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92 lines
3.0 KiB
92 lines
3.0 KiB
// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
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package org.jetbrains.java.decompiler.struct.attr;
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import org.jetbrains.java.decompiler.modules.decompiler.exps.AnnotationExprent;
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import org.jetbrains.java.decompiler.modules.decompiler.exps.TypeAnnotation;
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import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
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import org.jetbrains.java.decompiler.util.DataInputFullStream;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class StructTypeAnnotationAttribute extends StructGeneralAttribute {
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private List<TypeAnnotation> annotations = Collections.emptyList();
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@Override
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public void initContent(DataInputFullStream data, ConstantPool pool) throws IOException {
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int len = data.readUnsignedShort();
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if (len > 0) {
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annotations = new ArrayList<>(len);
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for (int i = 0; i < len; i++) {
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annotations.add(parse(data, pool));
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}
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}
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else {
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annotations = Collections.emptyList();
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}
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}
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private static TypeAnnotation parse(DataInputStream data, ConstantPool pool) throws IOException {
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int targetType = data.readUnsignedByte();
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int target = targetType << 24;
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switch (targetType) {
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case TypeAnnotation.CLASS_TYPE_PARAMETER:
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case TypeAnnotation.METHOD_TYPE_PARAMETER:
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case TypeAnnotation.METHOD_PARAMETER:
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target |= data.readUnsignedByte();
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break;
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case TypeAnnotation.SUPER_TYPE_REFERENCE:
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case TypeAnnotation.CLASS_TYPE_PARAMETER_BOUND:
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case TypeAnnotation.METHOD_TYPE_PARAMETER_BOUND:
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case TypeAnnotation.THROWS_REFERENCE:
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case TypeAnnotation.CATCH_CLAUSE:
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case TypeAnnotation.EXPR_INSTANCEOF:
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case TypeAnnotation.EXPR_NEW:
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case TypeAnnotation.EXPR_CONSTRUCTOR_REF:
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case TypeAnnotation.EXPR_METHOD_REF:
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target |= data.readUnsignedShort();
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break;
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case TypeAnnotation.TYPE_ARG_CAST:
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case TypeAnnotation.TYPE_ARG_CONSTRUCTOR_CALL:
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case TypeAnnotation.TYPE_ARG_METHOD_CALL:
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case TypeAnnotation.TYPE_ARG_CONSTRUCTOR_REF:
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case TypeAnnotation.TYPE_ARG_METHOD_REF:
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data.skipBytes(3);
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break;
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case TypeAnnotation.LOCAL_VARIABLE:
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case TypeAnnotation.RESOURCE_VARIABLE:
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data.skipBytes(data.readUnsignedShort() * 6);
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break;
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case TypeAnnotation.FIELD:
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case TypeAnnotation.METHOD_RETURN_TYPE:
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case TypeAnnotation.METHOD_RECEIVER:
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break;
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default:
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throw new RuntimeException("unknown target type: " + targetType);
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}
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int pathLength = data.readUnsignedByte();
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byte[] path = null;
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if (pathLength > 0) {
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path = new byte[2 * pathLength];
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data.readFully(path);
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}
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AnnotationExprent annotation = StructAnnotationAttribute.parseAnnotation(data, pool);
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return new TypeAnnotation(target, path, annotation);
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}
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public List<TypeAnnotation> getAnnotations() {
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return annotations;
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}
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} |