90395b4b |
1 | /* |
0dee0e75 |
2 | |
3 | parser.c: Generate helper declarations and functions to trace events |
4 | from an event description file. |
5 | |
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 |
10 | it under the terms of the GNU General Public License as published by |
11 | the Free Software Foundation; version 2 of the License. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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 | */ |
90395b4b |
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> |
90395b4b |
43 | |
44 | #include "parser.h" |
45 | |
46 | |
f104d082 |
47 | char *intOutputTypes[] = { |
48 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
a0c1f622 |
49 | |
f104d082 |
50 | char *uintOutputTypes[] = { |
51 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
a0c1f622 |
52 | |
f104d082 |
53 | char *floatOutputTypes[] = { |
54 | "undef", "undef", "float", "double" }; |
a0c1f622 |
55 | |
56 | |
57 | |
58 | |
90395b4b |
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 | |
f104d082 |
71 | int getSizeindex(unsigned int value) |
90395b4b |
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 | |
f104d082 |
97 | unsigned long long int getSize(parse_file_t *in) |
90395b4b |
98 | { |
01e5c8ac |
99 | char *token, *token2; |
83e160f2 |
100 | unsigned long long int ret; |
90395b4b |
101 | |
102 | token = getToken(in); |
01e5c8ac |
103 | |
104 | |
105 | if(in->type == QUOTEDSTRING) { |
106 | in->type = NUMBER; |
107 | token2 = token; |
108 | do { |
109 | if (!isdigit(*token2)) { |
110 | in->type = QUOTEDSTRING; |
111 | break; |
112 | } |
113 | } while (*(++token2) != '\0'); |
114 | } |
115 | |
90395b4b |
116 | if(in->type == NUMBER) { |
9f2d599d |
117 | ret = strtoull(token, NULL, 0); |
118 | } else { |
119 | goto error; |
120 | } |
9f2d599d |
121 | |
122 | return ret; |
123 | error: |
90395b4b |
124 | in->error(in,"incorrect size specification"); |
125 | return -1; |
126 | } |
127 | |
128 | /***************************************************************************** |
129 | *Function name |
130 | * error_callback : print out error info |
131 | *Input params |
132 | * in : input file handle |
133 | * msg : message to be printed |
134 | ****************************************************************************/ |
135 | |
90699b2b |
136 | void error_callback(parse_file_t *in, char *msg) |
90395b4b |
137 | { |
138 | if(in) |
139 | printf("Error in file %s, line %d: %s\n", in->name, in->lineno, msg); |
140 | else |
141 | printf("%s\n",msg); |
142 | assert(0); |
143 | exit(1); |
144 | } |
145 | |
146 | /***************************************************************************** |
147 | *Function name |
148 | * memAlloc : allocate memory |
149 | *Input params |
150 | * size : required memory size |
151 | *return value |
152 | * void * : pointer to allocate memory or NULL |
153 | ****************************************************************************/ |
154 | |
155 | void * memAlloc(int size) |
156 | { |
157 | void * addr; |
158 | if(size == 0) return NULL; |
159 | addr = malloc(size); |
160 | if(!addr){ |
161 | printf("Failed to allocate memory"); |
162 | exit(1); |
163 | } |
164 | return addr; |
165 | } |
166 | |
167 | /***************************************************************************** |
168 | *Function name |
169 | * allocAndCopy : allocate memory and initialize it |
170 | *Input params |
171 | * str : string to be put in memory |
172 | *return value |
173 | * char * : pointer to allocate memory or NULL |
174 | ****************************************************************************/ |
175 | |
176 | char *allocAndCopy(char *str) |
177 | { |
178 | char * addr; |
179 | if(str == NULL) return NULL; |
180 | addr = (char *)memAlloc(strlen(str)+1); |
181 | strcpy(addr,str); |
182 | return addr; |
183 | } |
184 | |
185 | /************************************************************************** |
186 | * Function : |
187 | * getTypeAttributes |
188 | * Description : |
189 | * Read the attribute from the input file. |
190 | * |
191 | * Parameters : |
192 | * in , input file handle. |
193 | * t , the type descriptor to fill. |
194 | * |
195 | **************************************************************************/ |
196 | |
f104d082 |
197 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
dd3a6d39 |
198 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
199 | { |
200 | char * token; |
83e160f2 |
201 | int car; |
90395b4b |
202 | |
203 | t->fmt = NULL; |
f104d082 |
204 | t->size = 0; |
7df766d3 |
205 | t->custom_write = 0; |
dd3a6d39 |
206 | t->network = 0; |
90395b4b |
207 | |
208 | while(1) { |
209 | token = getToken(in); |
210 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
211 | ungetToken(in); |
212 | break; |
213 | } |
214 | |
215 | if(!strcmp("format",token)) { |
216 | getEqual(in); |
217 | t->fmt = allocAndCopy(getQuotedString(in)); |
218 | //} else if(!strcmp("name",token)) { |
219 | // getEqual(in); |
220 | // car = seekNextChar(in); |
221 | // if(car == EOF) in->error(in,"name was expected"); |
222 | // else if(car == '\"') t->type_name = allocAndCopy(getQuotedString(in)); |
223 | // else t->type_name = allocAndCopy(getName(in)); |
224 | } else if(!strcmp("size",token)) { |
225 | getEqual(in); |
226 | t->size = getSize(in); |
7df766d3 |
227 | } else if(!strcmp("custom_write", token)) { |
228 | t->custom_write = 1; |
dd3a6d39 |
229 | } else if(!strcmp("byte_order",token)) { |
230 | getEqual(in); |
231 | car = seekNextChar(in); |
232 | if(car == EOF) in->error(in,"byte order was expected (network?)"); |
233 | else if(car == '\"') token = getQuotedString(in); |
234 | else token = getName(in); |
235 | if(!strcmp("network", token)) { |
236 | t->network = 1; |
237 | } |
238 | } else if(!strcmp("write",token)) { |
239 | getEqual(in); |
240 | car = seekNextChar(in); |
241 | if(car == EOF) in->error(in,"write type was expected (custom?)"); |
242 | else if(car == '\"') token = getQuotedString(in); |
243 | else token = getName(in); |
244 | if(!strcmp("custom", token)) { |
245 | t->custom_write = 1; |
246 | } |
247 | } |
248 | } |
90395b4b |
249 | } |
250 | |
251 | /************************************************************************** |
252 | * Function : |
253 | * getEventAttributes |
254 | * Description : |
255 | * Read the attribute from the input file. |
256 | * |
257 | * Parameters : |
258 | * in , input file handle. |
259 | * ev , the event to fill. |
260 | * |
261 | **************************************************************************/ |
262 | |
90699b2b |
263 | void getEventAttributes(parse_file_t *in, event_t *ev) |
90395b4b |
264 | { |
265 | char * token; |
83e160f2 |
266 | int car; |
90395b4b |
267 | |
268 | ev->name = NULL; |
269 | ev->per_trace = 0; |
270 | ev->per_tracefile = 0; |
