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1 | /* |
2 | |
3 | parser.c: Generate helper declarations and functions to trace events |
4 | from an event description file. |
5 | |
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6 | Copyright (C) 2005, Mathieu Desnoyers |
7 | Copyright (C) 2002, Xianxiu Yang |
8 | Copyright (C) 2002, Michel Dagenais |
9 | This program is free software; you can redistribute it and/or modify |
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10 | it under the terms of the GNU General Public License as published by |
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11 | the Free Software Foundation; version 2 of the License. |
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12 | |
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13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ |
22 | |
23 | /* This program reads the ".xml" event definitions input files |
24 | and constructs structure for each event. |
25 | |
26 | The program uses a very simple tokenizer, called from a hand written |
27 | recursive descent parser to fill a data structure describing the events. |
28 | The result is a sequence of events definitions which refer to type |
29 | definitions. |
30 | |
31 | A table of named types is maintained to allow refering to types by name |
32 | when the same type is used at several places. Finally a sequence of |
33 | all types is maintained to facilitate the freeing of all type |
34 | information when the processing of an ".xml" file is finished. */ |
35 | |
36 | #include <stdlib.h> |
37 | #include <string.h> |
38 | #include <stdio.h> |
39 | #include <stdarg.h> |
40 | #include <linux/errno.h> |
41 | #include <assert.h> |
a0c1f622 |
42 | #include <ctype.h> |
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43 | |
44 | #include "parser.h" |
45 | |
46 | |
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47 | char *intOutputTypes[] = { |
48 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
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49 | |
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50 | char *uintOutputTypes[] = { |
51 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
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52 | |
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53 | char *floatOutputTypes[] = { |
54 | "undef", "undef", "float", "double" }; |
a0c1f622 |
55 | |
56 | |
57 | |
58 | |
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59 | /* helper function */ |
60 | void strupper(char *string) |
61 | { |
62 | char *ptr = string; |
63 | |
64 | while(*ptr != '\0') { |
65 | *ptr = toupper(*ptr); |
66 | ptr++; |
67 | } |
68 | } |
69 | |
70 | |
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71 | int getSizeindex(unsigned int value) |
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72 | { |
73 | switch(value) { |
74 | case 1: |
75 | return 0; |
76 | case 2: |
77 | return 1; |
78 | case 4: |
79 | return 2; |
80 | case 8: |
81 | return 3; |
82 | default: |
83 | printf("Error : unknown value size %d\n", value); |
84 | exit(-1); |
85 | } |
86 | } |
87 | |
88 | /***************************************************************************** |
89 | *Function name |
90 | * getSize : translate from string to integer |
91 | *Input params |
92 | * in : input file handle |
93 | *Return values |
94 | * size |
95 | *****************************************************************************/ |
96 | |
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97 | unsigned long long int getSize(parse_file_t *in) |
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98 | { |
99 | char *token; |
100 | |
101 | token = getToken(in); |
102 | if(in->type == NUMBER) { |
f104d082 |
103 | return strtoull(token, NULL, 0); |
90395b4b |
104 | } |
105 | in->error(in,"incorrect size specification"); |
106 | return -1; |
107 | } |
108 | |
109 | /***************************************************************************** |
110 | *Function name |
111 | * error_callback : print out error info |
112 | *Input params |
113 | * in : input file handle |
114 | * msg : message to be printed |
115 | ****************************************************************************/ |
116 | |
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117 | void error_callback(parse_file_t *in, char *msg) |
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118 | { |
119 | if(in) |
120 | printf("Error in file %s, line %d: %s\n", in->name, in->lineno, msg); |
121 | else |
122 | printf("%s\n",msg); |
123 | assert(0); |
124 | exit(1); |
125 | } |
126 | |
127 | /***************************************************************************** |
128 | *Function name |
129 | * memAlloc : allocate memory |
130 | *Input params |
131 | * size : required memory size |
132 | *return value |
133 | * void * : pointer to allocate memory or NULL |
134 | ****************************************************************************/ |
135 | |
136 | void * memAlloc(int size) |
137 | { |
138 | void * addr; |
139 | if(size == 0) return NULL; |
140 | addr = malloc(size); |
141 | if(!addr){ |
142 | printf("Failed to allocate memory"); |
143 | exit(1); |
144 | } |
145 | return addr; |
146 | } |
147 | |
148 | /***************************************************************************** |
149 | *Function name |
150 | * allocAndCopy : allocate memory and initialize it |
151 | *Input params |
152 | * str : string to be put in memory |
153 | *return value |
154 | * char * : pointer to allocate memory or NULL |
155 | ****************************************************************************/ |
156 | |
157 | char *allocAndCopy(char *str) |
158 | { |
159 | char * addr; |
160 | if(str == NULL) return NULL; |
161 | addr = (char *)memAlloc(strlen(str)+1); |
162 | strcpy(addr,str); |
163 | return addr; |
164 | } |
165 | |
166 | /************************************************************************** |
167 | * Function : |
168 | * getTypeAttributes |
169 | * Description : |
170 | * Read the attribute from the input file. |
171 | * |
172 | * Parameters : |
173 | * in , input file handle. |
174 | * t , the type descriptor to fill. |
175 | * |
176 | **************************************************************************/ |
177 | |
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178 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
179 | sequence_t * unnamed_types, table_t * named_types) |
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180 | { |
181 | char * token; |
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182 | |
