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Diffstat (limited to 'src/proguard/optimize/info/SuperInvocationMarker.java')
-rw-r--r-- | src/proguard/optimize/info/SuperInvocationMarker.java | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/proguard/optimize/info/SuperInvocationMarker.java b/src/proguard/optimize/info/SuperInvocationMarker.java deleted file mode 100644 index 990a9ea..0000000 --- a/src/proguard/optimize/info/SuperInvocationMarker.java +++ /dev/null @@ -1,93 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) - * - * 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.optimize.info; - -import proguard.classfile.*; -import proguard.classfile.attribute.CodeAttribute; -import proguard.classfile.constant.RefConstant; -import proguard.classfile.constant.visitor.ConstantVisitor; -import proguard.classfile.instruction.*; -import proguard.classfile.instruction.visitor.InstructionVisitor; -import proguard.classfile.util.SimplifiedVisitor; - -/** - * This InstructionVisitor marks all methods that invoke super methods (other - * than initializers) from the instructions that it visits. - * - * @author Eric Lafortune - */ -public class SuperInvocationMarker -extends SimplifiedVisitor -implements InstructionVisitor, - ConstantVisitor -{ - private boolean invokesSuperMethods; - - - // Implementations for InstructionVisitor. - - public void visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction) {} - - - public void visitConstantInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, ConstantInstruction constantInstruction) - { - if (constantInstruction.opcode == InstructionConstants.OP_INVOKESPECIAL) - { - invokesSuperMethods = false; - - clazz.constantPoolEntryAccept(constantInstruction.constantIndex, this); - - if (invokesSuperMethods) - { - setInvokesSuperMethods(method); - } - } - } - - - // Implementations for ConstantVisitor. - - public void visitAnyMethodrefConstant(Clazz clazz, RefConstant refConstant) - { - invokesSuperMethods = - !clazz.equals(refConstant.referencedClass) && - !refConstant.getName(clazz).equals(ClassConstants.METHOD_NAME_INIT); - } - - - // Small utility methods. - - private static void setInvokesSuperMethods(Method method) - { - MethodOptimizationInfo info = MethodOptimizationInfo.getMethodOptimizationInfo(method); - if (info != null) - { - info.setInvokesSuperMethods(); - } - } - - - public static boolean invokesSuperMethods(Method method) - { - MethodOptimizationInfo info = MethodOptimizationInfo.getMethodOptimizationInfo(method); - return info == null || info.invokesSuperMethods(); - } -} |