PandacubeFr/ChairsReloaded
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Generate class using javassist

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This commit is contained in:
Shevchik 2014-01-08 08:08:36 +04:00
parent d8afbad96b
commit 459f8b0371
283 changed files with 36 additions and 35805 deletions
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1
build.xml
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@ -11,6 +11,7 @@
<fileset file="src/config.yml" /> <fileset file="src/config.yml" />
<fileset file="src/plugin.yml" /> <fileset file="src/plugin.yml" />
</copy> </copy>
<unzip src="libs/javassist.jar" dest="build/classes/" />
<jar destfile="target/Chairs.jar" basedir="build/classes" /> <jar destfile="target/Chairs.jar" basedir="build/classes" />
<delete dir="build" /> <delete dir="build" />
</target> </target>

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libs/javassist.jar Normal file
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6
src/com/cnaude/chairs/Chairs.java
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@ -52,9 +52,12 @@ public class Chairs extends JavaPlugin {
return vehiclearrowclass; return vehiclearrowclass;
} }
GenVehicleArrowClass genvehiclearrow = new GenVehicleArrowClass();
@Override @Override
public void onEnable() { public void onEnable() {
log = this.getLogger(); log = this.getLogger();
//load vehiclearrowclass
try { try {
World world = getServer().getWorlds().get(0); World world = getServer().getWorlds().get(0);
Arrow arrow = world.spawnArrow(new Location(world, 0, 0, 0), new Vector(0, 0, 0), 0, 0); Arrow arrow = world.spawnArrow(new Location(world, 0, 0, 0), new Vector(0, 0, 0), 0, 0);
@ -64,7 +67,7 @@ public class Chairs extends JavaPlugin {
getHandle.setAccessible(true); getHandle.setAccessible(true);
Class<?> entityarrow = getHandle.invoke(arrow).getClass(); Class<?> entityarrow = getHandle.invoke(arrow).getClass();
Class<?> craftserver = getServer().getClass(); Class<?> craftserver = getServer().getClass();
vehiclearrowclass = new GenVehicleArrowClass(this).genAndLoadClass(arrowclass, entityarrow, craftserver); vehiclearrowclass = genvehiclearrow.genAndLoadClass(arrowclass, entityarrow, craftserver);
arrow.remove(); arrow.remove();
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
@ -105,6 +108,7 @@ public class Chairs extends JavaPlugin {
chairEffects.cancelPickup(); chairEffects.cancelPickup();
chairEffects = null; chairEffects = null;
log = null; log = null;
genvehiclearrow = null;
vehiclearrowclass = null; vehiclearrowclass = null;
psitdata = null; psitdata = null;
} }

106
src/com/cnaude/chairs/GenVehicleArrowClass.java
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@ -1,94 +1,40 @@
package com.cnaude.chairs; package com.cnaude.chairs;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import org.bukkit.Bukkit;
import java.net.URL; import org.bukkit.entity.Vehicle;
import java.net.URLClassLoader;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.apache.bcel.Constants; import javassist.CannotCompileException;
import org.apache.bcel.generic.ALOAD; import javassist.ClassClassPath;
import org.apache.bcel.generic.ClassGen; import javassist.ClassPool;
import org.apache.bcel.generic.ConstantPoolGen; import javassist.CtClass;
import org.apache.bcel.generic.InstructionConstants; import javassist.CtNewConstructor;
import org.apache.bcel.generic.InstructionFactory; import javassist.NotFoundException;
import org.apache.bcel.generic.InstructionList;
import org.apache.bcel.generic.InvokeInstruction;
import org.apache.bcel.generic.MethodGen;
import org.apache.bcel.generic.Type;
public class GenVehicleArrowClass { public class GenVehicleArrowClass {
private File datafolder; public Class<?> genAndLoadClass(String arrowclass, Class<?> entityarrow, Class<?> craftserver) throws IOException, ClassNotFoundException, NotFoundException, CannotCompileException
public GenVehicleArrowClass(Chairs plugin)
{ {
this.datafolder = plugin.getDataFolder(); ClassPool pool = ClassPool.getDefault();
pool.insertClassPath
(
new ClassClassPath(Bukkit.class)
);
CtClass cc = pool.makeClass("com.cnaude.chairs.VehicleArrow");
cc.setSuperclass(pool.getCtClass(arrowclass));
cc.setInterfaces
(
new CtClass[]
{
pool.get(Vehicle.class.getName())
} }
public Class<?> genAndLoadClass(String arrowclass, Class<?> entityarrow, Class<?> craftserver) throws IOException, ClassNotFoundException {
ClassGen cg = new ClassGen(
"VehicleArrow",
arrowclass,
"<generated>",
Constants.ACC_PUBLIC | Constants.ACC_SUPER,
new String[]{"org.bukkit.entity.Vehicle"}
); );
ConstantPoolGen cp = cg.getConstantPool(); String counstructorsource = "public VehicleArrow("+craftserver.getName()+" server, "+entityarrow.getName()+" entity)\n{\nsuper(server, entity);\n}";
InstructionList il = new InstructionList(); cc.addConstructor
MethodGen mg = new MethodGen( (
Constants.ACC_PUBLIC, CtNewConstructor.make(counstructorsource, cc)
Type.VOID,
new Type[] { Type.getType(craftserver), Type.getType(entityarrow) },
new String[] { "server", "entity" },
"<init>",
"VehicleArrow",
il,
cp
); );
InstructionFactory factory = new InstructionFactory(cg); return cc.toClass();
il.append(new ALOAD(0));
il.append(new ALOAD(1));
il.append(new ALOAD(2));
InvokeInstruction ii = factory.createInvoke(
arrowclass,
"<init>",
Type.VOID,
new Type[] {Type.getType(craftserver), Type.getType(entityarrow)},
Constants.INVOKESPECIAL
);
il.append(ii);
il.append(InstructionConstants.RETURN);
mg.setMaxStack();
cg.addMethod(mg.getMethod());
il.dispose();
cg.getJavaClass().dump(datafolder+File.separator+"VehicleArrow.class");
File arrowfile = new File(datafolder+File.separator+"VehicleArrow.class");
InputStream arrwoinputstrean = new FileInputStream(arrowfile);
File jarfile = new File(datafolder+File.separator+"VehicleArrow.jar");
jarfile.delete();
final ZipOutputStream zipout = new ZipOutputStream(new FileOutputStream(jarfile));
ZipEntry entry = new ZipEntry(arrowfile.getName());
zipout.putNextEntry(entry);
byte[] buffer = new byte[1024];
int bytesRead;
while ((bytesRead = arrwoinputstrean.read(buffer)) != -1) {
zipout.write(buffer, 0, bytesRead);
}
zipout.closeEntry();
arrwoinputstrean.close();
zipout.close();
URL url = jarfile.toURI().toURL();
URL[] urls = new URL[]{url};
URLClassLoader cl = new URLClassLoader(urls);
Class<?> vehiclearrowclass = cl.loadClass("VehicleArrow");
cl.close();
arrowfile.delete();
jarfile.delete();
return vehiclearrowclass;
} }

797
src/org/apache/bcel/Constants.java
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@ -1,797 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel;
/**
* Constants for the project, mostly defined in the JVM specification.
*
* @version $Id: Constants.java 410087 2006-05-29 12:12:19Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public interface Constants {
/**
* Major and minor version of the code.
*/
public final static short MAJOR_1_1 = 45;
public final static short MINOR_1_1 = 3;
public final static short MAJOR_1_2 = 46;
public final static short MINOR_1_2 = 0;
public final static short MAJOR_1_3 = 47;
public final static short MINOR_1_3 = 0;
public final static short MAJOR_1_4 = 48;
public final static short MINOR_1_4 = 0;
public final static short MAJOR_1_5 = 49;
public final static short MINOR_1_5 = 0;
public final static short MAJOR = MAJOR_1_1; // Defaults
public final static short MINOR = MINOR_1_1;
/**
* Maximum value for an unsigned short.
*/
public final static int MAX_SHORT = 65535; // 2^16 - 1
/**
* Maximum value for an unsigned byte.
*/
public final static int MAX_BYTE = 255; // 2^8 - 1
/**
* Access flags for classes, fields and methods.
*/
public final static short ACC_PUBLIC = 0x0001;
public final static short ACC_PRIVATE = 0x0002;
public final static short ACC_PROTECTED = 0x0004;
public final static short ACC_STATIC = 0x0008;
public final static short ACC_FINAL = 0x0010;
public final static short ACC_SYNCHRONIZED = 0x0020;
public final static short ACC_VOLATILE = 0x0040;
public final static short ACC_BRIDGE = 0x0040;
public final static short ACC_TRANSIENT = 0x0080;
public final static short ACC_VARARGS = 0x0080;
public final static short ACC_NATIVE = 0x0100;
public final static short ACC_INTERFACE = 0x0200;
public final static short ACC_ABSTRACT = 0x0400;
public final static short ACC_STRICT = 0x0800;
public final static short ACC_SYNTHETIC = 0x1000;
public final static short ACC_ANNOTATION = 0x2000;
public final static short ACC_ENUM = 0x4000;
// Applies to classes compiled by new compilers only
public final static short ACC_SUPER = 0x0020;
public final static short MAX_ACC_FLAG = ACC_ENUM;
public final static String[] ACCESS_NAMES = { "public", "private",
"protected", "static", "final", "synchronized", "volatile",
"transient", "native", "interface", "abstract", "strictfp",
"synthetic", "annotation", "enum" };
/**
* Tags in constant pool to denote type of constant.
*/
public final static byte CONSTANT_Utf8 = 1;
public final static byte CONSTANT_Integer = 3;
public final static byte CONSTANT_Float = 4;
public final static byte CONSTANT_Long = 5;
public final static byte CONSTANT_Double = 6;
public final static byte CONSTANT_Class = 7;
public final static byte CONSTANT_Fieldref = 9;
public final static byte CONSTANT_String = 8;
public final static byte CONSTANT_Methodref = 10;
public final static byte CONSTANT_InterfaceMethodref = 11;
public final static byte CONSTANT_NameAndType = 12;
public final static String[] CONSTANT_NAMES = { "", "CONSTANT_Utf8", "",
"CONSTANT_Integer", "CONSTANT_Float", "CONSTANT_Long",
"CONSTANT_Double", "CONSTANT_Class", "CONSTANT_String",
"CONSTANT_Fieldref", "CONSTANT_Methodref",
"CONSTANT_InterfaceMethodref", "CONSTANT_NameAndType" };
/**
* The name of the static initializer, also called &quot;class
* initialization method&quot; or &quot;interface initialization
* method&quot;. This is &quot;&lt;clinit&gt;&quot;.
*/
public final static String STATIC_INITIALIZER_NAME = "<clinit>";
/**
* The name of every constructor method in a class, also called
* &quot;instance initialization method&quot;. This is
* &quot;&lt;init&gt;&quot;.
*/
public final static String CONSTRUCTOR_NAME = "<init>";
/** The names of the interfaces implemented by arrays */
public final static String[] INTERFACES_IMPLEMENTED_BY_ARRAYS = {
"java.lang.Cloneable", "java.io.Serializable" };
/**
* Limitations of the Java Virtual Machine. See The Java Virtual Machine
* Specification, Second Edition, page 152, chapter 4.10.
*/
public static final int MAX_CP_ENTRIES = 65535;
public static final int MAX_CODE_SIZE = 65536; // bytes
/**
* Java VM opcodes.
*/
public static final short NOP = 0;
public static final short ACONST_NULL = 1;
public static final short ICONST_M1 = 2;
public static final short ICONST_0 = 3;
public static final short ICONST_1 = 4;
public static final short ICONST_2 = 5;
public static final short ICONST_3 = 6;
public static final short ICONST_4 = 7;
public static final short ICONST_5 = 8;
public static final short LCONST_0 = 9;
public static final short LCONST_1 = 10;
public static final short FCONST_0 = 11;
public static final short FCONST_1 = 12;
public static final short FCONST_2 = 13;
public static final short DCONST_0 = 14;
public static final short DCONST_1 = 15;
public static final short BIPUSH = 16;
public static final short SIPUSH = 17;
public static final short LDC = 18;
public static final short LDC_W = 19;
public static final short LDC2_W = 20;
public static final short ILOAD = 21;
public static final short LLOAD = 22;
public static final short FLOAD = 23;
public static final short DLOAD = 24;
public static final short ALOAD = 25;
public static final short ILOAD_0 = 26;
public static final short ILOAD_1 = 27;
public static final short ILOAD_2 = 28;
public static final short ILOAD_3 = 29;
public static final short LLOAD_0 = 30;
public static final short LLOAD_1 = 31;
public static final short LLOAD_2 = 32;
public static final short LLOAD_3 = 33;
public static final short FLOAD_0 = 34;
public static final short FLOAD_1 = 35;
public static final short FLOAD_2 = 36;
public static final short FLOAD_3 = 37;
public static final short DLOAD_0 = 38;
public static final short DLOAD_1 = 39;
public static final short DLOAD_2 = 40;
public static final short DLOAD_3 = 41;
public static final short ALOAD_0 = 42;
public static final short ALOAD_1 = 43;
public static final short ALOAD_2 = 44;
public static final short ALOAD_3 = 45;
public static final short IALOAD = 46;
public static final short LALOAD = 47;
public static final short FALOAD = 48;
public static final short DALOAD = 49;
public static final short AALOAD = 50;
public static final short BALOAD = 51;
public static final short CALOAD = 52;
public static final short SALOAD = 53;
public static final short ISTORE = 54;
public static final short LSTORE = 55;
public static final short FSTORE = 56;
public static final short DSTORE = 57;
public static final short ASTORE = 58;
public static final short ISTORE_0 = 59;
public static final short ISTORE_1 = 60;
public static final short ISTORE_2 = 61;
public static final short ISTORE_3 = 62;
public static final short LSTORE_0 = 63;
public static final short LSTORE_1 = 64;
public static final short LSTORE_2 = 65;
public static final short LSTORE_3 = 66;
public static final short FSTORE_0 = 67;
public static final short FSTORE_1 = 68;
public static final short FSTORE_2 = 69;
public static final short FSTORE_3 = 70;
public static final short DSTORE_0 = 71;
public static final short DSTORE_1 = 72;
public static final short DSTORE_2 = 73;
public static final short DSTORE_3 = 74;
public static final short ASTORE_0 = 75;
public static final short ASTORE_1 = 76;
public static final short ASTORE_2 = 77;
public static final short ASTORE_3 = 78;
public static final short IASTORE = 79;
public static final short LASTORE = 80;
public static final short FASTORE = 81;
public static final short DASTORE = 82;
public static final short AASTORE = 83;
public static final short BASTORE = 84;
public static final short CASTORE = 85;
public static final short SASTORE = 86;
public static final short POP = 87;
public static final short POP2 = 88;
public static final short DUP = 89;
public static final short DUP_X1 = 90;
public static final short DUP_X2 = 91;
public static final short DUP2 = 92;
public static final short DUP2_X1 = 93;
public static final short DUP2_X2 = 94;
public static final short SWAP = 95;
public static final short IADD = 96;
public static final short LADD = 97;
public static final short FADD = 98;
public static final short DADD = 99;
public static final short ISUB = 100;
public static final short LSUB = 101;
public static final short FSUB = 102;
public static final short DSUB = 103;
public static final short IMUL = 104;
public static final short LMUL = 105;
public static final short FMUL = 106;
public static final short DMUL = 107;
public static final short IDIV = 108;
public static final short LDIV = 109;
public static final short FDIV = 110;
public static final short DDIV = 111;
public static final short IREM = 112;
public static final short LREM = 113;
public static final short FREM = 114;
public static final short DREM = 115;
public static final short INEG = 116;
public static final short LNEG = 117;
public static final short FNEG = 118;
public static final short DNEG = 119;
public static final short ISHL = 120;
public static final short LSHL = 121;
public static final short ISHR = 122;
public static final short LSHR = 123;
public static final short IUSHR = 124;
public static final short LUSHR = 125;
public static final short IAND = 126;
public static final short LAND = 127;
public static final short IOR = 128;
public static final short LOR = 129;
public static final short IXOR = 130;
public static final short LXOR = 131;
public static final short IINC = 132;
public static final short I2L = 133;
public static final short I2F = 134;
public static final short I2D = 135;
public static final short L2I = 136;
public static final short L2F = 137;
public static final short L2D = 138;
public static final short F2I = 139;
public static final short F2L = 140;
public static final short F2D = 141;
public static final short D2I = 142;
public static final short D2L = 143;
public static final short D2F = 144;
public static final short I2B = 145;
public static final short INT2BYTE = 145; // Old notion
public static final short I2C = 146;
public static final short INT2CHAR = 146; // Old notion
public static final short I2S = 147;
public static final short INT2SHORT = 147; // Old notion
public static final short LCMP = 148;
public static final short FCMPL = 149;
public static final short FCMPG = 150;
public static final short DCMPL = 151;
public static final short DCMPG = 152;
public static final short IFEQ = 153;
public static final short IFNE = 154;
public static final short IFLT = 155;
public static final short IFGE = 156;
public static final short IFGT = 157;
public static final short IFLE = 158;
public static final short IF_ICMPEQ = 159;
public static final short IF_ICMPNE = 160;
public static final short IF_ICMPLT = 161;
public static final short IF_ICMPGE = 162;
public static final short IF_ICMPGT = 163;
public static final short IF_ICMPLE = 164;
public static final short IF_ACMPEQ = 165;
public static final short IF_ACMPNE = 166;
public static final short GOTO = 167;
public static final short JSR = 168;
public static final short RET = 169;
public static final short TABLESWITCH = 170;
public static final short LOOKUPSWITCH = 171;
public static final short IRETURN = 172;
public static final short LRETURN = 173;
public static final short FRETURN = 174;
public static final short DRETURN = 175;
public static final short ARETURN = 176;
public static final short RETURN = 177;
public static final short GETSTATIC = 178;
public static final short PUTSTATIC = 179;
public static final short GETFIELD = 180;
public static final short PUTFIELD = 181;
public static final short INVOKEVIRTUAL = 182;
public static final short INVOKESPECIAL = 183;
public static final short INVOKENONVIRTUAL = 183; // Old name in JDK 1.0
public static final short INVOKESTATIC = 184;
public static final short INVOKEINTERFACE = 185;
public static final short NEW = 187;
public static final short NEWARRAY = 188;
public static final short ANEWARRAY = 189;
public static final short ARRAYLENGTH = 190;
public static final short ATHROW = 191;
public static final short CHECKCAST = 192;
public static final short INSTANCEOF = 193;
public static final short MONITORENTER = 194;
public static final short MONITOREXIT = 195;
public static final short WIDE = 196;
public static final short MULTIANEWARRAY = 197;
public static final short IFNULL = 198;
public static final short IFNONNULL = 199;
public static final short GOTO_W = 200;
public static final short JSR_W = 201;
/**
* Non-legal opcodes, may be used by JVM internally.
*/
public static final short BREAKPOINT = 202;
public static final short LDC_QUICK = 203;
public static final short LDC_W_QUICK = 204;
public static final short LDC2_W_QUICK = 205;
public static final short GETFIELD_QUICK = 206;
public static final short PUTFIELD_QUICK = 207;
public static final short GETFIELD2_QUICK = 208;
public static final short PUTFIELD2_QUICK = 209;
public static final short GETSTATIC_QUICK = 210;
public static final short PUTSTATIC_QUICK = 211;
public static final short GETSTATIC2_QUICK = 212;
public static final short PUTSTATIC2_QUICK = 213;
public static final short INVOKEVIRTUAL_QUICK = 214;
public static final short INVOKENONVIRTUAL_QUICK = 215;
public static final short INVOKESUPER_QUICK = 216;
public static final short INVOKESTATIC_QUICK = 217;
public static final short INVOKEINTERFACE_QUICK = 218;
public static final short INVOKEVIRTUALOBJECT_QUICK = 219;
public static final short NEW_QUICK = 221;
public static final short ANEWARRAY_QUICK = 222;
public static final short MULTIANEWARRAY_QUICK = 223;
public static final short CHECKCAST_QUICK = 224;
public static final short INSTANCEOF_QUICK = 225;
public static final short INVOKEVIRTUAL_QUICK_W = 226;
public static final short GETFIELD_QUICK_W = 227;
public static final short PUTFIELD_QUICK_W = 228;
public static final short IMPDEP1 = 254;
public static final short IMPDEP2 = 255;
/**
* For internal purposes only.
*/
public static final short PUSH = 4711;
public static final short SWITCH = 4712;
/**
* Illegal codes
*/
public static final short UNDEFINED = -1;
public static final short UNPREDICTABLE = -2;
public static final short RESERVED = -3;
public static final String ILLEGAL_OPCODE = "<illegal opcode>";
public static final String ILLEGAL_TYPE = "<illegal type>";
public static final byte T_BOOLEAN = 4;
public static final byte T_CHAR = 5;
public static final byte T_FLOAT = 6;
public static final byte T_DOUBLE = 7;
public static final byte T_BYTE = 8;
public static final byte T_SHORT = 9;
public static final byte T_INT = 10;
public static final byte T_LONG = 11;
public static final byte T_VOID = 12; // Non-standard
public static final byte T_ARRAY = 13;
public static final byte T_OBJECT = 14;
public static final byte T_REFERENCE = 14; // Deprecated
public static final byte T_UNKNOWN = 15;
public static final byte T_ADDRESS = 16;
/**
* The primitive type names corresponding to the T_XX constants, e.g.,
* TYPE_NAMES[T_INT] = "int"
*/
public static final String[] TYPE_NAMES = { ILLEGAL_TYPE, ILLEGAL_TYPE,
ILLEGAL_TYPE, ILLEGAL_TYPE, "boolean", "char", "float", "double",
"byte", "short", "int", "long", "void", "array", "object",
"unknown" // Non-standard
};
/**
* The primitive class names corresponding to the T_XX constants, e.g.,
* CLASS_TYPE_NAMES[T_INT] = "java.lang.Integer"
*/
public static final String[] CLASS_TYPE_NAMES = { ILLEGAL_TYPE,
ILLEGAL_TYPE, ILLEGAL_TYPE, ILLEGAL_TYPE, "java.lang.Boolean",
"java.lang.Character", "java.lang.Float", "java.lang.Double",
"java.lang.Byte", "java.lang.Short", "java.lang.Integer",
"java.lang.Long", "java.lang.Void", ILLEGAL_TYPE, ILLEGAL_TYPE,
ILLEGAL_TYPE };
/**
* The signature characters corresponding to primitive types, e.g.,
* SHORT_TYPE_NAMES[T_INT] = "I"
*/
public static final String[] SHORT_TYPE_NAMES = { ILLEGAL_TYPE,
ILLEGAL_TYPE, ILLEGAL_TYPE, ILLEGAL_TYPE, "Z", "C", "F", "D", "B",
"S", "I", "J", "V", ILLEGAL_TYPE, ILLEGAL_TYPE, ILLEGAL_TYPE };
/**
* Number of byte code operands, i.e., number of bytes after the tag byte
* itself.
*/
public static final short[] NO_OF_OPERANDS = { 0/* nop */,
0/* aconst_null */, 0/* iconst_m1 */, 0/* iconst_0 */, 0/* iconst_1 */,
0/* iconst_2 */, 0/* iconst_3 */, 0/* iconst_4 */, 0/* iconst_5 */,
0/* lconst_0 */, 0/* lconst_1 */, 0/* fconst_0 */, 0/* fconst_1 */,
0/* fconst_2 */, 0/* dconst_0 */, 0/* dconst_1 */, 1/* bipush */,
2/* sipush */, 1/* ldc */, 2/* ldc_w */, 2/* ldc2_w */,
1/* iload */, 1/* lload */, 1/* fload */, 1/* dload */, 1/* aload */,
0/* iload_0 */, 0/* iload_1 */, 0/* iload_2 */, 0/* iload_3 */,
0/* lload_0 */, 0/* lload_1 */, 0/* lload_2 */, 0/* lload_3 */,
0/* fload_0 */, 0/* fload_1 */, 0/* fload_2 */, 0/* fload_3 */,
0/* dload_0 */, 0/* dload_1 */, 0/* dload_2 */, 0/* dload_3 */,
0/* aload_0 */, 0/* aload_1 */, 0/* aload_2 */, 0/* aload_3 */,
0/* iaload */, 0/* laload */, 0/* faload */, 0/* daload */,
0/* aaload */, 0/* baload */, 0/* caload */, 0/* saload */,
1/* istore */, 1/* lstore */, 1/* fstore */, 1/* dstore */,
1/* astore */, 0/* istore_0 */, 0/* istore_1 */, 0/* istore_2 */,
0/* istore_3 */, 0/* lstore_0 */, 0/* lstore_1 */, 0/* lstore_2 */,
0/* lstore_3 */, 0/* fstore_0 */, 0/* fstore_1 */, 0/* fstore_2 */,
0/* fstore_3 */, 0/* dstore_0 */, 0/* dstore_1 */, 0/* dstore_2 */,
0/* dstore_3 */, 0/* astore_0 */, 0/* astore_1 */, 0/* astore_2 */,
0/* astore_3 */, 0/* iastore */, 0/* lastore */, 0/* fastore */,
0/* dastore */, 0/* aastore */, 0/* bastore */, 0/* castore */,
0/* sastore */, 0/* pop */, 0/* pop2 */, 0/* dup */, 0/* dup_x1 */,
0/* dup_x2 */, 0/* dup2 */, 0/* dup2_x1 */, 0/* dup2_x2 */,
0/* swap */, 0/* iadd */, 0/* ladd */, 0/* fadd */, 0/* dadd */,
0/* isub */, 0/* lsub */, 0/* fsub */, 0/* dsub */, 0/* imul */,
0/* lmul */, 0/* fmul */, 0/* dmul */, 0/* idiv */, 0/* ldiv */,
0/* fdiv */, 0/* ddiv */, 0/* irem */, 0/* lrem */, 0/* frem */,
0/* drem */, 0/* ineg */, 0/* lneg */, 0/* fneg */, 0/* dneg */,
0/* ishl */, 0/* lshl */, 0/* ishr */, 0/* lshr */, 0/* iushr */,
0/* lushr */, 0/* iand */, 0/* land */, 0/* ior */, 0/* lor */,
0/* ixor */, 0/* lxor */, 2/* iinc */, 0/* i2l */, 0/* i2f */,
0/* i2d */, 0/* l2i */, 0/* l2f */, 0/* l2d */, 0/* f2i */,
0/* f2l */, 0/* f2d */, 0/* d2i */, 0/* d2l */, 0/* d2f */,
0/* i2b */, 0/* i2c */, 0/* i2s */, 0/* lcmp */, 0/* fcmpl */,
0/* fcmpg */, 0/* dcmpl */, 0/* dcmpg */, 2/* ifeq */, 2/* ifne */,
2/* iflt */, 2/* ifge */, 2/* ifgt */, 2/* ifle */, 2/* if_icmpeq */,
2/* if_icmpne */, 2/* if_icmplt */, 2/* if_icmpge */, 2/* if_icmpgt */,
2/* if_icmple */, 2/* if_acmpeq */, 2/* if_acmpne */, 2/* goto */,
2/* jsr */, 1/* ret */, UNPREDICTABLE/* tableswitch */,
UNPREDICTABLE/* lookupswitch */, 0/* ireturn */, 0/* lreturn */,
0/* freturn */, 0/* dreturn */, 0/* areturn */, 0/* return */,
2/* getstatic */, 2/* putstatic */, 2/* getfield */, 2/* putfield */,
2/* invokevirtual */, 2/* invokespecial */, 2/* invokestatic */,
4/* invokeinterface */, UNDEFINED, 2/* new */, 1/* newarray */,
2/* anewarray */, 0/* arraylength */, 0/* athrow */,
2/* checkcast */, 2/* instanceof */, 0/* monitorenter */,
0/* monitorexit */, UNPREDICTABLE/* wide */, 3/* multianewarray */,
2/* ifnull */, 2/* ifnonnull */, 4/* goto_w */, 4/* jsr_w */,
0/* breakpoint */, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
RESERVED/* impdep1 */, RESERVED /* impdep2 */
};
/**
* How the byte code operands are to be interpreted.
*/
public static final short[][] TYPE_OF_OPERANDS = { {}/* nop */,
{}/* aconst_null */, {}/* iconst_m1 */, {}/* iconst_0 */,
{}/* iconst_1 */, {}/* iconst_2 */, {}/* iconst_3 */, {}/* iconst_4 */,
{}/* iconst_5 */, {}/* lconst_0 */, {}/* lconst_1 */, {}/* fconst_0 */,
{}/* fconst_1 */, {}/* fconst_2 */, {}/* dconst_0 */, {}/* dconst_1 */,
{ T_BYTE }/* bipush */, { T_SHORT }/* sipush */, { T_BYTE }/* ldc */,
{ T_SHORT }/* ldc_w */, { T_SHORT }/* ldc2_w */,
{ T_BYTE }/* iload */, { T_BYTE }/* lload */,
{ T_BYTE }/* fload */, { T_BYTE }/* dload */,
{ T_BYTE }/* aload */, {}/* iload_0 */, {}/* iload_1 */,
{}/* iload_2 */, {}/* iload_3 */, {}/* lload_0 */, {}/* lload_1 */,
{}/* lload_2 */, {}/* lload_3 */, {}/* fload_0 */, {}/* fload_1 */,
{}/* fload_2 */, {}/* fload_3 */, {}/* dload_0 */, {}/* dload_1 */,
{}/* dload_2 */, {}/* dload_3 */, {}/* aload_0 */, {}/* aload_1 */,
{}/* aload_2 */, {}/* aload_3 */, {}/* iaload */, {}/* laload */,
{}/* faload */, {}/* daload */, {}/* aaload */, {}/* baload */,
{}/* caload */, {}/* saload */, { T_BYTE }/* istore */,
{ T_BYTE }/* lstore */, { T_BYTE }/* fstore */,
{ T_BYTE }/* dstore */, { T_BYTE }/* astore */, {}/* istore_0 */,
{}/* istore_1 */, {}/* istore_2 */, {}/* istore_3 */, {}/* lstore_0 */,
{}/* lstore_1 */, {}/* lstore_2 */, {}/* lstore_3 */, {}/* fstore_0 */,
{}/* fstore_1 */, {}/* fstore_2 */, {}/* fstore_3 */, {}/* dstore_0 */,
{}/* dstore_1 */, {}/* dstore_2 */, {}/* dstore_3 */, {}/* astore_0 */,
{}/* astore_1 */, {}/* astore_2 */, {}/* astore_3 */, {}/* iastore */,
{}/* lastore */, {}/* fastore */, {}/* dastore */, {}/* aastore */,
{}/* bastore */, {}/* castore */, {}/* sastore */, {}/* pop */,
{}/* pop2 */, {}/* dup */, {}/* dup_x1 */, {}/* dup_x2 */, {}/* dup2 */,
{}/* dup2_x1 */, {}/* dup2_x2 */, {}/* swap */, {}/* iadd */, {}/* ladd */,
{}/* fadd */, {}/* dadd */, {}/* isub */, {}/* lsub */, {}/* fsub */,
{}/* dsub */, {}/* imul */, {}/* lmul */, {}/* fmul */, {}/* dmul */,
{}/* idiv */, {}/* ldiv */, {}/* fdiv */, {}/* ddiv */, {}/* irem */,
{}/* lrem */, {}/* frem */, {}/* drem */, {}/* ineg */, {}/* lneg */,
{}/* fneg */, {}/* dneg */, {}/* ishl */, {}/* lshl */, {}/* ishr */,
{}/* lshr */, {}/* iushr */, {}/* lushr */, {}/* iand */, {}/* land */,
{}/* ior */, {}/* lor */, {}/* ixor */, {}/* lxor */,
{ T_BYTE, T_BYTE }/* iinc */, {}/* i2l */, {}/* i2f */, {}/* i2d */,
{}/* l2i */, {}/* l2f */, {}/* l2d */, {}/* f2i */, {}/* f2l */,
{}/* f2d */, {}/* d2i */, {}/* d2l */, {}/* d2f */, {}/* i2b */,
{}/* i2c */, {}/* i2s */, {}/* lcmp */, {}/* fcmpl */, {}/* fcmpg */,
{}/* dcmpl */, {}/* dcmpg */, { T_SHORT }/* ifeq */,
{ T_SHORT }/* ifne */, { T_SHORT }/* iflt */,
{ T_SHORT }/* ifge */, { T_SHORT }/* ifgt */,
{ T_SHORT }/* ifle */, { T_SHORT }/* if_icmpeq */,
{ T_SHORT }/* if_icmpne */, { T_SHORT }/* if_icmplt */,
{ T_SHORT }/* if_icmpge */, { T_SHORT }/* if_icmpgt */,
{ T_SHORT }/* if_icmple */, { T_SHORT }/* if_acmpeq */,
{ T_SHORT }/* if_acmpne */, { T_SHORT }/* goto */,
{ T_SHORT }/* jsr */, { T_BYTE }/* ret */, {}/* tableswitch */,
{}/* lookupswitch */, {}/* ireturn */, {}/* lreturn */, {}/* freturn */,
{}/* dreturn */, {}/* areturn */, {}/* return */,
{ T_SHORT }/* getstatic */, { T_SHORT }/* putstatic */,
{ T_SHORT }/* getfield */, { T_SHORT }/* putfield */,
{ T_SHORT }/* invokevirtual */, { T_SHORT }/* invokespecial */,
{ T_SHORT }/* invokestatic */,
{ T_SHORT, T_BYTE, T_BYTE }/* invokeinterface */, {},
{ T_SHORT }/* new */, { T_BYTE }/* newarray */,
{ T_SHORT }/* anewarray */, {}/* arraylength */, {}/* athrow */,
{ T_SHORT }/* checkcast */, { T_SHORT }/* instanceof */,
{}/* monitorenter */, {}/* monitorexit */, { T_BYTE }/* wide */,
{ T_SHORT, T_BYTE }/* multianewarray */, { T_SHORT }/* ifnull */,
{ T_SHORT }/* ifnonnull */, { T_INT }/* goto_w */,
{ T_INT }/* jsr_w */, {}/* breakpoint */, {}, {}, {}, {}, {}, {},
{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {},
{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {},
{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}/* impdep1 */, {} /* impdep2 */
};
/**
* Names of opcodes.
*/
public static final String[] OPCODE_NAMES = { "nop", "aconst_null",
"iconst_m1", "iconst_0", "iconst_1", "iconst_2", "iconst_3",
"iconst_4", "iconst_5", "lconst_0", "lconst_1", "fconst_0",
"fconst_1", "fconst_2", "dconst_0", "dconst_1", "bipush", "sipush",
"ldc", "ldc_w", "ldc2_w", "iload", "lload", "fload", "dload",
"aload", "iload_0", "iload_1", "iload_2", "iload_3", "lload_0",
"lload_1", "lload_2", "lload_3", "fload_0", "fload_1", "fload_2",
"fload_3", "dload_0", "dload_1", "dload_2", "dload_3", "aload_0",
"aload_1", "aload_2", "aload_3", "iaload", "laload", "faload",
"daload", "aaload", "baload", "caload", "saload", "istore",
"lstore", "fstore", "dstore", "astore", "istore_0", "istore_1",
"istore_2", "istore_3", "lstore_0", "lstore_1", "lstore_2",
"lstore_3", "fstore_0", "fstore_1", "fstore_2", "fstore_3",
"dstore_0", "dstore_1", "dstore_2", "dstore_3", "astore_0",
"astore_1", "astore_2", "astore_3", "iastore", "lastore",
"fastore", "dastore", "aastore", "bastore", "castore", "sastore",
"pop", "pop2", "dup", "dup_x1", "dup_x2", "dup2", "dup2_x1",
"dup2_x2", "swap", "iadd", "ladd", "fadd", "dadd", "isub", "lsub",
"fsub", "dsub", "imul", "lmul", "fmul", "dmul", "idiv", "ldiv",
"fdiv", "ddiv", "irem", "lrem", "frem", "drem", "ineg", "lneg",
"fneg", "dneg", "ishl", "lshl", "ishr", "lshr", "iushr", "lushr",
"iand", "land", "ior", "lor", "ixor", "lxor", "iinc", "i2l", "i2f",
"i2d", "l2i", "l2f", "l2d", "f2i", "f2l", "f2d", "d2i", "d2l",
"d2f", "i2b", "i2c", "i2s", "lcmp", "fcmpl", "fcmpg", "dcmpl",
"dcmpg", "ifeq", "ifne", "iflt", "ifge", "ifgt", "ifle",
"if_icmpeq", "if_icmpne", "if_icmplt", "if_icmpge", "if_icmpgt",
"if_icmple", "if_acmpeq", "if_acmpne", "goto", "jsr", "ret",
"tableswitch", "lookupswitch", "ireturn", "lreturn", "freturn",
"dreturn", "areturn", "return", "getstatic", "putstatic",
"getfield", "putfield", "invokevirtual", "invokespecial",
"invokestatic", "invokeinterface", ILLEGAL_OPCODE, "new",
"newarray", "anewarray", "arraylength", "athrow", "checkcast",
"instanceof", "monitorenter", "monitorexit", "wide",
"multianewarray", "ifnull", "ifnonnull", "goto_w", "jsr_w",
"breakpoint", ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE, ILLEGAL_OPCODE,
"impdep1", "impdep2" };
/**
* Number of words consumed on operand stack by instructions.
*/
public static final int[] CONSUME_STACK = { 0/* nop */, 0/* aconst_null */,
0/* iconst_m1 */, 0/* iconst_0 */, 0/* iconst_1 */, 0/* iconst_2 */,
0/* iconst_3 */, 0/* iconst_4 */, 0/* iconst_5 */, 0/* lconst_0 */,
0/* lconst_1 */, 0/* fconst_0 */, 0/* fconst_1 */, 0/* fconst_2 */,
0/* dconst_0 */, 0/* dconst_1 */, 0/* bipush */, 0/* sipush */,
0/* ldc */, 0/* ldc_w */, 0/* ldc2_w */, 0/* iload */, 0/* lload */,
0/* fload */, 0/* dload */, 0/* aload */, 0/* iload_0 */, 0/* iload_1 */,
0/* iload_2 */, 0/* iload_3 */, 0/* lload_0 */, 0/* lload_1 */,
0/* lload_2 */, 0/* lload_3 */, 0/* fload_0 */, 0/* fload_1 */,
0/* fload_2 */, 0/* fload_3 */, 0/* dload_0 */, 0/* dload_1 */,
0/* dload_2 */, 0/* dload_3 */, 0/* aload_0 */, 0/* aload_1 */,
0/* aload_2 */, 0/* aload_3 */, 2/* iaload */, 2/* laload */,
2/* faload */, 2/* daload */, 2/* aaload */, 2/* baload */,
2/* caload */, 2/* saload */, 1/* istore */, 2/* lstore */,
1/* fstore */, 2/* dstore */, 1/* astore */, 1/* istore_0 */,
1/* istore_1 */, 1/* istore_2 */, 1/* istore_3 */, 2/* lstore_0 */,
2/* lstore_1 */, 2/* lstore_2 */, 2/* lstore_3 */, 1/* fstore_0 */,
1/* fstore_1 */, 1/* fstore_2 */, 1/* fstore_3 */, 2/* dstore_0 */,
2/* dstore_1 */, 2/* dstore_2 */, 2/* dstore_3 */, 1/* astore_0 */,
1/* astore_1 */, 1/* astore_2 */, 1/* astore_3 */, 3/* iastore */,
4/* lastore */, 3/* fastore */, 4/* dastore */, 3/* aastore */,
3/* bastore */, 3/* castore */, 3/* sastore */, 1/* pop */,
2/* pop2 */, 1/* dup */, 2/* dup_x1 */, 3/* dup_x2 */, 2/* dup2 */,
3/* dup2_x1 */, 4/* dup2_x2 */, 2/* swap */, 2/* iadd */, 4/* ladd */,
2/* fadd */, 4/* dadd */, 2/* isub */, 4/* lsub */, 2/* fsub */,
4/* dsub */, 2/* imul */, 4/* lmul */, 2/* fmul */, 4/* dmul */,
2/* idiv */, 4/* ldiv */, 2/* fdiv */, 4/* ddiv */, 2/* irem */,
4/* lrem */, 2/* frem */, 4/* drem */, 1/* ineg */, 2/* lneg */,
1/* fneg */, 2/* dneg */, 2/* ishl */, 3/* lshl */, 2/* ishr */,
3/* lshr */, 2/* iushr */, 3/* lushr */, 2/* iand */, 4/* land */,
2/* ior */, 4/* lor */, 2/* ixor */, 4/* lxor */, 0/* iinc */,
1/* i2l */, 1/* i2f */, 1/* i2d */, 2/* l2i */, 2/* l2f */,
2/* l2d */, 1/* f2i */, 1/* f2l */, 1/* f2d */, 2/* d2i */,
2/* d2l */, 2/* d2f */, 1/* i2b */, 1/* i2c */, 1/* i2s */,
4/* lcmp */, 2/* fcmpl */, 2/* fcmpg */, 4/* dcmpl */, 4/* dcmpg */,
1/* ifeq */, 1/* ifne */, 1/* iflt */, 1/* ifge */, 1/* ifgt */,
1/* ifle */, 2/* if_icmpeq */, 2/* if_icmpne */, 2/* if_icmplt */,
2 /* if_icmpge */, 2/* if_icmpgt */, 2/* if_icmple */, 2/* if_acmpeq */,
2/* if_acmpne */, 0/* goto */, 0/* jsr */, 0/* ret */,
1/* tableswitch */, 1/* lookupswitch */, 1/* ireturn */,
2/* lreturn */, 1/* freturn */, 2/* dreturn */, 1/* areturn */,
0/* return */, 0/* getstatic */, UNPREDICTABLE/* putstatic */,
1/* getfield */, UNPREDICTABLE/* putfield */,
UNPREDICTABLE/* invokevirtual */, UNPREDICTABLE/* invokespecial */,
UNPREDICTABLE/* invokestatic */, UNPREDICTABLE/* invokeinterface */,
UNDEFINED, 0/* new */, 1/* newarray */, 1/* anewarray */,
1/* arraylength */, 1/* athrow */, 1/* checkcast */,
1/* instanceof */, 1/* monitorenter */, 1/* monitorexit */,
0/* wide */, UNPREDICTABLE/* multianewarray */, 1/* ifnull */,
1/* ifnonnull */, 0/* goto_w */, 0/* jsr_w */, 0/* breakpoint */,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNPREDICTABLE/* impdep1 */,
UNPREDICTABLE /* impdep2 */
};
/**
* Number of words produced onto operand stack by instructions.
*/
public static final int[] PRODUCE_STACK = { 0/* nop */, 1/* aconst_null */,
1/* iconst_m1 */, 1/* iconst_0 */, 1/* iconst_1 */, 1/* iconst_2 */,
1/* iconst_3 */, 1/* iconst_4 */, 1/* iconst_5 */, 2/* lconst_0 */,
2/* lconst_1 */, 1/* fconst_0 */, 1/* fconst_1 */, 1/* fconst_2 */,
2/* dconst_0 */, 2/* dconst_1 */, 1/* bipush */, 1/* sipush */,
1/* ldc */, 1/* ldc_w */, 2/* ldc2_w */, 1/* iload */, 2/* lload */,
1/* fload */, 2/* dload */, 1/* aload */, 1/* iload_0 */, 1/* iload_1 */,
1/* iload_2 */, 1/* iload_3 */, 2/* lload_0 */, 2/* lload_1 */,
2/* lload_2 */, 2/* lload_3 */, 1/* fload_0 */, 1/* fload_1 */,
1/* fload_2 */, 1/* fload_3 */, 2/* dload_0 */, 2/* dload_1 */,
2/* dload_2 */, 2/* dload_3 */, 1/* aload_0 */, 1/* aload_1 */,
1/* aload_2 */, 1/* aload_3 */, 1/* iaload */, 2/* laload */,
1/* faload */, 2/* daload */, 1/* aaload */, 1/* baload */,
1/* caload */, 1/* saload */, 0/* istore */, 0/* lstore */,
0/* fstore */, 0/* dstore */, 0/* astore */, 0/* istore_0 */,
0/* istore_1 */, 0/* istore_2 */, 0/* istore_3 */, 0/* lstore_0 */,
0/* lstore_1 */, 0/* lstore_2 */, 0/* lstore_3 */, 0/* fstore_0 */,
0/* fstore_1 */, 0/* fstore_2 */, 0/* fstore_3 */, 0/* dstore_0 */,
0/* dstore_1 */, 0/* dstore_2 */, 0/* dstore_3 */, 0/* astore_0 */,
0/* astore_1 */, 0/* astore_2 */, 0/* astore_3 */, 0/* iastore */,
0/* lastore */, 0/* fastore */, 0/* dastore */, 0/* aastore */,
0/* bastore */, 0/* castore */, 0/* sastore */, 0/* pop */,
0/* pop2 */, 2/* dup */, 3/* dup_x1 */, 4/* dup_x2 */, 4/* dup2 */,
5/* dup2_x1 */, 6/* dup2_x2 */, 2/* swap */, 1/* iadd */, 2/* ladd */,
1/* fadd */, 2/* dadd */, 1/* isub */, 2/* lsub */, 1/* fsub */,
2/* dsub */, 1/* imul */, 2/* lmul */, 1/* fmul */, 2/* dmul */,
1/* idiv */, 2/* ldiv */, 1/* fdiv */, 2/* ddiv */, 1/* irem */,
2/* lrem */, 1/* frem */, 2/* drem */, 1/* ineg */, 2/* lneg */,
1/* fneg */, 2/* dneg */, 1/* ishl */, 2/* lshl */, 1/* ishr */,
2/* lshr */, 1/* iushr */, 2/* lushr */, 1/* iand */, 2/* land */,
1/* ior */, 2/* lor */, 1/* ixor */, 2/* lxor */, 0/* iinc */,
2/* i2l */, 1/* i2f */, 2/* i2d */, 1/* l2i */, 1/* l2f */,
2/* l2d */, 1/* f2i */, 2/* f2l */, 2/* f2d */, 1/* d2i */,
2/* d2l */, 1/* d2f */, 1/* i2b */, 1/* i2c */, 1/* i2s */,
1/* lcmp */, 1/* fcmpl */, 1/* fcmpg */, 1/* dcmpl */, 1/* dcmpg */,
0/* ifeq */, 0/* ifne */, 0/* iflt */, 0/* ifge */, 0/* ifgt */,
0/* ifle */, 0/* if_icmpeq */, 0/* if_icmpne */, 0/* if_icmplt */,
0/* if_icmpge */, 0/* if_icmpgt */, 0/* if_icmple */, 0/* if_acmpeq */,
0/* if_acmpne */, 0/* goto */, 1/* jsr */, 0/* ret */,
0/* tableswitch */, 0/* lookupswitch */, 0/* ireturn */,
0/* lreturn */, 0/* freturn */, 0/* dreturn */, 0/* areturn */,
0/* return */, UNPREDICTABLE/* getstatic */, 0/* putstatic */,
UNPREDICTABLE/* getfield */, 0/* putfield */,
UNPREDICTABLE/* invokevirtual */, UNPREDICTABLE/* invokespecial */,
UNPREDICTABLE/* invokestatic */, UNPREDICTABLE/* invokeinterface */,
UNDEFINED, 1/* new */, 1/* newarray */, 1/* anewarray */,
1/* arraylength */, 1/* athrow */, 1/* checkcast */,
1/* instanceof */, 0/* monitorenter */, 0/* monitorexit */,
0/* wide */, 1/* multianewarray */, 0/* ifnull */,
0/* ifnonnull */, 0/* goto_w */, 1/* jsr_w */, 0/* breakpoint */,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED, UNDEFINED,
UNDEFINED, UNDEFINED, UNDEFINED, UNPREDICTABLE/* impdep1 */,
UNPREDICTABLE /* impdep2 */
};
/**
* Attributes and their corresponding names.
*/
public static final byte ATTR_UNKNOWN = -1;
public static final byte ATTR_SOURCE_FILE = 0;
public static final byte ATTR_CONSTANT_VALUE = 1;
public static final byte ATTR_CODE = 2;
public static final byte ATTR_EXCEPTIONS = 3;
public static final byte ATTR_LINE_NUMBER_TABLE = 4;
public static final byte ATTR_LOCAL_VARIABLE_TABLE = 5;
public static final byte ATTR_INNER_CLASSES = 6;
public static final byte ATTR_SYNTHETIC = 7;
public static final byte ATTR_DEPRECATED = 8;
public static final byte ATTR_PMG = 9;
public static final byte ATTR_SIGNATURE = 10;
public static final byte ATTR_STACK_MAP = 11;
public static final byte ATTR_RUNTIMEVISIBLE_ANNOTATIONS = 12;
public static final byte ATTR_RUNTIMEINVISIBLE_ANNOTATIONS = 13;
public static final byte ATTR_RUNTIMEVISIBLE_PARAMETER_ANNOTATIONS = 14;
public static final byte ATTR_RUNTIMEINVISIBLE_PARAMETER_ANNOTATIONS = 15;
public static final byte ATTR_ANNOTATION_DEFAULT = 16;
public static final short KNOWN_ATTRIBUTES = 12;// should be 17
public static final String[] ATTRIBUTE_NAMES = { "SourceFile",
"ConstantValue", "Code", "Exceptions", "LineNumberTable",
"LocalVariableTable", "InnerClasses", "Synthetic", "Deprecated",
"PMGClass", "Signature", "StackMap", "RuntimeVisibleAnnotations",
"RuntimeInvisibleAnnotations",
"RuntimeVisibleParameterAnnotations",
"RuntimeInvisibleParameterAnnotations", "AnnotationDefault" };
/**
* Constants used in the StackMap attribute.
*/
public static final byte ITEM_Bogus = 0;
public static final byte ITEM_Integer = 1;
public static final byte ITEM_Float = 2;
public static final byte ITEM_Double = 3;
public static final byte ITEM_Long = 4;
public static final byte ITEM_Null = 5;
public static final byte ITEM_InitObject = 6;
public static final byte ITEM_Object = 7;
public static final byte ITEM_NewObject = 8;
public static final String[] ITEM_NAMES = { "Bogus", "Integer", "Float",
"Double", "Long", "Null", "InitObject", "Object", "NewObject" };
}