183 | t->fmt = NULL; |
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184 | t->size = 0; |
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185 | |
186 | while(1) { |
187 | token = getToken(in); |
188 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
189 | ungetToken(in); |
190 | break; |
191 | } |
192 | |
193 | if(!strcmp("format",token)) { |
194 | getEqual(in); |
195 | t->fmt = allocAndCopy(getQuotedString(in)); |
196 | //} else if(!strcmp("name",token)) { |
197 | // getEqual(in); |
198 | // car = seekNextChar(in); |
199 | // if(car == EOF) in->error(in,"name was expected"); |
200 | // else if(car == '\"') t->type_name = allocAndCopy(getQuotedString(in)); |
201 | // else t->type_name = allocAndCopy(getName(in)); |
202 | } else if(!strcmp("size",token)) { |
203 | getEqual(in); |
204 | t->size = getSize(in); |
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205 | } |
206 | } |
207 | } |
208 | |
209 | /************************************************************************** |
210 | * Function : |
211 | * getEventAttributes |
212 | * Description : |
213 | * Read the attribute from the input file. |
214 | * |
215 | * Parameters : |
216 | * in , input file handle. |
217 | * ev , the event to fill. |
218 | * |
219 | **************************************************************************/ |
220 | |
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221 | void getEventAttributes(parse_file_t *in, event_t *ev) |
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222 | { |
223 | char * token; |
224 | char car; |
225 | |
226 | ev->name = NULL; |
227 | ev->per_trace = 0; |
228 | ev->per_tracefile = 0; |
229 | |
230 | while(1) { |
231 | token = getToken(in); |
232 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
233 | ungetToken(in); |
234 | break; |
235 | } |
236 | |
237 | if(!strcmp("name",token)) { |
238 | getEqual(in); |
239 | car = seekNextChar(in); |
240 | if(car == EOF) in->error(in,"name was expected"); |
241 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
242 | else ev->name = allocAndCopy(getName(in)); |
243 | } else if(!strcmp("per_trace", token)) { |
244 | ev->per_trace = 1; |
245 | } else if(!strcmp("per_tracefile", token)) { |
246 | ev->per_tracefile = 1; |
247 | } |
248 | |
249 | } |
250 | } |
251 | |
252 | /************************************************************************** |
253 | * Function : |
254 | * getFacilityAttributes |
255 | * Description : |
256 | * Read the attribute from the input file. |
257 | * |
258 | * Parameters : |
259 | * in , input file handle. |
260 | * fac , the facility to fill. |
261 | * |
262 | **************************************************************************/ |
263 | |
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264 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
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265 | { |
266 | char * token; |
267 | char car; |
268 | |
269 | fac->name = NULL; |
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270 | fac->arch = NULL; |
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271 | |
272 | while(1) { |
273 | token = getToken(in); |
274 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
275 | ungetToken(in); |
276 | break; |
277 | } |
278 | |
279 | if(!strcmp("name",token)) { |
280 | getEqual(in); |
281 | car = seekNextChar(in); |
282 | if(car == EOF) in->error(in,"name was expected"); |
283 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
284 | else fac->name = allocAndCopy(getName(in)); |
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285 | } else if(!strcmp("arch", token)) { |
286 | getEqual(in); |
287 | car = seekNextChar(in); |
288 | if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
289 | else fac->arch = allocAndCopy(getName(in)); |
290 | } |
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291 | } |
292 | } |
293 | |
294 | /************************************************************************** |
295 | * Function : |
296 | * getFieldAttributes |
297 | * Description : |
298 | * Read the attribute from the input file. |
299 | * |
300 | * Parameters : |
301 | * in , input file handle. |
302 | * f , the field to fill. |
303 | * |
304 | **************************************************************************/ |
305 | |
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306 | void getFieldAttributes(parse_file_t *in, field_t *f) |
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307 | { |
308 | char * token; |
309 | char car; |
310 | |
311 | f->name = NULL; |
312 | |
313 | while(1) { |
314 | token = getToken(in); |
315 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
316 | ungetToken(in); |
317 | break; |
318 | } |
319 | |
320 | if(!strcmp("name",token)) { |
321 | getEqual(in); |
322 | car = seekNextChar(in); |
323 | if(car == EOF) in->error(in,"name was expected"); |
324 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
325 | else f->name = allocAndCopy(getName(in)); |
326 | } |
327 | } |
328 | } |
329 | |
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330 | char *getNameAttribute(parse_file_t *in) |
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331 | { |
332 | char * token; |
333 | char *name = NULL; |
334 | char car; |
335 | |
336 | while(1) { |
337 | token = getToken(in); |
338 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
339 | ungetToken(in); |
340 | break; |
341 | } |
342 | |
343 | if(!strcmp("name",token)) { |
344 | getEqual(in); |
345 | car = seekNextChar(in); |
346 | if(car == EOF) in->error(in,"name was expected"); |
347 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
348 | else name = allocAndCopy(getName(in)); |
349 | } |
350 | } |
351 | if(name == NULL) in->error(in, "Name was expected"); |
352 | return name; |
353 | |
354 | } |
355 | |
356 | |
357 | |
358 | //for <label name=label_name value=n format="..."/>, value is an option |
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359 | char * getValueStrAttribute(parse_file_t *in) |
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360 | { |
361 | char * token; |
362 | |
363 | token = getToken(in); |
364 | if(strcmp("/",token) == 0){ |
365 | ungetToken(in); |
366 | return NULL; |
367 | } |
368 | |
369 | if(strcmp("value",token))in->error(in,"value was expected"); |
370 | getEqual(in); |
371 | token = getToken(in); |
372 | if(in->type != NUMBER) in->error(in,"number was expected"); |
373 | return token; |
374 | } |
375 | |
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376 | char * getDescription(parse_file_t *in) |
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377 | { |
