proguard.optimize.info

Class BackwardBranchMarker

java.lang.Object

proguard.optimize.info.BackwardBranchMarker

All Implemented Interfaces:

proguard.classfile.instruction.visitor.InstructionVisitor

public class BackwardBranchMarker
extends java.lang.Object
implements proguard.classfile.instruction.visitor.InstructionVisitor

This InstructionVisitor marks all methods that branch backward in any of the instructions that it visits.

Constructor Summary

Constructors

Constructor and Description
BackwardBranchMarker()

Method Summary

Modifier and Type	Method and Description
static boolean	branchesBackward(proguard.classfile.Method method)
void	visitAnyInstruction(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.CodeAttribute codeAttribute, int offset, proguard.classfile.instruction.Instruction instruction)
void	visitAnySwitchInstruction(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.CodeAttribute codeAttribute, int offset, proguard.classfile.instruction.SwitchInstruction switchInstruction)
void	visitBranchInstruction(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.CodeAttribute codeAttribute, int offset, proguard.classfile.instruction.BranchInstruction branchInstruction)

Methods inherited from class java.lang.Object

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

Methods inherited from interface proguard.classfile.instruction.visitor.InstructionVisitor

visitConstantInstruction, visitLookUpSwitchInstruction, visitSimpleInstruction, visitTableSwitchInstruction, visitVariableInstruction

Constructor Detail

BackwardBranchMarker

public BackwardBranchMarker()

Method Detail

visitAnyInstruction

public void visitAnyInstruction(proguard.classfile.Clazz clazz,
                                proguard.classfile.Method method,
                                proguard.classfile.attribute.CodeAttribute codeAttribute,
                                int offset,
                                proguard.classfile.instruction.Instruction instruction)

Specified by:

visitAnyInstruction in interface proguard.classfile.instruction.visitor.InstructionVisitor

visitBranchInstruction

public void visitBranchInstruction(proguard.classfile.Clazz clazz,
                                   proguard.classfile.Method method,
                                   proguard.classfile.attribute.CodeAttribute codeAttribute,
                                   int offset,
                                   proguard.classfile.instruction.BranchInstruction branchInstruction)

Specified by:

visitBranchInstruction in interface proguard.classfile.instruction.visitor.InstructionVisitor

visitAnySwitchInstruction

public void visitAnySwitchInstruction(proguard.classfile.Clazz clazz,
                                      proguard.classfile.Method method,
                                      proguard.classfile.attribute.CodeAttribute codeAttribute,
                                      int offset,
                                      proguard.classfile.instruction.SwitchInstruction switchInstruction)

Specified by:

visitAnySwitchInstruction in interface proguard.classfile.instruction.visitor.InstructionVisitor

branchesBackward

public static boolean branchesBackward(proguard.classfile.Method method)