mirror of
https://github.com/moparisthebest/fernflower
synced 2024-11-30 04:52:22 -05:00
Annotation parsing (Java 8)
This commit is contained in:
Stiver
parent
4f879b36b4
commit
c9c426ded7
@ -135,6 +135,19 @@ public interface CodeConstants {
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public final static int CONSTANT_MethodType = 16;
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public final static int CONSTANT_InvokeDynamic = 18;
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// ----------------------------------------------------------------------
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// MethodHandle reference_kind values
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// ----------------------------------------------------------------------
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public final static int CONSTANT_MethodHandle_REF_getField = 1;
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public final static int CONSTANT_MethodHandle_REF_getStatic = 2;
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public final static int CONSTANT_MethodHandle_REF_putField = 3;
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public final static int CONSTANT_MethodHandle_REF_putStatic = 4;
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public final static int CONSTANT_MethodHandle_REF_invokeVirtual = 5;
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public final static int CONSTANT_MethodHandle_REF_invokeStatic = 6;
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public final static int CONSTANT_MethodHandle_REF_invokeSpecial = 7;
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public final static int CONSTANT_MethodHandle_REF_newInvokeSpecial = 8;
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public final static int CONSTANT_MethodHandle_REF_invokeInterface = 9;
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// ----------------------------------------------------------------------
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// VM OPCODES
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188
src/de/fernflower/struct/attr/StructAnnotationTypeAttribute.java
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188
src/de/fernflower/struct/attr/StructAnnotationTypeAttribute.java
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@ -0,0 +1,188 @@
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package de.fernflower.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 de.fernflower.modules.decompiler.exps.AnnotationExprent;
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import de.fernflower.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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@ -0,0 +1,50 @@
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package de.fernflower.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 de.fernflower.struct.consts.ConstantPool;
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import de.fernflower.struct.consts.LinkConstant;
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import de.fernflower.struct.consts.PooledConstant;
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public class StructBootstrapMethodsAttribute extends StructGeneralAttribute {
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private List<LinkConstant> method_refs = new ArrayList<LinkConstant>();
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private List<List<PooledConstant>> method_arguments = new ArrayList<List<PooledConstant>>();
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public void initContent(ConstantPool pool) {
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name = ATTRIBUTE_BOOTSTRAP_METHODS;
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try {
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DataInputStream data = new DataInputStream(new ByteArrayInputStream(info, 0, info.length));
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int method_number = data.readUnsignedShort();
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for(int i = 0; i < method_number; ++i) {
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int bootstrap_method_ref = data.readUnsignedShort();
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int num_bootstrap_arguments = data.readUnsignedShort();
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List<PooledConstant> list_arguments = new ArrayList<PooledConstant>();
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for(int j = 0; j < num_bootstrap_arguments; ++j) {
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int bootstrap_argument_ref = data.readUnsignedShort();
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list_arguments.add(pool.getConstant(bootstrap_argument_ref));
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}
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method_refs.add(pool.getLinkConstant(bootstrap_method_ref));
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method_arguments.add(list_arguments);
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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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}
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@ -39,8 +39,11 @@ public class StructGeneralAttribute {
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public static final String ATTRIBUTE_RUNTIME_INVISIBLE_ANNOTATIONS = "RuntimeInvisibleAnnotations";
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public static final String ATTRIBUTE_RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS = "RuntimeVisibleParameterAnnotations";
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public static final String ATTRIBUTE_RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS = "RuntimeInvisibleParameterAnnotations";
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public static final String ATTRIBUTE_RUNTIME_VISIBLE_TYPE_ANNOTATIONS = "RuntimeVisibleTypeAnnotations";
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public static final String ATTRIBUTE_RUNTIME_INVISIBLE_TYPE_ANNOTATIONS = "RuntimeInvisibleTypeAnnotations";
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public static final String ATTRIBUTE_LOCAL_VARIABLE_TABLE = "LocalVariableTable";
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public static final String ATTRIBUTE_CONSTANT_VALUE = "ConstantValue";
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public static final String ATTRIBUTE_BOOTSTRAP_METHODS = "BootstrapMethods";
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@ -92,8 +95,13 @@ public class StructGeneralAttribute {
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} else if(ATTRIBUTE_RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS.equals(attrname) ||
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ATTRIBUTE_RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS.equals(attrname)) {
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attr = new StructAnnotationParameterAttribute();
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} else if(ATTRIBUTE_RUNTIME_VISIBLE_TYPE_ANNOTATIONS.equals(attrname) ||
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ATTRIBUTE_RUNTIME_INVISIBLE_TYPE_ANNOTATIONS.equals(attrname)) {
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attr = new StructAnnotationTypeAttribute();
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} else if(ATTRIBUTE_LOCAL_VARIABLE_TABLE.equals(attrname)) {
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attr = new StructLocalVariableTableAttribute();
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} else if(ATTRIBUTE_BOOTSTRAP_METHODS.equals(attrname)) {
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attr = new StructBootstrapMethodsAttribute();
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} else {
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// unsupported attribute
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return null;
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@ -90,6 +90,7 @@ public class ConstantPool {
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case CodeConstants.CONSTANT_Methodref:
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case CodeConstants.CONSTANT_InterfaceMethodref:
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case CodeConstants.CONSTANT_NameAndType:
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case CodeConstants.CONSTANT_InvokeDynamic:
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pool.add(new LinkConstant(tag, in.readUnsignedShort(), in.readUnsignedShort()));
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if(tag == CodeConstants.CONSTANT_NameAndType) {
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pass[i] = 1;
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@ -101,9 +102,6 @@ public class ConstantPool {
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pool.add(new LinkConstant(tag, in.readUnsignedByte(), in.readUnsignedShort()));
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pass[i] = 3;
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break;
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case CodeConstants.CONSTANT_InvokeDynamic:
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pool.add(new LinkConstant(tag, in.readUnsignedShort(), in.readUnsignedShort()));
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pass[i] = 2;
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}
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}
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@ -151,6 +149,7 @@ public class ConstantPool {
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case CodeConstants.CONSTANT_Methodref:
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case CodeConstants.CONSTANT_InterfaceMethodref:
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case CodeConstants.CONSTANT_NameAndType:
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case CodeConstants.CONSTANT_InvokeDynamic:
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in.skip(4);
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break;
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case CodeConstants.CONSTANT_Long:
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@ -160,7 +159,11 @@ public class ConstantPool {
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break;
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case CodeConstants.CONSTANT_Class:
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case CodeConstants.CONSTANT_String:
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case CodeConstants.CONSTANT_MethodType:
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in.skip(2);
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break;
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case CodeConstants.CONSTANT_MethodHandle:
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in.skip(3);
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}
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}
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}
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@ -19,6 +19,7 @@ import java.io.IOException;
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/*
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* NameAndType, FieldRef, MethodRef, InterfaceMethodref
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* InvokeDynamic, MethodHandle
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*/
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public class LinkConstant extends PooledConstant {
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@ -39,7 +40,7 @@ public class LinkConstant extends PooledConstant {
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public boolean isVoid = false;;
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public boolean returnCategory2 = false;;
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public boolean returnCategory2 = false;
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// *****************************************************************************
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@ -71,8 +72,17 @@ public class LinkConstant extends PooledConstant {
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if(type == CONSTANT_NameAndType) {
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elementname = pool.getPrimitiveConstant(index1).getString();
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descriptor = pool.getPrimitiveConstant(index2).getString();
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} else if(type == CONSTANT_MethodHandle) {
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LinkConstant ref_info = pool.getLinkConstant(index2);
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classname = ref_info.classname;
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elementname = ref_info.elementname;
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descriptor = ref_info.descriptor;
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} else {
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if(type != CONSTANT_InvokeDynamic) {
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classname = pool.getPrimitiveConstant(index1).getString();
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}
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LinkConstant nametype = pool.getLinkConstant(index2);
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elementname = nametype.elementname;
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@ -84,7 +94,11 @@ public class LinkConstant extends PooledConstant {
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public void writeToStream(DataOutputStream out) throws IOException {
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out.writeByte(type);
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if(type == CONSTANT_MethodHandle) {
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out.writeByte(index1);
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} else {
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out.writeShort(index1);
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}
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out.writeShort(index2);
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}
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@ -117,7 +131,7 @@ public class LinkConstant extends PooledConstant {
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private void initConstant() {
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if(type == CONSTANT_Methodref || type == CONSTANT_InterfaceMethodref) {
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if(type == CONSTANT_Methodref || type == CONSTANT_InterfaceMethodref || type == CONSTANT_InvokeDynamic || type == CONSTANT_MethodHandle) {
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resolveDescriptor(descriptor);
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} else if(type == CONSTANT_Fieldref) {
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returnCategory2 = ("D".equals(descriptor) || "J".equals(descriptor));
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@ -17,6 +17,8 @@ package de.fernflower.struct.consts;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import de.fernflower.code.CodeConstants;
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/*
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* Integer, Long, Float, Double, String, Class, UTF8
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*/
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@ -75,7 +77,7 @@ public class PrimitiveConstant extends PooledConstant {
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public void resolveConstant(ConstantPool pool) {
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if(type == CONSTANT_Class || type == CONSTANT_String) {
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if(type == CONSTANT_Class || type == CONSTANT_String || type == CONSTANT_MethodType) {
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value = pool.getPrimitiveConstant(index).getString();
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initConstant();
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}
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@ -100,7 +102,7 @@ public class PrimitiveConstant extends PooledConstant {
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case CONSTANT_Utf8:
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out.writeUTF(getString());
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break;
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default: // CONSTANT_Class or CONSTANT_String
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default: // CONSTANT_Class, CONSTANT_String, CONSTANT_MethodType
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out.writeShort(index);
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}
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}
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