90395b4b |
1 | /* |
0dee0e75 |
2 | |
3 | parser.c: Generate helper declarations and functions to trace events |
4 | from an event description file. |
5 | |
6 | Copyright (C) 2005, Mathieu Desnoyers |
7 | Copyright (C) 2002, Xianxiu Yang |
8 | Copyright (C) 2002, Michel Dagenais |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by |
11 | the Free Software Foundation; version 2 of the License. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ |
90395b4b |
22 | |
23 | /* This program reads the ".xml" event definitions input files |
24 | and constructs structure for each event. |
25 | |
26 | The program uses a very simple tokenizer, called from a hand written |
27 | recursive descent parser to fill a data structure describing the events. |
28 | The result is a sequence of events definitions which refer to type |
29 | definitions. |
30 | |
31 | A table of named types is maintained to allow refering to types by name |
32 | when the same type is used at several places. Finally a sequence of |
33 | all types is maintained to facilitate the freeing of all type |
34 | information when the processing of an ".xml" file is finished. */ |
35 | |
36 | #include <stdlib.h> |
37 | #include <string.h> |
38 | #include <stdio.h> |
39 | #include <stdarg.h> |
40 | #include <linux/errno.h> |
41 | #include <assert.h> |
a0c1f622 |
42 | #include <ctype.h> |
90395b4b |
43 | |
44 | #include "parser.h" |
45 | |
46 | |
f104d082 |
47 | char *intOutputTypes[] = { |
48 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
a0c1f622 |
49 | |
f104d082 |
50 | char *uintOutputTypes[] = { |
51 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
a0c1f622 |
52 | |
f104d082 |
53 | char *floatOutputTypes[] = { |
54 | "undef", "undef", "float", "double" }; |
a0c1f622 |
55 | |
56 | |
57 | |
58 | |
90395b4b |
59 | /* helper function */ |
60 | void strupper(char *string) |
61 | { |
62 | char *ptr = string; |
63 | |
64 | while(*ptr != '\0') { |
65 | *ptr = toupper(*ptr); |
66 | ptr++; |
67 | } |
68 | } |
69 | |
70 | |
f104d082 |
71 | int getSizeindex(unsigned int value) |
90395b4b |
72 | { |
73 | switch(value) { |
74 | case 1: |
75 | return 0; |
76 | case 2: |
77 | return 1; |
78 | case 4: |
79 | return 2; |
80 | case 8: |
81 | return 3; |
82 | default: |
83 | printf("Error : unknown value size %d\n", value); |
84 | exit(-1); |
85 | } |
86 | } |
87 | |
88 | /***************************************************************************** |
89 | *Function name |
90 | * getSize : translate from string to integer |
91 | *Input params |
92 | * in : input file handle |
93 | *Return values |
94 | * size |
95 | *****************************************************************************/ |
96 | |
f104d082 |
97 | unsigned long long int getSize(parse_file_t *in) |
90395b4b |
98 | { |
99 | char *token; |
100 | |
101 | token = getToken(in); |
102 | if(in->type == NUMBER) { |
f104d082 |
103 | return strtoull(token, NULL, 0); |
90395b4b |
104 | } |
105 | in->error(in,"incorrect size specification"); |
106 | return -1; |
107 | } |
108 | |
109 | /***************************************************************************** |
110 | *Function name |
111 | * error_callback : print out error info |
112 | *Input params |
113 | * in : input file handle |
114 | * msg : message to be printed |
115 | ****************************************************************************/ |
116 | |
90699b2b |
117 | void error_callback(parse_file_t *in, char *msg) |
90395b4b |
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 | |
f104d082 |
178 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
179 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
180 | { |
181 | char * token; |
90395b4b |
182 | |
183 | t->fmt = NULL; |
f104d082 |
184 | t->size = 0; |
7df766d3 |
185 | t->custom_write = 0; |
90395b4b |
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)); |
203 | } else if(!strcmp("size",token)) { |
204 | getEqual(in); |
205 | t->size = getSize(in); |
7df766d3 |
206 | } else if(!strcmp("custom_write", token)) { |
207 | t->custom_write = 1; |
90395b4b |
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 | |
90699b2b |
224 | void getEventAttributes(parse_file_t *in, event_t *ev) |
90395b4b |
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 | |
90699b2b |
267 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
90395b4b |
268 | { |
269 | char * token; |
270 | char car; |
271 | |
272 | fac->name = NULL; |
f5d7967f |
273 | fac->arch = NULL; |
90395b4b |
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)); |
f5d7967f |
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 | } |
90395b4b |
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 | |
90699b2b |
309 | void getFieldAttributes(parse_file_t *in, field_t *f) |
90395b4b |
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 | |
90699b2b |
333 | char *getNameAttribute(parse_file_t *in) |
90395b4b |
334 | { |
335 | char * token; |
336 | char *name = NULL; |
337 | char car; |
338 | |
339 | while(1) { |
340 | token = getToken(in); |
90395b4b |
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)); |