f5c61f8d |
271 | ev->param_buffer = 0; |
f0aad545 |
272 | ev->no_instrument_function = 0; |
273 | ev->high_priority = 0; |
dd3a6d39 |
274 | ev->force = 0; |
275 | ev->compact_data = 0; |
90395b4b |
276 | |
277 | while(1) { |
278 | token = getToken(in); |
279 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
280 | ungetToken(in); |
281 | break; |
282 | } |
283 | |
284 | if(!strcmp("name",token)) { |
285 | getEqual(in); |
286 | car = seekNextChar(in); |
287 | if(car == EOF) in->error(in,"name was expected"); |
288 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
289 | else ev->name = allocAndCopy(getName(in)); |
01e5c8ac |
290 | } else if(!strcmp("scope", token)) { |
f0aad545 |
291 | getEqual(in); |
292 | car = seekNextChar(in); |
293 | if(car == EOF) in->error(in,"scope was expected"); |
01e5c8ac |
294 | else if(car == '\"') token = getQuotedString(in); |
295 | else token = getName(in); |
f0aad545 |
296 | if(!strcmp(token, "trace")) ev->per_trace = 1; |
297 | else if(!strcmp(token, "tracefile")) ev->per_tracefile = 1; |
298 | } else if(!strcmp("param", token)) { |
299 | getEqual(in); |
300 | car = seekNextChar(in); |
301 | if(car == EOF) in->error(in,"parameter type was expected"); |
01e5c8ac |
302 | else if(car == '\"') token = getQuotedString(in); |
303 | else token = getName(in); |
f0aad545 |
304 | if(!strcmp(token, "buffer")) ev->param_buffer = 1; |
305 | } else if(!strcmp("attribute", token)) { |
306 | getEqual(in); |
307 | car = seekNextChar(in); |
308 | if(car == EOF) in->error(in,"attribute was expected"); |
01e5c8ac |
309 | else if(car == '\"') token = getQuotedString(in); |
310 | else token = getName(in); |
f0aad545 |
311 | if(!strcmp(token, "no_instrument_function")) |
312 | ev->no_instrument_function = 1; |
313 | else if(!strcmp(token, "high_priority")) |
314 | ev->high_priority = 1; |
dd3a6d39 |
315 | else if(!strcmp(token, "force")) |
316 | ev->force = 1; |
317 | else if(!strcmp(token, "compact_data")) |
318 | ev->compact_data = 1; |
01e5c8ac |
319 | } |
90395b4b |
320 | } |
321 | } |
322 | |
323 | /************************************************************************** |
324 | * Function : |
325 | * getFacilityAttributes |
326 | * Description : |
327 | * Read the attribute from the input file. |
328 | * |
329 | * Parameters : |
330 | * in , input file handle. |
331 | * fac , the facility to fill. |
332 | * |
333 | **************************************************************************/ |
334 | |
90699b2b |
335 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
90395b4b |
336 | { |
337 | char * token; |
83e160f2 |
338 | int car; |
90395b4b |
339 | |
340 | fac->name = NULL; |
f5d7967f |
341 | fac->arch = NULL; |
dd3a6d39 |
342 | fac->align = 1; |
343 | fac->user = 0; |
90395b4b |
344 | |
345 | while(1) { |
346 | token = getToken(in); |
347 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
348 | ungetToken(in); |
349 | break; |
350 | } |
351 | |
352 | if(!strcmp("name",token)) { |
353 | getEqual(in); |
354 | car = seekNextChar(in); |
355 | if(car == EOF) in->error(in,"name was expected"); |
356 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
357 | else fac->name = allocAndCopy(getName(in)); |
01e5c8ac |
358 | if(!strncmp(fac->name, "user_", sizeof("user_")-1)) |
383d64da |
359 | fac->user = 1; |
f5d7967f |
360 | } else if(!strcmp("arch", token)) { |
361 | getEqual(in); |
362 | car = seekNextChar(in); |
01e5c8ac |
363 | if(car == '\"') fac->arch = allocAndCopy(getQuotedString(in)); |
dd3a6d39 |
364 | else fac->arch = allocAndCopy(getName(in)); |
365 | } else if(!strcmp("align", token)) { |
366 | getEqual(in); |
367 | fac->align = getSize(in); |
368 | } |
369 | |
90395b4b |
370 | } |
371 | } |
372 | |
373 | /************************************************************************** |
374 | * Function : |
375 | * getFieldAttributes |
376 | * Description : |
377 | * Read the attribute from the input file. |
378 | * |
379 | * Parameters : |
380 | * in , input file handle. |
381 | * f , the field to fill. |
382 | * |
383 | **************************************************************************/ |
384 | |
90699b2b |
385 | void getFieldAttributes(parse_file_t *in, field_t *f) |
90395b4b |
386 | { |
387 | char * token; |
83e160f2 |
388 | int car; |
90395b4b |
389 | |
390 | f->name = NULL; |
391 | |
392 | while(1) { |
393 | token = getToken(in); |
394 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
395 | ungetToken(in); |
396 | break; |
397 | } |
398 | |
399 | if(!strcmp("name",token)) { |
400 | getEqual(in); |
401 | car = seekNextChar(in); |
402 | if(car == EOF) in->error(in,"name was expected"); |
403 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
404 | else f->name = allocAndCopy(getName(in)); |
405 | } |
f0b795e0 |
406 | } |
90395b4b |
407 | } |
408 | |
90699b2b |
409 | char *getNameAttribute(parse_file_t *in) |
90395b4b |
410 | { |
411 | char * token; |
412 | char *name = NULL; |
83e160f2 |
413 | int car; |
90395b4b |
414 | |
415 | while(1) { |
416 | token = getToken(in); |
90395b4b |
417 | if(!strcmp("name",token)) { |
418 | getEqual(in); |
419 | car = seekNextChar(in); |
420 | if(car == EOF) in->error(in,"name was expected"); |
421 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
422 | else name = allocAndCopy(getName(in)); |
0dee0e75 |
423 | } else { |
424 | ungetToken(in); |
425 | break; |
90395b4b |
426 | } |
0dee0e75 |
427 | |
90395b4b |
428 | } |
429 | if(name == NULL) in->error(in, "Name was expected"); |
430 | return name; |
90395b4b |
431 | } |
432 | |
433 | |
434 | |
01e5c8ac |
435 | //for <label name=label_name value=n format="...">, value is an option |
9f2d599d |
436 | //Return value : 0 : no value, 1 : has a value |
437 | int getValueAttribute(parse_file_t *in, long long *value) |
90395b4b |
438 | { |
01e5c8ac |
439 | char * token, *token2; |
90395b4b |
440 | |
01e5c8ac |
441 | token = getToken(in); |
442 | |
443 | if(strcmp("/",token) == 0 || strcmp(">", token) == 0){ |
90395b4b |
444 | ungetToken(in); |
9f2d599d |
445 | return 0; |
90395b4b |
446 | } |
90395b4b |
447 | if(strcmp("value",token))in->error(in,"value was expected"); |
01e5c8ac |
448 | |
90395b4b |
449 | getEqual(in); |
450 | token = getToken(in); |
9f2d599d |
451 | |
01e5c8ac |
452 | if(in->type == QUOTEDSTRING) { |
453 | in->type = NUMBER; |
454 | token2 = token; |
455 | do { |
456 | if (!isdigit(*token2)) { |
457 | in->type = QUOTEDSTRING; |
458 | break; |
459 | } |
460 | } while (*(++token2) != '\0'); |
461 | } |
462 | |
463 | if(in->type == NUMBER) |
9f2d599d |
464 | *value = strtoll(token, NULL, 0); |
01e5c8ac |
465 | else |
9f2d599d |
466 | goto error; |
9f2d599d |
467 | return 1; |
9f2d599d |
468 | error: |
469 | in->error(in,"incorrect size specification"); |
470 | return 0; |
90395b4b |
471 | } |
472 | |
