diff options
Diffstat (limited to 'plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructLocalVariableTableAttribute.java')
-rw-r--r-- | plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructLocalVariableTableAttribute.java | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructLocalVariableTableAttribute.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructLocalVariableTableAttribute.java new file mode 100644 index 000000000000..60e40c013db6 --- /dev/null +++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructLocalVariableTableAttribute.java @@ -0,0 +1,67 @@ +/* + * Copyright 2000-2014 JetBrains s.r.o. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.jetbrains.java.decompiler.struct.attr; + +import org.jetbrains.java.decompiler.struct.consts.ConstantPool; +import org.jetbrains.java.decompiler.util.DataInputFullStream; + +import java.io.IOException; +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +/* + u2 local_variable_table_length; + local_variable { + u2 start_pc; + u2 length; + u2 name_index; + u2 descriptor_index; + u2 index; + } +*/ +public class StructLocalVariableTableAttribute extends StructGeneralAttribute { + + private Map<Integer, String> mapVarNames = new HashMap<Integer, String>(); + + @Override + public void initContent(ConstantPool pool) throws IOException { + DataInputFullStream data = stream(); + + int len = data.readUnsignedShort(); + if (len > 0) { + mapVarNames = new HashMap<Integer, String>(len); + for (int i = 0; i < len; i++) { + data.discard(4); + int nameIndex = data.readUnsignedShort(); + data.discard(2); + int varIndex = data.readUnsignedShort(); + mapVarNames.put(varIndex, pool.getPrimitiveConstant(nameIndex).getString()); + } + } + else { + mapVarNames = Collections.emptyMap(); + } + } + + public void addLocalVariableTable(StructLocalVariableTableAttribute attr) { + mapVarNames.putAll(attr.getMapVarNames()); + } + + public Map<Integer, String> getMapVarNames() { + return mapVarNames; + } +} |