86
src/org/apache/bcel/ExceptionConstants.java
View File

@ -1,86 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel;
/**
* Exception constants.
*
* @version $Id: ExceptionConstants.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author E. Haase
*/
public interface ExceptionConstants {
/**
* The mother of all exceptions
*/
public static final Class<Throwable> THROWABLE = Throwable.class;
/**
* Super class of any run-time exception
*/
public static final Class<RuntimeException> RUNTIME_EXCEPTION = RuntimeException.class;
/**
* Super class of any linking exception (aka Linkage Error)
*/
public static final Class<LinkageError> LINKING_EXCEPTION = LinkageError.class;
/**
* Linking Exceptions
*/
public static final Class<ClassCircularityError> CLASS_CIRCULARITY_ERROR = ClassCircularityError.class;
public static final Class<ClassFormatError> CLASS_FORMAT_ERROR = ClassFormatError.class;
public static final Class<ExceptionInInitializerError> EXCEPTION_IN_INITIALIZER_ERROR = ExceptionInInitializerError.class;
public static final Class<IncompatibleClassChangeError> INCOMPATIBLE_CLASS_CHANGE_ERROR = IncompatibleClassChangeError.class;
public static final Class<AbstractMethodError> ABSTRACT_METHOD_ERROR = AbstractMethodError.class;
public static final Class<IllegalAccessError> ILLEGAL_ACCESS_ERROR = IllegalAccessError.class;
public static final Class<InstantiationError> INSTANTIATION_ERROR = InstantiationError.class;
public static final Class<NoSuchFieldError> NO_SUCH_FIELD_ERROR = NoSuchFieldError.class;
public static final Class<NoSuchMethodError> NO_SUCH_METHOD_ERROR = NoSuchMethodError.class;
public static final Class<NoClassDefFoundError> NO_CLASS_DEF_FOUND_ERROR = NoClassDefFoundError.class;
public static final Class<UnsatisfiedLinkError> UNSATISFIED_LINK_ERROR = UnsatisfiedLinkError.class;
public static final Class<VerifyError> VERIFY_ERROR = VerifyError.class;
/* UnsupportedClassVersionError is new in JDK 1.2 */
// public static final Class UnsupportedClassVersionError =
// UnsupportedClassVersionError.class;
/**
* Run-Time Exceptions
*/
public static final Class<NullPointerException> NULL_POINTER_EXCEPTION = NullPointerException.class;
public static final Class<ArrayIndexOutOfBoundsException> ARRAY_INDEX_OUT_OF_BOUNDS_EXCEPTION = ArrayIndexOutOfBoundsException.class;
public static final Class<ArithmeticException> ARITHMETIC_EXCEPTION = ArithmeticException.class;
public static final Class<NegativeArraySizeException> NEGATIVE_ARRAY_SIZE_EXCEPTION = NegativeArraySizeException.class;
public static final Class<ClassCastException> CLASS_CAST_EXCEPTION = ClassCastException.class;
public static final Class<IllegalMonitorStateException> ILLEGAL_MONITOR_STATE = IllegalMonitorStateException.class;
/**
* Pre-defined exception arrays according to chapters 5.1-5.4 of the Java
* Virtual Machine Specification
*/
public static final Class<?>[] EXCS_CLASS_AND_INTERFACE_RESOLUTION = {
NO_CLASS_DEF_FOUND_ERROR, CLASS_FORMAT_ERROR, VERIFY_ERROR,
ABSTRACT_METHOD_ERROR, EXCEPTION_IN_INITIALIZER_ERROR,
ILLEGAL_ACCESS_ERROR }; // Chapter 5.1
public static final Class<?>[] EXCS_FIELD_AND_METHOD_RESOLUTION = {
NO_SUCH_FIELD_ERROR, ILLEGAL_ACCESS_ERROR, NO_SUCH_METHOD_ERROR }; // Chapter
// 5.2
public static final Class<?>[] EXCS_INTERFACE_METHOD_RESOLUTION = new Class[0]; // Chapter
// 5.3
// (as
// below)
public static final Class<?>[] EXCS_STRING_RESOLUTION = new Class[0];
// Chapter 5.4 (no errors but the ones that _always_ could happen! How
// stupid.)
public static final Class<?>[] EXCS_ARRAY_EXCEPTION = {
NULL_POINTER_EXCEPTION, ARRAY_INDEX_OUT_OF_BOUNDS_EXCEPTION };
}

263
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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel;
import java.io.IOException;
import org.apache.bcel.classfile.JavaClass;
import org.apache.bcel.util.ClassPath;
import org.apache.bcel.util.SyntheticRepository;
/**
* The repository maintains informations about class interdependencies, e.g.,
* whether a class is a sub-class of another. Delegates actual class loading to
* SyntheticRepository with current class path by default.
*
* @see org.apache.bcel.util.Repository
* @see org.apache.bcel.util.SyntheticRepository
*
* @version $Id: Repository.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class Repository {
private static org.apache.bcel.util.Repository _repository = SyntheticRepository
.getInstance();
/**
* @return currently used repository instance
*/
public static org.apache.bcel.util.Repository getRepository() {
return _repository;
}
/**
* Set repository instance to be used for class loading
*/
public static void setRepository(org.apache.bcel.util.Repository rep) {
_repository = rep;
}
/**
* Lookup class somewhere found on your CLASSPATH, or whereever the
* repository instance looks for it.
*
* @return class object for given fully qualified class name
* @throws ClassNotFoundException
* if the class could not be found or parsed correctly
*/
public static JavaClass lookupClass(String class_name)
throws ClassNotFoundException {
return _repository.loadClass(class_name);
}
/**
* Try to find class source using the internal repository instance.
*
* @see Class
* @return JavaClass object for given runtime class
* @throws ClassNotFoundException
* if the class could not be found or parsed correctly
*/
public static JavaClass lookupClass(Class<?> clazz)
throws ClassNotFoundException {
return _repository.loadClass(clazz);
}
/**
* @return class file object for given Java class by looking on the system
* class path; returns null if the class file can't be found
*/
public static ClassPath.ClassFile lookupClassFile(String class_name) {
try {
ClassPath path = _repository.getClassPath();
if (path == null) {
return null;
}
return path.getClassFile(class_name);
} catch (IOException e) {
return null;
}
}
/**
* Clear the repository.
*/
public static void clearCache() {
_repository.clear();
}
/**
* Add clazz to repository if there isn't an equally named class already in
* there.
*
* @return old entry in repository
*/
public static JavaClass addClass(JavaClass clazz) {
JavaClass old = _repository.findClass(clazz.getClassName());
_repository.storeClass(clazz);
return old;
}
/**
* Remove class with given (fully qualified) name from repository.
*/
public static void removeClass(String clazz) {
_repository.removeClass(_repository.findClass(clazz));
}
/**
* Remove given class from repository.
*/
public static void removeClass(JavaClass clazz) {
_repository.removeClass(clazz);
}
/**
* @return list of super classes of clazz in ascending order, i.e., Object
* is always the last element
* @throws ClassNotFoundException
* if any of the superclasses can't be found
*/
public static JavaClass[] getSuperClasses(JavaClass clazz)
throws ClassNotFoundException {
return clazz.getSuperClasses();
}
/**
* @return list of super classes of clazz in ascending order, i.e., Object
* is always the last element.
* @throws ClassNotFoundException
* if the named class or any of its superclasses can't be found
*/
public static JavaClass[] getSuperClasses(String class_name)
throws ClassNotFoundException {
JavaClass jc = lookupClass(class_name);
return getSuperClasses(jc);
}
/**
* @return all interfaces implemented by class and its super classes and the
* interfaces that those interfaces extend, and so on. (Some people
* call this a transitive hull).
* @throws ClassNotFoundException
* if any of the class's superclasses or superinterfaces can't
* be found
*/
public static JavaClass[] getInterfaces(JavaClass clazz)
throws ClassNotFoundException {
return clazz.getAllInterfaces();
}
/**
* @return all interfaces implemented by class and its super classes and the
* interfaces that extend those interfaces, and so on
* @throws ClassNotFoundException
* if the named class can't be found, or if any of its
* superclasses or superinterfaces can't be found
*/
public static JavaClass[] getInterfaces(String class_name)
throws ClassNotFoundException {
return getInterfaces(lookupClass(class_name));
}
/**
* Equivalent to runtime "instanceof" operator.
*
* @return true, if clazz is an instance of super_class
* @throws ClassNotFoundException
* if any superclasses or superinterfaces of clazz can't be
* found
*/
public static boolean instanceOf(JavaClass clazz, JavaClass super_class)
throws ClassNotFoundException {
return clazz.instanceOf(super_class);
}
/**
* @return true, if clazz is an instance of super_class
* @throws ClassNotFoundException
* if either clazz or super_class can't be found
*/
public static boolean instanceOf(String clazz, String super_class)
throws ClassNotFoundException {
return instanceOf(lookupClass(clazz), lookupClass(super_class));
}
/**
* @return true, if clazz is an instance of super_class
* @throws ClassNotFoundException
* if super_class can't be found
*/
public static boolean instanceOf(JavaClass clazz, String super_class)
throws ClassNotFoundException {
return instanceOf(clazz, lookupClass(super_class));
}
/**
* @return true, if clazz is an instance of super_class
* @throws ClassNotFoundException
* if clazz can't be found
*/
public static boolean instanceOf(String clazz, JavaClass super_class)
throws ClassNotFoundException {
return instanceOf(lookupClass(clazz), super_class);
}
/**
* @return true, if clazz is an implementation of interface inter
* @throws ClassNotFoundException
* if any superclasses or superinterfaces of clazz can't be
* found
*/
public static boolean implementationOf(JavaClass clazz, JavaClass inter)
throws ClassNotFoundException {
return clazz.implementationOf(inter);
}
/**
* @return true, if clazz is an implementation of interface inter
* @throws ClassNotFoundException
* if clazz, inter, or any superclasses or superinterfaces of
* clazz can't be found
*/
public static boolean implementationOf(String clazz, String inter)
throws ClassNotFoundException {
return implementationOf(lookupClass(clazz), lookupClass(inter));
}
/**
* @return true, if clazz is an implementation of interface inter
* @throws ClassNotFoundException
* if inter or any superclasses or superinterfaces of clazz
* can't be found
*/
public static boolean implementationOf(JavaClass clazz, String inter)
throws ClassNotFoundException {
return implementationOf(clazz, lookupClass(inter));
}
/**
* @return true, if clazz is an implementation of interface inter
* @throws ClassNotFoundException
* if clazz or any superclasses or superinterfaces of clazz
* can't be found
*/
public static boolean implementationOf(String clazz, JavaClass inter)
throws ClassNotFoundException {
return implementationOf(lookupClass(clazz), inter);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import org.apache.bcel.Constants;
/**
* Super class for all objects that have modifiers like private, final, ... I.e.
* classes, fields, and methods.
*
* @version $Id: AccessFlags.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class AccessFlags implements java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
protected int access_flags;
public AccessFlags() {
}
/**
* @param a
* inital access flags
*/
public AccessFlags(int a) {
access_flags = a;
}
/**
* @return Access flags of the object aka. "modifiers".
*/
public final int getAccessFlags() {
return access_flags;
}
/**
* @return Access flags of the object aka. "modifiers".
*/
public final int getModifiers() {
return access_flags;
}
/**
* Set access flags aka "modifiers".
*
* @param access_flags
* Access flags of the object.
*/
public final void setAccessFlags(int access_flags) {
this.access_flags = access_flags;
}
/**
* Set access flags aka "modifiers".
*
* @param access_flags
* Access flags of the object.
*/
public final void setModifiers(int access_flags) {
setAccessFlags(access_flags);
}
private final void setFlag(int flag, boolean set) {
if ((access_flags & flag) != 0) { // Flag is set already
if (!set) {
access_flags ^= flag;
}
} else { // Flag not set
if (set) {
access_flags |= flag;
}
}
}
public final void isPublic(boolean flag) {
setFlag(Constants.ACC_PUBLIC, flag);
}
public final boolean isPublic() {
return (access_flags & Constants.ACC_PUBLIC) != 0;
}
public final void isPrivate(boolean flag) {
setFlag(Constants.ACC_PRIVATE, flag);
}
public final boolean isPrivate() {
return (access_flags & Constants.ACC_PRIVATE) != 0;
}
public final void isProtected(boolean flag) {
setFlag(Constants.ACC_PROTECTED, flag);
}
public final boolean isProtected() {
return (access_flags & Constants.ACC_PROTECTED) != 0;
}
public final void isStatic(boolean flag) {
setFlag(Constants.ACC_STATIC, flag);
}
public final boolean isStatic() {
return (access_flags & Constants.ACC_STATIC) != 0;
}
public final void isFinal(boolean flag) {
setFlag(Constants.ACC_FINAL, flag);
}
public final boolean isFinal() {
return (access_flags & Constants.ACC_FINAL) != 0;
}
public final void isSynchronized(boolean flag) {
setFlag(Constants.ACC_SYNCHRONIZED, flag);
}
public final boolean isSynchronized() {
return (access_flags & Constants.ACC_SYNCHRONIZED) != 0;
}
public final void isVolatile(boolean flag) {
setFlag(Constants.ACC_VOLATILE, flag);
}
public final boolean isVolatile() {
return (access_flags & Constants.ACC_VOLATILE) != 0;
}
public final void isTransient(boolean flag) {
setFlag(Constants.ACC_TRANSIENT, flag);
}
public final boolean isTransient() {
return (access_flags & Constants.ACC_TRANSIENT) != 0;
}
public final void isNative(boolean flag) {
setFlag(Constants.ACC_NATIVE, flag);
}
public final boolean isNative() {
return (access_flags & Constants.ACC_NATIVE) != 0;
}
public final void isInterface(boolean flag) {
setFlag(Constants.ACC_INTERFACE, flag);
}
public final boolean isInterface() {
return (access_flags & Constants.ACC_INTERFACE) != 0;
}
public final void isAbstract(boolean flag) {
setFlag(Constants.ACC_ABSTRACT, flag);
}
public final boolean isAbstract() {
return (access_flags & Constants.ACC_ABSTRACT) != 0;
}
public final void isStrictfp(boolean flag) {
setFlag(Constants.ACC_STRICT, flag);
}
public final boolean isStrictfp() {
return (access_flags & Constants.ACC_STRICT) != 0;
}
public final void isSynthetic(boolean flag) {
setFlag(Constants.ACC_SYNTHETIC, flag);
}
public final boolean isSynthetic() {
return (access_flags & Constants.ACC_SYNTHETIC) != 0;
}
public final void isAnnotation(boolean flag) {
setFlag(Constants.ACC_ANNOTATION, flag);
}
public final boolean isAnnotation() {
return (access_flags & Constants.ACC_ANNOTATION) != 0;
}
public final void isEnum(boolean flag) {
setFlag(Constants.ACC_ENUM, flag);
}
public final boolean isEnum() {
return (access_flags & Constants.ACC_ENUM) != 0;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.apache.bcel.Constants;
/**
* Abstract super class for <em>Attribute</em> objects. Currently the
* <em>ConstantValue</em>, <em>SourceFile</em>, <em>Code</em>,
* <em>Exceptiontable</em>, <em>LineNumberTable</em>,
* <em>LocalVariableTable</em>, <em>InnerClasses</em> and <em>Synthetic</em>
* attributes are supported. The <em>Unknown</em> attribute stands for
* non-standard-attributes.
*
* @version $Id: Attribute.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see ConstantValue
* @see SourceFile
* @see Code
* @see Unknown
* @see ExceptionTable
* @see LineNumberTable
* @see LocalVariableTable
* @see InnerClasses
* @see Synthetic
* @see Deprecated
* @see Signature
*/
public abstract class Attribute implements Cloneable, Node, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
protected int name_index; // Points to attribute name in constant pool
protected int length; // Content length of attribute field
protected byte tag; // Tag to distiguish subclasses
protected ConstantPool constant_pool;
protected Attribute(byte tag, int name_index, int length,
ConstantPool constant_pool) {
this.tag = tag;
this.name_index = name_index;
this.length = length;
this.constant_pool = constant_pool;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public abstract void accept(Visitor v);
/**
* Dump attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public void dump(DataOutputStream file) throws IOException {
file.writeShort(name_index);
file.writeInt(length);
}
private static Map<String, AttributeReader> readers = new HashMap<String, AttributeReader>();
/**
* Add an Attribute reader capable of parsing (user-defined) attributes
* named "name". You should not add readers for the standard attributes such
* as "LineNumberTable", because those are handled internally.
*
* @param name
* the name of the attribute as stored in the class file
* @param r
* the reader object
*/
public static void addAttributeReader(String name, AttributeReader r) {
readers.put(name, r);
}
/**
* Remove attribute reader
*
* @param name
* the name of the attribute as stored in the class file
*/
public static void removeAttributeReader(String name) {
readers.remove(name);
}
/*
* Class method reads one attribute from the input data stream. This method
* must not be accessible from the outside. It is called by the Field and
* Method constructor methods.
*
* @see Field
*
* @see Method
*
* @param file Input stream
*
* @param constant_pool Array of constants
*
* @return Attribute
*
* @throws IOException
*
* @throws ClassFormatException
*/
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool) throws IOException,
ClassFormatException {
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = file.readUnsignedShort();
c = (ConstantUtf8) constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for (byte i = 0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if (name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch (tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = readers.get(name);
if (r != null) {
return r.createAttribute(name_index, length, file,
constant_pool);
}
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file,
constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
// case Constants.ATTR_RUNTIMEVISIBLE_ANNOTATIONS:
// return new RuntimeVisibleAnnotations(name_index, length, file,
// constant_pool);
// case Constants.ATTR_RUNTIMEINVISIBLE_ANNOTATIONS:
// return new RuntimeInvisibleAnnotations(name_index, length, file,
// constant_pool);
// case Constants.ATTR_RUNTIMEVISIBLE_PARAMETER_ANNOTATIONS:
// return new RuntimeVisibleParameterAnnotations(name_index, length,
// file, constant_pool);
// case Constants.ATTR_RUNTIMEINVISIBLE_PARAMETER_ANNOTATIONS:
// return new RuntimeInvisibleParameterAnnotations(name_index,
// length, file, constant_pool);
// case Constants.ATTR_ANNOTATION_DEFAULT:
// return new AnnotationDefault(name_index, length, file,
// constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
/**
* @return Length of attribute field in bytes.
*/
public final int getLength() {
return length;
}
/**
* @param length
* length in bytes.
*/
public final void setLength(int length) {
this.length = length;
}
/**
* @param name_index
* of attribute.
*/
public final void setNameIndex(int name_index) {
this.name_index = name_index;
}
/**
* @return Name index in constant pool of attribute name.
*/
public final int getNameIndex() {
return name_index;
}
/**
* @return Tag of attribute, i.e., its type. Value may not be altered, thus
* there is no setTag() method.
*/
public final byte getTag() {
return tag;
}
/**
* @return Constant pool used by this object.
* @see ConstantPool
*/
public final ConstantPool getConstantPool() {
return constant_pool;
}
/**
* @param constant_pool
* Constant pool to be used for this object.
* @see ConstantPool
*/
public final void setConstantPool(ConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
/**
* Use copy() if you want to have a deep copy(), i.e., with all references
* copied correctly.
*
* @return shallow copy of this attribute
*/
@Override
public Object clone() {
Object o = null;
try {
o = super.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace(); // Never occurs
}
return o;
}
/**
* @return deep copy of this attribute
*/
public abstract Attribute copy(ConstantPool _constant_pool);
/**
* @return attribute name.
*/
@Override
public String toString() {
return Constants.ATTRIBUTE_NAMES[tag];
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
/**
* Unknown (non-standard) attributes may be read via user-defined factory
* objects that can be registered with the Attribute.addAttributeReader method.
* These factory objects should implement this interface.
*
* @see Attribute
* @version $Id: AttributeReader.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public interface AttributeReader {
/**
* When this attribute reader is added via the static method
* Attribute.addAttributeReader, an attribute name is associated with it. As
* the class file parser parses attributes, it will call various
* AttributeReaders based on the name of the attributes it is constructing.
*
* @param name_index
* An index into the constant pool, indexing a ConstantUtf8 that
* represents the name of the attribute.
* @param length
* The length of the data contained in the attribute. This is
* written into the constant pool and should agree with what the
* factory expects the length to be.
* @param file
* This is the data input stream that the factory needs to read
* its data from.
* @param constant_pool
* This is the constant pool associated with the Attribute that
* we are constructing.
* @return The user-defined AttributeReader should take this data and use it
* to construct an attribute. In the case of errors, a null can be
* returned which will cause the parsing of the class file to fail.
* @see Attribute#addAttributeReader(String, AttributeReader )
*/
public Attribute createAttribute(int name_index, int length,
java.io.DataInputStream file, ConstantPool constant_pool);
}

