diff options
Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/LocalVariableInfoAdder.java')
| -rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/LocalVariableInfoAdder.java | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/LocalVariableInfoAdder.java b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/LocalVariableInfoAdder.java new file mode 100644 index 0000000000..909dc8f74a --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/LocalVariableInfoAdder.java @@ -0,0 +1,67 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare + * + * 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.classfile.editor; + +import proguard.classfile.*; +import proguard.classfile.attribute.*; +import proguard.classfile.attribute.visitor.LocalVariableInfoVisitor; + +/** + * This LocalVariableInfoVisitor adds all local variables that it visits to the + * given target local variable table attribute. + */ +public class LocalVariableInfoAdder +implements LocalVariableInfoVisitor +{ + private final ConstantAdder constantAdder; + private final LocalVariableTableAttributeEditor localVariableTableAttributeEditor; + + + /** + * Creates a new LocalVariableInfoAdder that will copy local variables + * into the given target local variable table. + */ + public LocalVariableInfoAdder(ProgramClass targetClass, + LocalVariableTableAttribute targetLocalVariableTableAttribute) + { + this.constantAdder = new ConstantAdder(targetClass); + this.localVariableTableAttributeEditor = new LocalVariableTableAttributeEditor(targetLocalVariableTableAttribute); + } + + + // Implementations for LocalVariableInfoVisitor. + + public void visitLocalVariableInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfo localVariableInfo) + { + // Create a new local variable. + LocalVariableInfo newLocalVariableInfo = + new LocalVariableInfo(localVariableInfo.u2startPC, + localVariableInfo.u2length, + constantAdder.addConstant(clazz, localVariableInfo.u2nameIndex), + constantAdder.addConstant(clazz, localVariableInfo.u2descriptorIndex), + localVariableInfo.u2index); + + newLocalVariableInfo.referencedClass = localVariableInfo.referencedClass; + + // Add it to the target. + localVariableTableAttributeEditor.addLocalVariableInfo(newLocalVariableInfo); + } +}
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