org.codehaus.groovy.classgen.asm

Class BinaryExpressionWriter

java.lang.Object

org.codehaus.groovy.classgen.asm.BinaryExpressionWriter

Direct Known Subclasses:

BinaryFloatExpressionHelper, BinaryIntExpressionHelper, BinaryLongExpressionHelper, BinaryObjectExpressionHelper

public abstract class BinaryExpressionWriter
extends java.lang.Object

Author:

Jochen "blackdrag" Theodorou

Field Summary

Fields

Modifier and Type	Field and Description
protected static int[]	stdCompareCodes

Constructor Summary

Constructors

Constructor and Description
BinaryExpressionWriter(WriterController controller)

Method Summary

Modifier and Type	Method and Description
boolean	arrayGet(int operation, boolean simulate)
boolean	arraySet(boolean simulate)
protected abstract void	doubleTwoOperands(org.objectweb.asm.MethodVisitor mv)
protected abstract MethodCaller	getArrayGetCaller()
protected ClassNode	getArrayGetResultType()
protected abstract MethodCaller	getArraySetCaller()
protected abstract int	getBitwiseOperationBytecode(int type)
protected abstract int	getCompareCode()
protected abstract ClassNode	getDevisionOpResultType()
protected abstract ClassNode	getNormalOpResultType()
protected abstract int	getShiftOperationBytecode(int type)
protected abstract int	getStandardOperationBytecode(int type)
protected abstract void	removeTwoOperands(org.objectweb.asm.MethodVisitor mv)
protected boolean	supportsDivision()
boolean	write(int operation, boolean simulate)
protected boolean	writeBitwiseOp(int type, boolean simulate) writes some the bitwise operations.
protected boolean	writeDivision(boolean simulate)
protected abstract void	writeMinusMinus(org.objectweb.asm.MethodVisitor mv)
protected abstract void	writePlusPlus(org.objectweb.asm.MethodVisitor mv)
boolean	writePostOrPrefixMethod(int operation, boolean simulate)
protected boolean	writeShiftOp(int type, boolean simulate) Write shifting operations.
protected boolean	writeSpaceship(int type, boolean simulate)
protected boolean	writeStdCompare(int type, boolean simulate) writes some int standard operations.
protected boolean	writeStdOperators(int type, boolean simulate)

Methods inherited from class java.lang.Object

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

Field Detail

stdCompareCodes

protected static final int[] stdCompareCodes

Constructor Detail

BinaryExpressionWriter

public BinaryExpressionWriter(WriterController controller)

Method Detail

getCompareCode

protected abstract int getCompareCode()

writeStdCompare

protected boolean writeStdCompare(int type,
                                  boolean simulate)

writes some int standard operations. type is one of IADD, ISUB, IMUL, IDIV or IREM

Parameters:

type - the token type

Returns:

true if a successful std operator write

doubleTwoOperands

protected abstract void doubleTwoOperands(org.objectweb.asm.MethodVisitor mv)

removeTwoOperands

protected abstract void removeTwoOperands(org.objectweb.asm.MethodVisitor mv)

writeSpaceship

protected boolean writeSpaceship(int type,
                                 boolean simulate)

getNormalOpResultType

protected abstract ClassNode getNormalOpResultType()

getStandardOperationBytecode

protected abstract int getStandardOperationBytecode(int type)

writeStdOperators

protected boolean writeStdOperators(int type,
                                    boolean simulate)

writeDivision

protected boolean writeDivision(boolean simulate)

supportsDivision

protected boolean supportsDivision()

getDevisionOpResultType

protected abstract ClassNode getDevisionOpResultType()

getBitwiseOperationBytecode

protected abstract int getBitwiseOperationBytecode(int type)

writeBitwiseOp

protected boolean writeBitwiseOp(int type,
                                 boolean simulate)

writes some the bitwise operations. type is one of BITWISE_OR, BITWISE_AND, BIWISE_XOR

Parameters:

type - the token type

Returns:

true if a successful bitwise operation write

getShiftOperationBytecode

protected abstract int getShiftOperationBytecode(int type)

writeShiftOp

protected boolean writeShiftOp(int type,
                               boolean simulate)

Write shifting operations. Type is one of LEFT_SHIFT, RIGHT_SHIFT, or RIGHT_SHIFT_UNSIGNED

Parameters:

type - the token type

Returns:

true on a successful shift operation write

write

public boolean write(int operation,
                     boolean simulate)

getArrayGetCaller

protected abstract MethodCaller getArrayGetCaller()

getArrayGetResultType

protected ClassNode getArrayGetResultType()

getArraySetCaller

protected abstract MethodCaller getArraySetCaller()

arrayGet

public boolean arrayGet(int operation,
                        boolean simulate)

arraySet

public boolean arraySet(boolean simulate)

writePostOrPrefixMethod

public boolean writePostOrPrefixMethod(int operation,
                                       boolean simulate)

writePlusPlus

protected abstract void writePlusPlus(org.objectweb.asm.MethodVisitor mv)

writeMinusMinus

protected abstract void writeMinusMinus(org.objectweb.asm.MethodVisitor mv)