90699b2b |
473 | char * getDescription(parse_file_t *in) |
90395b4b |
474 | { |
475 | long int pos; |
83e160f2 |
476 | char * token, *str; |
477 | int car; |
90395b4b |
478 | |
479 | pos = ftell(in->fp); |
480 | |
481 | getLAnglebracket(in); |
482 | token = getName(in); |
483 | if(strcmp("description",token)){ |
484 | fseek(in->fp, pos, SEEK_SET); |
485 | return NULL; |
486 | } |
487 | |
488 | getRAnglebracket(in); |
489 | |
490 | pos = 0; |
491 | while((car = getc(in->fp)) != EOF) { |
492 | if(car == '<') break; |
493 | if(car == '\0') continue; |
494 | in->buffer[pos] = car; |
495 | pos++; |
496 | } |
497 | if(car == EOF)in->error(in,"not a valid description"); |
498 | in->buffer[pos] = '\0'; |
499 | |
500 | str = allocAndCopy(in->buffer); |
501 | |
502 | getForwardslash(in); |
503 | token = getName(in); |
504 | if(strcmp("description", token))in->error(in,"not a valid description"); |
505 | getRAnglebracket(in); |
506 | |
507 | return str; |
508 | } |
509 | |
510 | /***************************************************************************** |
511 | *Function name |
512 | * parseFacility : generate event list |
513 | *Input params |
514 | * in : input file handle |
515 | * fac : empty facility |
516 | *Output params |
517 | * fac : facility filled with event list |
518 | ****************************************************************************/ |
519 | |
90699b2b |
520 | void parseFacility(parse_file_t *in, facility_t * fac) |
90395b4b |
521 | { |
522 | char * token; |
90699b2b |
523 | event_t *ev; |
90395b4b |
524 | |
525 | getFacilityAttributes(in, fac); |
526 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
f5d7967f |
527 | |
90395b4b |
528 | fac->capname = allocAndCopy(fac->name); |
529 | strupper(fac->capname); |
530 | getRAnglebracket(in); |
531 | |
532 | fac->description = getDescription(in); |
533 | |
534 | while(1){ |
535 | getLAnglebracket(in); |
536 | |
537 | token = getToken(in); |
538 | if(in->type == ENDFILE) |
539 | in->error(in,"the definition of the facility is not finished"); |
540 | |
541 | if(strcmp("event",token) == 0){ |
90699b2b |
542 | ev = (event_t*) memAlloc(sizeof(event_t)); |
90395b4b |
543 | sequence_push(&(fac->events),ev); |
dd3a6d39 |
544 | parseEvent(fac, in, ev, &(fac->unnamed_types), &(fac->named_types)); |
90395b4b |
545 | }else if(strcmp("type",token) == 0){ |
dd3a6d39 |
546 | parseTypeDefinition(fac, in, &(fac->unnamed_types), &(fac->named_types)); |
90395b4b |
547 | }else if(in->type == FORWARDSLASH){ |
548 | break; |
549 | }else in->error(in,"event or type token expected\n"); |
550 | } |
551 | |
552 | token = getName(in); |
553 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
554 | getRAnglebracket(in); //</facility> |
555 | } |
556 | |
557 | /***************************************************************************** |
558 | *Function name |
559 | * parseEvent : generate event from event definition |
dd3a6d39 |
560 | *Input params |
561 | * fac : facility holding the event |
90395b4b |
562 | * in : input file handle |
563 | * ev : new event |
564 | * unnamed_types : array of unamed types |
565 | * named_types : array of named types |
566 | *Output params |
567 | * ev : new event (parameters are passed to it) |
568 | ****************************************************************************/ |
569 | |
dd3a6d39 |
570 | void parseEvent(facility_t *fac, parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
90699b2b |
571 | table_t * named_types) |
90395b4b |
572 | { |
573 | char *token; |
f104d082 |
574 | field_t *f; |
90395b4b |
575 | |
dd3a6d39 |
576 | ev->fac = fac; |
f104d082 |
577 | sequence_init(&(ev->fields)); |
90395b4b |
578 | //<event name=eventtype_name> |
579 | getEventAttributes(in, ev); |
580 | if(ev->name == NULL) in->error(in, "Event not named"); |
581 | getRAnglebracket(in); |
582 | |
f104d082 |
583 | //<description>...</description> |
90395b4b |
584 | ev->description = getDescription(in); |
585 | |
f104d082 |
586 | int got_end = 0; |
587 | /* Events can have multiple fields. each field form at least a function |
588 | * parameter of the logging function. */ |
589 | while(!got_end) { |
590 | getLAnglebracket(in); |
591 | token = getToken(in); |
592 | |
593 | switch(in->type) { |
594 | case FORWARDSLASH: /* </event> */ |
595 | token = getName(in); |
596 | if(strcmp("event",token))in->error(in,"not an event definition"); |
597 | getRAnglebracket(in); //</event> |
598 | got_end = 1; |
599 | break; |
600 | case NAME: /* a field */ |
601 | if(strcmp("field",token))in->error(in,"expecting a field"); |
602 | f = (field_t *)memAlloc(sizeof(field_t)); |
603 | sequence_push(&(ev->fields),f); |
dd3a6d39 |
604 | parseFields(fac, in, f, unnamed_types, named_types, 1); |
f104d082 |
605 | break; |
606 | default: |
607 | in->error(in, "expecting </event> or <field >"); |
608 | break; |
609 | } |
610 | } |
611 | #if 0 |
612 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
613 | ev->type = NULL; |
614 | }else if(in->type == NAME){ |
615 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
616 | ungetToken(in); |
617 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
618 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
619 | in->error(in,"type must be a struct"); |
620 | }else in->error(in, "not a valid type"); |
621 | |
622 | getLAnglebracket(in); |
623 | getForwardslash(in); |
624 | }else in->error(in,"not a struct type"); |
625 | getLAnglebracket(in); |
626 | getForwardslash(in); |
627 | token = getName(in); |
628 | if(strcmp("event",token))in->error(in,"not an event definition"); |
629 | getRAnglebracket(in); //</event> |
630 | #endif //0 |
90395b4b |
631 | } |
632 | |
633 | /***************************************************************************** |
634 | *Function name |
635 | * parseField : get field infomation from buffer |
636 | *Input params |
dd3a6d39 |
637 | * fac : facility holding the field |
90395b4b |
638 | * in : input file handle |
f104d082 |
639 | * f : field |
90395b4b |
640 | * unnamed_types : array of unamed types |
641 | * named_types : array of named types |
f104d082 |
642 | * tag : is field surrounded by a <field> </field> tag ? |
90395b4b |
643 | ****************************************************************************/ |
644 | |
dd3a6d39 |
645 | void parseFields(facility_t *fac, parse_file_t *in, field_t *f, |
90699b2b |
646 | sequence_t * unnamed_types, |
f104d082 |
647 | table_t * named_types, |
648 | int tag) |
90395b4b |
649 | { |
650 | char * token; |
dd3a6d39 |
651 | f->fac = fac; |
f104d082 |
652 | if(tag) { |
653 | //<field name=field_name> <description> <type> </field> |
654 | getFieldAttributes(in, f); |
655 | if(f->name == NULL) in->error(in, "Field not named"); |
656 | getRAnglebracket(in); |
90395b4b |
657 | |
f104d082 |
