Mercurial > jdk8-mips64-public > langtools / file revision
src/share/classes/com/sun/tools/classfile/ClassWriter.java@9a7c998bf2fc
src/share/classes/com/sun/tools/classfile/ClassWriter.java
Wed, 02 Jun 2010 19:08:47 -0700
- author
- darcy
- date
- Wed, 02 Jun 2010 19:08:47 -0700
- changeset 575
- 9a7c998bf2fc
- parent 554
- 9d9f26857129
- child 581
- f2fdd52e4e87
- permissions
- -rw-r--r--
6933147: Provided new utility visitors supporting SourceVersion.RELEASE_7
Reviewed-by: jjg
2 /*
3 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation. Oracle designates this
9 * particular file as subject to the "Classpath" exception as provided
10 * by Oracle in the LICENSE file that accompanied this code.
11 *
12 * This code is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 * version 2 for more details (a copy is included in the LICENSE file that
16 * accompanied this code).
17 *
18 * You should have received a copy of the GNU General Public License version
19 * 2 along with this work; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
23 * or visit www.oracle.com if you need additional information or have any
24 * questions.
25 */
27 package com.sun.tools.classfile;
29 import java.io.ByteArrayOutputStream;
30 import java.io.DataOutputStream;
31 import java.io.File;
32 import java.io.FileOutputStream;
33 import java.io.IOException;
34 import java.io.OutputStream;
36 import static com.sun.tools.classfile.Annotation.*;
37 import static com.sun.tools.classfile.ConstantPool.*;
38 import static com.sun.tools.classfile.StackMapTable_attribute.*;
39 import static com.sun.tools.classfile.StackMapTable_attribute.verification_type_info.*;
41 /**
42 * Write a ClassFile data structure to a file or stream.
43 *
44 * <p><b>This is NOT part of any API supported by Sun Microsystems. If
45 * you write code that depends on this, you do so at your own risk.
46 * This code and its internal interfaces are subject to change or
47 * deletion without notice.</b>
48 */
49 public class ClassWriter {
50 public ClassWriter() {
51 attributeWriter = new AttributeWriter();
52 constantPoolWriter = new ConstantPoolWriter();
53 out = new ClassOutputStream();
54 }
56 /**
57 * Write a ClassFile data structure to a file.
58 */
59 public void write(ClassFile classFile, File f) throws IOException {
60 FileOutputStream f_out = new FileOutputStream(f);
61 try {
62 write(classFile, f_out);
63 } finally {
64 f_out.close();
65 }
66 }
68 /**
69 * Write a ClassFile data structure to a stream.
70 */
71 public void write(ClassFile classFile, OutputStream s) throws IOException {
72 this.classFile = classFile;
73 out.reset();
74 write();
75 out.writeTo(s);
76 }
78 protected void write() throws IOException {
79 writeHeader();
80 writeConstantPool();
81 writeAccessFlags(classFile.access_flags);
82 writeClassInfo();
83 writeFields();
84 writeMethods();
85 writeAttributes(classFile.attributes);
86 }
88 protected void writeHeader() {
89 out.writeInt(classFile.magic);
90 out.writeShort(classFile.minor_version);
91 out.writeShort(classFile.major_version);
92 }
94 protected void writeAccessFlags(AccessFlags flags) {
95 out.writeShort(flags.flags);
96 }
98 protected void writeAttributes(Attributes attributes) {
99 int size = attributes.size();
100 out.writeShort(size);
101 for (Attribute attr: attributes)
102 attributeWriter.write(attr, out);
103 }
105 protected void writeClassInfo() {
106 out.writeShort(classFile.this_class);
107 out.writeShort(classFile.super_class);
108 int[] interfaces = classFile.interfaces;
109 out.writeShort(interfaces.length);
110 for (int i: interfaces)
111 out.writeShort(i);
112 }
114 protected void writeDescriptor(Descriptor d) {
115 out.writeShort(d.index);
116 }
118 protected void writeConstantPool() {
119 ConstantPool pool = classFile.constant_pool;
120 int size = pool.size();
121 out.writeShort(size);
122 for (CPInfo cpInfo: pool.entries())
123 constantPoolWriter.write(cpInfo, out);
124 }
126 protected void writeFields() throws IOException {
127 Field[] fields = classFile.fields;
128 out.writeShort(fields.length);
129 for (Field f: fields)
130 writeField(f);
131 }
133 protected void writeField(Field f) throws IOException {
134 writeAccessFlags(f.access_flags);
