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| package com.jeantessier.classreader; |
34 |
| |
35 |
| import java.io.*; |
36 |
| import java.util.*; |
37 |
| |
38 |
| public class TextPrinter extends Printer { |
39 |
| private boolean top = true; |
40 |
| |
41 |
20
| public TextPrinter(PrintWriter out) {
|
42 |
20
| super(out);
|
43 |
| } |
44 |
| |
45 |
0
| public void visitClassfile(Classfile classfile) {
|
46 |
0
| top = true;
|
47 |
0
| classfile.getConstantPool().accept(this);
|
48 |
0
| top = false;
|
49 |
| |
50 |
0
| eol();
|
51 |
| |
52 |
0
| append(classfile.getDeclaration()).append(" {").eol();
|
53 |
| |
54 |
0
| for (Field_info field : classfile.getAllFields()) {
|
55 |
0
| field.accept(this);
|
56 |
| } |
57 |
| |
58 |
0
| for (Method_info method : classfile.getAllMethods()) {
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59 |
0
| method.accept(this);
|
60 |
| } |
61 |
| |
62 |
0
| append("}").eol();
|
63 |
| } |
64 |
| |
65 |
0
| public void visitClass_info(Class_info entry) {
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66 |
0
| if (top) {
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67 |
0
| top = false;
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68 |
0
| append(currentCount()).append(": ");
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69 |
0
| append("Class ");
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70 |
0
| append(entry);
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71 |
0
| eol();
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0
| top = true;
|
73 |
| } else { |
74 |
0
| append(entry);
|
75 |
| } |
76 |
| } |
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| |
78 |
0
| public void visitFieldRef_info(FieldRef_info entry) {
|
79 |
0
| if (top) {
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0
| top = false;
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81 |
0
| append(currentCount()).append(": ");
|
82 |
0
| append("Field ");
|
83 |
0
| append(entry);
|
84 |
0
| eol();
|
85 |
0
| top = true;
|
86 |
| } else { |
87 |
0
| append(entry);
|
88 |
| } |
89 |
| } |
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| |
91 |
0
| public void visitMethodRef_info(MethodRef_info entry) {
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92 |
0
| if (top) {
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0
| top = false;
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94 |
0
| append(currentCount()).append(": ");
|
95 |
0
| append("Method ");
|
96 |
0
| append(entry);
|
97 |
0
| eol();
|
98 |
0
| top = true;
|
99 |
| } else { |
100 |
0
| append(entry);
|
101 |
| } |
102 |
| } |
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| |
104 |
0
| public void visitInterfaceMethodRef_info(InterfaceMethodRef_info entry) {
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105 |
0
| if (top) {
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0
| top = false;
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107 |
0
| append(currentCount()).append(": ");
|
108 |
0
| append("Interface Method ");
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109 |
0
| append(entry);
|
110 |
0
| eol();
|
111 |
0
| top = true;
|
112 |
| } else { |
113 |
0
| append(entry);
|
114 |
| } |
115 |
| } |
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| |
117 |
0
| public void visitString_info(String_info entry) {
|
118 |
0
| if (top) {
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119 |
0
| top = false;
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120 |
0
| append(currentCount()).append(": String \"");
|
121 |
0
| entry.getRawValue().accept(this);
|
122 |
0
| append("\"").eol();
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123 |
0
| top = true;
|
124 |
| } else { |
125 |
0
| entry.getRawValue().accept(this);
|
126 |
| } |
127 |
| } |
128 |
