90395b4b |
1 | /* |
1b44b0b5 |
2 | * parser.c: Generate helper declarations and functions to trace events |
3 | * from an event description file. |
4 | * |
5 | * Copyright (C) 2005, Mathieu Desnoyers |
6 | * Copyright (C) 2002, Xianxiu Yang |
7 | * Copyright (C) 2002, Michel Dagenais |
8 | * |
9 | * This library is free software; you can redistribute it and/or |
10 | * modify it under the terms of the GNU Lesser General Public |
11 | * License Version 2.1 as published by the Free Software Foundation. |
12 | * |
13 | * This library 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 GNU |
16 | * Lesser General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the |
20 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
21 | * Boston, MA 02111-1307, USA. |
22 | */ |
90395b4b |
23 | |
24 | /* This program reads the ".xml" event definitions input files |
25 | and constructs structure for each event. |
26 | |
27 | The program uses a very simple tokenizer, called from a hand written |
28 | recursive descent parser to fill a data structure describing the events. |
29 | The result is a sequence of events definitions which refer to type |
30 | definitions. |
31 | |
32 | A table of named types is maintained to allow refering to types by name |
33 | when the same type is used at several places. Finally a sequence of |
34 | all types is maintained to facilitate the freeing of all type |
35 | information when the processing of an ".xml" file is finished. */ |
36 | |
37 | #include <stdlib.h> |
38 | #include <string.h> |
39 | #include <stdio.h> |
40 | #include <stdarg.h> |
41 | #include <linux/errno.h> |
42 | #include <assert.h> |
a0c1f622 |
43 | #include <ctype.h> |
90395b4b |
44 | |
45 | #include "parser.h" |
46 | |
47 | |
f104d082 |
48 | char *intOutputTypes[] = { |
49 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
a0c1f622 |
50 | |
f104d082 |
51 | char *uintOutputTypes[] = { |
52 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
a0c1f622 |
53 | |
f104d082 |
54 | char *floatOutputTypes[] = { |
55 | "undef", "undef", "float", "double" }; |
a0c1f622 |
56 | |
57 | |
58 | |
59 | |
90395b4b |
60 | /* helper function */ |
61 | void strupper(char *string) |
62 | { |
63 | char *ptr = string; |
64 | |
65 | while(*ptr != '\0') { |
66 | *ptr = toupper(*ptr); |
67 | ptr++; |
68 | } |
69 | } |
70 | |
71 | |
f104d082 |
72 | int getSizeindex(unsigned int value) |
90395b4b |
73 | { |
74 | switch(value) { |
75 | case 1: |
76 | return 0; |
77 | case 2: |
78 | return 1; |
79 | case 4: |
80 | return 2; |
81 | case 8: |
82 | return 3; |
83 | default: |
84 | printf("Error : unknown value size %d\n", value); |
85 | exit(-1); |
86 | } |
87 | } |
88 | |
89 | /***************************************************************************** |
90 | *Function name |
91 | * getSize : translate from string to integer |
92 | *Input params |
93 | * in : input file handle |
94 | *Return values |
95 | * size |
96 | *****************************************************************************/ |
97 | |
f104d082 |
98 | unsigned long long int getSize(parse_file_t *in) |
90395b4b |
99 | { |
100 | char *token; |
101 | |
102 | token = getToken(in); |
103 | if(in->type == NUMBER) { |
f104d082 |
104 | return strtoull(token, NULL, 0); |
90395b4b |
105 | } |
106 | in->error(in,"incorrect size specification"); |
107 | return -1; |
108 | } |
109 | |
110 | /***************************************************************************** |
111 | *Function name |
112 | * error_callback : print out error info |
113 | *Input params |
114 | * in : input file handle |
115 | * msg : message to be printed |
116 | ****************************************************************************/ |
117 | |
90699b2b |
118 | void error_callback(parse_file_t *in, char *msg) |
90395b4b |
119 | { |
120 | if(in) |
121 | printf("Error in file %s, line %d: %s\n", in->name, in->lineno, msg); |
122 | else |
123 | printf("%s\n",msg); |
124 | assert(0); |
125 | exit(1); |
126 | } |
127 | |
128 | /***************************************************************************** |
129 | *Function name |
130 | * memAlloc : allocate memory |
131 | *Input params |
132 | * size : required memory size |
133 | *return value |
134 | * void * : pointer to allocate memory or NULL |
135 | ****************************************************************************/ |
136 | |
137 | void * memAlloc(int size) |
138 | { |
139 | void * addr; |
140 | if(size == 0) return NULL; |
141 | addr = malloc(size); |
142 | if(!addr){ |
143 | printf("Failed to allocate memory"); |
144 | exit(1); |
145 | } |
146 | return addr; |
147 | } |
148 | |
149 | /***************************************************************************** |
150 | *Function name |
151 | * allocAndCopy : allocate memory and initialize it |
152 | *Input params |
153 | * str : string to be put in memory |
154 | *return value |
155 | * char * : pointer to allocate memory or NULL |
156 | ****************************************************************************/ |
157 | |
158 | char *allocAndCopy(char *str) |
159 | { |
160 | char * addr; |
161 | if(str == NULL) return NULL; |
162 | addr = (char *)memAlloc(strlen(str)+1); |
163 | strcpy(addr,str); |
164 | return addr; |
165 | } |
166 | |
167 | /************************************************************************** |
168 | * Function : |
169 | * getTypeAttributes |
170 | * Description : |
171 | * Read the attribute from the input file. |
172 | * |
173 | * Parameters : |
174 | * in , input file handle. |
175 | * t , the type descriptor to fill. |
176 | * |
177 | **************************************************************************/ |
178 | |
f104d082 |
179 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
180 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
181 | { |
182 | char * token; |
90395b4b |
183 | |
184 | t->fmt = NULL; |
f104d082 |
185 | t->size = 0; |
7df766d3 |
186 | t->custom_write = 0; |
90395b4b |
187 | |
188 | while(1) { |
189 | token = getToken(in); |
190 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
191 | ungetToken(in); |
192 | break; |
193 | } |
194 | |