135 out.writeShort(f.name_index);
136 writeDescriptor(f.descriptor);
137 writeAttributes(f.attributes);
138 }
140 protected void writeMethods() throws IOException {
141 Method[] methods = classFile.methods;
142 out.writeShort(methods.length);
143 for (Method m: methods) {
144 writeMethod(m);
145 }
146 }
148 protected void writeMethod(Method m) throws IOException {
149 writeAccessFlags(m.access_flags);
150 out.writeShort(m.name_index);
151 writeDescriptor(m.descriptor);
152 writeAttributes(m.attributes);
153 }
155 protected ClassFile classFile;
156 protected ClassOutputStream out;
157 protected AttributeWriter attributeWriter;
158 protected ConstantPoolWriter constantPoolWriter;
160 /**
161 * Subtype of ByteArrayOutputStream with the convenience methods of
162 * a DataOutputStream. Since ByteArrayOutputStream does not throw
163 * IOException, there are no exceptions from the additional
164 * convenience methods either,
165 */
166 protected static class ClassOutputStream extends ByteArrayOutputStream {
167 public ClassOutputStream() {
168 d = new DataOutputStream(this);
169 }
171 public void writeByte(int value) {
172 try {
173 d.writeByte(value);
174 } catch (IOException ignore) {
175 }
176 }
178 public void writeShort(int value) {
179 try {
180 d.writeShort(value);
181 } catch (IOException ignore) {
182 }
183 }
185 public void writeInt(int value) {
186 try {
187 d.writeInt(value);
188 } catch (IOException ignore) {
189 }
190 }
192 public void writeLong(long value) {
193 try {
194 d.writeLong(value);
195 } catch (IOException ignore) {
196 }
197 }
199 public void writeFloat(float value) {
200 try {
201 d.writeFloat(value);
202 } catch (IOException ignore) {
203 }
204 }
206 public void writeDouble(double value) {
207 try {
208 d.writeDouble(value);
209 } catch (IOException ignore) {
210 }
211 }
213 public void writeUTF(String value) {
214 try {
215 d.writeUTF(value);
216 } catch (IOException ignore) {
217 }
218 }
220 public void writeTo(ClassOutputStream s) {
221 try {
222 super.writeTo(s);
223 } catch (IOException ignore) {
224 }
225 }
227 private DataOutputStream d;
228 }
230 /**
231 * Writer for the entries in the constant pool.
232 */
233 protected static class ConstantPoolWriter
234 implements ConstantPool.Visitor<Integer,ClassOutputStream> {
235 protected int write(CPInfo info, ClassOutputStream out) {
236 out.writeByte(info.getTag());
237 return info.accept(this, out);
238 }
240 public Integer visitClass(CONSTANT_Class_info info, ClassOutputStream out) {
241 out.writeShort(info.name_index);
242 return 1;
243 }
245 public Integer visitDouble(CONSTANT_Double_info info, ClassOutputStream out) {
246 out.writeDouble(info.value);
247 return 2;
248 }
250 public Integer visitFieldref(CONSTANT_Fieldref_info info, ClassOutputStream out) {
251 writeRef(info, out);
252 return 1;
253 }
255 public Integer visitFloat(CONSTANT_Float_info info, ClassOutputStream out) {
256 out.writeFloat(info.value);
257 return 1;
258 }
260 public Integer visitInteger(CONSTANT_Integer_info info, ClassOutputStream out) {
261 out.writeInt(info.value);
262 return 1;
263 }
265 public Integer visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, ClassOutputStream out) {
266 writeRef(info, out);
267 return 1;
268 }
270 public Integer visitLong(CONSTANT_Long_info info, ClassOutputStream out) {
271 out.writeLong(info.value);
272 return 2;
273 }
275 public Integer visitNameAndType(CONSTANT_NameAndType_info info, ClassOutputStream out) {
276 out.writeShort(info.name_index);
277 out.writeShort(info.type_index);
278 return 1;
279 }
281 public Integer visitMethodref(CONSTANT_Methodref_info info, ClassOutputStream out) {
282 return writeRef(info, out);
283 }
285 public Integer visitString(CONSTANT_String_info info, ClassOutputStream out) {
286 out.writeShort(info.string_index);
287 return 1;
288 }
290 public Integer visitUtf8(CONSTANT_Utf8_info info, ClassOutputStream out) {
291 out.writeUTF(info.value);
292 return 1;
293 }
295 protected Integer writeRef(CPRefInfo info, ClassOutputStream out) {
296 out.writeShort(info.class_index);
297 out.writeShort(info.name_and_type_index);
298 return 1;
299 }
300 }
302 /**
303 * Writer for the different types of attribute.