378 | long int pos; |
379 | char * token, car, *str; |
380 | |
381 | pos = ftell(in->fp); |
382 | |
383 | getLAnglebracket(in); |
384 | token = getName(in); |
385 | if(strcmp("description",token)){ |
386 | fseek(in->fp, pos, SEEK_SET); |
387 | return NULL; |
388 | } |
389 | |
390 | getRAnglebracket(in); |
391 | |
392 | pos = 0; |
393 | while((car = getc(in->fp)) != EOF) { |
394 | if(car == '<') break; |
395 | if(car == '\0') continue; |
396 | in->buffer[pos] = car; |
397 | pos++; |
398 | } |
399 | if(car == EOF)in->error(in,"not a valid description"); |
400 | in->buffer[pos] = '\0'; |
401 | |
402 | str = allocAndCopy(in->buffer); |
403 | |
404 | getForwardslash(in); |
405 | token = getName(in); |
406 | if(strcmp("description", token))in->error(in,"not a valid description"); |
407 | getRAnglebracket(in); |
408 | |
409 | return str; |
410 | } |
411 | |
412 | /***************************************************************************** |
413 | *Function name |
414 | * parseFacility : generate event list |
415 | *Input params |
416 | * in : input file handle |
417 | * fac : empty facility |
418 | *Output params |
419 | * fac : facility filled with event list |
420 | ****************************************************************************/ |
421 | |
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422 | void parseFacility(parse_file_t *in, facility_t * fac) |
90395b4b |
423 | { |
424 | char * token; |
90699b2b |
425 | event_t *ev; |
90395b4b |
426 | |
427 | getFacilityAttributes(in, fac); |
428 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
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429 | |
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430 | fac->capname = allocAndCopy(fac->name); |
431 | strupper(fac->capname); |
432 | getRAnglebracket(in); |
433 | |
434 | fac->description = getDescription(in); |
435 | |
436 | while(1){ |
437 | getLAnglebracket(in); |
438 | |
439 | token = getToken(in); |
440 | if(in->type == ENDFILE) |
441 | in->error(in,"the definition of the facility is not finished"); |
442 | |
443 | if(strcmp("event",token) == 0){ |
90699b2b |
444 | ev = (event_t*) memAlloc(sizeof(event_t)); |
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445 | sequence_push(&(fac->events),ev); |
446 | parseEvent(in,ev, &(fac->unnamed_types), &(fac->named_types)); |
447 | }else if(strcmp("type",token) == 0){ |
448 | parseTypeDefinition(in, &(fac->unnamed_types), &(fac->named_types)); |
449 | }else if(in->type == FORWARDSLASH){ |
450 | break; |
451 | }else in->error(in,"event or type token expected\n"); |
452 | } |
453 | |
454 | token = getName(in); |
455 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
456 | getRAnglebracket(in); //</facility> |
457 | } |
458 | |
459 | /***************************************************************************** |
460 | *Function name |
461 | * parseEvent : generate event from event definition |
462 | *Input params |
463 | * in : input file handle |
464 | * ev : new event |
465 | * unnamed_types : array of unamed types |
466 | * named_types : array of named types |
467 | *Output params |
468 | * ev : new event (parameters are passed to it) |
469 | ****************************************************************************/ |
470 | |
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471 | void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
472 | table_t * named_types) |
90395b4b |
473 | { |
474 | char *token; |
f104d082 |
475 | field_t *f; |
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476 | |
f104d082 |
477 | sequence_init(&(ev->fields)); |
90395b4b |
478 | //<event name=eventtype_name> |
479 | getEventAttributes(in, ev); |
480 | if(ev->name == NULL) in->error(in, "Event not named"); |
481 | getRAnglebracket(in); |
482 | |
f104d082 |
483 | //<description>...</description> |
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484 | ev->description = getDescription(in); |
485 | |
f104d082 |
486 | int got_end = 0; |
487 | /* Events can have multiple fields. each field form at least a function |
488 | * parameter of the logging function. */ |
489 | while(!got_end) { |
490 | getLAnglebracket(in); |
491 | token = getToken(in); |
492 | |
493 | switch(in->type) { |
494 | case FORWARDSLASH: /* </event> */ |
495 | token = getName(in); |
496 | if(strcmp("event",token))in->error(in,"not an event definition"); |
497 | getRAnglebracket(in); //</event> |
498 | got_end = 1; |
499 | break; |
500 | case NAME: /* a field */ |
501 | if(strcmp("field",token))in->error(in,"expecting a field"); |
502 | f = (field_t *)memAlloc(sizeof(field_t)); |
503 | sequence_push(&(ev->fields),f); |
504 | parseFields(in, f, unnamed_types, named_types, 1); |
505 | break; |
506 | default: |
507 | in->error(in, "expecting </event> or <field >"); |
508 | break; |
509 | } |
510 | } |
511 | #if 0 |
512 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
513 | ev->type = NULL; |
514 | }else if(in->type == NAME){ |
515 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
516 | ungetToken(in); |
517 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
518 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
519 | in->error(in,"type must be a struct"); |
520 | }else in->error(in, "not a valid type"); |
521 | |
522 | getLAnglebracket(in); |
523 | getForwardslash(in); |
524 | }else in->error(in,"not a struct type"); |
525 | getLAnglebracket(in); |
526 | getForwardslash(in); |
527 | token = getName(in); |
528 | if(strcmp("event",token))in->error(in,"not an event definition"); |
529 | getRAnglebracket(in); //</event> |
530 | #endif //0 |
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531 | } |
532 | |
533 | /***************************************************************************** |
534 | *Function name |
535 | * parseField : get field infomation from buffer |
536 | *Input params |
537 | * in : input file handle |
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538 | * f : field |
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539 | * unnamed_types : array of unamed types |
540 | * named_types : array of named types |
f104d082 |
541 | * tag : is field surrounded by a <field> </field> tag ? |
90395b4b |
542 | ****************************************************************************/ |
543 | |
f104d082 |
544 | void parseFields(parse_file_t *in, field_t *f, |
90699b2b |
545 | sequence_t * unnamed_types, |
f104d082 |
546 | table_t * named_types, |
547 | int tag) |
90395b4b |
548 | { |
549 | char * token; |
f104d082 |
550 | if(tag) { |
551 | //<field name=field_name> <description> <type> </field> |
