1 /*
2 * Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.javap;
27
28 import java.util.Formatter;
29
30 import com.sun.tools.classfile.AccessFlags;
31 import com.sun.tools.classfile.AnnotationDefault_attribute;
32 import com.sun.tools.classfile.Attribute;
33 import com.sun.tools.classfile.Attributes;
34 import com.sun.tools.classfile.BootstrapMethods_attribute;
35 import com.sun.tools.classfile.CharacterRangeTable_attribute;
36 import com.sun.tools.classfile.Code_attribute;
37 import com.sun.tools.classfile.CompilationID_attribute;
38 import com.sun.tools.classfile.ConstantPool;
39 import com.sun.tools.classfile.ConstantPoolException;
40 import com.sun.tools.classfile.ConstantValue_attribute;
41 import com.sun.tools.classfile.DefaultAttribute;
42 import com.sun.tools.classfile.Deprecated_attribute;
43 import com.sun.tools.classfile.EnclosingMethod_attribute;
44 import com.sun.tools.classfile.Exceptions_attribute;
45 import com.sun.tools.classfile.InnerClasses_attribute;
46 import com.sun.tools.classfile.LineNumberTable_attribute;
47 import com.sun.tools.classfile.LocalVariableTable_attribute;
48 import com.sun.tools.classfile.LocalVariableTypeTable_attribute;
49 import com.sun.tools.classfile.MethodParameters_attribute;
50 import com.sun.tools.classfile.RuntimeInvisibleAnnotations_attribute;
51 import com.sun.tools.classfile.RuntimeInvisibleParameterAnnotations_attribute;
52 import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute;
53 import com.sun.tools.classfile.RuntimeVisibleAnnotations_attribute;
54 import com.sun.tools.classfile.RuntimeVisibleParameterAnnotations_attribute;
55 import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute;
56 import com.sun.tools.classfile.Signature_attribute;
57 import com.sun.tools.classfile.SourceDebugExtension_attribute;
58 import com.sun.tools.classfile.SourceFile_attribute;
59 import com.sun.tools.classfile.SourceID_attribute;
60 import com.sun.tools.classfile.StackMapTable_attribute;
61 import com.sun.tools.classfile.StackMap_attribute;
62 import com.sun.tools.classfile.Synthetic_attribute;
63
64 import static com.sun.tools.classfile.AccessFlags.*;
65
66 import com.sun.tools.javac.util.Assert;
67 import com.sun.tools.javac.util.StringUtils;
68
69 /*
70 * A writer for writing Attributes as text.
71 *
72 * <p><b>This is NOT part of any supported API.
73 * If you write code that depends on this, you do so at your own risk.
74 * This code and its internal interfaces are subject to change or
75 * deletion without notice.</b>
76 */
77 public class AttributeWriter extends BasicWriter
78 implements Attribute.Visitor<Void,Void>
79 {
80 public static AttributeWriter instance(Context context) {
81 AttributeWriter instance = context.get(AttributeWriter.class);
82 if (instance == null)
83 instance = new AttributeWriter(context);
84 return instance;
85 }
86
87 protected AttributeWriter(Context context) {
88 super(context);
89 context.put(AttributeWriter.class, this);
90 annotationWriter = AnnotationWriter.instance(context);
91 codeWriter = CodeWriter.instance(context);
92 constantWriter = ConstantWriter.instance(context);
93 options = Options.instance(context);
94 }
95
96 public void write(Object owner, Attribute attr, ConstantPool constant_pool) {
97 if (attr != null) {
98 Assert.checkNonNull(constant_pool);
99 Assert.checkNonNull(owner);
100 this.constant_pool = constant_pool;
101 this.owner = owner;
102 attr.accept(this, null);
103 }
104 }
105
106 public void write(Object owner, Attributes attrs, ConstantPool constant_pool) {
107 if (attrs != null) {
108 Assert.checkNonNull(constant_pool);
109 Assert.checkNonNull(owner);
110 this.constant_pool = constant_pool;
