3583026d |
1 | /* |
2 | |
3 | parser.c: Generate helper declarations and functions to trace events |
4 | from an event description file. |
5 | |
a3e6ce64 |
6 | Copyright (C) 2005, Mathieu Desnoyers |
7 | Copyright (C) 2002, Xianxiu Yang |
8 | Copyright (C) 2002, Michel Dagenais |
9 | This program is free software; you can redistribute it and/or modify |
3583026d |
10 | it under the terms of the GNU General Public License as published by |
a3e6ce64 |
11 | the Free Software Foundation; version 2 of the License. |
3583026d |
12 | |
a3e6ce64 |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
3583026d |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ |
22 | |
23 | /* This program reads the ".xml" event definitions input files |
24 | and constructs structure for each event. |
25 | |
26 | The program uses a very simple tokenizer, called from a hand written |
27 | recursive descent parser to fill a data structure describing the events. |
28 | The result is a sequence of events definitions which refer to type |
29 | definitions. |
30 | |
31 | A table of named types is maintained to allow refering to types by name |
32 | when the same type is used at several places. Finally a sequence of |
33 | all types is maintained to facilitate the freeing of all type |
34 | information when the processing of an ".xml" file is finished. */ |
35 | |
36 | #include <stdlib.h> |
37 | #include <string.h> |
38 | #include <stdio.h> |
39 | #include <stdarg.h> |
40 | #include <linux/errno.h> |
41 | #include <assert.h> |
42 | #include <ctype.h> |
43 | |
44 | #include "parser.h" |
45 | |
46 | |
2d2d14a7 |
47 | char *intOutputTypes[] = { |
48 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
3583026d |
49 | |
2d2d14a7 |
50 | char *uintOutputTypes[] = { |
51 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
3583026d |
52 | |
2d2d14a7 |
53 | char *floatOutputTypes[] = { |
54 | "undef", "undef", "float", "double" }; |
3583026d |
55 | |
56 | |
57 | |
58 | |
59 | /* helper function */ |
60 | void strupper(char *string) |
61 | { |
62 | char *ptr = string; |
63 | |
64 | while(*ptr != '\0') { |
65 | *ptr = toupper(*ptr); |
66 | ptr++; |
67 | } |
68 | } |
69 | |
70 | |
2d2d14a7 |
71 | int getSizeindex(unsigned int value) |
3583026d |
72 | { |
73 | switch(value) { |
74 | case 1: |
75 | return 0; |
76 | case 2: |
77 | return 1; |
78 | case 4: |
79 | return 2; |
80 | case 8: |
81 | return 3; |
82 | default: |
83 | printf("Error : unknown value size %d\n", value); |
84 | exit(-1); |
85 | } |
86 | } |
87 | |
88 | /***************************************************************************** |
89 | *Function name |
90 | * getSize : translate from string to integer |
91 | *Input params |
92 | * in : input file handle |
93 | *Return values |
94 | * size |
95 | *****************************************************************************/ |
96 | |
2d2d14a7 |
97 | unsigned long long int getSize(parse_file_t *in) |
3583026d |
98 | { |
99 | char *token; |
bb9014e6 |
100 | int has_quotes = 0; |
101 | unsigned long long int ret; |
3583026d |
102 | |
103 | token = getToken(in); |
bb9014e6 |
104 | if(token[0] == '"') { |
105 | has_quotes = 1; |
106 | token = getToken(in); |
107 | } |
3583026d |
108 | if(in->type == NUMBER) { |
bb9014e6 |
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: |
3583026d |
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 | |
132 | void error_callback(parse_file_t *in, char *msg) |
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 | |
be97b953 |
193 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
194 | sequence_t * unnamed_types, table_t * named_types) |
3583026d |
195 | { |
196 | char * token; |
197 | |
198 | t->fmt = NULL; |
2d2d14a7 |
199 | t->size = 0; |
64a6ab10 |
200 | t->custom_write = 0; |
7479dd85 |
201 | t->network = 0; |
3583026d |
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)); |