195 | if(!strcmp("format",token)) { |
196 | getEqual(in); |
197 | t->fmt = allocAndCopy(getQuotedString(in)); |
198 | //} else if(!strcmp("name",token)) { |
199 | // getEqual(in); |
200 | // car = seekNextChar(in); |
201 | // if(car == EOF) in->error(in,"name was expected"); |
202 | // else if(car == '\"') t->type_name = allocAndCopy(getQuotedString(in)); |
203 | // else t->type_name = allocAndCopy(getName(in)); |
204 | } else if(!strcmp("size",token)) { |
205 | getEqual(in); |
206 | t->size = getSize(in); |
7df766d3 |
207 | } else if(!strcmp("custom_write", token)) { |
208 | t->custom_write = 1; |
90395b4b |
209 | } |
210 | } |
211 | } |
212 | |
213 | /************************************************************************** |
214 | * Function : |
215 | * getEventAttributes |
216 | * Description : |
217 | * Read the attribute from the input file. |
218 | * |
219 | * Parameters : |
220 | * in , input file handle. |
221 | * ev , the event to fill. |
222 | * |
223 | **************************************************************************/ |
224 | |
90699b2b |
225 | void getEventAttributes(parse_file_t *in, event_t *ev) |
90395b4b |
226 | { |
227 | char * token; |
228 | char car; |
229 | |
230 | ev->name = NULL; |
231 | ev->per_trace = 0; |
232 | ev->per_tracefile = 0; |
233 | |
234 | while(1) { |
235 | token = getToken(in); |
236 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
237 | ungetToken(in); |
238 | break; |
239 | } |
240 | |
241 | if(!strcmp("name",token)) { |
242 | getEqual(in); |
243 | car = seekNextChar(in); |
244 | if(car == EOF) in->error(in,"name was expected"); |
245 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
246 | else ev->name = allocAndCopy(getName(in)); |
247 | } else if(!strcmp("per_trace", token)) { |
248 | ev->per_trace = 1; |
249 | } else if(!strcmp("per_tracefile", token)) { |
250 | ev->per_tracefile = 1; |
251 | } |
252 | |
253 | } |
254 | } |
255 | |
256 | /************************************************************************** |
257 | * Function : |
258 | * getFacilityAttributes |
259 | * Description : |
260 | * Read the attribute from the input file. |
261 | * |
262 | * Parameters : |
263 | * in , input file handle. |
264 | * fac , the facility to fill. |
265 | * |
266 | **************************************************************************/ |
267 | |
90699b2b |
268 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
90395b4b |
269 | { |
270 | char * token; |
271 | char car; |
272 | |
273 | fac->name = NULL; |
f5d7967f |
274 | fac->arch = NULL; |
90395b4b |
275 | |
276 | while(1) { |
277 | token = getToken(in); |
278 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
279 | ungetToken(in); |
280 | break; |
281 | } |
282 | |
283 | if(!strcmp("name",token)) { |
284 | getEqual(in); |
285 | car = seekNextChar(in); |
286 | if(car == EOF) in->error(in,"name was expected"); |
287 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
288 | else fac->name = allocAndCopy(getName(in)); |
f5d7967f |
289 | } else if(!strcmp("arch", token)) { |
290 | getEqual(in); |
291 | car = seekNextChar(in); |
292 | if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
293 | else fac->arch = allocAndCopy(getName(in)); |
294 | } |
90395b4b |
295 | } |
296 | } |
297 | |
298 | /************************************************************************** |
299 | * Function : |
300 | * getFieldAttributes |
301 | * Description : |
302 | * Read the attribute from the input file. |
303 | * |
304 | * Parameters : |
305 | * in , input file handle. |
306 | * f , the field to fill. |
307 | * |
308 | **************************************************************************/ |
309 | |
90699b2b |
310 | void getFieldAttributes(parse_file_t *in, field_t *f) |
90395b4b |
311 | { |
312 | char * token; |
313 | char car; |
314 | |
315 | f->name = NULL; |
316 | |
317 | while(1) { |
318 | token = getToken(in); |
319 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
320 | ungetToken(in); |
321 | break; |
322 | } |
323 | |
324 | if(!strcmp("name",token)) { |
325 | getEqual(in); |
326 | car = seekNextChar(in); |
327 | if(car == EOF) in->error(in,"name was expected"); |
328 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
329 | else f->name = allocAndCopy(getName(in)); |
330 | } |
331 | } |
332 | } |
333 | |
90699b2b |
334 | char *getNameAttribute(parse_file_t *in) |
90395b4b |
335 | { |
336 | char * token; |
337 | char *name = NULL; |
338 | char car; |
339 | |
340 | while(1) { |
341 | token = getToken(in); |
342 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
343 | ungetToken(in); |
344 | break; |
345 | } |
346 | |
347 | if(!strcmp("name",token)) { |
348 | getEqual(in); |
349 | car = seekNextChar(in); |
350 | if(car == EOF) in->error(in,"name was expected"); |
351 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
352 | else name = allocAndCopy(getName(in)); |
353 | } |
354 | } |
355 | if(name == NULL) in->error(in, "Name was expected"); |
356 | return name; |
357 | |
358 | } |
359 | |
360 | |
361 | |
362 | //for <label name=label_name value=n format="..."/>, value is an option |
90699b2b |
363 | char * getValueStrAttribute(parse_file_t *in) |
90395b4b |
364 | { |
365 | char * token; |
366 | |
367 | token = getToken(in); |
368 | if(strcmp("/",token) == 0){ |
369 | ungetToken(in); |
370 | return NULL; |
371 | } |
372 | |
373 | if(strcmp("value",token))in->error(in,"value was expected"); |
374 | getEqual(in); |
375 | token = getToken(in); |
376 | if(in->type != NUMBER) in->error(in,"number was expected"); |
377 | return token; |
378 | } |
379 | |
90699b2b |
380 | char * getDescription(parse_file_t *in) |
90395b4b |
381 | { |
382 | long int pos; |
383 | char * token, car, *str; |
384 | |
385 | pos = ftell(in->fp); |
386 | |
387 | getLAnglebracket(in); |
388 | token = getName(in); |
389 | if(strcmp("description",token)){ |
390 | fseek(in->fp, pos, SEEK_SET); |
391 | return NULL; |
392 | } |
393 | |
394 | getRAnglebracket(in); |
395 | |
396 | pos = 0; |
397 | while((car = getc(in->fp)) != EOF) { |
398 | if(car == '<') break; |
399 | if(car == '\0') continue; |
400 | in->buffer[pos] = car; |
401 | pos++; |