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347 | } else { |
348 | ungetToken(in); |
349 | break; |
90395b4b |
350 | } |
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351 | |
90395b4b |
352 | } |
353 | if(name == NULL) in->error(in, "Name was expected"); |
354 | return name; |
90395b4b |
355 | } |
356 | |
357 | |
358 | |
359 | //for <label name=label_name value=n format="..."/>, value is an option |
90699b2b |
360 | char * getValueStrAttribute(parse_file_t *in) |
90395b4b |
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 | |
90699b2b |
377 | char * getDescription(parse_file_t *in) |
90395b4b |
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 | |
90699b2b |
423 | void parseFacility(parse_file_t *in, facility_t * fac) |
90395b4b |
424 | { |
425 | char * token; |
90699b2b |
426 | event_t *ev; |
90395b4b |
427 | |
428 | getFacilityAttributes(in, fac); |
429 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
f5d7967f |
430 | |
90395b4b |
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){ |
90699b2b |
445 | ev = (event_t*) memAlloc(sizeof(event_t)); |
90395b4b |
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 | |
90699b2b |
472 | void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
473 | table_t * named_types) |
90395b4b |
474 | { |
475 | char *token; |
f104d082 |
476 | field_t *f; |
90395b4b |
477 | |
f104d082 |
478 | sequence_init(&(ev->fields)); |
90395b4b |
479 | //<event name=eventtype_name> |
480 | getEventAttributes(in, ev); |
481 | if(ev->name == NULL) in->error(in, "Event not named"); |
482 | getRAnglebracket(in); |
483 | |
f104d082 |
484 | //<description>...</description> |
90395b4b |
485 | ev->description = getDescription(in); |
486 | |
f104d082 |
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); |
505 | parseFields(in, f, unnamed_types, named_types, 1); |
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 |
90395b4b |
532 | } |
533 | |
534 | /***************************************************************************** |
535 | *Function name |
536 | * parseField : get field infomation from buffer |
537 | *Input params |
538 | * in : input file handle |
f104d082 |
539 | * f : field |
90395b4b |
540 | * unnamed_types : array of unamed types |
541 | * named_types : array of named types |
f104d082 |
542 | * tag : is field surrounded by a <field> </field> tag ? |
90395b4b |
543 | ****************************************************************************/ |
544 | |
f104d082 |
545 | void parseFields(parse_file_t *in, field_t *f, |
90699b2b |
546 | sequence_t * unnamed_types, |
f104d082 |
547 | table_t * named_types, |
548 | int tag) |
90395b4b |
549 | { |
550 | char * token; |
f104d082 |
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); |
90395b4b |
556 | |
f104d082 |
557 | f->description = getDescription(in); |
15244807 |
558 | } else { |
559 | f->description = NULL; |
f104d082 |
560 | } |
90395b4b |
561 | |
562 | //<int size=...> |
563 | getLAnglebracket(in); |
564 | f->type = parseType(in,NULL, unnamed_types, named_types); |
565 | |
f104d082 |
566 | if(tag) { |
567 | getLAnglebracket(in); |
568 | getForwardslash(in); |
569 | token = getName(in); |
570 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
571 | getRAnglebracket(in); //</field> |
572 | } |
90395b4b |
573 | } |
574 | |
575 | |
576 | /***************************************************************************** |
577 | *Function name |
578 | * parseType : get type information, type can be : |
579 | * Primitive: |
580 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
581 | * string(fmt); enum(size,fmt,(label1,label2...)) |
582 | * Compound: |
583 | * array(arraySize, type); sequence(lengthSize,type) |
584 | * struct(field(name,type,description)...) |
585 | * type name: |
586 | * type(name,type) |
587 | *Input params |
588 | * in : input file handle |
589 | * inType : a type descriptor |
590 | * unnamed_types : array of unamed types |
591 | * named_types : array of named types |
592 | *Return values |
593 | * type_descriptor* : a type descriptor |
594 | ****************************************************************************/ |
595 | |
90699b2b |
596 | type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType, |
597 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
598 | { |
599 | char *token; |
90699b2b |
600 | type_descriptor_t *t; |
f104d082 |
601 | field_t *f; |
90395b4b |
602 | |
603 | if(inType == NULL) { |
90699b2b |
604 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
90395b4b |
605 | t->type_name = NULL; |
606 | t->type = NONE; |
607 | t->fmt = NULL; |
608 | sequence_push(unnamed_types,t); |
609 | } |
610 | else t = inType; |
611 | |
612 | token = getName(in); |
613 | |
614 | if(strcmp(token,"struct") == 0) { |
615 | t->type = STRUCT; |
f104d082 |
616 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
617 | getRAnglebracket(in); //<struct> |
618 | getLAnglebracket(in); //<field name=..> |
619 | token = getToken(in); |
620 | sequence_init(&(t->fields)); |
621 | while(strcmp("field",token) == 0){ |
f104d082 |
622 | f = (field_t *)memAlloc(sizeof(field_t)); |