40
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@ -1,40 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
/**
* Thrown when the BCEL attempts to read a class file and determines that the
* file is malformed or otherwise cannot be interpreted as a class file.
*
* @version $Id: ClassFormatException.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ClassFormatException extends RuntimeException {
/**
*
*/
private static final long serialVersionUID = 1L;
public ClassFormatException() {
super();
}
public ClassFormatException(String s) {
super(s);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.apache.bcel.Constants;
/**
* Wrapper class that parses a given Java .class file. The method <A href
* ="#parse">parse</A> returns a <A href ="JavaClass.html"> JavaClass</A> object
* on success. When an I/O error or an inconsistency occurs an appropiate
* exception is propagated back to the caller.
*
* The structure and the names comply, except for a few conveniences, exactly
* with the <A href="ftp://java.sun.com/docs/specs/vmspec.ps"> JVM specification
* 1.0</a>. See this paper for further details about the structure of a bytecode
* file.
*
* @version $Id: ClassParser.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class ClassParser {
private DataInputStream file;
private boolean fileOwned;
private String file_name;
private String zip_file;
private int class_name_index, superclass_name_index;
private int major, minor; // Compiler version
private int access_flags; // Access rights of parsed class
private int[] interfaces; // Names of implemented interfaces
private ConstantPool constant_pool; // collection of constants
private Field[] fields; // class fields, i.e., its variables
private Method[] methods; // methods defined in the class
private Attribute[] attributes; // attributes defined in the class
private boolean is_zip; // Loaded from zip file
private static final int BUFSIZE = 8192;
/**
* Parse class from the given stream.
*
* @param file
* Input stream
* @param file_name
* File name
*/
public ClassParser(InputStream file, String file_name) {
this.file_name = file_name;
fileOwned = false;
String clazz = file.getClass().getName(); // Not a very clean solution
// ...
is_zip = clazz.startsWith("java.util.zip.")
|| clazz.startsWith("java.util.jar.");
if (file instanceof DataInputStream) {
this.file = (DataInputStream) file;
} else {
this.file = new DataInputStream(new BufferedInputStream(file,
BUFSIZE));
}
}
/**
* Parse class from given .class file.
*
* @param file_name
* file name
*/
public ClassParser(String file_name) throws IOException {
is_zip = false;
this.file_name = file_name;
fileOwned = true;
}
/**
* Parse class from given .class file in a ZIP-archive
*
* @param zip_file
* zip file name
* @param file_name
* file name
*/
public ClassParser(String zip_file, String file_name) {
is_zip = true;
fileOwned = true;
this.zip_file = zip_file;
this.file_name = file_name;
}
/**
* Parse the given Java class file and return an object that represents the
* contained data, i.e., constants, methods, fields and commands. A
* <em>ClassFormatException</em> is raised, if the file is not a valid
* .class file. (This does not include verification of the byte code as it
* is performed by the java interpreter).
*
* @return Class object representing the parsed class file
* @throws IOException
* @throws ClassFormatException
*/
public JavaClass parse() throws IOException, ClassFormatException {
ZipFile zip = null;
try {
if (fileOwned) {
if (is_zip) {
zip = new ZipFile(zip_file);
ZipEntry entry = zip.getEntry(file_name);
file = new DataInputStream(new BufferedInputStream(
zip.getInputStream(entry), BUFSIZE));
} else {
file = new DataInputStream(new BufferedInputStream(
new FileInputStream(file_name), BUFSIZE));
}
}
/****************** Read headers ********************************/
// Check magic tag of class file
readID();
// Get compiler version
readVersion();
/****************** Read constant pool and related **************/
// Read constant pool entries
readConstantPool();
// Get class information
readClassInfo();
// Get interface information, i.e., implemented interfaces
readInterfaces();
/****************** Read class fields and methods ***************/
// Read class fields, i.e., the variables of the class
readFields();
// Read class methods, i.e., the functions in the class
readMethods();
// Read class attributes
readAttributes();
// Check for unknown variables
// Unknown[] u = Unknown.getUnknownAttributes();
// for(int i=0; i < u.length; i++)
// System.err.println("WARNING: " + u[i]);
// Everything should have been read now
// if(file.available() > 0) {
// int bytes = file.available();
// byte[] buf = new byte[bytes];
// file.read(buf);
// if(!(is_zip && (buf.length == 1))) {
// System.err.println("WARNING: Trailing garbage at end of " +
// file_name);
// System.err.println(bytes + " extra bytes: " +
// Utility.toHexString(buf));
// }
// }
} finally {
// Read everything of interest, so close the file
if (fileOwned) {
file.close();
if (zip != null) {
zip.close();
}
}
}
// Return the information we have gathered in a new object
return new JavaClass(class_name_index, superclass_name_index,
file_name, major, minor, access_flags, constant_pool,
interfaces, fields, methods, attributes, is_zip ? JavaClass.ZIP
: JavaClass.FILE);
}
/**
* Read information about the attributes of the class.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readAttributes() throws IOException,
ClassFormatException {
int attributes_count;
attributes_count = file.readUnsignedShort();
attributes = new Attribute[attributes_count];
for (int i = 0; i < attributes_count; i++) {
attributes[i] = Attribute.readAttribute(file, constant_pool);
}
}
/**
* Read information about the class and its super class.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readClassInfo() throws IOException, ClassFormatException {
access_flags = file.readUnsignedShort();
/*
* Interfaces are implicitely abstract, the flag should be set according
* to the JVM specification.
*/
if ((access_flags & Constants.ACC_INTERFACE) != 0) {
access_flags |= Constants.ACC_ABSTRACT;
}
if (((access_flags & Constants.ACC_ABSTRACT) != 0)
&& ((access_flags & Constants.ACC_FINAL) != 0)) {
throw new ClassFormatException(
"Class can't be both final and abstract");
}
class_name_index = file.readUnsignedShort();
superclass_name_index = file.readUnsignedShort();
}
/**
* Read constant pool entries.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readConstantPool() throws IOException,
ClassFormatException {
constant_pool = new ConstantPool(file);
}
/**
* Read information about the fields of the class, i.e., its variables.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readFields() throws IOException, ClassFormatException {
int fields_count;
fields_count = file.readUnsignedShort();
fields = new Field[fields_count];
for (int i = 0; i < fields_count; i++) {
fields[i] = new Field(file, constant_pool);
}
}
/******************** Private utility methods **********************/
/**
* Check whether the header of the file is ok. Of course, this has to be the
* first action on successive file reads.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readID() throws IOException, ClassFormatException {
int magic = 0xCAFEBABE;
if (file.readInt() != magic) {
throw new ClassFormatException(file_name
+ " is not a Java .class file");
}
}
/**
* Read information about the interfaces implemented by this class.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readInterfaces() throws IOException,
ClassFormatException {
int interfaces_count;
interfaces_count = file.readUnsignedShort();
interfaces = new int[interfaces_count];
for (int i = 0; i < interfaces_count; i++) {
interfaces[i] = file.readUnsignedShort();
}
}
/**
* Read information about the methods of the class.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readMethods() throws IOException, ClassFormatException {
int methods_count;
methods_count = file.readUnsignedShort();
methods = new Method[methods_count];
for (int i = 0; i < methods_count; i++) {
methods[i] = new Method(file, constant_pool);
}
}
/**
* Read major and minor version of compiler which created the file.
*
* @throws IOException
* @throws ClassFormatException
*/
private final void readVersion() throws IOException, ClassFormatException {
minor = file.readUnsignedShort();
major = file.readUnsignedShort();
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents a chunk of Java byte code contained in a method. It is
* instantiated by the <em>Attribute.readAttribute()</em> method. A
* <em>Code</em> attribute contains informations about operand stack, local
* variables, byte code and the exceptions handled within this method.
*
* This attribute has attributes itself, namely <em>LineNumberTable</em> which
* is used for debugging purposes and <em>LocalVariableTable</em> which contains
* information about the local variables.
*
* @version $Id: Code.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
* @see CodeException
* @see LineNumberTable
* @see LocalVariableTable
*/
public final class Code extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int max_stack; // Maximum size of stack used by this method
private int max_locals; // Number of local variables
private int code_length; // Length of code in bytes
private byte[] code; // Actual byte code
private int exception_table_length;
private CodeException[] exception_table; // Table of handled exceptions
private int attributes_count; // Attributes of code: LineNumber
private Attribute[] attributes; // or LocalVariable
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use copy() for a physical copy.
*/
public Code(Code c) {
this(c.getNameIndex(), c.getLength(), c.getMaxStack(),
c.getMaxLocals(), c.getCode(), c.getExceptionTable(), c
.getAttributes(), c.getConstantPool());
}
/**
* @param name_index
* Index pointing to the name <em>Code</em>
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
*/
Code(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
// Initialize with some default values which will be overwritten later
this(name_index, length, file.readUnsignedShort(), file
.readUnsignedShort(), (byte[]) null, (CodeException[]) null,
(Attribute[]) null, constant_pool);
code_length = file.readInt();
code = new byte[code_length]; // Read byte code
file.readFully(code);
/*
* Read exception table that contains all regions where an exception
* handler is active, i.e., a try { ... } catch() block.
*/
exception_table_length = file.readUnsignedShort();
exception_table = new CodeException[exception_table_length];
for (int i = 0; i < exception_table_length; i++) {
exception_table[i] = new CodeException(file);
}
/*
* Read all attributes, currently `LineNumberTable' and
* `LocalVariableTable'
*/
attributes_count = file.readUnsignedShort();
attributes = new Attribute[attributes_count];
for (int i = 0; i < attributes_count; i++) {
attributes[i] = Attribute.readAttribute(file, constant_pool);
}
/*
* Adjust length, because of setAttributes in this(), s.b. length is
* incorrect, because it didn't take the internal attributes into
* account yet! Very subtle bug, fixed in 3.1.1.
*/
this.length = length;
}
/**
* @param name_index
* Index pointing to the name <em>Code</em>
* @param length
* Content length in bytes
* @param max_stack
* Maximum size of stack
* @param max_locals
* Number of local variables
* @param code
* Actual byte code
* @param exception_table
* Table of handled exceptions
* @param attributes
* Attributes of code: LineNumber or LocalVariable
* @param constant_pool
* Array of constants
*/
public Code(int name_index, int length, int max_stack, int max_locals,
byte[] code, CodeException[] exception_table,
Attribute[] attributes, ConstantPool constant_pool) {
super(Constants.ATTR_CODE, name_index, length, constant_pool);
this.max_stack = max_stack;
this.max_locals = max_locals;
setCode(code);
setExceptionTable(exception_table);
setAttributes(attributes); // Overwrites length!
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitCode(this);
}
/**
* Dump code attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(max_stack);
file.writeShort(max_locals);
file.writeInt(code_length);
file.write(code, 0, code_length);
file.writeShort(exception_table_length);
for (int i = 0; i < exception_table_length; i++) {
exception_table[i].dump(file);
}
file.writeShort(attributes_count);
for (int i = 0; i < attributes_count; i++) {
attributes[i].dump(file);
}
}
/**
* @return Collection of code attributes.
* @see Attribute
*/
public final Attribute[] getAttributes() {
return attributes;
}
/**
* @return LineNumberTable of Code, if it has one
*/
public LineNumberTable getLineNumberTable() {
for (int i = 0; i < attributes_count; i++) {
if (attributes[i] instanceof LineNumberTable) {
return (LineNumberTable) attributes[i];
}
}
return null;
}
/**
* @return LocalVariableTable of Code, if it has one
*/
public LocalVariableTable getLocalVariableTable() {
for (int i = 0; i < attributes_count; i++) {
if (attributes[i] instanceof LocalVariableTable) {
return (LocalVariableTable) attributes[i];
}
}
return null;
}
/**
* @return Actual byte code of the method.
*/
public final byte[] getCode() {
return code;
}
/**
* @return Table of handled exceptions.
* @see CodeException
*/
public final CodeException[] getExceptionTable() {
return exception_table;
}
/**
* @return Number of local variables.
*/
public final int getMaxLocals() {
return max_locals;
}
/**
* @return Maximum size of stack used by this method.
*/
public final int getMaxStack() {
return max_stack;
}
/**
* @return the internal length of this code attribute (minus the first 6
* bytes) and excluding all its attributes
*/
private final int getInternalLength() {
return 2 /* max_stack */+ 2 /* max_locals */+ 4 /* code length */
+ code_length /* byte-code */
+ 2 /* exception-table length */
+ 8 * exception_table_length /* exception table */
+ 2 /* attributes count */;
}
/**
* @return the full size of this code attribute, minus its first 6 bytes,
* including the size of all its contained attributes
*/
private final int calculateLength() {
int len = 0;
for (int i = 0; i < attributes_count; i++) {
len += attributes[i].length + 6 /* attribute header size */;
}
return len + getInternalLength();
}
/**
* @param attributes
* the attributes to set for this Code
*/
public final void setAttributes(Attribute[] attributes) {
this.attributes = attributes;
attributes_count = (attributes == null) ? 0 : attributes.length;
length = calculateLength(); // Adjust length
}
/**
* @param code
* byte code
*/
public final void setCode(byte[] code) {
this.code = code;
code_length = (code == null) ? 0 : code.length;
}
/**
* @param exception_table
* exception table
*/
public final void setExceptionTable(CodeException[] exception_table) {
this.exception_table = exception_table;
exception_table_length = (exception_table == null) ? 0
: exception_table.length;
}
/**
* @param max_locals
* maximum number of local variables
*/
public final void setMaxLocals(int max_locals) {
this.max_locals = max_locals;
}
/**
* @param max_stack
* maximum stack size
*/
public final void setMaxStack(int max_stack) {
this.max_stack = max_stack;
}
/**
* @return String representation of code chunk.
*/
public final String toString(boolean verbose) {
StringBuffer buf;
buf = new StringBuffer(100);
buf.append("Code(max_stack = ")
.append(max_stack)
.append(", max_locals = ")
.append(max_locals)
.append(", code_length = ")
.append(code_length)
.append(")\n")
.append(Utility.codeToString(code, constant_pool, 0, -1,
verbose));
if (exception_table_length > 0) {
buf.append("\nException handler(s) = \n").append(
"From\tTo\tHandler\tType\n");
for (int i = 0; i < exception_table_length; i++) {
buf.append(exception_table[i].toString(constant_pool, verbose))
.append("\n");
}
}
if (attributes_count > 0) {
buf.append("\nAttribute(s) = \n");
for (int i = 0; i < attributes_count; i++) {
buf.append(attributes[i].toString()).append("\n");
}
}
return buf.toString();
}
/**
* @return String representation of code chunk.
*/
@Override
public final String toString() {
return toString(true);
}
/**
* @return deep copy of this attribute
*
* @param _constant_pool
* the constant pool to duplicate
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
Code c = (Code) clone();
if (code != null) {
c.code = new byte[code.length];
System.arraycopy(code, 0, c.code, 0, code.length);
}
c.constant_pool = _constant_pool;
c.exception_table = new CodeException[exception_table_length];
for (int i = 0; i < exception_table_length; i++) {
c.exception_table[i] = exception_table[i].copy();
}
c.attributes = new Attribute[attributes_count];
for (int i = 0; i < attributes_count; i++) {
c.attributes[i] = attributes[i].copy(_constant_pool);
}
return c;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
import org.apache.bcel.Constants;
/**
* This class represents an entry in the exception table of the <em>Code</em>
* attribute and is used only there. It contains a range in which a particular
* exception handler is active.
*
* @version $Id: CodeException.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Code
*/
public final class CodeException implements Cloneable, Constants, Node,
Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private int start_pc; // Range in the code the exception handler is
private int end_pc; // active. start_pc is inclusive, end_pc exclusive
private int handler_pc; /*
* Starting address of exception handler, i.e., an
* offset from start of code.
*/
private int catch_type; /*
* If this is zero the handler catches any
* exception, otherwise it points to the exception
* class which is to be caught.
*/
/**
* Initialize from another object.
*/
public CodeException(CodeException c) {
this(c.getStartPC(), c.getEndPC(), c.getHandlerPC(), c.getCatchType());
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
*/
CodeException(DataInputStream file) throws IOException {
this(file.readUnsignedShort(), file.readUnsignedShort(), file
.readUnsignedShort(), file.readUnsignedShort());
}
/**
* @param start_pc
* Range in the code the exception handler is active, start_pc is
* inclusive while
* @param end_pc
* is exclusive
* @param handler_pc
* Starting address of exception handler, i.e., an offset from
* start of code.
* @param catch_type
* If zero the handler catches any exception, otherwise it points
* to the exception class which is to be caught.
*/
public CodeException(int start_pc, int end_pc, int handler_pc,
int catch_type) {
this.start_pc = start_pc;
this.end_pc = end_pc;
this.handler_pc = handler_pc;
this.catch_type = catch_type;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitCodeException(this);
}
/**
* Dump code exception to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeShort(start_pc);
file.writeShort(end_pc);
file.writeShort(handler_pc);
file.writeShort(catch_type);
}
/**
* @return 0, if the handler catches any exception, otherwise it points to
* the exception class which is to be caught.
*/
public final int getCatchType() {
return catch_type;
}
/**
* @return Exclusive end index of the region where the handler is active.
*/
public final int getEndPC() {
return end_pc;
}
/**
* @return Starting address of exception handler, relative to the code.
*/
public final int getHandlerPC() {
return handler_pc;
}
/**
* @return Inclusive start index of the region where the handler is active.
*/
public final int getStartPC() {
return start_pc;
}
/**
* @param catch_type
* the type of exception that is caught
*/
public final void setCatchType(int catch_type) {
this.catch_type = catch_type;
}
/**
* @param end_pc
* end of handled block
*/
public final void setEndPC(int end_pc) {
this.end_pc = end_pc;
}
/**
* @param handler_pc
* where the actual code is
*/
public final void setHandlerPC(int handler_pc) {
this.handler_pc = handler_pc;
}
/**
* @param start_pc
* start of handled block
*/
public final void setStartPC(int start_pc) {
this.start_pc = start_pc;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return "CodeException(start_pc = " + start_pc + ", end_pc = " + end_pc
+ ", handler_pc = " + handler_pc + ", catch_type = "
+ catch_type + ")";
}
/**
* @return String representation.
*/
public final String toString(ConstantPool cp, boolean verbose) {
String str;
if (catch_type == 0) {
str = "<Any exception>(0)";
} else {
str = Utility.compactClassName(
cp.getConstantString(catch_type, CONSTANT_Class), false)
+ (verbose ? "(" + catch_type + ")" : "");
}
return start_pc + "\t" + end_pc + "\t" + handler_pc + "\t" + str;
}
public final String toString(ConstantPool cp) {
return toString(cp, true);
}
/**
* @return deep copy of this object
*/
public CodeException copy() {
try {
return (CodeException) clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
import org.apache.bcel.Constants;
import org.apache.bcel.util.BCELComparator;
/**
* Abstract superclass for classes to represent the different constant types in
* the constant pool of a class file. The classes keep closely to the JVM
* specification.
*
* @version $Id: Constant.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class Constant implements Cloneable, Node, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private static BCELComparator _cmp = new BCELComparator() {
@Override
public boolean equals(Object o1, Object o2) {
Constant THIS = (Constant) o1;
Constant THAT = (Constant) o2;
return THIS.toString().equals(THAT.toString());
}
@Override
public int hashCode(Object o) {
Constant THIS = (Constant) o;
return THIS.toString().hashCode();
}
};
/*
* In fact this tag is redundant since we can distinguish different
* `Constant' objects by their type, i.e., via `instanceof'. In some places
* we will use the tag for switch()es anyway.
*
* First, we want match the specification as closely as possible. Second we
* need the tag as an index to select the corresponding class name from the
* `CONSTANT_NAMES' array.
*/
protected byte tag;
Constant(byte tag) {
this.tag = tag;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public abstract void accept(Visitor v);
public abstract void dump(DataOutputStream file) throws IOException;
/**
* @return Tag of constant, i.e., its type. No setTag() method to avoid
* confusion.
*/
public final byte getTag() {
return tag;
}
/**
* @return String representation.
*/
@Override
public String toString() {
return Constants.CONSTANT_NAMES[tag] + "[" + tag + "]";
}
/**
* @return deep copy of this constant
*/
public Constant copy() {
try {
return (Constant) super.clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
/**
* Read one constant from the given file, the type depends on a tag byte.
*
* @param file
* Input stream
* @return Constant object
*/
static final Constant readConstant(DataInputStream file)
throws IOException, ClassFormatException {
byte b = file.readByte(); // Read tag byte
switch (b) {
case Constants.CONSTANT_Class:
return new ConstantClass(file);
case Constants.CONSTANT_Fieldref:
return new ConstantFieldref(file);
case Constants.CONSTANT_Methodref:
return new ConstantMethodref(file);
case Constants.CONSTANT_InterfaceMethodref:
return new ConstantInterfaceMethodref(file);
case Constants.CONSTANT_String:
return new ConstantString(file);
case Constants.CONSTANT_Integer:
return new ConstantInteger(file);
case Constants.CONSTANT_Float:
return new ConstantFloat(file);
case Constants.CONSTANT_Long:
return new ConstantLong(file);
case Constants.CONSTANT_Double:
return new ConstantDouble(file);
case Constants.CONSTANT_NameAndType:
return new ConstantNameAndType(file);
case Constants.CONSTANT_Utf8:
return new ConstantUtf8(file);
default:
throw new ClassFormatException(
"Invalid byte tag in constant pool: " + b);
}
}
/**
* @return Comparison strategy object
*/
public static BCELComparator getComparator() {
return _cmp;
}
/**
* @param comparator
* Comparison strategy object
*/
public static void setComparator(BCELComparator comparator) {
_cmp = comparator;
}
/**
* Return value as defined by given BCELComparator strategy. By default two
* Constant objects are said to be equal when the result of toString() is
* equal.
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return _cmp.equals(this, obj);
}
/**
* Return value as defined by given BCELComparator strategy. By default
* return the hashcode of the result of toString().
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return _cmp.hashCode(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* Abstract super class for Fieldref and Methodref constants.
*
* @version $Id: ConstantCP.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see ConstantFieldref
* @see ConstantMethodref
* @see ConstantInterfaceMethodref
*/
public abstract class ConstantCP extends Constant {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* References to the constants containing the class and the field signature
*/
protected int class_index, name_and_type_index;
/**
* Initialize from another object.
*/
public ConstantCP(ConstantCP c) {
this(c.getTag(), c.getClassIndex(), c.getNameAndTypeIndex());
}
/**
* Initialize instance from file data.
*
* @param tag
* Constant type tag
* @param file
* Input stream
* @throws IOException
*/
ConstantCP(byte tag, DataInputStream file) throws IOException {
this(tag, file.readUnsignedShort(), file.readUnsignedShort());
}
/**
* @param class_index
* Reference to the class containing the field
* @param name_and_type_index
* and the field signature
*/
protected ConstantCP(byte tag, int class_index, int name_and_type_index) {
super(tag);
this.class_index = class_index;
this.name_and_type_index = name_and_type_index;
}
/**
* Dump constant field reference to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeShort(class_index);
file.writeShort(name_and_type_index);
}
/**
* @return Reference (index) to class this field or method belongs to.
*/
public final int getClassIndex() {
return class_index;
}
/**
* @return Reference (index) to signature of the field.
*/
public final int getNameAndTypeIndex() {
return name_and_type_index;
}
/**
* @param class_index
* points to Constant_class
*/
public final void setClassIndex(int class_index) {
this.class_index = class_index;
}
/**
* @return Class this field belongs to.
*/
public String getClass(ConstantPool cp) {
return cp.constantToString(class_index, Constants.CONSTANT_Class);
}
/**
* @param name_and_type_index
* points to Constant_NameAndType
*/
public final void setNameAndTypeIndex(int name_and_type_index) {
this.name_and_type_index = name_and_type_index;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(class_index = " + class_index
+ ", name_and_type_index = " + name_and_type_index + ")";
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to a (external) class.
*
* @version $Id: ConstantClass.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantClass extends Constant implements ConstantObject {
/**
*
*/
private static final long serialVersionUID = 1L;
private int name_index; // Identical to ConstantString except for the name
/**
* Initialize from another object.
*/
public ConstantClass(ConstantClass c) {
this(c.getNameIndex());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantClass(DataInputStream file) throws IOException {
this(file.readUnsignedShort());
}
/**
* @param name_index
* Name index in constant pool. Should refer to a ConstantUtf8.
*/
public ConstantClass(int name_index) {
super(Constants.CONSTANT_Class);
this.name_index = name_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantClass(this);
}
/**
* Dump constant class to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeShort(name_index);
}
/**
* @return Name index in constant pool of class name.
*/
public final int getNameIndex() {
return name_index;
}
/**
* @param name_index
* the name index in the constant pool of this Constant Class
*/
public final void setNameIndex(int name_index) {
this.name_index = name_index;
}
/**
* @return String object
*/
@Override
public Object getConstantValue(ConstantPool cp) {
Constant c = cp.getConstant(name_index, Constants.CONSTANT_Utf8);
return ((ConstantUtf8) c).getBytes();
}
/**
* @return dereferenced string
*/
public String getBytes(ConstantPool cp) {
return (String) getConstantValue(cp);
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(name_index = " + name_index + ")";
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to a Double object.
*
* @version $Id: ConstantDouble.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantDouble extends Constant implements ConstantObject {
/**
*
*/
private static final long serialVersionUID = 1L;
private double bytes;
/**
* @param bytes
* Data
*/
public ConstantDouble(double bytes) {
super(Constants.CONSTANT_Double);
this.bytes = bytes;
}
/**
* Initialize from another object.
*/
public ConstantDouble(ConstantDouble c) {
this(c.getBytes());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantDouble(DataInputStream file) throws IOException {
this(file.readDouble());
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantDouble(this);
}
/**
* Dump constant double to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeDouble(bytes);
}
/**
* @return data, i.e., 8 bytes.
*/
public final double getBytes() {
return bytes;
}
/**
* @param bytes
* the raw bytes that represent the double value
*/
public final void setBytes(double bytes) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(bytes = " + bytes + ")";
}
/**
* @return Double object
*/
@Override
public Object getConstantValue(ConstantPool cp) {
return new Double(bytes);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents a constant pool reference to a field.
*
* @version $Id: ConstantFieldref.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class ConstantFieldref extends ConstantCP {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Initialize from another object.
*/
public ConstantFieldref(ConstantFieldref c) {
super(Constants.CONSTANT_Fieldref, c.getClassIndex(), c
.getNameAndTypeIndex());
}
/**
* Initialize instance from file data.
*
* @param file
* input stream
* @throws IOException
*/
ConstantFieldref(DataInputStream file) throws IOException {
super(Constants.CONSTANT_Fieldref, file);
}
/**
* @param class_index
* Reference to the class containing the Field
* @param name_and_type_index
* and the Field signature
*/
public ConstantFieldref(int class_index, int name_and_type_index) {
super(Constants.CONSTANT_Fieldref, class_index, name_and_type_index);
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of Fields,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantFieldref(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to a float object.
*
* @version $Id: ConstantFloat.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantFloat extends Constant implements ConstantObject {
/**
*
*/
private static final long serialVersionUID = 1L;
private float bytes;
/**
* @param bytes
* Data
*/
public ConstantFloat(float bytes) {
super(Constants.CONSTANT_Float);
this.bytes = bytes;
}
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public ConstantFloat(ConstantFloat c) {
this(c.getBytes());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantFloat(DataInputStream file) throws IOException {
this(file.readFloat());
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantFloat(this);
}
/**
* Dump constant float to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeFloat(bytes);
}
/**
* @return data, i.e., 4 bytes.
*/
public final float getBytes() {
return bytes;
}
/**
* @param bytes
* the raw bytes that represent this float
*/
public final void setBytes(float bytes) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(bytes = " + bytes + ")";
}
/**
* @return Float object
*/
@Override
public Object getConstantValue(ConstantPool cp) {
return new Float(bytes);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to an int object.
*
* @version $Id: ConstantInteger.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantInteger extends Constant implements ConstantObject {
/**
*
*/
private static final long serialVersionUID = 1L;
private int bytes;
/**
* @param bytes
* Data
*/
public ConstantInteger(int bytes) {
super(Constants.CONSTANT_Integer);
this.bytes = bytes;
}
/**
* Initialize from another object.
*/
public ConstantInteger(ConstantInteger c) {
this(c.getBytes());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantInteger(DataInputStream file) throws IOException {
this(file.readInt());
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantInteger(this);
}
/**
* Dump constant integer to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeInt(bytes);
}
/**
* @return data, i.e., 4 bytes.
*/
public final int getBytes() {
return bytes;
}
/**
* @param bytes
* the raw bytes that represent this integer
*/
public final void setBytes(int bytes) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(bytes = " + bytes + ")";
}
/**
* @return Integer object
*/
@Override
public Object getConstantValue(ConstantPool cp) {
return new Integer(bytes);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents a constant pool reference to an interface method.
*
* @version $Id: ConstantInterfaceMethodref.java 386056 2006-03-15 11:31:56Z
* tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class ConstantInterfaceMethodref extends ConstantCP {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Initialize from another object.
*/
public ConstantInterfaceMethodref(ConstantInterfaceMethodref c) {
super(Constants.CONSTANT_InterfaceMethodref, c.getClassIndex(), c
.getNameAndTypeIndex());
}
/**
* Initialize instance from file data.
*
* @param file
* input stream
* @throws IOException
*/
ConstantInterfaceMethodref(DataInputStream file) throws IOException {
super(Constants.CONSTANT_InterfaceMethodref, file);
}
/**
* @param class_index
* Reference to the class containing the method
* @param name_and_type_index
* and the method signature
*/
public ConstantInterfaceMethodref(int class_index, int name_and_type_index) {
super(Constants.CONSTANT_InterfaceMethodref, class_index,
name_and_type_index);
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantInterfaceMethodref(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to a long object.
*
* @version $Id: ConstantLong.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantLong extends Constant implements ConstantObject {
/**
*
*/
private static final long serialVersionUID = 1L;
private long bytes;
/**
* @param bytes
* Data
*/
public ConstantLong(long bytes) {
super(Constants.CONSTANT_Long);
this.bytes = bytes;
}
/**
* Initialize from another object.
*/
public ConstantLong(ConstantLong c) {
this(c.getBytes());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantLong(DataInputStream file) throws IOException {
this(file.readLong());
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantLong(this);
}
/**
* Dump constant long to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeLong(bytes);
}
/**
* @return data, i.e., 8 bytes.
*/
public final long getBytes() {
return bytes;
}
/**
* @param bytes
* thr raw bytes that represent this long
*/
public final void setBytes(long bytes) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(bytes = " + bytes + ")";
}
/**
* @return Long object
*/
@Override
public Object getConstantValue(ConstantPool cp) {
return new Long(bytes);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents a constant pool reference to a method.
*
* @version $Id: ConstantMethodref.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class ConstantMethodref extends ConstantCP {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Initialize from another object.
*/
public ConstantMethodref(ConstantMethodref c) {
super(Constants.CONSTANT_Methodref, c.getClassIndex(), c
.getNameAndTypeIndex());
}
/**
* Initialize instance from file data.
*
* @param file
* input stream
* @throws IOException
*/
ConstantMethodref(DataInputStream file) throws IOException {
super(Constants.CONSTANT_Methodref, file);
}
/**
* @param class_index
* Reference to the class containing the method
* @param name_and_type_index
* and the method signature
*/
public ConstantMethodref(int class_index, int name_and_type_index) {
super(Constants.CONSTANT_Methodref, class_index, name_and_type_index);
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantMethodref(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to the name and signature of a field or method.
*
* @version $Id: ConstantNameAndType.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantNameAndType extends Constant {
/**
*
*/
private static final long serialVersionUID = 1L;
private int name_index; // Name of field/method
private int signature_index; // and its signature.
/**
* Initialize from another object.
*/
public ConstantNameAndType(ConstantNameAndType c) {
this(c.getNameIndex(), c.getSignatureIndex());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantNameAndType(DataInputStream file) throws IOException {
this(file.readUnsignedShort(), file.readUnsignedShort());
}
/**
* @param name_index
* Name of field/method
* @param signature_index
* and its signature
*/
public ConstantNameAndType(int name_index, int signature_index) {
super(Constants.CONSTANT_NameAndType);
this.name_index = name_index;
this.signature_index = signature_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantNameAndType(this);
}
/**
* Dump name and signature index to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeShort(name_index);
file.writeShort(signature_index);
}
/**
* @return Name index in constant pool of field/method name.
*/
public final int getNameIndex() {
return name_index;
}
/**
* @return name
*/
public final String getName(ConstantPool cp) {
return cp.constantToString(getNameIndex(), Constants.CONSTANT_Utf8);
}
/**
* @return Index in constant pool of field/method signature.
*/
public final int getSignatureIndex() {
return signature_index;
}
/**
* @return signature
*/
public final String getSignature(ConstantPool cp) {
return cp
.constantToString(getSignatureIndex(), Constants.CONSTANT_Utf8);
}
/**
* @param name_index
* the name index of this constant
*/
public final void setNameIndex(int name_index) {
this.name_index = name_index;
}
/**
* @param signature_index
* the signature index in the constant pool of this type
*/
public final void setSignatureIndex(int signature_index) {
this.signature_index = signature_index;
}
/**
* @return String representation
*/
@Override
public final String toString() {
return super.toString() + "(name_index = " + name_index
+ ", signature_index = " + signature_index + ")";
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
/**
* This interface denotes those constants that have a "natural" value, such as
* ConstantLong, ConstantString, etc..
*
* @version $Id: ConstantObject.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public interface ConstantObject {
/**
* @return object representing the constant, e.g., Long for ConstantLong
*/
public abstract Object getConstantValue(ConstantPool cp);
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
import org.apache.bcel.Constants;
/**
* This class represents the constant pool, i.e., a table of constants, of a
* parsed classfile. It may contain null references, due to the JVM
* specification that skips an entry after an 8-byte constant (double, long)
* entry. Those interested in generating constant pools programatically should
* see <a href="../generic/ConstantPoolGen.html"> ConstantPoolGen</a>.
*
* @version $Id: ConstantPool.java 386056 2006-03-15 11:31:56Z tcurdt $
* @see Constant
* @see org.apache.bcel.generic.ConstantPoolGen
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ConstantPool implements Cloneable, Node, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private int constant_pool_count;
private Constant[] constant_pool;
/**
* @param constant_pool
* Array of constants
*/
public ConstantPool(Constant[] constant_pool) {
setConstantPool(constant_pool);
}
/**
* Read constants from given file stream.
*
* @param file
* Input stream
* @throws IOException
* @throws ClassFormatException
*/
ConstantPool(DataInputStream file) throws IOException, ClassFormatException {
byte tag;
constant_pool_count = file.readUnsignedShort();
constant_pool = new Constant[constant_pool_count];
/*
* constant_pool[0] is unused by the compiler and may be used freely by
* the implementation.
*/
for (int i = 1; i < constant_pool_count; i++) {
constant_pool[i] = Constant.readConstant(file);
/*
* Quote from the JVM specification: "All eight byte constants take
* up two spots in the constant pool. If this is the n'th byte in
* the constant pool, then the next item will be numbered n+2"
*
* Thus we have to increment the index counter.
*/
tag = constant_pool[i].getTag();
if ((tag == Constants.CONSTANT_Double)
|| (tag == Constants.CONSTANT_Long)) {
i++;
}
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantPool(this);
}
/**
* Resolve constant to a string representation.
*
* @param c
* Constant to be printed
* @return String representation
*/
public String constantToString(Constant c) throws ClassFormatException {
String str;
int i;
byte tag = c.getTag();
switch (tag) {
case Constants.CONSTANT_Class:
i = ((ConstantClass) c).getNameIndex();
c = getConstant(i, Constants.CONSTANT_Utf8);
str = Utility
.compactClassName(((ConstantUtf8) c).getBytes(), false);
break;
case Constants.CONSTANT_String:
i = ((ConstantString) c).getStringIndex();
c = getConstant(i, Constants.CONSTANT_Utf8);
str = "\"" + escape(((ConstantUtf8) c).getBytes()) + "\"";
break;
case Constants.CONSTANT_Utf8:
str = ((ConstantUtf8) c).getBytes();
break;
case Constants.CONSTANT_Double:
str = "" + ((ConstantDouble) c).getBytes();
break;
case Constants.CONSTANT_Float:
str = "" + ((ConstantFloat) c).getBytes();
break;
case Constants.CONSTANT_Long:
str = "" + ((ConstantLong) c).getBytes();
break;
case Constants.CONSTANT_Integer:
str = "" + ((ConstantInteger) c).getBytes();
break;
case Constants.CONSTANT_NameAndType:
str = (constantToString(((ConstantNameAndType) c).getNameIndex(),
Constants.CONSTANT_Utf8) + " " + constantToString(
((ConstantNameAndType) c).getSignatureIndex(),
Constants.CONSTANT_Utf8));
break;
case Constants.CONSTANT_InterfaceMethodref:
case Constants.CONSTANT_Methodref:
case Constants.CONSTANT_Fieldref:
str = (constantToString(((ConstantCP) c).getClassIndex(),
Constants.CONSTANT_Class) + "." + constantToString(
((ConstantCP) c).getNameAndTypeIndex(),
Constants.CONSTANT_NameAndType));
break;
default: // Never reached
throw new RuntimeException("Unknown constant type " + tag);
}
return str;
}
private static final String escape(String str) {
int len = str.length();
StringBuffer buf = new StringBuffer(len + 5);
char[] ch = str.toCharArray();
for (int i = 0; i < len; i++) {
switch (ch[i]) {
case '\n':
buf.append("\\n");
break;
case '\r':
buf.append("\\r");
break;
case '\t':
buf.append("\\t");
break;
case '\b':
buf.append("\\b");
break;
case '"':
buf.append("\\\"");
break;
default:
buf.append(ch[i]);
}
}
return buf.toString();
}
/**
* Retrieve constant at `index' from constant pool and resolve it to a
* string representation.
*
* @param index
* of constant in constant pool
* @param tag
* expected type
* @return String representation
*/
public String constantToString(int index, byte tag)
throws ClassFormatException {
Constant c = getConstant(index, tag);
return constantToString(c);
}
/**
* Dump constant pool to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public void dump(DataOutputStream file) throws IOException {
file.writeShort(constant_pool_count);
for (int i = 1; i < constant_pool_count; i++) {
if (constant_pool[i] != null) {
constant_pool[i].dump(file);
}
}
}
/**
* Get constant from constant pool.
*
* @param index
* Index in constant pool
* @return Constant value
* @see Constant
*/
public Constant getConstant(int index) {
if (index >= constant_pool.length || index < 0) {
throw new ClassFormatException("Invalid constant pool reference: "
+ index + ". Constant pool size is: "
+ constant_pool.length);
}
return constant_pool[index];
}
/**
* Get constant from constant pool and check whether it has the expected
* type.
*
* @param index
* Index in constant pool
* @param tag
* Tag of expected constant, i.e., its type
* @return Constant value
* @see Constant
* @throws ClassFormatException
*/
public Constant getConstant(int index, byte tag)
throws ClassFormatException {
Constant c;
c = getConstant(index);
if (c == null) {
throw new ClassFormatException("Constant pool at index " + index
+ " is null.");
}
if (c.getTag() != tag) {
throw new ClassFormatException("Expected class `"
+ Constants.CONSTANT_NAMES[tag] + "' at index " + index
+ " and got " + c);
}
return c;
}
/**
* @return Array of constants.
* @see Constant
*/
public Constant[] getConstantPool() {
return constant_pool;
}
/**
* Get string from constant pool and bypass the indirection of
* `ConstantClass' and `ConstantString' objects. I.e. these classes have an
* index field that points to another entry of the constant pool of type
* `ConstantUtf8' which contains the real data.
*
* @param index
* Index in constant pool
* @param tag
* Tag of expected constant, either ConstantClass or
* ConstantString
* @return Contents of string reference
* @see ConstantClass
* @see ConstantString
* @throws ClassFormatException
*/
public String getConstantString(int index, byte tag)
throws ClassFormatException {
Constant c;
int i;
c = getConstant(index, tag);
/*
* This switch() is not that elegant, since the two classes have the
* same contents, they just differ in the name of the index field
* variable. But we want to stick to the JVM naming conventions closely
* though we could have solved these more elegantly by using the same
* variable name or by subclassing.
*/
switch (tag) {
case Constants.CONSTANT_Class:
i = ((ConstantClass) c).getNameIndex();
break;
case Constants.CONSTANT_String:
i = ((ConstantString) c).getStringIndex();
break;
default:
throw new RuntimeException(
"getConstantString called with illegal tag " + tag);
}
// Finally get the string from the constant pool
c = getConstant(i, Constants.CONSTANT_Utf8);
return ((ConstantUtf8) c).getBytes();
}
/**
* @return Length of constant pool.
*/
public int getLength() {
return constant_pool_count;
}
/**
* @param constant
* Constant to set
*/
public void setConstant(int index, Constant constant) {
constant_pool[index] = constant;
}
/**
* @param constant_pool
*/
public void setConstantPool(Constant[] constant_pool) {
this.constant_pool = constant_pool;
constant_pool_count = (constant_pool == null) ? 0
: constant_pool.length;
}
/**
* @return String representation.
*/
@Override
public String toString() {
StringBuffer buf = new StringBuffer();
for (int i = 1; i < constant_pool_count; i++) {
buf.append(i).append(")").append(constant_pool[i]).append("\n");
}
return buf.toString();
}
/**
* @return deep copy of this constant pool
*/
public ConstantPool copy() {
ConstantPool c = null;
try {
c = (ConstantPool) clone();
c.constant_pool = new Constant[constant_pool_count];
for (int i = 1; i < constant_pool_count; i++) {
if (constant_pool[i] != null) {
c.constant_pool[i] = constant_pool[i].copy();
}
}
} catch (CloneNotSupportedException e) {
}
return c;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to a String object.
*
* @version $Id: ConstantString.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantString extends Constant implements ConstantObject {
/**
*
*/
private static final long serialVersionUID = 1L;
private int string_index; // Identical to ConstantClass except for this name
/**
* Initialize from another object.
*/
public ConstantString(ConstantString c) {
this(c.getStringIndex());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantString(DataInputStream file) throws IOException {
this(file.readUnsignedShort());
}
/**
* @param string_index
* Index of Constant_Utf8 in constant pool
*/
public ConstantString(int string_index) {
super(Constants.CONSTANT_String);
this.string_index = string_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantString(this);
}
/**
* Dump constant field reference to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeShort(string_index);
}
/**
* @return Index in constant pool of the string (ConstantUtf8).
*/
public final int getStringIndex() {
return string_index;
}
/**
* @param string_index
* the index into the constant of the string value
*/
public final void setStringIndex(int string_index) {
this.string_index = string_index;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(string_index = " + string_index + ")";
}
/**
* @return String object
*/
@Override
public Object getConstantValue(ConstantPool cp) {
Constant c = cp.getConstant(string_index, Constants.CONSTANT_Utf8);
return ((ConstantUtf8) c).getBytes();
}
/**
* @return dereferenced string
*/
public String getBytes(ConstantPool cp) {
return (String) getConstantValue(cp);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from the abstract <A
* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
* represents a reference to a Utf8 encoded string.
*
* @version $Id: ConstantUtf8.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantUtf8 extends Constant {
/**
*
*/
private static final long serialVersionUID = 1L;
private String bytes;
/**
* Initialize from another object.
*/
public ConstantUtf8(ConstantUtf8 c) {
this(c.getBytes());
}
/**
* Initialize instance from file data.
*
* @param file
* Input stream
* @throws IOException
*/
ConstantUtf8(DataInputStream file) throws IOException {
super(Constants.CONSTANT_Utf8);
bytes = file.readUTF();
}
/**
* @param bytes
* Data
*/
public ConstantUtf8(String bytes) {
super(Constants.CONSTANT_Utf8);
if (bytes == null) {
throw new IllegalArgumentException("bytes must not be null!");
}
this.bytes = bytes;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantUtf8(this);
}
/**
* Dump String in Utf8 format to file stream.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(tag);
file.writeUTF(bytes);
}
/**
* @return Data converted to string.
*/
public final String getBytes() {
return bytes;
}
/**
* @param bytes
* the raw bytes of this Utf-8
*/
public final void setBytes(String bytes) {
this.bytes = bytes;
}
/**
* @return String representation
*/
@Override
public final String toString() {
return super.toString() + "(\"" + Utility.replace(bytes, "\n", "\\n")
+ "\")";
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and represents a constant
* value, i.e., a default value for initializing a class field. This class is
* instantiated by the <em>Attribute.readAttribute()</em> method.
*
* @version $Id: ConstantValue.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class ConstantValue extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int constantvalue_index;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public ConstantValue(ConstantValue c) {
this(c.getNameIndex(), c.getLength(), c.getConstantValueIndex(), c
.getConstantPool());
}
/**
* Construct object from file stream.
*
* @param name_index
* Name index in constant pool
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
ConstantValue(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, file.readUnsignedShort(), constant_pool);
}
/**
* @param name_index
* Name index in constant pool
* @param length
* Content length in bytes
* @param constantvalue_index
* Index in constant pool
* @param constant_pool
* Array of constants
*/
public ConstantValue(int name_index, int length, int constantvalue_index,
ConstantPool constant_pool) {
super(Constants.ATTR_CONSTANT_VALUE, name_index, length, constant_pool);
this.constantvalue_index = constantvalue_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitConstantValue(this);
}
/**
* Dump constant value attribute to file stream on binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(constantvalue_index);
}
/**
* @return Index in constant pool of constant value.
*/
public final int getConstantValueIndex() {
return constantvalue_index;
}
/**
* @param constantvalue_index
* the index info the constant pool of this constant value
*/
public final void setConstantValueIndex(int constantvalue_index) {
this.constantvalue_index = constantvalue_index;
}
/**
* @return String representation of constant value.
*/
@Override
public final String toString() {
Constant c = constant_pool.getConstant(constantvalue_index);
String buf;
int i;
// Print constant to string depending on its type
switch (c.getTag()) {
case Constants.CONSTANT_Long:
buf = "" + ((ConstantLong) c).getBytes();
break;
case Constants.CONSTANT_Float:
buf = "" + ((ConstantFloat) c).getBytes();
break;
case Constants.CONSTANT_Double:
buf = "" + ((ConstantDouble) c).getBytes();
break;
case Constants.CONSTANT_Integer:
buf = "" + ((ConstantInteger) c).getBytes();
break;
case Constants.CONSTANT_String:
i = ((ConstantString) c).getStringIndex();
c = constant_pool.getConstant(i, Constants.CONSTANT_Utf8);
buf = "\"" + Utility.convertString(((ConstantUtf8) c).getBytes())
+ "\"";
break;
default:
throw new IllegalStateException("Type of ConstValue invalid: " + c);
}
return buf;
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
ConstantValue c = (ConstantValue) clone();
c.constant_pool = _constant_pool;
return c;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and denotes that this is a
* deprecated method. It is instantiated from the
* <em>Attribute.readAttribute()</em> method.
*
* @version $Id: Deprecated.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class Deprecated extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private byte[] bytes;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public Deprecated(Deprecated c) {
this(c.getNameIndex(), c.getLength(), c.getBytes(), c.getConstantPool());
}
/**
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param bytes
* Attribute contents
* @param constant_pool
* Array of constants
*/
public Deprecated(int name_index, int length, byte[] bytes,
ConstantPool constant_pool) {
super(Constants.ATTR_DEPRECATED, name_index, length, constant_pool);
this.bytes = bytes;
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
Deprecated(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (byte[]) null, constant_pool);
if (length > 0) {
bytes = new byte[length];
file.readFully(bytes);
System.err.println("Deprecated attribute with length > 0");
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitDeprecated(this);
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
if (length > 0) {
file.write(bytes, 0, length);
}
}
/**
* @return data bytes.
*/
public final byte[] getBytes() {
return bytes;
}
/**
* @param bytes
* the raw bytes that represents this byte array
*/
public final void setBytes(byte[] bytes) {
this.bytes = bytes;
}
/**
* @return attribute name
*/
@Override
public final String toString() {
return Constants.ATTRIBUTE_NAMES[Constants.ATTR_DEPRECATED];
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
Deprecated c = (Deprecated) clone();
if (bytes != null) {
c.bytes = new byte[bytes.length];
System.arraycopy(bytes, 0, c.bytes, 0, bytes.length);
}
c.constant_pool = _constant_pool;
return c;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.util.Stack;
/**
* Traverses a JavaClass with another Visitor object 'piggy-backed' that is
* applied to all components of a JavaClass object. I.e. this class supplies the
* traversal strategy, other classes can make use of it.
*
* @version $Id: DescendingVisitor.java 388707 2006-03-25 05:40:28Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DescendingVisitor implements Visitor {
private JavaClass clazz;
private Visitor visitor;
private Stack<Cloneable> stack = new Stack<Cloneable>();
/**
* @return container of current entitity, i.e., predecessor during traversal
*/
public Object predecessor() {
return predecessor(0);
}
/**
* @param level
* nesting level, i.e., 0 returns the direct predecessor
* @return container of current entitity, i.e., predecessor during traversal
*/
public Object predecessor(int level) {
int size = stack.size();
if ((size < 2) || (level < 0)) {
return null;
} else {
return stack.elementAt(size - (level + 2)); // size - 1 == current
}
}
/**
* @return current object
*/
public Object current() {
return stack.peek();
}
/**
* @param clazz
* Class to traverse
* @param visitor
* visitor object to apply to all components
*/
public DescendingVisitor(JavaClass clazz, Visitor visitor) {
this.clazz = clazz;
this.visitor = visitor;
}
/**
* Start traversal.
*/
public void visit() {
clazz.accept(this);
}
@Override
public void visitJavaClass(JavaClass _clazz) {
stack.push(_clazz);
_clazz.accept(visitor);
Field[] fields = _clazz.getFields();
for (int i = 0; i < fields.length; i++) {
fields[i].accept(this);
}
Method[] methods = _clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
methods[i].accept(this);
}
Attribute[] attributes = _clazz.getAttributes();
for (int i = 0; i < attributes.length; i++) {
attributes[i].accept(this);
}
_clazz.getConstantPool().accept(this);
stack.pop();
}
@Override
public void visitField(Field field) {
stack.push(field);
field.accept(visitor);
Attribute[] attributes = field.getAttributes();
for (int i = 0; i < attributes.length; i++) {
attributes[i].accept(this);
}
stack.pop();
}
@Override
public void visitConstantValue(ConstantValue cv) {
stack.push(cv);
cv.accept(visitor);
stack.pop();
}
@Override
public void visitMethod(Method method) {
stack.push(method);
method.accept(visitor);
Attribute[] attributes = method.getAttributes();
for (int i = 0; i < attributes.length; i++) {
attributes[i].accept(this);
}
stack.pop();
}
@Override
public void visitExceptionTable(ExceptionTable table) {
stack.push(table);
table.accept(visitor);
stack.pop();
}
@Override
public void visitCode(Code code) {
stack.push(code);
code.accept(visitor);
CodeException[] table = code.getExceptionTable();
for (int i = 0; i < table.length; i++) {
table[i].accept(this);
}
Attribute[] attributes = code.getAttributes();
for (int i = 0; i < attributes.length; i++) {
attributes[i].accept(this);
}
stack.pop();
}
@Override
public void visitCodeException(CodeException ce) {
stack.push(ce);
ce.accept(visitor);
stack.pop();
}
@Override
public void visitLineNumberTable(LineNumberTable table) {
stack.push(table);
table.accept(visitor);
LineNumber[] numbers = table.getLineNumberTable();
for (int i = 0; i < numbers.length; i++) {
numbers[i].accept(this);
}
stack.pop();
}
@Override
public void visitLineNumber(LineNumber number) {
stack.push(number);
number.accept(visitor);
stack.pop();
}
@Override
public void visitLocalVariableTable(LocalVariableTable table) {
stack.push(table);
table.accept(visitor);
LocalVariable[] vars = table.getLocalVariableTable();
for (int i = 0; i < vars.length; i++) {
vars[i].accept(this);
}
stack.pop();
}
@Override
public void visitStackMap(StackMap table) {
stack.push(table);
table.accept(visitor);
StackMapEntry[] vars = table.getStackMap();
for (int i = 0; i < vars.length; i++) {
vars[i].accept(this);
}
stack.pop();
}
@Override
public void visitStackMapEntry(StackMapEntry var) {
stack.push(var);
var.accept(visitor);
stack.pop();
}
@Override
public void visitLocalVariable(LocalVariable var) {
stack.push(var);
var.accept(visitor);
stack.pop();
}
@Override
public void visitConstantPool(ConstantPool cp) {
stack.push(cp);
cp.accept(visitor);
Constant[] constants = cp.getConstantPool();
for (int i = 1; i < constants.length; i++) {
if (constants[i] != null) {
constants[i].accept(this);
}
}
stack.pop();
}
@Override
public void visitConstantClass(ConstantClass constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantDouble(ConstantDouble constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantFieldref(ConstantFieldref constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantFloat(ConstantFloat constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantInteger(ConstantInteger constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantInterfaceMethodref(
ConstantInterfaceMethodref constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantLong(ConstantLong constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantMethodref(ConstantMethodref constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantNameAndType(ConstantNameAndType constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantString(ConstantString constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitConstantUtf8(ConstantUtf8 constant) {
stack.push(constant);
constant.accept(visitor);
stack.pop();
}
@Override
public void visitInnerClasses(InnerClasses ic) {
stack.push(ic);
ic.accept(visitor);
InnerClass[] ics = ic.getInnerClasses();
for (int i = 0; i < ics.length; i++) {
ics[i].accept(this);
}
stack.pop();
}
@Override
public void visitInnerClass(InnerClass inner) {
stack.push(inner);
inner.accept(visitor);
stack.pop();
}
@Override
public void visitDeprecated(Deprecated attribute) {
stack.push(attribute);
attribute.accept(visitor);
stack.pop();
}
@Override
public void visitSignature(Signature attribute) {
stack.push(attribute);
attribute.accept(visitor);
stack.pop();
}
@Override
public void visitSourceFile(SourceFile attribute) {
stack.push(attribute);
attribute.accept(visitor);
stack.pop();
}
@Override
public void visitSynthetic(Synthetic attribute) {
stack.push(attribute);
attribute.accept(visitor);
stack.pop();
}
@Override
public void visitUnknown(Unknown attribute) {
stack.push(attribute);
attribute.accept(visitor);
stack.pop();
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
/**
* Visitor with empty method bodies, can be extended and used in conjunction
* with the DescendingVisitor class, e.g.
*
* By courtesy of David Spencer.
*
* @see DescendingVisitor
* @version $Id: EmptyVisitor.java 388707 2006-03-25 05:40:28Z tcurdt $
*
*/
public class EmptyVisitor implements Visitor {
protected EmptyVisitor() {
}
@Override
public void visitCode(Code obj) {
}
@Override
public void visitCodeException(CodeException obj) {
}
@Override
public void visitConstantClass(ConstantClass obj) {
}
@Override
public void visitConstantDouble(ConstantDouble obj) {
}
@Override
public void visitConstantFieldref(ConstantFieldref obj) {
}
@Override
public void visitConstantFloat(ConstantFloat obj) {
}
@Override
public void visitConstantInteger(ConstantInteger obj) {
}
@Override
public void visitConstantInterfaceMethodref(ConstantInterfaceMethodref obj) {
}
@Override
public void visitConstantLong(ConstantLong obj) {
}
@Override
public void visitConstantMethodref(ConstantMethodref obj) {
}
@Override
public void visitConstantNameAndType(ConstantNameAndType obj) {
}
@Override
public void visitConstantPool(ConstantPool obj) {
}
@Override
public void visitConstantString(ConstantString obj) {
}
@Override
public void visitConstantUtf8(ConstantUtf8 obj) {
}
@Override
public void visitConstantValue(ConstantValue obj) {
}
@Override
public void visitDeprecated(Deprecated obj) {
}
@Override
public void visitExceptionTable(ExceptionTable obj) {
}
@Override
public void visitField(Field obj) {
}
@Override
public void visitInnerClass(InnerClass obj) {
}
@Override
public void visitInnerClasses(InnerClasses obj) {
}
@Override
public void visitJavaClass(JavaClass obj) {
}
@Override
public void visitLineNumber(LineNumber obj) {
}
@Override
public void visitLineNumberTable(LineNumberTable obj) {
}
@Override
public void visitLocalVariable(LocalVariable obj) {
}
@Override
public void visitLocalVariableTable(LocalVariableTable obj) {
}
@Override
public void visitMethod(Method obj) {
}
@Override
public void visitSignature(Signature obj) {
}
@Override
public void visitSourceFile(SourceFile obj) {
}
@Override
public void visitSynthetic(Synthetic obj) {
}
@Override
public void visitUnknown(Unknown obj) {
}
@Override
public void visitStackMap(StackMap obj) {
}
@Override
public void visitStackMapEntry(StackMapEntry obj) {
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents the table of exceptions that are thrown by a method.
* This attribute may be used once per method. The name of this class is
* <em>ExceptionTable</em> for historical reasons; The Java Virtual Machine
* Specification, Second Edition defines this attribute using the name
* <em>Exceptions</em> (which is inconsistent with the other classes).
*
* @version $Id: ExceptionTable.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Code
*/
public final class ExceptionTable extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int number_of_exceptions; // Table of indices into
private int[] exception_index_table; // constant pool
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use copy() for a physical copy.
*/
public ExceptionTable(ExceptionTable c) {
this(c.getNameIndex(), c.getLength(), c.getExceptionIndexTable(), c
.getConstantPool());
}
/**
* @param name_index
* Index in constant pool
* @param length
* Content length in bytes
* @param exception_index_table
* Table of indices in constant pool
* @param constant_pool
* Array of constants
*/
public ExceptionTable(int name_index, int length,
int[] exception_index_table, ConstantPool constant_pool) {
super(Constants.ATTR_EXCEPTIONS, name_index, length, constant_pool);
setExceptionIndexTable(exception_index_table);
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
ExceptionTable(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (int[]) null, constant_pool);
number_of_exceptions = file.readUnsignedShort();
exception_index_table = new int[number_of_exceptions];
for (int i = 0; i < number_of_exceptions; i++) {
exception_index_table[i] = file.readUnsignedShort();
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitExceptionTable(this);
}
/**
* Dump exceptions attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(number_of_exceptions);
for (int i = 0; i < number_of_exceptions; i++) {
file.writeShort(exception_index_table[i]);
}
}
/**
* @return Array of indices into constant pool of thrown exceptions.
*/
public final int[] getExceptionIndexTable() {
return exception_index_table;
}
/**
* @return Length of exception table.
*/
public final int getNumberOfExceptions() {
return number_of_exceptions;
}
/**
* @return class names of thrown exceptions
*/
public final String[] getExceptionNames() {
String[] names = new String[number_of_exceptions];
for (int i = 0; i < number_of_exceptions; i++) {
names[i] = constant_pool.getConstantString(
exception_index_table[i], Constants.CONSTANT_Class)
.replace('/', '.');
}
return names;
}
/**
* @param exception_index_table
* the list of exception indexes Also redefines
* number_of_exceptions according to table length.
*/
public final void setExceptionIndexTable(int[] exception_index_table) {
this.exception_index_table = exception_index_table;
number_of_exceptions = (exception_index_table == null) ? 0
: exception_index_table.length;
}
/**
* @return String representation, i.e., a list of thrown exceptions.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer("");
String str;
for (int i = 0; i < number_of_exceptions; i++) {
str = constant_pool.getConstantString(exception_index_table[i],
Constants.CONSTANT_Class);
buf.append(Utility.compactClassName(str, false));
if (i < number_of_exceptions - 1) {
buf.append(", ");
}
}
return buf.toString();
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
ExceptionTable c = (ExceptionTable) clone();
if (exception_index_table != null) {
c.exception_index_table = new int[exception_index_table.length];
System.arraycopy(exception_index_table, 0, c.exception_index_table,
0, exception_index_table.length);
}
c.constant_pool = _constant_pool;
return c;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
import org.apache.bcel.generic.Type;
import org.apache.bcel.util.BCELComparator;
/**
* This class represents the field info structure, i.e., the representation for
* a variable in the class. See JVM specification for details.
*
* @version $Id: Field.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class Field extends FieldOrMethod {
/**
*
*/
private static final long serialVersionUID = 1L;
private static BCELComparator _cmp = new BCELComparator() {
@Override
public boolean equals(Object o1, Object o2) {
Field THIS = (Field) o1;
Field THAT = (Field) o2;
return THIS.getName().equals(THAT.getName())
&& THIS.getSignature().equals(THAT.getSignature());
}
@Override
public int hashCode(Object o) {
Field THIS = (Field) o;
return THIS.getSignature().hashCode() ^ THIS.getName().hashCode();
}
};
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public Field(Field c) {
super(c);
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
*/
Field(DataInputStream file, ConstantPool constant_pool) throws IOException,
ClassFormatException {
super(file, constant_pool);
}
/**
* @param access_flags
* Access rights of field
* @param name_index
* Points to field name in constant pool
* @param signature_index
* Points to encoded signature
* @param attributes
* Collection of attributes
* @param constant_pool
* Array of constants
*/
public Field(int access_flags, int name_index, int signature_index,
Attribute[] attributes, ConstantPool constant_pool) {
super(access_flags, name_index, signature_index, attributes,
constant_pool);
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitField(this);
}
/**
* @return constant value associated with this field (may be null)
*/
public final ConstantValue getConstantValue() {
for (int i = 0; i < attributes_count; i++) {
if (attributes[i].getTag() == Constants.ATTR_CONSTANT_VALUE) {
return (ConstantValue) attributes[i];
}
}
return null;
}
/**
* Return string representation close to declaration format, `public static
* final short MAX = 100', e.g..
*
* @return String representation of field, including the signature.
*/
@Override
public final String toString() {
String name, signature, access; // Short cuts to constant pool
// Get names from constant pool
access = Utility.accessToString(access_flags);
access = access.equals("") ? "" : (access + " ");
signature = Utility.signatureToString(getSignature());
name = getName();
StringBuffer buf = new StringBuffer(64);
buf.append(access).append(signature).append(" ").append(name);
ConstantValue cv = getConstantValue();
if (cv != null) {
buf.append(" = ").append(cv);
}
for (int i = 0; i < attributes_count; i++) {
Attribute a = attributes[i];
if (!(a instanceof ConstantValue)) {
buf.append(" [").append(a.toString()).append("]");
}
}
return buf.toString();
}
/**
* @return deep copy of this field
*/
public final Field copy(ConstantPool _constant_pool) {
return (Field) copy_(_constant_pool);
}
/**
* @return type of field
*/
public Type getType() {
return Type.getReturnType(getSignature());
}
/**
* @return Comparison strategy object
*/
public static BCELComparator getComparator() {
return _cmp;
}
/**
* @param comparator
* Comparison strategy object
*/
public static void setComparator(BCELComparator comparator) {
_cmp = comparator;
}
/**
* Return value as defined by given BCELComparator strategy. By default two
* Field objects are said to be equal when their names and signatures are
* equal.
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return _cmp.equals(this, obj);
}
/**
* Return value as defined by given BCELComparator strategy. By default
* return the hashcode of the field's name XOR signature.
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return _cmp.hashCode(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* Abstract super class for fields and methods.
*
* @version $Id: FieldOrMethod.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class FieldOrMethod extends AccessFlags implements Cloneable,
Node {
/**
*
*/
private static final long serialVersionUID = 1L;
protected int name_index; // Points to field name in constant pool
protected int signature_index; // Points to encoded signature
protected int attributes_count; // No. of attributes
protected Attribute[] attributes; // Collection of attributes
protected ConstantPool constant_pool;
FieldOrMethod() {
}
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
protected FieldOrMethod(FieldOrMethod c) {
this(c.getAccessFlags(), c.getNameIndex(), c.getSignatureIndex(), c
.getAttributes(), c.getConstantPool());
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
* @throws ClassFormatException
*/
protected FieldOrMethod(DataInputStream file, ConstantPool constant_pool)
throws IOException, ClassFormatException {
this(file.readUnsignedShort(), file.readUnsignedShort(), file
.readUnsignedShort(), null, constant_pool);
attributes_count = file.readUnsignedShort();
attributes = new Attribute[attributes_count];
for (int i = 0; i < attributes_count; i++) {
attributes[i] = Attribute.readAttribute(file, constant_pool);
}
}
/**
* @param access_flags
* Access rights of method
* @param name_index
* Points to field name in constant pool
* @param signature_index
* Points to encoded signature
* @param attributes
* Collection of attributes
* @param constant_pool
* Array of constants
*/
protected FieldOrMethod(int access_flags, int name_index,
int signature_index, Attribute[] attributes,
ConstantPool constant_pool) {
this.access_flags = access_flags;
this.name_index = name_index;
this.signature_index = signature_index;
this.constant_pool = constant_pool;
setAttributes(attributes);
}
/**
* Dump object to file stream on binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeShort(access_flags);
file.writeShort(name_index);
file.writeShort(signature_index);
file.writeShort(attributes_count);
for (int i = 0; i < attributes_count; i++) {
attributes[i].dump(file);
}
}
/**
* @return Collection of object attributes.
*/
public final Attribute[] getAttributes() {
return attributes;
}
/**
* @param attributes
* Collection of object attributes.
*/
public final void setAttributes(Attribute[] attributes) {
this.attributes = attributes;
attributes_count = (attributes == null) ? 0 : attributes.length;
}
/**
* @return Constant pool used by this object.
*/
public final ConstantPool getConstantPool() {
return constant_pool;
}
/**
* @param constant_pool
* Constant pool to be used for this object.
*/
public final void setConstantPool(ConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
/**
* @return Index in constant pool of object's name.
*/
public final int getNameIndex() {
return name_index;
}
/**
* @param name_index
* Index in constant pool of object's name.
*/
public final void setNameIndex(int name_index) {
this.name_index = name_index;
}
/**
* @return Index in constant pool of field signature.
*/
public final int getSignatureIndex() {
return signature_index;
}
/**
* @param signature_index
* Index in constant pool of field signature.
*/
public final void setSignatureIndex(int signature_index) {
this.signature_index = signature_index;
}
/**
* @return Name of object, i.e., method name or field name
*/
public final String getName() {
ConstantUtf8 c;
c = (ConstantUtf8) constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return String representation of object's type signature (java style)
*/
public final String getSignature() {
ConstantUtf8 c;
c = (ConstantUtf8) constant_pool.getConstant(signature_index,
Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return deep copy of this field
*/
protected FieldOrMethod copy_(ConstantPool _constant_pool) {
try {
FieldOrMethod c = (FieldOrMethod) clone();
c.constant_pool = _constant_pool;
c.attributes = new Attribute[attributes_count];
for (int i = 0; i < attributes_count; i++) {
c.attributes[i] = attributes[i].copy(_constant_pool);
}
return c;
} catch (CloneNotSupportedException e) {
return null;
}
}
}