402 | } |
403 | if(car == EOF)in->error(in,"not a valid description"); |
404 | in->buffer[pos] = '\0'; |
405 | |
406 | str = allocAndCopy(in->buffer); |
407 | |
408 | getForwardslash(in); |
409 | token = getName(in); |
410 | if(strcmp("description", token))in->error(in,"not a valid description"); |
411 | getRAnglebracket(in); |
412 | |
413 | return str; |
414 | } |
415 | |
416 | /***************************************************************************** |
417 | *Function name |
418 | * parseFacility : generate event list |
419 | *Input params |
420 | * in : input file handle |
421 | * fac : empty facility |
422 | *Output params |
423 | * fac : facility filled with event list |
424 | ****************************************************************************/ |
425 | |
90699b2b |
426 | void parseFacility(parse_file_t *in, facility_t * fac) |
90395b4b |
427 | { |
428 | char * token; |
90699b2b |
429 | event_t *ev; |
90395b4b |
430 | |
431 | getFacilityAttributes(in, fac); |
432 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
f5d7967f |
433 | |
90395b4b |
434 | fac->capname = allocAndCopy(fac->name); |
435 | strupper(fac->capname); |
436 | getRAnglebracket(in); |
437 | |
438 | fac->description = getDescription(in); |
439 | |
440 | while(1){ |
441 | getLAnglebracket(in); |
442 | |
443 | token = getToken(in); |
444 | if(in->type == ENDFILE) |
445 | in->error(in,"the definition of the facility is not finished"); |
446 | |
447 | if(strcmp("event",token) == 0){ |
90699b2b |
448 | ev = (event_t*) memAlloc(sizeof(event_t)); |
90395b4b |
449 | sequence_push(&(fac->events),ev); |
450 | parseEvent(in,ev, &(fac->unnamed_types), &(fac->named_types)); |
451 | }else if(strcmp("type",token) == 0){ |
452 | parseTypeDefinition(in, &(fac->unnamed_types), &(fac->named_types)); |
453 | }else if(in->type == FORWARDSLASH){ |
454 | break; |
455 | }else in->error(in,"event or type token expected\n"); |
456 | } |
457 | |
458 | token = getName(in); |
459 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
460 | getRAnglebracket(in); //</facility> |
461 | } |
462 | |
463 | /***************************************************************************** |
464 | *Function name |
465 | * parseEvent : generate event from event definition |
466 | *Input params |
467 | * in : input file handle |
468 | * ev : new event |
469 | * unnamed_types : array of unamed types |
470 | * named_types : array of named types |
471 | *Output params |
472 | * ev : new event (parameters are passed to it) |
473 | ****************************************************************************/ |
474 | |
90699b2b |
475 | void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
476 | table_t * named_types) |
90395b4b |
477 | { |
478 | char *token; |
f104d082 |
479 | field_t *f; |
90395b4b |
480 | |
f104d082 |
481 | sequence_init(&(ev->fields)); |
90395b4b |
482 | //<event name=eventtype_name> |
483 | getEventAttributes(in, ev); |
484 | if(ev->name == NULL) in->error(in, "Event not named"); |
485 | getRAnglebracket(in); |
486 | |
f104d082 |
487 | //<description>...</description> |
90395b4b |
488 | ev->description = getDescription(in); |
489 | |
f104d082 |
490 | int got_end = 0; |
491 | /* Events can have multiple fields. each field form at least a function |
492 | * parameter of the logging function. */ |
493 | while(!got_end) { |
494 | getLAnglebracket(in); |
495 | token = getToken(in); |
496 | |
497 | switch(in->type) { |
498 | case FORWARDSLASH: /* </event> */ |
499 | token = getName(in); |
500 | if(strcmp("event",token))in->error(in,"not an event definition"); |
501 | getRAnglebracket(in); //</event> |
502 | got_end = 1; |
503 | break; |
504 | case NAME: /* a field */ |
505 | if(strcmp("field",token))in->error(in,"expecting a field"); |
506 | f = (field_t *)memAlloc(sizeof(field_t)); |
507 | sequence_push(&(ev->fields),f); |
508 | parseFields(in, f, unnamed_types, named_types, 1); |
509 | break; |
510 | default: |
511 | in->error(in, "expecting </event> or <field >"); |
512 | break; |
513 | } |
514 | } |
515 | #if 0 |
516 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
517 | ev->type = NULL; |
518 | }else if(in->type == NAME){ |
519 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
520 | ungetToken(in); |
521 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
522 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
523 | in->error(in,"type must be a struct"); |
524 | }else in->error(in, "not a valid type"); |
525 | |
526 | getLAnglebracket(in); |
527 | getForwardslash(in); |
528 | }else in->error(in,"not a struct type"); |
529 | getLAnglebracket(in); |
530 | getForwardslash(in); |
531 | token = getName(in); |
532 | if(strcmp("event",token))in->error(in,"not an event definition"); |
533 | getRAnglebracket(in); //</event> |
534 | #endif //0 |
90395b4b |
535 | } |
536 | |
537 | /***************************************************************************** |
538 | *Function name |
539 | * parseField : get field infomation from buffer |
540 | *Input params |
541 | * in : input file handle |
f104d082 |
542 | * f : field |
90395b4b |
543 | * unnamed_types : array of unamed types |
544 | * named_types : array of named types |
f104d082 |
545 | * tag : is field surrounded by a <field> </field> tag ? |
90395b4b |
546 | ****************************************************************************/ |
547 | |
f104d082 |
548 | void parseFields(parse_file_t *in, field_t *f, |
90699b2b |
549 | sequence_t * unnamed_types, |
f104d082 |
550 | table_t * named_types, |
551 | int tag) |
90395b4b |
552 | { |
553 | char * token; |
f104d082 |
554 | if(tag) { |
555 | //<field name=field_name> <description> <type> </field> |
556 | getFieldAttributes(in, f); |
557 | if(f->name == NULL) in->error(in, "Field not named"); |
558 | getRAnglebracket(in); |
90395b4b |
559 | |
f104d082 |
560 | f->description = getDescription(in); |
561 | } |
90395b4b |
562 | |
563 | //<int size=...> |
564 | getLAnglebracket(in); |
565 | f->type = parseType(in,NULL, unnamed_types, named_types); |
566 | |
f104d082 |
567 | if(tag) { |
568 | getLAnglebracket(in); |
569 | getForwardslash(in); |
570 | token = getName(in); |
