proguard.optimize.info

Class NonEmptyStackReturnMarker

java.lang.Object

proguard.optimize.info.NonEmptyStackReturnMarker

All Implemented Interfaces:

proguard.classfile.instruction.visitor.InstructionVisitor

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

This InstructionVisitor marks all methods that return with a non-empty stack (other than the return value).

Constructor Summary

Constructors

Constructor and Description
NonEmptyStackReturnMarker(proguard.classfile.attribute.visitor.StackSizeComputer stackSizeComputer) Creates a new NonEmptyStackReturnMarker

Method Summary

Modifier and Type	Method and Description
static boolean	returnsWithNonEmptyStack(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	visitSimpleInstruction(proguard.classfile.Clazz clazz, proguard.classfile.Method method, proguard.classfile.attribute.CodeAttribute codeAttribute, int offset, proguard.classfile.instruction.SimpleInstruction simpleInstruction)

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

visitAnySwitchInstruction, visitBranchInstruction, visitConstantInstruction, visitLookUpSwitchInstruction, visitTableSwitchInstruction, visitVariableInstruction

Constructor Detail

NonEmptyStackReturnMarker

public NonEmptyStackReturnMarker(proguard.classfile.attribute.visitor.StackSizeComputer stackSizeComputer)

Creates a new NonEmptyStackReturnMarker

Parameters:

stackSizeComputer - the stack size computer that can return the stack sizes at the instructions that are visited.

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

visitSimpleInstruction

public void visitSimpleInstruction(proguard.classfile.Clazz clazz,
                                   proguard.classfile.Method method,
                                   proguard.classfile.attribute.CodeAttribute codeAttribute,
                                   int offset,
                                   proguard.classfile.instruction.SimpleInstruction simpleInstruction)

Specified by:

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

returnsWithNonEmptyStack

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