proguard.optimize.evaluation

Class SimpleEnumUseChecker

java.lang.Object

proguard.classfile.util.SimplifiedVisitor

proguard.optimize.evaluation.SimpleEnumUseChecker

All Implemented Interfaces:

AttributeVisitor, ConstantVisitor, InstructionVisitor, ClassVisitor, MemberVisitor, ParameterVisitor

public class SimpleEnumUseChecker
extends SimplifiedVisitor
implements ClassVisitor, MemberVisitor, AttributeVisitor, InstructionVisitor, ConstantVisitor, ParameterVisitor

This ClassVisitor marks enums that can't be simplified due to the way they are used in the classes that it visits.

Author:

Eric Lafortune

See Also:

SimpleEnumMarker

Constructor Summary

Constructors

Constructor and Description
SimpleEnumUseChecker() Creates a new SimpleEnumUseSimplifier.
SimpleEnumUseChecker(PartialEvaluator partialEvaluator) Creates a new SimpleEnumUseChecker.

Method Summary

Methods

Modifier and Type	Method and Description
void	visitAnyAttribute(Clazz clazz, Attribute attribute) Visit any type of attribute.
void	visitAnySwitchInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, SwitchInstruction switchInstruction) Visits either type of SwitchInstruction.
void	visitBranchInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, BranchInstruction branchInstruction)
void	visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
void	visitConstantInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, ConstantInstruction constantInstruction)
void	visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod)
void	visitParameter(Clazz clazz, Member member, int parameterIndex, int parameterCount, int parameterOffset, int parameterSize, String parameterType, Clazz referencedClass) Visits the given parameter.
void	visitProgramClass(ProgramClass programClass)
void	visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
void	visitSimpleInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, SimpleInstruction simpleInstruction)
void	visitVariableInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VariableInstruction variableInstruction)

Methods inherited from class proguard.classfile.util.SimplifiedVisitor

visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotation, visitAnnotationDefaultAttribute, visitAnnotationElementValue, visitAnyAnnotationsAttribute, visitAnyClass, visitAnyConstant, visitAnyElementValue, visitAnyInstruction, visitAnyMember, visitAnyMethodrefConstant, visitAnyParameterAnnotationsAttribute, visitAnyRefConstant, visitAnyStackMapFrame, visitAnyTargetInfo, visitAnyTypeAnnotationsAttribute, visitAnyVerificationType, visitArrayElementValue, visitBootstrapMethodsAttribute, visitCatchTargetInfo, visitClassConstant, visitClassElementValue, visitConstantElementValue, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDoubleConstant, visitDoubleType, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEmptyTargetInfo, visitEnclosingMethodAttribute, visitEnumConstantElementValue, visitExceptionsAttribute, visitFieldrefConstant, visitFloatConstant, visitFloatType, visitFormalParameterTargetInfo, visitFullFrame, visitInnerClassesAttribute, visitIntegerConstant, visitIntegerType, visitInterfaceMethodrefConstant, visitInvokeDynamicConstant, visitLessZeroFrame, visitLibraryClass, visitLibraryField, visitLibraryMember, visitLineNumberTableAttribute, visitLocalVariableTableAttribute, visitLocalVariableTargetInfo, visitLocalVariableTypeTableAttribute, visitLongConstant, visitLongType, visitLookUpSwitchInstruction, visitMethodHandleConstant, visitMethodParametersAttribute, visitMethodrefConstant, visitMethodTypeConstant, visitMoreZeroFrame, visitNameAndTypeConstant, visitNullType, visitObjectType, visitOffsetTargetInfo, visitProgramField, visitProgramMember, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSameOneFrame, visitSameZeroFrame, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackDoubleType, visitStackFloatType, visitStackIntegerType, visitStackLongType, visitStackMapAttribute, visitStackMapTableAttribute, visitStackNullType, visitStackObjectType, visitStackTopType, visitStackUninitializedThisType, visitStackUninitializedType, visitStringConstant, visitSuperTypeTargetInfo, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitTableSwitchInstruction, visitThrowsTargetInfo, visitTopType, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeAnnotation, visitTypeArgumentTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterBoundTargetInfo, visitTypeParameterTargetInfo, visitTypeParameterTargetInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitTypePathInfo, visitUninitializedThisType, visitUninitializedType, visitUnknownAttribute, visitUtf8Constant, visitVariablesDoubleType, visitVariablesFloatType, visitVariablesIntegerType, visitVariablesLongType, visitVariablesNullType, visitVariablesObjectType, visitVariablesTopType, visitVariablesUninitializedThisType, visitVariablesUninitializedType

