ConstantInstruction

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proguard.classfile.instruction
Class ConstantInstruction

java.lang.Object
  proguard.classfile.instruction.Instruction
      proguard.classfile.instruction.ConstantInstruction

All Implemented Interfaces:: ConstantVisitor

public class ConstantInstruction
extends Instruction
implements ConstantVisitor
extends Instruction
implements ConstantVisitor

This Instruction represents an instruction that refers to an entry in the constant pool.

Field Summary
`int`	`constant`
`int`	`constantIndex`

Fields inherited from class proguard.classfile.instruction.Instruction
`opcode`

Constructor Summary
`ConstantInstruction()` Creates an uninitialized ConstantInstruction.
`ConstantInstruction(byte opcode, int constantIndex)` Creates a new ConstantInstruction with the given opcode and constant pool index.
`ConstantInstruction(byte opcode, int constantIndex, int constant)` Creates a new ConstantInstruction with the given opcode, constant pool index, and constant.

Method Summary
`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.
`ConstantInstruction`	`copy(ConstantInstruction constantInstruction)` Copies the given instruction into this instruction.
`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`	`stackPopCount(Clazz clazz)` Returns the number of entries popped from the stack during the execution of the instruction.
`int`	`stackPushCount(Clazz clazz)` Returns the number of entries pushed onto the stack during the execution of the instruction.
`java.lang.String`	`toString()`
`void`	`visitClassConstant(Clazz clazz, ClassConstant classConstant)`
`void`	`visitDoubleConstant(Clazz clazz, DoubleConstant doubleConstant)`
`void`	`visitFieldrefConstant(Clazz clazz, FieldrefConstant fieldrefConstant)`
`void`	`visitFloatConstant(Clazz clazz, FloatConstant floatConstant)`
`void`	`visitIntegerConstant(Clazz clazz, IntegerConstant integerConstant)`
`void`	`visitInterfaceMethodrefConstant(Clazz clazz, InterfaceMethodrefConstant interfaceMethodrefConstant)`
`void`	`visitLongConstant(Clazz clazz, LongConstant longConstant)`
`void`	`visitMethodrefConstant(Clazz clazz, MethodrefConstant methodrefConstant)`
`void`	`visitNameAndTypeConstant(Clazz clazz, NameAndTypeConstant nameAndTypeConstant)`
`void`	`visitStringConstant(Clazz clazz, StringConstant stringConstant)`
`void`	`visitUtf8Constant(Clazz clazz, Utf8Constant utf8Constant)`
`protected void`	`writeInfo(byte[] code, int offset)` Writes data following the instruction opcode.

Methods inherited from class proguard.classfile.instruction.Instruction
`getName, isCategory2, isWide, readByte, readInt, readShort, readSignedByte, readSignedShort, readSignedValue, readValue, toString, write, write, writeByte, writeInt, writeShort, writeSignedByte, writeSignedShort, writeSignedValue, writeValue`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

constantIndex

public int constantIndex

constant

public int constant

Constructor Detail

ConstantInstruction

public ConstantInstruction()

Creates an uninitialized ConstantInstruction.

ConstantInstruction

public ConstantInstruction(byte opcode,
                           int constantIndex)

Creates a new ConstantInstruction with the given opcode and constant pool index.

ConstantInstruction

public ConstantInstruction(byte opcode,
                           int constantIndex,
                           int constant)

Creates a new ConstantInstruction with the given opcode, constant pool index, and constant.

Method Detail

copy

public ConstantInstruction copy(ConstantInstruction constantInstruction)

Copies the given instruction into this instruction.

Parameters:: constantInstruction - the instruction to be copied.
Returns:: this instruction.