111 this.owner = owner;
112 for (Attribute attr: attrs)
113 attr.accept(this, null);
114 }
115 }
116
117 public Void visitDefault(DefaultAttribute attr, Void ignore) {
118 if (attr.reason != null) {
119 report(attr.reason);
120 }
121 byte[] data = attr.info;
122 int i = 0;
123 int j = 0;
124 print(" ");
125 try {
126 print(attr.getName(constant_pool));
127 } catch (ConstantPoolException e) {
128 report(e);
129 print("attribute name = #" + attr.attribute_name_index);
130 }
131 print(": ");
132 println("length = 0x" + toHex(attr.info.length));
133
134 print(" ");
135
136 while (i < data.length) {
137 print(toHex(data[i], 2));
138
139 j++;
140 if (j == 16) {
141 println();
142 print(" ");
143 j = 0;
144 } else {
145 print(" ");
146 }
147 i++;
148 }
149 println();
150 return null;
151 }
152
153 public Void visitAnnotationDefault(AnnotationDefault_attribute attr, Void ignore) {
154 println("AnnotationDefault:");
155 indent(+1);
156 print("default_value: ");
157 annotationWriter.write(attr.default_value);
158 indent(-1);
159 return null;
160 }
161
162 public Void visitBootstrapMethods(BootstrapMethods_attribute attr, Void p) {
163 println(Attribute.BootstrapMethods + ":");
164 for (int i = 0; i < attr.bootstrap_method_specifiers.length ; i++) {
165 BootstrapMethods_attribute.BootstrapMethodSpecifier bsm = attr.bootstrap_method_specifiers[i];
166 indent(+1);
167 print(i + ": #" + bsm.bootstrap_method_ref + " ");
168 println(constantWriter.stringValue(bsm.bootstrap_method_ref));
169 indent(+1);
170 println("Method arguments:");
171 indent(+1);
172 for (int j = 0; j < bsm.bootstrap_arguments.length; j++) {
173 print("#" + bsm.bootstrap_arguments[j] + " ");
174 println(constantWriter.stringValue(bsm.bootstrap_arguments[j]));
175 }
176 indent(-3);
177 }
178 return null;
179 }
180
181 public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, Void ignore) {
182 println("CharacterRangeTable:");
183 indent(+1);
184 for (int i = 0; i < attr.character_range_table.length; i++) {
185 CharacterRangeTable_attribute.Entry e = attr.character_range_table[i];
186 print(String.format(" %2d, %2d, %6x, %6x, %4x",
187 e.start_pc, e.end_pc,
188 e.character_range_start, e.character_range_end,
189 e.flags));
190 tab();
191 print(String.format("// %2d, %2d, %4d:%02d, %4d:%02d",
192 e.start_pc, e.end_pc,
193 (e.character_range_start >> 10), (e.character_range_start & 0x3ff),
194 (e.character_range_end >> 10), (e.character_range_end & 0x3ff)));
195 if ((e.flags & CharacterRangeTable_attribute.CRT_STATEMENT) != 0)
196 print(", statement");
197 if ((e.flags & CharacterRangeTable_attribute.CRT_BLOCK) != 0)
198 print(", block");
199 if ((e.flags & CharacterRangeTable_attribute.CRT_ASSIGNMENT) != 0)
200 print(", assignment");
201 if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_CONTROLLER) != 0)
202 print(", flow-controller");
203 if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_TARGET) != 0)
204 print(", flow-target");
205 if ((e.flags & CharacterRangeTable_attribute.CRT_INVOKE) != 0)
206 print(", invoke");
207 if ((e.flags & CharacterRangeTable_attribute.CRT_CREATE) != 0)
208 print(", create");
209 if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_TRUE) != 0)
210 print(", branch-true");
211 if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_FALSE) != 0)
212 print(", branch-false");
213 println();
214 }
215 indent(-1);
216 return null;
217 }
218
219 public Void visitCode(Code_attribute attr, Void ignore) {
220 codeWriter.write(attr, constant_pool);
221 return null;
222 }
223
224 public Void visitCompilationID(CompilationID_attribute attr, Void ignore) {
225 constantWriter.write(attr.compilationID_index);