be97b953 |
219 | } else if(!strcmp("size",token)) { |
3583026d |
220 | getEqual(in); |
221 | t->size = getSize(in); |
64a6ab10 |
222 | } else if(!strcmp("custom_write", token)) { |
223 | t->custom_write = 1; |
7479dd85 |
224 | } else if(!strcmp("network", token)) { |
225 | t->network = 1; |
226 | } |
3583026d |
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 | |
242 | void getEventAttributes(parse_file_t *in, event_t *ev) |
243 | { |
244 | char * token; |
245 | char car; |
246 | |
247 | ev->name = NULL; |
248 | ev->per_trace = 0; |
249 | ev->per_tracefile = 0; |
1e08067e |
250 | ev->param_buffer = 0; |
3583026d |
251 | |
252 | while(1) { |
253 | token = getToken(in); |
254 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
255 | ungetToken(in); |
256 | break; |
257 | } |
258 | |
259 | if(!strcmp("name",token)) { |
260 | getEqual(in); |
261 | car = seekNextChar(in); |
262 | if(car == EOF) in->error(in,"name was expected"); |
263 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
264 | else ev->name = allocAndCopy(getName(in)); |
265 | } else if(!strcmp("per_trace", token)) { |
266 | ev->per_trace = 1; |
267 | } else if(!strcmp("per_tracefile", token)) { |
268 | ev->per_tracefile = 1; |
1e08067e |
269 | } else if(!strcmp("param_buffer", token)) { |
270 | ev->param_buffer = 1; |
271 | } |
3583026d |
272 | |
273 | } |
274 | } |
275 | |
276 | /************************************************************************** |
277 | * Function : |
278 | * getFacilityAttributes |
279 | * Description : |
280 | * Read the attribute from the input file. |
281 | * |
282 | * Parameters : |
283 | * in , input file handle. |
284 | * fac , the facility to fill. |
285 | * |
286 | **************************************************************************/ |
287 | |
288 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
289 | { |
290 | char * token; |
291 | char car; |
292 | |
293 | fac->name = NULL; |
ffaf5031 |
294 | fac->arch = NULL; |
bd7b8ca6 |
295 | fac->user = 0; |
3583026d |
296 | |
297 | while(1) { |
298 | token = getToken(in); |
299 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
300 | ungetToken(in); |
301 | break; |
302 | } |
303 | |
304 | if(!strcmp("name",token)) { |
305 | getEqual(in); |
306 | car = seekNextChar(in); |
307 | if(car == EOF) in->error(in,"name was expected"); |
308 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
309 | else fac->name = allocAndCopy(getName(in)); |
bd7b8ca6 |
310 | if(!strncmp(fac->name, "user_", sizeof("user_")) == 0) |
311 | fac->user = 1; |
ffaf5031 |
312 | } else if(!strcmp("arch", token)) { |
313 | getEqual(in); |
314 | car = seekNextChar(in); |
315 | if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
316 | else fac->arch = allocAndCopy(getName(in)); |
317 | } |
3583026d |
318 | } |
319 | } |
320 | |
321 | /************************************************************************** |
322 | * Function : |
323 | * getFieldAttributes |
324 | * Description : |
325 | * Read the attribute from the input file. |
326 | * |
327 | * Parameters : |
328 | * in , input file handle. |
329 | * f , the field to fill. |
330 | * |
331 | **************************************************************************/ |
332 | |
333 | void getFieldAttributes(parse_file_t *in, field_t *f) |
334 | { |
335 | char * token; |
336 | char car; |
337 | |
338 | f->name = NULL; |
339 | |
340 | while(1) { |
341 | token = getToken(in); |
342 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
343 | ungetToken(in); |
344 | break; |
345 | } |
346 | |
347 | if(!strcmp("name",token)) { |
348 | getEqual(in); |
349 | car = seekNextChar(in); |
350 | if(car == EOF) in->error(in,"name was expected"); |
351 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
352 | else f->name = allocAndCopy(getName(in)); |
353 | } |
7479dd85 |
354 | } |
3583026d |
