程序包 proguard.evaluation

类 SimplifiedInvocationUnit

java.lang.Object

proguard.evaluation.SimplifiedInvocationUnit

所有已实现的接口:

ConstantVisitor, ParameterVisitor, InvocationUnit

直接已知子类:

BasicInvocationUnit, ReferenceTracingInvocationUnit

public abstract class SimplifiedInvocationUnit
extends java.lang.Object
implements InvocationUnit, ParameterVisitor, ConstantVisitor

This InvocationUnit sets up the variables for entering a method, and it updates the stack for the invocation of a class member, using simple values.

字段概要

字段

修饰符和类型	字段	说明
protected boolean	isLoad
protected boolean	isStatic
protected Method	method
protected Stack	stack
protected Variables	variables

构造器概要

构造器

构造器	说明
SimplifiedInvocationUnit()

方法概要

修饰符和类型	方法	说明
void	enterExceptionHandler(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, int catchType, Stack stack)	Sets up the given stack for entering the given exception handler.
void	enterMethod(Clazz clazz, Method method, Variables variables)	Sets up the given variables for entering the given method.
void	exitMethod(Clazz clazz, Method method, Value returnValue)	Exits the given method with the given return value.
abstract Value	getExceptionValue(Clazz clazz, ClassConstant catchClassConstant)	Returns the value of the specified exception.
abstract Value	getFieldClassValue(Clazz clazz, FieldrefConstant fieldrefConstant, java.lang.String type)	Returns the class though which the specified field is accessed.
abstract Value	getFieldValue(Clazz clazz, FieldrefConstant fieldrefConstant, java.lang.String type)	Returns the value of the specified field.
abstract Value	getMethodParameterValue(Clazz clazz, Method method, int parameterIndex, java.lang.String type, Clazz referencedClass)	Returns the value of the specified method parameter.
abstract Value	getMethodReturnValue(Clazz clazz, AnyMethodrefConstant anyMethodrefConstant, java.lang.String type)	Returns the return value of the specified method.
abstract Value	getMethodReturnValue(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant, java.lang.String type)	Returns the return value of the specified method.
void	invokeMember(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, ConstantInstruction constantInstruction, Stack stack, Variables variables)	Updates the given stack corresponding to the execution of the given field or method reference instruction.
protected boolean	methodMayHaveSideEffects(Clazz clazz, AnyMethodrefConstant anyMethodrefConstant, java.lang.String returnType)	Returns true if the method itself can modify the stack/variables and therefore needs to be executed even if it returns void.
abstract void	setFieldClassValue(Clazz clazz, FieldrefConstant fieldrefConstant, ReferenceValue value)	Sets the class through which the specified field is accessed.
abstract void	setFieldValue(Clazz clazz, FieldrefConstant fieldrefConstant, Value value)	Sets the value of the specified field.
abstract void	setMethodParameterValue(Clazz clazz, AnyMethodrefConstant anyMethodrefConstant, int parameterIndex, Value value)	Sets the value of the specified method parameter.
abstract void	setMethodReturnValue(Clazz clazz, Method method, Value value)	Sets the return value of the specified method.
void	visitAnyMethodrefConstant(Clazz clazz, AnyMethodrefConstant anyMethodrefConstant)	Visits any RefConstant instance.
void	visitFieldrefConstant(Clazz clazz, FieldrefConstant fieldrefConstant)
void	visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant)
void	visitParameter(Clazz clazz, Member member, int parameterIndex, int parameterCount, int parameterOffset, int parameterSize, java.lang.String parameterType, Clazz referencedClass)	Visits the given parameter.

从类继承的方法 java.lang.Object

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

从接口继承的方法 proguard.classfile.constant.visitor.ConstantVisitor

visitAnyConstant, visitAnyRefConstant, visitClassConstant, visitDoubleConstant, visitDynamicConstant, visitFloatConstant, visitIntegerConstant, visitInterfaceMethodrefConstant, visitLongConstant, visitMethodHandleConstant, visitMethodrefConstant, visitMethodTypeConstant, visitModuleConstant, visitNameAndTypeConstant, visitPackageConstant, visitPrimitiveArrayConstant, visitStringConstant, visitUtf8Constant

字段详细资料

variables

protected Variables variables

isStatic

protected boolean isStatic

isLoad

protected boolean isLoad

stack

protected Stack stack

method

protected Method method

构造器详细资料

SimplifiedInvocationUnit

public SimplifiedInvocationUnit()

方法详细资料

enterMethod

public void enterMethod(Clazz clazz,
                        Method method,
                        Variables variables)

从接口复制的说明: InvocationUnit

Sets up the given variables for entering the given method.

