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; |
f5c61f8d |
250 | ev->param_buffer = 0; |
54be3e47 |
251 | ev->no_instrument_function = 0; |
90395b4b |
252 | |
253 | while(1) { |
254 | token = getToken(in); |
255 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
256 | ungetToken(in); |
257 | break; |
258 | } |
259 | |
260 | if(!strcmp("name",token)) { |
261 | getEqual(in); |
262 | car = seekNextChar(in); |
263 | if(car == EOF) in->error(in,"name was expected"); |
264 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
265 | else ev->name = allocAndCopy(getName(in)); |
266 | } else if(!strcmp("per_trace", token)) { |
267 | ev->per_trace = 1; |
268 | } else if(!strcmp("per_tracefile", token)) { |
269 | ev->per_tracefile = 1; |
f5c61f8d |
270 | } else if(!strcmp("param_buffer", token)) { |
271 | ev->param_buffer = 1; |
54be3e47 |
272 | } else if(!strcmp("no_instrument_function", token)) { |
273 | ev->no_instrument_function = 1; |
f5c61f8d |
274 | } |
90395b4b |
275 | |
276 | } |
277 | } |
278 | |
279 | /************************************************************************** |
280 | * Function : |
281 | * getFacilityAttributes |
282 | * Description : |
283 | * Read the attribute from the input file. |
284 | * |
285 | * Parameters : |
286 | * in , input file handle. |
287 | * fac , the facility to fill. |
288 | * |
289 | **************************************************************************/ |
290 | |
90699b2b |
291 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
90395b4b |
292 | { |
293 | char * token; |
294 | char car; |
295 | |
296 | fac->name = NULL; |
f5d7967f |
297 | fac->arch = NULL; |
383d64da |
298 | fac->user = 0; |
90395b4b |
299 | |
300 | while(1) { |
301 | token = getToken(in); |
302 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
303 | ungetToken(in); |
304 | break; |
305 | } |
306 | |
307 | if(!strcmp("name",token)) { |
308 | getEqual(in); |
309 | car = seekNextChar(in); |
310 | if(car == EOF) in->error(in,"name was expected"); |
311 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
312 | else fac->name = allocAndCopy(getName(in)); |
383d64da |
313 | if(!strncmp(fac->name, "user_", sizeof("user_")) == 0) |
314 | fac->user = 1; |
f5d7967f |
315 | } else if(!strcmp("arch", token)) { |
316 | getEqual(in); |
317 | car = seekNextChar(in); |
318 | if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
319 | else fac->arch = allocAndCopy(getName(in)); |
320 | } |
90395b4b |
321 | } |
322 | } |
323 | |
324 | /************************************************************************** |
325 | * Function : |
326 | * getFieldAttributes |
327 | * Description : |
328 | * Read the attribute from the input file. |
329 | * |
330 | * Parameters : |
331 | * in , input file handle. |
332 | * f , the field to fill. |
333 | * |
334 | **************************************************************************/ |
335 | |
90699b2b |
336 | void getFieldAttributes(parse_file_t *in, field_t *f) |
90395b4b |
337 | { |
338 | char * token; |
339 | char car; |
340 | |
341 | f->name = NULL; |
342 | |
343 | while(1) { |
344 | token = getToken(in); |
345 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
346 | ungetToken(in); |
347 | break; |
348 | } |
349 | |
350 | if(!strcmp("name",token)) { |
351 | getEqual(in); |
352 | car = seekNextChar(in); |
353 | if(car == EOF) in->error(in,"name was expected"); |
354 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
355 | else f->name = allocAndCopy(getName(in)); |
356 | } |
f0b795e0 |
357 | } |
90395b4b |
358 | } |
359 | |
90699b2b |
360 | char *getNameAttribute(parse_file_t *in) |
90395b4b |
361 | { |
362 | char * token; |
363 | char *name = NULL; |
364 | char car; |
365 | |
366 | while(1) { |
367 | token = getToken(in); |
90395b4b |
368 | if(!strcmp("name",token)) { |
369 | getEqual(in); |
370 | car = seekNextChar(in); |
371 | if(car == EOF) in->error(in,"name was expected"); |
372 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
373 | else name = allocAndCopy(getName(in)); |
0dee0e75 |
374 | } else { |
375 | ungetToken(in); |
376 | break; |
90395b4b |
377 | } |
0dee0e75 |
378 | |
90395b4b |
379 | } |
380 | if(name == NULL) in->error(in, "Name was expected"); |
381 | return name; |
90395b4b |
382 | } |
383 | |
384 | |
385 | |
386 | //for <label name=label_name value=n format="..."/>, value is an option |
9f2d599d |
387 | //Return value : 0 : no value, 1 : has a value |
388 | int getValueAttribute(parse_file_t *in, long long *value) |
90395b4b |
389 | { |
390 | char * token; |
9f2d599d |
391 | int has_quotes = 0; |
90395b4b |
392 | |
393 | token = getToken(in); |
394 | if(strcmp("/",token) == 0){ |
395 | ungetToken(in); |
9f2d599d |
396 | return 0; |
90395b4b |
397 | } |
398 | |
399 | if(strcmp("value",token))in->error(in,"value was expected"); |
400 | getEqual(in); |
401 | token = getToken(in); |
9f2d599d |
402 | |
403 | if(token[0] == '"') { |
404 | has_quotes = 1; |
405 | token = getToken(in); |
406 | } |
407 | if(in->type == NUMBER) { |
408 | *value = strtoll(token, NULL, 0); |
409 | } else { |
410 | goto error; |
411 | } |
412 | if(has_quotes) { |
413 | token = getToken(in); |
414 | if(token[0] != '"') goto error; |
415 | } |
416 | return 1; |
417 | |
418 | error: |
419 | in->error(in,"incorrect size specification"); |
420 | return 0; |
90395b4b |
421 | } |
422 | |
90699b2b |
423 | char * getDescription(parse_file_t *in) |
90395b4b |
424 | { |
425 | long int pos; |
426 | char * token, car, *str; |
427 | |
428 | pos = ftell(in->fp); |
429 | |
430 | getLAnglebracket(in); |
431 | token = getName(in); |