552 | getFieldAttributes(in, f); |
553 | if(f->name == NULL) in->error(in, "Field not named"); |
554 | getRAnglebracket(in); |
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555 | |
f104d082 |
556 | f->description = getDescription(in); |
557 | } |
90395b4b |
558 | |
559 | //<int size=...> |
560 | getLAnglebracket(in); |
561 | f->type = parseType(in,NULL, unnamed_types, named_types); |
562 | |
f104d082 |
563 | if(tag) { |
564 | getLAnglebracket(in); |
565 | getForwardslash(in); |
566 | token = getName(in); |
567 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
568 | getRAnglebracket(in); //</field> |
569 | } |
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570 | } |
571 | |
572 | |
573 | /***************************************************************************** |
574 | *Function name |
575 | * parseType : get type information, type can be : |
576 | * Primitive: |
577 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
578 | * string(fmt); enum(size,fmt,(label1,label2...)) |
579 | * Compound: |
580 | * array(arraySize, type); sequence(lengthSize,type) |
581 | * struct(field(name,type,description)...) |
582 | * type name: |
583 | * type(name,type) |
584 | *Input params |
585 | * in : input file handle |
586 | * inType : a type descriptor |
587 | * unnamed_types : array of unamed types |
588 | * named_types : array of named types |
589 | *Return values |
590 | * type_descriptor* : a type descriptor |
591 | ****************************************************************************/ |
592 | |
90699b2b |
593 | type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType, |
594 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
595 | { |
596 | char *token; |
90699b2b |
597 | type_descriptor_t *t; |
f104d082 |
598 | field_t *f; |
90395b4b |
599 | |
600 | if(inType == NULL) { |
90699b2b |
601 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
90395b4b |
602 | t->type_name = NULL; |
603 | t->type = NONE; |
604 | t->fmt = NULL; |
605 | sequence_push(unnamed_types,t); |
606 | } |
607 | else t = inType; |
608 | |
609 | token = getName(in); |
610 | |
611 | if(strcmp(token,"struct") == 0) { |
612 | t->type = STRUCT; |
f104d082 |
613 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
614 | getRAnglebracket(in); //<struct> |
615 | getLAnglebracket(in); //<field name=..> |
616 | token = getToken(in); |
617 | sequence_init(&(t->fields)); |
618 | while(strcmp("field",token) == 0){ |
f104d082 |
619 | f = (field_t *)memAlloc(sizeof(field_t)); |
620 | sequence_push(&(t->fields),f); |
621 | |
622 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
623 | |
624 | //next field |
625 | getLAnglebracket(in); |
626 | token = getToken(in); |
627 | } |
628 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
629 | token = getName(in); |
630 | if(strcmp("struct",token)!=0) |
631 | in->error(in,"not a valid structure definition"); |
632 | getRAnglebracket(in); //</struct> |
633 | } |
634 | else if(strcmp(token,"union") == 0) { |
635 | t->type = UNION; |
f104d082 |
636 | getTypeAttributes(in, t, unnamed_types, named_types); |
637 | getRAnglebracket(in); //<union> |
90395b4b |
638 | |
639 | getLAnglebracket(in); //<field name=..> |
640 | token = getToken(in); |
641 | sequence_init(&(t->fields)); |
642 | while(strcmp("field",token) == 0){ |
f104d082 |
643 | f = (field_t *)memAlloc(sizeof(field_t)); |
644 | sequence_push(&(t->fields),f); |
645 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
646 | |
647 | //next field |
648 | getLAnglebracket(in); |
649 | token = getToken(in); |
650 | } |
651 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
652 | token = getName(in); |
653 | if(strcmp("union",token)!=0) |
654 | in->error(in,"not a valid union definition"); |
655 | getRAnglebracket(in); //</union> |
656 | } |
657 | else if(strcmp(token,"array") == 0) { |
658 | t->type = ARRAY; |
f104d082 |
659 | sequence_init(&(t->fields)); |
660 | getTypeAttributes(in, t, unnamed_types, named_types); |
661 | if(t->size == 0) in->error(in, "Array has empty size"); |
662 | getForwardslash(in); |
90395b4b |
663 | getRAnglebracket(in); //<array size=n> |
664 | |
f104d082 |
665 | //getLAnglebracket(in); //<subtype> |
666 | /* subfield */ |
667 | f = (field_t *)memAlloc(sizeof(field_t)); |
668 | sequence_push(&(t->fields),f); |
669 | parseFields(in, f, unnamed_types, named_types, 0); |
670 | |
671 | //getLAnglebracket(in); //<type struct> |
672 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
90395b4b |
673 | |
674 | getLAnglebracket(in); //</array> |
675 | getForwardslash(in); |
676 | token = getName(in); |
677 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
678 | getRAnglebracket(in); //</array> |
679 | } |
680 | else if(strcmp(token,"sequence") == 0) { |
681 | t->type = SEQUENCE; |
f104d082 |
682 | sequence_init(&(t->fields)); |
683 | //getTypeAttributes(in, t, unnamed_types, named_types); |
684 | //getForwardslash(in); |
685 | getRAnglebracket(in); //<sequence> |
686 | |
687 | //getLAnglebracket(in); //<sequence size type> |
688 | /* subfield */ |
689 | f = (field_t *)memAlloc(sizeof(field_t)); |
690 | sequence_push(&(t->fields),f); |
691 | parseFields(in, f, unnamed_types, named_types, 0); |
692 | |
693 | //getLAnglebracket(in); //<subtype> |
694 | /* subfield */ |
695 | f = (field_t *)memAlloc(sizeof(field_t)); |
696 | sequence_push(&(t->fields),f); |
697 | parseFields(in, f, unnamed_types, named_types, 0); |
698 | |
699 | //getLAnglebracket(in); //<type sequence> |
700 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
701 | |
702 | //getLAnglebracket(in); //<type sequence> |
703 | |
704 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
705 | |
706 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
707 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
708 | switch(((field_t*)t->fields.array[0])->type->type) { |
709 | case UINT_FIXED : |
710 | case UCHAR : |
711 | case USHORT : |
712 | case UINT : |
713 | case ULONG : |
714 | case SIZE_T : |
715 | case OFF_T : |
716 | break; |
717 | default: |
718 | in->error(in, "Wrong length type for sequence"); |
719 | } |
90395b4b |
720 | |
721 | getLAnglebracket(in); //</sequence> |
722 | getForwardslash(in); |
723 | token = getName(in); |
724 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
725 | getRAnglebracket(in); //</sequence> |
726 | } |
727 | else if(strcmp(token,"enum") == 0) { |
f104d082 |
728 | char * str; |
729 | int value = -1; |
730 | |
90395b4b |
731 | t->type = ENUM; |
732 | sequence_init(&(t->labels)); |
f104d082 |
733 | sequence_init(&(t->labels_values)); |
90395b4b |