| |
129 |
0
| public void visitInteger_info(Integer_info entry) {
|
130 |
0
| if (top) {
|
131 |
0
| append(currentCount()).append(": Integer ").append(entry.getValue()).eol();
|
132 |
| } else { |
133 |
0
| append(entry.getValue());
|
134 |
| } |
135 |
| } |
136 |
| |
137 |
0
| public void visitFloat_info(Float_info entry) {
|
138 |
0
| if (top) {
|
139 |
0
| append(currentCount()).append(": Float ").append(entry.getValue()).eol();
|
140 |
| } else { |
141 |
0
| append(entry.getValue());
|
142 |
| } |
143 |
| } |
144 |
| |
145 |
0
| public void visitLong_info(Long_info entry) {
|
146 |
0
| if (top) {
|
147 |
0
| append(currentCount()).append(": Long ").append(entry.getValue()).eol();
|
148 |
| } else { |
149 |
0
| append(entry.getValue());
|
150 |
| } |
151 |
| } |
152 |
| |
153 |
0
| public void visitDouble_info(Double_info entry) {
|
154 |
0
| if (top) {
|
155 |
0
| append(currentCount()).append(": Double ").append(entry.getValue()).eol();
|
156 |
| } else { |
157 |
0
| append(entry.getValue());
|
158 |
| } |
159 |
| } |
160 |
| |
161 |
0
| public void visitNameAndType_info(NameAndType_info entry) {
|
162 |
0
| if (top) {
|
163 |
0
| top = false;
|
164 |
0
| append(currentCount()).append(": Name and Type ");
|
165 |
0
| entry.getRawName().accept(this);
|
166 |
0
| append(" ");
|
167 |
0
| entry.getRawType().accept(this);
|
168 |
0
| eol();
|
169 |
0
| top = true;
|
170 |
| } else { |
171 |
0
| entry.getRawName().accept(this);
|
172 |
0
| append(" ");
|
173 |
0
| entry.getRawType().accept(this);
|
174 |
| } |
175 |
| } |
176 |
| |
177 |
0
| public void visitUTF8_info(UTF8_info entry) {
|
178 |
0
| if (top) {
|
179 |
0
| append(currentCount()).append(": \"").append(entry.getValue()).append("\"").eol();
|
180 |
| } else { |
181 |
0
| append(entry.getValue());
|
182 |
| } |
183 |
| } |
184 |
| |
185 |
0
| public void visitField_info(Field_info entry) {
|
186 |
0
| append(" ").append(entry.getDeclaration()).append(";").eol();
|
187 |
| } |
188 |
| |
189 |
4
| public void visitMethod_info(Method_info entry) {
|
190 |
4
| eol();
|
191 |
4
| append(" ");
|
192 |
4
| append(entry.getDeclaration());
|
193 |
4
| if (!entry.isStaticInitializer()) {
|
194 |
3
| append(";");
|
195 |
| } |
196 |
4
| eol();
|
197 |
| |
198 |
| |
199 |
| |
200 |
| |
201 |
4
| if (!entry.isAbstract() && !entry.isNative()) {
|
202 |
2
| entry.getCode().accept(this);
|
203 |
| } |
204 |
| } |
205 |
| |
206 |
2
| public void visitCode_attribute(Code_attribute attribute) {
|
207 |
2
| append(" CODE").eol();
|
208 |
2
| visitInstructions(attribute);
|
209 |
| |
210 |
2
| Collection<? extends ExceptionHandler> exceptionHandlers = attribute.getExceptionHandlers();
|
211 |
2
| if (!exceptionHandlers.isEmpty()) {
|
212 |
1
| append(" EXCEPTION HANDLING").eol();
|
213 |
1
| visitExceptionHandlers(exceptionHandlers);
|
214 |
| } |
215 |
| } |
216 |
| |
217 |
11
| public void visitInstruction(Instruction helper) {
|
218 |
11
| append(" ").append(helper.getStart()).append(":\t").append(helper.getMnemonic());
|
219 |
11
| appendIndexedConstantPoolEntry(helper);
|
220 |
11
| appendIndexedLocalVariable(helper);
|
221 |
11
| appendOffset(helper);
|
222 |
11
| appendValue(helper);
|
223 |
11
| eol();
|
224 |
| |
225 |
11
| super.visitInstruction(helper);
|
226 |
| } |
227 |
| |
228 |
2
| public void visitExceptionHandler(ExceptionHandler helper) {
|
229 |
2
| append(" ").append(helper.getStartPC()).append("-").append(helper.getEndPC()).append(": ").append(helper.getHandlerPC());
|
230 |
2
| if (helper.getCatchTypeIndex() != 0) {
|
231 |
1
| append(" (").append(helper.getCatchType()).append(")");
|
232 |
| } |
233 |
2
| eol();
|
234 |
| } |
235 |
| |
236 |
11
| private void appendIndexedConstantPoolEntry(Instruction helper) {
|
237 |
11
| switch (helper.getOpcode()) {
|
238 |
0
| case 0x12:
|
239 |
0
| case 0x13:
|
240 |
0
| case 0x14:
|
241 |
0
| case 0xb2:
|
242 |
0
| case 0xb3:
|
243 |
1
| case 0xb4:
|
244 |
0
| case 0xb5:
|
245 |
0
| case 0xb6:
|
246 |
0
| case 0xb7:
|
247 |
0
| case 0xb8:
|
248 |
0
| case 0xb9:
|
249 |
0
| case 0xbb:
|
250 |
0
| case 0xbd:
|
251 |
0
| case 0xc0:
|
252 |
0
| case 0xc1:
|
253 |
0
| case 0xc5:
|
254 |
1
| append(" ");
|
255 |
1
| helper.getIndexedConstantPoolEntry().accept(this);
|
256 |
1
| break;
|
257 |
10
| default:
|
258 |
| |
259 |
10
| break;
|
260 |
| } |
261 |
| } |
262 |
| |
263 |
11
| private void appendIndexedLocalVariable(Instruction helper) {
|
264 |
11
| switch (helper.getOpcode()) {
|
265 |
0
| case 0x1a:
|
266 |
0
| case 0x1e:
|
267 |
0
| case 0x22:
|
268 |
0
| case 0x26:
|
269 |
0
| case 0x2a:
|
270 |
0
| case 0x3b:
|
271 |
0
| case 0x3f:
|
272 |
0
| case 0x43:
|
273 |
0
| case 0x47:
|
274 |
0
| case 0x4b:
|
275 |
2
| case 0x1b:
|
276 |
0
| case 0x1f:
|
277 |
0
| case 0x23:
|
278 |
0
| case 0x27:
|
279 |
0
| case 0x2b:
|
280 |
0
| case 0x3c:
|
281 |
0
| case 0x40:
|
282 |
0
| case 0x44:
|
283 |
0
| case 0x48:
|
284 |
0
| case 0x4c:
|
285 |
0
| case 0x1c:
|
286 |
0
| case 0x20:
|
287 |
0
| case 0x24:
|
288 |
0
| case 0x28:
|
289 |
0
| case 0x2c:
|
290 |
0
| case 0x3d:
|
291 |
0
| case 0x41:
|
292 |
0
| case 0x45:
|
293 |
0
| case 0x49:
|
294 |
0
| case 0x4d:
|
295 |
0
| case 0x1d:
|
296 |
0
| case 0x21:
|
297 |
0
| case 0x25:
|
298 |
0
| case 0x29:
|
299 |
0
| case 0x2d:
|
300 |
0
| case 0x3e:
|
301 |
0
| case 0x42:
|
302 |
0
| case 0x46:
|
303 |
0
| case 0x4a:
|
304 |
0
| case 0x4e:
|
305 |
2
| appendLocalVariable(helper.getIndexedLocalVariable());
|
306 |
2
| break;
|
307 |
1
| case 0x15:
|
308 |
0
| case 0x16:
|
309 |
0
| case 0x17:
|
310 |
0
| case 0x18:
|
311 |
0
| case 0x19:
|
312 |
0
| case 0x36:
|
313 |
0
| case 0x37:
|
314 |
0
| case 0x38:
|
315 |
0
| case 0x39:
|
316 |
0
| case 0x3a:
|
317 |
0
| case 0xa9:
|
318 |
1
| case 0x84:
|
319 |
2
| case 0xc4:
|
320 |
4
| appendLocalVariable(helper.getIndexedLocalVariable());
|
321 |
4
| append(" (#").append(helper.getIndex()).append(")");
|
322 |
4
| break;
|
323 |
5
| default:
|
324 |
| |
325 |
5
| break;
|
326 |
| } |
327 |
| } |
328 |
| |
329 |
6
| private void appendLocalVariable(LocalVariable localVariable) {
|
330 |
6
| if (localVariable != null) {
|
331 |
5
| append(" ").append(DescriptorHelper.getType(localVariable.getDescriptor())).append(" ").append(localVariable.getName());
|
332 |
| } |
333 |
| } |
334 |
| |
335 |
11
| private void appendOffset(Instruction helper) {
|
336 |
11
| switch (helper.getOpcode()) {
|
337 |
0
| case 0x99:
|
338 |
0
| case 0x9a:
|
339 |
0
| case 0x9b:
|
340 |
0
| case 0x9c:
|
341 |
0
| case 0x9d:
|
342 |
0
| case 0x9e:
|
343 |
0
| case 0x9f:
|
344 |
0
| case 0xa0:
|
345 |
0
| case 0xa1:
|
346 |
0
| case 0xa2:
|
347 |
0
| case 0xa3:
|
348 |
0
| case 0xa4:
|
349 |
0
| case 0xa5:
|
350 |
0
| case 0xa6:
|
351 |
3
| case 0xa7:
|
352 |
0
| case 0xa8:
|
353 |
0
| case 0xc6:
|
354 |
0
| case 0xc7:
|
355 |
0
| case 0xc8:
|
356 |
0
| case 0xc9:
|
357 |
3
| append(" ").append(helper.getStart() + helper.getOffset()).append(" (");
|
358 |
3
| if (helper.getOffset() >= 0) {
|
359 |
2
| append("+");
|
360 |
| } |
361 |
3
| append(helper.getOffset());
|
362 |
3
| append(")");
|
363 |
3
| break;
|
364 |
8
| default:
|
365 |
| |
366 |
8
| break;
|
367 |
| } |
368 |
| } |
369 |
| |
370 |
11
| private void appendValue(Instruction helper) {
|
371 |
11
| switch (helper.getOpcode()) {
|
372 |
0
| case 0x10:
|
373 |
0
| case 0x11:
|
374 |
1
| case 0x84:
|
375 |
1
| append(" ").append(helper.getValue());
|
376 |
1
| break;
|
377 |
2
| case 0xc4:
|
378 |
2
| if (helper.getByte(1) == 0x84 ) {
|
379 |
1
| append(" ").append(helper.getValue());
|
380 |
| } |
381 |
2
| break;
|
382 |
8
| default:
|
383 |
| |
384 |
8
| break;
|
385 |
| } |
386 |
| } |
387 |
| } |