diff options
Diffstat (limited to 'plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationTypeAttribute.java')
| -rw-r--r-- | plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationTypeAttribute.java | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationTypeAttribute.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationTypeAttribute.java new file mode 100644 index 000000000000..59324e35654d --- /dev/null +++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationTypeAttribute.java @@ -0,0 +1,194 @@ +/* + * 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; + } +} |