Methods inherited from class java.lang.Object

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

Methods inherited from interface proguard.classfile.visitor.ClassVisitor

visitLibraryClass

Methods inherited from interface proguard.classfile.visitor.MemberVisitor

visitLibraryField, visitProgramField

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

visitAnnotationDefaultAttribute, visitBootstrapMethodsAttribute, visitConstantValueAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitDeprecatedAttribute, visitEnclosingMethodAttribute, visitExceptionsAttribute, visitInnerClassesAttribute, visitLineNumberTableAttribute, visitLocalVariableTableAttribute, visitLocalVariableTypeTableAttribute, visitMethodParametersAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleAnnotationsAttribute, visitRuntimeInvisibleParameterAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeInvisibleTypeAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleAnnotationsAttribute, visitRuntimeVisibleParameterAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitRuntimeVisibleTypeAnnotationsAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSignatureAttribute, visitSourceDirAttribute, visitSourceFileAttribute, visitStackMapAttribute, visitStackMapTableAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitSyntheticAttribute, visitUnknownAttribute

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

visitLookUpSwitchInstruction, visitTableSwitchInstruction

Methods inherited from interface proguard.classfile.constant.visitor.ConstantVisitor

visitClassConstant, visitDoubleConstant, visitFieldrefConstant, visitFloatConstant, visitIntegerConstant, visitInterfaceMethodrefConstant, visitInvokeDynamicConstant, visitLongConstant, visitMethodHandleConstant, visitMethodrefConstant, visitMethodTypeConstant, visitNameAndTypeConstant, visitStringConstant, visitUtf8Constant

Constructor Detail

SimpleEnumUseChecker

public SimpleEnumUseChecker()

Creates a new SimpleEnumUseSimplifier.

SimpleEnumUseChecker

public SimpleEnumUseChecker(PartialEvaluator partialEvaluator)

Creates a new SimpleEnumUseChecker.

Parameters:

partialEvaluator - the partial evaluator that will execute the code and provide information about the results.

Method Detail

visitProgramClass

public void visitProgramClass(ProgramClass programClass)

Specified by:

visitProgramClass in interface ClassVisitor

Overrides:

visitProgramClass in class SimplifiedVisitor

visitAnyAttribute

public void visitAnyAttribute(Clazz clazz,
                     Attribute attribute)

Description copied from class: SimplifiedVisitor

Visit any type of attribute.

Overrides:

visitAnyAttribute in class SimplifiedVisitor

visitCodeAttribute

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

Specified by:

visitCodeAttribute in interface AttributeVisitor

Overrides:

visitCodeAttribute in class SimplifiedVisitor

visitSimpleInstruction

public void visitSimpleInstruction(Clazz clazz,
                          Method method,
                          CodeAttribute codeAttribute,
                          int offset,
                          SimpleInstruction simpleInstruction)

Specified by:

visitSimpleInstruction in interface InstructionVisitor

Overrides:

visitSimpleInstruction in class SimplifiedVisitor

visitVariableInstruction

public void visitVariableInstruction(Clazz clazz,
                            Method method,
                            CodeAttribute codeAttribute,
                            int offset,
                            VariableInstruction variableInstruction)

Specified by:

visitVariableInstruction in interface InstructionVisitor

Overrides:

visitVariableInstruction in class SimplifiedVisitor

visitConstantInstruction

public void visitConstantInstruction(Clazz clazz,
                            Method method,
                            CodeAttribute codeAttribute,
                            int offset,
                            ConstantInstruction constantInstruction)

Specified by:

visitConstantInstruction in interface InstructionVisitor

Overrides:

visitConstantInstruction in class SimplifiedVisitor

visitBranchInstruction

public void visitBranchInstruction(Clazz clazz,
                          Method method,
                          CodeAttribute codeAttribute,
                          int offset,
                          BranchInstruction branchInstruction)

Specified by:

visitBranchInstruction in interface InstructionVisitor

Overrides:

visitBranchInstruction in class SimplifiedVisitor

visitAnySwitchInstruction

public void visitAnySwitchInstruction(Clazz clazz,
                             Method method,
                             CodeAttribute codeAttribute,
                             int offset,
                             SwitchInstruction switchInstruction)

Description copied from class: SimplifiedVisitor

Visits either type of SwitchInstruction.

Overrides:

visitAnySwitchInstruction in class SimplifiedVisitor

visitLibraryMethod

public void visitLibraryMethod(LibraryClass libraryClass,
                      LibraryMethod libraryMethod)

Specified by:

visitLibraryMethod in interface MemberVisitor

Overrides:

visitLibraryMethod in class SimplifiedVisitor

visitProgramMethod

public void visitProgramMethod(ProgramClass programClass,
                      ProgramMethod programMethod)

Specified by:

visitProgramMethod in interface MemberVisitor

Overrides:

visitProgramMethod in class SimplifiedVisitor

visitParameter

public void visitParameter(Clazz clazz,
                  Member member,
                  int parameterIndex,
                  int parameterCount,
                  int parameterOffset,
                  int parameterSize,
                  String parameterType,
                  Clazz referencedClass)

Description copied from interface: ParameterVisitor

Visits the given parameter.

Specified by:

visitParameter in interface ParameterVisitor

Parameters:

clazz - the class of the method.

member - the field or method of the parameter.

parameterIndex - the index of the parameter.

parameterCount - the total number of parameters.

parameterOffset - the offset of the parameter, accounting for longs and doubles taking up two entries.

parameterSize - the total size of the parameters, accounting for longs and doubles taking up two entries.

parameterType - the parameter type.

referencedClass - the class contained in the parameter type, if any.