432 | if(strcmp("description",token)){ |
433 | fseek(in->fp, pos, SEEK_SET); |
434 | return NULL; |
435 | } |
436 | |
437 | getRAnglebracket(in); |
438 | |
439 | pos = 0; |
440 | while((car = getc(in->fp)) != EOF) { |
441 | if(car == '<') break; |
442 | if(car == '\0') continue; |
443 | in->buffer[pos] = car; |
444 | pos++; |
445 | } |
446 | if(car == EOF)in->error(in,"not a valid description"); |
447 | in->buffer[pos] = '\0'; |
448 | |
449 | str = allocAndCopy(in->buffer); |
450 | |
451 | getForwardslash(in); |
452 | token = getName(in); |
453 | if(strcmp("description", token))in->error(in,"not a valid description"); |
454 | getRAnglebracket(in); |
455 | |
456 | return str; |
457 | } |
458 | |
459 | /***************************************************************************** |
460 | *Function name |
461 | * parseFacility : generate event list |
462 | *Input params |
463 | * in : input file handle |
464 | * fac : empty facility |
465 | *Output params |
466 | * fac : facility filled with event list |
467 | ****************************************************************************/ |
468 | |
90699b2b |
469 | void parseFacility(parse_file_t *in, facility_t * fac) |
90395b4b |
470 | { |
471 | char * token; |
90699b2b |
472 | event_t *ev; |
90395b4b |
473 | |
474 | getFacilityAttributes(in, fac); |
475 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
f5d7967f |
476 | |
90395b4b |
477 | fac->capname = allocAndCopy(fac->name); |
478 | strupper(fac->capname); |
479 | getRAnglebracket(in); |
480 | |
481 | fac->description = getDescription(in); |
482 | |
483 | while(1){ |
484 | getLAnglebracket(in); |
485 | |
486 | token = getToken(in); |
487 | if(in->type == ENDFILE) |
488 | in->error(in,"the definition of the facility is not finished"); |
489 | |
490 | if(strcmp("event",token) == 0){ |
90699b2b |
491 | ev = (event_t*) memAlloc(sizeof(event_t)); |
90395b4b |
492 | sequence_push(&(fac->events),ev); |
493 | parseEvent(in,ev, &(fac->unnamed_types), &(fac->named_types)); |
494 | }else if(strcmp("type",token) == 0){ |
495 | parseTypeDefinition(in, &(fac->unnamed_types), &(fac->named_types)); |
496 | }else if(in->type == FORWARDSLASH){ |
497 | break; |
498 | }else in->error(in,"event or type token expected\n"); |
499 | } |
500 | |
501 | token = getName(in); |
502 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
503 | getRAnglebracket(in); //</facility> |
504 | } |
505 | |
506 | /***************************************************************************** |
507 | *Function name |
508 | * parseEvent : generate event from event definition |
509 | *Input params |
510 | * in : input file handle |
511 | * ev : new event |
512 | * unnamed_types : array of unamed types |
513 | * named_types : array of named types |
514 | *Output params |
515 | * ev : new event (parameters are passed to it) |
516 | ****************************************************************************/ |
517 | |
90699b2b |
518 | void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
519 | table_t * named_types) |
90395b4b |
520 | { |
521 | char *token; |
f104d082 |
522 | field_t *f; |
90395b4b |
523 | |
f104d082 |
524 | sequence_init(&(ev->fields)); |
90395b4b |
525 | //<event name=eventtype_name> |
526 | getEventAttributes(in, ev); |
527 | if(ev->name == NULL) in->error(in, "Event not named"); |
528 | getRAnglebracket(in); |
529 | |
f104d082 |
530 | //<description>...</description> |
90395b4b |
531 | ev->description = getDescription(in); |
532 | |
f104d082 |
533 | int got_end = 0; |
534 | /* Events can have multiple fields. each field form at least a function |
535 | * parameter of the logging function. */ |
536 | while(!got_end) { |
537 | getLAnglebracket(in); |
538 | token = getToken(in); |
539 | |
540 | switch(in->type) { |
541 | case FORWARDSLASH: /* </event> */ |
542 | token = getName(in); |
543 | if(strcmp("event",token))in->error(in,"not an event definition"); |
544 | getRAnglebracket(in); //</event> |
545 | got_end = 1; |
546 | break; |
547 | case NAME: /* a field */ |
548 | if(strcmp("field",token))in->error(in,"expecting a field"); |
549 | f = (field_t *)memAlloc(sizeof(field_t)); |
550 | sequence_push(&(ev->fields),f); |
551 | parseFields(in, f, unnamed_types, named_types, 1); |
552 | break; |
553 | default: |
554 | in->error(in, "expecting </event> or <field >"); |
555 | break; |
556 | } |
557 | } |
558 | #if 0 |
559 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
560 | ev->type = NULL; |
561 | }else if(in->type == NAME){ |
562 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
563 | ungetToken(in); |
564 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
565 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
566 | in->error(in,"type must be a struct"); |
567 | }else in->error(in, "not a valid type"); |
568 | |
569 | getLAnglebracket(in); |
570 | getForwardslash(in); |
571 | }else in->error(in,"not a struct type"); |
572 | getLAnglebracket(in); |
573 | getForwardslash(in); |
574 | token = getName(in); |
575 | if(strcmp("event",token))in->error(in,"not an event definition"); |
576 | getRAnglebracket(in); //</event> |
577 | #endif //0 |
90395b4b |
578 | } |
579 | |
580 | /***************************************************************************** |
581 | *Function name |
582 | * parseField : get field infomation from buffer |
583 | *Input params |
584 | * in : input file handle |
f104d082 |
585 | * f : field |
90395b4b |
586 | * unnamed_types : array of unamed types |
587 | * named_types : array of named types |
f104d082 |
588 | * tag : is field surrounded by a <field> </field> tag ? |