658 | f->description = getDescription(in); |
15244807 |
659 | } else { |
660 | f->description = NULL; |
f104d082 |
661 | } |
90395b4b |
662 | |
663 | //<int size=...> |
664 | getLAnglebracket(in); |
dd3a6d39 |
665 | f->type = parseType(fac, in,NULL, unnamed_types, named_types); |
90395b4b |
666 | |
f104d082 |
667 | if(tag) { |
668 | getLAnglebracket(in); |
669 | getForwardslash(in); |
670 | token = getName(in); |
671 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
672 | getRAnglebracket(in); //</field> |
673 | } |
90395b4b |
674 | } |
675 | |
676 | |
677 | /***************************************************************************** |
678 | *Function name |
679 | * parseType : get type information, type can be : |
680 | * Primitive: |
681 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
682 | * string(fmt); enum(size,fmt,(label1,label2...)) |
683 | * Compound: |
684 | * array(arraySize, type); sequence(lengthSize,type) |
685 | * struct(field(name,type,description)...) |
686 | * type name: |
687 | * type(name,type) |
688 | *Input params |
dd3a6d39 |
689 | * fac : facility |
90395b4b |
690 | * in : input file handle |
691 | * inType : a type descriptor |
692 | * unnamed_types : array of unamed types |
693 | * named_types : array of named types |
694 | *Return values |
695 | * type_descriptor* : a type descriptor |
696 | ****************************************************************************/ |
697 | |
dd3a6d39 |
698 | type_descriptor_t *parseType(facility_t *fac, parse_file_t *in, type_descriptor_t *inType, |
90699b2b |
699 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
700 | { |
701 | char *token; |
90699b2b |
702 | type_descriptor_t *t; |
f104d082 |
703 | field_t *f; |
90395b4b |
704 | |
705 | if(inType == NULL) { |
90699b2b |
706 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
90395b4b |
707 | t->type_name = NULL; |
708 | t->type = NONE; |
709 | t->fmt = NULL; |
710 | sequence_push(unnamed_types,t); |
711 | } |
712 | else t = inType; |
dd3a6d39 |
713 | t->fac = fac; |
90395b4b |
714 | |
715 | token = getName(in); |
716 | |
717 | if(strcmp(token,"struct") == 0) { |
718 | t->type = STRUCT; |
f104d082 |
719 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
720 | getRAnglebracket(in); //<struct> |
721 | getLAnglebracket(in); //<field name=..> |
722 | token = getToken(in); |
723 | sequence_init(&(t->fields)); |
724 | while(strcmp("field",token) == 0){ |
f104d082 |
725 | f = (field_t *)memAlloc(sizeof(field_t)); |
726 | sequence_push(&(t->fields),f); |
727 | |
dd3a6d39 |
728 | parseFields(fac, in, f, unnamed_types, named_types, 1); |
90395b4b |
729 | |
730 | //next field |
731 | getLAnglebracket(in); |
732 | token = getToken(in); |
733 | } |
734 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
735 | token = getName(in); |
736 | if(strcmp("struct",token)!=0) |
737 | in->error(in,"not a valid structure definition"); |
738 | getRAnglebracket(in); //</struct> |
739 | } |
740 | else if(strcmp(token,"union") == 0) { |
741 | t->type = UNION; |
f104d082 |
742 | getTypeAttributes(in, t, unnamed_types, named_types); |
743 | getRAnglebracket(in); //<union> |
90395b4b |
744 | |
745 | getLAnglebracket(in); //<field name=..> |
746 | token = getToken(in); |
747 | sequence_init(&(t->fields)); |
748 | while(strcmp("field",token) == 0){ |
f104d082 |
749 | f = (field_t *)memAlloc(sizeof(field_t)); |
750 | sequence_push(&(t->fields),f); |
dd3a6d39 |
751 | parseFields(fac, in, f, unnamed_types, named_types, 1); |
90395b4b |
752 | |
753 | //next field |
754 | getLAnglebracket(in); |
755 | token = getToken(in); |
756 | } |
757 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
758 | token = getName(in); |
759 | if(strcmp("union",token)!=0) |
760 | in->error(in,"not a valid union definition"); |
761 | getRAnglebracket(in); //</union> |
762 | } |
763 | else if(strcmp(token,"array") == 0) { |
764 | t->type = ARRAY; |
f104d082 |
765 | sequence_init(&(t->fields)); |
766 | getTypeAttributes(in, t, unnamed_types, named_types); |
767 | if(t->size == 0) in->error(in, "Array has empty size"); |
768 | getForwardslash(in); |
90395b4b |
769 | getRAnglebracket(in); //<array size=n> |
770 | |
f104d082 |
771 | //getLAnglebracket(in); //<subtype> |
772 | /* subfield */ |
73e6c609 |
773 | f = (field_t *)memAlloc(sizeof(field_t)); |
774 | |
775 | f->name = NULL; |
776 | sequence_push(&(t->fields),f); |
dd3a6d39 |
777 | parseFields(fac, in, f, unnamed_types, named_types, 0); |
f104d082 |
778 | |
779 | //getLAnglebracket(in); //<type struct> |
780 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
90395b4b |
781 | |
782 | getLAnglebracket(in); //</array> |
783 | getForwardslash(in); |
784 | token = getName(in); |
785 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
786 | getRAnglebracket(in); //</array> |
787 | } |
788 | else if(strcmp(token,"sequence") == 0) { |
789 | t->type = SEQUENCE; |
f104d082 |
790 | sequence_init(&(t->fields)); |
7df766d3 |
791 | getTypeAttributes(in, t, unnamed_types, named_types); |
792 | getForwardslash(in); |
f104d082 |
793 | getRAnglebracket(in); //<sequence> |
794 | |
795 | //getLAnglebracket(in); //<sequence size type> |
796 | /* subfield */ |
73e6c609 |
797 | f = (field_t *)memAlloc(sizeof(field_t)); |
798 | f->name = NULL; |
799 | sequence_push(&(t->fields),f); |
dd3a6d39 |
800 | parseFields(fac, in, f, unnamed_types, named_types, 0); |
f104d082 |
801 | |
802 | //getLAnglebracket(in); //<subtype> |
803 | /* subfield */ |
73e6c609 |
804 | f = (field_t *)memAlloc(sizeof(field_t)); |
805 | f->name = NULL; |
806 | sequence_push(&(t->fields),f); |
dd3a6d39 |
807 | parseFields(fac, in, f, unnamed_types, named_types, 0); |
f104d082 |
808 | |
809 | //getLAnglebracket(in); //<type sequence> |
810 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
811 | |
812 | //getLAnglebracket(in); //<type sequence> |
813 | |
814 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
815 | |
816 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
817 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
818 | switch(((field_t*)t->fields.array[0])->type->type) { |
819 | case UINT_FIXED : |
820 | case UCHAR : |
821 | case USHORT : |
822 | case UINT : |
823 | case ULONG : |
824 | case SIZE_T : |
825 | case OFF_T : |
826 | break; |
827 | default: |
828 | in->error(in, "Wrong length type for sequence"); |
829 | } |
90395b4b |
830 | |
831 | getLAnglebracket(in); //</sequence> |
832 | getForwardslash(in); |
833 | token = getName(in); |
834 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
835 | getRAnglebracket(in); //</sequence> |
836 | } |
837 | else if(strcmp(token,"enum") == 0) { |
f104d082 |
838 | char * str; |
9f2d599d |
839 | long long value = -1; |
f104d082 |
840 | |
90395b4b |
841 | t->type = ENUM; |
842 | sequence_init(&(t->labels)); |
f104d082 |
