3583026d |
1 | /* |
2 | |
3 | parser.c: Generate helper declarations and functions to trace events |
4 | from an event description file. |
5 | |
a3e6ce64 |
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 |
3583026d |
10 | it under the terms of the GNU General Public License as published by |
a3e6ce64 |
11 | the Free Software Foundation; version 2 of the License. |
3583026d |
12 | |
a3e6ce64 |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
3583026d |
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> |
42 | #include <ctype.h> |
43 | |
44 | #include "parser.h" |
45 | |
46 | |
2d2d14a7 |
47 | char *intOutputTypes[] = { |
48 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
3583026d |
49 | |
2d2d14a7 |
50 | char *uintOutputTypes[] = { |
51 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
3583026d |
52 | |
2d2d14a7 |
53 | char *floatOutputTypes[] = { |
54 | "undef", "undef", "float", "double" }; |
3583026d |
55 | |
56 | |
57 | |
58 | |
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 | |
2d2d14a7 |
71 | int getSizeindex(unsigned int value) |
3583026d |
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 | |
2d2d14a7 |
97 | unsigned long long int getSize(parse_file_t *in) |
3583026d |
98 | { |
99 | char *token; |
bb9014e6 |
100 | int has_quotes = 0; |
101 | unsigned long long int ret; |
3583026d |
102 | |
103 | token = getToken(in); |
bb9014e6 |
104 | if(token[0] == '"') { |
105 | has_quotes = 1; |
106 | token = getToken(in); |
107 | } |
3583026d |
108 | if(in->type == NUMBER) { |
bb9014e6 |
109 | ret = strtoull(token, NULL, 0); |
110 | } else { |
111 | goto error; |
112 | } |
113 | if(has_quotes) { |
114 | token = getToken(in); |
115 | if(token[0] != '"') goto error; |
116 | } |
117 | |
118 | return ret; |
119 | error: |
3583026d |
120 | in->error(in,"incorrect size specification"); |
121 | return -1; |
122 | } |
123 | |
124 | /***************************************************************************** |
125 | *Function name |
126 | * error_callback : print out error info |
127 | *Input params |
128 | * in : input file handle |
129 | * msg : message to be printed |
130 | ****************************************************************************/ |
131 | |
132 | void error_callback(parse_file_t *in, char *msg) |
133 | { |
134 | if(in) |
135 | printf("Error in file %s, line %d: %s\n", in->name, in->lineno, msg); |
136 | else |
137 | printf("%s\n",msg); |
138 | assert(0); |
139 | exit(1); |
140 | } |
141 | |
142 | /***************************************************************************** |
143 | *Function name |
144 | * memAlloc : allocate memory |
145 | *Input params |
146 | * size : required memory size |
147 | *return value |
148 | * void * : pointer to allocate memory or NULL |
149 | ****************************************************************************/ |
150 | |
151 | void * memAlloc(int size) |
152 | { |
153 | void * addr; |
154 | if(size == 0) return NULL; |
155 | addr = malloc(size); |
156 | if(!addr){ |
157 | printf("Failed to allocate memory"); |
158 | exit(1); |
159 | } |
160 | return addr; |
161 | } |
162 | |
163 | /***************************************************************************** |
164 | *Function name |
165 | * allocAndCopy : allocate memory and initialize it |
166 | *Input params |
167 | * str : string to be put in memory |
168 | *return value |
169 | * char * : pointer to allocate memory or NULL |
170 | ****************************************************************************/ |
171 | |
172 | char *allocAndCopy(char *str) |
173 | { |
174 | char * addr; |
175 | if(str == NULL) return NULL; |
176 | addr = (char *)memAlloc(strlen(str)+1); |
177 | strcpy(addr,str); |
178 | return addr; |
179 | } |
180 | |
181 | /************************************************************************** |
182 | * Function : |
183 | * getTypeAttributes |
184 | * Description : |
185 | * Read the attribute from the input file. |
186 | * |
187 | * Parameters : |
188 | * in , input file handle. |
189 | * t , the type descriptor to fill. |
190 | * |
191 | **************************************************************************/ |
192 | |
be97b953 |
193 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
194 | sequence_t * unnamed_types, table_t * named_types) |
3583026d |
195 | { |
196 | char * token; |
197 | |
198 | t->fmt = NULL; |
2d2d14a7 |
199 | t->size = 0; |
64a6ab10 |
200 | t->custom_write = 0; |
7479dd85 |
201 | t->network = 0; |
3583026d |
202 | |
203 | while(1) { |
204 | token = getToken(in); |
205 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
206 | ungetToken(in); |
207 | break; |
208 | } |
209 | |
210 | if(!strcmp("format",token)) { |
211 | getEqual(in); |
212 | t->fmt = allocAndCopy(getQuotedString(in)); |
213 | //} else if(!strcmp("name",token)) { |
214 | // getEqual(in); |
215 | // car = seekNextChar(in); |
216 | // if(car == EOF) in->error(in,"name was expected"); |
217 | // else if(car == '\"') t->type_name = allocAndCopy(getQuotedString(in)); |
218 | // else t->type_name = allocAndCopy(getName(in)); |
be97b953 |
219 | } else if(!strcmp("size",token)) { |
3583026d |
220 | getEqual(in); |
221 | t->size = getSize(in); |
64a6ab10 |
222 | } else if(!strcmp("custom_write", token)) { |
223 | t->custom_write = 1; |
7479dd85 |
224 | } else if(!strcmp("network", token)) { |
225 | t->network = 1; |
226 | } |
3583026d |
227 | } |
228 | } |
229 | |
230 | /************************************************************************** |
231 | * Function : |
232 | * getEventAttributes |
233 | * Description : |
234 | * Read the attribute from the input file. |
235 | * |
236 | * Parameters : |
237 | * in , input file handle. |
238 | * ev , the event to fill. |
239 | * |
240 | **************************************************************************/ |
241 | |
242 | void getEventAttributes(parse_file_t *in, event_t *ev) |
243 | { |
244 | char * token; |
245 | char car; |
246 | |
247 | ev->name = NULL; |
248 | ev->per_trace = 0; |
249 | ev->per_tracefile = 0; |
250 | |
251 | while(1) { |
252 | token = getToken(in); |
253 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
254 | ungetToken(in); |