90395b4b |
589 | ****************************************************************************/ |
590 | |
f104d082 |
591 | void parseFields(parse_file_t *in, field_t *f, |
90699b2b |
592 | sequence_t * unnamed_types, |
f104d082 |
593 | table_t * named_types, |
594 | int tag) |
90395b4b |
595 | { |
596 | char * token; |
f104d082 |
597 | if(tag) { |
598 | //<field name=field_name> <description> <type> </field> |
599 | getFieldAttributes(in, f); |
600 | if(f->name == NULL) in->error(in, "Field not named"); |
601 | getRAnglebracket(in); |
90395b4b |
602 | |
f104d082 |
603 | f->description = getDescription(in); |
15244807 |
604 | } else { |
605 | f->description = NULL; |
f104d082 |
606 | } |
90395b4b |
607 | |
608 | //<int size=...> |
609 | getLAnglebracket(in); |
610 | f->type = parseType(in,NULL, unnamed_types, named_types); |
611 | |
f104d082 |
612 | if(tag) { |
613 | getLAnglebracket(in); |
614 | getForwardslash(in); |
615 | token = getName(in); |
616 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
617 | getRAnglebracket(in); //</field> |
618 | } |
90395b4b |
619 | } |
620 | |
621 | |
622 | /***************************************************************************** |
623 | *Function name |
624 | * parseType : get type information, type can be : |
625 | * Primitive: |
626 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
627 | * string(fmt); enum(size,fmt,(label1,label2...)) |
628 | * Compound: |
629 | * array(arraySize, type); sequence(lengthSize,type) |
630 | * struct(field(name,type,description)...) |
631 | * type name: |
632 | * type(name,type) |
633 | *Input params |
634 | * in : input file handle |
635 | * inType : a type descriptor |
636 | * unnamed_types : array of unamed types |
637 | * named_types : array of named types |
638 | *Return values |
639 | * type_descriptor* : a type descriptor |
640 | ****************************************************************************/ |
641 | |
90699b2b |
642 | type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType, |
643 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
644 | { |
645 | char *token; |
90699b2b |
646 | type_descriptor_t *t; |
f104d082 |
647 | field_t *f; |
90395b4b |
648 | |
649 | if(inType == NULL) { |
90699b2b |
650 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
90395b4b |
651 | t->type_name = NULL; |
652 | t->type = NONE; |
653 | t->fmt = NULL; |
654 | sequence_push(unnamed_types,t); |
655 | } |
656 | else t = inType; |
657 | |
658 | token = getName(in); |
659 | |
660 | if(strcmp(token,"struct") == 0) { |
661 | t->type = STRUCT; |
f104d082 |
662 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
663 | getRAnglebracket(in); //<struct> |
664 | getLAnglebracket(in); //<field name=..> |
665 | token = getToken(in); |
666 | sequence_init(&(t->fields)); |
667 | while(strcmp("field",token) == 0){ |
f104d082 |
668 | f = (field_t *)memAlloc(sizeof(field_t)); |
669 | sequence_push(&(t->fields),f); |
670 | |
671 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
672 | |
673 | //next field |
674 | getLAnglebracket(in); |
675 | token = getToken(in); |
676 | } |
677 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
678 | token = getName(in); |
679 | if(strcmp("struct",token)!=0) |
680 | in->error(in,"not a valid structure definition"); |
681 | getRAnglebracket(in); //</struct> |
682 | } |
683 | else if(strcmp(token,"union") == 0) { |
684 | t->type = UNION; |
f104d082 |
685 | getTypeAttributes(in, t, unnamed_types, named_types); |
686 | getRAnglebracket(in); //<union> |
90395b4b |
687 | |
688 | getLAnglebracket(in); //<field name=..> |
689 | token = getToken(in); |
690 | sequence_init(&(t->fields)); |
691 | while(strcmp("field",token) == 0){ |
f104d082 |
692 | f = (field_t *)memAlloc(sizeof(field_t)); |
693 | sequence_push(&(t->fields),f); |
694 | parseFields(in, f, unnamed_types, named_types, 1); |
90395b4b |
695 | |
696 | //next field |
697 | getLAnglebracket(in); |
698 | token = getToken(in); |
699 | } |
700 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
701 | token = getName(in); |
702 | if(strcmp("union",token)!=0) |
703 | in->error(in,"not a valid union definition"); |
704 | getRAnglebracket(in); //</union> |
705 | } |
706 | else if(strcmp(token,"array") == 0) { |
707 | t->type = ARRAY; |
f104d082 |
708 | sequence_init(&(t->fields)); |
709 | getTypeAttributes(in, t, unnamed_types, named_types); |
710 | if(t->size == 0) in->error(in, "Array has empty size"); |
711 | getForwardslash(in); |
90395b4b |
712 | getRAnglebracket(in); //<array size=n> |
713 | |
f104d082 |
714 | //getLAnglebracket(in); //<subtype> |
715 | /* subfield */ |
716 | f = (field_t *)memAlloc(sizeof(field_t)); |
717 | sequence_push(&(t->fields),f); |
718 | parseFields(in, f, unnamed_types, named_types, 0); |
719 | |
720 | //getLAnglebracket(in); //<type struct> |
721 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
90395b4b |
722 | |
723 | getLAnglebracket(in); //</array> |
724 | getForwardslash(in); |
725 | token = getName(in); |
726 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
727 | getRAnglebracket(in); //</array> |
728 | } |
729 | else if(strcmp(token,"sequence") == 0) { |
730 | t->type = SEQUENCE; |
f104d082 |
731 | sequence_init(&(t->fields)); |
7df766d3 |
732 | getTypeAttributes(in, t, unnamed_types, named_types); |
733 | getForwardslash(in); |
f104d082 |
734 | getRAnglebracket(in); //<sequence> |
735 | |
736 | //getLAnglebracket(in); //<sequence size type> |
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); //<subtype> |
743 | /* subfield */ |
744 | f = (field_t *)memAlloc(sizeof(field_t)); |
