| /* |
| * 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.modules.decompiler.exps.AnnotationExprent; |
| import org.jetbrains.java.decompiler.struct.consts.ConstantPool; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class StructAnnotationTypeAttribute extends StructGeneralAttribute { |
| |
| private static final int ANNOTATION_TARGET_TYPE_GENERIC_CLASS = 0x00; |
| private static final int ANNOTATION_TARGET_TYPE_GENERIC_METHOD = 0x01; |
| private static final int ANNOTATION_TARGET_TYPE_EXTENDS_IMPLEMENTS = 0x10; |
| private static final int ANNOTATION_TARGET_TYPE_GENERIC_CLASS_BOUND = 0x11; |
| private static final int ANNOTATION_TARGET_TYPE_GENERIC_METHOD_BOUND = 0x12; |
| private static final int ANNOTATION_TARGET_TYPE_FIELD = 0x13; |
| private static final int ANNOTATION_TARGET_TYPE_RETURN = 0x14; |
| private static final int ANNOTATION_TARGET_TYPE_RECEIVER = 0x15; |
| private static final int ANNOTATION_TARGET_TYPE_FORMAL = 0x16; |
| private static final int ANNOTATION_TARGET_TYPE_THROWS = 0x17; |
| private static final int ANNOTATION_TARGET_TYPE_LOCAL_VARIABLE = 0x40; |
| private static final int ANNOTATION_TARGET_TYPE_RESOURCE_VARIABLE = 0x41; |
| private static final int ANNOTATION_TARGET_TYPE_EXCEPTION = 0x42; |
| private static final int ANNOTATION_TARGET_TYPE_INSTANCEOF = 0x43; |
| private static final int ANNOTATION_TARGET_TYPE_NEW = 0x44; |
| private static final int ANNOTATION_TARGET_TYPE_DOUBLE_COLON_NEW = 0x45; |
| private static final int ANNOTATION_TARGET_TYPE_DOUBLE_COLON_ID = 0x46; |
| private static final int ANNOTATION_TARGET_TYPE_CAST = 0x47; |
| private static final int ANNOTATION_TARGET_TYPE_INVOCATION_CONSTRUCTOR = 0x48; |
| private static final int ANNOTATION_TARGET_TYPE_INVOCATION_METHOD = 0x49; |
| private static final int ANNOTATION_TARGET_TYPE_GENERIC_DOUBLE_COLON_NEW = 0x4A; |
| private static final int ANNOTATION_TARGET_TYPE_GENERIC_DOUBLE_COLON_ID = 0x4B; |
| |
| private static final int ANNOTATION_TARGET_UNION_TYPE_PARAMETER = 1; |
| private static final int ANNOTATION_TARGET_UNION_SUPERTYPE = 2; |
| private static final int ANNOTATION_TARGET_UNION_TYPE_PARAMETER_BOUND = 3; |
| private static final int ANNOTATION_TARGET_UNION_EMPTY = 4; |
| private static final int ANNOTATION_TARGET_UNION_FORMAL_PARAMETER = 5; |
| private static final int ANNOTATION_TARGET_UNION_THROWS = 6; |
| private static final int ANNOTATION_TARGET_UNION_LOCAL_VAR = 7; |
| private static final int ANNOTATION_TARGET_UNION_CATCH = 8; |
| private static final int ANNOTATION_TARGET_UNION_OFFSET = 9; |
| private static final int ANNOTATION_TARGET_UNION_TYPE_ARGUMENT = 10; |
| |
| @SuppressWarnings("FieldCanBeLocal") private List<AnnotationLocation> locations; |
| @SuppressWarnings("FieldCanBeLocal") private List<AnnotationExprent> annotations; |
| |
| @Override |
| public void initContent(ConstantPool pool) throws IOException { |
| DataInputStream data = stream(); |
| |
| int len = data.readUnsignedByte(); |
| if (len > 0) { |
| locations = new ArrayList<AnnotationLocation>(len); |
| annotations = new ArrayList<AnnotationExprent>(len); |
| for (int i = 0; i < len; i++) { |
| locations.add(parseAnnotationLocation(data)); |
| annotations.add(StructAnnotationAttribute.parseAnnotation(data, pool)); |
| } |
| } |
| else { |
| locations = Collections.emptyList(); |
| annotations = Collections.emptyList(); |
| } |
| } |
| |
| private static AnnotationLocation parseAnnotationLocation(DataInputStream data) throws IOException { |
| AnnotationLocation ann_location = new AnnotationLocation(); |
| |
| // target type |
| ann_location.target_type = data.readUnsignedByte(); |
| |
| // target union |
| switch (ann_location.target_type) { |
| case ANNOTATION_TARGET_TYPE_GENERIC_CLASS: |
