jminusminus

Class CLMethodInstruction

java.lang.Object

jminusminus.CLInstruction

jminusminus.CLMethodInstruction

 class CLMethodInstruction
extends CLInstruction

Representation for METHOD1 and METHOD2 instructions.

Field Summary

Fields inherited from class jminusminus.CLInstruction

instructionInfo, localVariableIndex, mnemonic, opcode, operandCount, pc, stackUnits

Constructor Summary

Constructors

Constructor and Description
CLMethodInstruction(int opcode, int pc) Construct a CLMethodInstruction object for METHOD2 instructions.
CLMethodInstruction(int opcode, int pc, int index, int stackUnits) Construct a CLMethodInstruction object for METHOD1 instructions.

Method Summary

Methods

Modifier and Type	Method and Description
void	setArgumentCount(int nArgs) Set the number of arguments for the method for INVOKEINTERFACE instruction.
ArrayList<Integer>	toBytes() Return the bytecode for this instruction.

Methods inherited from class jminusminus.CLInstruction

byteAt, isValid, localVariableIndex, mnemonic, opcode, operandCount, pc, stackUnits

Methods inherited from class java.lang.Object

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

Constructor Detail

CLMethodInstruction

public CLMethodInstruction(int opcode,
                   int pc,
                   int index,
                   int stackUnits)

Construct a CLMethodInstruction object for METHOD1 instructions.

Parameters:

opcode - the opcode for this instruction.

pc - index of this instruction within the code array of a method.

index - index into the constant pool, the item at which contains the name and descriptor of the method.

stackUnits - words produced - words consumed from the operand stack by this instruction.

CLMethodInstruction

public CLMethodInstruction(int opcode,
                   int pc)

Construct a CLMethodInstruction object for METHOD2 instructions.

Parameters:

opcode - the opcode for this instruction.

pc - index of this instruction within the code array of a method.

Method Detail

setArgumentCount

public void setArgumentCount(int nArgs)

Set the number of arguments for the method for INVOKEINTERFACE instruction.

Parameters:

nArgs - number of arguments for the method.

toBytes

public ArrayList<Integer> toBytes()

Description copied from class: CLInstruction

Return the bytecode for this instruction.

Specified by:

toBytes in class CLInstruction

Returns:

bytecode.