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@ -1,215 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
import org.apache.bcel.Constants;
/**
* This class represents a inner class attribute, i.e., the class indices of the
* inner and outer classes, the name and the attributes of the inner class.
*
* @version $Id: InnerClass.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see InnerClasses
*/
public final class InnerClass implements Cloneable, Node, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private int inner_class_index;
private int outer_class_index;
private int inner_name_index;
private int inner_access_flags;
/**
* Initialize from another object.
*/
public InnerClass(InnerClass c) {
this(c.getInnerClassIndex(), c.getOuterClassIndex(), c
.getInnerNameIndex(), c.getInnerAccessFlags());
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
*/
InnerClass(DataInputStream file) throws IOException {
this(file.readUnsignedShort(), file.readUnsignedShort(), file
.readUnsignedShort(), file.readUnsignedShort());
}
/**
* @param inner_class_index
* Class index in constant pool of inner class
* @param outer_class_index
* Class index in constant pool of outer class
* @param inner_name_index
* Name index in constant pool of inner class
* @param inner_access_flags
* Access flags of inner class
*/
public InnerClass(int inner_class_index, int outer_class_index,
int inner_name_index, int inner_access_flags) {
this.inner_class_index = inner_class_index;
this.outer_class_index = outer_class_index;
this.inner_name_index = inner_name_index;
this.inner_access_flags = inner_access_flags;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitInnerClass(this);
}
/**
* Dump inner class attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeShort(inner_class_index);
file.writeShort(outer_class_index);
file.writeShort(inner_name_index);
file.writeShort(inner_access_flags);
}
/**
* @return access flags of inner class.
*/
public final int getInnerAccessFlags() {
return inner_access_flags;
}
/**
* @return class index of inner class.
*/
public final int getInnerClassIndex() {
return inner_class_index;
}
/**
* @return name index of inner class.
*/
public final int getInnerNameIndex() {
return inner_name_index;
}
/**
* @return class index of outer class.
*/
public final int getOuterClassIndex() {
return outer_class_index;
}
/**
* @param inner_access_flags
* access flags for this inner class
*/
public final void setInnerAccessFlags(int inner_access_flags) {
this.inner_access_flags = inner_access_flags;
}
/**
* @param inner_class_index
* index into the constant pool for this class
*/
public final void setInnerClassIndex(int inner_class_index) {
this.inner_class_index = inner_class_index;
}
/**
* @param inner_name_index
* index into the constant pool for this class's name
*/
public final void setInnerNameIndex(int inner_name_index) {
this.inner_name_index = inner_name_index;
}
/**
* @param outer_class_index
* index into the constant pool for the owning class
*/
public final void setOuterClassIndex(int outer_class_index) {
this.outer_class_index = outer_class_index;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return "InnerClass(" + inner_class_index + ", " + outer_class_index
+ ", " + inner_name_index + ", " + inner_access_flags + ")";
}
/**
* @return Resolved string representation
*/
public final String toString(ConstantPool constant_pool) {
String inner_class_name, outer_class_name, inner_name, access;
inner_class_name = constant_pool.getConstantString(inner_class_index,
Constants.CONSTANT_Class);
inner_class_name = Utility.compactClassName(inner_class_name);
if (outer_class_index != 0) {
outer_class_name = constant_pool.getConstantString(
outer_class_index, Constants.CONSTANT_Class);
outer_class_name = Utility.compactClassName(outer_class_name);
} else {
outer_class_name = "<not a member>";
}
if (inner_name_index != 0) {
inner_name = ((ConstantUtf8) constant_pool.getConstant(
inner_name_index, Constants.CONSTANT_Utf8)).getBytes();
} else {
inner_name = "<anonymous>";
}
access = Utility.accessToString(inner_access_flags, true);
access = access.equals("") ? "" : (access + " ");
return "InnerClass:" + access + inner_class_name + "(\""
+ outer_class_name + "\", \"" + inner_name + "\")";
}
/**
* @return deep copy of this object
*/
public InnerClass copy() {
try {
return (InnerClass) clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and denotes that this class is
* an Inner class of another. to the source file of this class. It is
* instantiated from the <em>Attribute.readAttribute()</em> method.
*
* @version $Id: InnerClasses.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class InnerClasses extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private InnerClass[] inner_classes;
private int number_of_classes;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public InnerClasses(InnerClasses c) {
this(c.getNameIndex(), c.getLength(), c.getInnerClasses(), c
.getConstantPool());
}
/**
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param inner_classes
* array of inner classes attributes
* @param constant_pool
* Array of constants
*/
public InnerClasses(int name_index, int length, InnerClass[] inner_classes,
ConstantPool constant_pool) {
super(Constants.ATTR_INNER_CLASSES, name_index, length, constant_pool);
setInnerClasses(inner_classes);
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
InnerClasses(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (InnerClass[]) null, constant_pool);
number_of_classes = file.readUnsignedShort();
inner_classes = new InnerClass[number_of_classes];
for (int i = 0; i < number_of_classes; i++) {
inner_classes[i] = new InnerClass(file);
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitInnerClasses(this);
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(number_of_classes);
for (int i = 0; i < number_of_classes; i++) {
inner_classes[i].dump(file);
}
}
/**
* @return array of inner class "records"
*/
public final InnerClass[] getInnerClasses() {
return inner_classes;
}
/**
* @param inner_classes
* the array of inner classes
*/
public final void setInnerClasses(InnerClass[] inner_classes) {
this.inner_classes = inner_classes;
number_of_classes = (inner_classes == null) ? 0 : inner_classes.length;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < number_of_classes; i++) {
buf.append(inner_classes[i].toString(constant_pool)).append("\n");
}
return buf.toString();
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
InnerClasses c = (InnerClasses) clone();
c.inner_classes = new InnerClass[number_of_classes];
for (int i = 0; i < number_of_classes; i++) {
c.inner_classes[i] = inner_classes[i].copy();
}
c.constant_pool = _constant_pool;
return c;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
import org.apache.bcel.Constants;
import org.apache.bcel.generic.Type;
import org.apache.bcel.util.BCELComparator;
import org.apache.bcel.util.ClassQueue;
import org.apache.bcel.util.SyntheticRepository;
/**
* Represents a Java class, i.e., the data structures, constant pool, fields,
* methods and commands contained in a Java .class file. See <a
* href="ftp://java.sun.com/docs/specs/">JVM specification</a> for details. The
* intent of this class is to represent a parsed or otherwise existing class
* file. Those interested in programatically generating classes should see the
* <a href="../generic/ClassGen.html">ClassGen</a> class.
*
* @version $Id: JavaClass.java 386056 2006-03-15 11:31:56Z tcurdt $
* @see org.apache.bcel.generic.ClassGen
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class JavaClass extends AccessFlags implements Cloneable, Node,
Comparable<Object> {
/**
*
*/
private static final long serialVersionUID = 1L;
private String file_name;
private String package_name;
private String source_file_name = "<Unknown>";
private int class_name_index;
private int superclass_name_index;
private String class_name;
private String superclass_name;
private int major, minor; // Compiler version
private ConstantPool constant_pool; // Constant pool
private int[] interfaces; // implemented interfaces
private String[] interface_names;
private Field[] fields; // Fields, i.e., variables of class
private Method[] methods; // methods defined in the class
private Attribute[] attributes; // attributes defined in the class
private byte source = HEAP; // Generated in memory
public static final byte HEAP = 1;
public static final byte FILE = 2;
public static final byte ZIP = 3;
static boolean debug = false; // Debugging on/off
static char sep = '/'; // directory separator
private static BCELComparator _cmp = new BCELComparator() {
@Override
public boolean equals(Object o1, Object o2) {
JavaClass THIS = (JavaClass) o1;
JavaClass THAT = (JavaClass) o2;
return THIS.getClassName().equals(THAT.getClassName());
}
@Override
public int hashCode(Object o) {
JavaClass THIS = (JavaClass) o;
return THIS.getClassName().hashCode();
}
};
/**
* In cases where we go ahead and create something, use the default
* SyntheticRepository, because we don't know any better.
*/
private transient org.apache.bcel.util.Repository repository = SyntheticRepository
.getInstance();
/**
* Constructor gets all contents as arguments.
*
* @param class_name_index
* Index into constant pool referencing a ConstantClass that
* represents this class.
* @param superclass_name_index
* Index into constant pool referencing a ConstantClass that
* represents this class's superclass.
* @param file_name
* File name
* @param major
* Major compiler version
* @param minor
* Minor compiler version
* @param access_flags
* Access rights defined by bit flags
* @param constant_pool
* Array of constants
* @param interfaces
* Implemented interfaces
* @param fields
* Class fields
* @param methods
* Class methods
* @param attributes
* Class attributes
* @param source
* Read from file or generated in memory?
*/
public JavaClass(int class_name_index, int superclass_name_index,
String file_name, int major, int minor, int access_flags,
ConstantPool constant_pool, int[] interfaces, Field[] fields,
Method[] methods, Attribute[] attributes, byte source) {
if (interfaces == null) {
interfaces = new int[0];
}
if (attributes == null) {
attributes = new Attribute[0];
}
if (fields == null) {
fields = new Field[0];
}
if (methods == null) {
methods = new Method[0];
}
this.class_name_index = class_name_index;
this.superclass_name_index = superclass_name_index;
this.file_name = file_name;
this.major = major;
this.minor = minor;
this.access_flags = access_flags;
this.constant_pool = constant_pool;
this.interfaces = interfaces;
this.fields = fields;
this.methods = methods;
this.attributes = attributes;
this.source = source;
// Get source file name if available
for (int i = 0; i < attributes.length; i++) {
if (attributes[i] instanceof SourceFile) {
source_file_name = ((SourceFile) attributes[i])
.getSourceFileName();
break;
}
}
/*
* According to the specification the following entries must be of type
* `ConstantClass' but we check that anyway via the
* `ConstPool.getConstant' method.
*/
class_name = constant_pool.getConstantString(class_name_index,
Constants.CONSTANT_Class);
class_name = Utility.compactClassName(class_name, false);
int index = class_name.lastIndexOf('.');
if (index < 0) {
package_name = "";
} else {
package_name = class_name.substring(0, index);
}
if (superclass_name_index > 0) {
// May be zero -> class is java.lang.Object
superclass_name = constant_pool.getConstantString(
superclass_name_index, Constants.CONSTANT_Class);
superclass_name = Utility.compactClassName(superclass_name, false);
} else {
superclass_name = "java.lang.Object";
}
interface_names = new String[interfaces.length];
for (int i = 0; i < interfaces.length; i++) {
String str = constant_pool.getConstantString(interfaces[i],
Constants.CONSTANT_Class);
interface_names[i] = Utility.compactClassName(str, false);
}
}
/**
* Constructor gets all contents as arguments.
*
* @param class_name_index
* Class name
* @param superclass_name_index
* Superclass name
* @param file_name
* File name
* @param major
* Major compiler version
* @param minor
* Minor compiler version
* @param access_flags
* Access rights defined by bit flags
* @param constant_pool
* Array of constants
* @param interfaces
* Implemented interfaces
* @param fields
* Class fields
* @param methods
* Class methods
* @param attributes
* Class attributes
*/
public JavaClass(int class_name_index, int superclass_name_index,
String file_name, int major, int minor, int access_flags,
ConstantPool constant_pool, int[] interfaces, Field[] fields,
Method[] methods, Attribute[] attributes) {
this(class_name_index, superclass_name_index, file_name, major, minor,
access_flags, constant_pool, interfaces, fields, methods,
attributes, HEAP);
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitJavaClass(this);
}
/*
* Print debug information depending on `JavaClass.debug'
*/
static final void Debug(String str) {
if (debug) {
System.out.println(str);
}
}
/**
* Dump class to a file.
*
* @param file
* Output file
* @throws IOException
*/
public void dump(File file) throws IOException {
String parent = file.getParent();
if (parent != null) {
File dir = new File(parent);
dir.mkdirs();
}
DataOutputStream dos = null;
try {
dos = new DataOutputStream(new FileOutputStream(file));
dump(dos);
} finally {
if (dos != null) {
dos.close();
}
}
}
/**
* Dump class to a file named file_name.
*
* @param _file_name
* Output file name
* @exception IOException
*/
public void dump(String _file_name) throws IOException {
dump(new File(_file_name));
}
/**
* @return class in binary format
*/
public byte[] getBytes() {
ByteArrayOutputStream s = new ByteArrayOutputStream();
DataOutputStream ds = new DataOutputStream(s);
try {
dump(ds);
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
ds.close();
} catch (IOException e2) {
e2.printStackTrace();
}
}
return s.toByteArray();
}
/**
* Dump Java class to output stream in binary format.
*
* @param file
* Output stream
* @exception IOException
*/
public void dump(OutputStream file) throws IOException {
dump(new DataOutputStream(file));
}
/**
* Dump Java class to output stream in binary format.
*
* @param file
* Output stream
* @exception IOException
*/
public void dump(DataOutputStream file) throws IOException {
file.writeInt(0xcafebabe);
file.writeShort(minor);
file.writeShort(major);
constant_pool.dump(file);
file.writeShort(access_flags);
file.writeShort(class_name_index);
file.writeShort(superclass_name_index);
file.writeShort(interfaces.length);
for (int i = 0; i < interfaces.length; i++) {
file.writeShort(interfaces[i]);
}
file.writeShort(fields.length);
for (int i = 0; i < fields.length; i++) {
fields[i].dump(file);
}
file.writeShort(methods.length);
for (int i = 0; i < methods.length; i++) {
methods[i].dump(file);
}
if (attributes != null) {
file.writeShort(attributes.length);
for (int i = 0; i < attributes.length; i++) {
attributes[i].dump(file);
}
} else {
file.writeShort(0);
}
file.flush();
}
/**
* @return Attributes of the class.
*/
public Attribute[] getAttributes() {
return attributes;
}
/**
* @return Class name.
*/
public String getClassName() {
return class_name;
}
/**
* @return Package name.
*/
public String getPackageName() {
return package_name;
}
/**
* @return Class name index.
*/
public int getClassNameIndex() {
return class_name_index;
}
/**
* @return Constant pool.
*/
public ConstantPool getConstantPool() {
return constant_pool;
}
/**
* @return Fields, i.e., variables of the class. Like the JVM spec mandates
* for the classfile format, these fields are those specific to this
* class, and not those of the superclass or superinterfaces.
*/
public Field[] getFields() {
return fields;
}
/**
* @return File name of class, aka SourceFile attribute value
*/
public String getFileName() {
return file_name;
}
/**
* @return Names of implemented interfaces.
*/
public String[] getInterfaceNames() {
return interface_names;
}
/**
* @return Indices in constant pool of implemented interfaces.
*/
public int[] getInterfaceIndices() {
return interfaces;
}
/**
* @return Major number of class file version.
*/
public int getMajor() {
return major;
}
/**
* @return Methods of the class.
*/
public Method[] getMethods() {
return methods;
}
/**
* @return A org.apache.bcel.classfile.Method corresponding to
* java.lang.reflect.Method if any
*/
public Method getMethod(java.lang.reflect.Method m) {
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
if (m.getName().equals(method.getName())
&& (m.getModifiers() == method.getModifiers())
&& Type.getSignature(m).equals(method.getSignature())) {
return method;
}
}
return null;
}
/**
* @return Minor number of class file version.
*/
public int getMinor() {
return minor;
}
/**
* @return sbsolute path to file where this class was read from
*/
public String getSourceFileName() {
return source_file_name;
}
/**
* @return Superclass name.
*/
public String getSuperclassName() {
return superclass_name;
}
/**
* @return Class name index.
*/
public int getSuperclassNameIndex() {
return superclass_name_index;
}
static {
// Debugging ... on/off
debug = Boolean.getBoolean("JavaClass.debug");
// Get path separator either / or \ usually
String _sep = System.getProperty("file.separator");
if (_sep != null) {
try {
JavaClass.sep = _sep.charAt(0);
} catch (StringIndexOutOfBoundsException e) {
} // Never reached
}
}
/**
* @param attributes
* .
*/
public void setAttributes(Attribute[] attributes) {
this.attributes = attributes;
}
/**
* @param class_name
* .
*/
public void setClassName(String class_name) {
this.class_name = class_name;
}
/**
* @param class_name_index
* .
*/
public void setClassNameIndex(int class_name_index) {
this.class_name_index = class_name_index;
}
/**
* @param constant_pool
* .
*/
public void setConstantPool(ConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
/**
* @param fields
* .
*/
public void setFields(Field[] fields) {
this.fields = fields;
}
/**
* Set File name of class, aka SourceFile attribute value
*/
public void setFileName(String file_name) {
this.file_name = file_name;
}
/**
* @param interface_names
* .
*/
public void setInterfaceNames(String[] interface_names) {
this.interface_names = interface_names;
}
/**
* @param interfaces
* .
*/
public void setInterfaces(int[] interfaces) {
this.interfaces = interfaces;
}
/**
* @param major
* .
*/
public void setMajor(int major) {
this.major = major;
}
/**
* @param methods
* .
*/
public void setMethods(Method[] methods) {
this.methods = methods;
}
/**
* @param minor
* .
*/
public void setMinor(int minor) {
this.minor = minor;
}
/**
* Set absolute path to file this class was read from.
*/
public void setSourceFileName(String source_file_name) {
this.source_file_name = source_file_name;
}
/**
* @param superclass_name
* .
*/
public void setSuperclassName(String superclass_name) {
this.superclass_name = superclass_name;
}
/**
* @param superclass_name_index
* .
*/
public void setSuperclassNameIndex(int superclass_name_index) {
this.superclass_name_index = superclass_name_index;
}
/**
* @return String representing class contents.
*/
@Override
public String toString() {
String access = Utility.accessToString(access_flags, true);
access = access.equals("") ? "" : (access + " ");
StringBuffer buf = new StringBuffer(128);
buf.append(access).append(Utility.classOrInterface(access_flags))
.append(" ").append(class_name).append(" extends ")
.append(Utility.compactClassName(superclass_name, false))
.append('\n');
int size = interfaces.length;
if (size > 0) {
buf.append("implements\t\t");
for (int i = 0; i < size; i++) {
buf.append(interface_names[i]);
if (i < size - 1) {
buf.append(", ");
}
}
buf.append('\n');
}
buf.append("filename\t\t").append(file_name).append('\n');
buf.append("compiled from\t\t").append(source_file_name).append('\n');
buf.append("compiler version\t").append(major).append(".")
.append(minor).append('\n');
buf.append("access flags\t\t").append(access_flags).append('\n');
buf.append("constant pool\t\t").append(constant_pool.getLength())
.append(" entries\n");
buf.append("ACC_SUPER flag\t\t").append(isSuper()).append("\n");
if (attributes.length > 0) {
buf.append("\nAttribute(s):\n");
for (int i = 0; i < attributes.length; i++) {
buf.append(indent(attributes[i]));
}
}
if (fields.length > 0) {
buf.append("\n").append(fields.length).append(" fields:\n");
for (int i = 0; i < fields.length; i++) {
buf.append("\t").append(fields[i]).append('\n');
}
}
if (methods.length > 0) {
buf.append("\n").append(methods.length).append(" methods:\n");
for (int i = 0; i < methods.length; i++) {
buf.append("\t").append(methods[i]).append('\n');
}
}
return buf.toString();
}
private static final String indent(Object obj) {
StringTokenizer tok = new StringTokenizer(obj.toString(), "\n");
StringBuffer buf = new StringBuffer();
while (tok.hasMoreTokens()) {
buf.append("\t").append(tok.nextToken()).append("\n");
}
return buf.toString();
}
/**
* @return deep copy of this class
*/
public JavaClass copy() {
JavaClass c = null;
try {
c = (JavaClass) clone();
c.constant_pool = constant_pool.copy();
c.interfaces = interfaces.clone();
c.interface_names = interface_names.clone();
c.fields = new Field[fields.length];
for (int i = 0; i < fields.length; i++) {
c.fields[i] = fields[i].copy(c.constant_pool);
}
c.methods = new Method[methods.length];
for (int i = 0; i < methods.length; i++) {
c.methods[i] = methods[i].copy(c.constant_pool);
}
c.attributes = new Attribute[attributes.length];
for (int i = 0; i < attributes.length; i++) {
c.attributes[i] = attributes[i].copy(c.constant_pool);
}
} catch (CloneNotSupportedException e) {
}
return c;
}
public final boolean isSuper() {
return (access_flags & Constants.ACC_SUPER) != 0;
}
public final boolean isClass() {
return (access_flags & Constants.ACC_INTERFACE) == 0;
}
/**
* @return returns either HEAP (generated), FILE, or ZIP
*/
public final byte getSource() {
return source;
}
/********************* New repository functionality *********************/
/**
* Gets the ClassRepository which holds its definition. By default this is
* the same as SyntheticRepository.getInstance();
*/
public org.apache.bcel.util.Repository getRepository() {
return repository;
}
/**
* Sets the ClassRepository which loaded the JavaClass. Should be called
* immediately after parsing is done.
*/
public void setRepository(org.apache.bcel.util.Repository repository) {
this.repository = repository;
}
/**
* Equivalent to runtime "instanceof" operator.
*
* @return true if this JavaClass is derived from the super class
* @throws ClassNotFoundException
* if superclasses or superinterfaces of this object can't be
* found
*/
public final boolean instanceOf(JavaClass super_class)
throws ClassNotFoundException {
if (this.equals(super_class)) {
return true;
}
JavaClass[] super_classes = getSuperClasses();
for (int i = 0; i < super_classes.length; i++) {
if (super_classes[i].equals(super_class)) {
return true;
}
}
if (super_class.isInterface()) {
return implementationOf(super_class);
}
return false;
}
/**
* @return true, if this class is an implementation of interface inter
* @throws ClassNotFoundException
* if superclasses or superinterfaces of this class can't be
* found
*/
public boolean implementationOf(JavaClass inter)
throws ClassNotFoundException {
if (!inter.isInterface()) {
throw new IllegalArgumentException(inter.getClassName()
+ " is no interface");
}
if (this.equals(inter)) {
return true;
}
JavaClass[] super_interfaces = getAllInterfaces();
for (int i = 0; i < super_interfaces.length; i++) {
if (super_interfaces[i].equals(inter)) {
return true;
}
}
return false;
}
/**
* @return the superclass for this JavaClass object, or null if this is
* java.lang.Object
* @throws ClassNotFoundException
* if the superclass can't be found
*/
public JavaClass getSuperClass() throws ClassNotFoundException {
if ("java.lang.Object".equals(getClassName())) {
return null;
}
return repository.loadClass(getSuperclassName());
}
/**
* @return list of super classes of this class in ascending order, i.e.,
* java.lang.Object is always the last element
* @throws ClassNotFoundException
* if any of the superclasses can't be found
*/
public JavaClass[] getSuperClasses() throws ClassNotFoundException {
JavaClass clazz = this;
List<JavaClass> allSuperClasses = new ArrayList<JavaClass>();
for (clazz = clazz.getSuperClass(); clazz != null; clazz = clazz
.getSuperClass()) {
allSuperClasses.add(clazz);
}
return allSuperClasses.toArray(new JavaClass[allSuperClasses.size()]);
}
/**
* Get interfaces directly implemented by this JavaClass.
*/
public JavaClass[] getInterfaces() throws ClassNotFoundException {
String[] _interfaces = getInterfaceNames();
JavaClass[] classes = new JavaClass[_interfaces.length];
for (int i = 0; i < _interfaces.length; i++) {
classes[i] = repository.loadClass(_interfaces[i]);
}
return classes;
}
/**
* Get all interfaces implemented by this JavaClass (transitively).
*/
public JavaClass[] getAllInterfaces() throws ClassNotFoundException {
ClassQueue queue = new ClassQueue();
Set<JavaClass> allInterfaces = new TreeSet<JavaClass>();
queue.enqueue(this);
while (!queue.empty()) {
JavaClass clazz = queue.dequeue();
JavaClass souper = clazz.getSuperClass();
JavaClass[] _interfaces = clazz.getInterfaces();
if (clazz.isInterface()) {
allInterfaces.add(clazz);
} else {
if (souper != null) {
queue.enqueue(souper);
}
}
for (int i = 0; i < _interfaces.length; i++) {
queue.enqueue(_interfaces[i]);
}
}
return allInterfaces.toArray(new JavaClass[allInterfaces.size()]);
}
/**
* @return Comparison strategy object
*/
public static BCELComparator getComparator() {
return _cmp;
}
/**
* @param comparator
* Comparison strategy object
*/
public static void setComparator(BCELComparator comparator) {
_cmp = comparator;
}
/**
* Return value as defined by given BCELComparator strategy. By default two
* JavaClass objects are said to be equal when their class names are equal.
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return _cmp.equals(this, obj);
}
/**
* Return the natural ordering of two JavaClasses. This ordering is based on
* the class name
*/
@Override
public int compareTo(Object obj) {
return getClassName().compareTo(((JavaClass) obj).getClassName());
}
/**
* Return value as defined by given BCELComparator strategy. By default
* return the hashcode of the class name.
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return _cmp.hashCode(this);
}
}

