1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/* 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * of Java bytecode. 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 5b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) 6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is free software; you can redistribute it and/or modify it 8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * under the terms of the GNU General Public License as published by the Free 9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Software Foundation; either version 2 of the License, or (at your option) 10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * any later version. 11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is distributed in the hope that it will be useful, but WITHOUT 13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * more details. 16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * You should have received a copy of the GNU General Public License along 18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * with this program; if not, write to the Free Software Foundation, Inc., 19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopackage proguard.evaluation; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.*; 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.attribute.CodeAttribute; 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.instruction.ConstantInstruction; 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.evaluation.value.Value; 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This interface sets up the variables for entering a method, 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * and it updates the stack for the invocation of a class member. 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic interface InvocationUnit 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Sets up the given variables for entering the given method. 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void enterMethod(Clazz clazz, 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Method method, 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Variables variables); 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Exits the given method with the given return value. 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void exitMethod(Clazz clazz, 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Method method, 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Value returnValue); 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Updates the given stack corresponding to the execution of the given 54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * field or method reference instruction. 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void invokeMember(Clazz clazz, 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Method method, 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato CodeAttribute codeAttribute, 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato int offset, 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato ConstantInstruction constantInstruction, 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Stack stack); 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato} 63