623 | sequence_push(&(t->fields),f); |
624 | |
625 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
626 | |
627 | //next field |
628 | getLAnglebracket(in); |
629 | token = getToken(in); |
630 | } |
631 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
632 | token = getName(in); |
633 | if(strcmp("struct",token)!=0) |
634 | in->error(in,"not a valid structure definition"); |
635 | getRAnglebracket(in); //</struct> |
636 | } |
637 | else if(strcmp(token,"union") == 0) { |
638 | t->type = UNION; |
f104d082 |
639 | getTypeAttributes(in, t, unnamed_types, named_types); |
640 | getRAnglebracket(in); //<union> |
90395b4b |
641 | |
642 | getLAnglebracket(in); //<field name=..> |
643 | token = getToken(in); |
644 | sequence_init(&(t->fields)); |
645 | while(strcmp("field",token) == 0){ |
f104d082 |
646 | f = (field_t *)memAlloc(sizeof(field_t)); |
647 | sequence_push(&(t->fields),f); |
648 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
649 | |
650 | //next field |
651 | getLAnglebracket(in); |
652 | token = getToken(in); |
653 | } |
654 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
655 | token = getName(in); |
656 | if(strcmp("union",token)!=0) |
657 | in->error(in,"not a valid union definition"); |
658 | getRAnglebracket(in); //</union> |
659 | } |
660 | else if(strcmp(token,"array") == 0) { |
661 | t->type = ARRAY; |
f104d082 |
662 | sequence_init(&(t->fields)); |
663 | getTypeAttributes(in, t, unnamed_types, named_types); |
664 | if(t->size == 0) in->error(in, "Array has empty size"); |
665 | getForwardslash(in); |
90395b4b |
666 | getRAnglebracket(in); //<array size=n> |
667 | |
f104d082 |
668 | //getLAnglebracket(in); //<subtype> |
669 | /* subfield */ |
670 | f = (field_t *)memAlloc(sizeof(field_t)); |
671 | sequence_push(&(t->fields),f); |
672 | parseFields(in, f, unnamed_types, named_types, 0); |
673 | |
674 | //getLAnglebracket(in); //<type struct> |
675 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
90395b4b |
676 | |
677 | getLAnglebracket(in); //</array> |
678 | getForwardslash(in); |
679 | token = getName(in); |
680 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
681 | getRAnglebracket(in); //</array> |
682 | } |
683 | else if(strcmp(token,"sequence") == 0) { |
684 | t->type = SEQUENCE; |
f104d082 |
685 | sequence_init(&(t->fields)); |
7df766d3 |
686 | getTypeAttributes(in, t, unnamed_types, named_types); |
687 | getForwardslash(in); |
f104d082 |
688 | getRAnglebracket(in); //<sequence> |
689 | |
690 | //getLAnglebracket(in); //<sequence size type> |
691 | /* subfield */ |
692 | f = (field_t *)memAlloc(sizeof(field_t)); |
693 | sequence_push(&(t->fields),f); |
694 | parseFields(in, f, unnamed_types, named_types, 0); |
695 | |
696 | //getLAnglebracket(in); //<subtype> |
697 | /* subfield */ |
698 | f = (field_t *)memAlloc(sizeof(field_t)); |
699 | sequence_push(&(t->fields),f); |
700 | parseFields(in, f, unnamed_types, named_types, 0); |
701 | |
702 | //getLAnglebracket(in); //<type sequence> |
703 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
704 | |
705 | //getLAnglebracket(in); //<type sequence> |
706 | |
707 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
708 | |
709 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
710 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
711 | switch(((field_t*)t->fields.array[0])->type->type) { |
712 | case UINT_FIXED : |
713 | case UCHAR : |
714 | case USHORT : |
715 | case UINT : |
716 | case ULONG : |
717 | case SIZE_T : |
718 | case OFF_T : |
719 | break; |
720 | default: |
721 | in->error(in, "Wrong length type for sequence"); |
722 | } |
90395b4b |
723 | |
724 | getLAnglebracket(in); //</sequence> |
725 | getForwardslash(in); |
726 | token = getName(in); |
727 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
728 | getRAnglebracket(in); //</sequence> |
729 | } |
730 | else if(strcmp(token,"enum") == 0) { |
f104d082 |
731 | char * str; |
732 | int value = -1; |
733 | |
90395b4b |
734 | t->type = ENUM; |
735 | sequence_init(&(t->labels)); |
f104d082 |
736 | sequence_init(&(t->labels_values)); |
90395b4b |
737 | sequence_init(&(t->labels_description)); |
738 | t->already_printed = 0; |
f104d082 |
739 | getTypeAttributes(in, t, unnamed_types, named_types); |
740 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
741 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
742 | //fox copy optimisation. |
743 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
744 | t->size = 0; |
90395b4b |
745 | getRAnglebracket(in); |
746 | |
747 | //<label name=label1 value=n/> |
748 | getLAnglebracket(in); |
749 | token = getToken(in); //"label" or "/" |
750 | while(strcmp("label",token) == 0){ |
f104d082 |
751 | int *label_value = malloc(sizeof(int)); |
752 | |
7b143580 |
753 | str = allocAndCopy(getNameAttribute(in)); |
90395b4b |
754 | token = getValueStrAttribute(in); |
f104d082 |
755 | |
756 | sequence_push(&(t->labels),str); |
757 | |
758 | if(token) value = strtol(token, NULL, 0); |
759 | else value++; |
760 | |
761 | *label_value = value; |
762 | sequence_push(&(t->labels_values), label_value); |