144
src/org/apache/bcel/classfile/LineNumber.java
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@ -1,144 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
/**
* This class represents a (PC offset, line number) pair, i.e., a line number in
* the source that corresponds to a relative address in the byte code. This is
* used for debugging purposes.
*
* @version $Id: LineNumber.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see LineNumberTable
*/
public final class LineNumber implements Cloneable, Node, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private int start_pc; // Program Counter (PC) corresponds to line
private int line_number; // number in source file
/**
* Initialize from another object.
*/
public LineNumber(LineNumber c) {
this(c.getStartPC(), c.getLineNumber());
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
*/
LineNumber(DataInputStream file) throws IOException {
this(file.readUnsignedShort(), file.readUnsignedShort());
}
/**
* @param start_pc
* Program Counter (PC) corresponds to
* @param line_number
* line number in source file
*/
public LineNumber(int start_pc, int line_number) {
this.start_pc = start_pc;
this.line_number = line_number;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitLineNumber(this);
}
/**
* Dump line number/pc pair to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeShort(start_pc);
file.writeShort(line_number);
}
/**
* @return Corresponding source line
*/
public final int getLineNumber() {
return line_number;
}
/**
* @return PC in code
*/
public final int getStartPC() {
return start_pc;
}
/**
* @param line_number
* the source line number
*/
public final void setLineNumber(int line_number) {
this.line_number = line_number;
}
/**
* @param start_pc
* the pc for this line number
*/
public final void setStartPC(int start_pc) {
this.start_pc = start_pc;
}
/**
* @return String representation
*/
@Override
public final String toString() {
return "LineNumber(" + start_pc + ", " + line_number + ")";
}
/**
* @return deep copy of this object
*/
public LineNumber copy() {
try {
return (LineNumber) clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
}

223
src/org/apache/bcel/classfile/LineNumberTable.java
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@ -1,223 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents a table of line numbers for debugging purposes. This
* attribute is used by the <em>Code</em> attribute. It contains pairs of PCs
* and line numbers.
*
* @version $Id: LineNumberTable.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Code
* @see LineNumber
*/
public final class LineNumberTable extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int line_number_table_length;
private LineNumber[] line_number_table; // Table of line/numbers pairs
/*
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use copy() for a physical copy.
*/
public LineNumberTable(LineNumberTable c) {
this(c.getNameIndex(), c.getLength(), c.getLineNumberTable(), c
.getConstantPool());
}
/*
* @param name_index Index of name
*
* @param length Content length in bytes
*
* @param line_number_table Table of line/numbers pairs
*
* @param constant_pool Array of constants
*/
public LineNumberTable(int name_index, int length,
LineNumber[] line_number_table, ConstantPool constant_pool) {
super(Constants.ATTR_LINE_NUMBER_TABLE, name_index, length,
constant_pool);
setLineNumberTable(line_number_table);
}
/**
* Construct object from file stream.
*
* @param name_index
* Index of name
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
LineNumberTable(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (LineNumber[]) null, constant_pool);
line_number_table_length = (file.readUnsignedShort());
line_number_table = new LineNumber[line_number_table_length];
for (int i = 0; i < line_number_table_length; i++) {
line_number_table[i] = new LineNumber(file);
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitLineNumberTable(this);
}
/**
* Dump line number table attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(line_number_table_length);
for (int i = 0; i < line_number_table_length; i++) {
line_number_table[i].dump(file);
}
}
/**
* @return Array of (pc offset, line number) pairs.
*/
public final LineNumber[] getLineNumberTable() {
return line_number_table;
}
/**
* @param line_number_table
* the line number entries for this table
*/
public final void setLineNumberTable(LineNumber[] line_number_table) {
this.line_number_table = line_number_table;
line_number_table_length = (line_number_table == null) ? 0
: line_number_table.length;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer();
StringBuffer line = new StringBuffer();
String newLine = System.getProperty("line.separator", "\n");
for (int i = 0; i < line_number_table_length; i++) {
line.append(line_number_table[i].toString());
if (i < line_number_table_length - 1) {
line.append(", ");
}
if (line.length() > 72) {
line.append(newLine);
buf.append(line.toString());
line.setLength(0);
}
}
buf.append(line);
return buf.toString();
}
/**
* Map byte code positions to source code lines.
*
* @param pos
* byte code offset
* @return corresponding line in source code
*/
public int getSourceLine(int pos) {
int l = 0, r = line_number_table_length - 1;
if (r < 0) {
return -1;
}
int min_index = -1, min = -1;
/*
* Do a binary search since the array is ordered.
*/
do {
int i = (l + r) / 2;
int j = line_number_table[i].getStartPC();
if (j == pos) {
return line_number_table[i].getLineNumber();
} else if (pos < j) {
r = i - 1;
} else {
l = i + 1;
}
/*
* If exact match can't be found (which is the most common case)
* return the line number that corresponds to the greatest index
* less than pos.
*/
if (j < pos && j > min) {
min = j;
min_index = i;
}
} while (l <= r);
/*
* It's possible that we did not find any valid entry for the bytecode
* offset we were looking for.
*/
if (min_index < 0) {
return -1;
}
return line_number_table[min_index].getLineNumber();
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
LineNumberTable c = (LineNumberTable) clone();
c.line_number_table = new LineNumber[line_number_table_length];
for (int i = 0; i < line_number_table_length; i++) {
c.line_number_table[i] = line_number_table[i].copy();
}
c.constant_pool = _constant_pool;
return c;
}
public final int getTableLength() {
return line_number_table_length;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Serializable;
import org.apache.bcel.Constants;
/**
* This class represents a local variable within a method. It contains its
* scope, name, signature and index on the method's frame.
*
* @version $Id: LocalVariable.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see LocalVariableTable
*/
public final class LocalVariable implements Constants, Cloneable, Node,
Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private int start_pc; // Range in which the variable is valid
private int length;
private int name_index; // Index in constant pool of variable name
private int signature_index; // Index of variable signature
private int index; /*
* Variable is `index'th local variable on this method's
* frame.
*/
private ConstantPool constant_pool;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use copy() for a physical copy.
*/
public LocalVariable(LocalVariable c) {
this(c.getStartPC(), c.getLength(), c.getNameIndex(), c
.getSignatureIndex(), c.getIndex(), c.getConstantPool());
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
*/
LocalVariable(DataInputStream file, ConstantPool constant_pool)
throws IOException {
this(file.readUnsignedShort(), file.readUnsignedShort(), file
.readUnsignedShort(), file.readUnsignedShort(), file
.readUnsignedShort(), constant_pool);
}
/**
* @param start_pc
* Range in which the variable
* @param length
* ... is valid
* @param name_index
* Index in constant pool of variable name
* @param signature_index
* Index of variable's signature
* @param index
* Variable is `index'th local variable on the method's frame
* @param constant_pool
* Array of constants
*/
public LocalVariable(int start_pc, int length, int name_index,
int signature_index, int index, ConstantPool constant_pool) {
this.start_pc = start_pc;
this.length = length;
this.name_index = name_index;
this.signature_index = signature_index;
this.index = index;
this.constant_pool = constant_pool;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitLocalVariable(this);
}
/**
* Dump local variable to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeShort(start_pc);
file.writeShort(length);
file.writeShort(name_index);
file.writeShort(signature_index);
file.writeShort(index);
}
/**
* @return Constant pool used by this object.
*/
public final ConstantPool getConstantPool() {
return constant_pool;
}
/**
* @return Variable is valid within getStartPC() .. getStartPC()+getLength()
*/
public final int getLength() {
return length;
}
/**
* @return Variable name.
*/
public final String getName() {
ConstantUtf8 c;
c = (ConstantUtf8) constant_pool.getConstant(name_index, CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return Index in constant pool of variable name.
*/
public final int getNameIndex() {
return name_index;
}
/**
* @return Signature.
*/
public final String getSignature() {
ConstantUtf8 c;
c = (ConstantUtf8) constant_pool.getConstant(signature_index,
CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return Index in constant pool of variable signature.
*/
public final int getSignatureIndex() {
return signature_index;
}
/**
* @return index of register where variable is stored
*/
public final int getIndex() {
return index;
}
/**
* @return Start of range where he variable is valid
*/
public final int getStartPC() {
return start_pc;
}
/**
* @param constant_pool
* Constant pool to be used for this object.
*/
public final void setConstantPool(ConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
/**
* @param length
* the length of this local variable
*/
public final void setLength(int length) {
this.length = length;
}
/**
* @param name_index
* the index into the constant pool for the name of this variable
*/
public final void setNameIndex(int name_index) {
this.name_index = name_index;
}
/**
* @param signature_index
* the index into the constant pool for the signature of this
* variable
*/
public final void setSignatureIndex(int signature_index) {
this.signature_index = signature_index;
}
/**
* @param index
* the index in the local variable table of this variable
*/
public final void setIndex(int index) {
this.index = index;
}
/**
* @param start_pc
* Specify range where the local variable is valid.
*/
public final void setStartPC(int start_pc) {
this.start_pc = start_pc;
}
/**
* @return string representation.
*/
@Override
public final String toString() {
String name = getName(), signature = Utility
.signatureToString(getSignature());
return "LocalVariable(start_pc = " + start_pc + ", length = " + length
+ ", index = " + index + ":" + signature + " " + name + ")";
}
/**
* @return deep copy of this object
*/
public LocalVariable copy() {
try {
return (LocalVariable) clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents colection of local variables in a method. This
* attribute is contained in the <em>Code</em> attribute.
*
* @version $Id: LocalVariableTable.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Code
* @see LocalVariable
*/
public class LocalVariableTable extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int local_variable_table_length; // Table of local
private LocalVariable[] local_variable_table; // variables
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use copy() for a physical copy.
*/
public LocalVariableTable(LocalVariableTable c) {
this(c.getNameIndex(), c.getLength(), c.getLocalVariableTable(), c
.getConstantPool());
}
/**
* @param name_index
* Index in constant pool to `LocalVariableTable'
* @param length
* Content length in bytes
* @param local_variable_table
* Table of local variables
* @param constant_pool
* Array of constants
*/
public LocalVariableTable(int name_index, int length,
LocalVariable[] local_variable_table, ConstantPool constant_pool) {
super(Constants.ATTR_LOCAL_VARIABLE_TABLE, name_index, length,
constant_pool);
setLocalVariableTable(local_variable_table);
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
LocalVariableTable(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (LocalVariable[]) null, constant_pool);
local_variable_table_length = (file.readUnsignedShort());
local_variable_table = new LocalVariable[local_variable_table_length];
for (int i = 0; i < local_variable_table_length; i++) {
local_variable_table[i] = new LocalVariable(file, constant_pool);
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitLocalVariableTable(this);
}
/**
* Dump local variable table attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(local_variable_table_length);
for (int i = 0; i < local_variable_table_length; i++) {
local_variable_table[i].dump(file);
}
}
/**
* @return Array of local variables of method.
*/
public final LocalVariable[] getLocalVariableTable() {
return local_variable_table;
}
/**
* @return first matching variable using index
*
* @param index
* the variable slot
*
* @return the first LocalVariable that matches the slot or null if not
* found
*
*/
public final LocalVariable getLocalVariable(int index) {
for (int i = 0; i < local_variable_table_length; i++) {
if (local_variable_table[i].getIndex() == index) {
return local_variable_table[i];
}
}
return null;
}
/**
* @return matching variable using index when variable is used at supplied
* pc
*
* @param index
* the variable slot
* @param pc
* the current pc that this variable is alive
*
* @return the LocalVariable that matches or null if not found
*/
public final LocalVariable getLocalVariable(int index, int pc) {
for (int i = 0; i < local_variable_table_length; i++) {
if (local_variable_table[i].getIndex() == index) {
int start_pc = local_variable_table[i].getStartPC();
int end_pc = start_pc + local_variable_table[i].getLength();
if ((pc >= start_pc) && (pc < end_pc)) {
return local_variable_table[i];
}
}
}
return null;
}
public final void setLocalVariableTable(LocalVariable[] local_variable_table) {
this.local_variable_table = local_variable_table;
local_variable_table_length = (local_variable_table == null) ? 0
: local_variable_table.length;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer("");
for (int i = 0; i < local_variable_table_length; i++) {
buf.append(local_variable_table[i].toString());
if (i < local_variable_table_length - 1) {
buf.append('\n');
}
}
return buf.toString();
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
LocalVariableTable c = (LocalVariableTable) clone();
c.local_variable_table = new LocalVariable[local_variable_table_length];
for (int i = 0; i < local_variable_table_length; i++) {
c.local_variable_table[i] = local_variable_table[i].copy();
}
c.constant_pool = _constant_pool;
return c;
}
public final int getTableLength() {
return local_variable_table_length;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
import org.apache.bcel.generic.Type;
import org.apache.bcel.util.BCELComparator;
/**
* This class represents the method info structure, i.e., the representation for
* a method in the class. See JVM specification for details. A method has access
* flags, a name, a signature and a number of attributes.
*
* @version $Id: Method.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class Method extends FieldOrMethod {
/**
*
*/
private static final long serialVersionUID = 1L;
private static BCELComparator _cmp = new BCELComparator() {
@Override
public boolean equals(Object o1, Object o2) {
Method THIS = (Method) o1;
Method THAT = (Method) o2;
return THIS.getName().equals(THAT.getName())
&& THIS.getSignature().equals(THAT.getSignature());
}
@Override
public int hashCode(Object o) {
Method THIS = (Method) o;
return THIS.getSignature().hashCode() ^ THIS.getName().hashCode();
}
};
/**
* Empty constructor, all attributes have to be defined via `setXXX'
* methods. Use at your own risk.
*/
public Method() {
}
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public Method(Method c) {
super(c);
}
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
* @throws ClassFormatException
*/
Method(DataInputStream file, ConstantPool constant_pool)
throws IOException, ClassFormatException {
super(file, constant_pool);
}
/**
* @param access_flags
* Access rights of method
* @param name_index
* Points to field name in constant pool
* @param signature_index
* Points to encoded signature
* @param attributes
* Collection of attributes
* @param constant_pool
* Array of constants
*/
public Method(int access_flags, int name_index, int signature_index,
Attribute[] attributes, ConstantPool constant_pool) {
super(access_flags, name_index, signature_index, attributes,
constant_pool);
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitMethod(this);
}
/**
* @return Code attribute of method, if any
*/
public final Code getCode() {
for (int i = 0; i < attributes_count; i++) {
if (attributes[i] instanceof Code) {
return (Code) attributes[i];
}
}
return null;
}
/**
* @return ExceptionTable attribute of method, if any, i.e., list all
* exceptions the method may throw not exception handlers!
*/
public final ExceptionTable getExceptionTable() {
for (int i = 0; i < attributes_count; i++) {
if (attributes[i] instanceof ExceptionTable) {
return (ExceptionTable) attributes[i];
}
}
return null;
}
/**
* @return LocalVariableTable of code attribute if any, i.e. the call is
* forwarded to the Code atribute.
*/
public final LocalVariableTable getLocalVariableTable() {
Code code = getCode();
if (code == null) {
return null;
}
return code.getLocalVariableTable();
}
/**
* @return LineNumberTable of code attribute if any, i.e. the call is
* forwarded to the Code atribute.
*/
public final LineNumberTable getLineNumberTable() {
Code code = getCode();
if (code == null) {
return null;
}
return code.getLineNumberTable();
}
/**
* Return string representation close to declaration format, `public static
* void main(String[] args) throws IOException', e.g.
*
* @return String representation of the method.
*/
@Override
public final String toString() {
ConstantUtf8 c;
String name, signature, access; // Short cuts to constant pool
StringBuffer buf;
access = Utility.accessToString(access_flags);
// Get name and signature from constant pool
c = (ConstantUtf8) constant_pool.getConstant(signature_index,
Constants.CONSTANT_Utf8);
signature = c.getBytes();
c = (ConstantUtf8) constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
signature = Utility.methodSignatureToString(signature, name, access,
true, getLocalVariableTable());
buf = new StringBuffer(signature);
for (int i = 0; i < attributes_count; i++) {
Attribute a = attributes[i];
if (!((a instanceof Code) || (a instanceof ExceptionTable))) {
buf.append(" [").append(a.toString()).append("]");
}
}
ExceptionTable e = getExceptionTable();
if (e != null) {
String str = e.toString();
if (!str.equals("")) {
buf.append("\n\t\tthrows ").append(str);
}
}
return buf.toString();
}
/**
* @return deep copy of this method
*/
public final Method copy(ConstantPool _constant_pool) {
return (Method) copy_(_constant_pool);
}
/**
* @return return type of method
*/
public Type getReturnType() {
return Type.getReturnType(getSignature());
}
/**
* @return array of method argument types
*/
public Type[] getArgumentTypes() {
return Type.getArgumentTypes(getSignature());
}
/**
* @return Comparison strategy object
*/
public static BCELComparator getComparator() {
return _cmp;
}
/**
* @param comparator
* Comparison strategy object
*/
public static void setComparator(BCELComparator comparator) {
_cmp = comparator;
}
/**
* Return value as defined by given BCELComparator strategy. By default two
* method objects are said to be equal when their names and signatures are
* equal.
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return _cmp.equals(this, obj);
}
/**
* Return value as defined by given BCELComparator strategy. By default
* return the hashcode of the method's name XOR signature.
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return _cmp.hashCode(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
/**
* Denote class to have an accept method();
*
* @version $Id: Node.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public interface Node {
public void accept(Visitor obj);
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and represents a reference to a
* PMG attribute.
*
* @version $Id: PMGClass.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class PMGClass extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int pmg_class_index, pmg_index;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public PMGClass(PMGClass c) {
this(c.getNameIndex(), c.getLength(), c.getPMGIndex(), c
.getPMGClassIndex(), c.getConstantPool());
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
PMGClass(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, file.readUnsignedShort(), file
.readUnsignedShort(), constant_pool);
}
/**
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param pmg_index
* index in constant pool for source file name
* @param pmg_class_index
* Index in constant pool to CONSTANT_Utf8
* @param constant_pool
* Array of constants
*/
public PMGClass(int name_index, int length, int pmg_index,
int pmg_class_index, ConstantPool constant_pool) {
super(Constants.ATTR_PMG, name_index, length, constant_pool);
this.pmg_index = pmg_index;
this.pmg_class_index = pmg_class_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
System.err.println("Visiting non-standard PMGClass object");
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(pmg_index);
file.writeShort(pmg_class_index);
}
/**
* @return Index in constant pool of source file name.
*/
public final int getPMGClassIndex() {
return pmg_class_index;
}
/**
* @param pmg_class_index
*/
public final void setPMGClassIndex(int pmg_class_index) {
this.pmg_class_index = pmg_class_index;
}
/**
* @return Index in constant pool of source file name.
*/
public final int getPMGIndex() {
return pmg_index;
}
/**
* @param pmg_index
*/
public final void setPMGIndex(int pmg_index) {
this.pmg_index = pmg_index;
}
/**
* @return PMG name.
*/
public final String getPMGName() {
ConstantUtf8 c = (ConstantUtf8) constant_pool.getConstant(pmg_index,
Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return PMG class name.
*/
public final String getPMGClassName() {
ConstantUtf8 c = (ConstantUtf8) constant_pool.getConstant(
pmg_class_index, Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return String representation
*/
@Override
public final String toString() {
return "PMGClass(" + getPMGName() + ", " + getPMGClassName() + ")";
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
return (PMGClass) clone();
}
}

