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188 lines
7.1 KiB
188 lines
7.1 KiB
package org.jetbrains.java.decompiler.struct.attr;
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import java.io.ByteArrayInputStream;
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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.List;
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import org.jetbrains.java.decompiler.modules.decompiler.exps.AnnotationExprent;
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import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
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public class StructAnnotationTypeAttribute extends StructGeneralAttribute {
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public static final int ANNOTATION_TARGET_TYPE_GENERIC_CLASS = 0x00;
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public static final int ANNOTATION_TARGET_TYPE_GENERIC_METHOD = 0x01;
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public static final int ANNOTATION_TARGET_TYPE_EXTENDS_IMPLEMENTS = 0x10;
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public static final int ANNOTATION_TARGET_TYPE_GENERIC_CLASS_BOUND = 0x11;
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public static final int ANNOTATION_TARGET_TYPE_GENERIC_METHOD_BOUND = 0x12;
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public static final int ANNOTATION_TARGET_TYPE_FIELD = 0x13;
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public static final int ANNOTATION_TARGET_TYPE_RETURN = 0x14;
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public static final int ANNOTATION_TARGET_TYPE_RECEIVER = 0x15;
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public static final int ANNOTATION_TARGET_TYPE_FORMAL = 0x16;
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public static final int ANNOTATION_TARGET_TYPE_THROWS = 0x17;
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public static final int ANNOTATION_TARGET_TYPE_LOCAL_VARIABLE = 0x40;
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public static final int ANNOTATION_TARGET_TYPE_RESOURCE_VARIABLE = 0x41;
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public static final int ANNOTATION_TARGET_TYPE_EXCEPTION = 0x42;
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public static final int ANNOTATION_TARGET_TYPE_INSTANCEOF = 0x43;
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public static final int ANNOTATION_TARGET_TYPE_NEW = 0x44;
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public static final int ANNOTATION_TARGET_TYPE_DOUBLECOLON_NEW = 0x45;
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public static final int ANNOTATION_TARGET_TYPE_DOUBLECOLON_ID = 0x46;
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public static final int ANNOTATION_TARGET_TYPE_CAST = 0x47;
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public static final int ANNOTATION_TARGET_TYPE_INVOKATION_CONSTRUCTOR = 0x48;
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public static final int ANNOTATION_TARGET_TYPE_INVOKATION_METHOD = 0x49;
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public static final int ANNOTATION_TARGET_TYPE_GENERIC_DOUBLECOLON_NEW = 0x4A;
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public static final int ANNOTATION_TARGET_TYPE_GENERIC_DOUBLECOLON_ID = 0x4B;
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public static final int ANNOTATION_TARGET_UNION_TYPE_PARAMETER = 1;
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public static final int ANNOTATION_TARGET_UNION_SUPERTYPE = 2;
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public static final int ANNOTATION_TARGET_UNION_TYPE_PARAMETER_BOUND = 3;
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public static final int ANNOTATION_TARGET_UNION_EMPTY = 4;
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public static final int ANNOTATION_TARGET_UNION_FORMAL_PARAMETER = 5;
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public static final int ANNOTATION_TARGET_UNION_THROWS = 6;
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public static final int ANNOTATION_TARGET_UNION_LOCALVAR = 7;
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public static final int ANNOTATION_TARGET_UNION_CATCH = 8;
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public static final int ANNOTATION_TARGET_UNION_OFFSET = 9;
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public static final int ANNOTATION_TARGET_UNION_TYPE_ARGUMENT = 10;
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List<AnnotationLocation> locations = new ArrayList<AnnotationLocation>();
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List<AnnotationExprent> annotations = new ArrayList<AnnotationExprent>();
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public void initContent(ConstantPool pool) {
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super.initContent(pool);
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DataInputStream data = new DataInputStream(new ByteArrayInputStream(info));
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try {
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int ann_number = data.readUnsignedByte();
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for(int i = 0; i < ann_number; i++) {
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locations.add(parseAnnotationLocation(data));
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annotations.add(StructAnnotationAttribute.parseAnnotation(data, pool));
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}
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} catch(IOException ex) {
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throw new RuntimeException(ex);
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}
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}
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public AnnotationLocation parseAnnotationLocation(DataInputStream data) throws IOException {
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AnnotationLocation ann_location = new AnnotationLocation();
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// target type
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ann_location.target_type = data.readUnsignedByte();
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// target union
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switch(ann_location.target_type) {
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case ANNOTATION_TARGET_TYPE_GENERIC_CLASS:
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case ANNOTATION_TARGET_TYPE_GENERIC_METHOD:
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ann_location.target_union = ANNOTATION_TARGET_UNION_TYPE_PARAMETER;
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break;
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case ANNOTATION_TARGET_TYPE_EXTENDS_IMPLEMENTS:
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ann_location.target_union = ANNOTATION_TARGET_UNION_SUPERTYPE;
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break;
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case ANNOTATION_TARGET_TYPE_GENERIC_CLASS_BOUND:
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case ANNOTATION_TARGET_TYPE_GENERIC_METHOD_BOUND:
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ann_location.target_union = ANNOTATION_TARGET_UNION_TYPE_PARAMETER_BOUND;