255 | break; |
256 | } |
257 | |
258 | if(!strcmp("name",token)) { |
259 | getEqual(in); |
260 | car = seekNextChar(in); |
261 | if(car == EOF) in->error(in,"name was expected"); |
262 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
263 | else ev->name = allocAndCopy(getName(in)); |
264 | } else if(!strcmp("per_trace", token)) { |
265 | ev->per_trace = 1; |
266 | } else if(!strcmp("per_tracefile", token)) { |
267 | ev->per_tracefile = 1; |
268 | } |
269 | |
270 | } |
271 | } |
272 | |
273 | /************************************************************************** |
274 | * Function : |
275 | * getFacilityAttributes |
276 | * Description : |
277 | * Read the attribute from the input file. |
278 | * |
279 | * Parameters : |
280 | * in , input file handle. |
281 | * fac , the facility to fill. |
282 | * |
283 | **************************************************************************/ |
284 | |
285 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
286 | { |
287 | char * token; |
288 | char car; |
289 | |
290 | fac->name = NULL; |
ffaf5031 |
291 | fac->arch = NULL; |
3583026d |
292 | |
293 | while(1) { |
294 | token = getToken(in); |
295 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
296 | ungetToken(in); |
297 | break; |
298 | } |
299 | |
300 | if(!strcmp("name",token)) { |
301 | getEqual(in); |
302 | car = seekNextChar(in); |
303 | if(car == EOF) in->error(in,"name was expected"); |
304 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
305 | else fac->name = allocAndCopy(getName(in)); |
ffaf5031 |
306 | } else if(!strcmp("arch", token)) { |
307 | getEqual(in); |
308 | car = seekNextChar(in); |
309 | if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
310 | else fac->arch = allocAndCopy(getName(in)); |
311 | } |
3583026d |
312 | } |
313 | } |
314 | |
315 | /************************************************************************** |
316 | * Function : |
317 | * getFieldAttributes |
318 | * Description : |
319 | * Read the attribute from the input file. |
320 | * |
321 | * Parameters : |
322 | * in , input file handle. |
323 | * f , the field to fill. |
324 | * |
325 | **************************************************************************/ |
326 | |
327 | void getFieldAttributes(parse_file_t *in, field_t *f) |
328 | { |
329 | char * token; |
330 | char car; |
331 | |
332 | f->name = NULL; |
333 | |
334 | while(1) { |
335 | token = getToken(in); |
336 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
337 | ungetToken(in); |
338 | break; |
339 | } |
340 | |
341 | if(!strcmp("name",token)) { |
342 | getEqual(in); |
343 | car = seekNextChar(in); |
344 | if(car == EOF) in->error(in,"name was expected"); |
345 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
346 | else f->name = allocAndCopy(getName(in)); |
347 | } |
7479dd85 |
348 | } |
3583026d |
349 | } |
350 | |
351 | char *getNameAttribute(parse_file_t *in) |
352 | { |
353 | char * token; |
354 | char *name = NULL; |
355 | char car; |
356 | |
357 | while(1) { |
358 | token = getToken(in); |
3583026d |
359 | if(!strcmp("name",token)) { |
360 | getEqual(in); |
361 | car = seekNextChar(in); |
362 | if(car == EOF) in->error(in,"name was expected"); |
363 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
364 | else name = allocAndCopy(getName(in)); |
64a6ab10 |
365 | } else { |
366 | ungetToken(in); |
367 | break; |
3583026d |
368 | } |
64a6ab10 |
369 | |
3583026d |
370 | } |
371 | if(name == NULL) in->error(in, "Name was expected"); |
372 | return name; |
3583026d |
373 | } |
374 | |
375 | |
376 | |
377 | //for <label name=label_name value=n format="..."/>, value is an option |
bb9014e6 |
378 | //Return value : 0 : no value, 1 : has a value |
379 | int getValueAttribute(parse_file_t *in, long long *value) |
3583026d |
380 | { |
381 | char * token; |
bb9014e6 |
382 | int has_quotes = 0; |
3583026d |
383 | |
384 | token = getToken(in); |
385 | if(strcmp("/",token) == 0){ |
386 | ungetToken(in); |
bb9014e6 |
387 | return 0; |
3583026d |
388 | } |
389 | |
390 | if(strcmp("value",token))in->error(in,"value was expected"); |
391 | getEqual(in); |
392 | token = getToken(in); |
bb9014e6 |
393 | |
394 | if(token[0] == '"') { |
395 | has_quotes = 1; |
396 | token = getToken(in); |
397 | } |
398 | if(in->type == NUMBER) { |
399 | *value = strtoll(token, NULL, 0); |
400 | } else { |
401 | goto error; |
402 | } |
403 | if(has_quotes) { |
404 | token = getToken(in); |
405 | if(token[0] != '"') goto error; |
406 | } |
407 | return 1; |
408 | |
409 | error: |
410 | in->error(in,"incorrect size specification"); |
411 | return 0; |
3583026d |
412 | } |
413 | |
414 | char * getDescription(parse_file_t *in) |
415 | { |
416 | long int pos; |
417 | char * token, car, *str; |
418 | |
419 | pos = ftell(in->fp); |
420 | |
421 | getLAnglebracket(in); |
422 | token = getName(in); |
423 | if(strcmp("description",token)){ |
424 | fseek(in->fp, pos, SEEK_SET); |
425 | return NULL; |
426 | } |
427 | |
428 | getRAnglebracket(in); |
429 | |
430 | pos = 0; |
431 | while((car = getc(in->fp)) != EOF) { |
432 | if(car == '<') break; |
433 | if(car == '\0') continue; |
434 | in->buffer[pos] = car; |
435 | pos++; |
436 | } |
437 | if(car == EOF)in->error(in,"not a valid description"); |
438 | in->buffer[pos] = '\0'; |
439 | |
440 | str = allocAndCopy(in->buffer); |
441 | |
442 | getForwardslash(in); |
443 | token = getName(in); |
444 | if(strcmp("description", token))in->error(in,"not a valid description"); |
445 | getRAnglebracket(in); |
446 | |
447 | return str; |
448 | } |
449 | |
450 | /***************************************************************************** |
451 | *Function name |
452 | * parseFacility : generate event list |
453 | *Input params |
454 | * in : input file handle |
455 | * fac : empty facility |
456 | *Output params |
457 | * fac : facility filled with event list |
458 | ****************************************************************************/ |
459 | |
460 | void parseFacility(parse_file_t *in, facility_t * fac) |
461 | { |
462 | char * token; |
463 | event_t *ev; |
464 | |
465 | getFacilityAttributes(in, fac); |
466 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