226 return null;
227 }
228
229 public Void visitConstantValue(ConstantValue_attribute attr, Void ignore) {
230 print("ConstantValue: ");
231 constantWriter.write(attr.constantvalue_index);
232 println();
233 return null;
234 }
235
236 public Void visitDeprecated(Deprecated_attribute attr, Void ignore) {
237 println("Deprecated: true");
238 return null;
239 }
240
241 public Void visitEnclosingMethod(EnclosingMethod_attribute attr, Void ignore) {
242 print("EnclosingMethod: #" + attr.class_index + ".#" + attr.method_index);
243 tab();
244 print("// " + getJavaClassName(attr));
245 if (attr.method_index != 0)
246 print("." + getMethodName(attr));
247 println();
248 return null;
249 }
250
251 private String getJavaClassName(EnclosingMethod_attribute a) {
252 try {
253 return getJavaName(a.getClassName(constant_pool));
254 } catch (ConstantPoolException e) {
255 return report(e);
256 }
257 }
258
259 private String getMethodName(EnclosingMethod_attribute a) {
260 try {
261 return a.getMethodName(constant_pool);
262 } catch (ConstantPoolException e) {
263 return report(e);
264 }
265 }
266
267 public Void visitExceptions(Exceptions_attribute attr, Void ignore) {
268 println("Exceptions:");
269 indent(+1);
270 print("throws ");
271 for (int i = 0; i < attr.number_of_exceptions; i++) {
272 if (i > 0)
273 print(", ");
274 print(getJavaException(attr, i));
275 }
276 println();
277 indent(-1);
278 return null;
279 }
280
281 private String getJavaException(Exceptions_attribute attr, int index) {
282 try {
283 return getJavaName(attr.getException(index, constant_pool));
284 } catch (ConstantPoolException e) {
285 return report(e);
286 }
287 }
288
289 public Void visitInnerClasses(InnerClasses_attribute attr, Void ignore) {
290 boolean first = true;
291 for (int i = 0 ; i < attr.classes.length; i++) {
292 InnerClasses_attribute.Info info = attr.classes[i];
293 //access
294 AccessFlags access_flags = info.inner_class_access_flags;
295 if (options.checkAccess(access_flags)) {
296 if (first) {
297 writeInnerClassHeader();
298 first = false;
299 }
300 for (String name: access_flags.getInnerClassModifiers())
301 print(name + " ");
302 if (info.inner_name_index != 0) {
303 print("#" + info.inner_name_index + "= ");
304 }
305 print("#" + info.inner_class_info_index);
306 if (info.outer_class_info_index != 0) {
307 print(" of #" + info.outer_class_info_index);
308 }
309 print(";");
310 tab();
311 print("// ");
312 if (info.inner_name_index != 0) {
313 print(getInnerName(constant_pool, info) + "=");
314 }
315 constantWriter.write(info.inner_class_info_index);
316 if (info.outer_class_info_index != 0) {
317 print(" of ");
318 constantWriter.write(info.outer_class_info_index);
319 }
320 println();
321 }
322 }
323 if (!first)
324 indent(-1);
325 return null;
326 }
327
328 String getInnerName(ConstantPool constant_pool, InnerClasses_attribute.Info info) {
329 try {
330 return info.getInnerName(constant_pool);
331 } catch (ConstantPoolException e) {
332 return report(e);
333 }
334 }
335
336 private void writeInnerClassHeader() {
337 println("InnerClasses:");
338 indent(+1);
339 }
340
341 public Void visitLineNumberTable(LineNumberTable_attribute attr, Void ignore) {
342 println("LineNumberTable:");
343 indent(+1);
344 for (LineNumberTable_attribute.Entry entry: attr.line_number_table) {
345 println("line " + entry.line_number + ": " + entry.start_pc);
346 }
347 indent(-1);
348 return null;
349 }
350
351 public Void visitLocalVariableTable(LocalVariableTable_attribute attr, Void ignore) {
352 println("LocalVariableTable:");
353 indent(+1);
354 println("Start Length Slot Name Signature");