571 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
572 | getRAnglebracket(in); //</field> |
573 | } |
90395b4b |
574 | } |
575 | |
576 | |
577 | /***************************************************************************** |
578 | *Function name |
579 | * parseType : get type information, type can be : |
580 | * Primitive: |
581 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
582 | * string(fmt); enum(size,fmt,(label1,label2...)) |
583 | * Compound: |
584 | * array(arraySize, type); sequence(lengthSize,type) |
585 | * struct(field(name,type,description)...) |
586 | * type name: |
587 | * type(name,type) |
588 | *Input params |
589 | * in : input file handle |
590 | * inType : a type descriptor |
591 | * unnamed_types : array of unamed types |
592 | * named_types : array of named types |
593 | *Return values |
594 | * type_descriptor* : a type descriptor |
595 | ****************************************************************************/ |
596 | |
90699b2b |
597 | type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType, |
598 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
599 | { |
600 | char *token; |
90699b2b |
601 | type_descriptor_t *t; |
f104d082 |
602 | field_t *f; |
90395b4b |
603 | |
604 | if(inType == NULL) { |
90699b2b |
605 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
90395b4b |
606 | t->type_name = NULL; |
607 | t->type = NONE; |
608 | t->fmt = NULL; |
609 | sequence_push(unnamed_types,t); |
610 | } |
611 | else t = inType; |
612 | |
613 | token = getName(in); |
614 | |
615 | if(strcmp(token,"struct") == 0) { |
616 | t->type = STRUCT; |
f104d082 |
617 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
618 | getRAnglebracket(in); //<struct> |
619 | getLAnglebracket(in); //<field name=..> |
620 | token = getToken(in); |
621 | sequence_init(&(t->fields)); |
622 | while(strcmp("field",token) == 0){ |
f104d082 |
623 | f = (field_t *)memAlloc(sizeof(field_t)); |
624 | sequence_push(&(t->fields),f); |
625 | |
626 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
627 | |
628 | //next field |
629 | getLAnglebracket(in); |
630 | token = getToken(in); |
631 | } |
632 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
633 | token = getName(in); |
634 | if(strcmp("struct",token)!=0) |
635 | in->error(in,"not a valid structure definition"); |
636 | getRAnglebracket(in); //</struct> |
637 | } |
638 | else if(strcmp(token,"union") == 0) { |
639 | t->type = UNION; |
f104d082 |
640 | getTypeAttributes(in, t, unnamed_types, named_types); |
641 | getRAnglebracket(in); //<union> |
90395b4b |
642 | |
643 | getLAnglebracket(in); //<field name=..> |
644 | token = getToken(in); |
645 | sequence_init(&(t->fields)); |
646 | while(strcmp("field",token) == 0){ |
f104d082 |
647 | f = (field_t *)memAlloc(sizeof(field_t)); |
648 | sequence_push(&(t->fields),f); |
649 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
650 | |
651 | //next field |
652 | getLAnglebracket(in); |
653 | token = getToken(in); |
654 | } |
655 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
656 | token = getName(in); |
657 | if(strcmp("union",token)!=0) |
658 | in->error(in,"not a valid union definition"); |
659 | getRAnglebracket(in); //</union> |
660 | } |
661 | else if(strcmp(token,"array") == 0) { |
662 | t->type = ARRAY; |
f104d082 |
663 | sequence_init(&(t->fields)); |
664 | getTypeAttributes(in, t, unnamed_types, named_types); |
665 | if(t->size == 0) in->error(in, "Array has empty size"); |
666 | getForwardslash(in); |
90395b4b |
667 | getRAnglebracket(in); //<array size=n> |
668 | |
f104d082 |
669 | //getLAnglebracket(in); //<subtype> |
670 | /* subfield */ |
671 | f = (field_t *)memAlloc(sizeof(field_t)); |
672 | sequence_push(&(t->fields),f); |
673 | parseFields(in, f, unnamed_types, named_types, 0); |
674 | |
675 | //getLAnglebracket(in); //<type struct> |
676 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
90395b4b |
677 | |
678 | getLAnglebracket(in); //</array> |
679 | getForwardslash(in); |
680 | token = getName(in); |
681 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
682 | getRAnglebracket(in); //</array> |
683 | } |
684 | else if(strcmp(token,"sequence") == 0) { |
685 | t->type = SEQUENCE; |
f104d082 |
686 | sequence_init(&(t->fields)); |
7df766d3 |
687 | getTypeAttributes(in, t, unnamed_types, named_types); |
688 | getForwardslash(in); |
f104d082 |
689 | getRAnglebracket(in); //<sequence> |
690 | |
691 | //getLAnglebracket(in); //<sequence size type> |
692 | /* subfield */ |
693 | f = (field_t *)memAlloc(sizeof(field_t)); |
694 | sequence_push(&(t->fields),f); |
695 | parseFields(in, f, unnamed_types, named_types, 0); |
696 | |
697 | //getLAnglebracket(in); //<subtype> |
698 | /* subfield */ |
699 | f = (field_t *)memAlloc(sizeof(field_t)); |
700 | sequence_push(&(t->fields),f); |
701 | parseFields(in, f, unnamed_types, named_types, 0); |
702 | |
703 | //getLAnglebracket(in); //<type sequence> |
704 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
705 | |
706 | //getLAnglebracket(in); //<type sequence> |
707 | |
708 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
709 | |
710 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
711 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
712 | switch(((field_t*)t->fields.array[0])->type->type) { |
713 | case UINT_FIXED : |
714 | case UCHAR : |
715 | case USHORT : |
716 | case UINT : |
717 | case ULONG : |
718 | case SIZE_T : |
719 | case OFF_T : |
720 | break; |
721 | default: |
722 | in->error(in, "Wrong length type for sequence"); |
723 | } |
90395b4b |
724 | |
725 | getLAnglebracket(in); //</sequence> |
726 | getForwardslash(in); |
727 | token = getName(in); |
728 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
729 | getRAnglebracket(in); //</sequence> |
730 | } |
731 | else if(strcmp(token,"enum") == 0) { |
f104d082 |
732 | char * str; |
733 | int value = -1; |
734 | |
90395b4b |
735 | t->type = ENUM; |
736 | sequence_init(&(t->labels)); |
f104d082 |
737 | sequence_init(&(t->labels_values)); |
90395b4b |
738 | sequence_init(&(t->labels_description)); |
739 | t->already_printed = 0; |
f104d082 |