ffaf5031 |
467 | |
3583026d |
468 | fac->capname = allocAndCopy(fac->name); |
469 | strupper(fac->capname); |
470 | getRAnglebracket(in); |
471 | |
472 | fac->description = getDescription(in); |
473 | |
474 | while(1){ |
475 | getLAnglebracket(in); |
476 | |
477 | token = getToken(in); |
478 | if(in->type == ENDFILE) |
479 | in->error(in,"the definition of the facility is not finished"); |
480 | |
481 | if(strcmp("event",token) == 0){ |
482 | ev = (event_t*) memAlloc(sizeof(event_t)); |
483 | sequence_push(&(fac->events),ev); |
484 | parseEvent(in,ev, &(fac->unnamed_types), &(fac->named_types)); |
485 | }else if(strcmp("type",token) == 0){ |
486 | parseTypeDefinition(in, &(fac->unnamed_types), &(fac->named_types)); |
487 | }else if(in->type == FORWARDSLASH){ |
488 | break; |
489 | }else in->error(in,"event or type token expected\n"); |
490 | } |
491 | |
492 | token = getName(in); |
493 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
494 | getRAnglebracket(in); //</facility> |
495 | } |
496 | |
497 | /***************************************************************************** |
498 | *Function name |
499 | * parseEvent : generate event from event definition |
500 | *Input params |
501 | * in : input file handle |
502 | * ev : new event |
503 | * unnamed_types : array of unamed types |
504 | * named_types : array of named types |
505 | *Output params |
506 | * ev : new event (parameters are passed to it) |
507 | ****************************************************************************/ |
508 | |
509 | void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
510 | table_t * named_types) |
511 | { |
512 | char *token; |
47299663 |
513 | field_t *f; |
3583026d |
514 | |
47299663 |
515 | sequence_init(&(ev->fields)); |
3583026d |
516 | //<event name=eventtype_name> |
517 | getEventAttributes(in, ev); |
518 | if(ev->name == NULL) in->error(in, "Event not named"); |
519 | getRAnglebracket(in); |
520 | |
47299663 |
521 | //<description>...</description> |
3583026d |
522 | ev->description = getDescription(in); |
523 | |
47299663 |
524 | int got_end = 0; |
525 | /* Events can have multiple fields. each field form at least a function |
526 | * parameter of the logging function. */ |
527 | while(!got_end) { |
528 | getLAnglebracket(in); |
529 | token = getToken(in); |
530 | |
531 | switch(in->type) { |
532 | case FORWARDSLASH: /* </event> */ |
533 | token = getName(in); |
534 | if(strcmp("event",token))in->error(in,"not an event definition"); |
535 | getRAnglebracket(in); //</event> |
536 | got_end = 1; |
537 | break; |
538 | case NAME: /* a field */ |
539 | if(strcmp("field",token))in->error(in,"expecting a field"); |
540 | f = (field_t *)memAlloc(sizeof(field_t)); |
541 | sequence_push(&(ev->fields),f); |
a67cd958 |
542 | parseFields(in, f, unnamed_types, named_types, 1); |
47299663 |
543 | break; |
544 | default: |
545 | in->error(in, "expecting </event> or <field >"); |
546 | break; |
547 | } |
548 | } |
549 | #if 0 |
550 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
551 | ev->type = NULL; |
552 | }else if(in->type == NAME){ |
553 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
554 | ungetToken(in); |
555 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
556 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
557 | in->error(in,"type must be a struct"); |
558 | }else in->error(in, "not a valid type"); |
559 | |
560 | getLAnglebracket(in); |
561 | getForwardslash(in); |
562 | }else in->error(in,"not a struct type"); |
563 | getLAnglebracket(in); |
564 | getForwardslash(in); |
565 | token = getName(in); |
566 | if(strcmp("event",token))in->error(in,"not an event definition"); |
567 | getRAnglebracket(in); //</event> |
568 | #endif //0 |
3583026d |
569 | } |
570 | |
571 | /***************************************************************************** |
572 | *Function name |
573 | * parseField : get field infomation from buffer |
574 | *Input params |
575 | * in : input file handle |
47299663 |
576 | * f : field |
3583026d |
577 | * unnamed_types : array of unamed types |
578 | * named_types : array of named types |
a67cd958 |
579 | * tag : is field surrounded by a <field> </field> tag ? |
3583026d |
580 | ****************************************************************************/ |
581 | |
47299663 |
582 | void parseFields(parse_file_t *in, field_t *f, |
3583026d |
583 | sequence_t * unnamed_types, |
a67cd958 |
584 | table_t * named_types, |
585 | int tag) |
3583026d |
586 | { |
587 | char * token; |
a67cd958 |
588 | if(tag) { |
589 | //<field name=field_name> <description> <type> </field> |
590 | getFieldAttributes(in, f); |
591 | if(f->name == NULL) in->error(in, "Field not named"); |
592 | getRAnglebracket(in); |
3583026d |
593 | |
a67cd958 |
594 | f->description = getDescription(in); |
7479dd85 |
595 | } else { |
596 | f->description = NULL; |
a67cd958 |
597 | } |
3583026d |
598 | |
599 | //<int size=...> |
600 | getLAnglebracket(in); |
601 | f->type = parseType(in,NULL, unnamed_types, named_types); |
602 | |
a67cd958 |
603 | if(tag) { |
604 | getLAnglebracket(in); |
605 | getForwardslash(in); |
606 | token = getName(in); |
607 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
608 | getRAnglebracket(in); //</field> |
609 | } |
3583026d |
610 | } |
611 | |
612 | |
613 | /***************************************************************************** |
614 | *Function name |
615 | * parseType : get type information, type can be : |
616 | * Primitive: |
617 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
618 | * string(fmt); enum(size,fmt,(label1,label2...)) |
619 | * Compound: |
620 | * array(arraySize, type); sequence(lengthSize,type) |
621 | * struct(field(name,type,description)...) |
622 | * type name: |
623 | * type(name,type) |
624 | *Input params |
625 | * in : input file handle |
626 | * inType : a type descriptor |
627 | * unnamed_types : array of unamed types |
628 | * named_types : array of named types |
629 | *Return values |
630 | * type_descriptor* : a type descriptor |
631 | ****************************************************************************/ |
632 | |