指定者:

enterMethod 在接口中 InvocationUnit

visitParameter

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

从接口复制的说明: ParameterVisitor

Visits the given parameter.

指定者:

visitParameter 在接口中 ParameterVisitor

参数:

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.

exitMethod

public void exitMethod(Clazz clazz,
                       Method method,
                       Value returnValue)

从接口复制的说明: InvocationUnit

Exits the given method with the given return value.

指定者:

exitMethod 在接口中 InvocationUnit

enterExceptionHandler

public void enterExceptionHandler(Clazz clazz,
                                  Method method,
                                  CodeAttribute codeAttribute,
                                  int offset,
                                  int catchType,
                                  Stack stack)

从接口复制的说明: InvocationUnit

Sets up the given stack for entering the given exception handler.

指定者:

enterExceptionHandler 在接口中 InvocationUnit

invokeMember

public void invokeMember(Clazz clazz,
                         Method method,
                         CodeAttribute codeAttribute,
                         int offset,
                         ConstantInstruction constantInstruction,
                         Stack stack,
                         Variables variables)

从接口复制的说明: InvocationUnit

Updates the given stack corresponding to the execution of the given field or method reference instruction.

指定者:

invokeMember 在接口中 InvocationUnit

visitFieldrefConstant

public void visitFieldrefConstant(Clazz clazz,
                                  FieldrefConstant fieldrefConstant)

指定者:

visitFieldrefConstant 在接口中 ConstantVisitor

visitAnyMethodrefConstant

public void visitAnyMethodrefConstant(Clazz clazz,
                                      AnyMethodrefConstant anyMethodrefConstant)

从接口复制的说明: ConstantVisitor

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

指定者:

visitAnyMethodrefConstant 在接口中 ConstantVisitor

visitInvokeDynamicConstant

public void visitInvokeDynamicConstant(Clazz clazz,
                                       InvokeDynamicConstant invokeDynamicConstant)

指定者:

visitInvokeDynamicConstant 在接口中 ConstantVisitor

getExceptionValue

public abstract Value getExceptionValue(Clazz clazz,
                                        ClassConstant catchClassConstant)

Returns the value of the specified exception.

setFieldClassValue

public abstract void setFieldClassValue(Clazz clazz,
                                        FieldrefConstant fieldrefConstant,
                                        ReferenceValue value)

Sets the class through which the specified field is accessed.

getFieldClassValue

public abstract Value getFieldClassValue(Clazz clazz,
                                         FieldrefConstant fieldrefConstant,
                                         java.lang.String type)

Returns the class though which the specified field is accessed.

setFieldValue

public abstract void setFieldValue(Clazz clazz,
                                   FieldrefConstant fieldrefConstant,
                                   Value value)

Sets the value of the specified field.

getFieldValue

public abstract Value getFieldValue(Clazz clazz,
                                    FieldrefConstant fieldrefConstant,
                                    java.lang.String type)

Returns the value of the specified field.

setMethodParameterValue

public abstract void setMethodParameterValue(Clazz clazz,
                                             AnyMethodrefConstant anyMethodrefConstant,
                                             int parameterIndex,
                                             Value value)

Sets the value of the specified method parameter.

getMethodParameterValue

public abstract Value getMethodParameterValue(Clazz clazz,
                                              Method method,
                                              int parameterIndex,
                                              java.lang.String type,
                                              Clazz referencedClass)

Returns the value of the specified method parameter.

setMethodReturnValue

public abstract void setMethodReturnValue(Clazz clazz,
                                          Method method,
                                          Value value)

Sets the return value of the specified method.

getMethodReturnValue

public abstract Value getMethodReturnValue(Clazz clazz,
                                           AnyMethodrefConstant anyMethodrefConstant,
                                           java.lang.String type)

Returns the return value of the specified method.

getMethodReturnValue

public abstract Value getMethodReturnValue(Clazz clazz,
                                           InvokeDynamicConstant invokeDynamicConstant,
                                           java.lang.String type)

Returns the return value of the specified method.

methodMayHaveSideEffects

protected boolean methodMayHaveSideEffects(Clazz clazz,
                                           AnyMethodrefConstant anyMethodrefConstant,
                                           java.lang.String returnType)

Returns true if the method itself can modify the stack/variables and therefore needs to be executed even if it returns void.