740 | getTypeAttributes(in, t, unnamed_types, named_types); |
741 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
742 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
743 | //fox copy optimisation. |
744 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
745 | t->size = 0; |
90395b4b |
746 | getRAnglebracket(in); |
747 | |
748 | //<label name=label1 value=n/> |
749 | getLAnglebracket(in); |
750 | token = getToken(in); //"label" or "/" |
751 | while(strcmp("label",token) == 0){ |
f104d082 |
752 | int *label_value = malloc(sizeof(int)); |
753 | |
7b143580 |
754 | str = allocAndCopy(getNameAttribute(in)); |
90395b4b |
755 | token = getValueStrAttribute(in); |
f104d082 |
756 | |
757 | sequence_push(&(t->labels),str); |
758 | |
759 | if(token) value = strtol(token, NULL, 0); |
760 | else value++; |
761 | |
762 | *label_value = value; |
763 | sequence_push(&(t->labels_values), label_value); |
90395b4b |
764 | |
765 | getForwardslash(in); |
766 | getRAnglebracket(in); |
767 | |
768 | //read description if any. May be NULL. |
769 | str = allocAndCopy(getDescription(in)); |
770 | sequence_push(&(t->labels_description),str); |
771 | |
772 | //next label definition |
773 | getLAnglebracket(in); |
774 | token = getToken(in); //"label" or "/" |
775 | } |
776 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
777 | token = getName(in); |
778 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
779 | getRAnglebracket(in); //</label> |
780 | } |
f104d082 |
781 | else if(strcmp(token,"int_fixed") == 0) { |
782 | t->type = INT_FIXED; |
783 | getTypeAttributes(in, t, unnamed_types, named_types); |
784 | if(t->size == 0) in->error(in, "int has empty size"); |
785 | getForwardslash(in); |
786 | getRAnglebracket(in); |
787 | } |
788 | else if(strcmp(token,"uint_fixed") == 0) { |
789 | t->type = UINT_FIXED; |
790 | getTypeAttributes(in, t, unnamed_types, named_types); |
791 | if(t->size == 0) in->error(in, "uint has empty size"); |
792 | getForwardslash(in); |
793 | getRAnglebracket(in); |
794 | } |
795 | else if(strcmp(token,"char") == 0) { |
796 | t->type = CHAR; |
f104d082 |
797 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
798 | t->size = 1; |
f104d082 |
799 | getForwardslash(in); |
800 | getRAnglebracket(in); |
801 | } |
802 | else if(strcmp(token,"uchar") == 0) { |
803 | t->type = UCHAR; |
f104d082 |
804 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
805 | t->size = 1; |
f104d082 |
806 | getForwardslash(in); |
807 | getRAnglebracket(in); |
808 | } |
809 | else if(strcmp(token,"short") == 0) { |
810 | t->type = SHORT; |
f104d082 |
811 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
812 | t->size = 2; |
f104d082 |
813 | getForwardslash(in); |
814 | getRAnglebracket(in); |
815 | } |
816 | else if(strcmp(token,"ushort") == 0) { |
817 | t->type = USHORT; |
f104d082 |
818 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
819 | t->size = 2; |
f104d082 |
820 | getForwardslash(in); |
821 | getRAnglebracket(in); |
822 | } |
90395b4b |
823 | else if(strcmp(token,"int") == 0) { |
824 | t->type = INT; |
f104d082 |
825 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
826 | getForwardslash(in); |
827 | getRAnglebracket(in); |
828 | } |
829 | else if(strcmp(token,"uint") == 0) { |
830 | t->type = UINT; |
f104d082 |
831 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
832 | getForwardslash(in); |
833 | getRAnglebracket(in); |
834 | } |
f104d082 |
835 | |
90395b4b |
836 | else if(strcmp(token,"pointer") == 0) { |
837 | t->type = POINTER; |
f104d082 |
838 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
839 | getForwardslash(in); |
840 | getRAnglebracket(in); |
841 | } |
842 | else if(strcmp(token,"long") == 0) { |
843 | t->type = LONG; |
f104d082 |
844 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
845 | getForwardslash(in); |
846 | getRAnglebracket(in); |
847 | } |
848 | else if(strcmp(token,"ulong") == 0) { |
849 | t->type = ULONG; |
f104d082 |
850 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
851 | getForwardslash(in); |
852 | getRAnglebracket(in); |
853 | } |
854 | else if(strcmp(token,"size_t") == 0) { |
855 | t->type = SIZE_T; |
f104d082 |
856 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
857 | getForwardslash(in); |
858 | getRAnglebracket(in); |
859 | } |
860 | else if(strcmp(token,"ssize_t") == 0) { |
861 | t->type = SSIZE_T; |
f104d082 |
862 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
863 | getForwardslash(in); |
864 | getRAnglebracket(in); |
865 | } |
866 | else if(strcmp(token,"off_t") == 0) { |
867 | t->type = OFF_T; |
f104d082 |
868 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
869 | getForwardslash(in); |
870 | getRAnglebracket(in); |
871 | } |
872 | else if(strcmp(token,"float") == 0) { |
873 | t->type = FLOAT; |
f104d082 |
874 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
875 | getForwardslash(in); |
876 | getRAnglebracket(in); |
877 | } |
878 | else if(strcmp(token,"string") == 0) { |
879 | t->type = STRING; |
f104d082 |
880 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
881 | getForwardslash(in); |
882 | getRAnglebracket(in); |
883 | } |
884 | else if(strcmp(token,"typeref") == 0){ |
885 | // Must be a named type |
f104d082 |
886 | free(t); |
887 | sequence_pop(unnamed_types); |
888 | token = getNameAttribute(in); |
889 | t = find_named_type(token, named_types); |
890 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
891 | getForwardslash(in); //<typeref name=type_name/> |
892 | getRAnglebracket(in); |
893 | return t; |
90395b4b |
894 | }else in->error(in,"not a valid type"); |
895 | |
896 | return t; |
897 | } |
898 | |
899 | /***************************************************************************** |
900 | *Function name |
901 | * find_named_type : find a named type from hash table |
902 | *Input params |
903 | * name : type name |
904 | * named_types : array of named types |
905 | *Return values |
906 | * type_descriptor * : a type descriptor |
907 | *****************************************************************************/ |
908 | |
90699b2b |
909 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
90395b4b |