355 | } |
356 | |
357 | char *getNameAttribute(parse_file_t *in) |
358 | { |
359 | char * token; |
360 | char *name = NULL; |
361 | char car; |
362 | |
363 | while(1) { |
364 | token = getToken(in); |
3583026d |
365 | if(!strcmp("name",token)) { |
366 | getEqual(in); |
367 | car = seekNextChar(in); |
368 | if(car == EOF) in->error(in,"name was expected"); |
369 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
370 | else name = allocAndCopy(getName(in)); |
64a6ab10 |
371 | } else { |
372 | ungetToken(in); |
373 | break; |
3583026d |
374 | } |
64a6ab10 |
375 | |
3583026d |
376 | } |
377 | if(name == NULL) in->error(in, "Name was expected"); |
378 | return name; |
3583026d |
379 | } |
380 | |
381 | |
382 | |
383 | //for <label name=label_name value=n format="..."/>, value is an option |
bb9014e6 |
384 | //Return value : 0 : no value, 1 : has a value |
385 | int getValueAttribute(parse_file_t *in, long long *value) |
3583026d |
386 | { |
387 | char * token; |
bb9014e6 |
388 | int has_quotes = 0; |
3583026d |
389 | |
390 | token = getToken(in); |
391 | if(strcmp("/",token) == 0){ |
392 | ungetToken(in); |
bb9014e6 |
393 | return 0; |
3583026d |
394 | } |
395 | |
396 | if(strcmp("value",token))in->error(in,"value was expected"); |
397 | getEqual(in); |
398 | token = getToken(in); |
bb9014e6 |
399 | |
400 | if(token[0] == '"') { |
401 | has_quotes = 1; |
402 | token = getToken(in); |
403 | } |
404 | if(in->type == NUMBER) { |
405 | *value = strtoll(token, NULL, 0); |
406 | } else { |
407 | goto error; |
408 | } |
409 | if(has_quotes) { |
410 | token = getToken(in); |
411 | if(token[0] != '"') goto error; |
412 | } |
413 | return 1; |
414 | |
415 | error: |
416 | in->error(in,"incorrect size specification"); |
417 | return 0; |
3583026d |
418 | } |
419 | |
420 | char * getDescription(parse_file_t *in) |
421 | { |
422 | long int pos; |
423 | char * token, car, *str; |
424 | |
425 | pos = ftell(in->fp); |
426 | |
427 | getLAnglebracket(in); |
428 | token = getName(in); |
429 | if(strcmp("description",token)){ |
430 | fseek(in->fp, pos, SEEK_SET); |
431 | return NULL; |
432 | } |
433 | |
434 | getRAnglebracket(in); |
435 | |
436 | pos = 0; |
437 | while((car = getc(in->fp)) != EOF) { |
438 | if(car == '<') break; |
439 | if(car == '\0') continue; |
440 | in->buffer[pos] = car; |
441 | pos++; |
442 | } |
443 | if(car == EOF)in->error(in,"not a valid description"); |
444 | in->buffer[pos] = '\0'; |
445 | |
446 | str = allocAndCopy(in->buffer); |
447 | |
448 | getForwardslash(in); |
449 | token = getName(in); |
450 | if(strcmp("description", token))in->error(in,"not a valid description"); |
451 | getRAnglebracket(in); |
452 | |
453 | return str; |
454 | } |
455 | |
456 | /***************************************************************************** |
457 | *Function name |
458 | * parseFacility : generate event list |
459 | *Input params |
460 | * in : input file handle |
461 | * fac : empty facility |
462 | *Output params |
463 | * fac : facility filled with event list |
464 | ****************************************************************************/ |
465 | |
466 | void parseFacility(parse_file_t *in, facility_t * fac) |
467 | { |
468 | char * token; |
469 | event_t *ev; |
470 | |
471 | getFacilityAttributes(in, fac); |
472 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
ffaf5031 |
473 | |
3583026d |
474 | fac->capname = allocAndCopy(fac->name); |
475 | strupper(fac->capname); |
476 | getRAnglebracket(in); |
477 | |
478 | fac->description = getDescription(in); |
479 | |
480 | while(1){ |
481 | getLAnglebracket(in); |
482 | |
483 | token = getToken(in); |
484 | if(in->type == ENDFILE) |
485 | in->error(in,"the definition of the facility is not finished"); |
486 | |
487 | if(strcmp("event",token) == 0){ |
488 | ev = (event_t*) memAlloc(sizeof(event_t)); |
489 | sequence_push(&(fac->events),ev); |