843 | sequence_init(&(t->labels_values)); |
90395b4b |
844 | sequence_init(&(t->labels_description)); |
845 | t->already_printed = 0; |
f104d082 |
846 | getTypeAttributes(in, t, unnamed_types, named_types); |
847 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
848 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
849 | //fox copy optimisation. |
850 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
851 | t->size = 0; |
90395b4b |
852 | getRAnglebracket(in); |
853 | |
854 | //<label name=label1 value=n/> |
855 | getLAnglebracket(in); |
856 | token = getToken(in); //"label" or "/" |
857 | while(strcmp("label",token) == 0){ |
f104d082 |
858 | int *label_value = malloc(sizeof(int)); |
9f2d599d |
859 | int has_value = 0; |
860 | long long loc_value; |
f104d082 |
861 | |
7b143580 |
862 | str = allocAndCopy(getNameAttribute(in)); |
9f2d599d |
863 | has_value = getValueAttribute(in, &loc_value); |
f104d082 |
864 | |
73e6c609 |
865 | sequence_push(&(t->labels),str); |
f104d082 |
866 | |
9f2d599d |
867 | if(has_value) value = loc_value; |
f104d082 |
868 | else value++; |
869 | |
870 | *label_value = value; |
871 | sequence_push(&(t->labels_values), label_value); |
90395b4b |
872 | |
873 | getForwardslash(in); |
874 | getRAnglebracket(in); |
875 | |
876 | //read description if any. May be NULL. |
877 | str = allocAndCopy(getDescription(in)); |
878 | sequence_push(&(t->labels_description),str); |
879 | |
880 | //next label definition |
881 | getLAnglebracket(in); |
882 | token = getToken(in); //"label" or "/" |
883 | } |
884 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
885 | token = getName(in); |
886 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
887 | getRAnglebracket(in); //</label> |
888 | } |
f104d082 |
889 | else if(strcmp(token,"int_fixed") == 0) { |
890 | t->type = INT_FIXED; |
891 | getTypeAttributes(in, t, unnamed_types, named_types); |
892 | if(t->size == 0) in->error(in, "int has empty size"); |
893 | getForwardslash(in); |
894 | getRAnglebracket(in); |
895 | } |
896 | else if(strcmp(token,"uint_fixed") == 0) { |
897 | t->type = UINT_FIXED; |
898 | getTypeAttributes(in, t, unnamed_types, named_types); |
899 | if(t->size == 0) in->error(in, "uint has empty size"); |
900 | getForwardslash(in); |
901 | getRAnglebracket(in); |
902 | } |
903 | else if(strcmp(token,"char") == 0) { |
904 | t->type = CHAR; |
f104d082 |
905 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
906 | t->size = 1; |
f104d082 |
907 | getForwardslash(in); |
908 | getRAnglebracket(in); |
909 | } |
910 | else if(strcmp(token,"uchar") == 0) { |
911 | t->type = UCHAR; |
f104d082 |
912 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
913 | t->size = 1; |
f104d082 |
914 | getForwardslash(in); |
915 | getRAnglebracket(in); |
916 | } |
917 | else if(strcmp(token,"short") == 0) { |
918 | t->type = SHORT; |
f104d082 |
919 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
920 | t->size = 2; |
f104d082 |
921 | getForwardslash(in); |
922 | getRAnglebracket(in); |
923 | } |
924 | else if(strcmp(token,"ushort") == 0) { |
925 | t->type = USHORT; |
f104d082 |
926 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
927 | t->size = 2; |
f104d082 |
928 | getForwardslash(in); |
929 | getRAnglebracket(in); |
930 | } |
90395b4b |
931 | else if(strcmp(token,"int") == 0) { |
932 | t->type = INT; |
f104d082 |
933 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
934 | getForwardslash(in); |
935 | getRAnglebracket(in); |
936 | } |
937 | else if(strcmp(token,"uint") == 0) { |
938 | t->type = UINT; |
f104d082 |
939 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
940 | getForwardslash(in); |
941 | getRAnglebracket(in); |
942 | } |
f104d082 |
943 | |
90395b4b |
944 | else if(strcmp(token,"pointer") == 0) { |
945 | t->type = POINTER; |
f104d082 |
946 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
947 | getForwardslash(in); |
948 | getRAnglebracket(in); |
949 | } |
950 | else if(strcmp(token,"long") == 0) { |
951 | t->type = LONG; |
f104d082 |
952 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
953 | getForwardslash(in); |
954 | getRAnglebracket(in); |
955 | } |
956 | else if(strcmp(token,"ulong") == 0) { |
957 | t->type = ULONG; |
f104d082 |
958 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
959 | getForwardslash(in); |
960 | getRAnglebracket(in); |
961 | } |
962 | else if(strcmp(token,"size_t") == 0) { |
963 | t->type = SIZE_T; |
f104d082 |
964 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
965 | getForwardslash(in); |
966 | getRAnglebracket(in); |
967 | } |
968 | else if(strcmp(token,"ssize_t") == 0) { |
969 | t->type = SSIZE_T; |
f104d082 |
970 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
971 | getForwardslash(in); |
972 | getRAnglebracket(in); |
973 | } |
974 | else if(strcmp(token,"off_t") == 0) { |
975 | t->type = OFF_T; |
f104d082 |
976 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
977 | getForwardslash(in); |
978 | getRAnglebracket(in); |
979 | } |
980 | else if(strcmp(token,"float") == 0) { |
981 | t->type = FLOAT; |
f104d082 |
982 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
983 | getForwardslash(in); |
984 | getRAnglebracket(in); |
985 | } |
986 | else if(strcmp(token,"string") == 0) { |
987 | t->type = STRING; |
f104d082 |
988 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
989 | getForwardslash(in); |
990 | getRAnglebracket(in); |
991 | } |
992 | else if(strcmp(token,"typeref") == 0){ |
993 | // Must be a named type |
f104d082 |
994 | free(t); |
995 | sequence_pop(unnamed_types); |
996 | token = getNameAttribute(in); |
997 | t = find_named_type(token, named_types); |
998 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
999 | getForwardslash(in); //<typeref name=type_name/> |
1000 | getRAnglebracket(in); |
1001 | return t; |
90395b4b |
1002 | }else in->error(in,"not a valid type"); |
1003 | |
1004 | return t; |
1005 | } |
1006 | |
1007 | /***************************************************************************** |
1008 | *Function name |
1009 | * find_named_type : find a named type from hash table |
1010 | *Input params |
1011 | * name : type name |
1012 | * named_types : array of named types |
1013 | *Return values |
1014 | * type_descriptor * : a type descriptor |
1015 | *****************************************************************************/ |
1016 | |
90699b2b |
1017 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
90395b4b |
1018 | { |
90699b2b |
1019 | type_descriptor_t *t; |
90395b4b |
1020 | |
500d6465 |
1021 | t = (type_descriptor_t*)table_find(named_types,name); |
f104d082 |
1022 | |
90395b4b |
1023 | return t; |
f104d082 |
1024 | } |
1025 | |
1026 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
1027 | { |
1028 | type_descriptor_t *t; |
1029 | |
