Package 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	Description
CLMethodInstruction(int opcode, int pc)	Constructs a CLMethodInstruction object for METHOD2 instructions.
CLMethodInstruction(int opcode, int pc, int index, int stackUnits)	Constructs a CLMethodInstruction object for METHOD1 instructions.

Method Summary

Modifier and Type	Method	Description
void	setArgumentCount(int nArgs)	Sets the number of arguments for the method for INVOKEINTERFACE instruction.
ArrayList<Integer>	toBytes()	Returns 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 Details

CLMethodInstruction

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

Constructs 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)

Constructs 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 Details

setArgumentCount

public void setArgumentCount(int nArgs)

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

Parameters:

nArgs - number of arguments for the method.

toBytes

public ArrayList<Integer> toBytes()

Returns the bytecode for this instruction.

Specified by:

toBytes in class CLInstruction

Returns:

the bytecode for this instruction.