Package proguard.classfile.editor

Class PeepholeEditor

java.lang.Object

proguard.classfile.editor.PeepholeEditor

All Implemented Interfaces:

AttributeVisitor

public class PeepholeEditor
extends java.lang.Object
implements AttributeVisitor

This AttributeVisitor lets a given instruction visitor edit the code attributes that it visits. The instruction visitor can use a given (optional) branch target finder and code attribute editor, which this class sets up and applies, for convenience.

Constructor Summary

Constructors

Constructor	Description
PeepholeEditor(CodeAttributeEditor codeAttributeEditor, InstructionVisitor instructionVisitor)	Creates a new PeepholeEditor.
PeepholeEditor(BranchTargetFinder branchTargetFinder, CodeAttributeEditor codeAttributeEditor, InstructionVisitor instructionVisitor)	Creates a new PeepholeEditor.

Method Summary

Modifier and Type	Method	Description
void	visitAnyAttribute(Clazz clazz, Attribute attribute)	Visits any Attribute instance.
void	visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)

Methods inherited from class java.lang.Object

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

Methods inherited from interface proguard.classfile.attribute.visitor.AttributeVisitor

visitAnnotationDefaultAttribute, visitAnyAnnotationsAttribute, visitAnyParameterAnnotationsAttribute, visitAnyTypeAnnotationsAttribute, visitBootstrapMethodsAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitEnclosingMethodAttribute, visitExceptionsAttribute, visitInnerClassesAttribute, visitLineNumberTableAttribute, visitLocalVariableTableAttribute, visitLocalVariableTypeTableAttribute, visitMethodParametersAttribute, visitModuleAttribute, visitModuleMainClassAttribute, visitModulePackagesAttribute, visitNestHostAttribute, visitNestMembersAttribute, visitPermittedSubclassesAttribute, visitRecordAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSourceDebugExtensionAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackMapAttribute, visitStackMapTableAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitUnknownAttribute

Constructor Detail

PeepholeEditor

public PeepholeEditor(CodeAttributeEditor codeAttributeEditor,
                      InstructionVisitor instructionVisitor)

Creates a new PeepholeEditor.

Parameters:

codeAttributeEditor - the code attribute editor that will be reset and then executed.

instructionVisitor - the instruction visitor that performs peephole optimizations using the above code attribute editor.

PeepholeEditor

public PeepholeEditor(BranchTargetFinder branchTargetFinder,
                      CodeAttributeEditor codeAttributeEditor,
                      InstructionVisitor instructionVisitor)

Creates a new PeepholeEditor.

Parameters:

branchTargetFinder - branch target finder that will be initialized to indicate branch targets in the visited code.

codeAttributeEditor - the code attribute editor that will be reset and then executed.

instructionVisitor - the instruction visitor that performs peephole optimizations using the above code attribute editor.

Method Detail

visitAnyAttribute

public void visitAnyAttribute(Clazz clazz,
                              Attribute attribute)

Description copied from interface: AttributeVisitor

Visits any Attribute instance. The more specific default implementations of this interface delegate to this method.

Specified by:

visitAnyAttribute in interface AttributeVisitor

visitCodeAttribute

public void visitCodeAttribute(Clazz clazz,
                               Method method,
                               CodeAttribute codeAttribute)

Specified by:

visitCodeAttribute in interface AttributeVisitor