jminusminus

Class CLArithmeticInstruction

java.lang.Object

jminusminus.CLInstruction

jminusminus.CLArithmeticInstruction

 class CLArithmeticInstruction
extends CLInstruction

Representation for ARITHMETIC1 and ARITHMETIC2 instructions.

Field Summary

Fields inherited from class jminusminus.CLInstruction

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

Constructor Summary

Constructors

Constructor and Description
CLArithmeticInstruction(int opcode, int pc) Construct a CLArithmeticInstruction object for ARITHMETIC1 instructions.
CLArithmeticInstruction(int opcode, int pc, int localVariableIndex, int constVal, boolean isWidened) Construct a CLArithmeticInstruction object for IINC instruction.

Method Summary

Methods

Modifier and Type	Method and Description
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

CLArithmeticInstruction

public CLArithmeticInstruction(int opcode,
                       int pc)

Construct a CLArithmeticInstruction object for ARITHMETIC1 instructions.

Parameters:

opcode - the opcode for this instruction.

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

CLArithmeticInstruction

public CLArithmeticInstruction(int opcode,
                       int pc,
                       int localVariableIndex,
                       int constVal,
                       boolean isWidened)

Construct a CLArithmeticInstruction object for IINC instruction.

Parameters:

opcode - the opcode for this instruction.

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

localVariableIndex - index of the local variable to increment.

constVal - increment value.

isWidened - whether this instruction is preceeded by the WIDE (widening) instruction.

Method Detail

toBytes

public ArrayList<Integer> toBytes()

Description copied from class: CLInstruction

Return the bytecode for this instruction.

Specified by:

toBytes in class CLInstruction

Returns:

bytecode.