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@ -1,273 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and represents a reference to a
* GJ attribute.
*
* @version $Id: Signature.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class Signature extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int signature_index;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public Signature(Signature c) {
this(c.getNameIndex(), c.getLength(), c.getSignatureIndex(), c
.getConstantPool());
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
Signature(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, file.readUnsignedShort(), constant_pool);
}
/**
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param signature_index
* Index in constant pool to CONSTANT_Utf8
* @param constant_pool
* Array of constants
*/
public Signature(int name_index, int length, int signature_index,
ConstantPool constant_pool) {
super(Constants.ATTR_SIGNATURE, name_index, length, constant_pool);
this.signature_index = signature_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
// System.err.println("Visiting non-standard Signature object");
v.visitSignature(this);
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(signature_index);
}
/**
* @return Index in constant pool of source file name.
*/
public final int getSignatureIndex() {
return signature_index;
}
/**
* @param signature_index
* the index info the constant pool of this signature
*/
public final void setSignatureIndex(int signature_index) {
this.signature_index = signature_index;
}
/**
* @return GJ signature.
*/
public final String getSignature() {
ConstantUtf8 c = (ConstantUtf8) constant_pool.getConstant(
signature_index, Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* Extends ByteArrayInputStream to make 'unreading' chars possible.
*/
private static final class MyByteArrayInputStream extends
ByteArrayInputStream {
MyByteArrayInputStream(String data) {
super(data.getBytes());
}
final String getData() {
return new String(buf);
}
final void unread() {
if (pos > 0) {
pos--;
}
}
}
private static boolean identStart(int ch) {
return ch == 'T' || ch == 'L';
}
private static final void matchIdent(MyByteArrayInputStream in,
StringBuffer buf) {
int ch;
if ((ch = in.read()) == -1) {
throw new RuntimeException("Illegal signature: " + in.getData()
+ " no ident, reaching EOF");
}
// System.out.println("return from ident:" + (char)ch);
if (!identStart(ch)) {
StringBuffer buf2 = new StringBuffer();
int count = 1;
while (Character.isJavaIdentifierPart((char) ch)) {
buf2.append((char) ch);
count++;
ch = in.read();
}
if (ch == ':') { // Ok, formal parameter
in.skip("Ljava/lang/Object".length());
buf.append(buf2);
ch = in.read();
in.unread();
// System.out.println("so far:" + buf2 + ":next:" +(char)ch);
} else {
for (int i = 0; i < count; i++) {
in.unread();
}
}
return;
}
StringBuffer buf2 = new StringBuffer();
ch = in.read();
do {
buf2.append((char) ch);
ch = in.read();
// System.out.println("within ident:"+ (char)ch);
} while ((ch != -1)
&& (Character.isJavaIdentifierPart((char) ch) || (ch == '/')));
buf.append(buf2.toString().replace('/', '.'));
// System.out.println("regular return ident:"+ (char)ch + ":" + buf2);
if (ch != -1) {
in.unread();
}
}
private static final void matchGJIdent(MyByteArrayInputStream in,
StringBuffer buf) {
int ch;
matchIdent(in, buf);
ch = in.read();
if ((ch == '<') || ch == '(') { // Parameterized or method
// System.out.println("Enter <");
buf.append((char) ch);
matchGJIdent(in, buf);
while (((ch = in.read()) != '>') && (ch != ')')) { // List of
// parameters
if (ch == -1) {
throw new RuntimeException("Illegal signature: "
+ in.getData() + " reaching EOF");
}
// System.out.println("Still no >");
buf.append(", ");
in.unread();
matchGJIdent(in, buf); // Recursive call
}
// System.out.println("Exit >");
buf.append((char) ch);
} else {
in.unread();
}
ch = in.read();
if (identStart(ch)) {
in.unread();
matchGJIdent(in, buf);
} else if (ch == ')') {
in.unread();
return;
} else if (ch != ';') {
throw new RuntimeException("Illegal signature: " + in.getData()
+ " read " + (char) ch);
}
}
public static String translate(String s) {
// System.out.println("Sig:" + s);
StringBuffer buf = new StringBuffer();
matchGJIdent(new MyByteArrayInputStream(s), buf);
return buf.toString();
}
public static final boolean isFormalParameterList(String s) {
return s.startsWith("<") && (s.indexOf(':') > 0);
}
public static final boolean isActualParameterList(String s) {
return s.startsWith("L") && s.endsWith(">;");
}
/**
* @return String representation
*/
@Override
public final String toString() {
String s = getSignature();
return "Signature(" + s + ")";
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
return (Signature) clone();
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and represents a reference to
* the source file of this class. At most one SourceFile attribute should appear
* per classfile. The intention of this class is that it is instantiated from
* the <em>Attribute.readAttribute()</em> method.
*
* @version $Id: SourceFile.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class SourceFile extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private int sourcefile_index;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public SourceFile(SourceFile c) {
this(c.getNameIndex(), c.getLength(), c.getSourceFileIndex(), c
.getConstantPool());
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
SourceFile(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, file.readUnsignedShort(), constant_pool);
}
/**
* @param name_index
* Index in constant pool to CONSTANT_Utf8, which should
* represent the string "SourceFile".
* @param length
* Content length in bytes, the value should be 2.
* @param constant_pool
* The constant pool that this attribute is associated with.
* @param sourcefile_index
* Index in constant pool to CONSTANT_Utf8. This string will be
* interpreted as the name of the file from which this class was
* compiled. It will not be interpreted as indicating the name of
* the directory contqining the file or an absolute path; this
* information has to be supplied the consumer of this attribute
* - in many cases, the JVM.
*/
public SourceFile(int name_index, int length, int sourcefile_index,
ConstantPool constant_pool) {
super(Constants.ATTR_SOURCE_FILE, name_index, length, constant_pool);
this.sourcefile_index = sourcefile_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitSourceFile(this);
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(sourcefile_index);
}
/**
* @return Index in constant pool of source file name.
*/
public final int getSourceFileIndex() {
return sourcefile_index;
}
/**
* @param sourcefile_index
*/
public final void setSourceFileIndex(int sourcefile_index) {
this.sourcefile_index = sourcefile_index;
}
/**
* @return Source file name.
*/
public final String getSourceFileName() {
ConstantUtf8 c = (ConstantUtf8) constant_pool.getConstant(
sourcefile_index, Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return String representation
*/
@Override
public final String toString() {
return "SourceFile(" + getSourceFileName() + ")";
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
return (SourceFile) clone();
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents a stack map attribute used for preverification of Java
* classes for the <a href="http://java.sun.com/j2me/"> Java 2 Micro Edition</a>
* (J2ME). This attribute is used by the <a
* href="http://java.sun.com/products/cldc/">KVM</a> and contained within the
* Code attribute of a method. See CLDC specification 5.3.1.2
*
* @version $Id: StackMap.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Code
* @see StackMapEntry
* @see StackMapType
*/
public final class StackMap extends Attribute implements Node {
/**
*
*/
private static final long serialVersionUID = 1L;
private int map_length;
private StackMapEntry[] map; // Table of stack map entries
/*
* @param name_index Index of name
*
* @param length Content length in bytes
*
* @param map Table of stack map entries
*
* @param constant_pool Array of constants
*/
public StackMap(int name_index, int length, StackMapEntry[] map,
ConstantPool constant_pool) {
super(Constants.ATTR_STACK_MAP, name_index, length, constant_pool);
setStackMap(map);
}
/**
* Construct object from file stream.
*
* @param name_index
* Index of name
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
StackMap(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (StackMapEntry[]) null, constant_pool);
map_length = file.readUnsignedShort();
map = new StackMapEntry[map_length];
for (int i = 0; i < map_length; i++) {
map[i] = new StackMapEntry(file, constant_pool);
}
}
/**
* Dump line number table attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(map_length);
for (int i = 0; i < map_length; i++) {
map[i].dump(file);
}
}
/**
* @return Array of stack map entries
*/
public final StackMapEntry[] getStackMap() {
return map;
}
/**
* @param map
* Array of stack map entries
*/
public final void setStackMap(StackMapEntry[] map) {
this.map = map;
map_length = (map == null) ? 0 : map.length;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer("StackMap(");
for (int i = 0; i < map_length; i++) {
buf.append(map[i].toString());
if (i < map_length - 1) {
buf.append(", ");
}
}
buf.append(')');
return buf.toString();
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
StackMap c = (StackMap) clone();
c.map = new StackMapEntry[map_length];
for (int i = 0; i < map_length; i++) {
c.map[i] = map[i].copy();
}
c.constant_pool = _constant_pool;
return c;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackMap(this);
}
public final int getMapLength() {
return map_length;
}
}

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@ -1,201 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* This class represents a stack map entry recording the types of local
* variables and the the of stack items at a given byte code offset. See CLDC
* specification 5.3.1.2
*
* @version $Id: StackMapEntry.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see StackMap
* @see StackMapType
*/
public final class StackMapEntry implements Cloneable {
private int byte_code_offset;
private int number_of_locals;
private StackMapType[] types_of_locals;
private int number_of_stack_items;
private StackMapType[] types_of_stack_items;
private ConstantPool constant_pool;
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
*/
StackMapEntry(DataInputStream file, ConstantPool constant_pool)
throws IOException {
this(file.readShort(), file.readShort(), null, -1, null, constant_pool);
types_of_locals = new StackMapType[number_of_locals];
for (int i = 0; i < number_of_locals; i++) {
types_of_locals[i] = new StackMapType(file, constant_pool);
}
number_of_stack_items = file.readShort();
types_of_stack_items = new StackMapType[number_of_stack_items];
for (int i = 0; i < number_of_stack_items; i++) {
types_of_stack_items[i] = new StackMapType(file, constant_pool);
}
}
public StackMapEntry(int byte_code_offset, int number_of_locals,
StackMapType[] types_of_locals, int number_of_stack_items,
StackMapType[] types_of_stack_items, ConstantPool constant_pool) {
this.byte_code_offset = byte_code_offset;
this.number_of_locals = number_of_locals;
this.types_of_locals = types_of_locals;
this.number_of_stack_items = number_of_stack_items;
this.types_of_stack_items = types_of_stack_items;
this.constant_pool = constant_pool;
}
/**
* Dump stack map entry
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeShort(byte_code_offset);
file.writeShort(number_of_locals);
for (int i = 0; i < number_of_locals; i++) {
types_of_locals[i].dump(file);
}
file.writeShort(number_of_stack_items);
for (int i = 0; i < number_of_stack_items; i++) {
types_of_stack_items[i].dump(file);
}
}
/**
* @return String representation.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer(64);
buf.append("(offset=").append(byte_code_offset);
if (number_of_locals > 0) {
buf.append(", locals={");
for (int i = 0; i < number_of_locals; i++) {
buf.append(types_of_locals[i]);
if (i < number_of_locals - 1) {
buf.append(", ");
}
}
buf.append("}");
}
if (number_of_stack_items > 0) {
buf.append(", stack items={");
for (int i = 0; i < number_of_stack_items; i++) {
buf.append(types_of_stack_items[i]);
if (i < number_of_stack_items - 1) {
buf.append(", ");
}
}
buf.append("}");
}
buf.append(")");
return buf.toString();
}
public void setByteCodeOffset(int b) {
byte_code_offset = b;
}
public int getByteCodeOffset() {
return byte_code_offset;
}
public void setNumberOfLocals(int n) {
number_of_locals = n;
}
public int getNumberOfLocals() {
return number_of_locals;
}
public void setTypesOfLocals(StackMapType[] t) {
types_of_locals = t;
}
public StackMapType[] getTypesOfLocals() {
return types_of_locals;
}
public void setNumberOfStackItems(int n) {
number_of_stack_items = n;
}
public int getNumberOfStackItems() {
return number_of_stack_items;
}
public void setTypesOfStackItems(StackMapType[] t) {
types_of_stack_items = t;
}
public StackMapType[] getTypesOfStackItems() {
return types_of_stack_items;
}
/**
* @return deep copy of this object
*/
public StackMapEntry copy() {
try {
return (StackMapEntry) clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
public void accept(Visitor v) {
v.visitStackMapEntry(this);
}
/**
* @return Constant pool used by this object.
*/
public final ConstantPool getConstantPool() {
return constant_pool;
}
/**
* @param constant_pool
* Constant pool to be used for this object.
*/
public final void setConstantPool(ConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
}

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@ -1,160 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class represents the type of a local variable or item on stack used in
* the StackMap entries.
*
* @version $Id: StackMapType.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see StackMapEntry
* @see StackMap
* @see Constants
*/
public final class StackMapType implements Cloneable {
private byte type;
private int index = -1; // Index to CONSTANT_Class or offset
private ConstantPool constant_pool;
/**
* Construct object from file stream.
*
* @param file
* Input stream
* @throws IOException
*/
StackMapType(DataInputStream file, ConstantPool constant_pool)
throws IOException {
this(file.readByte(), -1, constant_pool);
if (hasIndex()) {
setIndex(file.readShort());
}
setConstantPool(constant_pool);
}
/**
* @param type
* type tag as defined in the Constants interface
* @param index
* index to constant pool, or byte code offset
*/
public StackMapType(byte type, int index, ConstantPool constant_pool) {
setType(type);
setIndex(index);
setConstantPool(constant_pool);
}
public void setType(byte t) {
if ((t < Constants.ITEM_Bogus) || (t > Constants.ITEM_NewObject)) {
throw new RuntimeException("Illegal type for StackMapType: " + t);
}
type = t;
}
public byte getType() {
return type;
}
public void setIndex(int t) {
index = t;
}
/**
* @return index to constant pool if type == ITEM_Object, or offset in byte
* code, if type == ITEM_NewObject, and -1 otherwise
*/
public int getIndex() {
return index;
}
/**
* Dump type entries to file.
*
* @param file
* Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException {
file.writeByte(type);
if (hasIndex()) {
file.writeShort(getIndex());
}
}
/**
* @return true, if type is either ITEM_Object or ITEM_NewObject
*/
public final boolean hasIndex() {
return ((type == Constants.ITEM_Object) || (type == Constants.ITEM_NewObject));
}
private String printIndex() {
if (type == Constants.ITEM_Object) {
if (index < 0) {
return ", class=<unknown>";
}
return ", class="
+ constant_pool.constantToString(index,
Constants.CONSTANT_Class);
} else if (type == Constants.ITEM_NewObject) {
return ", offset=" + index;
} else {
return "";
}
}
/**
* @return String representation
*/
@Override
public final String toString() {
return "(type=" + Constants.ITEM_NAMES[type] + printIndex() + ")";
}
/**
* @return deep copy of this object
*/
public StackMapType copy() {
try {
return (StackMapType) clone();
} catch (CloneNotSupportedException e) {
}
return null;
}
/**
* @return Constant pool used by this object.
*/
public final ConstantPool getConstantPool() {
return constant_pool;
}
/**
* @param constant_pool
* Constant pool to be used for this object.
*/
public final void setConstantPool(ConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
}

159
src/org/apache/bcel/classfile/Synthetic.java
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@ -1,159 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Constants;
/**
* This class is derived from <em>Attribute</em> and declares this class as
* `synthetic', i.e., it needs special handling. The JVM specification states "A
* class member that does not appear in the source code must be marked using a
* Synthetic attribute." It may appear in the ClassFile attribute table, a
* field_info table or a method_info table. This class is intended to be
* instantiated from the <em>Attribute.readAttribute()</em> method.
*
* @version $Id: Synthetic.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Attribute
*/
public final class Synthetic extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private byte[] bytes;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use copy() for a physical copy.
*/
public Synthetic(Synthetic c) {
this(c.getNameIndex(), c.getLength(), c.getBytes(), c.getConstantPool());
}
/**
* @param name_index
* Index in constant pool to CONSTANT_Utf8, which should
* represent the string "Synthetic".
* @param length
* Content length in bytes - should be zero.
* @param bytes
* Attribute contents
* @param constant_pool
* The constant pool this attribute is associated with.
*/
public Synthetic(int name_index, int length, byte[] bytes,
ConstantPool constant_pool) {
super(Constants.ATTR_SYNTHETIC, name_index, length, constant_pool);
this.bytes = bytes;
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool to CONSTANT_Utf8
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
Synthetic(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (byte[]) null, constant_pool);
if (length > 0) {
bytes = new byte[length];
file.readFully(bytes);
System.err.println("Synthetic attribute with length > 0");
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitSynthetic(this);
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
if (length > 0) {
file.write(bytes, 0, length);
}
}
/**
* @return data bytes.
*/
public final byte[] getBytes() {
return bytes;
}
/**
* @param bytes
*/
public final void setBytes(byte[] bytes) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
StringBuffer buf = new StringBuffer("Synthetic");
if (length > 0) {
buf.append(" ").append(Utility.toHexString(bytes));
}
return buf.toString();
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
Synthetic c = (Synthetic) clone();
if (bytes != null) {
c.bytes = new byte[bytes.length];
System.arraycopy(bytes, 0, c.bytes, 0, bytes.length);
}
c.constant_pool = _constant_pool;
return c;
}
}

199
src/org/apache/bcel/classfile/Unknown.java
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@ -1,199 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.bcel.Constants;
/**
* This class represents a reference to an unknown (i.e., application-specific)
* attribute of a class. It is instantiated from the
* <em>Attribute.readAttribute()</em> method. Applications that need to read in
* application-specific attributes should create an <a
* href="./AttributeReader.html">AttributeReader</a> implementation and attach
* it via <a href="./Attribute.html#addAttributeReader(java.lang.String,
* org.apache.bcel.classfile.AttributeReader)">Attribute.addAttributeReader</a>.
*
*
* @version $Id: Unknown.java 386056 2006-03-15 11:31:56Z tcurdt $
* @see org.apache.bcel.classfile.Attribute
* @see org.apache.bcel.classfile.AttributeReader
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class Unknown extends Attribute {
/**
*
*/
private static final long serialVersionUID = 1L;
private byte[] bytes;
private String name;
private static Map<String, Unknown> unknown_attributes = new HashMap<String, Unknown>();
/**
* @return array of unknown attributes, but just one for each kind.
*/
static Unknown[] getUnknownAttributes() {
Unknown[] unknowns = new Unknown[unknown_attributes.size()];
Iterator<Unknown> entries = unknown_attributes.values().iterator();
for (int i = 0; entries.hasNext(); i++) {
unknowns[i] = entries.next();
}
unknown_attributes.clear();
return unknowns;
}
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public Unknown(Unknown c) {
this(c.getNameIndex(), c.getLength(), c.getBytes(), c.getConstantPool());
}
/**
* Create a non-standard attribute.
*
* @param name_index
* Index in constant pool
* @param length
* Content length in bytes
* @param bytes
* Attribute contents
* @param constant_pool
* Array of constants
*/
public Unknown(int name_index, int length, byte[] bytes,
ConstantPool constant_pool) {
super(Constants.ATTR_UNKNOWN, name_index, length, constant_pool);
this.bytes = bytes;
name = ((ConstantUtf8) constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8)).getBytes();
unknown_attributes.put(name, this);
}
/**
* Construct object from file stream.
*
* @param name_index
* Index in constant pool
* @param length
* Content length in bytes
* @param file
* Input stream
* @param constant_pool
* Array of constants
* @throws IOException
*/
Unknown(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException {
this(name_index, length, (byte[]) null, constant_pool);
if (length > 0) {
bytes = new byte[length];
file.readFully(bytes);
}
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitUnknown(this);
}
/**
* Dump unknown bytes to file stream.
*
* @param file
* Output file stream
* @throws IOException
*/
@Override
public final void dump(DataOutputStream file) throws IOException {
super.dump(file);
if (length > 0) {
file.write(bytes, 0, length);
}
}
/**
* @return data bytes.
*/
public final byte[] getBytes() {
return bytes;
}
/**
* @return name of attribute.
*/
public final String getName() {
return name;
}
/**
* @param bytes
* the bytes to set
*/
public final void setBytes(byte[] bytes) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
if (length == 0 || bytes == null) {
return "(Unknown attribute " + name + ")";
}
String hex;
if (length > 10) {
byte[] tmp = new byte[10];
System.arraycopy(bytes, 0, tmp, 0, 10);
hex = Utility.toHexString(tmp) + "... (truncated)";
} else {
hex = Utility.toHexString(bytes);
}
return "(Unknown attribute " + name + ": " + hex + ")";
}
/**
* @return deep copy of this attribute
*/
@Override
public Attribute copy(ConstantPool _constant_pool) {
Unknown c = (Unknown) clone();
if (bytes != null) {
c.bytes = new byte[bytes.length];
System.arraycopy(bytes, 0, c.bytes, 0, bytes.length);
}
c.constant_pool = _constant_pool;
return c;
}
}

1433
src/org/apache/bcel/classfile/Utility.java
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96
src/org/apache/bcel/classfile/Visitor.java
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@ -1,96 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.classfile;
/**
* Interface to make use of the Visitor pattern programming style. I.e. a class
* that implements this interface can traverse the contents of a Java class just
* by calling the `accept' method which all classes have.
*
* @version $Id: Visitor.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public interface Visitor {
// public void visitAnnotation(Annotations obj);
// public void visitParameterAnnotation(ParameterAnnotations obj);
// public void visitAnnotationEntry(AnnotationEntry obj);
// public void visitAnnotationDefault(AnnotationDefault obj);
public void visitCode(Code obj);
public void visitCodeException(CodeException obj);
public void visitConstantClass(ConstantClass obj);
public void visitConstantDouble(ConstantDouble obj);
public void visitConstantFieldref(ConstantFieldref obj);
public void visitConstantFloat(ConstantFloat obj);
public void visitConstantInteger(ConstantInteger obj);
public void visitConstantInterfaceMethodref(ConstantInterfaceMethodref obj);
public void visitConstantLong(ConstantLong obj);
public void visitConstantMethodref(ConstantMethodref obj);
public void visitConstantNameAndType(ConstantNameAndType obj);
public void visitConstantPool(ConstantPool obj);
public void visitConstantString(ConstantString obj);
public void visitConstantUtf8(ConstantUtf8 obj);
public void visitConstantValue(ConstantValue obj);
public void visitDeprecated(Deprecated obj);
public void visitExceptionTable(ExceptionTable obj);
public void visitField(Field obj);
public void visitInnerClass(InnerClass obj);
public void visitInnerClasses(InnerClasses obj);
public void visitJavaClass(JavaClass obj);
public void visitLineNumber(LineNumber obj);
public void visitLineNumberTable(LineNumberTable obj);
public void visitLocalVariable(LocalVariable obj);
public void visitLocalVariableTable(LocalVariableTable obj);
public void visitMethod(Method obj);
public void visitSignature(Signature obj);
public void visitSourceFile(SourceFile obj);
public void visitSynthetic(Synthetic obj);
public void visitUnknown(Unknown obj);
public void visitStackMap(StackMap obj);
public void visitStackMapEntry(StackMapEntry obj);
}

14
src/org/apache/bcel/classfile/package.html
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@ -1,14 +0,0 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<html>
<head>
<!--
$Id: package.html 152690 2001-10-29 19:59:54Z jvanzyl $
-->
</head>
<body bgcolor="white">
<p>
This package contains the classes that describe the structure of a
Java class file and a class file parser.
</p>
</body>
</html>

60
src/org/apache/bcel/generic/AALOAD.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* AALOAD - Load reference from array
*
* <PRE>
* Stack: ..., arrayref, index -&gt; value
* </PRE>
*
* @version $Id: AALOAD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class AALOAD extends ArrayInstruction implements StackProducer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Load reference from array
*/
public AALOAD() {
super(org.apache.bcel.Constants.AALOAD);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackProducer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitAALOAD(this);
}
}

60
src/org/apache/bcel/generic/AASTORE.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* AASTORE - Store into reference array
*
* <PRE>
* Stack: ..., arrayref, index, value -&gt; ...
* </PRE>
*
* @version $Id: AASTORE.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class AASTORE extends ArrayInstruction implements StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Store into reference array
*/
public AASTORE() {
super(org.apache.bcel.Constants.AASTORE);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackConsumer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitAASTORE(this);
}
}

68
src/org/apache/bcel/generic/ACONST_NULL.java
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@ -1,68 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* ACONST_NULL - Push null reference
*
* <PRE>
* Stack: ... -&gt; ..., null
* </PRE>
*
* @version $Id: ACONST_NULL.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ACONST_NULL extends Instruction implements PushInstruction,
TypedInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Push null reference
*/
public ACONST_NULL() {
super(org.apache.bcel.Constants.ACONST_NULL, (short) 1);
}
/**
* @return Type.NULL
*/
@Override
public Type getType(ConstantPoolGen cp) {
return Type.NULL;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackProducer(this);
v.visitPushInstruction(this);
v.visitTypedInstruction(this);
v.visitACONST_NULL(this);
}
}

70
src/org/apache/bcel/generic/ALOAD.java
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@ -1,70 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* ALOAD - Load reference from local variable
*
* <PRE>
* Stack: ... -&gt; ..., objectref
* </PRE>
*
* @version $Id: ALOAD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ALOAD extends LoadInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ALOAD() {
super(org.apache.bcel.Constants.ALOAD,
org.apache.bcel.Constants.ALOAD_0);
}
/**
* Load reference from local variable
*
* @param n
* index of local variable
*/
public ALOAD(int n) {
super(org.apache.bcel.Constants.ALOAD,
org.apache.bcel.Constants.ALOAD_0, n);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
super.accept(v);
v.visitALOAD(this);
}
}

89
src/org/apache/bcel/generic/ANEWARRAY.java
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@ -1,89 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.ExceptionConstants;
/**
* ANEWARRAY - Create new array of references
*
* <PRE>
* Stack: ..., count -&gt; ..., arrayref
* </PRE>
*
* @version $Id: ANEWARRAY.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ANEWARRAY extends CPInstruction implements LoadClass,
AllocationInstruction, ExceptionThrower, StackConsumer, StackProducer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ANEWARRAY() {
}
public ANEWARRAY(int index) {
super(org.apache.bcel.Constants.ANEWARRAY, index);
}
@Override
public Class<?>[] getExceptions() {
Class<?>[] cs = new Class[1 + ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length];
System.arraycopy(
ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION, 0, cs,
0,
ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length);
cs[ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length] = ExceptionConstants.NEGATIVE_ARRAY_SIZE_EXCEPTION;
return cs;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitLoadClass(this);
v.visitAllocationInstruction(this);
v.visitExceptionThrower(this);
v.visitStackProducer(this);
v.visitTypedInstruction(this);
v.visitCPInstruction(this);
v.visitANEWARRAY(this);
}
@Override
public ObjectType getLoadClassType(ConstantPoolGen cpg) {
Type t = getType(cpg);
if (t instanceof ArrayType) {
t = ((ArrayType) t).getBasicType();
}
return (t instanceof ObjectType) ? (ObjectType) t : null;
}
}

60
src/org/apache/bcel/generic/ARETURN.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* ARETURN - Return reference from method
*
* <PRE>
* Stack: ..., objectref -&gt; &lt;empty&gt;
* </PRE>
*
* @version $Id: ARETURN.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ARETURN extends ReturnInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Return reference from method
*/
public ARETURN() {
super(org.apache.bcel.Constants.ARETURN);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitStackConsumer(this);
v.visitReturnInstruction(this);
v.visitARETURN(this);
}
}

67
src/org/apache/bcel/generic/ARRAYLENGTH.java
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@ -1,67 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* ARRAYLENGTH - Get length of array
*
* <PRE>
* Stack: ..., arrayref -&gt; ..., length
* </PRE>
*
* @version $Id: ARRAYLENGTH.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ARRAYLENGTH extends Instruction implements ExceptionThrower,
StackProducer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Get length of array
*/
public ARRAYLENGTH() {
super(org.apache.bcel.Constants.ARRAYLENGTH, (short) 1);
}
/**
* @return exceptions this instruction may cause
*/
@Override
public Class<?>[] getExceptions() {
return new Class[] { org.apache.bcel.ExceptionConstants.NULL_POINTER_EXCEPTION };
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitExceptionThrower(this);
v.visitStackProducer(this);
v.visitARRAYLENGTH(this);
}
}