734 | sequence_init(&(t->labels_description)); |
735 | t->already_printed = 0; |
f104d082 |
736 | getTypeAttributes(in, t, unnamed_types, named_types); |
737 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
738 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
739 | //fox copy optimisation. |
740 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
741 | t->size = 0; |
90395b4b |
742 | getRAnglebracket(in); |
743 | |
744 | //<label name=label1 value=n/> |
745 | getLAnglebracket(in); |
746 | token = getToken(in); //"label" or "/" |
747 | while(strcmp("label",token) == 0){ |
f104d082 |
748 | int *label_value = malloc(sizeof(int)); |
749 | |
7b143580 |
750 | str = allocAndCopy(getNameAttribute(in)); |
90395b4b |
751 | token = getValueStrAttribute(in); |
f104d082 |
752 | |
753 | sequence_push(&(t->labels),str); |
754 | |
755 | if(token) value = strtol(token, NULL, 0); |
756 | else value++; |
757 | |
758 | *label_value = value; |
759 | sequence_push(&(t->labels_values), label_value); |
90395b4b |
760 | |
761 | getForwardslash(in); |
762 | getRAnglebracket(in); |
763 | |
764 | //read description if any. May be NULL. |
765 | str = allocAndCopy(getDescription(in)); |
766 | sequence_push(&(t->labels_description),str); |
767 | |
768 | //next label definition |
769 | getLAnglebracket(in); |
770 | token = getToken(in); //"label" or "/" |
771 | } |
772 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
773 | token = getName(in); |
774 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
775 | getRAnglebracket(in); //</label> |
776 | } |
f104d082 |
777 | else if(strcmp(token,"int_fixed") == 0) { |
778 | t->type = INT_FIXED; |
779 | getTypeAttributes(in, t, unnamed_types, named_types); |
780 | if(t->size == 0) in->error(in, "int has empty size"); |
781 | getForwardslash(in); |
782 | getRAnglebracket(in); |
783 | } |
784 | else if(strcmp(token,"uint_fixed") == 0) { |
785 | t->type = UINT_FIXED; |
786 | getTypeAttributes(in, t, unnamed_types, named_types); |
787 | if(t->size == 0) in->error(in, "uint has empty size"); |
788 | getForwardslash(in); |
789 | getRAnglebracket(in); |
790 | } |
791 | else if(strcmp(token,"char") == 0) { |
792 | t->type = CHAR; |
f104d082 |
793 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
794 | t->size = 1; |
f104d082 |
795 | getForwardslash(in); |
796 | getRAnglebracket(in); |
797 | } |
798 | else if(strcmp(token,"uchar") == 0) { |
799 | t->type = UCHAR; |
f104d082 |
800 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
801 | t->size = 1; |
f104d082 |
802 | getForwardslash(in); |
803 | getRAnglebracket(in); |
804 | } |
805 | else if(strcmp(token,"short") == 0) { |
806 | t->type = SHORT; |
f104d082 |
807 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
808 | t->size = 2; |
f104d082 |
809 | getForwardslash(in); |
810 | getRAnglebracket(in); |
811 | } |
812 | else if(strcmp(token,"ushort") == 0) { |
813 | t->type = USHORT; |
f104d082 |
814 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
815 | t->size = 2; |
f104d082 |
816 | getForwardslash(in); |
817 | getRAnglebracket(in); |
818 | } |
90395b4b |
819 | else if(strcmp(token,"int") == 0) { |
820 | t->type = INT; |
f104d082 |
821 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
822 | getForwardslash(in); |
823 | getRAnglebracket(in); |
824 | } |
825 | else if(strcmp(token,"uint") == 0) { |
826 | t->type = UINT; |
f104d082 |
827 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
828 | getForwardslash(in); |
829 | getRAnglebracket(in); |
830 | } |
f104d082 |
831 | |
90395b4b |
832 | else if(strcmp(token,"pointer") == 0) { |
833 | t->type = POINTER; |
f104d082 |
834 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
835 | getForwardslash(in); |
836 | getRAnglebracket(in); |
837 | } |
838 | else if(strcmp(token,"long") == 0) { |
839 | t->type = LONG; |
f104d082 |
840 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
841 | getForwardslash(in); |
842 | getRAnglebracket(in); |
843 | } |
844 | else if(strcmp(token,"ulong") == 0) { |
845 | t->type = ULONG; |
f104d082 |
846 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
847 | getForwardslash(in); |
848 | getRAnglebracket(in); |
849 | } |
850 | else if(strcmp(token,"size_t") == 0) { |
851 | t->type = SIZE_T; |
f104d082 |
852 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
853 | getForwardslash(in); |
854 | getRAnglebracket(in); |
855 | } |
856 | else if(strcmp(token,"ssize_t") == 0) { |
857 | t->type = SSIZE_T; |
f104d082 |
858 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
859 | getForwardslash(in); |
860 | getRAnglebracket(in); |
861 | } |
862 | else if(strcmp(token,"off_t") == 0) { |
863 | t->type = OFF_T; |
f104d082 |
864 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
865 | getForwardslash(in); |
866 | getRAnglebracket(in); |
867 | } |
868 | else if(strcmp(token,"float") == 0) { |
869 | t->type = FLOAT; |
f104d082 |
870 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
871 | getForwardslash(in); |
872 | getRAnglebracket(in); |
873 | } |
874 | else if(strcmp(token,"string") == 0) { |
875 | t->type = STRING; |
f104d082 |
876 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
877 | getForwardslash(in); |
878 | getRAnglebracket(in); |
879 | } |
880 | else if(strcmp(token,"typeref") == 0){ |
881 | // Must be a named type |
f104d082 |
882 | free(t); |
883 | sequence_pop(unnamed_types); |
884 | token = getNameAttribute(in); |
885 | t = find_named_type(token, named_types); |
886 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
887 | getForwardslash(in); //<typeref name=type_name/> |
888 | getRAnglebracket(in); |
889 | return t; |
90395b4b |
890 | }else in->error(in,"not a valid type"); |
891 | |
892 | return t; |
893 | } |
894 | |
895 | /***************************************************************************** |
896 | *Function name |
897 | * find_named_type : find a named type from hash table |
898 | *Input params |
899 | * name : type name |
900 | * named_types : array of named types |
901 | *Return values |
902 | * type_descriptor * : a type descriptor |
903 | *****************************************************************************/ |
904 | |
90699b2b |
905 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
90395b4b |
906 | { |
90699b2b |
907 | type_descriptor_t *t; |
90395b4b |
908 | |
909 | t = table_find(named_types,name); |
f104d082 |
910 | |
90395b4b |
911 | return t; |
f104d082 |
912 | } |
913 | |
914 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
915 | { |
916 | type_descriptor_t *t; |
917 | |
918 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