633 | type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType, |
634 | sequence_t * unnamed_types, table_t * named_types) |
635 | { |
636 | char *token; |
637 | type_descriptor_t *t; |
47299663 |
638 | field_t *f; |
3583026d |
639 | |
640 | if(inType == NULL) { |
641 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
642 | t->type_name = NULL; |
643 | t->type = NONE; |
644 | t->fmt = NULL; |
645 | sequence_push(unnamed_types,t); |
646 | } |
647 | else t = inType; |
648 | |
649 | token = getName(in); |
650 | |
651 | if(strcmp(token,"struct") == 0) { |
652 | t->type = STRUCT; |
be97b953 |
653 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
654 | getRAnglebracket(in); //<struct> |
655 | getLAnglebracket(in); //<field name=..> |
656 | token = getToken(in); |
657 | sequence_init(&(t->fields)); |
658 | while(strcmp("field",token) == 0){ |
47299663 |
659 | f = (field_t *)memAlloc(sizeof(field_t)); |
660 | sequence_push(&(t->fields),f); |
661 | |
a67cd958 |
662 | parseFields(in, f, unnamed_types, named_types, 1); |
3583026d |
663 | |
664 | //next field |
665 | getLAnglebracket(in); |
666 | token = getToken(in); |
667 | } |
668 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
669 | token = getName(in); |
670 | if(strcmp("struct",token)!=0) |
671 | in->error(in,"not a valid structure definition"); |
672 | getRAnglebracket(in); //</struct> |
673 | } |
674 | else if(strcmp(token,"union") == 0) { |
675 | t->type = UNION; |
be97b953 |
676 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
677 | getRAnglebracket(in); //<union> |
3583026d |
678 | |
679 | getLAnglebracket(in); //<field name=..> |
680 | token = getToken(in); |
681 | sequence_init(&(t->fields)); |
682 | while(strcmp("field",token) == 0){ |
47299663 |
683 | f = (field_t *)memAlloc(sizeof(field_t)); |
684 | sequence_push(&(t->fields),f); |
a67cd958 |
685 | parseFields(in, f, unnamed_types, named_types, 1); |
3583026d |
686 | |
687 | //next field |
688 | getLAnglebracket(in); |
689 | token = getToken(in); |
690 | } |
691 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
692 | token = getName(in); |
693 | if(strcmp("union",token)!=0) |
694 | in->error(in,"not a valid union definition"); |
695 | getRAnglebracket(in); //</union> |
696 | } |
697 | else if(strcmp(token,"array") == 0) { |
698 | t->type = ARRAY; |
a67cd958 |
699 | sequence_init(&(t->fields)); |
be97b953 |
700 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
701 | if(t->size == 0) in->error(in, "Array has empty size"); |
702 | getForwardslash(in); |
3583026d |
703 | getRAnglebracket(in); //<array size=n> |
704 | |
2e415130 |
705 | //getLAnglebracket(in); //<subtype> |
a67cd958 |
706 | /* subfield */ |
707 | f = (field_t *)memAlloc(sizeof(field_t)); |
708 | sequence_push(&(t->fields),f); |
709 | parseFields(in, f, unnamed_types, named_types, 0); |
710 | |
711 | //getLAnglebracket(in); //<type struct> |
712 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
3583026d |
713 | |
714 | getLAnglebracket(in); //</array> |
715 | getForwardslash(in); |
716 | token = getName(in); |
717 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
718 | getRAnglebracket(in); //</array> |
719 | } |
720 | else if(strcmp(token,"sequence") == 0) { |
721 | t->type = SEQUENCE; |
a67cd958 |
722 | sequence_init(&(t->fields)); |
64a6ab10 |
723 | getTypeAttributes(in, t, unnamed_types, named_types); |
724 | getForwardslash(in); |
be97b953 |
725 | getRAnglebracket(in); //<sequence> |
3583026d |
726 | |
2e415130 |
727 | //getLAnglebracket(in); //<sequence size type> |
a67cd958 |
728 | /* subfield */ |
729 | f = (field_t *)memAlloc(sizeof(field_t)); |
730 | sequence_push(&(t->fields),f); |
731 | parseFields(in, f, unnamed_types, named_types, 0); |
732 | |
2e415130 |
733 | //getLAnglebracket(in); //<subtype> |
a67cd958 |
734 | /* subfield */ |
735 | f = (field_t *)memAlloc(sizeof(field_t)); |
736 | sequence_push(&(t->fields),f); |
737 | parseFields(in, f, unnamed_types, named_types, 0); |
3583026d |
738 | |
a67cd958 |
739 | //getLAnglebracket(in); //<type sequence> |
740 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
be97b953 |
741 | |
a67cd958 |
742 | //getLAnglebracket(in); //<type sequence> |
be97b953 |
743 | |
a67cd958 |
744 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
745 | |
746 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
747 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
748 | switch(((field_t*)t->fields.array[0])->type->type) { |
be97b953 |
749 | case UINT_FIXED : |
750 | case UCHAR : |
751 | case USHORT : |
752 | case UINT : |
753 | case ULONG : |
754 | case SIZE_T : |
755 | case OFF_T : |
756 | break; |
757 | default: |
758 | in->error(in, "Wrong length type for sequence"); |
759 | } |
760 | |
3583026d |
761 | getLAnglebracket(in); //</sequence> |
762 | getForwardslash(in); |
763 | token = getName(in); |
764 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
765 | getRAnglebracket(in); //</sequence> |
766 | } |
767 | else if(strcmp(token,"enum") == 0) { |
70f46ac3 |
768 | char * str; |
bb9014e6 |
769 | long long value = -1; |
70f46ac3 |
770 | |
3583026d |
771 | t->type = ENUM; |
772 | sequence_init(&(t->labels)); |
70f46ac3 |
773 | sequence_init(&(t->labels_values)); |
3583026d |
774 | sequence_init(&(t->labels_description)); |
775 | t->already_printed = 0; |
be97b953 |
776 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
777 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
bf6349fa |
778 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
2d2d14a7 |
779 | //fox copy optimisation. |
bf6349fa |
780 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
781 | t->size = 0; |
3583026d |
782 | getRAnglebracket(in); |
783 | |
784 | //<label name=label1 value=n/> |
785 | getLAnglebracket(in); |
786 | token = getToken(in); //"label" or "/" |
787 | while(strcmp("label",token) == 0){ |
70f46ac3 |
788 | int *label_value = malloc(sizeof(int)); |
bb9014e6 |
789 | int has_value = 0; |
790 | long long loc_value; |
70f46ac3 |
791 | |
9dae5ec2 |
792 | str = allocAndCopy(getNameAttribute(in)); |
bb9014e6 |
793 | has_value = getValueAttribute(in, &loc_value); |
70f46ac3 |
794 | |
795 | sequence_push(&(t->labels),str); |
796 | |
bb9014e6 |