70
src/org/apache/bcel/generic/ASTORE.java
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@ -1,70 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* ASTORE - Store reference into local variable
*
* <PRE>
* Stack ..., objectref -&gt; ...
* </PRE>
*
* @version $Id: ASTORE.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ASTORE extends StoreInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ASTORE() {
super(org.apache.bcel.Constants.ASTORE,
org.apache.bcel.Constants.ASTORE_0);
}
/**
* Store reference into local variable
*
* @param n
* index of local variable
*/
public ASTORE(int n) {
super(org.apache.bcel.Constants.ASTORE,
org.apache.bcel.Constants.ASTORE_0, n);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
super.accept(v);
v.visitASTORE(this);
}
}

67
src/org/apache/bcel/generic/ATHROW.java
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@ -1,67 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* ATHROW - Throw exception
*
* <PRE>
* Stack: ..., objectref -&gt; objectref
* </PRE>
*
* @version $Id: ATHROW.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ATHROW extends Instruction implements UnconditionalBranch,
ExceptionThrower {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Throw exception
*/
public ATHROW() {
super(org.apache.bcel.Constants.ATHROW, (short) 1);
}
/**
* @return exceptions this instruction may cause
*/
@Override
public Class<?>[] getExceptions() {
return new Class[] { org.apache.bcel.ExceptionConstants.THROWABLE };
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitUnconditionalBranch(this);
v.visitExceptionThrower(this);
v.visitATHROW(this);
}
}

26
src/org/apache/bcel/generic/AllocationInstruction.java
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@ -1,26 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* Denote family of instructions that allocates space in the heap.
*
* @version $Id: AllocationInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public interface AllocationInstruction {
}

100
src/org/apache/bcel/generic/ArithmeticInstruction.java
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@ -1,100 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.Constants;
/**
* Super class for the family of arithmetic instructions.
*
* @version $Id: ArithmeticInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class ArithmeticInstruction extends Instruction implements
TypedInstruction, StackProducer, StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ArithmeticInstruction() {
}
/**
* @param opcode
* of instruction
*/
protected ArithmeticInstruction(short opcode) {
super(opcode, (short) 1);
}
/**
* @return type associated with the instruction
*/
@Override
public Type getType(ConstantPoolGen cp) {
switch (opcode) {
case Constants.DADD:
case Constants.DDIV:
case Constants.DMUL:
case Constants.DNEG:
case Constants.DREM:
case Constants.DSUB:
return Type.DOUBLE;
case Constants.FADD:
case Constants.FDIV:
case Constants.FMUL:
case Constants.FNEG:
case Constants.FREM:
case Constants.FSUB:
return Type.FLOAT;
case Constants.IADD:
case Constants.IAND:
case Constants.IDIV:
case Constants.IMUL:
case Constants.INEG:
case Constants.IOR:
case Constants.IREM:
case Constants.ISHL:
case Constants.ISHR:
case Constants.ISUB:
case Constants.IUSHR:
case Constants.IXOR:
return Type.INT;
case Constants.LADD:
case Constants.LAND:
case Constants.LDIV:
case Constants.LMUL:
case Constants.LNEG:
case Constants.LOR:
case Constants.LREM:
case Constants.LSHL:
case Constants.LSHR:
case Constants.LSUB:
case Constants.LUSHR:
case Constants.LXOR:
return Type.LONG;
default: // Never reached
throw new ClassGenException("Unknown type " + opcode);
}
}
}

87
src/org/apache/bcel/generic/ArrayInstruction.java
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@ -1,87 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* Super class for instructions dealing with array access such as IALOAD.
*
* @version $Id: ArrayInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class ArrayInstruction extends Instruction implements
ExceptionThrower, TypedInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ArrayInstruction() {
}
/**
* @param opcode
* of instruction
*/
protected ArrayInstruction(short opcode) {
super(opcode, (short) 1);
}
@Override
public Class<?>[] getExceptions() {
return org.apache.bcel.ExceptionConstants.EXCS_ARRAY_EXCEPTION;
}
/**
* @return type associated with the instruction
*/
@Override
public Type getType(ConstantPoolGen cp) {
switch (opcode) {
case org.apache.bcel.Constants.IALOAD:
case org.apache.bcel.Constants.IASTORE:
return Type.INT;
case org.apache.bcel.Constants.CALOAD:
case org.apache.bcel.Constants.CASTORE:
return Type.CHAR;
case org.apache.bcel.Constants.BALOAD:
case org.apache.bcel.Constants.BASTORE:
return Type.BYTE;
case org.apache.bcel.Constants.SALOAD:
case org.apache.bcel.Constants.SASTORE:
return Type.SHORT;
case org.apache.bcel.Constants.LALOAD:
case org.apache.bcel.Constants.LASTORE:
return Type.LONG;
case org.apache.bcel.Constants.DALOAD:
case org.apache.bcel.Constants.DASTORE:
return Type.DOUBLE;
case org.apache.bcel.Constants.FALOAD:
case org.apache.bcel.Constants.FASTORE:
return Type.FLOAT;
case org.apache.bcel.Constants.AALOAD:
case org.apache.bcel.Constants.AASTORE:
return Type.OBJECT;
default:
throw new ClassGenException("Oops: unknown case in switch" + opcode);
}
}
}

134
src/org/apache/bcel/generic/ArrayType.java
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@ -1,134 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.Constants;
/**
* Denotes array type, such as int[][]
*
* @version $Id: ArrayType.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class ArrayType extends ReferenceType {
/**
*
*/
private static final long serialVersionUID = 1L;
private int dimensions;
private Type basic_type;
/**
* Convenience constructor for array type, e.g. int[]
*
* @param type
* array type, e.g. T_INT
*/
public ArrayType(byte type, int dimensions) {
this(BasicType.getType(type), dimensions);
}
/**
* Convenience constructor for reference array type, e.g. Object[]
*
* @param class_name
* complete name of class (java.lang.String, e.g.)
*/
public ArrayType(String class_name, int dimensions) {
this(new ObjectType(class_name), dimensions);
}
/**
* Constructor for array of given type
*
* @param type
* type of array (may be an array itself)
*/
public ArrayType(Type type, int dimensions) {
super(Constants.T_ARRAY, "<dummy>");
if ((dimensions < 1) || (dimensions > Constants.MAX_BYTE)) {
throw new ClassGenException("Invalid number of dimensions: "
+ dimensions);
}
switch (type.getType()) {
case Constants.T_ARRAY:
ArrayType array = (ArrayType) type;
this.dimensions = dimensions + array.dimensions;
basic_type = array.basic_type;
break;
case Constants.T_VOID:
throw new ClassGenException("Invalid type: void[]");
default: // Basic type or reference
this.dimensions = dimensions;
basic_type = type;
break;
}
StringBuffer buf = new StringBuffer();
for (int i = 0; i < this.dimensions; i++) {
buf.append('[');
}
buf.append(basic_type.getSignature());
signature = buf.toString();
}
/**
* @return basic type of array, i.e., for int[][][] the basic type is int
*/
public Type getBasicType() {
return basic_type;
}
/**
* @return element type of array, i.e., for int[][][] the element type is
* int[][]
*/
public Type getElementType() {
if (dimensions == 1) {
return basic_type;
}
return new ArrayType(basic_type, dimensions - 1);
}
/**
* @return number of dimensions of array
*/
public int getDimensions() {
return dimensions;
}
/**
* @return a hash code value for the object.
*/
@Override
public int hashCode() {
return basic_type.hashCode() ^ dimensions;
}
/**
* @return true if both type objects refer to the same array type.
*/
@Override
public boolean equals(Object _type) {
if (_type instanceof ArrayType) {
ArrayType array = (ArrayType) _type;
return (array.dimensions == dimensions)
&& array.basic_type.equals(basic_type);
}
return false;
}
}

60
src/org/apache/bcel/generic/BALOAD.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* BALOAD - Load byte or boolean from array
*
* <PRE>
* Stack: ..., arrayref, index -&gt; ..., value
* </PRE>
*
* @version $Id: BALOAD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class BALOAD extends ArrayInstruction implements StackProducer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Load byte or boolean from array
*/
public BALOAD() {
super(org.apache.bcel.Constants.BALOAD);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackProducer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitBALOAD(this);
}
}

60
src/org/apache/bcel/generic/BASTORE.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* BASTORE - Store into byte or boolean array
*
* <PRE>
* Stack: ..., arrayref, index, value -&gt; ...
* </PRE>
*
* @version $Id: BASTORE.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class BASTORE extends ArrayInstruction implements StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Store byte or boolean into array
*/
public BASTORE() {
super(org.apache.bcel.Constants.BASTORE);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackConsumer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitBASTORE(this);
}
}

113
src/org/apache/bcel/generic/BIPUSH.java
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@ -1,113 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.util.ByteSequence;
/**
* BIPUSH - Push byte on stack
*
* <PRE>
* Stack: ... -&gt; ..., value
* </PRE>
*
* @version $Id: BIPUSH.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class BIPUSH extends Instruction implements ConstantPushInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
private byte b;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
BIPUSH() {
}
/**
* Push byte on stack
*/
public BIPUSH(byte b) {
super(org.apache.bcel.Constants.BIPUSH, (short) 2);
this.b = b;
}
/**
* Dump instruction as byte code to stream out.
*/
@Override
public void dump(DataOutputStream out) throws IOException {
super.dump(out);
out.writeByte(b);
}
/**
* @return mnemonic for instruction
*/
@Override
public String toString(boolean verbose) {
return super.toString(verbose) + " " + b;
}
/**
* Read needed data (e.g. index) from file.
*/
@Override
protected void initFromFile(ByteSequence bytes, boolean wide)
throws IOException {
length = 2;
b = bytes.readByte();
}
@Override
public Number getValue() {
return new Integer(b);
}
/**
* @return Type.BYTE
*/
@Override
public Type getType(ConstantPoolGen cp) {
return Type.BYTE;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitPushInstruction(this);
v.visitStackProducer(this);
v.visitTypedInstruction(this);
v.visitConstantPushInstruction(this);
v.visitBIPUSH(this);
}
}

49
src/org/apache/bcel/generic/BREAKPOINT.java
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@ -1,49 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* BREAKPOINT, JVM dependent, ignored by default
*
* @version $Id: BREAKPOINT.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class BREAKPOINT extends Instruction {
/**
*
*/
private static final long serialVersionUID = 1L;
public BREAKPOINT() {
super(org.apache.bcel.Constants.BREAKPOINT, (short) 1);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitBREAKPOINT(this);
}
}

89
src/org/apache/bcel/generic/BasicType.java
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@ -1,89 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.Constants;
/**
* Denotes basic type such as int.
*
* @version $Id: BasicType.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class BasicType extends Type {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Constructor for basic types such as int, long, `void'
*
* @param type
* one of T_INT, T_BOOLEAN, ..., T_VOID
* @see org.apache.bcel.Constants
*/
BasicType(byte type) {
super(type, Constants.SHORT_TYPE_NAMES[type]);
if ((type < Constants.T_BOOLEAN) || (type > Constants.T_VOID)) {
throw new ClassGenException("Invalid type: " + type);
}
}
public static final BasicType getType(byte type) {
switch (type) {
case Constants.T_VOID:
return VOID;
case Constants.T_BOOLEAN:
return BOOLEAN;
case Constants.T_BYTE:
return BYTE;
case Constants.T_SHORT:
return SHORT;
case Constants.T_CHAR:
return CHAR;
case Constants.T_INT:
return INT;
case Constants.T_LONG:
return LONG;
case Constants.T_DOUBLE:
return DOUBLE;
case Constants.T_FLOAT:
return FLOAT;
default:
throw new ClassGenException("Invalid type: " + type);
}
}
/**
* @return a hash code value for the object.
*/
@Override
public int hashCode() {
return type;
}
/**
* @return true if both type objects refer to the same type
*/
@Override
public boolean equals(Object _type) {
return (_type instanceof BasicType) ? ((BasicType) _type).type == this.type
: false;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* BranchHandle is returned by specialized InstructionList.append() whenever a
* BranchInstruction is appended. This is useful when the target of this
* instruction is not known at time of creation and must be set later via
* setTarget().
*
* @see InstructionHandle
* @see Instruction
* @see InstructionList
* @version $Id: BranchHandle.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public final class BranchHandle extends InstructionHandle {
/**
*
*/
private static final long serialVersionUID = 1L;
private BranchInstruction bi; // An alias in fact, but saves lots of casts
private BranchHandle(BranchInstruction i) {
super(i);
bi = i;
}
/**
* Factory methods.
*/
private static BranchHandle bh_list = null; // List of reusable handles
static final BranchHandle getBranchHandle(BranchInstruction i) {
if (bh_list == null) {
return new BranchHandle(i);
}
BranchHandle bh = bh_list;
bh_list = (BranchHandle) bh.next;
bh.setInstruction(i);
return bh;
}
/**
* Handle adds itself to the list of resuable handles.
*/
@Override
protected void addHandle() {
next = bh_list;
bh_list = this;
}
/*
* Override InstructionHandle methods: delegate to branch instruction.
* Through this overriding all access to the private i_position field should
* be prevented.
*/
@Override
public int getPosition() {
return bi.position;
}
@Override
void setPosition(int pos) {
i_position = bi.position = pos;
}
@Override
protected int updatePosition(int offset, int max_offset) {
int x = bi.updatePosition(offset, max_offset);
i_position = bi.position;
return x;
}
/**
* Pass new target to instruction.
*/
public void setTarget(InstructionHandle ih) {
bi.setTarget(ih);
}
/**
* Update target of instruction.
*/
public void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) {
bi.updateTarget(old_ih, new_ih);
}
/**
* @return target of instruction.
*/
public InstructionHandle getTarget() {
return bi.getTarget();
}
/**
* Set new contents. Old instruction is disposed and may not be used
* anymore.
*/
@Override
public void setInstruction(Instruction i) {
super.setInstruction(i);
if (!(i instanceof BranchInstruction)) {
throw new ClassGenException("Assigning " + i
+ " to branch handle which is not a branch instruction");
}
bi = (BranchInstruction) i;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.util.ByteSequence;
/**
* Abstract super class for branching instructions like GOTO, IFEQ, etc.. Branch
* instructions may have a variable length, namely GOTO, JSR, LOOKUPSWITCH and
* TABLESWITCH.
*
* @see InstructionList
* @version $Id: BranchInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class BranchInstruction extends Instruction implements
InstructionTargeter {
/**
*
*/
private static final long serialVersionUID = 1L;
protected int index; // Branch target relative to this instruction
protected InstructionHandle target; // Target object in instruction list
protected int position; // Byte code offset
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
BranchInstruction() {
}
/**
* Common super constructor
*
* @param opcode
* Instruction opcode
* @param target
* instruction to branch to
*/
protected BranchInstruction(short opcode, InstructionHandle target) {
super(opcode, (short) 3);
setTarget(target);
}
/**
* Dump instruction as byte code to stream out.
*
* @param out
* Output stream
*/
@Override
public void dump(DataOutputStream out) throws IOException {
out.writeByte(opcode);
index = getTargetOffset();
if (Math.abs(index) >= 32767) {
throw new ClassGenException(
"Branch target offset too large for short");
}
out.writeShort(index); // May be negative, i.e., point backwards
}
/**
* @param _target
* branch target
* @return the offset to `target' relative to this instruction
*/
protected int getTargetOffset(InstructionHandle _target) {
if (_target == null) {
throw new ClassGenException("Target of " + super.toString(true)
+ " is invalid null handle");
}
int t = _target.getPosition();
if (t < 0) {
throw new ClassGenException(
"Invalid branch target position offset for "
+ super.toString(true) + ":" + t + ":" + _target);
}
return t - position;
}
/**
* @return the offset to this instruction's target
*/
protected int getTargetOffset() {
return getTargetOffset(target);
}
/**
* Called by InstructionList.setPositions when setting the position for
* every instruction. In the presence of variable length instructions
* `setPositions' performs multiple passes over the instruction list to
* calculate the correct (byte) positions and offsets by calling this
* function.
*
* @param offset
* additional offset caused by preceding (variable length)
* instructions
* @param max_offset
* the maximum offset that may be caused by these instructions
* @return additional offset caused by possible change of this instruction's
* length
*/
protected int updatePosition(int offset, int max_offset) {
position += offset;
return 0;
}
/**
* Long output format:
*
* &lt;position in byte code&gt; &lt;name of opcode&gt; "["&lt;opcode
* number&gt;"]" "("&lt;length of instruction&gt;")" "&lt;"&lt;target
* instruction&gt;"&gt;" "@"&lt;branch target offset&gt;
*
* @param verbose
* long/short format switch
* @return mnemonic for instruction
*/
@Override
public String toString(boolean verbose) {
String s = super.toString(verbose);
String t = "null";
if (verbose) {
if (target != null) {
if (target.getInstruction() == this) {
t = "<points to itself>";
} else if (target.getInstruction() == null) {
t = "<null instruction!!!?>";
} else {
t = target.getInstruction().toString(false); // Avoid
// circles
}
}
} else {
if (target != null) {
index = getTargetOffset();
t = "" + (index + position);
}
}
return s + " -> " + t;
}
/**
* Read needed data (e.g. index) from file. Conversion to a
* InstructionHandle is done in InstructionList(byte[]).
*
* @param bytes
* input stream
* @param wide
* wide prefix?
* @see InstructionList
*/
@Override
protected void initFromFile(ByteSequence bytes, boolean wide)
throws IOException {
length = 3;
index = bytes.readShort();
}
/**
* @return target offset in byte code
*/
public final int getIndex() {
return index;
}
/**
* @return target of branch instruction
*/
public InstructionHandle getTarget() {
return target;
}
/**
* Set branch target
*
* @param target
* branch target
*/
public void setTarget(InstructionHandle target) {
notifyTarget(this.target, target, this);
this.target = target;
}
/**
* Used by BranchInstruction, LocalVariableGen, CodeExceptionGen
*/
static final void notifyTarget(InstructionHandle old_ih,
InstructionHandle new_ih, InstructionTargeter t) {
if (old_ih != null) {
old_ih.removeTargeter(t);
}
if (new_ih != null) {
new_ih.addTargeter(t);
}
}
/**
* @param old_ih
* old target
* @param new_ih
* new target
*/
@Override
public void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) {
if (target == old_ih) {
setTarget(new_ih);
} else {
throw new ClassGenException("Not targeting " + old_ih + ", but "
+ target);
}
}
/**
* @return true, if ih is target of this instruction
*/
@Override
public boolean containsTarget(InstructionHandle ih) {
return (target == ih);
}
/**
* Inform target that it's not targeted anymore.
*/
@Override
void dispose() {
setTarget(null);
index = -1;
position = -1;
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* CALOAD - Load char from array
*
* <PRE>
* Stack: ..., arrayref, index -&gt; ..., value
* </PRE>
*
* @version $Id: CALOAD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class CALOAD extends ArrayInstruction implements StackProducer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Load char from array
*/
public CALOAD() {
super(org.apache.bcel.Constants.CALOAD);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackProducer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitCALOAD(this);
}
}

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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* CASTORE - Store into char array
*
* <PRE>
* Stack: ..., arrayref, index, value -&gt; ...
* </PRE>
*
* @version $Id: CASTORE.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class CASTORE extends ArrayInstruction implements StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Store char into array
*/
public CASTORE() {
super(org.apache.bcel.Constants.CASTORE);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackConsumer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitCASTORE(this);
}
}

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src/org/apache/bcel/generic/CHECKCAST.java
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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.ExceptionConstants;
/**
* CHECKCAST - Check whether object is of given type
*
* <PRE>
* Stack: ..., objectref -&gt; ..., objectref
* </PRE>
*
* @version $Id: CHECKCAST.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class CHECKCAST extends CPInstruction implements LoadClass,
ExceptionThrower, StackProducer, StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
CHECKCAST() {
}
/**
* Check whether object is of given type
*
* @param index
* index to class in constant pool
*/
public CHECKCAST(int index) {
super(org.apache.bcel.Constants.CHECKCAST, index);
}
/**
* @return exceptions this instruction may cause
*/
@Override
public Class<?>[] getExceptions() {
Class<?>[] cs = new Class[1 + ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length];
System.arraycopy(
ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION, 0, cs,
0,
ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length);
cs[ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length] = ExceptionConstants.CLASS_CAST_EXCEPTION;
return cs;
}
@Override
public ObjectType getLoadClassType(ConstantPoolGen cpg) {
Type t = getType(cpg);
if (t instanceof ArrayType) {
t = ((ArrayType) t).getBasicType();
}
return (t instanceof ObjectType) ? (ObjectType) t : null;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitLoadClass(this);
v.visitExceptionThrower(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitTypedInstruction(this);
v.visitCPInstruction(this);
v.visitCHECKCAST(this);
}
}

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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.classfile.Constant;
import org.apache.bcel.classfile.ConstantClass;
import org.apache.bcel.classfile.ConstantPool;
import org.apache.bcel.util.ByteSequence;
/**
* Abstract super class for instructions that use an index into the constant
* pool such as LDC, INVOKEVIRTUAL, etc.
*
* @see ConstantPoolGen
* @see LDC
* @see INVOKEVIRTUAL
*
* @version $Id: CPInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class CPInstruction extends Instruction implements
TypedInstruction, IndexedInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
protected int index; // index to constant pool
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
CPInstruction() {
}
/**
* @param index
* to constant pool
*/
protected CPInstruction(short opcode, int index) {
super(opcode, (short) 3);
setIndex(index);
}
/**
* Dump instruction as byte code to stream out.
*
* @param out
* Output stream
*/
@Override
public void dump(DataOutputStream out) throws IOException {
out.writeByte(opcode);
out.writeShort(index);
}
/**
* Long output format:
*
* &lt;name of opcode&gt; "["&lt;opcode number&gt;"]" "("&lt;length of
* instruction&gt;")" "&lt;"&lt; constant pool index&gt;"&gt;"
*
* @param verbose
* long/short format switch
* @return mnemonic for instruction
*/
@Override
public String toString(boolean verbose) {
return super.toString(verbose) + " " + index;
}
/**
* @return mnemonic for instruction with symbolic references resolved
*/
@Override
public String toString(ConstantPool cp) {
Constant c = cp.getConstant(index);
String str = cp.constantToString(c);
if (c instanceof ConstantClass) {
str = str.replace('.', '/');
}
return org.apache.bcel.Constants.OPCODE_NAMES[opcode] + " " + str;
}
/**
* Read needed data (i.e., index) from file.
*
* @param bytes
* input stream
* @param wide
* wide prefix?
*/
@Override
protected void initFromFile(ByteSequence bytes, boolean wide)
throws IOException {
setIndex(bytes.readUnsignedShort());
length = 3;
}
/**
* @return index in constant pool referred by this instruction.
*/
@Override
public final int getIndex() {
return index;
}
/**
* Set the index to constant pool.
*
* @param index
* in constant pool.
*/
@Override
public void setIndex(int index) {
if (index < 0) {
throw new ClassGenException("Negative index value: " + index);
}
this.index = index;
}
/**
* @return type related with this instruction.
*/
@Override
public Type getType(ConstantPoolGen cpg) {
ConstantPool cp = cpg.getConstantPool();
String name = cp.getConstantString(index,
org.apache.bcel.Constants.CONSTANT_Class);
if (!name.startsWith("[")) {
name = "L" + name + ";";
}
return Type.getType(name);
}
}

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src/org/apache/bcel/generic/ClassGen.java
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@ -1,556 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.bcel.Constants;
import org.apache.bcel.classfile.AccessFlags;
import org.apache.bcel.classfile.Attribute;
import org.apache.bcel.classfile.ConstantPool;
import org.apache.bcel.classfile.Field;
import org.apache.bcel.classfile.JavaClass;
import org.apache.bcel.classfile.Method;
import org.apache.bcel.classfile.SourceFile;
import org.apache.bcel.util.BCELComparator;
/**
* Template class for building up a java class. May be initialized with an
* existing java class (file).
*
* @see JavaClass
* @version $Id: ClassGen.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ClassGen extends AccessFlags implements Cloneable {
/**
*
*/
private static final long serialVersionUID = 1L;
/*
* Corresponds to the fields found in a JavaClass object.
*/
private String class_name, super_class_name, file_name;
private int class_name_index = -1, superclass_name_index = -1;
private int major = Constants.MAJOR_1_1, minor = Constants.MINOR_1_1;
private ConstantPoolGen cp; // Template for building up constant pool
// ArrayLists instead of arrays to gather fields, methods, etc.
private List<Field> field_vec = new ArrayList<Field>();
private List<Method> method_vec = new ArrayList<Method>();
private List<Attribute> attribute_vec = new ArrayList<Attribute>();
private List<String> interface_vec = new ArrayList<String>();
private static BCELComparator _cmp = new BCELComparator() {
@Override
public boolean equals(Object o1, Object o2) {
ClassGen THIS = (ClassGen) o1;
ClassGen THAT = (ClassGen) o2;
return THIS.getClassName().equals(THAT.getClassName());
}
@Override
public int hashCode(Object o) {
ClassGen THIS = (ClassGen) o;
return THIS.getClassName().hashCode();
}
};
/**
* Convenience constructor to set up some important values initially.
*
* @param class_name
* fully qualified class name
* @param super_class_name
* fully qualified superclass name
* @param file_name
* source file name
* @param access_flags
* access qualifiers
* @param interfaces
* implemented interfaces
* @param cp
* constant pool to use
*/
public ClassGen(String class_name, String super_class_name,
String file_name, int access_flags, String[] interfaces,
ConstantPoolGen cp) {
this.class_name = class_name;
this.super_class_name = super_class_name;
this.file_name = file_name;
this.access_flags = access_flags;
this.cp = cp;
// Put everything needed by default into the constant pool and the
// vectors
if (file_name != null) {
addAttribute(new SourceFile(cp.addUtf8("SourceFile"), 2,
cp.addUtf8(file_name), cp.getConstantPool()));
}
class_name_index = cp.addClass(class_name);
superclass_name_index = cp.addClass(super_class_name);
if (interfaces != null) {
for (int i = 0; i < interfaces.length; i++) {
addInterface(interfaces[i]);
}
}
}
/**
* Convenience constructor to set up some important values initially.
*
* @param class_name
* fully qualified class name
* @param super_class_name
* fully qualified superclass name
* @param file_name
* source file name
* @param access_flags
* access qualifiers
* @param interfaces
* implemented interfaces
*/
public ClassGen(String class_name, String super_class_name,
String file_name, int access_flags, String[] interfaces) {
this(class_name, super_class_name, file_name, access_flags, interfaces,
new ConstantPoolGen());
}
/**
* Initialize with existing class.
*
* @param clazz
* JavaClass object (e.g. read from file)
*/
public ClassGen(JavaClass clazz) {
class_name_index = clazz.getClassNameIndex();
superclass_name_index = clazz.getSuperclassNameIndex();
class_name = clazz.getClassName();
super_class_name = clazz.getSuperclassName();
file_name = clazz.getSourceFileName();
access_flags = clazz.getAccessFlags();
cp = new ConstantPoolGen(clazz.getConstantPool());
major = clazz.getMajor();
minor = clazz.getMinor();
Attribute[] attributes = clazz.getAttributes();
Method[] methods = clazz.getMethods();
Field[] fields = clazz.getFields();
String[] interfaces = clazz.getInterfaceNames();
for (int i = 0; i < interfaces.length; i++) {
addInterface(interfaces[i]);
}
for (int i = 0; i < attributes.length; i++) {
addAttribute(attributes[i]);
}
for (int i = 0; i < methods.length; i++) {
addMethod(methods[i]);
}
for (int i = 0; i < fields.length; i++) {
addField(fields[i]);
}
}
/**
* @return the (finally) built up Java class object.
*/
public JavaClass getJavaClass() {
int[] interfaces = getInterfaces();
Field[] fields = getFields();
Method[] methods = getMethods();
Attribute[] attributes = getAttributes();
// Must be last since the above calls may still add something to it
ConstantPool _cp = this.cp.getFinalConstantPool();
return new JavaClass(class_name_index, superclass_name_index,
file_name, major, minor, access_flags, _cp, interfaces, fields,
methods, attributes);
}
/**
* Add an interface to this class, i.e., this class has to implement it.
*
* @param name
* interface to implement (fully qualified class name)
*/
public void addInterface(String name) {
interface_vec.add(name);
}
/**
* Remove an interface from this class.
*
* @param name
* interface to remove (fully qualified name)
*/
public void removeInterface(String name) {
interface_vec.remove(name);
}
/**
* @return major version number of class file
*/
public int getMajor() {
return major;
}
/**
* Set major version number of class file, default value is 45 (JDK 1.1)
*
* @param major
* major version number
*/
public void setMajor(int major) {
this.major = major;
}
/**
* Set minor version number of class file, default value is 3 (JDK 1.1)
*
* @param minor
* minor version number
*/
public void setMinor(int minor) {
this.minor = minor;
}
/**
* @return minor version number of class file
*/
public int getMinor() {
return minor;
}
/**
* Add an attribute to this class.
*
* @param a
* attribute to add
*/
public void addAttribute(Attribute a) {
attribute_vec.add(a);
}
/**
* Add a method to this class.
*
* @param m
* method to add
*/
public void addMethod(Method m) {
method_vec.add(m);
}
/**
* Convenience method.
*
* Add an empty constructor to this class that does nothing but calling
* super().
*
* @param access_flags
* rights for constructor
*/
public void addEmptyConstructor(int access_flags) {
InstructionList il = new InstructionList();
il.append(InstructionConstants.THIS); // Push `this'
il.append(new INVOKESPECIAL(cp.addMethodref(super_class_name, "<init>",
"()V")));
il.append(InstructionConstants.RETURN);
MethodGen mg = new MethodGen(access_flags, Type.VOID, Type.NO_ARGS,
null, "<init>", class_name, il, cp);
mg.setMaxStack(1);
addMethod(mg.getMethod());
}
/**
* Add a field to this class.
*
* @param f
* field to add
*/
public void addField(Field f) {
field_vec.add(f);
}
public boolean containsField(Field f) {
return field_vec.contains(f);
}
/**
* @return field object with given name, or null
*/
public Field containsField(String name) {
for (Iterator<Field> e = field_vec.iterator(); e.hasNext();) {
Field f = e.next();
if (f.getName().equals(name)) {
return f;
}
}
return null;
}
/**
* @return method object with given name and signature, or null
*/
public Method containsMethod(String name, String signature) {
for (Iterator<Method> e = method_vec.iterator(); e.hasNext();) {
Method m = e.next();
if (m.getName().equals(name) && m.getSignature().equals(signature)) {
return m;
}
}
return null;
}
/**
* Remove an attribute from this class.
*
* @param a
* attribute to remove
*/
public void removeAttribute(Attribute a) {
attribute_vec.remove(a);
}
/**
* Remove a method from this class.
*
* @param m
* method to remove
*/
public void removeMethod(Method m) {
method_vec.remove(m);
}
/**
* Replace given method with new one. If the old one does not exist add the
* new_ method to the class anyway.
*/
public void replaceMethod(Method old, Method new_) {
if (new_ == null) {
throw new ClassGenException("Replacement method must not be null");
}
int i = method_vec.indexOf(old);
if (i < 0) {
method_vec.add(new_);
} else {
method_vec.set(i, new_);
}
}
/**
* Replace given field with new one. If the old one does not exist add the
* new_ field to the class anyway.
*/
public void replaceField(Field old, Field new_) {
if (new_ == null) {
throw new ClassGenException("Replacement method must not be null");
}
int i = field_vec.indexOf(old);
if (i < 0) {
field_vec.add(new_);
} else {
field_vec.set(i, new_);
}
}
/**
* Remove a field to this class.
*
* @param f
* field to remove
*/
public void removeField(Field f) {
field_vec.remove(f);
}
public String getClassName() {
return class_name;
}
public String getSuperclassName() {
return super_class_name;
}
public String getFileName() {
return file_name;
}
public void setClassName(String name) {
class_name = name.replace('/', '.');
class_name_index = cp.addClass(name);
}
public void setSuperclassName(String name) {
super_class_name = name.replace('/', '.');
superclass_name_index = cp.addClass(name);
}
public Method[] getMethods() {
return method_vec.toArray(new Method[method_vec.size()]);
}
public void setMethods(Method[] methods) {
method_vec.clear();
for (int m = 0; m < methods.length; m++) {
addMethod(methods[m]);
}
}
public void setMethodAt(Method method, int pos) {
method_vec.set(pos, method);
}
public Method getMethodAt(int pos) {
return method_vec.get(pos);
}
public String[] getInterfaceNames() {
int size = interface_vec.size();
String[] interfaces = new String[size];
interface_vec.toArray(interfaces);
return interfaces;
}
public int[] getInterfaces() {
int size = interface_vec.size();
int[] interfaces = new int[size];
for (int i = 0; i < size; i++) {
interfaces[i] = cp.addClass(interface_vec.get(i));
}
return interfaces;
}
public Field[] getFields() {
return field_vec.toArray(new Field[field_vec.size()]);
}
public Attribute[] getAttributes() {
return attribute_vec.toArray(new Attribute[attribute_vec.size()]);
}
public ConstantPoolGen getConstantPool() {
return cp;
}
public void setConstantPool(ConstantPoolGen constant_pool) {
cp = constant_pool;
}
public void setClassNameIndex(int class_name_index) {
this.class_name_index = class_name_index;
class_name = cp.getConstantPool()
.getConstantString(class_name_index, Constants.CONSTANT_Class)
.replace('/', '.');
}
public void setSuperclassNameIndex(int superclass_name_index) {
this.superclass_name_index = superclass_name_index;
super_class_name = cp
.getConstantPool()
.getConstantString(superclass_name_index,
Constants.CONSTANT_Class).replace('/', '.');
}
public int getSuperclassNameIndex() {
return superclass_name_index;
}
public int getClassNameIndex() {
return class_name_index;
}
private ArrayList<ClassObserver> observers;
/**
* Add observer for this object.
*/
public void addObserver(ClassObserver o) {
if (observers == null) {
observers = new ArrayList<ClassObserver>();
}
observers.add(o);
}
/**
* Remove observer for this object.
*/
public void removeObserver(ClassObserver o) {
if (observers != null) {
observers.remove(o);
}
}
/**
* Call notify() method on all observers. This method is not called
* automatically whenever the state has changed, but has to be called by the
* user after he has finished editing the object.
*/
public void update() {
if (observers != null) {
for (Iterator<ClassObserver> e = observers.iterator(); e.hasNext();) {
e.next().notify(this);
}
}
}
@Override
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
System.err.println(e);
return null;
}
}
/**
* @return Comparison strategy object
*/
public static BCELComparator getComparator() {
return _cmp;
}
/**
* @param comparator
* Comparison strategy object
*/
public static void setComparator(BCELComparator comparator) {
_cmp = comparator;
}
/**
* Return value as defined by given BCELComparator strategy. By default two
* ClassGen objects are said to be equal when their class names are equal.
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return _cmp.equals(this, obj);
}
/**
* Return value as defined by given BCELComparator strategy. By default
* return the hashcode of the class name.
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return _cmp.hashCode(this);
}
}