1030 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
1031 | t->type_name = allocAndCopy(name); |
1032 | t->type = NONE; |
1033 | t->fmt = NULL; |
1034 | table_insert(named_types,t->type_name,t); |
1035 | // table_insert(named_types,allocAndCopy(name),t); |
1036 | return t; |
1037 | } |
90395b4b |
1038 | |
1039 | /***************************************************************************** |
1040 | *Function name |
1041 | * parseTypeDefinition : get type information from type definition |
1042 | *Input params |
dd3a6d39 |
1043 | * fac : facility |
90395b4b |
1044 | * in : input file handle |
1045 | * unnamed_types : array of unamed types |
1046 | * named_types : array of named types |
1047 | *****************************************************************************/ |
1048 | |
dd3a6d39 |
1049 | void parseTypeDefinition(facility_t *fac, parse_file_t * in, sequence_t * unnamed_types, |
90699b2b |
1050 | table_t * named_types) |
90395b4b |
1051 | { |
1052 | char *token; |
90699b2b |
1053 | type_descriptor_t *t; |
90395b4b |
1054 | |
1055 | token = getNameAttribute(in); |
1056 | if(token == NULL) in->error(in, "Type has empty name"); |
f104d082 |
1057 | t = create_named_type(token, named_types); |
90395b4b |
1058 | |
1059 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
1060 | getRAnglebracket(in); //<type name=type_name> |
1061 | getLAnglebracket(in); //< |
1062 | token = getName(in); |
1063 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
1064 | ungetToken(in); |
dd3a6d39 |
1065 | parseType(fac, in,t, unnamed_types, named_types); |
90395b4b |
1066 | |
1067 | //</type> |
1068 | getLAnglebracket(in); |
1069 | getForwardslash(in); |
1070 | token = getName(in); |
1071 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
1072 | getRAnglebracket(in); //</type> |
1073 | } |
1074 | |
1075 | /************************************************************************** |
1076 | * Function : |
1077 | * getComa, getName, getNumber, getEqual |
1078 | * Description : |
1079 | * Read a token from the input file, check its type, return it scontent. |
1080 | * |
1081 | * Parameters : |
1082 | * in , input file handle. |
1083 | * |
1084 | * Return values : |
1085 | * address of token content. |
1086 | * |
1087 | **************************************************************************/ |
1088 | |
90699b2b |
1089 | char *getName(parse_file_t * in) |
90395b4b |
1090 | { |
1091 | char *token; |
1092 | |
1093 | token = getToken(in); |
7b143580 |
1094 | // Optional descriptions |
1095 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
90395b4b |
1096 | return token; |
1097 | } |
1098 | |
90699b2b |
1099 | int getNumber(parse_file_t * in) |
90395b4b |
1100 | { |
1101 | char *token; |
1102 | |
1103 | token = getToken(in); |
1104 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
1105 | return atoi(token); |
1106 | } |
1107 | |
90699b2b |
1108 | char *getForwardslash(parse_file_t * in) |
90395b4b |
1109 | { |
1110 | char *token; |
1111 | |
1112 | token = getToken(in); |
f104d082 |
1113 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1114 | /* Mathieu : final / is optional now. */ |
1115 | if(in->type != FORWARDSLASH) ungetToken(in); |
1116 | |
90395b4b |
1117 | return token; |
1118 | } |
1119 | |
90699b2b |
1120 | char *getLAnglebracket(parse_file_t * in) |
90395b4b |
1121 | { |
1122 | char *token; |
1123 | |
1124 | token = getToken(in); |
1125 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1126 | return token; |
1127 | } |
1128 | |
90699b2b |
1129 | char *getRAnglebracket(parse_file_t * in) |
90395b4b |
1130 | { |
1131 | char *token; |
1132 | |
1133 | token = getToken(in); |
1134 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1135 | return token; |
1136 | } |
1137 | |
90699b2b |
1138 | char *getQuotedString(parse_file_t * in) |
90395b4b |
1139 | { |
1140 | char *token; |
1141 | |
1142 | token = getToken(in); |
1143 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1144 | return token; |
1145 | } |
1146 | |
90699b2b |
1147 | char * getEqual(parse_file_t *in) |
90395b4b |
1148 | { |
1149 | char *token; |
1150 | |
1151 | token = getToken(in); |
1152 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1153 | return token; |
1154 | } |
1155 | |
83e160f2 |
1156 | int seekNextChar(parse_file_t *in) |
90395b4b |
1157 | { |
83e160f2 |
1158 | int car; |
90395b4b |
1159 | while((car = getc(in->fp)) != EOF) { |
1160 | if(!isspace(car)){ |
1161 | ungetc(car,in->fp); |
1162 | return car; |
1163 | } |
1164 | } |
1165 | return EOF; |
1166 | } |
1167 | |
1168 | /****************************************************************** |
1169 | * Function : |
1170 | * getToken, ungetToken |
1171 | * Description : |
1172 | * Read a token from the input file and return its type and content. |
1173 | * Line numbers are accounted for and whitespace/comments are skipped. |
1174 | * |
1175 | * Parameters : |
1176 | * in, input file handle. |
1177 | * |
1178 | * Return values : |
1179 | * address of token content. |
1180 | * |
1181 | ******************************************************************/ |
1182 | |
90699b2b |
1183 | void ungetToken(parse_file_t * in) |
90395b4b |
1184 | { |
1185 | in->unget = 1; |
1186 | } |
1187 | |
90699b2b |
1188 | char *getToken(parse_file_t * in) |
90395b4b |
1189 | { |
1190 | FILE *fp = in->fp; |
83e160f2 |
1191 | int car, car1; |
90395b4b |
1192 | int pos = 0, escaped; |
1193 | |
1194 | if(in->unget == 1) { |
1195 | in->unget = 0; |
1196 | return in->buffer; |
1197 | } |
1198 | |
1199 | /* skip whitespace and comments */ |
1200 | |
1201 | while((car = getc(fp)) != EOF) { |
1202 | if(car == '/') { |
1203 | car1 = getc(fp); |
1204 | if(car1 == '*') skipComment(in); |
1205 | else if(car1 == '/') skipEOL(in); |
1206 | else { |
1207 | car1 = ungetc(car1,fp); |
1208 | break; |
1209 | } |
1210 | } |
1211 | else if(car == '\n') in->lineno++; |
1212 | else if(!isspace(car)) break; |
1213 | } |
1214 | |
1215 | switch(car) { |
1216 | case EOF: |
1217 | in->type = ENDFILE; |
1218 | break; |
1219 | case '/': |
1220 | in->type = FORWARDSLASH; |
1221 | in->buffer[pos] = car; |
1222 | pos++; |
1223 | break; |
1224 | case '<': |
1225 | in->type = LANGLEBRACKET; |
1226 | in->buffer[pos] = car; |
1227 | pos++; |
1228 | break; |
1229 | case '>': |
1230 | in->type = RANGLEBRACKET; |
1231 | in->buffer[pos] = car; |
1232 | pos++; |
1233 | break; |
1234 | case '=': |
1235 | in->type = EQUAL; |
1236 | in->buffer[pos] = car; |
1237 | pos++; |
1238 | break; |
1239 | case '"': |
1240 | escaped = 0; |
1241 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1242 | if(car == '\\' && escaped == 0) { |
01e5c8ac |
1243 | in->buffer[pos] = car; |
1244 | pos++; |
90395b4b |
1245 | escaped = 1; |
1246 | continue; |
1247 | } |
1248 | if(car == '"' && escaped == 0) break; |