797 | if(has_value) value = loc_value; |
70f46ac3 |
798 | else value++; |
799 | |
800 | *label_value = value; |
801 | sequence_push(&(t->labels_values), label_value); |
3583026d |
802 | |
803 | getForwardslash(in); |
804 | getRAnglebracket(in); |
805 | |
806 | //read description if any. May be NULL. |
807 | str = allocAndCopy(getDescription(in)); |
808 | sequence_push(&(t->labels_description),str); |
809 | |
810 | //next label definition |
811 | getLAnglebracket(in); |
812 | token = getToken(in); //"label" or "/" |
813 | } |
814 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
815 | token = getName(in); |
816 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
817 | getRAnglebracket(in); //</label> |
818 | } |
2d2d14a7 |
819 | else if(strcmp(token,"int_fixed") == 0) { |
820 | t->type = INT_FIXED; |
be97b953 |
821 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
822 | if(t->size == 0) in->error(in, "int has empty size"); |
823 | getForwardslash(in); |
824 | getRAnglebracket(in); |
825 | } |
826 | else if(strcmp(token,"uint_fixed") == 0) { |
827 | t->type = UINT_FIXED; |
be97b953 |
828 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
829 | if(t->size == 0) in->error(in, "uint has empty size"); |
830 | getForwardslash(in); |
831 | getRAnglebracket(in); |
832 | } |
833 | else if(strcmp(token,"char") == 0) { |
834 | t->type = CHAR; |
be97b953 |
835 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
836 | t->size = 1; |
2d2d14a7 |
837 | getForwardslash(in); |
838 | getRAnglebracket(in); |
839 | } |
840 | else if(strcmp(token,"uchar") == 0) { |
841 | t->type = UCHAR; |
be97b953 |
842 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
843 | t->size = 1; |
2d2d14a7 |
844 | getForwardslash(in); |
845 | getRAnglebracket(in); |
846 | } |
847 | else if(strcmp(token,"short") == 0) { |
848 | t->type = SHORT; |
be97b953 |
849 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
850 | t->size = 2; |
2d2d14a7 |
851 | getForwardslash(in); |
852 | getRAnglebracket(in); |
853 | } |
854 | else if(strcmp(token,"ushort") == 0) { |
855 | t->type = USHORT; |
be97b953 |
856 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
857 | t->size = 2; |
2d2d14a7 |
858 | getForwardslash(in); |
859 | getRAnglebracket(in); |
860 | } |
3583026d |
861 | else if(strcmp(token,"int") == 0) { |
862 | t->type = INT; |
be97b953 |
863 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
864 | getForwardslash(in); |
865 | getRAnglebracket(in); |
866 | } |
867 | else if(strcmp(token,"uint") == 0) { |
868 | t->type = UINT; |
be97b953 |
869 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
870 | getForwardslash(in); |
871 | getRAnglebracket(in); |
872 | } |
2d2d14a7 |
873 | |
3583026d |
874 | else if(strcmp(token,"pointer") == 0) { |
875 | t->type = POINTER; |
be97b953 |
876 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
877 | getForwardslash(in); |
878 | getRAnglebracket(in); |
879 | } |
880 | else if(strcmp(token,"long") == 0) { |
881 | t->type = LONG; |
be97b953 |
882 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
883 | getForwardslash(in); |
884 | getRAnglebracket(in); |
885 | } |
886 | else if(strcmp(token,"ulong") == 0) { |
887 | t->type = ULONG; |
be97b953 |
888 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
889 | getForwardslash(in); |
890 | getRAnglebracket(in); |
891 | } |
892 | else if(strcmp(token,"size_t") == 0) { |
893 | t->type = SIZE_T; |
be97b953 |
894 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
895 | getForwardslash(in); |
896 | getRAnglebracket(in); |
897 | } |
898 | else if(strcmp(token,"ssize_t") == 0) { |
899 | t->type = SSIZE_T; |
be97b953 |
900 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
901 | getForwardslash(in); |
902 | getRAnglebracket(in); |
903 | } |
904 | else if(strcmp(token,"off_t") == 0) { |
905 | t->type = OFF_T; |
be97b953 |
906 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
907 | getForwardslash(in); |
908 | getRAnglebracket(in); |
909 | } |
910 | else if(strcmp(token,"float") == 0) { |
911 | t->type = FLOAT; |
be97b953 |
912 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
913 | getForwardslash(in); |
914 | getRAnglebracket(in); |
915 | } |
916 | else if(strcmp(token,"string") == 0) { |
917 | t->type = STRING; |
be97b953 |
918 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
919 | getForwardslash(in); |
920 | getRAnglebracket(in); |
921 | } |
922 | else if(strcmp(token,"typeref") == 0){ |
923 | // Must be a named type |
a67cd958 |
924 | free(t); |
925 | sequence_pop(unnamed_types); |
926 | token = getNameAttribute(in); |
927 | t = find_named_type(token, named_types); |
928 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
929 | getForwardslash(in); //<typeref name=type_name/> |
930 | getRAnglebracket(in); |
931 | return t; |
3583026d |
932 | }else in->error(in,"not a valid type"); |
933 | |
934 | return t; |
935 | } |
936 | |
937 | /***************************************************************************** |
938 | *Function name |
939 | * find_named_type : find a named type from hash table |
940 | *Input params |
941 | * name : type name |
942 | * named_types : array of named types |
943 | *Return values |
944 | * type_descriptor * : a type descriptor |
945 | *****************************************************************************/ |
946 | |
947 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
948 | { |
949 | type_descriptor_t *t; |
950 | |
951 | t = table_find(named_types,name); |
34c1d1b5 |
952 | |
3583026d |
953 | return t; |
34c1d1b5 |
954 | } |
955 | |
956 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
957 | { |
958 | type_descriptor_t *t; |
959 | |
960 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
961 | t->type_name = allocAndCopy(name); |
962 | t->type = NONE; |
963 | t->fmt = NULL; |
964 | table_insert(named_types,t->type_name,t); |
965 | // table_insert(named_types,allocAndCopy(name),t); |
966 | return t; |
967 | } |
3583026d |
968 | |
969 | /***************************************************************************** |
970 | *Function name |
971 | * parseTypeDefinition : get type information from type definition |