355 for (LocalVariableTable_attribute.Entry entry : attr.local_variable_table) {
356 println(String.format("%5d %7d %5d %5s %s",
357 entry.start_pc, entry.length, entry.index,
358 constantWriter.stringValue(entry.name_index),
359 constantWriter.stringValue(entry.descriptor_index)));
360 }
361 indent(-1);
362 return null;
363 }
364
365 public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, Void ignore) {
366 println("LocalVariableTypeTable:");
367 indent(+1);
368 println("Start Length Slot Name Signature");
369 for (LocalVariableTypeTable_attribute.Entry entry : attr.local_variable_table) {
370 println(String.format("%5d %7d %5d %5s %s",
371 entry.start_pc, entry.length, entry.index,
372 constantWriter.stringValue(entry.name_index),
373 constantWriter.stringValue(entry.signature_index)));
374 }
375 indent(-1);
376 return null;
377 }
378
379 private static final String format = "%-31s%s";
380
381 public Void visitMethodParameters(MethodParameters_attribute attr,
382 Void ignore) {
383
384 final String header = String.format(format, "Name", "Flags");
385 println("MethodParameters:");
386 indent(+1);
387 println(header);
388 for (MethodParameters_attribute.Entry entry :
389 attr.method_parameter_table) {
390 String namestr =
391 entry.name_index != 0 ?
392 constantWriter.stringValue(entry.name_index) : "<no name>";
393 String flagstr =
394 (0 != (entry.flags & ACC_FINAL) ? "final " : "") +
395 (0 != (entry.flags & ACC_MANDATED) ? "mandated " : "") +
396 (0 != (entry.flags & ACC_SYNTHETIC) ? "synthetic" : "");
397 println(String.format(format, namestr, flagstr));
398 }
399 indent(-1);
400 return null;
401 }
402
403 public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, Void ignore) {
404 println("RuntimeVisibleAnnotations:");
405 indent(+1);
406 for (int i = 0; i < attr.annotations.length; i++) {
407 print(i + ": ");
408 annotationWriter.write(attr.annotations[i]);
409 println();
410 }
411 indent(-1);
412 return null;
413 }
414
415 public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, Void ignore) {
416 println("RuntimeInvisibleAnnotations:");
417 indent(+1);
418 for (int i = 0; i < attr.annotations.length; i++) {
419 print(i + ": ");
420 annotationWriter.write(attr.annotations[i]);
421 println();
422 }
423 indent(-1);
424 return null;
425 }
426
427 public Void visitRuntimeVisibleTypeAnnotations(RuntimeVisibleTypeAnnotations_attribute attr, Void ignore) {
428 println("RuntimeVisibleTypeAnnotations:");
429 indent(+1);
430 for (int i = 0; i < attr.annotations.length; i++) {
431 print(i + ": ");
432 annotationWriter.write(attr.annotations[i]);
433 println();
434 }
435 indent(-1);
436 return null;
437 }
438
439 public Void visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute attr, Void ignore) {
440 println("RuntimeInvisibleTypeAnnotations:");
441 indent(+1);
442 for (int i = 0; i < attr.annotations.length; i++) {
443 print(i + ": ");
444 annotationWriter.write(attr.annotations[i]);
445 println();
446 }
447 indent(-1);
448 return null;
449 }
450
451 public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, Void ignore) {
452 println("RuntimeVisibleParameterAnnotations:");
453 indent(+1);
454 for (int param = 0; param < attr.parameter_annotations.length; param++) {
455 println("parameter " + param + ": ");
456 indent(+1);
457 for (int i = 0; i < attr.parameter_annotations[param].length; i++) {
458 print(i + ": ");
459 annotationWriter.write(attr.parameter_annotations[param][i]);
460 println();
461 }
462 indent(-1);
463 }
464 indent(-1);
465 return null;
466 }
467
468 public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, Void ignore) {
469 println("RuntimeInvisibleParameterAnnotations:");