745 | sequence_push(&(t->fields),f); |
746 | parseFields(in, f, unnamed_types, named_types, 0); |
747 | |
748 | //getLAnglebracket(in); //<type sequence> |
749 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
750 | |
751 | //getLAnglebracket(in); //<type sequence> |
752 | |
753 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
754 | |
755 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
756 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
757 | switch(((field_t*)t->fields.array[0])->type->type) { |
758 | case UINT_FIXED : |
759 | case UCHAR : |
760 | case USHORT : |
761 | case UINT : |
762 | case ULONG : |
763 | case SIZE_T : |
764 | case OFF_T : |
765 | break; |
766 | default: |
767 | in->error(in, "Wrong length type for sequence"); |
768 | } |
90395b4b |
769 | |
770 | getLAnglebracket(in); //</sequence> |
771 | getForwardslash(in); |
772 | token = getName(in); |
773 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
774 | getRAnglebracket(in); //</sequence> |
775 | } |
776 | else if(strcmp(token,"enum") == 0) { |
f104d082 |
777 | char * str; |
9f2d599d |
778 | long long value = -1; |
f104d082 |
779 | |
90395b4b |
780 | t->type = ENUM; |
781 | sequence_init(&(t->labels)); |
f104d082 |
782 | sequence_init(&(t->labels_values)); |
90395b4b |
783 | sequence_init(&(t->labels_description)); |
784 | t->already_printed = 0; |
f104d082 |
785 | getTypeAttributes(in, t, unnamed_types, named_types); |
786 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
787 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
788 | //fox copy optimisation. |
789 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
790 | t->size = 0; |
90395b4b |
791 | getRAnglebracket(in); |
792 | |
793 | //<label name=label1 value=n/> |
794 | getLAnglebracket(in); |
795 | token = getToken(in); //"label" or "/" |
796 | while(strcmp("label",token) == 0){ |
f104d082 |
797 | int *label_value = malloc(sizeof(int)); |
9f2d599d |
798 | int has_value = 0; |
799 | long long loc_value; |
f104d082 |
800 | |
7b143580 |
801 | str = allocAndCopy(getNameAttribute(in)); |
9f2d599d |
802 | has_value = getValueAttribute(in, &loc_value); |
f104d082 |
803 | |
804 | sequence_push(&(t->labels),str); |
805 | |
9f2d599d |
806 | if(has_value) value = loc_value; |
f104d082 |
807 | else value++; |
808 | |
809 | *label_value = value; |
810 | sequence_push(&(t->labels_values), label_value); |
90395b4b |
811 | |
812 | getForwardslash(in); |
813 | getRAnglebracket(in); |
814 | |
815 | //read description if any. May be NULL. |
816 | str = allocAndCopy(getDescription(in)); |
817 | sequence_push(&(t->labels_description),str); |
818 | |
819 | //next label definition |
820 | getLAnglebracket(in); |
821 | token = getToken(in); //"label" or "/" |
822 | } |
823 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
824 | token = getName(in); |
825 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
826 | getRAnglebracket(in); //</label> |
827 | } |
f104d082 |
828 | else if(strcmp(token,"int_fixed") == 0) { |
829 | t->type = INT_FIXED; |
830 | getTypeAttributes(in, t, unnamed_types, named_types); |
831 | if(t->size == 0) in->error(in, "int has empty size"); |
832 | getForwardslash(in); |
833 | getRAnglebracket(in); |
834 | } |
835 | else if(strcmp(token,"uint_fixed") == 0) { |
836 | t->type = UINT_FIXED; |
837 | getTypeAttributes(in, t, unnamed_types, named_types); |
838 | if(t->size == 0) in->error(in, "uint has empty size"); |
839 | getForwardslash(in); |
840 | getRAnglebracket(in); |
841 | } |
842 | else if(strcmp(token,"char") == 0) { |
843 | t->type = CHAR; |
f104d082 |
844 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
845 | t->size = 1; |
f104d082 |
846 | getForwardslash(in); |
847 | getRAnglebracket(in); |
848 | } |
849 | else if(strcmp(token,"uchar") == 0) { |
850 | t->type = UCHAR; |
f104d082 |
851 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
852 | t->size = 1; |
f104d082 |
853 | getForwardslash(in); |
854 | getRAnglebracket(in); |
855 | } |
856 | else if(strcmp(token,"short") == 0) { |
857 | t->type = SHORT; |
f104d082 |
858 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
859 | t->size = 2; |
f104d082 |
860 | getForwardslash(in); |
861 | getRAnglebracket(in); |
862 | } |
863 | else if(strcmp(token,"ushort") == 0) { |
864 | t->type = USHORT; |
f104d082 |
865 | getTypeAttributes(in, t, unnamed_types, named_types); |
743e50fd |
866 | t->size = 2; |
f104d082 |
867 | getForwardslash(in); |
868 | getRAnglebracket(in); |
869 | } |
90395b4b |
870 | else if(strcmp(token,"int") == 0) { |
871 | t->type = INT; |
f104d082 |
872 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
873 | getForwardslash(in); |
874 | getRAnglebracket(in); |
875 | } |
876 | else if(strcmp(token,"uint") == 0) { |
877 | t->type = UINT; |
f104d082 |
878 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
879 | getForwardslash(in); |
880 | getRAnglebracket(in); |
881 | } |
f104d082 |
882 | |
90395b4b |
883 | else if(strcmp(token,"pointer") == 0) { |
884 | t->type = POINTER; |
f104d082 |
885 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
886 | getForwardslash(in); |
887 | getRAnglebracket(in); |
888 | } |
889 | else if(strcmp(token,"long") == 0) { |
890 | t->type = LONG; |
f104d082 |
891 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
892 | getForwardslash(in); |
893 | getRAnglebracket(in); |
894 | } |
895 | else if(strcmp(token,"ulong") == 0) { |
896 | t->type = ULONG; |
f104d082 |
897 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
898 | getForwardslash(in); |
899 | getRAnglebracket(in); |
900 | } |