90395b4b |
763 | |
764 | getForwardslash(in); |
765 | getRAnglebracket(in); |
766 | |
767 | //read description if any. May be NULL. |
768 | str = allocAndCopy(getDescription(in)); |
769 | sequence_push(&(t->labels_description),str); |
770 | |
771 | //next label definition |
772 | getLAnglebracket(in); |
773 | token = getToken(in); //"label" or "/" |
774 | } |
775 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
776 | token = getName(in); |
777 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
778 | getRAnglebracket(in); //</label> |
779 | } |
f104d082 |
780 | else if(strcmp(token,"int_fixed") == 0) { |
781 | t->type = INT_FIXED; |
782 | getTypeAttributes(in, t, unnamed_types, named_types); |
783 | if(t->size == 0) in->error(in, "int has empty size"); |
784 | getForwardslash(in); |
785 | getRAnglebracket(in); |
786 | } |
787 | else if(strcmp(token,"uint_fixed") == 0) { |
788 | t->type = UINT_FIXED; |
789 | getTypeAttributes(in, t, unnamed_types, named_types); |
790 | if(t->size == 0) in->error(in, "uint has empty size"); |
791 | getForwardslash(in); |
792 | getRAnglebracket(in); |
793 | } |
794 | else if(strcmp(token,"char") == 0) { |
795 | t->type = CHAR; |
f104d082 |
796 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
797 | t->size = 1; |
f104d082 |
798 | getForwardslash(in); |
799 | getRAnglebracket(in); |
800 | } |
801 | else if(strcmp(token,"uchar") == 0) { |
802 | t->type = UCHAR; |
f104d082 |
803 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
804 | t->size = 1; |
f104d082 |
805 | getForwardslash(in); |
806 | getRAnglebracket(in); |
807 | } |
808 | else if(strcmp(token,"short") == 0) { |
809 | t->type = SHORT; |
f104d082 |
810 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
811 | t->size = 2; |
f104d082 |
812 | getForwardslash(in); |
813 | getRAnglebracket(in); |
814 | } |
815 | else if(strcmp(token,"ushort") == 0) { |
816 | t->type = USHORT; |
f104d082 |
817 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
818 | t->size = 2; |
f104d082 |
819 | getForwardslash(in); |
820 | getRAnglebracket(in); |
821 | } |
90395b4b |
822 | else if(strcmp(token,"int") == 0) { |
823 | t->type = INT; |
f104d082 |
824 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
825 | getForwardslash(in); |
826 | getRAnglebracket(in); |
827 | } |
828 | else if(strcmp(token,"uint") == 0) { |
829 | t->type = UINT; |
f104d082 |
830 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
831 | getForwardslash(in); |
832 | getRAnglebracket(in); |
833 | } |
f104d082 |
834 | |
90395b4b |
835 | else if(strcmp(token,"pointer") == 0) { |
836 | t->type = POINTER; |
f104d082 |
837 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
838 | getForwardslash(in); |
839 | getRAnglebracket(in); |
840 | } |
841 | else if(strcmp(token,"long") == 0) { |
842 | t->type = LONG; |
f104d082 |
843 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
844 | getForwardslash(in); |
845 | getRAnglebracket(in); |
846 | } |
847 | else if(strcmp(token,"ulong") == 0) { |
848 | t->type = ULONG; |
f104d082 |
849 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
850 | getForwardslash(in); |
851 | getRAnglebracket(in); |
852 | } |
853 | else if(strcmp(token,"size_t") == 0) { |
854 | t->type = SIZE_T; |
f104d082 |
855 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
856 | getForwardslash(in); |
857 | getRAnglebracket(in); |
858 | } |
859 | else if(strcmp(token,"ssize_t") == 0) { |
860 | t->type = SSIZE_T; |
f104d082 |
861 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
862 | getForwardslash(in); |
863 | getRAnglebracket(in); |
864 | } |
865 | else if(strcmp(token,"off_t") == 0) { |
866 | t->type = OFF_T; |
f104d082 |
867 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
868 | getForwardslash(in); |
869 | getRAnglebracket(in); |
870 | } |
871 | else if(strcmp(token,"float") == 0) { |
872 | t->type = FLOAT; |
f104d082 |
873 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
874 | getForwardslash(in); |
875 | getRAnglebracket(in); |
876 | } |
877 | else if(strcmp(token,"string") == 0) { |
878 | t->type = STRING; |
f104d082 |
879 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
880 | getForwardslash(in); |
881 | getRAnglebracket(in); |
882 | } |
883 | else if(strcmp(token,"typeref") == 0){ |
884 | // Must be a named type |
f104d082 |
885 | free(t); |
886 | sequence_pop(unnamed_types); |
887 | token = getNameAttribute(in); |
888 | t = find_named_type(token, named_types); |
889 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
890 | getForwardslash(in); //<typeref name=type_name/> |
891 | getRAnglebracket(in); |
892 | return t; |
90395b4b |
893 | }else in->error(in,"not a valid type"); |
894 | |
895 | return t; |
896 | } |
897 | |
898 | /***************************************************************************** |
899 | *Function name |
900 | * find_named_type : find a named type from hash table |
901 | *Input params |
902 | * name : type name |
903 | * named_types : array of named types |
904 | *Return values |
905 | * type_descriptor * : a type descriptor |