1249 | if(car == '\n' && escaped == 0) { |
1250 | in->error(in, "non escaped newline inside quoted string"); |
1251 | } |
1252 | if(car == '\n') in->lineno++; |
1253 | in->buffer[pos] = car; |
1254 | pos++; |
1255 | escaped = 0; |
1256 | } |
1257 | if(car == EOF) in->error(in,"no ending quotemark"); |
1258 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1259 | in->type = QUOTEDSTRING; |
1260 | break; |
1261 | default: |
1262 | if(isdigit(car)) { |
1263 | in->buffer[pos] = car; |
1264 | pos++; |
1265 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1266 | if(!isdigit(car)) { |
1267 | ungetc(car,fp); |
1268 | break; |
1269 | } |
1270 | in->buffer[pos] = car; |
1271 | pos++; |
1272 | } |
01e5c8ac |
1273 | if(car == EOF) ungetc(car,fp); |
90395b4b |
1274 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1275 | in->type = NUMBER; |
01e5c8ac |
1276 | } |
7b143580 |
1277 | else if(isalnum(car) || car == '_' || car == '-') { |
90395b4b |
1278 | in->buffer[0] = car; |
1279 | pos = 1; |
1280 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
7b143580 |
1281 | if(!(isalnum(car) || car == '_' || car == '-')) { |
90395b4b |
1282 | ungetc(car,fp); |
1283 | break; |
1284 | } |
1285 | in->buffer[pos] = car; |
1286 | pos++; |
1287 | } |
01e5c8ac |
1288 | if(car == EOF) ungetc(car,fp); |
90395b4b |
1289 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1290 | in->type = NAME; |
01e5c8ac |
1291 | } else if(car == '?') { |
1292 | in->buffer[0] = car; |
1293 | pos++; |
1294 | } |
90395b4b |
1295 | else in->error(in, "invalid character, unrecognized token"); |
1296 | } |
1297 | in->buffer[pos] = 0; |
1298 | return in->buffer; |
1299 | } |
1300 | |
90699b2b |
1301 | void skipComment(parse_file_t * in) |
90395b4b |
1302 | { |
83e160f2 |
1303 | int car; |
90395b4b |
1304 | while((car = getc(in->fp)) != EOF) { |
1305 | if(car == '\n') in->lineno++; |
1306 | else if(car == '*') { |
1307 | car = getc(in->fp); |
1308 | if(car ==EOF) break; |
1309 | if(car == '/') return; |
1310 | ungetc(car,in->fp); |
1311 | } |
1312 | } |
1313 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1314 | } |
1315 | |
90699b2b |
1316 | void skipEOL(parse_file_t * in) |
90395b4b |
1317 | { |
83e160f2 |
1318 | int car; |
90395b4b |
1319 | while((car = getc(in->fp)) != EOF) { |
1320 | if(car == '\n') { |
1321 | ungetc(car,in->fp); |
1322 | break; |
1323 | } |
1324 | } |
1325 | if(car == EOF)ungetc(car, in->fp); |
1326 | } |
1327 | |
1328 | /***************************************************************************** |
1329 | *Function name |
1330 | * checkNamedTypesImplemented : check if all named types have definition |
1331 | ****************************************************************************/ |
1332 | |
90699b2b |
1333 | void checkNamedTypesImplemented(table_t * named_types) |
90395b4b |
1334 | { |
90699b2b |
1335 | type_descriptor_t *t; |
90395b4b |
1336 | int pos; |
1337 | char str[256]; |
1338 | |
1339 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
90699b2b |
1340 | t = (type_descriptor_t *) named_types->values.array[pos]; |
90395b4b |
1341 | if(t->type == NONE){ |
90699b2b |
1342 | sprintf(str,"named type '%s' has no definition", |
1343 | (char*)named_types->keys.array[pos]); |
90395b4b |
1344 | error_callback(NULL,str); |
1345 | } |
1346 | } |
1347 | } |
1348 | |
1349 | |
1350 | /***************************************************************************** |
1351 | *Function name |
1352 | * generateChecksum : generate checksum for the facility |
1353 | *Input Params |
1354 | * facName : name of facility |
1355 | *Output Params |
1356 | * checksum : checksum for the facility |
1357 | ****************************************************************************/ |
1358 | |
90699b2b |
1359 | void generateChecksum(char* facName, |
f104d082 |
1360 | unsigned int * checksum, sequence_t * events) |
90395b4b |
1361 | { |
1362 | unsigned long crc ; |
1363 | int pos; |
90699b2b |
1364 | event_t * ev; |
2312de30 |
1365 | unsigned int i; |
90395b4b |
1366 | |
1367 | crc = crc32(facName); |
1368 | for(pos = 0; pos < events->position; pos++){ |
90699b2b |
1369 | ev = (event_t *)(events->array[pos]); |
f104d082 |
1370 | crc = partial_crc32(ev->name, crc); |
2312de30 |
1371 | for(i = 0; i < ev->fields.position; i++) { |
f104d082 |
1372 | field_t *f = (field_t*)ev->fields.array[i]; |
1373 | crc = partial_crc32(f->name, crc); |
1374 | crc = getTypeChecksum(crc, f->type); |
1375 | } |
90395b4b |
1376 | } |
1377 | *checksum = crc; |
1378 | } |
1379 | |
1380 | /***************************************************************************** |
1381 | *Function name |
1382 | * getTypeChecksum : generate checksum by type info |
1383 | *Input Params |
1384 | * crc : checksum generated so far |
1385 | * type : type descriptor containing type info |
1386 | *Return value |
1387 | * unsigned long : checksum |
1388 | *****************************************************************************/ |
1389 | |
90699b2b |
1390 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
90395b4b |
1391 | { |
1392 | unsigned long crc = aCrc; |
1393 | char * str = NULL, buf[16]; |
1394 | int flag = 0, pos; |
90699b2b |
1395 | field_t * fld; |
90395b4b |
1396 | |
1397 | switch(type->type){ |
f104d082 |
1398 | case INT_FIXED: |
1399 | str = intOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1400 | break; |
f104d082 |
1401 | case UINT_FIXED: |
1402 | str = uintOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1403 | break; |
1404 | case POINTER: |
1405 | str = allocAndCopy("void *"); |
1406 | flag = 1; |
1407 | break; |
f104d082 |
1408 | case CHAR: |
1409 | str = allocAndCopy("signed char"); |
1410 | flag = 1; |
1411 | break; |
1412 | case UCHAR: |
1413 | str = allocAndCopy("unsigned char"); |
1414 | flag = 1; |
1415 | break; |
1416 | case SHORT: |
1417 | str = allocAndCopy("short"); |
1418 | flag = 1; |
1419 | break; |
1420 | case USHORT: |
1421 | str = allocAndCopy("unsigned short"); |
1422 | flag = 1; |
1423 | break; |
1424 | case INT: |
1425 | str = allocAndCopy("int"); |
1426 | flag = 1; |
1427 | break; |
1428 | case UINT: |
1429 | str = allocAndCopy("uint"); |
1430 | flag = 1; |
1431 | break; |
90395b4b |
1432 | case LONG: |
1433 | str = allocAndCopy("long"); |
1434 | flag = 1; |
1435 | break; |
1436 | case ULONG: |
1437 | str = allocAndCopy("unsigned long"); |
1438 | flag = 1; |
1439 | break; |
1440 | case SIZE_T: |
1441 | str = allocAndCopy("size_t"); |
1442 | flag = 1; |
1443 | break; |
1444 | case SSIZE_T: |
1445 | str = allocAndCopy("ssize_t"); |
1446 | flag = 1; |
1447 | break; |
1448 | case OFF_T: |
1449 | str = allocAndCopy("off_t"); |
1450 | flag = 1; |
1451 | break; |
1452 | case FLOAT: |
f104d082 |
1453 | str = floatOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1454 | break; |
1455 | case STRING: |