910 | { |
90699b2b |
911 | type_descriptor_t *t; |
90395b4b |
912 | |
913 | t = table_find(named_types,name); |
f104d082 |
914 | |
90395b4b |
915 | return t; |
f104d082 |
916 | } |
917 | |
918 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
919 | { |
920 | type_descriptor_t *t; |
921 | |
922 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
923 | t->type_name = allocAndCopy(name); |
924 | t->type = NONE; |
925 | t->fmt = NULL; |
926 | table_insert(named_types,t->type_name,t); |
927 | // table_insert(named_types,allocAndCopy(name),t); |
928 | return t; |
929 | } |
90395b4b |
930 | |
931 | /***************************************************************************** |
932 | *Function name |
933 | * parseTypeDefinition : get type information from type definition |
934 | *Input params |
935 | * in : input file handle |
936 | * unnamed_types : array of unamed types |
937 | * named_types : array of named types |
938 | *****************************************************************************/ |
939 | |
90699b2b |
940 | void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types, |
941 | table_t * named_types) |
90395b4b |
942 | { |
943 | char *token; |
90699b2b |
944 | type_descriptor_t *t; |
90395b4b |
945 | |
946 | token = getNameAttribute(in); |
947 | if(token == NULL) in->error(in, "Type has empty name"); |
f104d082 |
948 | t = create_named_type(token, named_types); |
90395b4b |
949 | |
950 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
951 | getRAnglebracket(in); //<type name=type_name> |
952 | getLAnglebracket(in); //< |
953 | token = getName(in); |
954 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
955 | ungetToken(in); |
956 | parseType(in,t, unnamed_types, named_types); |
957 | |
958 | //</type> |
959 | getLAnglebracket(in); |
960 | getForwardslash(in); |
961 | token = getName(in); |
962 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
963 | getRAnglebracket(in); //</type> |
964 | } |
965 | |
966 | /************************************************************************** |
967 | * Function : |
968 | * getComa, getName, getNumber, getEqual |
969 | * Description : |
970 | * Read a token from the input file, check its type, return it scontent. |
971 | * |
972 | * Parameters : |
973 | * in , input file handle. |
974 | * |
975 | * Return values : |
976 | * address of token content. |
977 | * |
978 | **************************************************************************/ |
979 | |
90699b2b |
980 | char *getName(parse_file_t * in) |
90395b4b |
981 | { |
982 | char *token; |
983 | |
984 | token = getToken(in); |
7b143580 |
985 | // Optional descriptions |
986 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
90395b4b |
987 | return token; |
988 | } |
989 | |
90699b2b |
990 | int getNumber(parse_file_t * in) |
90395b4b |
991 | { |
992 | char *token; |
993 | |
994 | token = getToken(in); |
995 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
996 | return atoi(token); |
997 | } |
998 | |
90699b2b |
999 | char *getForwardslash(parse_file_t * in) |
90395b4b |
1000 | { |
1001 | char *token; |
1002 | |
1003 | token = getToken(in); |
f104d082 |
1004 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1005 | /* Mathieu : final / is optional now. */ |
1006 | if(in->type != FORWARDSLASH) ungetToken(in); |
1007 | |
90395b4b |
1008 | return token; |
1009 | } |
1010 | |
90699b2b |
1011 | char *getLAnglebracket(parse_file_t * in) |
90395b4b |
1012 | { |
1013 | char *token; |
1014 | |
1015 | token = getToken(in); |
1016 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1017 | return token; |
1018 | } |
1019 | |
90699b2b |
1020 | char *getRAnglebracket(parse_file_t * in) |
90395b4b |
1021 | { |
1022 | char *token; |
1023 | |
1024 | token = getToken(in); |
1025 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1026 | return token; |
1027 | } |
1028 | |
90699b2b |
1029 | char *getQuotedString(parse_file_t * in) |
90395b4b |
1030 | { |
1031 | char *token; |
1032 | |
1033 | token = getToken(in); |
1034 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1035 | return token; |
1036 | } |
1037 | |
90699b2b |
1038 | char * getEqual(parse_file_t *in) |
90395b4b |
1039 | { |
1040 | char *token; |
1041 | |
1042 | token = getToken(in); |
1043 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1044 | return token; |
1045 | } |
1046 | |
90699b2b |
1047 | char seekNextChar(parse_file_t *in) |
90395b4b |
1048 | { |
1049 | char car; |
1050 | while((car = getc(in->fp)) != EOF) { |
1051 | if(!isspace(car)){ |
1052 | ungetc(car,in->fp); |
1053 | return car; |
1054 | } |
1055 | } |
1056 | return EOF; |
1057 | } |
1058 | |
1059 | /****************************************************************** |
1060 | * Function : |
1061 | * getToken, ungetToken |
1062 | * Description : |
1063 | * Read a token from the input file and return its type and content. |
1064 | * Line numbers are accounted for and whitespace/comments are skipped. |
1065 | * |
1066 | * Parameters : |
1067 | * in, input file handle. |
1068 | * |
1069 | * Return values : |
1070 | * address of token content. |
1071 | * |
1072 | ******************************************************************/ |
1073 | |
90699b2b |
1074 | void ungetToken(parse_file_t * in) |
90395b4b |
1075 | { |
1076 | in->unget = 1; |
1077 | } |
1078 | |
90699b2b |
1079 | char *getToken(parse_file_t * in) |
90395b4b |
1080 | { |
1081 | FILE *fp = in->fp; |
1082 | char car, car1; |
1083 | int pos = 0, escaped; |
1084 | |
1085 | if(in->unget == 1) { |
1086 | in->unget = 0; |
1087 | return in->buffer; |
1088 | } |
1089 | |
1090 | /* skip whitespace and comments */ |
1091 | |
1092 | while((car = getc(fp)) != EOF) { |
1093 | if(car == '/') { |
1094 | car1 = getc(fp); |
1095 | if(car1 == '*') skipComment(in); |
1096 | else if(car1 == '/') skipEOL(in); |
1097 | else { |
1098 | car1 = ungetc(car1,fp); |
1099 | break; |
1100 | } |
1101 | } |
1102 | else if(car == '\n') in->lineno++; |
1103 | else if(!isspace(car)) break; |
1104 | } |
1105 | |
1106 | switch(car) { |
1107 | case EOF: |
1108 | in->type = ENDFILE; |
1109 | break; |
1110 | case '/': |
1111 | in->type = FORWARDSLASH; |