490 | parseEvent(in,ev, &(fac->unnamed_types), &(fac->named_types)); |
491 | }else if(strcmp("type",token) == 0){ |
492 | parseTypeDefinition(in, &(fac->unnamed_types), &(fac->named_types)); |
493 | }else if(in->type == FORWARDSLASH){ |
494 | break; |
495 | }else in->error(in,"event or type token expected\n"); |
496 | } |
497 | |
498 | token = getName(in); |
499 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
500 | getRAnglebracket(in); //</facility> |
501 | } |
502 | |
503 | /***************************************************************************** |
504 | *Function name |
505 | * parseEvent : generate event from event definition |
506 | *Input params |
507 | * in : input file handle |
508 | * ev : new event |
509 | * unnamed_types : array of unamed types |
510 | * named_types : array of named types |
511 | *Output params |
512 | * ev : new event (parameters are passed to it) |
513 | ****************************************************************************/ |
514 | |
515 | void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
516 | table_t * named_types) |
517 | { |
518 | char *token; |
47299663 |
519 | field_t *f; |
3583026d |
520 | |
47299663 |
521 | sequence_init(&(ev->fields)); |
3583026d |
522 | //<event name=eventtype_name> |
523 | getEventAttributes(in, ev); |
524 | if(ev->name == NULL) in->error(in, "Event not named"); |
525 | getRAnglebracket(in); |
526 | |
47299663 |
527 | //<description>...</description> |
3583026d |
528 | ev->description = getDescription(in); |
529 | |
47299663 |
530 | int got_end = 0; |
531 | /* Events can have multiple fields. each field form at least a function |
532 | * parameter of the logging function. */ |
533 | while(!got_end) { |
534 | getLAnglebracket(in); |
535 | token = getToken(in); |
536 | |
537 | switch(in->type) { |
538 | case FORWARDSLASH: /* </event> */ |
539 | token = getName(in); |
540 | if(strcmp("event",token))in->error(in,"not an event definition"); |
541 | getRAnglebracket(in); //</event> |
542 | got_end = 1; |
543 | break; |
544 | case NAME: /* a field */ |
545 | if(strcmp("field",token))in->error(in,"expecting a field"); |
546 | f = (field_t *)memAlloc(sizeof(field_t)); |
547 | sequence_push(&(ev->fields),f); |
a67cd958 |
548 | parseFields(in, f, unnamed_types, named_types, 1); |
47299663 |
549 | break; |
550 | default: |
551 | in->error(in, "expecting </event> or <field >"); |
552 | break; |
553 | } |
554 | } |
555 | #if 0 |
556 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
557 | ev->type = NULL; |
558 | }else if(in->type == NAME){ |
559 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
560 | ungetToken(in); |
561 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
562 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
563 | in->error(in,"type must be a struct"); |
564 | }else in->error(in, "not a valid type"); |
565 | |
566 | getLAnglebracket(in); |
567 | getForwardslash(in); |
568 | }else in->error(in,"not a struct type"); |
569 | getLAnglebracket(in); |
570 | getForwardslash(in); |
571 | token = getName(in); |
572 | if(strcmp("event",token))in->error(in,"not an event definition"); |
573 | getRAnglebracket(in); //</event> |
574 | #endif //0 |
3583026d |
575 | } |
576 | |
577 | /***************************************************************************** |
578 | *Function name |
579 | * parseField : get field infomation from buffer |
580 | *Input params |
581 | * in : input file handle |
47299663 |
582 | * f : field |
3583026d |
583 | * unnamed_types : array of unamed types |
584 | * named_types : array of named types |
a67cd958 |
585 | * tag : is field surrounded by a <field> </field> tag ? |
3583026d |
586 | ****************************************************************************/ |
587 | |
47299663 |
588 | void parseFields(parse_file_t *in, field_t *f, |
3583026d |
