Package javassist.bytecode

Class InstructionPrinter

java.lang.Object

javassist.bytecode.InstructionPrinter

All Implemented Interfaces:

Opcode

public class InstructionPrinter
extends Object
implements Opcode

Simple utility class for printing the bytecode instructions of a method.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String[]	opcodes
private final PrintStream	stream

Fields inherited from interface javassist.bytecode.Opcode

AALOAD, AASTORE, ACONST_NULL, ALOAD, ALOAD_0, ALOAD_1, ALOAD_2, ALOAD_3, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DLOAD_0, DLOAD_1, DLOAD_2, DLOAD_3, DMUL, DNEG, DREM, DRETURN, DSTORE, DSTORE_0, DSTORE_1, DSTORE_2, DSTORE_3, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAD_0, FLOAD_1, FLOAD_2, FLOAD_3, FMUL, FNEG, FREM, FRETURN, FSTORE, FSTORE_0, FSTORE_1, FSTORE_2, FSTORE_3, FSUB, GETFIELD, GETSTATIC, GOTO, GOTO_W, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, IMUL, INEG, INSTANCEOF, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3, ISUB, IUSHR, IXOR, JSR, JSR_W, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDC_W, LDC2_W, LDIV, LLOAD, LLOAD_0, LLOAD_1, LLOAD_2, LLOAD_3, LMUL, LNEG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, STACK_GROW, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, WIDE

Constructor Summary

Constructors

Constructor	Description
InstructionPrinter(PrintStream stream)	Constructs a InstructionPrinter object.

Method Summary

Modifier and Type	Method	Description
private static String	arrayInfo(int type)
private static String	classInfo(ConstPool pool, int index)
private static String	fieldInfo(ConstPool pool, int index)
static String	instructionString(CodeIterator iter, int pos, ConstPool pool)	Gets a string representation of the bytecode instruction at the specified position.
private static String	interfaceMethodInfo(ConstPool pool, int index)
private static String	ldc(ConstPool pool, int index)
private static String	lookupSwitch(CodeIterator iter, int pos)
private static String	methodInfo(ConstPool pool, int index)
void	print(CtMethod method)	Prints the bytecode instructions of a given method.
static void	print(CtMethod method, PrintStream stream)	Prints the bytecode instructions of a given method.
private static String	tableSwitch(CodeIterator iter, int pos)
private static String	wide(CodeIterator iter, int pos)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

opcodes

private static final String[] opcodes

stream

private final PrintStream stream

Constructor Details

InstructionPrinter

public InstructionPrinter(PrintStream stream)

Constructs a InstructionPrinter object.

Method Details

print

public static void print(CtMethod method,
 PrintStream stream)

Prints the bytecode instructions of a given method.

print

public void print(CtMethod method)

Prints the bytecode instructions of a given method.

instructionString

public static String instructionString(CodeIterator iter,
 int pos,
 ConstPool pool)

Gets a string representation of the bytecode instruction at the specified position.

wide

private static String wide(CodeIterator iter,
 int pos)

arrayInfo

private static String arrayInfo(int type)

classInfo

private static String classInfo(ConstPool pool,
 int index)

interfaceMethodInfo

private static String interfaceMethodInfo(ConstPool pool,
 int index)

methodInfo

private static String methodInfo(ConstPool pool,
 int index)

fieldInfo

private static String fieldInfo(ConstPool pool,
 int index)

lookupSwitch

private static String lookupSwitch(CodeIterator iter,
 int pos)

tableSwitch

private static String tableSwitch(CodeIterator iter,
 int pos)

ldc

private static String ldc(ConstPool pool,
 int index)