906 | *****************************************************************************/ |
907 | |
90699b2b |
908 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
90395b4b |
909 | { |
90699b2b |
910 | type_descriptor_t *t; |
90395b4b |
911 | |
912 | t = table_find(named_types,name); |
f104d082 |
913 | |
90395b4b |
914 | return t; |
f104d082 |
915 | } |
916 | |
917 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
918 | { |
919 | type_descriptor_t *t; |
920 | |
921 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
922 | t->type_name = allocAndCopy(name); |
923 | t->type = NONE; |
924 | t->fmt = NULL; |
925 | table_insert(named_types,t->type_name,t); |
926 | // table_insert(named_types,allocAndCopy(name),t); |
927 | return t; |
928 | } |
90395b4b |
929 | |
930 | /***************************************************************************** |
931 | *Function name |
932 | * parseTypeDefinition : get type information from type definition |
933 | *Input params |
934 | * in : input file handle |
935 | * unnamed_types : array of unamed types |
936 | * named_types : array of named types |
937 | *****************************************************************************/ |
938 | |
90699b2b |
939 | void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types, |
940 | table_t * named_types) |
90395b4b |
941 | { |
942 | char *token; |
90699b2b |
943 | type_descriptor_t *t; |
90395b4b |
944 | |
945 | token = getNameAttribute(in); |
946 | if(token == NULL) in->error(in, "Type has empty name"); |
f104d082 |
947 | t = create_named_type(token, named_types); |
90395b4b |
948 | |
949 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
950 | getRAnglebracket(in); //<type name=type_name> |
951 | getLAnglebracket(in); //< |
952 | token = getName(in); |
953 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
954 | ungetToken(in); |
955 | parseType(in,t, unnamed_types, named_types); |
956 | |
957 | //</type> |
958 | getLAnglebracket(in); |
959 | getForwardslash(in); |
960 | token = getName(in); |
961 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
962 | getRAnglebracket(in); //</type> |
963 | } |
964 | |
965 | /************************************************************************** |
966 | * Function : |
967 | * getComa, getName, getNumber, getEqual |
968 | * Description : |
969 | * Read a token from the input file, check its type, return it scontent. |
970 | * |
971 | * Parameters : |
972 | * in , input file handle. |
973 | * |
974 | * Return values : |
975 | * address of token content. |
976 | * |
977 | **************************************************************************/ |
978 | |
90699b2b |
979 | char *getName(parse_file_t * in) |
90395b4b |
980 | { |
981 | char *token; |
982 | |
983 | token = getToken(in); |
7b143580 |
984 | // Optional descriptions |
985 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
90395b4b |
986 | return token; |
987 | } |
988 | |
90699b2b |
989 | int getNumber(parse_file_t * in) |
90395b4b |
990 | { |
991 | char *token; |
992 | |
993 | token = getToken(in); |
994 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
995 | return atoi(token); |
996 | } |
997 | |
90699b2b |
998 | char *getForwardslash(parse_file_t * in) |
90395b4b |
999 | { |
1000 | char *token; |
1001 | |
1002 | token = getToken(in); |
f104d082 |
1003 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1004 | /* Mathieu : final / is optional now. */ |
1005 | if(in->type != FORWARDSLASH) ungetToken(in); |
1006 | |
90395b4b |
1007 | return token; |
1008 | } |
1009 | |
90699b2b |
1010 | char *getLAnglebracket(parse_file_t * in) |
90395b4b |
1011 | { |
1012 | char *token; |
1013 | |
1014 | token = getToken(in); |
1015 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1016 | return token; |
1017 | } |
1018 | |
90699b2b |
1019 | char *getRAnglebracket(parse_file_t * in) |
90395b4b |
1020 | { |
1021 | char *token; |
1022 | |
1023 | token = getToken(in); |
1024 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1025 | return token; |
1026 | } |
1027 | |
90699b2b |
1028 | char *getQuotedString(parse_file_t * in) |
90395b4b |
1029 | { |
1030 | char *token; |
1031 | |
1032 | token = getToken(in); |
1033 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1034 | return token; |
1035 | } |
1036 | |
90699b2b |
1037 | char * getEqual(parse_file_t *in) |
90395b4b |
1038 | { |
1039 | char *token; |
1040 | |
1041 | token = getToken(in); |
1042 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1043 | return token; |
1044 | } |
1045 | |
90699b2b |
1046 | char seekNextChar(parse_file_t *in) |
90395b4b |
1047 | { |
1048 | char car; |
1049 | while((car = getc(in->fp)) != EOF) { |
1050 | if(!isspace(car)){ |
1051 | ungetc(car,in->fp); |
1052 | return car; |
1053 | } |
1054 | } |
1055 | return EOF; |
1056 | } |
1057 | |
1058 | /****************************************************************** |
1059 | * Function : |
1060 | * getToken, ungetToken |
1061 | * Description : |
1062 | * Read a token from the input file and return its type and content. |
1063 | * Line numbers are accounted for and whitespace/comments are skipped. |
1064 | * |
