public class SimpleInstruction extends Instruction
Instruction represents a simple instruction without variable arguments or constant
pool references.| Modifier and Type | Field and Description |
|---|---|
int |
constant |
ARRAY_T_BOOLEAN, ARRAY_T_BYTE, ARRAY_T_CHAR, ARRAY_T_DOUBLE, ARRAY_T_FLOAT, ARRAY_T_INT, ARRAY_T_LONG, ARRAY_T_SHORT, NAMES, OP_AALOAD, OP_AASTORE, OP_ACONST_NULL, OP_ALOAD, OP_ALOAD_0, OP_ALOAD_1, OP_ALOAD_2, OP_ALOAD_3, OP_ANEWARRAY, OP_ARETURN, OP_ARRAYLENGTH, OP_ASTORE, OP_ASTORE_0, OP_ASTORE_1, OP_ASTORE_2, OP_ASTORE_3, OP_ATHROW, OP_BALOAD, OP_BASTORE, OP_BIPUSH, OP_CALOAD, OP_CASTORE, OP_CHECKCAST, OP_D2F, OP_D2I, OP_D2L, OP_DADD, OP_DALOAD, OP_DASTORE, OP_DCMPG, OP_DCMPL, OP_DCONST_0, OP_DCONST_1, OP_DDIV, OP_DLOAD, OP_DLOAD_0, OP_DLOAD_1, OP_DLOAD_2, OP_DLOAD_3, OP_DMUL, OP_DNEG, OP_DREM, OP_DRETURN, OP_DSTORE, OP_DSTORE_0, OP_DSTORE_1, OP_DSTORE_2, OP_DSTORE_3, OP_DSUB, OP_DUP, OP_DUP_X1, OP_DUP_X2, OP_DUP2, OP_DUP2_X1, OP_DUP2_X2, OP_F2D, OP_F2I, OP_F2L, OP_FADD, OP_FALOAD, OP_FASTORE, OP_FCMPG, OP_FCMPL, OP_FCONST_0, OP_FCONST_1, OP_FCONST_2, OP_FDIV, OP_FLOAD, OP_FLOAD_0, OP_FLOAD_1, OP_FLOAD_2, OP_FLOAD_3, OP_FMUL, OP_FNEG, OP_FREM, OP_FRETURN, OP_FSTORE, OP_FSTORE_0, OP_FSTORE_1, OP_FSTORE_2, OP_FSTORE_3, OP_FSUB, OP_GETFIELD, OP_GETSTATIC, OP_GOTO, OP_GOTO_W, OP_I2B, OP_I2C, OP_I2D, OP_I2F, OP_I2L, OP_I2S, OP_IADD, OP_IALOAD, OP_IAND, OP_IASTORE, OP_ICONST_0, OP_ICONST_1, OP_ICONST_2, OP_ICONST_3, OP_ICONST_4, OP_ICONST_5, OP_ICONST_M1, OP_IDIV, OP_IFACMPEQ, OP_IFACMPNE, OP_IFEQ, OP_IFGE, OP_IFGT, OP_IFICMPEQ, OP_IFICMPGE, OP_IFICMPGT, OP_IFICMPLE, OP_IFICMPLT, OP_IFICMPNE, OP_IFLE, OP_IFLT, OP_IFNE, OP_IFNONNULL, OP_IFNULL, OP_IINC, OP_ILOAD, OP_ILOAD_0, OP_ILOAD_1, OP_ILOAD_2, OP_ILOAD_3, OP_IMUL, OP_INEG, OP_INSTANCEOF, OP_INVOKEDYNAMIC, OP_INVOKEINTERFACE, OP_INVOKESPECIAL, OP_INVOKESTATIC, OP_INVOKEVIRTUAL, OP_IOR, OP_IREM, OP_IRETURN, OP_ISHL, OP_ISHR, OP_ISTORE, OP_ISTORE_0, OP_ISTORE_1, OP_ISTORE_2, OP_ISTORE_3, OP_ISUB, OP_IUSHR, OP_IXOR, OP_JSR, OP_JSR_W, OP_L2D, OP_L2F, OP_L2I, OP_LADD, OP_LALOAD, OP_LAND, OP_LASTORE, OP_LCMP, OP_LCONST_0, OP_LCONST_1, OP_LDC, OP_LDC_W, OP_LDC2_W, OP_LDIV, OP_LLOAD, OP_LLOAD_0, OP_LLOAD_1, OP_LLOAD_2, OP_LLOAD_3, OP_LMUL, OP_LNEG, OP_LOOKUPSWITCH, OP_LOR, OP_LREM, OP_LRETURN, OP_LSHL, OP_LSHR, OP_LSTORE, OP_LSTORE_0, OP_LSTORE_1, OP_LSTORE_2, OP_LSTORE_3, OP_LSUB, OP_LUSHR, OP_LXOR, OP_MONITORENTER, OP_MONITOREXIT, OP_MULTIANEWARRAY, OP_NEW, OP_NEWARRAY, OP_NOP, OP_POP, OP_POP2, OP_PUTFIELD, OP_PUTSTATIC, OP_RET, OP_RETURN, OP_SALOAD, OP_SASTORE, OP_SIPUSH, OP_SWAP, OP_TABLESWITCH, OP_WIDE, opcode| Constructor and Description |
|---|
SimpleInstruction()
Creates an uninitialized SimpleInstruction.
