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Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/AnnotationAdder.java')
| -rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/AnnotationAdder.java | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/AnnotationAdder.java b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/AnnotationAdder.java new file mode 100644 index 0000000000..3cd4d2f210 --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/editor/AnnotationAdder.java @@ -0,0 +1,153 @@ +/* + * 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.annotation.*; +import proguard.classfile.attribute.annotation.visitor.AnnotationVisitor; +import proguard.classfile.util.SimplifiedVisitor; + +/** + * This AnnotationVisitor adds all annotations that it visits to the given + * target annotation element value, target annotation attribute, or target + * parameter annotation attribute. + * + * @author Eric Lafortune + */ +public class AnnotationAdder +extends SimplifiedVisitor +implements AnnotationVisitor +{ + private static final ElementValue[] EMPTY_ELEMENT_VALUES = new ElementValue[0]; + + + private final ProgramClass targetClass; + private final AnnotationElementValue targetAnnotationElementValue; + private final AnnotationsAttributeEditor annotationsAttributeEditor; + private final ParameterAnnotationsAttributeEditor parameterAnnotationsAttributeEditor; + + private final ConstantAdder constantAdder; + + + /** + * Creates a new AnnotationAdder that will copy annotations into the given + * target annotation element value. + */ + public AnnotationAdder(ProgramClass targetClass, + AnnotationElementValue targetAnnotationElementValue) + { + this.targetClass = targetClass; + this.targetAnnotationElementValue = targetAnnotationElementValue; + this.annotationsAttributeEditor = null; + this.parameterAnnotationsAttributeEditor = null; + + constantAdder = new ConstantAdder(targetClass); + } + + + /** + * Creates a new AnnotationAdder that will copy annotations into the given + * target annotations attribute. + */ + public AnnotationAdder(ProgramClass targetClass, + AnnotationsAttribute targetAnnotationsAttribute) + { + this.targetClass = targetClass; + this.targetAnnotationElementValue = null; + this.annotationsAttributeEditor = new AnnotationsAttributeEditor(targetAnnotationsAttribute); + this.parameterAnnotationsAttributeEditor = null; + + constantAdder = new ConstantAdder(targetClass); + } + + + /** + * Creates a new AnnotationAdder that will copy annotations into the given + * target parameter annotations attribute. + */ + public AnnotationAdder(ProgramClass targetClass, + ParameterAnnotationsAttribute targetParameterAnnotationsAttribute) + { + this.targetClass = targetClass; + this.targetAnnotationElementValue = null; + this.annotationsAttributeEditor = null; + this.parameterAnnotationsAttributeEditor = new ParameterAnnotationsAttributeEditor(targetParameterAnnotationsAttribute); + + constantAdder = new ConstantAdder(targetClass); + } + + + // Implementations for AnnotationVisitor. + + public void visitAnnotation(Clazz clazz, Annotation annotation) + { + Annotation newAnnotation = + new Annotation(constantAdder.addConstant(clazz, annotation.u2typeIndex), + 0, + annotation.u2elementValuesCount > 0 ? + new ElementValue[annotation.u2elementValuesCount] : + EMPTY_ELEMENT_VALUES); + + // TODO: Clone array. + newAnnotation.referencedClasses = annotation.referencedClasses; + + // Add the element values. + annotation.elementValuesAccept(clazz, + new ElementValueAdder(targetClass, + newAnnotation, + false)); + + // What's the target? + if (targetAnnotationElementValue != null) + { + // Simply set the completed annotation. + targetAnnotationElementValue.annotationValue = newAnnotation; + } + else + { + // Add the completed annotation. + annotationsAttributeEditor.addAnnotation(newAnnotation); + } + } + + + public void visitAnnotation(Clazz clazz, Method method, int parameterIndex, Annotation annotation) + { + Annotation newAnnotation = + new Annotation(constantAdder.addConstant(clazz, annotation.u2typeIndex), + 0, + annotation.u2elementValuesCount > 0 ? + new ElementValue[annotation.u2elementValuesCount] : + EMPTY_ELEMENT_VALUES); + + // TODO: Clone array. + newAnnotation.referencedClasses = annotation.referencedClasses; + + // Add the element values. + annotation.elementValuesAccept(clazz, + new ElementValueAdder(targetClass, + newAnnotation, + false)); + + // Add the completed annotation. + parameterAnnotationsAttributeEditor.addAnnotation(parameterIndex, newAnnotation); + } +}
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