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src/org/apache/bcel/generic/ClassGenException.java
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@ -1,40 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* Thrown on internal errors. Extends RuntimeException so it hasn't to be
* declared in the throws clause every time.
*
* @version $Id: ClassGenException.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class ClassGenException extends RuntimeException {
/**
*
*/
private static final long serialVersionUID = 1L;
public ClassGenException() {
super();
}
public ClassGenException(String s) {
super(s);
}
}

29
src/org/apache/bcel/generic/ClassObserver.java
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@ -1,29 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* Implement this interface if you're interested in changes to a ClassGen object
* and register yourself with addObserver().
*
* @version $Id: ClassObserver.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public interface ClassObserver {
public void notify(ClassGen clazz);
}

198
src/org/apache/bcel/generic/CodeExceptionGen.java
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@ -1,198 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.classfile.CodeException;
/**
* This class represents an exception handler, i.e., specifies the region where
* a handler is active and an instruction where the actual handling is done.
* pool as parameters. Opposed to the JVM specification the end of the handled
* region is set to be inclusive, i.e. all instructions between start and end
* are protected including the start and end instructions (handles) themselves.
* The end of the region is automatically mapped to be exclusive when calling
* getCodeException(), i.e., there is no difference semantically.
*
* @version $Id: CodeExceptionGen.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see MethodGen
* @see CodeException
* @see InstructionHandle
*/
public final class CodeExceptionGen implements InstructionTargeter, Cloneable,
java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private InstructionHandle start_pc;
private InstructionHandle end_pc;
private InstructionHandle handler_pc;
private ObjectType catch_type;
/**
* Add an exception handler, i.e., specify region where a handler is active
* and an instruction where the actual handling is done.
*
* @param start_pc
* Start of handled region (inclusive)
* @param end_pc
* End of handled region (inclusive)
* @param handler_pc
* Where handling is done
* @param catch_type
* which exception is handled, null for ANY
*/
public CodeExceptionGen(InstructionHandle start_pc,
InstructionHandle end_pc, InstructionHandle handler_pc,
ObjectType catch_type) {
setStartPC(start_pc);
setEndPC(end_pc);
setHandlerPC(handler_pc);
this.catch_type = catch_type;
}
/**
* Get CodeException object.<BR>
*
* This relies on that the instruction list has already been dumped to byte
* code or or that the `setPositions' methods has been called for the
* instruction list.
*
* @param cp
* constant pool
*/
public CodeException getCodeException(ConstantPoolGen cp) {
return new CodeException(start_pc.getPosition(), end_pc.getPosition()
+ end_pc.getInstruction().getLength(),
handler_pc.getPosition(), (catch_type == null) ? 0
: cp.addClass(catch_type));
}
/*
* Set start of handler
*
* @param start_pc Start of handled region (inclusive)
*/
public void setStartPC(InstructionHandle start_pc) {
BranchInstruction.notifyTarget(this.start_pc, start_pc, this);
this.start_pc = start_pc;
}
/*
* Set end of handler
*
* @param end_pc End of handled region (inclusive)
*/
public void setEndPC(InstructionHandle end_pc) {
BranchInstruction.notifyTarget(this.end_pc, end_pc, this);
this.end_pc = end_pc;
}
/*
* Set handler code
*
* @param handler_pc Start of handler
*/
public void setHandlerPC(InstructionHandle handler_pc) {
BranchInstruction.notifyTarget(this.handler_pc, handler_pc, this);
this.handler_pc = handler_pc;
}
/**
* @param old_ih
* old target, either start or end
* @param new_ih
* new target
*/
@Override
public void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) {
boolean targeted = false;
if (start_pc == old_ih) {
targeted = true;
setStartPC(new_ih);
}
if (end_pc == old_ih) {
targeted = true;
setEndPC(new_ih);
}
if (handler_pc == old_ih) {
targeted = true;
setHandlerPC(new_ih);
}
if (!targeted) {
throw new ClassGenException("Not targeting " + old_ih + ", but {"
+ start_pc + ", " + end_pc + ", " + handler_pc + "}");
}
}
/**
* @return true, if ih is target of this handler
*/
@Override
public boolean containsTarget(InstructionHandle ih) {
return (start_pc == ih) || (end_pc == ih) || (handler_pc == ih);
}
/** Sets the type of the Exception to catch. Set 'null' for ANY. */
public void setCatchType(ObjectType catch_type) {
this.catch_type = catch_type;
}
/** Gets the type of the Exception to catch, 'null' for ANY. */
public ObjectType getCatchType() {
return catch_type;
}
/**
* @return start of handled region (inclusive)
*/
public InstructionHandle getStartPC() {
return start_pc;
}
/**
* @return end of handled region (inclusive)
*/
public InstructionHandle getEndPC() {
return end_pc;
}
/**
* @return start of handler
*/
public InstructionHandle getHandlerPC() {
return handler_pc;
}
@Override
public String toString() {
return "CodeExceptionGen(" + start_pc + ", " + end_pc + ", "
+ handler_pc + ")";
}
@Override
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
System.err.println(e);
return null;
}
}
}

37
src/org/apache/bcel/generic/CompoundInstruction.java
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@ -1,37 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* Wrapper class for `compound' operations, virtual instructions that don't
* exist as byte code, but give a useful meaning. For example, the (virtual)
* PUSH instruction takes an arbitray argument and produces the appropiate code
* at dump time (ICONST, LDC, BIPUSH, ...). Also you can use the SWITCH
* instruction as a useful template for either LOOKUPSWITCH or TABLESWITCH.
*
* The interface provides the possibilty for the user to write `templates' or
* `macros' for such reuseable code patterns.
*
* @version $Id: CompoundInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see PUSH
* @see SWITCH
*/
public interface CompoundInstruction {
public InstructionList getInstructionList();
}

804
src/org/apache/bcel/generic/ConstantPoolGen.java
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@ -1,804 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import java.util.HashMap;
import java.util.Map;
import org.apache.bcel.Constants;
import org.apache.bcel.classfile.Constant;
import org.apache.bcel.classfile.ConstantCP;
import org.apache.bcel.classfile.ConstantClass;
import org.apache.bcel.classfile.ConstantDouble;
import org.apache.bcel.classfile.ConstantFieldref;
import org.apache.bcel.classfile.ConstantFloat;
import org.apache.bcel.classfile.ConstantInteger;
import org.apache.bcel.classfile.ConstantInterfaceMethodref;
import org.apache.bcel.classfile.ConstantLong;
import org.apache.bcel.classfile.ConstantMethodref;
import org.apache.bcel.classfile.ConstantNameAndType;
import org.apache.bcel.classfile.ConstantPool;
import org.apache.bcel.classfile.ConstantString;
import org.apache.bcel.classfile.ConstantUtf8;
/**
* This class is used to build up a constant pool. The user adds constants via
* `addXXX' methods, `addString', `addClass', etc.. These methods return an
* index into the constant pool. Finally, `getFinalConstantPool()' returns the
* constant pool built up. Intermediate versions of the constant pool can be
* obtained with `getConstantPool()'. A constant pool has capacity for
* Constants.MAX_SHORT entries. Note that the first (0) is used by the JVM and
* that Double and Long constants need two slots.
*
* @version $Id: ConstantPoolGen.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
* @see Constant
*/
public class ConstantPoolGen implements java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
protected int size = 1024; // Inital size, sufficient in most cases
protected Constant[] constants = new Constant[size];
protected int index = 1; // First entry (0) used by JVM
private static final String METHODREF_DELIM = ":";
private static final String IMETHODREF_DELIM = "#";
private static final String FIELDREF_DELIM = "&";
private static final String NAT_DELIM = "%";
private static class Index implements java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
int index;
Index(int i) {
index = i;
}
}
/**
* Initialize with given array of constants.
*
* @param cs
* array of given constants, new ones will be appended
*/
public ConstantPoolGen(Constant[] cs) {
if (cs.length > size) {
size = cs.length;
constants = new Constant[size];
}
System.arraycopy(cs, 0, constants, 0, cs.length);
if (cs.length > 0) {
index = cs.length;
}
for (int i = 1; i < index; i++) {
Constant c = constants[i];
if (c instanceof ConstantString) {
ConstantString s = (ConstantString) c;
ConstantUtf8 u8 = (ConstantUtf8) constants[s.getStringIndex()];
String key = u8.getBytes();
if (!string_table.containsKey(key)) {
string_table.put(key, new Index(i));
}
} else if (c instanceof ConstantClass) {
ConstantClass s = (ConstantClass) c;
ConstantUtf8 u8 = (ConstantUtf8) constants[s.getNameIndex()];
String key = u8.getBytes();
if (!class_table.containsKey(key)) {
class_table.put(key, new Index(i));
}
} else if (c instanceof ConstantNameAndType) {
ConstantNameAndType n = (ConstantNameAndType) c;
ConstantUtf8 u8 = (ConstantUtf8) constants[n.getNameIndex()];
ConstantUtf8 u8_2 = (ConstantUtf8) constants[n
.getSignatureIndex()];
String key = u8.getBytes() + NAT_DELIM + u8_2.getBytes();
if (!n_a_t_table.containsKey(key)) {
n_a_t_table.put(key, new Index(i));
}
} else if (c instanceof ConstantUtf8) {
ConstantUtf8 u = (ConstantUtf8) c;
String key = u.getBytes();
if (!utf8_table.containsKey(key)) {
utf8_table.put(key, new Index(i));
}
} else if (c instanceof ConstantCP) {
ConstantCP m = (ConstantCP) c;
ConstantClass clazz = (ConstantClass) constants[m
.getClassIndex()];
ConstantNameAndType n = (ConstantNameAndType) constants[m
.getNameAndTypeIndex()];
ConstantUtf8 u8 = (ConstantUtf8) constants[clazz.getNameIndex()];
String class_name = u8.getBytes().replace('/', '.');
u8 = (ConstantUtf8) constants[n.getNameIndex()];
String method_name = u8.getBytes();
u8 = (ConstantUtf8) constants[n.getSignatureIndex()];
String signature = u8.getBytes();
String delim = METHODREF_DELIM;
if (c instanceof ConstantInterfaceMethodref) {
delim = IMETHODREF_DELIM;
} else if (c instanceof ConstantFieldref) {
delim = FIELDREF_DELIM;
}
String key = class_name + delim + method_name + delim
+ signature;
if (!cp_table.containsKey(key)) {
cp_table.put(key, new Index(i));
}
}
}
}
/**
* Initialize with given constant pool.
*/
public ConstantPoolGen(ConstantPool cp) {
this(cp.getConstantPool());
}
/**
* Create empty constant pool.
*/
public ConstantPoolGen() {
}
/**
* Resize internal array of constants.
*/
protected void adjustSize() {
if (index + 3 >= size) {
Constant[] cs = constants;
size *= 2;
constants = new Constant[size];
System.arraycopy(cs, 0, constants, 0, index);
}
}
private Map<String, Index> string_table = new HashMap<String, Index>();
/**
* Look for ConstantString in ConstantPool containing String `str'.
*
* @param str
* String to search for
* @return index on success, -1 otherwise
*/
public int lookupString(String str) {
Index index = string_table.get(str);
return (index != null) ? index.index : -1;
}
/**
* Add a new String constant to the ConstantPool, if it is not already in
* there.
*
* @param str
* String to add
* @return index of entry
*/
public int addString(String str) {
int ret;
if ((ret = lookupString(str)) != -1) {
return ret; // Already in CP
}
int utf8 = addUtf8(str);
adjustSize();
ConstantString s = new ConstantString(utf8);
ret = index;
constants[index++] = s;
if (!string_table.containsKey(str)) {
string_table.put(str, new Index(ret));
}
return ret;
}
private Map<String, Index> class_table = new HashMap<String, Index>();
/**
* Look for ConstantClass in ConstantPool named `str'.
*
* @param str
* String to search for
* @return index on success, -1 otherwise
*/
public int lookupClass(String str) {
Index index = class_table.get(str.replace('.', '/'));
return (index != null) ? index.index : -1;
}
private int addClass_(String clazz) {
int ret;
if ((ret = lookupClass(clazz)) != -1) {
return ret; // Already in CP
}
adjustSize();
ConstantClass c = new ConstantClass(addUtf8(clazz));
ret = index;
constants[index++] = c;
if (!class_table.containsKey(clazz)) {
class_table.put(clazz, new Index(ret));
}
return ret;
}
/**
* Add a new Class reference to the ConstantPool, if it is not already in
* there.
*
* @param str
* Class to add
* @return index of entry
*/
public int addClass(String str) {
return addClass_(str.replace('.', '/'));
}
/**
* Add a new Class reference to the ConstantPool for a given type.
*
* @param type
* Class to add
* @return index of entry
*/
public int addClass(ObjectType type) {
return addClass(type.getClassName());
}
/**
* Add a reference to an array class (e.g. String[][]) as needed by
* MULTIANEWARRAY instruction, e.g. to the ConstantPool.
*
* @param type
* type of array class
* @return index of entry
*/
public int addArrayClass(ArrayType type) {
return addClass_(type.getSignature());
}
/**
* Look for ConstantInteger in ConstantPool.
*
* @param n
* integer number to look for
* @return index on success, -1 otherwise
*/
public int lookupInteger(int n) {
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantInteger) {
ConstantInteger c = (ConstantInteger) constants[i];
if (c.getBytes() == n) {
return i;
}
}
}
return -1;
}
/**
* Add a new Integer constant to the ConstantPool, if it is not already in
* there.
*
* @param n
* integer number to add
* @return index of entry
*/
public int addInteger(int n) {
int ret;
if ((ret = lookupInteger(n)) != -1) {
return ret; // Already in CP
}
adjustSize();
ret = index;
constants[index++] = new ConstantInteger(n);
return ret;
}
/**
* Look for ConstantFloat in ConstantPool.
*
* @param n
* Float number to look for
* @return index on success, -1 otherwise
*/
public int lookupFloat(float n) {
int bits = Float.floatToIntBits(n);
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantFloat) {
ConstantFloat c = (ConstantFloat) constants[i];
if (Float.floatToIntBits(c.getBytes()) == bits) {
return i;
}
}
}
return -1;
}
/**
* Add a new Float constant to the ConstantPool, if it is not already in
* there.
*
* @param n
* Float number to add
* @return index of entry
*/
public int addFloat(float n) {
int ret;
if ((ret = lookupFloat(n)) != -1) {
return ret; // Already in CP
}
adjustSize();
ret = index;
constants[index++] = new ConstantFloat(n);
return ret;
}
private Map<String, Index> utf8_table = new HashMap<String, Index>();
/**
* Look for ConstantUtf8 in ConstantPool.
*
* @param n
* Utf8 string to look for
* @return index on success, -1 otherwise
*/
public int lookupUtf8(String n) {
Index index = utf8_table.get(n);
return (index != null) ? index.index : -1;
}
/**
* Add a new Utf8 constant to the ConstantPool, if it is not already in
* there.
*
* @param n
* Utf8 string to add
* @return index of entry
*/
public int addUtf8(String n) {
int ret;
if ((ret = lookupUtf8(n)) != -1) {
return ret; // Already in CP
}
adjustSize();
ret = index;
constants[index++] = new ConstantUtf8(n);
if (!utf8_table.containsKey(n)) {
utf8_table.put(n, new Index(ret));
}
return ret;
}
/**
* Look for ConstantLong in ConstantPool.
*
* @param n
* Long number to look for
* @return index on success, -1 otherwise
*/
public int lookupLong(long n) {
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantLong) {
ConstantLong c = (ConstantLong) constants[i];
if (c.getBytes() == n) {
return i;
}
}
}
return -1;
}
/**
* Add a new long constant to the ConstantPool, if it is not already in
* there.
*
* @param n
* Long number to add
* @return index of entry
*/
public int addLong(long n) {
int ret;
if ((ret = lookupLong(n)) != -1) {
return ret; // Already in CP
}
adjustSize();
ret = index;
constants[index] = new ConstantLong(n);
index += 2; // Wastes one entry according to spec
return ret;
}
/**
* Look for ConstantDouble in ConstantPool.
*
* @param n
* Double number to look for
* @return index on success, -1 otherwise
*/
public int lookupDouble(double n) {
long bits = Double.doubleToLongBits(n);
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantDouble) {
ConstantDouble c = (ConstantDouble) constants[i];
if (Double.doubleToLongBits(c.getBytes()) == bits) {
return i;
}
}
}
return -1;
}
/**
* Add a new double constant to the ConstantPool, if it is not already in
* there.
*
* @param n
* Double number to add
* @return index of entry
*/
public int addDouble(double n) {
int ret;
if ((ret = lookupDouble(n)) != -1) {
return ret; // Already in CP
}
adjustSize();
ret = index;
constants[index] = new ConstantDouble(n);
index += 2; // Wastes one entry according to spec
return ret;
}
private Map<String, Index> n_a_t_table = new HashMap<String, Index>();
/**
* Look for ConstantNameAndType in ConstantPool.
*
* @param name
* of variable/method
* @param signature
* of variable/method
* @return index on success, -1 otherwise
*/
public int lookupNameAndType(String name, String signature) {
Index _index = n_a_t_table.get(name + NAT_DELIM + signature);
return (_index != null) ? _index.index : -1;
}
/**
* Add a new NameAndType constant to the ConstantPool if it is not already
* in there.
*
* @param name
* Name string to add
* @param signature
* signature string to add
* @return index of entry
*/
public int addNameAndType(String name, String signature) {
int ret;
int name_index, signature_index;
if ((ret = lookupNameAndType(name, signature)) != -1) {
return ret; // Already in CP
}
adjustSize();
name_index = addUtf8(name);
signature_index = addUtf8(signature);
ret = index;
constants[index++] = new ConstantNameAndType(name_index,
signature_index);
String key = name + NAT_DELIM + signature;
if (!n_a_t_table.containsKey(key)) {
n_a_t_table.put(key, new Index(ret));
}
return ret;
}
private Map<String, Index> cp_table = new HashMap<String, Index>();
/**
* Look for ConstantMethodref in ConstantPool.
*
* @param class_name
* Where to find method
* @param method_name
* Guess what
* @param signature
* return and argument types
* @return index on success, -1 otherwise
*/
public int lookupMethodref(String class_name, String method_name,
String signature) {
Index index = cp_table.get(class_name + METHODREF_DELIM + method_name
+ METHODREF_DELIM + signature);
return (index != null) ? index.index : -1;
}
public int lookupMethodref(MethodGen method) {
return lookupMethodref(method.getClassName(), method.getName(),
method.getSignature());
}
/**
* Add a new Methodref constant to the ConstantPool, if it is not already in
* there.
*
* @param class_name
* class name string to add
* @param method_name
* method name string to add
* @param signature
* method signature string to add
* @return index of entry
*/
public int addMethodref(String class_name, String method_name,
String signature) {
int ret, class_index, name_and_type_index;
if ((ret = lookupMethodref(class_name, method_name, signature)) != -1) {
return ret; // Already in CP
}
adjustSize();
name_and_type_index = addNameAndType(method_name, signature);
class_index = addClass(class_name);
ret = index;
constants[index++] = new ConstantMethodref(class_index,
name_and_type_index);
String key = class_name + METHODREF_DELIM + method_name
+ METHODREF_DELIM + signature;
if (!cp_table.containsKey(key)) {
cp_table.put(key, new Index(ret));
}
return ret;
}
public int addMethodref(MethodGen method) {
return addMethodref(method.getClassName(), method.getName(),
method.getSignature());
}
/**
* Look for ConstantInterfaceMethodref in ConstantPool.
*
* @param class_name
* Where to find method
* @param method_name
* Guess what
* @param signature
* return and argument types
* @return index on success, -1 otherwise
*/
public int lookupInterfaceMethodref(String class_name, String method_name,
String signature) {
Index index = cp_table.get(class_name + IMETHODREF_DELIM + method_name
+ IMETHODREF_DELIM + signature);
return (index != null) ? index.index : -1;
}
public int lookupInterfaceMethodref(MethodGen method) {
return lookupInterfaceMethodref(method.getClassName(),
method.getName(), method.getSignature());
}
/**
* Add a new InterfaceMethodref constant to the ConstantPool, if it is not
* already in there.
*
* @param class_name
* class name string to add
* @param method_name
* method name string to add
* @param signature
* signature string to add
* @return index of entry
*/
public int addInterfaceMethodref(String class_name, String method_name,
String signature) {
int ret, class_index, name_and_type_index;
if ((ret = lookupInterfaceMethodref(class_name, method_name, signature)) != -1) {
return ret; // Already in CP
}
adjustSize();
class_index = addClass(class_name);
name_and_type_index = addNameAndType(method_name, signature);
ret = index;
constants[index++] = new ConstantInterfaceMethodref(class_index,
name_and_type_index);
String key = class_name + IMETHODREF_DELIM + method_name
+ IMETHODREF_DELIM + signature;
if (!cp_table.containsKey(key)) {
cp_table.put(key, new Index(ret));
}
return ret;
}
public int addInterfaceMethodref(MethodGen method) {
return addInterfaceMethodref(method.getClassName(), method.getName(),
method.getSignature());
}
/**
* Look for ConstantFieldref in ConstantPool.
*
* @param class_name
* Where to find method
* @param field_name
* Guess what
* @param signature
* return and argument types
* @return index on success, -1 otherwise
*/
public int lookupFieldref(String class_name, String field_name,
String signature) {
Index index = cp_table.get(class_name + FIELDREF_DELIM + field_name
+ FIELDREF_DELIM + signature);
return (index != null) ? index.index : -1;
}
/**
* Add a new Fieldref constant to the ConstantPool, if it is not already in
* there.
*
* @param class_name
* class name string to add
* @param field_name
* field name string to add
* @param signature
* signature string to add
* @return index of entry
*/
public int addFieldref(String class_name, String field_name,
String signature) {
int ret;
int class_index, name_and_type_index;
if ((ret = lookupFieldref(class_name, field_name, signature)) != -1) {
return ret; // Already in CP
}
adjustSize();
class_index = addClass(class_name);
name_and_type_index = addNameAndType(field_name, signature);
ret = index;
constants[index++] = new ConstantFieldref(class_index,
name_and_type_index);
String key = class_name + FIELDREF_DELIM + field_name + FIELDREF_DELIM
+ signature;
if (!cp_table.containsKey(key)) {
cp_table.put(key, new Index(ret));
}
return ret;
}
/**
* @param i
* index in constant pool
* @return constant pool entry at index i
*/
public Constant getConstant(int i) {
return constants[i];
}
/**
* Use with care!
*
* @param i
* index in constant pool
* @param c
* new constant pool entry at index i
*/
public void setConstant(int i, Constant c) {
constants[i] = c;
}
/**
* @return intermediate constant pool
*/
public ConstantPool getConstantPool() {
return new ConstantPool(constants);
}
/**
* @return current size of constant pool
*/
public int getSize() {
return index;
}
/**
* @return constant pool with proper length
*/
public ConstantPool getFinalConstantPool() {
Constant[] cs = new Constant[index];
System.arraycopy(constants, 0, cs, 0, index);
return new ConstantPool(cs);
}
/**
* @return String representation.
*/
@Override
public String toString() {
StringBuffer buf = new StringBuffer();
for (int i = 1; i < index; i++) {
buf.append(i).append(")").append(constants[i]).append("\n");
}
return buf.toString();
}
/**
* Import constant from another ConstantPool and return new index.
*/
public int addConstant(Constant c, ConstantPoolGen cp) {
Constant[] constants = cp.getConstantPool().getConstantPool();
switch (c.getTag()) {
case Constants.CONSTANT_String: {
ConstantString s = (ConstantString) c;
ConstantUtf8 u8 = (ConstantUtf8) constants[s.getStringIndex()];
return addString(u8.getBytes());
}
case Constants.CONSTANT_Class: {
ConstantClass s = (ConstantClass) c;
ConstantUtf8 u8 = (ConstantUtf8) constants[s.getNameIndex()];
return addClass(u8.getBytes());
}
case Constants.CONSTANT_NameAndType: {
ConstantNameAndType n = (ConstantNameAndType) c;
ConstantUtf8 u8 = (ConstantUtf8) constants[n.getNameIndex()];
ConstantUtf8 u8_2 = (ConstantUtf8) constants[n.getSignatureIndex()];
return addNameAndType(u8.getBytes(), u8_2.getBytes());
}
case Constants.CONSTANT_Utf8:
return addUtf8(((ConstantUtf8) c).getBytes());
case Constants.CONSTANT_Double:
return addDouble(((ConstantDouble) c).getBytes());
case Constants.CONSTANT_Float:
return addFloat(((ConstantFloat) c).getBytes());
case Constants.CONSTANT_Long:
return addLong(((ConstantLong) c).getBytes());
case Constants.CONSTANT_Integer:
return addInteger(((ConstantInteger) c).getBytes());
case Constants.CONSTANT_InterfaceMethodref:
case Constants.CONSTANT_Methodref:
case Constants.CONSTANT_Fieldref: {
ConstantCP m = (ConstantCP) c;
ConstantClass clazz = (ConstantClass) constants[m.getClassIndex()];
ConstantNameAndType n = (ConstantNameAndType) constants[m
.getNameAndTypeIndex()];
ConstantUtf8 u8 = (ConstantUtf8) constants[clazz.getNameIndex()];
String class_name = u8.getBytes().replace('/', '.');
u8 = (ConstantUtf8) constants[n.getNameIndex()];
String name = u8.getBytes();
u8 = (ConstantUtf8) constants[n.getSignatureIndex()];
String signature = u8.getBytes();
switch (c.getTag()) {
case Constants.CONSTANT_InterfaceMethodref:
return addInterfaceMethodref(class_name, name, signature);
case Constants.CONSTANT_Methodref:
return addMethodref(class_name, name, signature);
case Constants.CONSTANT_Fieldref:
return addFieldref(class_name, name, signature);
default: // Never reached
throw new RuntimeException("Unknown constant type " + c);
}
}
default: // Never reached
throw new RuntimeException("Unknown constant type " + c);
}
}
}

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src/org/apache/bcel/generic/ConstantPushInstruction.java
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@ -1,34 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* Denotes a push instruction that produces a literal on the stack such as
* SIPUSH, BIPUSH, ICONST, etc.
*
* @version $Id: ConstantPushInstruction.java 386056 2006-03-15 11:31:56Z tcurdt
* $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*
* @see ICONST
* @see SIPUSH
*/
public interface ConstantPushInstruction extends PushInstruction,
TypedInstruction {
public Number getValue();
}

82
src/org/apache/bcel/generic/ConversionInstruction.java
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@ -1,82 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.Constants;
/**
* Super class for the x2y family of instructions.
*
* @version $Id: ConversionInstruction.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public abstract class ConversionInstruction extends Instruction implements
TypedInstruction, StackProducer, StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ConversionInstruction() {
}
/**
* @param opcode
* opcode of instruction
*/
protected ConversionInstruction(short opcode) {
super(opcode, (short) 1);
}
/**
* @return type associated with the instruction
*/
@Override
public Type getType(ConstantPoolGen cp) {
switch (opcode) {
case Constants.D2I:
case Constants.F2I:
case Constants.L2I:
return Type.INT;
case Constants.D2F:
case Constants.I2F:
case Constants.L2F:
return Type.FLOAT;
case Constants.D2L:
case Constants.F2L:
case Constants.I2L:
return Type.LONG;
case Constants.F2D:
case Constants.I2D:
case Constants.L2D:
return Type.DOUBLE;
case Constants.I2B:
return Type.BYTE;
case Constants.I2C:
return Type.CHAR;
case Constants.I2S:
return Type.SHORT;
default: // Never reached
throw new ClassGenException("Unknown type " + opcode);
}
}
}

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src/org/apache/bcel/generic/D2F.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* D2F - Convert double to float
*
* <PRE>
* Stack: ..., value.word1, value.word2 -&gt; ..., result
* </PRE>
*
* @version $Id: D2F.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class D2F extends ConversionInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Convert double to float
*/
public D2F() {
super(org.apache.bcel.Constants.D2F);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitConversionInstruction(this);
v.visitD2F(this);
}
}

60
src/org/apache/bcel/generic/D2I.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* D2I - Convert double to int
*
* <PRE>
* Stack: ..., value.word1, value.word2 -&gt; ..., result
* </PRE>
*
* @version $Id: D2I.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class D2I extends ConversionInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Convert double to int
*/
public D2I() {
super(org.apache.bcel.Constants.D2I);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitConversionInstruction(this);
v.visitD2I(this);
}
}

60
src/org/apache/bcel/generic/D2L.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* D2L - Convert double to long
*
* <PRE>
* Stack: ..., value.word1, value.word2 -&gt; ..., result.word1, result.word2
* </PRE>
*
* @version $Id: D2L.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class D2L extends ConversionInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Convert double to long
*/
public D2L() {
super(org.apache.bcel.Constants.D2L);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitConversionInstruction(this);
v.visitD2L(this);
}
}

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src/org/apache/bcel/generic/DADD.java
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@ -1,62 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DADD - Add doubles
*
* <PRE>
* Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -&gt;
* </PRE>
*
* ..., result.word1, result1.word2
*
* @version $Id: DADD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DADD extends ArithmeticInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Add doubles
*/
public DADD() {
super(org.apache.bcel.Constants.DADD);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitArithmeticInstruction(this);
v.visitDADD(this);
}
}

60
src/org/apache/bcel/generic/DALOAD.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DALOAD - Load double from array
*
* <PRE>
* Stack: ..., arrayref, index -&gt; ..., result.word1, result.word2
* </PRE>
*
* @version $Id: DALOAD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DALOAD extends ArrayInstruction implements StackProducer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Load double from array
*/
public DALOAD() {
super(org.apache.bcel.Constants.DALOAD);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackProducer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitDALOAD(this);
}
}

60
src/org/apache/bcel/generic/DASTORE.java
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@ -1,60 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DASTORE - Store into double array
*
* <PRE>
* Stack: ..., arrayref, index, value.word1, value.word2 -&gt; ...
* </PRE>
*
* @version $Id: DASTORE.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DASTORE extends ArrayInstruction implements StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Store double into array
*/
public DASTORE() {
super(org.apache.bcel.Constants.DASTORE);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitStackConsumer(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitArrayInstruction(this);
v.visitDASTORE(this);
}
}

67
src/org/apache/bcel/generic/DCMPG.java
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@ -1,67 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DCMPG - Compare doubles: value1 > value2
*
* <PRE>
* Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -&gt;
* </PRE>
*
* ..., result
*
* @version $Id: DCMPG.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DCMPG extends Instruction implements TypedInstruction,
StackProducer, StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
public DCMPG() {
super(org.apache.bcel.Constants.DCMPG, (short) 1);
}
/**
* @return Type.DOUBLE
*/
@Override
public Type getType(ConstantPoolGen cp) {
return Type.DOUBLE;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitDCMPG(this);
}
}

67
src/org/apache/bcel/generic/DCMPL.java
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@ -1,67 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DCMPL - Compare doubles: value1 < value2
*
* <PRE>
* Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -&gt;
* </PRE>
*
* ..., result
*
* @version $Id: DCMPL.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DCMPL extends Instruction implements TypedInstruction,
StackProducer, StackConsumer {
/**
*
*/
private static final long serialVersionUID = 1L;
public DCMPL() {
super(org.apache.bcel.Constants.DCMPL, (short) 1);
}
/**
* @return Type.DOUBLE
*/
@Override
public Type getType(ConstantPoolGen cp) {
return Type.DOUBLE;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitDCMPL(this);
}
}

88
src/org/apache/bcel/generic/DCONST.java
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@ -1,88 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DCONST - Push 0.0 or 1.0, other values cause an exception
*
* <PRE>
* Stack: ... -&gt; ...,
* </PRE>
*
* @version $Id: DCONST.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DCONST extends Instruction implements ConstantPushInstruction,
TypedInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
private double value;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
DCONST() {
}
public DCONST(double f) {
super(org.apache.bcel.Constants.DCONST_0, (short) 1);
if (f == 0.0) {
opcode = org.apache.bcel.Constants.DCONST_0;
} else if (f == 1.0) {
opcode = org.apache.bcel.Constants.DCONST_1;
} else {
throw new ClassGenException(
"DCONST can be used only for 0.0 and 1.0: " + f);
}
value = f;
}
@Override
public Number getValue() {
return new Double(value);
}
/**
* @return Type.DOUBLE
*/
@Override
public Type getType(ConstantPoolGen cp) {
return Type.DOUBLE;
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitPushInstruction(this);
v.visitStackProducer(this);
v.visitTypedInstruction(this);
v.visitConstantPushInstruction(this);
v.visitDCONST(this);
}
}

62
src/org/apache/bcel/generic/DDIV.java
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@ -1,62 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DDIV - Divide doubles
*
* <PRE>
* Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -&gt;
* </PRE>
*
* ..., result.word1, result.word2
*
* @version $Id: DDIV.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DDIV extends ArithmeticInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Divide doubles
*/
public DDIV() {
super(org.apache.bcel.Constants.DDIV);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitArithmeticInstruction(this);
v.visitDDIV(this);
}
}

70
src/org/apache/bcel/generic/DLOAD.java
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@ -1,70 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DLOAD - Load double from local variable
*
* <PRE>
* Stack ... -&gt; ..., result.word1, result.word2
* </PRE>
*
* @version $Id: DLOAD.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DLOAD extends LoadInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
DLOAD() {
super(org.apache.bcel.Constants.DLOAD,
org.apache.bcel.Constants.DLOAD_0);
}
/**
* Load double from local variable
*
* @param n
* index of local variable
*/
public DLOAD(int n) {
super(org.apache.bcel.Constants.DLOAD,
org.apache.bcel.Constants.DLOAD_0, n);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
super.accept(v);
v.visitDLOAD(this);
}
}

62
src/org/apache/bcel/generic/DMUL.java
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@ -1,62 +0,0 @@
/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
/**
* DMUL - Multiply doubles
*
* <PRE>
* Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -&gt;
* </PRE>
*
* ..., result.word1, result.word2
*
* @version $Id: DMUL.java 386056 2006-03-15 11:31:56Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class DMUL extends ArithmeticInstruction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Multiply doubles
*/
public DMUL() {
super(org.apache.bcel.Constants.DMUL);
}
/**
* Call corresponding visitor method(s). The order is: Call visitor methods
* of implemented interfaces first, then call methods according to the class
* hierarchy in descending order, i.e., the most specific visitXXX() call
* comes last.
*
* @param v
* Visitor object
*/
@Override
public void accept(Visitor v) {
v.visitTypedInstruction(this);
v.visitStackProducer(this);
v.visitStackConsumer(this);
v.visitArithmeticInstruction(this);
v.visitDMUL(this);
}
}

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