589 | sequence_t * unnamed_types, |
a67cd958 |
590 | table_t * named_types, |
591 | int tag) |
3583026d |
592 | { |
593 | char * token; |
a67cd958 |
594 | if(tag) { |
595 | //<field name=field_name> <description> <type> </field> |
596 | getFieldAttributes(in, f); |
597 | if(f->name == NULL) in->error(in, "Field not named"); |
598 | getRAnglebracket(in); |
3583026d |
599 | |
a67cd958 |
600 | f->description = getDescription(in); |
7479dd85 |
601 | } else { |
602 | f->description = NULL; |
a67cd958 |
603 | } |
3583026d |
604 | |
605 | //<int size=...> |
606 | getLAnglebracket(in); |
607 | f->type = parseType(in,NULL, unnamed_types, named_types); |
608 | |
a67cd958 |
609 | if(tag) { |
610 | getLAnglebracket(in); |
611 | getForwardslash(in); |
612 | token = getName(in); |
613 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
614 | getRAnglebracket(in); //</field> |
615 | } |
3583026d |
616 | } |
617 | |
618 | |
619 | /***************************************************************************** |
620 | *Function name |
621 | * parseType : get type information, type can be : |
622 | * Primitive: |
623 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
624 | * string(fmt); enum(size,fmt,(label1,label2...)) |
625 | * Compound: |
626 | * array(arraySize, type); sequence(lengthSize,type) |
627 | * struct(field(name,type,description)...) |
628 | * type name: |
629 | * type(name,type) |
630 | *Input params |
631 | * in : input file handle |
632 | * inType : a type descriptor |
633 | * unnamed_types : array of unamed types |
634 | * named_types : array of named types |
635 | *Return values |
636 | * type_descriptor* : a type descriptor |
637 | ****************************************************************************/ |
638 | |
639 | type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType, |
640 | sequence_t * unnamed_types, table_t * named_types) |
641 | { |
642 | char *token; |
643 | type_descriptor_t *t; |
47299663 |
644 | field_t *f; |
3583026d |
645 | |
646 | if(inType == NULL) { |
647 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
648 | t->type_name = NULL; |
649 | t->type = NONE; |
650 | t->fmt = NULL; |
651 | sequence_push(unnamed_types,t); |
652 | } |
653 | else t = inType; |
654 | |
655 | token = getName(in); |
656 | |
657 | if(strcmp(token,"struct") == 0) { |
658 | t->type = STRUCT; |
be97b953 |
659 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
660 | getRAnglebracket(in); //<struct> |
661 | getLAnglebracket(in); //<field name=..> |
662 | token = getToken(in); |
663 | sequence_init(&(t->fields)); |
664 | while(strcmp("field",token) == 0){ |
47299663 |
665 | f = (field_t *)memAlloc(sizeof(field_t)); |
666 | sequence_push(&(t->fields),f); |
667 | |
a67cd958 |
668 | parseFields(in, f, unnamed_types, named_types, 1); |
3583026d |
669 | |
670 | //next field |
671 | getLAnglebracket(in); |
672 | token = getToken(in); |
673 | } |
674 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
675 | token = getName(in); |
676 | if(strcmp("struct",token)!=0) |
677 | in->error(in,"not a valid structure definition"); |
678 | getRAnglebracket(in); //</struct> |
679 | } |
680 | else if(strcmp(token,"union") == 0) { |
681 | t->type = UNION; |
be97b953 |
682 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
683 | getRAnglebracket(in); //<union> |
3583026d |
684 | |
685 | getLAnglebracket(in); //<field name=..> |
686 | token = getToken(in); |
687 | sequence_init(&(t->fields)); |
688 | while(strcmp("field",token) == 0){ |
47299663 |
689 | f = (field_t *)memAlloc(sizeof(field_t)); |
690 | sequence_push(&(t->fields),f); |
a67cd958 |
691 | parseFields(in, f, unnamed_types, named_types, 1); |
3583026d |
692 | |
693 | //next field |
694 | getLAnglebracket(in); |
695 | token = getToken(in); |
696 | } |
697 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
698 | token = getName(in); |