1112 | in->buffer[pos] = car; |
1113 | pos++; |
1114 | break; |
1115 | case '<': |
1116 | in->type = LANGLEBRACKET; |
1117 | in->buffer[pos] = car; |
1118 | pos++; |
1119 | break; |
1120 | case '>': |
1121 | in->type = RANGLEBRACKET; |
1122 | in->buffer[pos] = car; |
1123 | pos++; |
1124 | break; |
1125 | case '=': |
1126 | in->type = EQUAL; |
1127 | in->buffer[pos] = car; |
1128 | pos++; |
1129 | break; |
1130 | case '"': |
1131 | escaped = 0; |
1132 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1133 | if(car == '\\' && escaped == 0) { |
1134 | in->buffer[pos] = car; |
1135 | pos++; |
1136 | escaped = 1; |
1137 | continue; |
1138 | } |
1139 | if(car == '"' && escaped == 0) break; |
1140 | if(car == '\n' && escaped == 0) { |
1141 | in->error(in, "non escaped newline inside quoted string"); |
1142 | } |
1143 | if(car == '\n') in->lineno++; |
1144 | in->buffer[pos] = car; |
1145 | pos++; |
1146 | escaped = 0; |
1147 | } |
1148 | if(car == EOF) in->error(in,"no ending quotemark"); |
1149 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1150 | in->type = QUOTEDSTRING; |
1151 | break; |
1152 | default: |
1153 | if(isdigit(car)) { |
1154 | in->buffer[pos] = car; |
1155 | pos++; |
1156 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1157 | if(!isdigit(car)) { |
1158 | ungetc(car,fp); |
1159 | break; |
1160 | } |
1161 | in->buffer[pos] = car; |
1162 | pos++; |
1163 | } |
1164 | if(car == EOF) ungetc(car,fp); |
1165 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1166 | in->type = NUMBER; |
1167 | } |
7b143580 |
1168 | else if(isalnum(car) || car == '_' || car == '-') { |
90395b4b |
1169 | in->buffer[0] = car; |
1170 | pos = 1; |
1171 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
7b143580 |
1172 | if(!(isalnum(car) || car == '_' || car == '-')) { |
90395b4b |
1173 | ungetc(car,fp); |
1174 | break; |
1175 | } |
1176 | in->buffer[pos] = car; |
1177 | pos++; |
1178 | } |
1179 | if(car == EOF) ungetc(car,fp); |
1180 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1181 | in->type = NAME; |
1182 | } |
1183 | else in->error(in, "invalid character, unrecognized token"); |
1184 | } |
1185 | in->buffer[pos] = 0; |
1186 | return in->buffer; |
1187 | } |
1188 | |
90699b2b |
1189 | void skipComment(parse_file_t * in) |
90395b4b |
1190 | { |
1191 | char car; |
1192 | while((car = getc(in->fp)) != EOF) { |
1193 | if(car == '\n') in->lineno++; |
1194 | else if(car == '*') { |
1195 | car = getc(in->fp); |
1196 | if(car ==EOF) break; |
1197 | if(car == '/') return; |
1198 | ungetc(car,in->fp); |
1199 | } |
1200 | } |
1201 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1202 | } |
1203 | |
90699b2b |
1204 | void skipEOL(parse_file_t * in) |
90395b4b |
1205 | { |
1206 | char car; |
1207 | while((car = getc(in->fp)) != EOF) { |
1208 | if(car == '\n') { |
1209 | ungetc(car,in->fp); |
1210 | break; |
1211 | } |
1212 | } |
1213 | if(car == EOF)ungetc(car, in->fp); |
1214 | } |
1215 | |
1216 | /***************************************************************************** |
1217 | *Function name |
1218 | * checkNamedTypesImplemented : check if all named types have definition |
1219 | ****************************************************************************/ |
1220 | |
90699b2b |
1221 | void checkNamedTypesImplemented(table_t * named_types) |
90395b4b |
1222 | { |
90699b2b |
1223 | type_descriptor_t *t; |
90395b4b |
1224 | int pos; |
1225 | char str[256]; |
1226 | |
1227 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
90699b2b |
1228 | t = (type_descriptor_t *) named_types->values.array[pos]; |
90395b4b |
1229 | if(t->type == NONE){ |
90699b2b |
1230 | sprintf(str,"named type '%s' has no definition", |
1231 | (char*)named_types->keys.array[pos]); |
90395b4b |
1232 | error_callback(NULL,str); |
1233 | } |
1234 | } |
1235 | } |
1236 | |
1237 | |
1238 | /***************************************************************************** |
1239 | *Function name |
1240 | * generateChecksum : generate checksum for the facility |
1241 | *Input Params |
1242 | * facName : name of facility |
1243 | *Output Params |
1244 | * checksum : checksum for the facility |
1245 | ****************************************************************************/ |
1246 | |
90699b2b |
1247 | void generateChecksum(char* facName, |
f104d082 |
1248 | unsigned int * checksum, sequence_t * events) |
90395b4b |
1249 | { |
1250 | unsigned long crc ; |
1251 | int pos; |
90699b2b |
1252 | event_t * ev; |
2312de30 |
1253 | unsigned int i; |
90395b4b |
1254 | |
1255 | crc = crc32(facName); |
1256 | for(pos = 0; pos < events->position; pos++){ |
90699b2b |
1257 | ev = (event_t *)(events->array[pos]); |
f104d082 |
1258 | crc = partial_crc32(ev->name, crc); |
2312de30 |
1259 | for(i = 0; i < ev->fields.position; i++) { |
f104d082 |
1260 | field_t *f = (field_t*)ev->fields.array[i]; |
1261 | crc = partial_crc32(f->name, crc); |
1262 | crc = getTypeChecksum(crc, f->type); |
1263 | } |
90395b4b |
1264 | } |
1265 | *checksum = crc; |
1266 | } |
1267 | |
1268 | /***************************************************************************** |
1269 | *Function name |
1270 | * getTypeChecksum : generate checksum by type info |
1271 | *Input Params |
1272 | * crc : checksum generated so far |
1273 | * type : type descriptor containing type info |
1274 | *Return value |
1275 | * unsigned long : checksum |
1276 | *****************************************************************************/ |
1277 | |
90699b2b |
1278 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
90395b4b |
1279 | { |
1280 | unsigned long crc = aCrc; |
1281 | char * str = NULL, buf[16]; |
1282 | int flag = 0, pos; |
90699b2b |
1283 | field_t * fld; |
90395b4b |
1284 | |
1285 | switch(type->type){ |
f104d082 |
1286 | case INT_FIXED: |
1287 | str = intOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1288 | break; |
f104d082 |
1289 | case UINT_FIXED: |
1290 | str = uintOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1291 | break; |
1292 | case POINTER: |
1293 | str = allocAndCopy("void *"); |
1294 | flag = 1; |
1295 | break; |
f104d082 |
1296 | case CHAR: |
