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96 lines
3.4 KiB
96 lines
3.4 KiB
/*
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* Copyright 2000-2017 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.java.decompiler.struct;
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import org.jetbrains.java.decompiler.code.CodeConstants;
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import org.jetbrains.java.decompiler.struct.attr.StructGeneralAttribute;
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import org.jetbrains.java.decompiler.struct.attr.StructLocalVariableTableAttribute;
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import org.jetbrains.java.decompiler.struct.attr.StructLocalVariableTypeTableAttribute;
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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.IOException;
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import java.util.HashMap;
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import java.util.Map;
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public class StructMember {
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protected int accessFlags;
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protected Map<String, StructGeneralAttribute> attributes;
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public int getAccessFlags() {
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return accessFlags;
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}
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public StructGeneralAttribute getAttribute(String name) {
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return attributes.get(name);
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}
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public boolean hasAttribute(String name) {
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return attributes.containsKey(name);
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}
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public boolean hasModifier(int modifier) {
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return (accessFlags & modifier) == modifier;
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}
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public boolean isSynthetic() {
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return hasModifier(CodeConstants.ACC_SYNTHETIC) || hasAttribute(StructGeneralAttribute.ATTRIBUTE_SYNTHETIC);
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}
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protected Map<String, StructGeneralAttribute> readAttributes(DataInputFullStream in, ConstantPool pool) throws IOException {
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int length = in.readUnsignedShort();
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Map<String, StructGeneralAttribute> attributes = new HashMap<>(length);
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for (int i = 0; i < length; i++) {
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int nameIndex = in.readUnsignedShort();
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String name = pool.getPrimitiveConstant(nameIndex).getString();
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StructGeneralAttribute attribute = readAttribute(in, pool, name);
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if (attribute != null) {
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if (StructGeneralAttribute.ATTRIBUTE_LOCAL_VARIABLE_TABLE.equals(name) && attributes.containsKey(name)) {
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// merge all variable tables
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StructLocalVariableTableAttribute table = (StructLocalVariableTableAttribute)attributes.get(name);
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table.add((StructLocalVariableTableAttribute)attribute);
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}
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else if (StructGeneralAttribute.ATTRIBUTE_LOCAL_VARIABLE_TYPE_TABLE.equals(name) && attributes.containsKey(name)) {
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// merge all variable tables
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StructLocalVariableTypeTableAttribute table = (StructLocalVariableTypeTableAttribute)attributes.get(name);
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table.add((StructLocalVariableTypeTableAttribute)attribute);
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}
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else {
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attributes.put(attribute.getName(), attribute);
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}
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}
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}
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return attributes;
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}
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protected StructGeneralAttribute readAttribute(DataInputFullStream in, ConstantPool pool, String name) throws IOException {
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StructGeneralAttribute attribute = StructGeneralAttribute.createAttribute(name);
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int length = in.readInt();
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if (attribute == null) {
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in.discard(length);
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}
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else {
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attribute.initContent(in, pool);
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}
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return attribute;
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}
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} |