901 | else if(strcmp(token,"size_t") == 0) { |
902 | t->type = SIZE_T; |
f104d082 |
903 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
904 | getForwardslash(in); |
905 | getRAnglebracket(in); |
906 | } |
907 | else if(strcmp(token,"ssize_t") == 0) { |
908 | t->type = SSIZE_T; |
f104d082 |
909 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
910 | getForwardslash(in); |
911 | getRAnglebracket(in); |
912 | } |
913 | else if(strcmp(token,"off_t") == 0) { |
914 | t->type = OFF_T; |
f104d082 |
915 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
916 | getForwardslash(in); |
917 | getRAnglebracket(in); |
918 | } |
919 | else if(strcmp(token,"float") == 0) { |
920 | t->type = FLOAT; |
f104d082 |
921 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
922 | getForwardslash(in); |
923 | getRAnglebracket(in); |
924 | } |
925 | else if(strcmp(token,"string") == 0) { |
926 | t->type = STRING; |
f104d082 |
927 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
928 | getForwardslash(in); |
929 | getRAnglebracket(in); |
930 | } |
931 | else if(strcmp(token,"typeref") == 0){ |
932 | // Must be a named type |
f104d082 |
933 | free(t); |
934 | sequence_pop(unnamed_types); |
935 | token = getNameAttribute(in); |
936 | t = find_named_type(token, named_types); |
937 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
938 | getForwardslash(in); //<typeref name=type_name/> |
939 | getRAnglebracket(in); |
940 | return t; |
90395b4b |
941 | }else in->error(in,"not a valid type"); |
942 | |
943 | return t; |
944 | } |
945 | |
946 | /***************************************************************************** |
947 | *Function name |
948 | * find_named_type : find a named type from hash table |
949 | *Input params |
950 | * name : type name |
951 | * named_types : array of named types |
952 | *Return values |
953 | * type_descriptor * : a type descriptor |
954 | *****************************************************************************/ |
955 | |
90699b2b |
956 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
90395b4b |
957 | { |
90699b2b |
958 | type_descriptor_t *t; |
90395b4b |
959 | |
960 | t = table_find(named_types,name); |
f104d082 |
961 | |
90395b4b |
962 | return t; |
f104d082 |
963 | } |
964 | |
965 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
966 | { |
967 | type_descriptor_t *t; |
968 | |
969 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
970 | t->type_name = allocAndCopy(name); |
971 | t->type = NONE; |
972 | t->fmt = NULL; |
973 | table_insert(named_types,t->type_name,t); |
974 | // table_insert(named_types,allocAndCopy(name),t); |
975 | return t; |
976 | } |
90395b4b |
977 | |
978 | /***************************************************************************** |
979 | *Function name |
980 | * parseTypeDefinition : get type information from type definition |
981 | *Input params |
982 | * in : input file handle |
983 | * unnamed_types : array of unamed types |
984 | * named_types : array of named types |
985 | *****************************************************************************/ |
986 | |
90699b2b |
987 | void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types, |
988 | table_t * named_types) |
90395b4b |
989 | { |
990 | char *token; |
90699b2b |
991 | type_descriptor_t *t; |
90395b4b |
992 | |
993 | token = getNameAttribute(in); |
994 | if(token == NULL) in->error(in, "Type has empty name"); |
f104d082 |
995 | t = create_named_type(token, named_types); |
90395b4b |
996 | |
997 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
998 | getRAnglebracket(in); //<type name=type_name> |
999 | getLAnglebracket(in); //< |
1000 | token = getName(in); |
1001 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
1002 | ungetToken(in); |
1003 | parseType(in,t, unnamed_types, named_types); |
1004 | |
1005 | //</type> |
1006 | getLAnglebracket(in); |
1007 | getForwardslash(in); |
1008 | token = getName(in); |
1009 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
1010 | getRAnglebracket(in); //</type> |
1011 | } |
1012 | |
1013 | /************************************************************************** |
1014 | * Function : |
1015 | * getComa, getName, getNumber, getEqual |
1016 | * Description : |
1017 | * Read a token from the input file, check its type, return it scontent. |
1018 | * |
1019 | * Parameters : |
1020 | * in , input file handle. |
1021 | * |
1022 | * Return values : |
1023 | * address of token content. |
1024 | * |
1025 | **************************************************************************/ |
1026 | |
90699b2b |
1027 | char *getName(parse_file_t * in) |
90395b4b |
1028 | { |
1029 | char *token; |
1030 | |
1031 | token = getToken(in); |
7b143580 |
1032 | // Optional descriptions |
1033 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
90395b4b |
1034 | return token; |
1035 | } |
1036 | |
90699b2b |
1037 | int getNumber(parse_file_t * in) |
90395b4b |
1038 | { |
1039 | char *token; |
1040 | |
1041 | token = getToken(in); |
1042 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
1043 | return atoi(token); |
1044 | } |
1045 | |
90699b2b |
1046 | char *getForwardslash(parse_file_t * in) |
90395b4b |
1047 | { |
1048 | char *token; |
1049 | |
1050 | token = getToken(in); |
f104d082 |
1051 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1052 | /* Mathieu : final / is optional now. */ |
1053 | if(in->type != FORWARDSLASH) ungetToken(in); |
1054 | |
90395b4b |
1055 | return token; |
1056 | } |
1057 | |
90699b2b |
1058 | char *getLAnglebracket(parse_file_t * in) |
90395b4b |
1059 | { |
1060 | char *token; |
1061 | |