304 */
305 protected static class AttributeWriter implements Attribute.Visitor<Void,ClassOutputStream> {
306 public void write(Attributes attributes, ClassOutputStream out) {
307 int size = attributes.size();
308 out.writeShort(size);
309 for (Attribute a: attributes)
310 write(a, out);
311 }
313 // Note: due to the use of shared resources, this method is not reentrant.
314 public void write(Attribute attr, ClassOutputStream out) {
315 out.writeShort(attr.attribute_name_index);
316 sharedOut.reset();
317 attr.accept(this, sharedOut);
318 out.writeInt(sharedOut.size());
319 sharedOut.writeTo(out);
320 }
322 protected ClassOutputStream sharedOut = new ClassOutputStream();
323 protected AnnotationWriter annotationWriter = new AnnotationWriter();
325 public Void visitDefault(DefaultAttribute attr, ClassOutputStream out) {
326 out.write(attr.info, 0, attr.info.length);
327 return null;
328 }
330 public Void visitAnnotationDefault(AnnotationDefault_attribute attr, ClassOutputStream out) {
331 annotationWriter.write(attr.default_value, out);
332 return null;
333 }
335 public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, ClassOutputStream out) {
336 out.writeShort(attr.character_range_table.length);
337 for (CharacterRangeTable_attribute.Entry e: attr.character_range_table)
338 writeCharacterRangeTableEntry(e, out);
339 return null;
340 }
342 protected void writeCharacterRangeTableEntry(CharacterRangeTable_attribute.Entry entry, ClassOutputStream out) {
343 out.writeShort(entry.start_pc);
344 out.writeShort(entry.end_pc);
345 out.writeInt(entry.character_range_start);
346 out.writeInt(entry.character_range_end);
347 out.writeShort(entry.flags);
348 }
350 public Void visitCode(Code_attribute attr, ClassOutputStream out) {
351 out.writeShort(attr.max_stack);
352 out.writeShort(attr.max_locals);
353 out.writeInt(attr.code.length);
354 out.write(attr.code, 0, attr.code.length);
355 out.writeShort(attr.exception_table.length);
356 for (Code_attribute.Exception_data e: attr.exception_table)
357 writeExceptionTableEntry(e, out);
358 new AttributeWriter().write(attr.attributes, out);
359 return null;
360 }
362 protected void writeExceptionTableEntry(Code_attribute.Exception_data exception_data, ClassOutputStream out) {
363 out.writeShort(exception_data.start_pc);
364 out.writeShort(exception_data.end_pc);
365 out.writeShort(exception_data.handler_pc);
366 out.writeShort(exception_data.catch_type);
367 }
369 public Void visitCompilationID(CompilationID_attribute attr, ClassOutputStream out) {
370 out.writeShort(attr.compilationID_index);
371 return null;
372 }
374 public Void visitConstantValue(ConstantValue_attribute attr, ClassOutputStream out) {
375 out.writeShort(attr.constantvalue_index);
376 return null;
377 }
379 public Void visitDeprecated(Deprecated_attribute attr, ClassOutputStream out) {
380 return null;
381 }
383 public Void visitEnclosingMethod(EnclosingMethod_attribute attr, ClassOutputStream out) {
384 out.writeShort(attr.class_index);
385 out.writeShort(attr.method_index);
386 return null;
387 }
389 public Void visitExceptions(Exceptions_attribute attr, ClassOutputStream out) {
390 out.writeShort(attr.exception_index_table.length);
391 for (int i: attr.exception_index_table)
392 out.writeShort(i);
393 return null;
394 }
396 public Void visitInnerClasses(InnerClasses_attribute attr, ClassOutputStream out) {
397 out.writeShort(attr.classes.length);
398 for (InnerClasses_attribute.Info info: attr.classes)
399 writeInnerClassesInfo(info, out);
400 return null;
401 }
403 protected void writeInnerClassesInfo(InnerClasses_attribute.Info info, ClassOutputStream out) {
404 out.writeShort(info.inner_class_info_index);
405 out.writeShort(info.outer_class_info_index);
406 out.writeShort(info.inner_name_index);
407 writeAccessFlags(info.inner_class_access_flags, out);
408 }
410 public Void visitLineNumberTable(LineNumberTable_attribute attr, ClassOutputStream out) {
411 out.writeShort(attr.line_number_table.length);
412 for (LineNumberTable_attribute.Entry e: attr.line_number_table)
413 writeLineNumberTableEntry(e, out);
414 return null;
415 }