699 | if(strcmp("union",token)!=0) |
700 | in->error(in,"not a valid union definition"); |
701 | getRAnglebracket(in); //</union> |
702 | } |
703 | else if(strcmp(token,"array") == 0) { |
704 | t->type = ARRAY; |
a67cd958 |
705 | sequence_init(&(t->fields)); |
be97b953 |
706 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
707 | if(t->size == 0) in->error(in, "Array has empty size"); |
708 | getForwardslash(in); |
3583026d |
709 | getRAnglebracket(in); //<array size=n> |
710 | |
2e415130 |
711 | //getLAnglebracket(in); //<subtype> |
a67cd958 |
712 | /* subfield */ |
713 | f = (field_t *)memAlloc(sizeof(field_t)); |
714 | sequence_push(&(t->fields),f); |
715 | parseFields(in, f, unnamed_types, named_types, 0); |
716 | |
717 | //getLAnglebracket(in); //<type struct> |
718 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
3583026d |
719 | |
720 | getLAnglebracket(in); //</array> |
721 | getForwardslash(in); |
722 | token = getName(in); |
723 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
724 | getRAnglebracket(in); //</array> |
725 | } |
726 | else if(strcmp(token,"sequence") == 0) { |
727 | t->type = SEQUENCE; |
a67cd958 |
728 | sequence_init(&(t->fields)); |
64a6ab10 |
729 | getTypeAttributes(in, t, unnamed_types, named_types); |
730 | getForwardslash(in); |
be97b953 |
731 | getRAnglebracket(in); //<sequence> |
3583026d |
732 | |
2e415130 |
733 | //getLAnglebracket(in); //<sequence size type> |
a67cd958 |
734 | /* subfield */ |
735 | f = (field_t *)memAlloc(sizeof(field_t)); |
736 | sequence_push(&(t->fields),f); |
737 | parseFields(in, f, unnamed_types, named_types, 0); |
738 | |
2e415130 |
739 | //getLAnglebracket(in); //<subtype> |
a67cd958 |
740 | /* subfield */ |
741 | f = (field_t *)memAlloc(sizeof(field_t)); |
742 | sequence_push(&(t->fields),f); |
743 | parseFields(in, f, unnamed_types, named_types, 0); |
3583026d |
744 | |
a67cd958 |
745 | //getLAnglebracket(in); //<type sequence> |
746 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
be97b953 |
747 | |
a67cd958 |
748 | //getLAnglebracket(in); //<type sequence> |
be97b953 |
749 | |
a67cd958 |
750 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
751 | |
752 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
753 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
754 | switch(((field_t*)t->fields.array[0])->type->type) { |
be97b953 |
755 | case UINT_FIXED : |
756 | case UCHAR : |
757 | case USHORT : |
758 | case UINT : |
759 | case ULONG : |
760 | case SIZE_T : |
761 | case OFF_T : |
762 | break; |
763 | default: |
764 | in->error(in, "Wrong length type for sequence"); |
765 | } |
766 | |
3583026d |
767 | getLAnglebracket(in); //</sequence> |
768 | getForwardslash(in); |
769 | token = getName(in); |
770 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
771 | getRAnglebracket(in); //</sequence> |
772 | } |
773 | else if(strcmp(token,"enum") == 0) { |
70f46ac3 |
774 | char * str; |
bb9014e6 |
775 | long long value = -1; |
70f46ac3 |
776 | |
3583026d |
777 | t->type = ENUM; |
778 | sequence_init(&(t->labels)); |
70f46ac3 |
779 | sequence_init(&(t->labels_values)); |
3583026d |
780 | sequence_init(&(t->labels_description)); |
781 | t->already_printed = 0; |
be97b953 |
782 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
783 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
bf6349fa |
784 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
2d2d14a7 |
785 | //fox copy optimisation. |
bf6349fa |
786 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
787 | t->size = 0; |
3583026d |
788 | getRAnglebracket(in); |
789 | |
790 | //<label name=label1 value=n/> |
791 | getLAnglebracket(in); |
792 | token = getToken(in); //"label" or "/" |
793 | while(strcmp("label",token) == 0){ |
70f46ac3 |
794 | int *label_value = malloc(sizeof(int)); |
bb9014e6 |
795 | int has_value = 0; |
796 | long long loc_value; |