1062 | token = getToken(in); |
1063 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1064 | return token; |
1065 | } |
1066 | |
90699b2b |
1067 | char *getRAnglebracket(parse_file_t * in) |
90395b4b |
1068 | { |
1069 | char *token; |
1070 | |
1071 | token = getToken(in); |
1072 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1073 | return token; |
1074 | } |
1075 | |
90699b2b |
1076 | char *getQuotedString(parse_file_t * in) |
90395b4b |
1077 | { |
1078 | char *token; |
1079 | |
1080 | token = getToken(in); |
1081 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1082 | return token; |
1083 | } |
1084 | |
90699b2b |
1085 | char * getEqual(parse_file_t *in) |
90395b4b |
1086 | { |
1087 | char *token; |
1088 | |
1089 | token = getToken(in); |
1090 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1091 | return token; |
1092 | } |
1093 | |
90699b2b |
1094 | char seekNextChar(parse_file_t *in) |
90395b4b |
1095 | { |
1096 | char car; |
1097 | while((car = getc(in->fp)) != EOF) { |
1098 | if(!isspace(car)){ |
1099 | ungetc(car,in->fp); |
1100 | return car; |
1101 | } |
1102 | } |
1103 | return EOF; |
1104 | } |
1105 | |
1106 | /****************************************************************** |
1107 | * Function : |
1108 | * getToken, ungetToken |
1109 | * Description : |
1110 | * Read a token from the input file and return its type and content. |
1111 | * Line numbers are accounted for and whitespace/comments are skipped. |
1112 | * |
1113 | * Parameters : |
1114 | * in, input file handle. |
1115 | * |
1116 | * Return values : |
1117 | * address of token content. |
1118 | * |
1119 | ******************************************************************/ |
1120 | |
90699b2b |
1121 | void ungetToken(parse_file_t * in) |
90395b4b |
1122 | { |
1123 | in->unget = 1; |
1124 | } |
1125 | |
90699b2b |
1126 | char *getToken(parse_file_t * in) |
90395b4b |
1127 | { |
1128 | FILE *fp = in->fp; |
1129 | char car, car1; |
1130 | int pos = 0, escaped; |
1131 | |
1132 | if(in->unget == 1) { |
1133 | in->unget = 0; |
1134 | return in->buffer; |
1135 | } |
1136 | |
1137 | /* skip whitespace and comments */ |
1138 | |
1139 | while((car = getc(fp)) != EOF) { |
1140 | if(car == '/') { |
1141 | car1 = getc(fp); |
1142 | if(car1 == '*') skipComment(in); |
1143 | else if(car1 == '/') skipEOL(in); |
1144 | else { |
1145 | car1 = ungetc(car1,fp); |
1146 | break; |
1147 | } |
1148 | } |
1149 | else if(car == '\n') in->lineno++; |
1150 | else if(!isspace(car)) break; |
1151 | } |
1152 | |
1153 | switch(car) { |
1154 | case EOF: |
1155 | in->type = ENDFILE; |
1156 | break; |
1157 | case '/': |
1158 | in->type = FORWARDSLASH; |
1159 | in->buffer[pos] = car; |
1160 | pos++; |
1161 | break; |
1162 | case '<': |
1163 | in->type = LANGLEBRACKET; |
1164 | in->buffer[pos] = car; |
1165 | pos++; |
1166 | break; |
1167 | case '>': |
1168 | in->type = RANGLEBRACKET; |
1169 | in->buffer[pos] = car; |
1170 | pos++; |
1171 | break; |
1172 | case '=': |
1173 | in->type = EQUAL; |
1174 | in->buffer[pos] = car; |
1175 | pos++; |
1176 | break; |
1177 | case '"': |
1178 | escaped = 0; |
1179 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1180 | if(car == '\\' && escaped == 0) { |
1181 | in->buffer[pos] = car; |
1182 | pos++; |
1183 | escaped = 1; |
1184 | continue; |
1185 | } |
1186 | if(car == '"' && escaped == 0) break; |
1187 | if(car == '\n' && escaped == 0) { |
1188 | in->error(in, "non escaped newline inside quoted string"); |
1189 | } |
1190 | if(car == '\n') in->lineno++; |
1191 | in->buffer[pos] = car; |
1192 | pos++; |
1193 | escaped = 0; |
1194 | } |
1195 | if(car == EOF) in->error(in,"no ending quotemark"); |
1196 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1197 | in->type = QUOTEDSTRING; |
1198 | break; |
1199 | default: |
1200 | if(isdigit(car)) { |
1201 | in->buffer[pos] = car; |
1202 | pos++; |
1203 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1204 | if(!isdigit(car)) { |
1205 | ungetc(car,fp); |
1206 | break; |
1207 | } |
1208 | in->buffer[pos] = car; |
1209 | pos++; |
1210 | } |
1211 | if(car == EOF) ungetc(car,fp); |
1212 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1213 | in->type = NUMBER; |
1214 | } |
7b143580 |
1215 | else if(isalnum(car) || car == '_' || car == '-') { |
90395b4b |
1216 | in->buffer[0] = car; |
1217 | pos = 1; |
1218 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
7b143580 |
1219 | if(!(isalnum(car) || car == '_' || car == '-')) { |
90395b4b |
1220 | ungetc(car,fp); |
1221 | break; |
1222 | } |
1223 | in->buffer[pos] = car; |
1224 | pos++; |
1225 | } |
1226 | if(car == EOF) ungetc(car,fp); |
1227 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1228 | in->type = NAME; |
1229 | } |
1230 | else in->error(in, "invalid character, unrecognized token"); |
1231 | } |
1232 | in->buffer[pos] = 0; |
1233 | return in->buffer; |
1234 | } |
1235 | |
90699b2b |
1236 | void skipComment(parse_file_t * in) |
90395b4b |
1237 | { |
1238 | char car; |
1239 | while((car = getc(in->fp)) != EOF) { |
1240 | if(car == '\n') in->lineno++; |
1241 | else if(car == '*') { |
1242 | car = getc(in->fp); |
1243 | if(car ==EOF) break; |
1244 | if(car == '/') return; |
1245 | ungetc(car,in->fp); |
1246 | } |
1247 | } |
1248 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1249 | } |
1250 | |
90699b2b |
1251 | void skipEOL(parse_file_t * in) |
90395b4b |
1252 | { |
1253 | char car; |
1254 | while((car = getc(in->fp)) != EOF) { |
1255 | if(car == '\n') { |
1256 | ungetc(car,in->fp); |
1257 | break; |
1258 | } |
1259 | } |
1260 | if(car == EOF)ungetc(car, in->fp); |
