proguard.evaluation.InvocationUnit Maven / Gradle / Ivy
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2018 GuardSquare NV
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.evaluation;
import proguard.classfile.*;
import proguard.classfile.attribute.CodeAttribute;
import proguard.classfile.instruction.ConstantInstruction;
import proguard.evaluation.value.Value;
/**
* This interface sets up the variables for entering a method,
* and it updates the stack for the invocation of a class member.
*
* @author Eric Lafortune
*/
public interface InvocationUnit
{
/**
* Sets up the given variables for entering the given method.
*/
public void enterMethod(Clazz clazz,
Method method,
Variables variables);
/**
* Exits the given method with the given return value.
*/
public void exitMethod(Clazz clazz,
Method method,
Value returnValue);
/**
* Sets up the given stack for entering the given exception handler.
*/
public void enterExceptionHandler(Clazz clazz,
Method method,
CodeAttribute codeAttribute,
int offset,
int catchType,
Stack stack);
/**
* Updates the given stack corresponding to the execution of the given
* field or method reference instruction.
*/
public void invokeMember(Clazz clazz,
Method method,
CodeAttribute codeAttribute,
int offset,
ConstantInstruction constantInstruction,
Stack stack);
}
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