972 | *Input params |
973 | * in : input file handle |
974 | * unnamed_types : array of unamed types |
975 | * named_types : array of named types |
976 | *****************************************************************************/ |
977 | |
978 | void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types, |
979 | table_t * named_types) |
980 | { |
981 | char *token; |
982 | type_descriptor_t *t; |
983 | |
984 | token = getNameAttribute(in); |
985 | if(token == NULL) in->error(in, "Type has empty name"); |
34c1d1b5 |
986 | t = create_named_type(token, named_types); |
3583026d |
987 | |
988 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
989 | getRAnglebracket(in); //<type name=type_name> |
990 | getLAnglebracket(in); //< |
991 | token = getName(in); |
992 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
993 | ungetToken(in); |
994 | parseType(in,t, unnamed_types, named_types); |
995 | |
996 | //</type> |
997 | getLAnglebracket(in); |
998 | getForwardslash(in); |
999 | token = getName(in); |
1000 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
1001 | getRAnglebracket(in); //</type> |
1002 | } |
1003 | |
1004 | /************************************************************************** |
1005 | * Function : |
1006 | * getComa, getName, getNumber, getEqual |
1007 | * Description : |
1008 | * Read a token from the input file, check its type, return it scontent. |
1009 | * |
1010 | * Parameters : |
1011 | * in , input file handle. |
1012 | * |
1013 | * Return values : |
1014 | * address of token content. |
1015 | * |
1016 | **************************************************************************/ |
1017 | |
1018 | char *getName(parse_file_t * in) |
1019 | { |
1020 | char *token; |
1021 | |
1022 | token = getToken(in); |
9dae5ec2 |
1023 | // Optional descriptions |
1024 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
3583026d |
1025 | return token; |
1026 | } |
1027 | |
1028 | int getNumber(parse_file_t * in) |
1029 | { |
1030 | char *token; |
1031 | |
1032 | token = getToken(in); |
1033 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
1034 | return atoi(token); |
1035 | } |
1036 | |
1037 | char *getForwardslash(parse_file_t * in) |
1038 | { |
1039 | char *token; |
1040 | |
1041 | token = getToken(in); |
2d2d14a7 |
1042 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1043 | /* Mathieu : final / is optional now. */ |
1044 | if(in->type != FORWARDSLASH) ungetToken(in); |
1045 | |
3583026d |
1046 | return token; |
1047 | } |
1048 | |
1049 | char *getLAnglebracket(parse_file_t * in) |
1050 | { |
1051 | char *token; |
1052 | |
1053 | token = getToken(in); |
1054 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1055 | return token; |
1056 | } |
1057 | |
1058 | char *getRAnglebracket(parse_file_t * in) |
1059 | { |
1060 | char *token; |
1061 | |
1062 | token = getToken(in); |
1063 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1064 | return token; |
1065 | } |
1066 | |
1067 | char *getQuotedString(parse_file_t * in) |
1068 | { |
1069 | char *token; |
1070 | |
1071 | token = getToken(in); |
1072 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1073 | return token; |
1074 | } |
1075 | |
1076 | char * getEqual(parse_file_t *in) |
1077 | { |
1078 | char *token; |
1079 | |
1080 | token = getToken(in); |
1081 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1082 | return token; |
1083 | } |
1084 | |
1085 | char seekNextChar(parse_file_t *in) |
1086 | { |
1087 | char car; |
1088 | while((car = getc(in->fp)) != EOF) { |
1089 | if(!isspace(car)){ |
1090 | ungetc(car,in->fp); |
1091 | return car; |
1092 | } |
1093 | } |
1094 | return EOF; |
1095 | } |
1096 | |
1097 | /****************************************************************** |
1098 | * Function : |
1099 | * getToken, ungetToken |
1100 | * Description : |
1101 | * Read a token from the input file and return its type and content. |
1102 | * Line numbers are accounted for and whitespace/comments are skipped. |
1103 | * |
1104 | * Parameters : |
1105 | * in, input file handle. |
1106 | * |
1107 | * Return values : |
1108 | * address of token content. |
1109 | * |
1110 | ******************************************************************/ |
1111 | |
1112 | void ungetToken(parse_file_t * in) |
1113 | { |
1114 | in->unget = 1; |
1115 | } |
1116 | |
1117 | char *getToken(parse_file_t * in) |
1118 | { |
1119 | FILE *fp = in->fp; |
1120 | char car, car1; |
1121 | int pos = 0, escaped; |
1122 | |
1123 | if(in->unget == 1) { |
1124 | in->unget = 0; |
1125 | return in->buffer; |
1126 | } |
1127 | |
1128 | /* skip whitespace and comments */ |
1129 | |
1130 | while((car = getc(fp)) != EOF) { |
1131 | if(car == '/') { |
1132 | car1 = getc(fp); |
1133 | if(car1 == '*') skipComment(in); |
1134 | else if(car1 == '/') skipEOL(in); |
1135 | else { |
1136 | car1 = ungetc(car1,fp); |
1137 | break; |
1138 | } |
1139 | } |
1140 | else if(car == '\n') in->lineno++; |
1141 | else if(!isspace(car)) break; |
1142 | } |
1143 | |
1144 | switch(car) { |
1145 | case EOF: |
1146 | in->type = ENDFILE; |
1147 | break; |
1148 | case '/': |
1149 | in->type = FORWARDSLASH; |
1150 | in->buffer[pos] = car; |
1151 | pos++; |
1152 | break; |
1153 | case '<': |
1154 | in->type = LANGLEBRACKET; |
1155 | in->buffer[pos] = car; |
1156 | pos++; |
1157 | break; |
1158 | case '>': |
1159 | in->type = RANGLEBRACKET; |
1160 | in->buffer[pos] = car; |
1161 | pos++; |
1162 | break; |
1163 | case '=': |
1164 | in->type = EQUAL; |
1165 | in->buffer[pos] = car; |
1166 | pos++; |
1167 | break; |
1168 | case '"': |
1169 | escaped = 0; |
1170 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1171 | if(car == '\\' && escaped == 0) { |
1172 | in->buffer[pos] = car; |
1173 | pos++; |
1174 | escaped = 1; |
1175 | continue; |
1176 | } |
1177 | if(car == '"' && escaped == 0) break; |
1178 | if(car == '\n' && escaped == 0) { |
1179 | in->error(in, "non escaped newline inside quoted string"); |
1180 | } |
1181 | if(car == '\n') in->lineno++; |
1182 | in->buffer[pos] = car; |
1183 | pos++; |
1184 | escaped = 0; |
1185 | } |
1186 | if(car == EOF) in->error(in,"no ending quotemark"); |