1261 | } |
1262 | |
1263 | /***************************************************************************** |
1264 | *Function name |
1265 | * checkNamedTypesImplemented : check if all named types have definition |
1266 | ****************************************************************************/ |
1267 | |
90699b2b |
1268 | void checkNamedTypesImplemented(table_t * named_types) |
90395b4b |
1269 | { |
90699b2b |
1270 | type_descriptor_t *t; |
90395b4b |
1271 | int pos; |
1272 | char str[256]; |
1273 | |
1274 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
90699b2b |
1275 | t = (type_descriptor_t *) named_types->values.array[pos]; |
90395b4b |
1276 | if(t->type == NONE){ |
90699b2b |
1277 | sprintf(str,"named type '%s' has no definition", |
1278 | (char*)named_types->keys.array[pos]); |
90395b4b |
1279 | error_callback(NULL,str); |
1280 | } |
1281 | } |
1282 | } |
1283 | |
1284 | |
1285 | /***************************************************************************** |
1286 | *Function name |
1287 | * generateChecksum : generate checksum for the facility |
1288 | *Input Params |
1289 | * facName : name of facility |
1290 | *Output Params |
1291 | * checksum : checksum for the facility |
1292 | ****************************************************************************/ |
1293 | |
90699b2b |
1294 | void generateChecksum(char* facName, |
f104d082 |
1295 | unsigned int * checksum, sequence_t * events) |
90395b4b |
1296 | { |
1297 | unsigned long crc ; |
1298 | int pos; |
90699b2b |
1299 | event_t * ev; |
2312de30 |
1300 | unsigned int i; |
90395b4b |
1301 | |
1302 | crc = crc32(facName); |
1303 | for(pos = 0; pos < events->position; pos++){ |
90699b2b |
1304 | ev = (event_t *)(events->array[pos]); |
f104d082 |
1305 | crc = partial_crc32(ev->name, crc); |
2312de30 |
1306 | for(i = 0; i < ev->fields.position; i++) { |
f104d082 |
1307 | field_t *f = (field_t*)ev->fields.array[i]; |
1308 | crc = partial_crc32(f->name, crc); |
1309 | crc = getTypeChecksum(crc, f->type); |
1310 | } |
90395b4b |
1311 | } |
1312 | *checksum = crc; |
1313 | } |
1314 | |
1315 | /***************************************************************************** |
1316 | *Function name |
1317 | * getTypeChecksum : generate checksum by type info |
1318 | *Input Params |
1319 | * crc : checksum generated so far |
1320 | * type : type descriptor containing type info |
1321 | *Return value |
1322 | * unsigned long : checksum |
1323 | *****************************************************************************/ |
1324 | |
90699b2b |
1325 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
90395b4b |
1326 | { |
1327 | unsigned long crc = aCrc; |
1328 | char * str = NULL, buf[16]; |
1329 | int flag = 0, pos; |
90699b2b |
1330 | field_t * fld; |
90395b4b |
1331 | |
1332 | switch(type->type){ |
f104d082 |
1333 | case INT_FIXED: |
1334 | str = intOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1335 | break; |
f104d082 |
1336 | case UINT_FIXED: |
1337 | str = uintOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1338 | break; |
1339 | case POINTER: |
1340 | str = allocAndCopy("void *"); |
1341 | flag = 1; |
1342 | break; |
f104d082 |
1343 | case CHAR: |
1344 | str = allocAndCopy("signed char"); |
1345 | flag = 1; |
1346 | break; |
1347 | case UCHAR: |
1348 | str = allocAndCopy("unsigned char"); |
1349 | flag = 1; |
1350 | break; |
1351 | case SHORT: |
1352 | str = allocAndCopy("short"); |
1353 | flag = 1; |
1354 | break; |
1355 | case USHORT: |
1356 | str = allocAndCopy("unsigned short"); |
1357 | flag = 1; |
1358 | break; |
1359 | case INT: |
1360 | str = allocAndCopy("int"); |
1361 | flag = 1; |
1362 | break; |
1363 | case UINT: |
1364 | str = allocAndCopy("uint"); |
1365 | flag = 1; |
1366 | break; |
90395b4b |
1367 | case LONG: |
1368 | str = allocAndCopy("long"); |
1369 | flag = 1; |
1370 | break; |
1371 | case ULONG: |
1372 | str = allocAndCopy("unsigned long"); |
1373 | flag = 1; |
1374 | break; |
1375 | case SIZE_T: |
1376 | str = allocAndCopy("size_t"); |
1377 | flag = 1; |
1378 | break; |
1379 | case SSIZE_T: |
1380 | str = allocAndCopy("ssize_t"); |
1381 | flag = 1; |
1382 | break; |
1383 | case OFF_T: |
1384 | str = allocAndCopy("off_t"); |
1385 | flag = 1; |
1386 | break; |
1387 | case FLOAT: |
f104d082 |
1388 | str = floatOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1389 | break; |
1390 | case STRING: |
1391 | str = allocAndCopy("string"); |
1392 | flag = 1; |
1393 | break; |
1394 | case ENUM: |
f104d082 |
1395 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1396 | str = allocAndCopy("enum"); |
90395b4b |
1397 | flag = 1; |
1398 | break; |
1399 | case ARRAY: |
f104d082 |
1400 | sprintf(buf,"%zu", type->size); |
90395b4b |
1401 | str = appendString("array ",buf); |
1402 | flag = 1; |
1403 | break; |
1404 | case SEQUENCE: |
743e50fd |
1405 | str = allocAndCopy("sequence "); |
90395b4b |
1406 | flag = 1; |
1407 | break; |
1408 | case STRUCT: |
1409 | str = allocAndCopy("struct"); |
1410 | flag = 1; |
1411 | break; |
1412 | case UNION: |
1413 | str = allocAndCopy("union"); |
1414 | flag = 1; |
1415 | break; |
1416 | default: |
1417 | error_callback(NULL, "named type has no definition"); |
1418 | break; |
1419 | } |
1420 | |
1421 | crc = partial_crc32(str,crc); |
1422 | if(flag) free(str); |
1423 | |
1424 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1425 | |
f104d082 |
1426 | if(type->type == ARRAY){ |
1427 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1428 | } else if(type->type ==SEQUENCE) { |
