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