|
SimpleInstruction(byte opcode)
Creates a new SimpleInstruction with the given opcode.
|
SimpleInstruction(byte opcode,
int constant)
Creates a new SimpleInstruction with the given opcode and constant.
|
| Modifier and Type | Method and Description |
|---|---|
void |
accept(Clazz clazz,
Method method,
CodeAttribute codeAttribute,
int offset,
InstructionVisitor instructionVisitor)
Accepts the given visitor.
|
byte |
canonicalOpcode()
Returns the canonical opcode of this instruction, i.e.
|
SimpleInstruction |
copy(SimpleInstruction simpleInstruction)
Copies the given instruction into this instruction.
|
boolean |
equals(java.lang.Object o) |
int |
hashCode() |
int |
length(int offset)
Returns the length in bytes of the instruction.
|
protected void |
readInfo(byte[] code,
int offset)
Reads the data following the instruction opcode.
|
Instruction |
shrink()
Shrinks this instruction to its shortest possible form.
|
int |
stackEntryIndexBefore(Clazz clazz,
int stackEntryIndexAfter)
Returns the stack entry index from which the specified stack entry is copied by a
dup/swap/checkcast instruction, or -1 otherwise.
|
java.lang.String |
toString() |
protected void |
writeInfo(byte[] code,
int offset)
Writes data following the instruction opcode.
|
actualOpcode, getName, isCategory2, isWide, mayInstanceThrowExceptions, mayThrowExceptions, readByte, readInt, readShort, readSignedByte, readSignedShort, readSignedValue, readValue, stackPopCount, stackPushCount, toString, toString, write, write, writeByte, writeInt, writeShort, writeSignedByte, writeSignedShort, writeSignedValue, writeValuepublic SimpleInstruction()
public SimpleInstruction(byte opcode)
public SimpleInstruction(byte opcode,
int constant)
public SimpleInstruction copy(SimpleInstruction simpleInstruction)
simpleInstruction - the instruction to be copied.public byte canonicalOpcode()
InstructioncanonicalOpcode in class Instructionpublic Instruction shrink()
Instructionshrink in class Instructionprotected void readInfo(byte[] code,
int offset)
InstructionreadInfo in class Instructionprotected void writeInfo(byte[] code,
int offset)
InstructionwriteInfo in class Instructionpublic int length(int offset)
Instructionlength in class Instructionpublic void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, InstructionVisitor instructionVisitor)
Instructionaccept in class Instructionpublic int stackEntryIndexBefore(Clazz clazz, int stackEntryIndexAfter)
InstructionstackEntryIndexBefore in class Instructionpublic java.lang.String toString()
toString in class java.lang.Objectpublic boolean equals(java.lang.Object o)
equals in class Instructionpublic int hashCode()
hashCode in class Instruction