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