470 indent(+1);
471 for (int param = 0; param < attr.parameter_annotations.length; param++) {
472 println(param + ": ");
473 indent(+1);
474 for (int i = 0; i < attr.parameter_annotations[param].length; i++) {
475 print(i + ": ");
476 annotationWriter.write(attr.parameter_annotations[param][i]);
477 println();
478 }
479 indent(-1);
480 }
481 indent(-1);
482 return null;
483 }
484
485 public Void visitSignature(Signature_attribute attr, Void ignore) {
486 print("Signature: #" + attr.signature_index);
487 tab();
488 println("// " + getSignature(attr));
489 return null;
490 }
491
492 String getSignature(Signature_attribute info) {
493 try {
494 return info.getSignature(constant_pool);
495 } catch (ConstantPoolException e) {
496 return report(e);
497 }
498 }
499
500 public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, Void ignore) {
501 println("SourceDebugExtension:");
502 indent(+1);
503 for (String s: attr.getValue().split("[\r\n]+")) {
504 println(s);
505 }
506 indent(-1);
507 return null;
508 }
509
510 public Void visitSourceFile(SourceFile_attribute attr, Void ignore) {
511 println("SourceFile: \"" + getSourceFile(attr) + "\"");
512 return null;
513 }
514
515 private String getSourceFile(SourceFile_attribute attr) {
516 try {
517 return attr.getSourceFile(constant_pool);
518 } catch (ConstantPoolException e) {
519 return report(e);
520 }
521 }
522
523 public Void visitSourceID(SourceID_attribute attr, Void ignore) {
524 constantWriter.write(attr.sourceID_index);
525 return null;
526 }
527
528 public Void visitStackMap(StackMap_attribute attr, Void ignore) {
529 println("StackMap: number_of_entries = " + attr.number_of_entries);
530 indent(+1);
531 StackMapTableWriter w = new StackMapTableWriter();
532 for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {
533 w.write(entry);
534 }
535 indent(-1);
536 return null;
537 }
538
539 public Void visitStackMapTable(StackMapTable_attribute attr, Void ignore) {
540 println("StackMapTable: number_of_entries = " + attr.number_of_entries);
541 indent(+1);
542 StackMapTableWriter w = new StackMapTableWriter();
543 for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {
544 w.write(entry);
545 }
546 indent(-1);
547 return null;
548 }
549
550 class StackMapTableWriter // also handles CLDC StackMap attributes
551 implements StackMapTable_attribute.stack_map_frame.Visitor<Void,Void> {
552 public void write(StackMapTable_attribute.stack_map_frame frame) {
553 frame.accept(this, null);
554 }
555
556 public Void visit_same_frame(StackMapTable_attribute.same_frame frame, Void p) {
557 printHeader(frame, "/* same */");
558 return null;
559 }
560
561 public Void visit_same_locals_1_stack_item_frame(StackMapTable_attribute.same_locals_1_stack_item_frame frame, Void p) {
562 printHeader(frame, "/* same_locals_1_stack_item */");
563 indent(+1);
564 printMap("stack", frame.stack);
565 indent(-1);
566 return null;
567 }
568
569 public Void visit_same_locals_1_stack_item_frame_extended(StackMapTable_attribute.same_locals_1_stack_item_frame_extended frame, Void p) {
570 printHeader(frame, "/* same_locals_1_stack_item_frame_extended */");
571 indent(+1);
572 println("offset_delta = " + frame.offset_delta);
573 printMap("stack", frame.stack);
574 indent(-1);
575 return null;
576 }
577
578 public Void visit_chop_frame(StackMapTable_attribute.chop_frame frame, Void p) {
579 printHeader(frame, "/* chop */");
580 indent(+1);
581 println("offset_delta = " + frame.offset_delta);
582 indent(-1);
583 return null;
584 }
585
586 public Void visit_same_frame_extended(StackMapTable_attribute.same_frame_extended frame, Void p) {
587 printHeader(frame, "/* same_frame_extended */");