1297 | str = allocAndCopy("signed char"); |
1298 | flag = 1; |
1299 | break; |
1300 | case UCHAR: |
1301 | str = allocAndCopy("unsigned char"); |
1302 | flag = 1; |
1303 | break; |
1304 | case SHORT: |
1305 | str = allocAndCopy("short"); |
1306 | flag = 1; |
1307 | break; |
1308 | case USHORT: |
1309 | str = allocAndCopy("unsigned short"); |
1310 | flag = 1; |
1311 | break; |
1312 | case INT: |
1313 | str = allocAndCopy("int"); |
1314 | flag = 1; |
1315 | break; |
1316 | case UINT: |
1317 | str = allocAndCopy("uint"); |
1318 | flag = 1; |
1319 | break; |
90395b4b |
1320 | case LONG: |
1321 | str = allocAndCopy("long"); |
1322 | flag = 1; |
1323 | break; |
1324 | case ULONG: |
1325 | str = allocAndCopy("unsigned long"); |
1326 | flag = 1; |
1327 | break; |
1328 | case SIZE_T: |
1329 | str = allocAndCopy("size_t"); |
1330 | flag = 1; |
1331 | break; |
1332 | case SSIZE_T: |
1333 | str = allocAndCopy("ssize_t"); |
1334 | flag = 1; |
1335 | break; |
1336 | case OFF_T: |
1337 | str = allocAndCopy("off_t"); |
1338 | flag = 1; |
1339 | break; |
1340 | case FLOAT: |
f104d082 |
1341 | str = floatOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1342 | break; |
1343 | case STRING: |
1344 | str = allocAndCopy("string"); |
1345 | flag = 1; |
1346 | break; |
1347 | case ENUM: |
f104d082 |
1348 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1349 | str = allocAndCopy("enum"); |
90395b4b |
1350 | flag = 1; |
1351 | break; |
1352 | case ARRAY: |
f104d082 |
1353 | sprintf(buf,"%zu", type->size); |
90395b4b |
1354 | str = appendString("array ",buf); |
1355 | flag = 1; |
1356 | break; |
1357 | case SEQUENCE: |
743e50fd |
1358 | str = allocAndCopy("sequence "); |
90395b4b |
1359 | flag = 1; |
1360 | break; |
1361 | case STRUCT: |
1362 | str = allocAndCopy("struct"); |
1363 | flag = 1; |
1364 | break; |
1365 | case UNION: |
1366 | str = allocAndCopy("union"); |
1367 | flag = 1; |
1368 | break; |
1369 | default: |
1370 | error_callback(NULL, "named type has no definition"); |
1371 | break; |
1372 | } |
1373 | |
1374 | crc = partial_crc32(str,crc); |
1375 | if(flag) free(str); |
1376 | |
1377 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1378 | |
f104d082 |
1379 | if(type->type == ARRAY){ |
1380 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1381 | } else if(type->type ==SEQUENCE) { |
1382 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1383 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1384 | } else if(type->type == STRUCT || type->type == UNION){ |
90395b4b |
1385 | for(pos =0; pos < type->fields.position; pos++){ |
90699b2b |
1386 | fld = (field_t *) type->fields.array[pos]; |
90395b4b |
1387 | crc = partial_crc32(fld->name,crc); |
1388 | crc = getTypeChecksum(crc, fld->type); |
1389 | } |
1390 | }else if(type->type == ENUM){ |
1391 | for(pos = 0; pos < type->labels.position; pos++) |
1392 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1393 | } |
1394 | |
1395 | return crc; |
1396 | } |
1397 | |
1398 | |
1399 | /* Event type descriptors */ |
90699b2b |
1400 | void freeType(type_descriptor_t * tp) |
90395b4b |
1401 | { |
1402 | int pos2; |
90699b2b |
1403 | field_t *f; |
90395b4b |
1404 | |
1405 | if(tp->fmt != NULL) free(tp->fmt); |
1406 | if(tp->type == ENUM) { |
1407 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1408 | free(tp->labels.array[pos2]); |
1409 | } |
1410 | sequence_dispose(&(tp->labels)); |
f104d082 |
1411 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1412 | free(tp->labels_values.array[pos2]); |
1413 | } |
1414 | sequence_dispose(&(tp->labels_values)); |
90395b4b |
1415 | } |
1416 | if(tp->type == STRUCT) { |
1417 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
90699b2b |
1418 | f = (field_t *) tp->fields.array[pos2]; |
90395b4b |
1419 | free(f->name); |
1420 | free(f->description); |
1421 | free(f); |
1422 | } |
1423 | sequence_dispose(&(tp->fields)); |
1424 | } |
1425 | } |
1426 | |
90699b2b |
1427 | void freeNamedType(table_t * t) |
90395b4b |
1428 | { |
1429 | int pos; |
90699b2b |
1430 | type_descriptor_t * td; |
90395b4b |
1431 | |
1432 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1433 | free((char *)t->keys.array[pos]); |
90699b2b |
1434 | td = (type_descriptor_t*)t->values.array[pos]; |
90395b4b |
1435 | freeType(td); |
1436 | free(td); |
1437 | } |
1438 | } |
1439 | |
90699b2b |
1440 | void freeTypes(sequence_t *t) |
90395b4b |
1441 | { |
a0c1f622 |
1442 | int pos; |
90699b2b |
1443 | type_descriptor_t *tp; |
90395b4b |
1444 | |
1445 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1446 | tp = (type_descriptor_t *)t->array[pos]; |
90395b4b |
1447 | freeType(tp); |
1448 | free(tp); |
1449 | } |
1450 | } |
1451 | |
90699b2b |
1452 | void freeEvents(sequence_t *t) |
90395b4b |
1453 | { |
1454 | int pos; |
90699b2b |
1455 | event_t *ev; |
90395b4b |
1456 | |
1457 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1458 | ev = (event_t *) t->array[pos]; |
90395b4b |
1459 | free(ev->name); |
1460 | free(ev->description); |
f104d082 |
1461 | sequence_dispose(&ev->fields); |
90395b4b |
1462 | free(ev); |
1463 | } |
1464 | |
1465 | } |
1466 | |
1467 | |
1468 | /* Extensible array */ |
1469 | |
90699b2b |
1470 | void sequence_init(sequence_t *t) |
90395b4b |
1471 | { |
1472 | t->size = 10; |
1473 | t->position = 0; |
1474 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1475 | } |
1476 | |
90699b2b |
1477 | void sequence_dispose(sequence_t *t) |
90395b4b |
1478 | { |
1479 | t->size = 0; |
1480 | free(t->array); |
1481 | t->array = NULL; |
1482 | } |
1483 | |
90699b2b |
1484 | void sequence_push(sequence_t *t, void *elem) |
90395b4b |
1485 | { |
1486 | void **tmp; |
1487 | |
1488 | if(t->position >= t->size) { |
1489 | tmp = t->array; |
1490 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1491 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1492 | t->size = t->size * 2; |
1493 | free(tmp); |
1494 | } |
1495 | t->array[t->position] = elem; |
1496 | t->position++; |
1497 | } |
1498 | |
90699b2b |
1499 | void *sequence_pop(sequence_t *t) |
90395b4b |
1500 | { |
1501 | return t->array[t->position--]; |
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 | } |