1429 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1430 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1431 | } else if(type->type == STRUCT || type->type == UNION){ |
90395b4b |
1432 | for(pos =0; pos < type->fields.position; pos++){ |
90699b2b |
1433 | fld = (field_t *) type->fields.array[pos]; |
90395b4b |
1434 | crc = partial_crc32(fld->name,crc); |
1435 | crc = getTypeChecksum(crc, fld->type); |
1436 | } |
1437 | }else if(type->type == ENUM){ |
1438 | for(pos = 0; pos < type->labels.position; pos++) |
1439 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1440 | } |
1441 | |
1442 | return crc; |
1443 | } |
1444 | |
1445 | |
1446 | /* Event type descriptors */ |
90699b2b |
1447 | void freeType(type_descriptor_t * tp) |
90395b4b |
1448 | { |
1449 | int pos2; |
90699b2b |
1450 | field_t *f; |
90395b4b |
1451 | |
1452 | if(tp->fmt != NULL) free(tp->fmt); |
1453 | if(tp->type == ENUM) { |
1454 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1455 | free(tp->labels.array[pos2]); |
1456 | } |
1457 | sequence_dispose(&(tp->labels)); |
f104d082 |
1458 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1459 | free(tp->labels_values.array[pos2]); |
1460 | } |
1461 | sequence_dispose(&(tp->labels_values)); |
90395b4b |
1462 | } |
1463 | if(tp->type == STRUCT) { |
1464 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
90699b2b |
1465 | f = (field_t *) tp->fields.array[pos2]; |
90395b4b |
1466 | free(f->name); |
1467 | free(f->description); |
1468 | free(f); |
1469 | } |
1470 | sequence_dispose(&(tp->fields)); |
1471 | } |
1472 | } |
1473 | |
90699b2b |
1474 | void freeNamedType(table_t * t) |
90395b4b |
1475 | { |
1476 | int pos; |
90699b2b |
1477 | type_descriptor_t * td; |
90395b4b |
1478 | |
1479 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1480 | free((char *)t->keys.array[pos]); |
90699b2b |
1481 | td = (type_descriptor_t*)t->values.array[pos]; |
90395b4b |
1482 | freeType(td); |
1483 | free(td); |
1484 | } |
1485 | } |
1486 | |
90699b2b |
1487 | void freeTypes(sequence_t *t) |
90395b4b |
1488 | { |
a0c1f622 |
1489 | int pos; |
90699b2b |
1490 | type_descriptor_t *tp; |
90395b4b |
1491 | |
1492 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1493 | tp = (type_descriptor_t *)t->array[pos]; |
90395b4b |
1494 | freeType(tp); |
1495 | free(tp); |
1496 | } |
1497 | } |
1498 | |
90699b2b |
1499 | void freeEvents(sequence_t *t) |
90395b4b |
1500 | { |
1501 | int pos; |
90699b2b |
1502 | event_t *ev; |
90395b4b |
1503 | |
1504 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1505 | ev = (event_t *) t->array[pos]; |
90395b4b |
1506 | free(ev->name); |
1507 | free(ev->description); |
f104d082 |
1508 | sequence_dispose(&ev->fields); |
90395b4b |
1509 | free(ev); |
1510 | } |
1511 | |
1512 | } |
1513 | |
1514 | |
1515 | /* Extensible array */ |
1516 | |
90699b2b |
1517 | void sequence_init(sequence_t *t) |
90395b4b |
1518 | { |
1519 | t->size = 10; |
1520 | t->position = 0; |
1521 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1522 | } |
1523 | |
90699b2b |
1524 | void sequence_dispose(sequence_t *t) |
90395b4b |
1525 | { |
1526 | t->size = 0; |
1527 | free(t->array); |
1528 | t->array = NULL; |
1529 | } |
1530 | |
90699b2b |
1531 | void sequence_push(sequence_t *t, void *elem) |
90395b4b |
1532 | { |
1533 | void **tmp; |
1534 | |
1535 | if(t->position >= t->size) { |
1536 | tmp = t->array; |
1537 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1538 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1539 | t->size = t->size * 2; |
1540 | free(tmp); |
1541 | } |
1542 | t->array[t->position] = elem; |
1543 | t->position++; |
1544 | } |
1545 | |
90699b2b |
1546 | void *sequence_pop(sequence_t *t) |
90395b4b |
1547 | { |
845a3be5 |
1548 | if(t->position == 0) printf("Error : trying to pop an empty sequence"); |
1549 | return t->array[--t->position]; |
90395b4b |
1550 | } |
1551 | |
1552 | |
1553 | /* Hash table API, implementation is just linear search for now */ |
1554 | |
90699b2b |
1555 | void table_init(table_t *t) |
90395b4b |
1556 | { |
1557 | sequence_init(&(t->keys)); |
1558 | sequence_init(&(t->values)); |
1559 | } |
1560 | |
90699b2b |
1561 | void table_dispose(table_t *t) |
90395b4b |
1562 | { |
1563 | sequence_dispose(&(t->keys)); |
1564 | sequence_dispose(&(t->values)); |
1565 | } |
1566 | |
90699b2b |
1567 | void table_insert(table_t *t, char *key, void *value) |
90395b4b |
1568 | { |
1569 | sequence_push(&(t->keys),key); |
1570 | sequence_push(&(t->values),value); |
1571 | } |
1572 | |
90699b2b |
1573 | void *table_find(table_t *t, char *key) |
90395b4b |
1574 | { |
1575 | int pos; |
1576 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1577 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1578 | return(t->values.array[pos]); |
1579 | } |
1580 | return NULL; |
1581 | } |
1582 | |
90699b2b |
1583 | void table_insert_int(table_t *t, int *key, void *value) |
90395b4b |
1584 | { |
1585 | sequence_push(&(t->keys),key); |
1586 | sequence_push(&(t->values),value); |
1587 | } |
1588 | |
90699b2b |
1589 | void *table_find_int(table_t *t, int *key) |
90395b4b |
1590 | { |
1591 | int pos; |
1592 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1593 | if(*key == *(int *)t->keys.array[pos]) |
1594 | return(t->values.array[pos]); |
1595 | } |
1596 | return NULL; |
1597 | } |
1598 | |
1599 | |
1600 | /* Concatenate strings */ |
1601 | |
1602 | char *appendString(char *s, char *suffix) |
1603 | { |
1604 | char *tmp; |
1605 | if(suffix == NULL) return s; |
1606 | |
1607 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1608 | strcpy(tmp,s); |
1609 | strcat(tmp,suffix); |
1610 | return tmp; |
1611 | } |