1065 | * Parameters : |
1066 | * in, input file handle. |
1067 | * |
1068 | * Return values : |
1069 | * address of token content. |
1070 | * |
1071 | ******************************************************************/ |
1072 | |
90699b2b |
1073 | void ungetToken(parse_file_t * in) |
90395b4b |
1074 | { |
1075 | in->unget = 1; |
1076 | } |
1077 | |
90699b2b |
1078 | char *getToken(parse_file_t * in) |
90395b4b |
1079 | { |
1080 | FILE *fp = in->fp; |
1081 | char car, car1; |
1082 | int pos = 0, escaped; |
1083 | |
1084 | if(in->unget == 1) { |
1085 | in->unget = 0; |
1086 | return in->buffer; |
1087 | } |
1088 | |
1089 | /* skip whitespace and comments */ |
1090 | |
1091 | while((car = getc(fp)) != EOF) { |
1092 | if(car == '/') { |
1093 | car1 = getc(fp); |
1094 | if(car1 == '*') skipComment(in); |
1095 | else if(car1 == '/') skipEOL(in); |
1096 | else { |
1097 | car1 = ungetc(car1,fp); |
1098 | break; |
1099 | } |
1100 | } |
1101 | else if(car == '\n') in->lineno++; |
1102 | else if(!isspace(car)) break; |
1103 | } |
1104 | |
1105 | switch(car) { |
1106 | case EOF: |
1107 | in->type = ENDFILE; |
1108 | break; |
1109 | case '/': |
1110 | in->type = FORWARDSLASH; |
1111 | in->buffer[pos] = car; |
1112 | pos++; |
1113 | break; |
1114 | case '<': |
1115 | in->type = LANGLEBRACKET; |
1116 | in->buffer[pos] = car; |
1117 | pos++; |
1118 | break; |
1119 | case '>': |
1120 | in->type = RANGLEBRACKET; |
1121 | in->buffer[pos] = car; |
1122 | pos++; |
1123 | break; |
1124 | case '=': |
1125 | in->type = EQUAL; |
1126 | in->buffer[pos] = car; |
1127 | pos++; |
1128 | break; |
1129 | case '"': |
1130 | escaped = 0; |
1131 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1132 | if(car == '\\' && escaped == 0) { |
1133 | in->buffer[pos] = car; |
1134 | pos++; |
1135 | escaped = 1; |
1136 | continue; |
1137 | } |
1138 | if(car == '"' && escaped == 0) break; |
1139 | if(car == '\n' && escaped == 0) { |
1140 | in->error(in, "non escaped newline inside quoted string"); |
1141 | } |
1142 | if(car == '\n') in->lineno++; |
1143 | in->buffer[pos] = car; |
1144 | pos++; |
1145 | escaped = 0; |
1146 | } |
1147 | if(car == EOF) in->error(in,"no ending quotemark"); |
1148 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1149 | in->type = QUOTEDSTRING; |
1150 | break; |
1151 | default: |
1152 | if(isdigit(car)) { |
1153 | in->buffer[pos] = car; |
1154 | pos++; |
1155 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1156 | if(!isdigit(car)) { |
1157 | ungetc(car,fp); |
1158 | break; |
1159 | } |
1160 | in->buffer[pos] = car; |
1161 | pos++; |
1162 | } |
1163 | if(car == EOF) ungetc(car,fp); |
1164 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1165 | in->type = NUMBER; |
1166 | } |
7b143580 |
1167 | else if(isalnum(car) || car == '_' || car == '-') { |
90395b4b |
1168 | in->buffer[0] = car; |
1169 | pos = 1; |
1170 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
7b143580 |
1171 | if(!(isalnum(car) || car == '_' || car == '-')) { |
90395b4b |
1172 | ungetc(car,fp); |
1173 | break; |
1174 | } |
1175 | in->buffer[pos] = car; |
1176 | pos++; |
1177 | } |
1178 | if(car == EOF) ungetc(car,fp); |
1179 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1180 | in->type = NAME; |
1181 | } |
1182 | else in->error(in, "invalid character, unrecognized token"); |
1183 | } |
1184 | in->buffer[pos] = 0; |
1185 | return in->buffer; |
1186 | } |
1187 | |
90699b2b |
1188 | void skipComment(parse_file_t * in) |
90395b4b |
1189 | { |
1190 | char car; |
1191 | while((car = getc(in->fp)) != EOF) { |
1192 | if(car == '\n') in->lineno++; |
1193 | else if(car == '*') { |
1194 | car = getc(in->fp); |
1195 | if(car ==EOF) break; |
1196 | if(car == '/') return; |
1197 | ungetc(car,in->fp); |
1198 | } |
1199 | } |
1200 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1201 | } |
1202 | |
90699b2b |
1203 | void skipEOL(parse_file_t * in) |
90395b4b |
1204 | { |
1205 | char car; |
1206 | while((car = getc(in->fp)) != EOF) { |
1207 | if(car == '\n') { |
1208 | ungetc(car,in->fp); |
1209 | break; |
1210 | } |
1211 | } |
1212 | if(car == EOF)ungetc(car, in->fp); |
1213 | } |
1214 | |
1215 | /***************************************************************************** |
1216 | *Function name |
1217 | * checkNamedTypesImplemented : check if all named types have definition |
1218 | ****************************************************************************/ |
1219 | |
90699b2b |
1220 | void checkNamedTypesImplemented(table_t * named_types) |
90395b4b |
1221 | { |
90699b2b |
1222 | type_descriptor_t *t; |
90395b4b |
1223 | int pos; |
1224 | char str[256]; |
1225 | |
1226 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
90699b2b |
1227 | t = (type_descriptor_t *) named_types->values.array[pos]; |
90395b4b |
1228 | if(t->type == NONE){ |
90699b2b |
1229 | sprintf(str,"named type '%s' has no definition", |
1230 | (char*)named_types->keys.array[pos]); |
90395b4b |
1231 | error_callback(NULL,str); |
1232 | } |
1233 | } |
1234 | } |
1235 | |
1236 | |
1237 | /***************************************************************************** |