919 | t->type_name = allocAndCopy(name); |
920 | t->type = NONE; |
921 | t->fmt = NULL; |
922 | table_insert(named_types,t->type_name,t); |
923 | // table_insert(named_types,allocAndCopy(name),t); |
924 | return t; |
925 | } |
90395b4b |
926 | |
927 | /***************************************************************************** |
928 | *Function name |
929 | * parseTypeDefinition : get type information from type definition |
930 | *Input params |
931 | * in : input file handle |
932 | * unnamed_types : array of unamed types |
933 | * named_types : array of named types |
934 | *****************************************************************************/ |
935 | |
90699b2b |
936 | void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types, |
937 | table_t * named_types) |
90395b4b |
938 | { |
939 | char *token; |
90699b2b |
940 | type_descriptor_t *t; |
90395b4b |
941 | |
942 | token = getNameAttribute(in); |
943 | if(token == NULL) in->error(in, "Type has empty name"); |
f104d082 |
944 | t = create_named_type(token, named_types); |
90395b4b |
945 | |
946 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
947 | getRAnglebracket(in); //<type name=type_name> |
948 | getLAnglebracket(in); //< |
949 | token = getName(in); |
950 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
951 | ungetToken(in); |
952 | parseType(in,t, unnamed_types, named_types); |
953 | |
954 | //</type> |
955 | getLAnglebracket(in); |
956 | getForwardslash(in); |
957 | token = getName(in); |
958 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
959 | getRAnglebracket(in); //</type> |
960 | } |
961 | |
962 | /************************************************************************** |
963 | * Function : |
964 | * getComa, getName, getNumber, getEqual |
965 | * Description : |
966 | * Read a token from the input file, check its type, return it scontent. |
967 | * |
968 | * Parameters : |
969 | * in , input file handle. |
970 | * |
971 | * Return values : |
972 | * address of token content. |
973 | * |
974 | **************************************************************************/ |
975 | |
90699b2b |
976 | char *getName(parse_file_t * in) |
90395b4b |
977 | { |
978 | char *token; |
979 | |
980 | token = getToken(in); |
7b143580 |
981 | // Optional descriptions |
982 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
90395b4b |
983 | return token; |
984 | } |
985 | |
90699b2b |
986 | int getNumber(parse_file_t * in) |
90395b4b |
987 | { |
988 | char *token; |
989 | |
990 | token = getToken(in); |
991 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
992 | return atoi(token); |
993 | } |
994 | |
90699b2b |
995 | char *getForwardslash(parse_file_t * in) |
90395b4b |
996 | { |
997 | char *token; |
998 | |
999 | token = getToken(in); |
f104d082 |
1000 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1001 | /* Mathieu : final / is optional now. */ |
1002 | if(in->type != FORWARDSLASH) ungetToken(in); |
1003 | |
90395b4b |
1004 | return token; |
1005 | } |
1006 | |
90699b2b |
1007 | char *getLAnglebracket(parse_file_t * in) |
90395b4b |
1008 | { |
1009 | char *token; |
1010 | |
1011 | token = getToken(in); |
1012 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1013 | return token; |
1014 | } |
1015 | |
90699b2b |
1016 | char *getRAnglebracket(parse_file_t * in) |
90395b4b |
1017 | { |
1018 | char *token; |
1019 | |
1020 | token = getToken(in); |
1021 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1022 | return token; |
1023 | } |
1024 | |
90699b2b |
1025 | char *getQuotedString(parse_file_t * in) |
90395b4b |
1026 | { |
1027 | char *token; |
1028 | |
1029 | token = getToken(in); |
1030 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1031 | return token; |
1032 | } |
1033 | |
90699b2b |
1034 | char * getEqual(parse_file_t *in) |
90395b4b |
1035 | { |
1036 | char *token; |
1037 | |
1038 | token = getToken(in); |
1039 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1040 | return token; |
1041 | } |
1042 | |
90699b2b |
1043 | char seekNextChar(parse_file_t *in) |
90395b4b |
1044 | { |
1045 | char car; |
1046 | while((car = getc(in->fp)) != EOF) { |
1047 | if(!isspace(car)){ |
1048 | ungetc(car,in->fp); |
1049 | return car; |
1050 | } |
1051 | } |
1052 | return EOF; |
1053 | } |
1054 | |
1055 | /****************************************************************** |
1056 | * Function : |
1057 | * getToken, ungetToken |
1058 | * Description : |
1059 | * Read a token from the input file and return its type and content. |
1060 | * Line numbers are accounted for and whitespace/comments are skipped. |
1061 | * |
1062 | * Parameters : |
1063 | * in, input file handle. |
1064 | * |
1065 | * Return values : |
1066 | * address of token content. |
1067 | * |
1068 | ******************************************************************/ |
1069 | |
90699b2b |
1070 | void ungetToken(parse_file_t * in) |
90395b4b |
1071 | { |
1072 | in->unget = 1; |
1073 | } |
1074 | |
90699b2b |
1075 | char *getToken(parse_file_t * in) |
90395b4b |
1076 | { |
1077 | FILE *fp = in->fp; |
1078 | char car, car1; |
1079 | int pos = 0, escaped; |
1080 | |
1081 | if(in->unget == 1) { |
1082 | in->unget = 0; |
1083 | return in->buffer; |
1084 | } |
1085 | |
1086 | /* skip whitespace and comments */ |
1087 | |
1088 | while((car = getc(fp)) != EOF) { |
1089 | if(car == '/') { |
1090 | car1 = getc(fp); |
1091 | if(car1 == '*') skipComment(in); |
1092 | else if(car1 == '/') skipEOL(in); |
1093 | else { |
1094 | car1 = ungetc(car1,fp); |
1095 | break; |
1096 | } |
1097 | } |
1098 | else if(car == '\n') in->lineno++; |
1099 | else if(!isspace(car)) break; |
1100 | } |
1101 | |
1102 | switch(car) { |
1103 | case EOF: |
1104 | in->type = ENDFILE; |
1105 | break; |
1106 | case '/': |
1107 | in->type = FORWARDSLASH; |
1108 | in->buffer[pos] = car; |
1109 | pos++; |
1110 | break; |
1111 | case '<': |
1112 | in->type = LANGLEBRACKET; |
1113 | in->buffer[pos] = car; |
1114 | pos++; |
1115 | break; |
1116 | case '>': |
1117 | in->type = RANGLEBRACKET; |
1118 | in->buffer[pos] = car; |
1119 | pos++; |
1120 | break; |
1121 | case '=': |
1122 | in->type = EQUAL; |
1123 | in->buffer[pos] = car; |
1124 | pos++; |
1125 | break; |
1126 | case '"': |
1127 | escaped = 0; |
1128 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1129 | if(car == '\\' && escaped == 0) { |
1130 | in->buffer[pos] = car; |
1131 | pos++; |
1132 | escaped = 1; |
1133 | continue; |
1134 | } |
1135 | if(car == '"' && escaped == 0) break; |
1136 | if(car == '\n' && escaped == 0) { |
1137 | in->error(in, "non escaped newline inside quoted string"); |
1138 | } |
