org.apache.commons.nabla.forward.analysis
Class TrackingInterpreter

java.lang.Object
  org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>
      org.apache.commons.nabla.forward.analysis.TrackingInterpreter

public class TrackingInterpreter
extends org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

An interpreter tracking which instructions use which values.

The implementation of this class is largely copied from the original BasicInterpreter from asm, which is distributed under the following terms:

ASM: a very small and fast Java bytecode manipulation framework Copyright (c) 2000-2011 INRIA, France Telecom All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Version:

$Id$

See Also:

TrackingValue

Field Summary

Fields inherited from class org.objectweb.asm.tree.analysis.Interpreter

api

Constructor Summary

TrackingInterpreter()
Build an interpreter.

Method Summary

TrackingValue	binaryOperation(org.objectweb.asm.tree.AbstractInsnNode insn, TrackingValue value1, TrackingValue value2)
TrackingValue	copyOperation(org.objectweb.asm.tree.AbstractInsnNode insn, TrackingValue value)
TrackingValue	merge(TrackingValue v, TrackingValue w)
TrackingValue	naryOperation(org.objectweb.asm.tree.AbstractInsnNode insn, List<? extends TrackingValue> values)
TrackingValue	newOperation(org.objectweb.asm.tree.AbstractInsnNode insn)
TrackingValue	newValue(org.objectweb.asm.Type type)
void	returnOperation(org.objectweb.asm.tree.AbstractInsnNode insn, TrackingValue value, TrackingValue expected)
TrackingValue	ternaryOperation(org.objectweb.asm.tree.AbstractInsnNode insn, TrackingValue value1, TrackingValue value2, TrackingValue value3)
TrackingValue	unaryOperation(org.objectweb.asm.tree.AbstractInsnNode insn, TrackingValue value)

Methods inherited from class java.lang.Object

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

Constructor Detail

TrackingInterpreter

public TrackingInterpreter()

Build an interpreter.

Method Detail

newValue

public TrackingValue newValue(org.objectweb.asm.Type type)

Specified by:

newValue in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

newOperation

public TrackingValue newOperation(org.objectweb.asm.tree.AbstractInsnNode insn)
                           throws org.objectweb.asm.tree.analysis.AnalyzerException

Specified by:

newOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

Throws:

org.objectweb.asm.tree.analysis.AnalyzerException

unaryOperation

public TrackingValue unaryOperation(org.objectweb.asm.tree.AbstractInsnNode insn,
                                    TrackingValue value)
                             throws org.objectweb.asm.tree.analysis.AnalyzerException

Specified by:

unaryOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

Throws:

org.objectweb.asm.tree.analysis.AnalyzerException

binaryOperation

public TrackingValue binaryOperation(org.objectweb.asm.tree.AbstractInsnNode insn,
                                     TrackingValue value1,
                                     TrackingValue value2)
                              throws org.objectweb.asm.tree.analysis.AnalyzerException

Specified by:

binaryOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

Throws:

org.objectweb.asm.tree.analysis.AnalyzerException

ternaryOperation

public TrackingValue ternaryOperation(org.objectweb.asm.tree.AbstractInsnNode insn,
                                      TrackingValue value1,
                                      TrackingValue value2,
                                      TrackingValue value3)
                               throws org.objectweb.asm.tree.analysis.AnalyzerException

Specified by:

ternaryOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

Throws:

org.objectweb.asm.tree.analysis.AnalyzerException

naryOperation

public TrackingValue naryOperation(org.objectweb.asm.tree.AbstractInsnNode insn,
                                   List<? extends TrackingValue> values)
                            throws org.objectweb.asm.tree.analysis.AnalyzerException

Specified by:

naryOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

Throws:

org.objectweb.asm.tree.analysis.AnalyzerException

copyOperation

public TrackingValue copyOperation(org.objectweb.asm.tree.AbstractInsnNode insn,
                                   TrackingValue value)
                            throws org.objectweb.asm.tree.analysis.AnalyzerException

Specified by:

copyOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

Throws:

org.objectweb.asm.tree.analysis.AnalyzerException

merge

public TrackingValue merge(TrackingValue v,
                           TrackingValue w)

Specified by:

merge in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>

returnOperation

public void returnOperation(org.objectweb.asm.tree.AbstractInsnNode insn,
                            TrackingValue value,
                            TrackingValue expected)

Specified by:

returnOperation in class org.objectweb.asm.tree.analysis.Interpreter<TrackingValue>