1187 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1188 | in->type = QUOTEDSTRING; |
1189 | break; |
1190 | default: |
1191 | if(isdigit(car)) { |
1192 | in->buffer[pos] = car; |
1193 | pos++; |
1194 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1195 | if(!isdigit(car)) { |
1196 | ungetc(car,fp); |
1197 | break; |
1198 | } |
1199 | in->buffer[pos] = car; |
1200 | pos++; |
1201 | } |
1202 | if(car == EOF) ungetc(car,fp); |
1203 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1204 | in->type = NUMBER; |
1205 | } |
9dae5ec2 |
1206 | else if(isalnum(car) || car == '_' || car == '-') { |
3583026d |
1207 | in->buffer[0] = car; |
1208 | pos = 1; |
1209 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
9dae5ec2 |
1210 | if(!(isalnum(car) || car == '_' || car == '-')) { |
3583026d |
1211 | ungetc(car,fp); |
1212 | break; |
1213 | } |
1214 | in->buffer[pos] = car; |
1215 | pos++; |
1216 | } |
1217 | if(car == EOF) ungetc(car,fp); |
1218 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1219 | in->type = NAME; |
1220 | } |
1221 | else in->error(in, "invalid character, unrecognized token"); |
1222 | } |
1223 | in->buffer[pos] = 0; |
1224 | return in->buffer; |
1225 | } |
1226 | |
1227 | void skipComment(parse_file_t * in) |
1228 | { |
1229 | char car; |
1230 | while((car = getc(in->fp)) != EOF) { |
1231 | if(car == '\n') in->lineno++; |
1232 | else if(car == '*') { |
1233 | car = getc(in->fp); |
1234 | if(car ==EOF) break; |
1235 | if(car == '/') return; |
1236 | ungetc(car,in->fp); |
1237 | } |
1238 | } |
1239 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1240 | } |
1241 | |
1242 | void skipEOL(parse_file_t * in) |
1243 | { |
1244 | char car; |
1245 | while((car = getc(in->fp)) != EOF) { |
1246 | if(car == '\n') { |
1247 | ungetc(car,in->fp); |
1248 | break; |
1249 | } |
1250 | } |
1251 | if(car == EOF)ungetc(car, in->fp); |
1252 | } |
1253 | |
1254 | /***************************************************************************** |
1255 | *Function name |
1256 | * checkNamedTypesImplemented : check if all named types have definition |
1257 | ****************************************************************************/ |
1258 | |
1259 | void checkNamedTypesImplemented(table_t * named_types) |
1260 | { |
1261 | type_descriptor_t *t; |
1262 | int pos; |
1263 | char str[256]; |
1264 | |
1265 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
1266 | t = (type_descriptor_t *) named_types->values.array[pos]; |
1267 | if(t->type == NONE){ |
1268 | sprintf(str,"named type '%s' has no definition", |
1269 | (char*)named_types->keys.array[pos]); |
1270 | error_callback(NULL,str); |
1271 | } |
1272 | } |
1273 | } |
1274 | |
1275 | |
1276 | /***************************************************************************** |
1277 | *Function name |
1278 | * generateChecksum : generate checksum for the facility |
1279 | *Input Params |
1280 | * facName : name of facility |
1281 | *Output Params |
1282 | * checksum : checksum for the facility |
1283 | ****************************************************************************/ |
1284 | |
1285 | void generateChecksum(char* facName, |
30d72138 |
1286 | unsigned int * checksum, sequence_t * events) |
3583026d |
1287 | { |
1288 | unsigned long crc ; |
1289 | int pos; |
1290 | event_t * ev; |
bf6349fa |
1291 | unsigned int i; |
3583026d |
1292 | |
1293 | crc = crc32(facName); |
1294 | for(pos = 0; pos < events->position; pos++){ |
1295 | ev = (event_t *)(events->array[pos]); |
47299663 |
1296 | crc = partial_crc32(ev->name, crc); |
bf6349fa |
1297 | for(i = 0; i < ev->fields.position; i++) { |
47299663 |
1298 | field_t *f = (field_t*)ev->fields.array[i]; |
1299 | crc = partial_crc32(f->name, crc); |
1300 | crc = getTypeChecksum(crc, f->type); |
1301 | } |
3583026d |
1302 | } |
1303 | *checksum = crc; |
1304 | } |
1305 | |
1306 | /***************************************************************************** |
1307 | *Function name |
1308 | * getTypeChecksum : generate checksum by type info |
1309 | *Input Params |
1310 | * crc : checksum generated so far |
1311 | * type : type descriptor containing type info |
1312 | *Return value |
1313 | * unsigned long : checksum |
1314 | *****************************************************************************/ |
1315 | |
1316 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
1317 | { |
1318 | unsigned long crc = aCrc; |
1319 | char * str = NULL, buf[16]; |
1320 | int flag = 0, pos; |
1321 | field_t * fld; |
1322 | |
1323 | switch(type->type){ |
2d2d14a7 |
1324 | case INT_FIXED: |
1325 | str = intOutputTypes[getSizeindex(type->size)]; |
3583026d |
1326 | break; |
2d2d14a7 |
1327 | case UINT_FIXED: |
1328 | str = uintOutputTypes[getSizeindex(type->size)]; |
3583026d |
1329 | break; |
1330 | case POINTER: |
1331 | str = allocAndCopy("void *"); |
1332 | flag = 1; |
1333 | break; |
2d2d14a7 |
1334 | case CHAR: |
1335 | str = allocAndCopy("signed char"); |
1336 | flag = 1; |
1337 | break; |
1338 | case UCHAR: |
1339 | str = allocAndCopy("unsigned char"); |
1340 | flag = 1; |
1341 | break; |
1342 | case SHORT: |
1343 | str = allocAndCopy("short"); |
1344 | flag = 1; |
1345 | break; |
1346 | case USHORT: |
1347 | str = allocAndCopy("unsigned short"); |
1348 | flag = 1; |
1349 | break; |
1350 | case INT: |
1351 | str = allocAndCopy("int"); |
1352 | flag = 1; |
1353 | break; |
1354 | case UINT: |
1355 | str = allocAndCopy("uint"); |
1356 | flag = 1; |
1357 | break; |
3583026d |
1358 | case LONG: |
1359 | str = allocAndCopy("long"); |
1360 | flag = 1; |
1361 | break; |
1362 | case ULONG: |
1363 | str = allocAndCopy("unsigned long"); |
1364 | flag = 1; |
1365 | break; |
1366 | case SIZE_T: |
1367 | str = allocAndCopy("size_t"); |
1368 | flag = 1; |
1369 | break; |
1370 | case SSIZE_T: |
1371 | str = allocAndCopy("ssize_t"); |
1372 | flag = 1; |
1373 | break; |
1374 | case OFF_T: |
1375 | str = allocAndCopy("off_t"); |
1376 | flag = 1; |
1377 | break; |
1378 | case FLOAT: |
2d2d14a7 |
1379 | str = floatOutputTypes[getSizeindex(type->size)]; |
3583026d |
1380 | break; |
1381 | case STRING: |
1382 | str = allocAndCopy("string"); |
1383 | flag = 1; |
1384 | break; |
1385 | case ENUM: |
2d2d14a7 |