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break;
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case ANNOTATION_TARGET_TYPE_FIELD:
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case ANNOTATION_TARGET_TYPE_RETURN:
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case ANNOTATION_TARGET_TYPE_RECEIVER:
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ann_location.target_union = ANNOTATION_TARGET_UNION_EMPTY;
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break;
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case ANNOTATION_TARGET_TYPE_FORMAL:
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ann_location.target_union = ANNOTATION_TARGET_UNION_FORMAL_PARAMETER;
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break;
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case ANNOTATION_TARGET_TYPE_THROWS:
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ann_location.target_union = ANNOTATION_TARGET_UNION_THROWS;
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break;
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case ANNOTATION_TARGET_TYPE_LOCAL_VARIABLE:
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case ANNOTATION_TARGET_TYPE_RESOURCE_VARIABLE:
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ann_location.target_union = ANNOTATION_TARGET_UNION_LOCALVAR;
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break;
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case ANNOTATION_TARGET_TYPE_EXCEPTION:
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ann_location.target_union = ANNOTATION_TARGET_UNION_CATCH;
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break;
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case ANNOTATION_TARGET_TYPE_INSTANCEOF:
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case ANNOTATION_TARGET_TYPE_NEW:
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case ANNOTATION_TARGET_TYPE_DOUBLECOLON_NEW:
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case ANNOTATION_TARGET_TYPE_DOUBLECOLON_ID:
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ann_location.target_union = ANNOTATION_TARGET_UNION_OFFSET;
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break;
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case ANNOTATION_TARGET_TYPE_CAST:
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case ANNOTATION_TARGET_TYPE_INVOKATION_CONSTRUCTOR:
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case ANNOTATION_TARGET_TYPE_INVOKATION_METHOD:
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case ANNOTATION_TARGET_TYPE_GENERIC_DOUBLECOLON_NEW:
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case ANNOTATION_TARGET_TYPE_GENERIC_DOUBLECOLON_ID:
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ann_location.target_union = ANNOTATION_TARGET_UNION_TYPE_ARGUMENT;
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break;
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default:
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throw new RuntimeException("Unknown target type in a type annotation!");
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}
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// target union data
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switch(ann_location.target_union) {
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case ANNOTATION_TARGET_UNION_TYPE_PARAMETER:
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case ANNOTATION_TARGET_UNION_FORMAL_PARAMETER:
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ann_location.data = new int[] {data.readUnsignedByte()};
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break;
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case ANNOTATION_TARGET_UNION_SUPERTYPE:
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case ANNOTATION_TARGET_UNION_THROWS:
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case ANNOTATION_TARGET_UNION_CATCH:
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case ANNOTATION_TARGET_UNION_OFFSET:
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ann_location.data = new int[] {data.readUnsignedShort()};
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break;
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case ANNOTATION_TARGET_UNION_TYPE_PARAMETER_BOUND:
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ann_location.data = new int[] {data.readUnsignedByte(), data.readUnsignedByte()};
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break;
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case ANNOTATION_TARGET_UNION_EMPTY:
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break;
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case ANNOTATION_TARGET_UNION_LOCALVAR:
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int table_length = data.readUnsignedShort();
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ann_location.data = new int[table_length * 3 + 1];
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ann_location.data[0] = table_length;
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for(int i = 0; i < table_length; ++i) {
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ann_location.data[3 * i + 1] = data.readUnsignedShort();
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ann_location.data[3 * i + 2] = data.readUnsignedShort();
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ann_location.data[3 * i + 3] = data.readUnsignedShort();
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}
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break;
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case ANNOTATION_TARGET_UNION_TYPE_ARGUMENT:
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ann_location.data = new int[] {data.readUnsignedShort(), data.readUnsignedByte()};
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}
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// target path
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int path_length = data.readUnsignedByte();
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ann_location.target_path_kind = new int[path_length];
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ann_location.target_argument_index = new int[path_length];
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for(int i = 0; i < path_length; ++i) {
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ann_location.target_path_kind[i] = data.readUnsignedByte();
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ann_location.target_argument_index[i] = data.readUnsignedByte();
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}
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return ann_location;
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}
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private static class AnnotationLocation {
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public int target_type;
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public int target_union;
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public int[] data;
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public int[] target_path_kind;
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public int[] target_argument_index;
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}
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}
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