417 protected void writeLineNumberTableEntry(LineNumberTable_attribute.Entry entry, ClassOutputStream out) {
418 out.writeShort(entry.start_pc);
419 out.writeShort(entry.line_number);
420 }
422 public Void visitLocalVariableTable(LocalVariableTable_attribute attr, ClassOutputStream out) {
423 out.writeShort(attr.local_variable_table.length);
424 for (LocalVariableTable_attribute.Entry e: attr.local_variable_table)
425 writeLocalVariableTableEntry(e, out);
426 return null;
427 }
429 protected void writeLocalVariableTableEntry(LocalVariableTable_attribute.Entry entry, ClassOutputStream out) {
430 out.writeShort(entry.start_pc);
431 out.writeShort(entry.length);
432 out.writeShort(entry.name_index);
433 out.writeShort(entry.descriptor_index);
434 out.writeShort(entry.index);
435 }
437 public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, ClassOutputStream out) {
438 out.writeShort(attr.local_variable_table.length);
439 for (LocalVariableTypeTable_attribute.Entry e: attr.local_variable_table)
440 writeLocalVariableTypeTableEntry(e, out);
441 return null;
442 }
444 protected void writeLocalVariableTypeTableEntry(LocalVariableTypeTable_attribute.Entry entry, ClassOutputStream out) {
445 out.writeShort(entry.start_pc);
446 out.writeShort(entry.length);
447 out.writeShort(entry.name_index);
448 out.writeShort(entry.signature_index);
449 out.writeShort(entry.index);
450 }
452 public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, ClassOutputStream out) {
453 annotationWriter.write(attr.annotations, out);
454 return null;
455 }
457 public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, ClassOutputStream out) {
458 annotationWriter.write(attr.annotations, out);
459 return null;
460 }
462 public Void visitRuntimeVisibleTypeAnnotations(RuntimeVisibleTypeAnnotations_attribute attr, ClassOutputStream out) {
463 annotationWriter.write(attr.annotations, out);
464 return null;
465 }
467 public Void visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute attr, ClassOutputStream out) {
468 annotationWriter.write(attr.annotations, out);
469 return null;
470 }
472 public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, ClassOutputStream out) {
473 out.writeByte(attr.parameter_annotations.length);
474 for (Annotation[] annos: attr.parameter_annotations)
475 annotationWriter.write(annos, out);
476 return null;
477 }
479 public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, ClassOutputStream out) {
480 out.writeByte(attr.parameter_annotations.length);
481 for (Annotation[] annos: attr.parameter_annotations)
482 annotationWriter.write(annos, out);
483 return null;
484 }
486 public Void visitSignature(Signature_attribute attr, ClassOutputStream out) {
487 out.writeShort(attr.signature_index);
488 return null;
489 }
491 public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, ClassOutputStream out) {
492 out.write(attr.debug_extension, 0, attr.debug_extension.length);
493 return null;
494 }
496 public Void visitSourceFile(SourceFile_attribute attr, ClassOutputStream out) {
497 out.writeShort(attr.sourcefile_index);
498 return null;
499 }
501 public Void visitSourceID(SourceID_attribute attr, ClassOutputStream out) {
502 out.writeShort(attr.sourceID_index);
503 return null;
504 }
506 public Void visitStackMap(StackMap_attribute attr, ClassOutputStream out) {
507 if (stackMapWriter == null)
508 stackMapWriter = new StackMapTableWriter();
510 out.writeShort(attr.entries.length);
511 for (stack_map_frame f: attr.entries)
512 stackMapWriter.write(f, out);
513 return null;
514 }
516 public Void visitStackMapTable(StackMapTable_attribute attr, ClassOutputStream out) {
517 if (stackMapWriter == null)
518 stackMapWriter = new StackMapTableWriter();
520 out.writeShort(attr.entries.length);
521 for (stack_map_frame f: attr.entries)
522 stackMapWriter.write(f, out);
523 return null;
524 }
526 public Void visitSynthetic(Synthetic_attribute attr, ClassOutputStream out) {
527 return null;
528 }
530 protected void writeAccessFlags(AccessFlags flags, ClassOutputStream p) {
531 sharedOut.writeShort(flags.flags);
532 }
534 protected StackMapTableWriter stackMapWriter;
535 }
537 /**
538 * Writer for the frames of StackMap and StackMapTable attributes.