1386 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1387 | str = allocAndCopy("enum"); |
3583026d |
1388 | flag = 1; |
1389 | break; |
1390 | case ARRAY: |
2e415130 |
1391 | sprintf(buf,"%zu", type->size); |
3583026d |
1392 | str = appendString("array ",buf); |
1393 | flag = 1; |
1394 | break; |
1395 | case SEQUENCE: |
294f0059 |
1396 | str = allocAndCopy("sequence "); |
3583026d |
1397 | flag = 1; |
1398 | break; |
1399 | case STRUCT: |
1400 | str = allocAndCopy("struct"); |
1401 | flag = 1; |
1402 | break; |
1403 | case UNION: |
1404 | str = allocAndCopy("union"); |
1405 | flag = 1; |
1406 | break; |
1407 | default: |
1408 | error_callback(NULL, "named type has no definition"); |
1409 | break; |
1410 | } |
1411 | |
1412 | crc = partial_crc32(str,crc); |
1413 | if(flag) free(str); |
1414 | |
1415 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1416 | |
2e415130 |
1417 | if(type->type == ARRAY){ |
1418 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1419 | } else if(type->type ==SEQUENCE) { |
1420 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1421 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1422 | } else if(type->type == STRUCT || type->type == UNION){ |
3583026d |
1423 | for(pos =0; pos < type->fields.position; pos++){ |
1424 | fld = (field_t *) type->fields.array[pos]; |
1425 | crc = partial_crc32(fld->name,crc); |
1426 | crc = getTypeChecksum(crc, fld->type); |
1427 | } |
1428 | }else if(type->type == ENUM){ |
1429 | for(pos = 0; pos < type->labels.position; pos++) |
1430 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1431 | } |
1432 | |
1433 | return crc; |
1434 | } |
1435 | |
1436 | |
1437 | /* Event type descriptors */ |
1438 | void freeType(type_descriptor_t * tp) |
1439 | { |
1440 | int pos2; |
1441 | field_t *f; |
1442 | |
1443 | if(tp->fmt != NULL) free(tp->fmt); |
1444 | if(tp->type == ENUM) { |
1445 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1446 | free(tp->labels.array[pos2]); |
1447 | } |
1448 | sequence_dispose(&(tp->labels)); |
70f46ac3 |
1449 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1450 | free(tp->labels_values.array[pos2]); |
1451 | } |
1452 | sequence_dispose(&(tp->labels_values)); |
3583026d |
1453 | } |
1454 | if(tp->type == STRUCT) { |
1455 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
1456 | f = (field_t *) tp->fields.array[pos2]; |
1457 | free(f->name); |
1458 | free(f->description); |
1459 | free(f); |
1460 | } |
1461 | sequence_dispose(&(tp->fields)); |
1462 | } |
1463 | } |
1464 | |
1465 | void freeNamedType(table_t * t) |
1466 | { |
1467 | int pos; |
1468 | type_descriptor_t * td; |
1469 | |
1470 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1471 | free((char *)t->keys.array[pos]); |
1472 | td = (type_descriptor_t*)t->values.array[pos]; |
1473 | freeType(td); |
1474 | free(td); |
1475 | } |
1476 | } |
1477 | |
1478 | void freeTypes(sequence_t *t) |
1479 | { |
1480 | int pos; |
1481 | type_descriptor_t *tp; |
1482 | |
1483 | for(pos = 0 ; pos < t->position; pos++) { |
1484 | tp = (type_descriptor_t *)t->array[pos]; |
1485 | freeType(tp); |
1486 | free(tp); |
1487 | } |
1488 | } |
1489 | |
1490 | void freeEvents(sequence_t *t) |
1491 | { |
1492 | int pos; |
1493 | event_t *ev; |
1494 | |
1495 | for(pos = 0 ; pos < t->position; pos++) { |
1496 | ev = (event_t *) t->array[pos]; |
1497 | free(ev->name); |
1498 | free(ev->description); |
47299663 |
1499 | sequence_dispose(&ev->fields); |
3583026d |
1500 | free(ev); |
1501 | } |
1502 | |
1503 | } |
1504 | |
1505 | |
1506 | /* Extensible array */ |
1507 | |
1508 | void sequence_init(sequence_t *t) |
1509 | { |
1510 | t->size = 10; |
1511 | t->position = 0; |
1512 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1513 | } |
1514 | |
1515 | void sequence_dispose(sequence_t *t) |
1516 | { |
1517 | t->size = 0; |
1518 | free(t->array); |
1519 | t->array = NULL; |
1520 | } |
1521 | |
1522 | void sequence_push(sequence_t *t, void *elem) |
1523 | { |
1524 | void **tmp; |
1525 | |
1526 | if(t->position >= t->size) { |
1527 | tmp = t->array; |
1528 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1529 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1530 | t->size = t->size * 2; |
1531 | free(tmp); |
1532 | } |
1533 | t->array[t->position] = elem; |
1534 | t->position++; |
1535 | } |
1536 | |
1537 | void *sequence_pop(sequence_t *t) |
1538 | { |
b0f04dc3 |
1539 | if(t->position == 0) printf("Error : trying to pop an empty sequence"); |
1540 | return t->array[--t->position]; |
3583026d |
1541 | } |
1542 | |
1543 | |
1544 | /* Hash table API, implementation is just linear search for now */ |
1545 | |
1546 | void table_init(table_t *t) |
1547 | { |
1548 | sequence_init(&(t->keys)); |
1549 | sequence_init(&(t->values)); |
1550 | } |
1551 | |
1552 | void table_dispose(table_t *t) |
1553 | { |
1554 | sequence_dispose(&(t->keys)); |
1555 | sequence_dispose(&(t->values)); |
1556 | } |
1557 | |
1558 | void table_insert(table_t *t, char *key, void *value) |
1559 | { |
1560 | sequence_push(&(t->keys),key); |
1561 | sequence_push(&(t->values),value); |
1562 | } |
1563 | |
1564 | void *table_find(table_t *t, char *key) |
1565 | { |
1566 | int pos; |
1567 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1568 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1569 | return(t->values.array[pos]); |
1570 | } |
1571 | return NULL; |
1572 | } |
1573 | |
1574 | void table_insert_int(table_t *t, int *key, void *value) |
1575 | { |
1576 | sequence_push(&(t->keys),key); |
1577 | sequence_push(&(t->values),value); |
1578 | } |
1579 | |
1580 | void *table_find_int(table_t *t, int *key) |
1581 | { |
1582 | int pos; |
1583 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1584 | if(*key == *(int *)t->keys.array[pos]) |
1585 | return(t->values.array[pos]); |
1586 | } |
1587 | return NULL; |
1588 | } |
1589 | |
1590 | |
1591 | /* Concatenate strings */ |
1592 | |
1593 | char *appendString(char *s, char *suffix) |
1594 | { |
1595 | char *tmp; |
1596 | if(suffix == NULL) return s; |
1597 | |
1598 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1599 | strcpy(tmp,s); |
1600 | strcat(tmp,suffix); |
1601 | return tmp; |
1602 | } |