588 indent(+1);
589 println("offset_delta = " + frame.offset_delta);
590 indent(-1);
591 return null;
592 }
593
594 public Void visit_append_frame(StackMapTable_attribute.append_frame frame, Void p) {
595 printHeader(frame, "/* append */");
596 indent(+1);
597 println("offset_delta = " + frame.offset_delta);
598 printMap("locals", frame.locals);
599 indent(-1);
600 return null;
601 }
602
603 public Void visit_full_frame(StackMapTable_attribute.full_frame frame, Void p) {
604 if (frame instanceof StackMap_attribute.stack_map_frame) {
605 printHeader(frame, "offset = " + frame.offset_delta);
606 indent(+1);
607 } else {
608 printHeader(frame, "/* full_frame */");
609 indent(+1);
610 println("offset_delta = " + frame.offset_delta);
611 }
612 printMap("locals", frame.locals);
613 printMap("stack", frame.stack);
614 indent(-1);
615 return null;
616 }
617
618 void printHeader(StackMapTable_attribute.stack_map_frame frame, String extra) {
619 print("frame_type = " + frame.frame_type + " ");
620 println(extra);
621 }
622
623 void printMap(String name, StackMapTable_attribute.verification_type_info[] map) {
624 print(name + " = [");
625 for (int i = 0; i < map.length; i++) {
626 StackMapTable_attribute.verification_type_info info = map[i];
627 int tag = info.tag;
628 switch (tag) {
629 case StackMapTable_attribute.verification_type_info.ITEM_Object:
630 print(" ");
631 constantWriter.write(((StackMapTable_attribute.Object_variable_info) info).cpool_index);
632 break;
633 case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
634 print(" " + mapTypeName(tag));
635 print(" " + ((StackMapTable_attribute.Uninitialized_variable_info) info).offset);
636 break;
637 default:
638 print(" " + mapTypeName(tag));
639 }
640 print(i == (map.length - 1) ? " " : ",");
641 }
642 println("]");
643 }
644
645 String mapTypeName(int tag) {
646 switch (tag) {
647 case StackMapTable_attribute.verification_type_info.ITEM_Top:
648 return "top";
649
650 case StackMapTable_attribute.verification_type_info.ITEM_Integer:
651 return "int";
652
653 case StackMapTable_attribute.verification_type_info.ITEM_Float:
654 return "float";
655
656 case StackMapTable_attribute.verification_type_info.ITEM_Long:
657 return "long";
658
659 case StackMapTable_attribute.verification_type_info.ITEM_Double:
660 return "double";
661
662 case StackMapTable_attribute.verification_type_info.ITEM_Null:
663 return "null";
664
665 case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis:
666 return "this";
667
668 case StackMapTable_attribute.verification_type_info.ITEM_Object:
669 return "CP";
670
671 case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
672 return "uninitialized";
673
674 default:
675 report("unrecognized verification_type_info tag: " + tag);
676 return "[tag:" + tag + "]";
677 }
678 }
679 }
680
681 public Void visitSynthetic(Synthetic_attribute attr, Void ignore) {
682 println("Synthetic: true");
683 return null;
684 }
685
686 static String getJavaName(String name) {
687 return name.replace('/', '.');
688 }
689
690 String toHex(byte b, int w) {
691 return toHex(b & 0xff, w);
692 }
693
694 static String toHex(int i) {
695 return StringUtils.toUpperCase(Integer.toString(i, 16));
696 }
697
698 static String toHex(int i, int w) {
699 String s = StringUtils.toUpperCase(Integer.toHexString(i));
700 while (s.length() < w)
701 s = "0" + s;
702 return StringUtils.toUpperCase(s);
703 }
704
705 private AnnotationWriter annotationWriter;
706 private CodeWriter codeWriter;
707 private ConstantWriter constantWriter;
708 private Options options;
709
710 private ConstantPool constant_pool;
711 private Object owner;
712 }