1139 | if(car == '\n') in->lineno++; |
1140 | in->buffer[pos] = car; |
1141 | pos++; |
1142 | escaped = 0; |
1143 | } |
1144 | if(car == EOF) in->error(in,"no ending quotemark"); |
1145 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1146 | in->type = QUOTEDSTRING; |
1147 | break; |
1148 | default: |
1149 | if(isdigit(car)) { |
1150 | in->buffer[pos] = car; |
1151 | pos++; |
1152 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1153 | if(!isdigit(car)) { |
1154 | ungetc(car,fp); |
1155 | break; |
1156 | } |
1157 | in->buffer[pos] = car; |
1158 | pos++; |
1159 | } |
1160 | if(car == EOF) ungetc(car,fp); |
1161 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1162 | in->type = NUMBER; |
1163 | } |
7b143580 |
1164 | else if(isalnum(car) || car == '_' || car == '-') { |
90395b4b |
1165 | in->buffer[0] = car; |
1166 | pos = 1; |
1167 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
7b143580 |
1168 | if(!(isalnum(car) || car == '_' || car == '-')) { |
90395b4b |
1169 | ungetc(car,fp); |
1170 | break; |
1171 | } |
1172 | in->buffer[pos] = car; |
1173 | pos++; |
1174 | } |
1175 | if(car == EOF) ungetc(car,fp); |
1176 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1177 | in->type = NAME; |
1178 | } |
1179 | else in->error(in, "invalid character, unrecognized token"); |
1180 | } |
1181 | in->buffer[pos] = 0; |
1182 | return in->buffer; |
1183 | } |
1184 | |
90699b2b |
1185 | void skipComment(parse_file_t * in) |
90395b4b |
1186 | { |
1187 | char car; |
1188 | while((car = getc(in->fp)) != EOF) { |
1189 | if(car == '\n') in->lineno++; |
1190 | else if(car == '*') { |
1191 | car = getc(in->fp); |
1192 | if(car ==EOF) break; |
1193 | if(car == '/') return; |
1194 | ungetc(car,in->fp); |
1195 | } |
1196 | } |
1197 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1198 | } |
1199 | |
90699b2b |
1200 | void skipEOL(parse_file_t * in) |
90395b4b |
1201 | { |
1202 | char car; |
1203 | while((car = getc(in->fp)) != EOF) { |
1204 | if(car == '\n') { |
1205 | ungetc(car,in->fp); |
1206 | break; |
1207 | } |
1208 | } |
1209 | if(car == EOF)ungetc(car, in->fp); |
1210 | } |
1211 | |
1212 | /***************************************************************************** |
1213 | *Function name |
1214 | * checkNamedTypesImplemented : check if all named types have definition |
1215 | ****************************************************************************/ |
1216 | |
90699b2b |
1217 | void checkNamedTypesImplemented(table_t * named_types) |
90395b4b |
1218 | { |
90699b2b |
1219 | type_descriptor_t *t; |
90395b4b |
1220 | int pos; |
1221 | char str[256]; |
1222 | |
1223 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
90699b2b |
1224 | t = (type_descriptor_t *) named_types->values.array[pos]; |
90395b4b |
1225 | if(t->type == NONE){ |
90699b2b |
1226 | sprintf(str,"named type '%s' has no definition", |
1227 | (char*)named_types->keys.array[pos]); |
90395b4b |
1228 | error_callback(NULL,str); |
1229 | } |
1230 | } |
1231 | } |
1232 | |
1233 | |
1234 | /***************************************************************************** |
1235 | *Function name |
1236 | * generateChecksum : generate checksum for the facility |
1237 | *Input Params |
1238 | * facName : name of facility |
1239 | *Output Params |
1240 | * checksum : checksum for the facility |
1241 | ****************************************************************************/ |
1242 | |
90699b2b |
1243 | void generateChecksum(char* facName, |
f104d082 |
1244 | unsigned int * checksum, sequence_t * events) |
90395b4b |
1245 | { |
1246 | unsigned long crc ; |
1247 | int pos; |
90699b2b |
1248 | event_t * ev; |
2312de30 |
1249 | unsigned int i; |
90395b4b |
1250 | |
1251 | crc = crc32(facName); |
1252 | for(pos = 0; pos < events->position; pos++){ |
90699b2b |
1253 | ev = (event_t *)(events->array[pos]); |
f104d082 |
1254 | crc = partial_crc32(ev->name, crc); |
2312de30 |
1255 | for(i = 0; i < ev->fields.position; i++) { |
f104d082 |
1256 | field_t *f = (field_t*)ev->fields.array[i]; |
1257 | crc = partial_crc32(f->name, crc); |
1258 | crc = getTypeChecksum(crc, f->type); |
1259 | } |
90395b4b |
1260 | } |
1261 | *checksum = crc; |
1262 | } |
1263 | |
1264 | /***************************************************************************** |
1265 | *Function name |
1266 | * getTypeChecksum : generate checksum by type info |
1267 | *Input Params |
1268 | * crc : checksum generated so far |
1269 | * type : type descriptor containing type info |
1270 | *Return value |
1271 | * unsigned long : checksum |
1272 | *****************************************************************************/ |
1273 | |
90699b2b |
1274 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
90395b4b |
1275 | { |
1276 | unsigned long crc = aCrc; |
1277 | char * str = NULL, buf[16]; |
1278 | int flag = 0, pos; |
90699b2b |
1279 | field_t * fld; |
90395b4b |
1280 | |
1281 | switch(type->type){ |
f104d082 |
1282 | case INT_FIXED: |
1283 | str = intOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1284 | break; |
f104d082 |
1285 | case UINT_FIXED: |
1286 | str = uintOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1287 | break; |
1288 | case POINTER: |
1289 | str = allocAndCopy("void *"); |
1290 | flag = 1; |
1291 | break; |
f104d082 |
1292 | case CHAR: |
1293 | str = allocAndCopy("signed char"); |
1294 | flag = 1; |
1295 | break; |
1296 | case UCHAR: |
1297 | str = allocAndCopy("unsigned char"); |
1298 | flag = 1; |
1299 | break; |
1300 | case SHORT: |
1301 | str = allocAndCopy("short"); |
1302 | flag = 1; |
1303 | break; |
1304 | case USHORT: |
1305 | str = allocAndCopy("unsigned short"); |
1306 | flag = 1; |
1307 | break; |
1308 | case INT: |
1309 | str = allocAndCopy("int"); |
1310 | flag = 1; |
1311 | break; |
1312 | case UINT: |
1313 | str = allocAndCopy("uint"); |
1314 | flag = 1; |
1315 | break; |
90395b4b |
1316 | case LONG: |
1317 | str = allocAndCopy("long"); |
1318 | flag = 1; |
1319 | break; |
1320 | case ULONG: |
1321 | str = allocAndCopy("unsigned long"); |
1322 | flag = 1; |
1323 | break; |
1324 | case SIZE_T: |
1325 | str = allocAndCopy("size_t"); |
1326 | flag = 1; |
1327 | break; |
1328 | case SSIZE_T: |
1329 | str = allocAndCopy("ssize_t"); |
1330 | flag = 1; |
1331 | break; |
1332 | case OFF_T: |
1333 | str = allocAndCopy("off_t"); |
1334 | flag = 1; |
1335 | break; |
1336 | case FLOAT: |
f104d082 |
1337 | str = floatOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1338 | break; |
1339 | case STRING: |
1340 | str = allocAndCopy("string"); |
1341 | flag = 1; |
1342 | break; |
1343 | case ENUM: |