| case ANNOTATION_TARGET_TYPE_GENERIC_METHOD: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_TYPE_PARAMETER; |
| break; |
| case ANNOTATION_TARGET_TYPE_EXTENDS_IMPLEMENTS: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_SUPERTYPE; |
| break; |
| case ANNOTATION_TARGET_TYPE_GENERIC_CLASS_BOUND: |
| case ANNOTATION_TARGET_TYPE_GENERIC_METHOD_BOUND: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_TYPE_PARAMETER_BOUND; |
| break; |
| case ANNOTATION_TARGET_TYPE_FIELD: |
| case ANNOTATION_TARGET_TYPE_RETURN: |
| case ANNOTATION_TARGET_TYPE_RECEIVER: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_EMPTY; |
| break; |
| case ANNOTATION_TARGET_TYPE_FORMAL: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_FORMAL_PARAMETER; |
| break; |
| case ANNOTATION_TARGET_TYPE_THROWS: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_THROWS; |
| break; |
| case ANNOTATION_TARGET_TYPE_LOCAL_VARIABLE: |
| case ANNOTATION_TARGET_TYPE_RESOURCE_VARIABLE: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_LOCAL_VAR; |
| break; |
| case ANNOTATION_TARGET_TYPE_EXCEPTION: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_CATCH; |
| break; |
| case ANNOTATION_TARGET_TYPE_INSTANCEOF: |
| case ANNOTATION_TARGET_TYPE_NEW: |
| case ANNOTATION_TARGET_TYPE_DOUBLE_COLON_NEW: |
| case ANNOTATION_TARGET_TYPE_DOUBLE_COLON_ID: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_OFFSET; |
| break; |
| case ANNOTATION_TARGET_TYPE_CAST: |
| case ANNOTATION_TARGET_TYPE_INVOCATION_CONSTRUCTOR: |
| case ANNOTATION_TARGET_TYPE_INVOCATION_METHOD: |
| case ANNOTATION_TARGET_TYPE_GENERIC_DOUBLE_COLON_NEW: |
| case ANNOTATION_TARGET_TYPE_GENERIC_DOUBLE_COLON_ID: |
| ann_location.target_union = ANNOTATION_TARGET_UNION_TYPE_ARGUMENT; |
| break; |
| default: |
| throw new RuntimeException("Unknown target type in a type annotation!"); |
| } |
| |
| // target union data |
| |
| switch (ann_location.target_union) { |
| case ANNOTATION_TARGET_UNION_TYPE_PARAMETER: |
| case ANNOTATION_TARGET_UNION_FORMAL_PARAMETER: |
| ann_location.data = new int[]{data.readUnsignedByte()}; |
| break; |
| case ANNOTATION_TARGET_UNION_SUPERTYPE: |
| case ANNOTATION_TARGET_UNION_THROWS: |
| case ANNOTATION_TARGET_UNION_CATCH: |
| case ANNOTATION_TARGET_UNION_OFFSET: |
| ann_location.data = new int[]{data.readUnsignedShort()}; |
| break; |
| case ANNOTATION_TARGET_UNION_TYPE_PARAMETER_BOUND: |
| ann_location.data = new int[]{data.readUnsignedByte(), data.readUnsignedByte()}; |
| break; |
| case ANNOTATION_TARGET_UNION_EMPTY: |
| break; |
| case ANNOTATION_TARGET_UNION_LOCAL_VAR: |
| int table_length = data.readUnsignedShort(); |
| |
| ann_location.data = new int[table_length * 3 + 1]; |
| ann_location.data[0] = table_length; |
| |
| for (int i = 0; i < table_length; ++i) { |
| ann_location.data[3 * i + 1] = data.readUnsignedShort(); |
| ann_location.data[3 * i + 2] = data.readUnsignedShort(); |
| ann_location.data[3 * i + 3] = data.readUnsignedShort(); |
| } |
| break; |
| case ANNOTATION_TARGET_UNION_TYPE_ARGUMENT: |
| ann_location.data = new int[]{data.readUnsignedShort(), data.readUnsignedByte()}; |
| } |
| |
| // target path |
| int path_length = data.readUnsignedByte(); |
| |
| ann_location.target_path_kind = new int[path_length]; |
| ann_location.target_argument_index = new int[path_length]; |
| |
| for (int i = 0; i < path_length; ++i) { |
| ann_location.target_path_kind[i] = data.readUnsignedByte(); |
| ann_location.target_argument_index[i] = data.readUnsignedByte(); |
| } |
| |
| return ann_location; |
| } |
| |
| private static class AnnotationLocation { |
| public int target_type; |
| public int target_union; |
| public int[] data; |
| public int[] target_path_kind; |
| public int[] target_argument_index; |
| } |
| } |