70f46ac3 |
797 | |
9dae5ec2 |
798 | str = allocAndCopy(getNameAttribute(in)); |
bb9014e6 |
799 | has_value = getValueAttribute(in, &loc_value); |
70f46ac3 |
800 | |
801 | sequence_push(&(t->labels),str); |
802 | |
bb9014e6 |
803 | if(has_value) value = loc_value; |
70f46ac3 |
804 | else value++; |
805 | |
806 | *label_value = value; |
807 | sequence_push(&(t->labels_values), label_value); |
3583026d |
808 | |
809 | getForwardslash(in); |
810 | getRAnglebracket(in); |
811 | |
812 | //read description if any. May be NULL. |
813 | str = allocAndCopy(getDescription(in)); |
814 | sequence_push(&(t->labels_description),str); |
815 | |
816 | //next label definition |
817 | getLAnglebracket(in); |
818 | token = getToken(in); //"label" or "/" |
819 | } |
820 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
821 | token = getName(in); |
822 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
823 | getRAnglebracket(in); //</label> |
824 | } |
2d2d14a7 |
825 | else if(strcmp(token,"int_fixed") == 0) { |
826 | t->type = INT_FIXED; |
be97b953 |
827 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
828 | if(t->size == 0) in->error(in, "int has empty size"); |
829 | getForwardslash(in); |
830 | getRAnglebracket(in); |
831 | } |
832 | else if(strcmp(token,"uint_fixed") == 0) { |
833 | t->type = UINT_FIXED; |
be97b953 |
834 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d2d14a7 |
835 | if(t->size == 0) in->error(in, "uint has empty size"); |
836 | getForwardslash(in); |
837 | getRAnglebracket(in); |
838 | } |
839 | else if(strcmp(token,"char") == 0) { |
840 | t->type = CHAR; |
be97b953 |
841 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
842 | t->size = 1; |
2d2d14a7 |
843 | getForwardslash(in); |
844 | getRAnglebracket(in); |
845 | } |
846 | else if(strcmp(token,"uchar") == 0) { |
847 | t->type = UCHAR; |
be97b953 |
848 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
849 | t->size = 1; |
2d2d14a7 |
850 | getForwardslash(in); |
851 | getRAnglebracket(in); |
852 | } |
853 | else if(strcmp(token,"short") == 0) { |
854 | t->type = SHORT; |
be97b953 |
855 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
856 | t->size = 2; |
2d2d14a7 |
857 | getForwardslash(in); |
858 | getRAnglebracket(in); |
859 | } |
860 | else if(strcmp(token,"ushort") == 0) { |
861 | t->type = USHORT; |
be97b953 |
862 | getTypeAttributes(in, t, unnamed_types, named_types); |
294f0059 |
863 | t->size = 2; |
2d2d14a7 |
864 | getForwardslash(in); |
865 | getRAnglebracket(in); |
866 | } |
3583026d |
867 | else if(strcmp(token,"int") == 0) { |
868 | t->type = INT; |
be97b953 |
869 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
870 | getForwardslash(in); |
871 | getRAnglebracket(in); |
872 | } |
873 | else if(strcmp(token,"uint") == 0) { |
874 | t->type = UINT; |
be97b953 |
875 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
876 | getForwardslash(in); |
877 | getRAnglebracket(in); |
878 | } |
2d2d14a7 |
879 | |
3583026d |
880 | else if(strcmp(token,"pointer") == 0) { |
881 | t->type = POINTER; |
be97b953 |
882 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
883 | getForwardslash(in); |
884 | getRAnglebracket(in); |
885 | } |
886 | else if(strcmp(token,"long") == 0) { |
887 | t->type = LONG; |
be97b953 |
888 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
889 | getForwardslash(in); |
890 | getRAnglebracket(in); |
891 | } |
892 | else if(strcmp(token,"ulong") == 0) { |
893 | t->type = ULONG; |
be97b953 |
894 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
895 | getForwardslash(in); |
896 | getRAnglebracket(in); |
897 | } |
898 | else if(strcmp(token,"size_t") == 0) { |
899 | t->type = SIZE_T; |
be97b953 |
900 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
901 | getForwardslash(in); |
902 | getRAnglebracket(in); |
903 | } |
904 | else if(strcmp(token,"ssize_t") == 0) { |