f104d082 |
1344 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1345 | str = allocAndCopy("enum"); |
90395b4b |
1346 | flag = 1; |
1347 | break; |
1348 | case ARRAY: |
f104d082 |
1349 | sprintf(buf,"%zu", type->size); |
90395b4b |
1350 | str = appendString("array ",buf); |
1351 | flag = 1; |
1352 | break; |
1353 | case SEQUENCE: |
743e50fd |
1354 | str = allocAndCopy("sequence "); |
90395b4b |
1355 | flag = 1; |
1356 | break; |
1357 | case STRUCT: |
1358 | str = allocAndCopy("struct"); |
1359 | flag = 1; |
1360 | break; |
1361 | case UNION: |
1362 | str = allocAndCopy("union"); |
1363 | flag = 1; |
1364 | break; |
1365 | default: |
1366 | error_callback(NULL, "named type has no definition"); |
1367 | break; |
1368 | } |
1369 | |
1370 | crc = partial_crc32(str,crc); |
1371 | if(flag) free(str); |
1372 | |
1373 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1374 | |
f104d082 |
1375 | if(type->type == ARRAY){ |
1376 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1377 | } else if(type->type ==SEQUENCE) { |
1378 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1379 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1380 | } else if(type->type == STRUCT || type->type == UNION){ |
90395b4b |
1381 | for(pos =0; pos < type->fields.position; pos++){ |
90699b2b |
1382 | fld = (field_t *) type->fields.array[pos]; |
90395b4b |
1383 | crc = partial_crc32(fld->name,crc); |
1384 | crc = getTypeChecksum(crc, fld->type); |
1385 | } |
1386 | }else if(type->type == ENUM){ |
1387 | for(pos = 0; pos < type->labels.position; pos++) |
1388 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1389 | } |
1390 | |
1391 | return crc; |
1392 | } |
1393 | |
1394 | |
1395 | /* Event type descriptors */ |
90699b2b |
1396 | void freeType(type_descriptor_t * tp) |
90395b4b |
1397 | { |
1398 | int pos2; |
90699b2b |
1399 | field_t *f; |
90395b4b |
1400 | |
1401 | if(tp->fmt != NULL) free(tp->fmt); |
1402 | if(tp->type == ENUM) { |
1403 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1404 | free(tp->labels.array[pos2]); |
1405 | } |
1406 | sequence_dispose(&(tp->labels)); |
f104d082 |
1407 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1408 | free(tp->labels_values.array[pos2]); |
1409 | } |
1410 | sequence_dispose(&(tp->labels_values)); |
90395b4b |
1411 | } |
1412 | if(tp->type == STRUCT) { |
1413 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
90699b2b |
1414 | f = (field_t *) tp->fields.array[pos2]; |
90395b4b |
1415 | free(f->name); |
1416 | free(f->description); |
1417 | free(f); |
1418 | } |
1419 | sequence_dispose(&(tp->fields)); |
1420 | } |
1421 | } |
1422 | |
90699b2b |
1423 | void freeNamedType(table_t * t) |
90395b4b |
1424 | { |
1425 | int pos; |
90699b2b |
1426 | type_descriptor_t * td; |
90395b4b |
1427 | |
1428 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1429 | free((char *)t->keys.array[pos]); |
90699b2b |
1430 | td = (type_descriptor_t*)t->values.array[pos]; |
90395b4b |
1431 | freeType(td); |
1432 | free(td); |
1433 | } |
1434 | } |
1435 | |
90699b2b |
1436 | void freeTypes(sequence_t *t) |
90395b4b |
1437 | { |
a0c1f622 |
1438 | int pos; |
90699b2b |
1439 | type_descriptor_t *tp; |
90395b4b |
1440 | |
1441 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1442 | tp = (type_descriptor_t *)t->array[pos]; |
90395b4b |
1443 | freeType(tp); |
1444 | free(tp); |
1445 | } |
1446 | } |
1447 | |
90699b2b |
1448 | void freeEvents(sequence_t *t) |
90395b4b |
1449 | { |
1450 | int pos; |
90699b2b |
1451 | event_t *ev; |
90395b4b |
1452 | |
1453 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1454 | ev = (event_t *) t->array[pos]; |
90395b4b |
1455 | free(ev->name); |
1456 | free(ev->description); |
f104d082 |
1457 | sequence_dispose(&ev->fields); |
90395b4b |
1458 | free(ev); |
1459 | } |
1460 | |
1461 | } |
1462 | |
1463 | |
1464 | /* Extensible array */ |
1465 | |
90699b2b |
1466 | void sequence_init(sequence_t *t) |
90395b4b |
1467 | { |
1468 | t->size = 10; |
1469 | t->position = 0; |
1470 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1471 | } |
1472 | |
90699b2b |
1473 | void sequence_dispose(sequence_t *t) |
90395b4b |
1474 | { |
1475 | t->size = 0; |
1476 | free(t->array); |
1477 | t->array = NULL; |
1478 | } |
1479 | |
90699b2b |
1480 | void sequence_push(sequence_t *t, void *elem) |
90395b4b |
1481 | { |
1482 | void **tmp; |
1483 | |
1484 | if(t->position >= t->size) { |
1485 | tmp = t->array; |
1486 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1487 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1488 | t->size = t->size * 2; |
1489 | free(tmp); |
1490 | } |
1491 | t->array[t->position] = elem; |
1492 | t->position++; |
1493 | } |
1494 | |
90699b2b |
1495 | void *sequence_pop(sequence_t *t) |
90395b4b |
1496 | { |
1497 | return t->array[t->position--]; |
1498 | } |
1499 | |
1500 | |
1501 | /* Hash table API, implementation is just linear search for now */ |
1502 | |
90699b2b |
1503 | void table_init(table_t *t) |
90395b4b |
1504 | { |
1505 | sequence_init(&(t->keys)); |
1506 | sequence_init(&(t->values)); |
1507 | } |
1508 | |
90699b2b |
1509 | void table_dispose(table_t *t) |
90395b4b |
1510 | { |
1511 | sequence_dispose(&(t->keys)); |
1512 | sequence_dispose(&(t->values)); |
1513 | } |
1514 | |
90699b2b |
1515 | void table_insert(table_t *t, char *key, void *value) |
90395b4b |
1516 | { |
1517 | sequence_push(&(t->keys),key); |
1518 | sequence_push(&(t->values),value); |
1519 | } |
1520 | |
90699b2b |
1521 | void *table_find(table_t *t, char *key) |
90395b4b |
1522 | { |
1523 | int pos; |
1524 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1525 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1526 | return(t->values.array[pos]); |
1527 | } |
1528 | return NULL; |
1529 | } |
1530 | |
90699b2b |
1531 | void table_insert_int(table_t *t, int *key, void *value) |
90395b4b |
1532 | { |
1533 | sequence_push(&(t->keys),key); |
1534 | sequence_push(&(t->values),value); |
1535 | } |
1536 | |
90699b2b |
1537 | void *table_find_int(table_t *t, int *key) |
90395b4b |
1538 | { |
1539 | int pos; |
1540 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1541 | if(*key == *(int *)t->keys.array[pos]) |
1542 | return(t->values.array[pos]); |
1543 | } |
1544 | return NULL; |
1545 | } |
1546 | |
1547 | |
1548 | /* Concatenate strings */ |
1549 | |
1550 | char *appendString(char *s, char *suffix) |
1551 | { |
1552 | char *tmp; |
1553 | if(suffix == NULL) return s; |
1554 | |
1555 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1556 | strcpy(tmp,s); |
1557 | strcat(tmp,suffix); |
1558 | return tmp; |
1559 | } |