1238 | *Function name |
1239 | * generateChecksum : generate checksum for the facility |
1240 | *Input Params |
1241 | * facName : name of facility |
1242 | *Output Params |
1243 | * checksum : checksum for the facility |
1244 | ****************************************************************************/ |
1245 | |
90699b2b |
1246 | void generateChecksum(char* facName, |
f104d082 |
1247 | unsigned int * checksum, sequence_t * events) |
90395b4b |
1248 | { |
1249 | unsigned long crc ; |
1250 | int pos; |
90699b2b |
1251 | event_t * ev; |
2312de30 |
1252 | unsigned int i; |
90395b4b |
1253 | |
1254 | crc = crc32(facName); |
1255 | for(pos = 0; pos < events->position; pos++){ |
90699b2b |
1256 | ev = (event_t *)(events->array[pos]); |
f104d082 |
1257 | crc = partial_crc32(ev->name, crc); |
2312de30 |
1258 | for(i = 0; i < ev->fields.position; i++) { |
f104d082 |
1259 | field_t *f = (field_t*)ev->fields.array[i]; |
1260 | crc = partial_crc32(f->name, crc); |
1261 | crc = getTypeChecksum(crc, f->type); |
1262 | } |
90395b4b |
1263 | } |
1264 | *checksum = crc; |
1265 | } |
1266 | |
1267 | /***************************************************************************** |
1268 | *Function name |
1269 | * getTypeChecksum : generate checksum by type info |
1270 | *Input Params |
1271 | * crc : checksum generated so far |
1272 | * type : type descriptor containing type info |
1273 | *Return value |
1274 | * unsigned long : checksum |
1275 | *****************************************************************************/ |
1276 | |
90699b2b |
1277 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
90395b4b |
1278 | { |
1279 | unsigned long crc = aCrc; |
1280 | char * str = NULL, buf[16]; |
1281 | int flag = 0, pos; |
90699b2b |
1282 | field_t * fld; |
90395b4b |
1283 | |
1284 | switch(type->type){ |
f104d082 |
1285 | case INT_FIXED: |
1286 | str = intOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1287 | break; |
f104d082 |
1288 | case UINT_FIXED: |
1289 | str = uintOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1290 | break; |
1291 | case POINTER: |
1292 | str = allocAndCopy("void *"); |
1293 | flag = 1; |
1294 | break; |
f104d082 |
1295 | case CHAR: |
1296 | str = allocAndCopy("signed char"); |
1297 | flag = 1; |
1298 | break; |
1299 | case UCHAR: |
1300 | str = allocAndCopy("unsigned char"); |
1301 | flag = 1; |
1302 | break; |
1303 | case SHORT: |
1304 | str = allocAndCopy("short"); |
1305 | flag = 1; |
1306 | break; |
1307 | case USHORT: |
1308 | str = allocAndCopy("unsigned short"); |
1309 | flag = 1; |
1310 | break; |
1311 | case INT: |
1312 | str = allocAndCopy("int"); |
1313 | flag = 1; |
1314 | break; |
1315 | case UINT: |
1316 | str = allocAndCopy("uint"); |
1317 | flag = 1; |
1318 | break; |
90395b4b |
1319 | case LONG: |
1320 | str = allocAndCopy("long"); |
1321 | flag = 1; |
1322 | break; |
1323 | case ULONG: |
1324 | str = allocAndCopy("unsigned long"); |
1325 | flag = 1; |
1326 | break; |
1327 | case SIZE_T: |
1328 | str = allocAndCopy("size_t"); |
1329 | flag = 1; |
1330 | break; |
1331 | case SSIZE_T: |
1332 | str = allocAndCopy("ssize_t"); |
1333 | flag = 1; |
1334 | break; |
1335 | case OFF_T: |
1336 | str = allocAndCopy("off_t"); |
1337 | flag = 1; |
1338 | break; |
1339 | case FLOAT: |
f104d082 |
1340 | str = floatOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1341 | break; |
1342 | case STRING: |
1343 | str = allocAndCopy("string"); |
1344 | flag = 1; |
1345 | break; |
1346 | case ENUM: |
f104d082 |
1347 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1348 | str = allocAndCopy("enum"); |
90395b4b |
1349 | flag = 1; |
1350 | break; |
1351 | case ARRAY: |
f104d082 |
1352 | sprintf(buf,"%zu", type->size); |
90395b4b |
1353 | str = appendString("array ",buf); |
1354 | flag = 1; |
1355 | break; |
1356 | case SEQUENCE: |
743e50fd |
1357 | str = allocAndCopy("sequence "); |
90395b4b |
1358 | flag = 1; |
1359 | break; |
1360 | case STRUCT: |
1361 | str = allocAndCopy("struct"); |
1362 | flag = 1; |
1363 | break; |
1364 | case UNION: |
1365 | str = allocAndCopy("union"); |
1366 | flag = 1; |
1367 | break; |
1368 | default: |
1369 | error_callback(NULL, "named type has no definition"); |
1370 | break; |
1371 | } |
1372 | |
1373 | crc = partial_crc32(str,crc); |
1374 | if(flag) free(str); |
1375 | |
1376 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1377 | |
f104d082 |
1378 | if(type->type == ARRAY){ |
1379 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1380 | } else if(type->type ==SEQUENCE) { |
1381 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1382 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1383 | } else if(type->type == STRUCT || type->type == UNION){ |
90395b4b |
1384 | for(pos =0; pos < type->fields.position; pos++){ |
90699b2b |
1385 | fld = (field_t *) type->fields.array[pos]; |
90395b4b |
1386 | crc = partial_crc32(fld->name,crc); |
1387 | crc = getTypeChecksum(crc, fld->type); |
1388 | } |
1389 | }else if(type->type == ENUM){ |
1390 | for(pos = 0; pos < type->labels.position; pos++) |
1391 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1392 | } |