539 */
540 protected static class StackMapTableWriter
541 implements stack_map_frame.Visitor<Void,ClassOutputStream> {
543 public void write(stack_map_frame frame, ClassOutputStream out) {
544 out.write(frame.frame_type);
545 frame.accept(this, out);
546 }
548 public Void visit_same_frame(same_frame frame, ClassOutputStream p) {
549 return null;
550 }
552 public Void visit_same_locals_1_stack_item_frame(same_locals_1_stack_item_frame frame, ClassOutputStream out) {
553 writeVerificationTypeInfo(frame.stack[0], out);
554 return null;
555 }
557 public Void visit_same_locals_1_stack_item_frame_extended(same_locals_1_stack_item_frame_extended frame, ClassOutputStream out) {
558 out.writeShort(frame.offset_delta);
559 writeVerificationTypeInfo(frame.stack[0], out);
560 return null;
561 }
563 public Void visit_chop_frame(chop_frame frame, ClassOutputStream out) {
564 out.writeShort(frame.offset_delta);
565 return null;
566 }
568 public Void visit_same_frame_extended(same_frame_extended frame, ClassOutputStream out) {
569 out.writeShort(frame.offset_delta);
570 return null;
571 }
573 public Void visit_append_frame(append_frame frame, ClassOutputStream out) {
574 out.writeShort(frame.offset_delta);
575 for (verification_type_info l: frame.locals)
576 writeVerificationTypeInfo(l, out);
577 return null;
578 }
580 public Void visit_full_frame(full_frame frame, ClassOutputStream out) {
581 out.writeShort(frame.offset_delta);
582 out.writeShort(frame.locals.length);
583 for (verification_type_info l: frame.locals)
584 writeVerificationTypeInfo(l, out);
585 out.writeShort(frame.stack.length);
586 for (verification_type_info s: frame.stack)
587 writeVerificationTypeInfo(s, out);
588 return null;
589 }
591 protected void writeVerificationTypeInfo(verification_type_info info,
592 ClassOutputStream out) {
593 out.write(info.tag);
594 switch (info.tag) {
595 case ITEM_Top:
596 case ITEM_Integer:
597 case ITEM_Float:
598 case ITEM_Long:
599 case ITEM_Double:
600 case ITEM_Null:
601 case ITEM_UninitializedThis:
602 break;
604 case ITEM_Object:
605 Object_variable_info o = (Object_variable_info) info;
606 out.writeShort(o.cpool_index);
607 break;
609 case ITEM_Uninitialized:
610 Uninitialized_variable_info u = (Uninitialized_variable_info) info;
611 out.writeShort(u.offset);
612 break;
614 default:
615 throw new Error();
616 }
617 }
618 }
620 /**
621 * Writer for annotations and the values they contain.