1456 | str = allocAndCopy("string"); |
1457 | flag = 1; |
1458 | break; |
1459 | case ENUM: |
f104d082 |
1460 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1461 | str = allocAndCopy("enum"); |
90395b4b |
1462 | flag = 1; |
1463 | break; |
1464 | case ARRAY: |
f104d082 |
1465 | sprintf(buf,"%zu", type->size); |
90395b4b |
1466 | str = appendString("array ",buf); |
1467 | flag = 1; |
1468 | break; |
1469 | case SEQUENCE: |
743e50fd |
1470 | str = allocAndCopy("sequence "); |
90395b4b |
1471 | flag = 1; |
1472 | break; |
1473 | case STRUCT: |
1474 | str = allocAndCopy("struct"); |
1475 | flag = 1; |
1476 | break; |
1477 | case UNION: |
1478 | str = allocAndCopy("union"); |
1479 | flag = 1; |
1480 | break; |
1481 | default: |
1482 | error_callback(NULL, "named type has no definition"); |
1483 | break; |
1484 | } |
1485 | |
1486 | crc = partial_crc32(str,crc); |
1487 | if(flag) free(str); |
1488 | |
1489 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1490 | |
f104d082 |
1491 | if(type->type == ARRAY){ |
1492 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1493 | } else if(type->type ==SEQUENCE) { |
1494 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1495 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1496 | } else if(type->type == STRUCT || type->type == UNION){ |
90395b4b |
1497 | for(pos =0; pos < type->fields.position; pos++){ |
90699b2b |
1498 | fld = (field_t *) type->fields.array[pos]; |
90395b4b |
1499 | crc = partial_crc32(fld->name,crc); |
1500 | crc = getTypeChecksum(crc, fld->type); |
1501 | } |
1502 | }else if(type->type == ENUM){ |
1503 | for(pos = 0; pos < type->labels.position; pos++) |
1504 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1505 | } |
1506 | |
1507 | return crc; |
1508 | } |
1509 | |
1510 | |
1511 | /* Event type descriptors */ |
90699b2b |
1512 | void freeType(type_descriptor_t * tp) |
90395b4b |
1513 | { |
1514 | int pos2; |
90699b2b |
1515 | field_t *f; |
90395b4b |
1516 | |
1517 | if(tp->fmt != NULL) free(tp->fmt); |
1518 | if(tp->type == ENUM) { |
1519 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1520 | free(tp->labels.array[pos2]); |
1521 | } |
1522 | sequence_dispose(&(tp->labels)); |
f104d082 |
1523 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1524 | free(tp->labels_values.array[pos2]); |
1525 | } |
1526 | sequence_dispose(&(tp->labels_values)); |
90395b4b |
1527 | } |
1528 | if(tp->type == STRUCT) { |
1529 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
90699b2b |
1530 | f = (field_t *) tp->fields.array[pos2]; |
90395b4b |
1531 | free(f->name); |
1532 | free(f->description); |
1533 | free(f); |
1534 | } |
1535 | sequence_dispose(&(tp->fields)); |
1536 | } |
1537 | } |
1538 | |
90699b2b |
1539 | void freeNamedType(table_t * t) |
90395b4b |
1540 | { |
1541 | int pos; |
90699b2b |
1542 | type_descriptor_t * td; |
90395b4b |
1543 | |
1544 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1545 | free((char *)t->keys.array[pos]); |
90699b2b |
1546 | td = (type_descriptor_t*)t->values.array[pos]; |
90395b4b |
1547 | freeType(td); |
1548 | free(td); |
1549 | } |
1550 | } |
1551 | |
90699b2b |
1552 | void freeTypes(sequence_t *t) |
90395b4b |
1553 | { |
a0c1f622 |
1554 | int pos; |
90699b2b |
1555 | type_descriptor_t *tp; |
90395b4b |
1556 | |
1557 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1558 | tp = (type_descriptor_t *)t->array[pos]; |
90395b4b |
1559 | freeType(tp); |
1560 | free(tp); |
1561 | } |
1562 | } |
1563 | |
90699b2b |
1564 | void freeEvents(sequence_t *t) |
90395b4b |
1565 | { |
1566 | int pos; |
90699b2b |
1567 | event_t *ev; |
90395b4b |
1568 | |
1569 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1570 | ev = (event_t *) t->array[pos]; |
90395b4b |
1571 | free(ev->name); |
1572 | free(ev->description); |
f104d082 |
1573 | sequence_dispose(&ev->fields); |
90395b4b |
1574 | free(ev); |
1575 | } |
1576 | |
1577 | } |
1578 | |
1579 | |
1580 | /* Extensible array */ |
1581 | |
90699b2b |
1582 | void sequence_init(sequence_t *t) |
90395b4b |
1583 | { |
1584 | t->size = 10; |
1585 | t->position = 0; |
1586 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1587 | } |
1588 | |
90699b2b |
1589 | void sequence_dispose(sequence_t *t) |
90395b4b |
1590 | { |
1591 | t->size = 0; |
1592 | free(t->array); |
1593 | t->array = NULL; |
1594 | } |
1595 | |
90699b2b |
1596 | void sequence_push(sequence_t *t, void *elem) |
90395b4b |
1597 | { |
1598 | void **tmp; |
1599 | |
1600 | if(t->position >= t->size) { |
1601 | tmp = t->array; |
1602 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1603 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1604 | t->size = t->size * 2; |
1605 | free(tmp); |
1606 | } |
1607 | t->array[t->position] = elem; |
1608 | t->position++; |
1609 | } |
1610 | |
90699b2b |
1611 | void *sequence_pop(sequence_t *t) |
90395b4b |
1612 | { |
845a3be5 |
1613 | if(t->position == 0) printf("Error : trying to pop an empty sequence"); |
1614 | return t->array[--t->position]; |
90395b4b |
1615 | } |
1616 | |
1617 | |
1618 | /* Hash table API, implementation is just linear search for now */ |
1619 | |
90699b2b |
1620 | void table_init(table_t *t) |
90395b4b |
1621 | { |
1622 | sequence_init(&(t->keys)); |
1623 | sequence_init(&(t->values)); |
1624 | } |
1625 | |
90699b2b |
1626 | void table_dispose(table_t *t) |
90395b4b |
1627 | { |
1628 | sequence_dispose(&(t->keys)); |
1629 | sequence_dispose(&(t->values)); |
1630 | } |
1631 | |
90699b2b |
1632 | void table_insert(table_t *t, char *key, void *value) |
90395b4b |
1633 | { |
1634 | sequence_push(&(t->keys),key); |
1635 | sequence_push(&(t->values),value); |
1636 | } |
1637 | |
90699b2b |
1638 | void *table_find(table_t *t, char *key) |
90395b4b |
1639 | { |
1640 | int pos; |
1641 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1642 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1643 | return(t->values.array[pos]); |
1644 | } |
1645 | return NULL; |
1646 | } |
1647 | |
90699b2b |
1648 | void table_insert_int(table_t *t, int *key, void *value) |
90395b4b |
1649 | { |
1650 | sequence_push(&(t->keys),key); |
1651 | sequence_push(&(t->values),value); |
1652 | } |
1653 | |
90699b2b |
1654 | void *table_find_int(table_t *t, int *key) |
90395b4b |
1655 | { |
1656 | int pos; |
1657 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1658 | if(*key == *(int *)t->keys.array[pos]) |
1659 | return(t->values.array[pos]); |
1660 | } |
1661 | return NULL; |
1662 | } |
1663 | |
1664 | |
1665 | /* Concatenate strings */ |
1666 | |
1667 | char *appendString(char *s, char *suffix) |
1668 | { |
1669 | char *tmp; |
1670 | if(suffix == NULL) return s; |
1671 | |
1672 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1673 | strcpy(tmp,s); |
1674 | strcat(tmp,suffix); |
1675 | return tmp; |
1676 | } |