1393 | |
1394 | return crc; |
1395 | } |
1396 | |
1397 | |
1398 | /* Event type descriptors */ |
90699b2b |
1399 | void freeType(type_descriptor_t * tp) |
90395b4b |
1400 | { |
1401 | int pos2; |
90699b2b |
1402 | field_t *f; |
90395b4b |
1403 | |
1404 | if(tp->fmt != NULL) free(tp->fmt); |
1405 | if(tp->type == ENUM) { |
1406 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1407 | free(tp->labels.array[pos2]); |
1408 | } |
1409 | sequence_dispose(&(tp->labels)); |
f104d082 |
1410 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1411 | free(tp->labels_values.array[pos2]); |
1412 | } |
1413 | sequence_dispose(&(tp->labels_values)); |
90395b4b |
1414 | } |
1415 | if(tp->type == STRUCT) { |
1416 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
90699b2b |
1417 | f = (field_t *) tp->fields.array[pos2]; |
90395b4b |
1418 | free(f->name); |
1419 | free(f->description); |
1420 | free(f); |
1421 | } |
1422 | sequence_dispose(&(tp->fields)); |
1423 | } |
1424 | } |
1425 | |
90699b2b |
1426 | void freeNamedType(table_t * t) |
90395b4b |
1427 | { |
1428 | int pos; |
90699b2b |
1429 | type_descriptor_t * td; |
90395b4b |
1430 | |
1431 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1432 | free((char *)t->keys.array[pos]); |
90699b2b |
1433 | td = (type_descriptor_t*)t->values.array[pos]; |
90395b4b |
1434 | freeType(td); |
1435 | free(td); |
1436 | } |
1437 | } |
1438 | |
90699b2b |
1439 | void freeTypes(sequence_t *t) |
90395b4b |
1440 | { |
a0c1f622 |
1441 | int pos; |
90699b2b |
1442 | type_descriptor_t *tp; |
90395b4b |
1443 | |
1444 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1445 | tp = (type_descriptor_t *)t->array[pos]; |
90395b4b |
1446 | freeType(tp); |
1447 | free(tp); |
1448 | } |
1449 | } |
1450 | |
90699b2b |
1451 | void freeEvents(sequence_t *t) |
90395b4b |
1452 | { |
1453 | int pos; |
90699b2b |
1454 | event_t *ev; |
90395b4b |
1455 | |
1456 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1457 | ev = (event_t *) t->array[pos]; |
90395b4b |
1458 | free(ev->name); |
1459 | free(ev->description); |
f104d082 |
1460 | sequence_dispose(&ev->fields); |
90395b4b |
1461 | free(ev); |
1462 | } |
1463 | |
1464 | } |
1465 | |
1466 | |
1467 | /* Extensible array */ |
1468 | |
90699b2b |
1469 | void sequence_init(sequence_t *t) |
90395b4b |
1470 | { |
1471 | t->size = 10; |
1472 | t->position = 0; |
1473 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1474 | } |
1475 | |
90699b2b |
1476 | void sequence_dispose(sequence_t *t) |
90395b4b |
1477 | { |
1478 | t->size = 0; |
1479 | free(t->array); |
1480 | t->array = NULL; |
1481 | } |
1482 | |
90699b2b |
1483 | void sequence_push(sequence_t *t, void *elem) |
90395b4b |
1484 | { |
1485 | void **tmp; |
1486 | |
1487 | if(t->position >= t->size) { |
1488 | tmp = t->array; |
1489 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1490 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1491 | t->size = t->size * 2; |
1492 | free(tmp); |
1493 | } |
1494 | t->array[t->position] = elem; |
1495 | t->position++; |
1496 | } |
1497 | |
90699b2b |
1498 | void *sequence_pop(sequence_t *t) |
90395b4b |
1499 | { |
845a3be5 |
1500 | if(t->position == 0) printf("Error : trying to pop an empty sequence"); |
1501 | return t->array[--t->position]; |
90395b4b |
1502 | } |
1503 | |
1504 | |
1505 | /* Hash table API, implementation is just linear search for now */ |
1506 | |
90699b2b |
1507 | void table_init(table_t *t) |
90395b4b |
1508 | { |
1509 | sequence_init(&(t->keys)); |
1510 | sequence_init(&(t->values)); |
1511 | } |
1512 | |
90699b2b |
1513 | void table_dispose(table_t *t) |
90395b4b |
1514 | { |
1515 | sequence_dispose(&(t->keys)); |
1516 | sequence_dispose(&(t->values)); |
1517 | } |
1518 | |
90699b2b |
1519 | void table_insert(table_t *t, char *key, void *value) |
90395b4b |
1520 | { |
1521 | sequence_push(&(t->keys),key); |
1522 | sequence_push(&(t->values),value); |
1523 | } |
1524 | |
90699b2b |
1525 | void *table_find(table_t *t, char *key) |
90395b4b |
1526 | { |
1527 | int pos; |
1528 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1529 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1530 | return(t->values.array[pos]); |
1531 | } |
1532 | return NULL; |
1533 | } |
1534 | |
90699b2b |
1535 | void table_insert_int(table_t *t, int *key, void *value) |
90395b4b |
1536 | { |
1537 | sequence_push(&(t->keys),key); |
1538 | sequence_push(&(t->values),value); |
1539 | } |
1540 | |
90699b2b |
1541 | void *table_find_int(table_t *t, int *key) |
90395b4b |
1542 | { |
1543 | int pos; |
1544 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1545 | if(*key == *(int *)t->keys.array[pos]) |
1546 | return(t->values.array[pos]); |
1547 | } |
1548 | return NULL; |
1549 | } |
1550 | |
1551 | |
1552 | /* Concatenate strings */ |
1553 | |
1554 | char *appendString(char *s, char *suffix) |
1555 | { |
1556 | char *tmp; |
1557 | if(suffix == NULL) return s; |
1558 | |
1559 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1560 | strcpy(tmp,s); |
1561 | strcat(tmp,suffix); |
1562 | return tmp; |
1563 | } |