622 */
623 protected static class AnnotationWriter
624 implements Annotation.element_value.Visitor<Void,ClassOutputStream> {
625 public void write(Annotation[] annos, ClassOutputStream out) {
626 out.writeShort(annos.length);
627 for (Annotation anno: annos)
628 write(anno, out);
629 }
631 public void write(ExtendedAnnotation[] annos, ClassOutputStream out) {
632 out.writeShort(annos.length);
633 for (ExtendedAnnotation anno: annos)
634 write(anno, out);
635 }
637 public void write(Annotation anno, ClassOutputStream out) {
638 out.writeShort(anno.type_index);
639 out.writeShort(anno.element_value_pairs.length);
640 for (element_value_pair p: anno.element_value_pairs)
641 write(p, out);
642 }
644 public void write(ExtendedAnnotation anno, ClassOutputStream out) {
645 write(anno.annotation, out);
646 write(anno.position, out);
647 }
649 public void write(element_value_pair pair, ClassOutputStream out) {
650 out.writeShort(pair.element_name_index);
651 write(pair.value, out);
652 }
654 public void write(element_value ev, ClassOutputStream out) {
655 out.writeByte(ev.tag);
656 ev.accept(this, out);
657 }
659 public Void visitPrimitive(Primitive_element_value ev, ClassOutputStream out) {
660 out.writeShort(ev.const_value_index);
661 return null;
662 }
664 public Void visitEnum(Enum_element_value ev, ClassOutputStream out) {
665 out.writeShort(ev.type_name_index);
666 out.writeShort(ev.const_name_index);
667 return null;
668 }
670 public Void visitClass(Class_element_value ev, ClassOutputStream out) {
671 out.writeShort(ev.class_info_index);
672 return null;
673 }
675 public Void visitAnnotation(Annotation_element_value ev, ClassOutputStream out) {
676 write(ev.annotation_value, out);
677 return null;
678 }
680 public Void visitArray(Array_element_value ev, ClassOutputStream out) {
681 out.writeShort(ev.num_values);
682 for (element_value v: ev.values)
683 write(v, out);
684 return null;
685 }
687 private void write(ExtendedAnnotation.Position p, ClassOutputStream out) {
688 out.writeByte(p.type.targetTypeValue());
689 switch (p.type) {
690 // type case
691 case TYPECAST:
692 case TYPECAST_GENERIC_OR_ARRAY:
693 // object creation
694 case INSTANCEOF:
695 case INSTANCEOF_GENERIC_OR_ARRAY:
696 // new expression
697 case NEW:
698 case NEW_GENERIC_OR_ARRAY:
699 case NEW_TYPE_ARGUMENT:
700 case NEW_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
701 out.writeShort(p.offset);
702 break;
703 // local variable
704 case LOCAL_VARIABLE:
705 case LOCAL_VARIABLE_GENERIC_OR_ARRAY:
706 int table_length = p.lvarOffset.length;
707 out.writeShort(table_length);
708 for (int i = 0; i < table_length; ++i) {
709 out.writeShort(1); // for table length
710 out.writeShort(p.lvarOffset[i]);
711 out.writeShort(p.lvarLength[i]);
712 out.writeShort(p.lvarIndex[i]);
713 }
714 break;
715 // method receiver
716 case METHOD_RECEIVER:
717 // Do nothing
718 break;
719 // type parameters
720 case CLASS_TYPE_PARAMETER:
721 case METHOD_TYPE_PARAMETER:
722 out.writeByte(p.parameter_index);
723 break;
724 // type parameters bounds
725 case CLASS_TYPE_PARAMETER_BOUND:
726 case CLASS_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
727 case METHOD_TYPE_PARAMETER_BOUND:
728 case METHOD_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
729 out.writeByte(p.parameter_index);
730 out.writeByte(p.bound_index);
731 break;
732 // wildcards
733 case WILDCARD_BOUND:
734 case WILDCARD_BOUND_GENERIC_OR_ARRAY:
735 write(p.wildcard_position, out);
736 break;
737 // Class extends and implements clauses
738 case CLASS_EXTENDS:
739 case CLASS_EXTENDS_GENERIC_OR_ARRAY:
740 out.writeByte(p.type_index);
741 break;
742 // throws
743 case THROWS:
744 out.writeByte(p.type_index);
745 break;
746 case CLASS_LITERAL:
747 case CLASS_LITERAL_GENERIC_OR_ARRAY:
748 out.writeShort(p.offset);
749 break;
750 // method parameter: not specified
751 case METHOD_PARAMETER_GENERIC_OR_ARRAY:
752 out.writeByte(p.parameter_index);
753 break;
754 // method type argument: wasn't specified
755 case METHOD_TYPE_ARGUMENT:
756 case METHOD_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
757 out.writeShort(p.offset);
758 out.writeByte(p.type_index);
759 break;
760 // We don't need to worry abut these
761 case METHOD_RETURN_GENERIC_OR_ARRAY:
762 case FIELD_GENERIC_OR_ARRAY:
763 break;
764 case UNKNOWN:
765 break;
766 default:
767 throw new AssertionError("unknown type: " + p);
768 }
770 // Append location data for generics/arrays.
771 if (p.type.hasLocation()) {
772 out.writeShort(p.location.size());
773 for (int i : p.location)
774 out.writeByte((byte)i);
775 }
776 }
777 }
778 }