905 | t->type = SSIZE_T; |
be97b953 |
906 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
907 | getForwardslash(in); |
908 | getRAnglebracket(in); |
909 | } |
910 | else if(strcmp(token,"off_t") == 0) { |
911 | t->type = OFF_T; |
be97b953 |
912 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
913 | getForwardslash(in); |
914 | getRAnglebracket(in); |
915 | } |
916 | else if(strcmp(token,"float") == 0) { |
917 | t->type = FLOAT; |
be97b953 |
918 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
919 | getForwardslash(in); |
920 | getRAnglebracket(in); |
921 | } |
922 | else if(strcmp(token,"string") == 0) { |
923 | t->type = STRING; |
be97b953 |
924 | getTypeAttributes(in, t, unnamed_types, named_types); |
3583026d |
925 | getForwardslash(in); |
926 | getRAnglebracket(in); |
927 | } |
928 | else if(strcmp(token,"typeref") == 0){ |
929 | // Must be a named type |
a67cd958 |
930 | free(t); |
931 | sequence_pop(unnamed_types); |
932 | token = getNameAttribute(in); |
933 | t = find_named_type(token, named_types); |
934 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
935 | getForwardslash(in); //<typeref name=type_name/> |
936 | getRAnglebracket(in); |
937 | return t; |
3583026d |
938 | }else in->error(in,"not a valid type"); |
939 | |
940 | return t; |
941 | } |
942 | |
943 | /***************************************************************************** |
944 | *Function name |
945 | * find_named_type : find a named type from hash table |
946 | *Input params |
947 | * name : type name |
948 | * named_types : array of named types |
949 | *Return values |
950 | * type_descriptor * : a type descriptor |
951 | *****************************************************************************/ |
952 | |
953 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
954 | { |
955 | type_descriptor_t *t; |
956 | |
957 | t = table_find(named_types,name); |
34c1d1b5 |
958 | |
3583026d |
959 | return t; |
34c1d1b5 |
960 | } |
961 | |
962 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
963 | { |
964 | type_descriptor_t *t; |
965 | |
966 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
967 | t->type_name = allocAndCopy(name); |
968 | t->type = NONE; |
969 | t->fmt = NULL; |
970 | table_insert(named_types,t->type_name,t); |
971 | // table_insert(named_types,allocAndCopy(name),t); |
972 | return t; |
973 | } |
3583026d |
974 | |
975 | /***************************************************************************** |
976 | *Function name |
977 | * parseTypeDefinition : get type information from type definition |
978 | *Input params |
979 | * in : input file handle |
980 | * unnamed_types : array of unamed types |
981 | * named_types : array of named types |
982 | *****************************************************************************/ |
983 | |
984 | void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types, |
985 | table_t * named_types) |
986 | { |
987 | char *token; |
988 | type_descriptor_t *t; |
989 | |
990 | token = getNameAttribute(in); |
991 | if(token == NULL) in->error(in, "Type has empty name"); |
34c1d1b5 |
992 | t = create_named_type(token, named_types); |
3583026d |
993 | |
994 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
995 | getRAnglebracket(in); //<type name=type_name> |
996 | getLAnglebracket(in); //< |
997 | token = getName(in); |
998 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
999 | ungetToken(in); |
1000 | parseType(in,t, unnamed_types, named_types); |
1001 | |
1002 | //</type> |
1003 | getLAnglebracket(in); |
1004 | getForwardslash(in); |
1005 | token = getName(in); |
1006 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
1007 | getRAnglebracket(in); //</type> |
1008 | } |
1009 | |
1010 | /************************************************************************** |
1011 | * Function : |
1012 | * getComa, getName, getNumber, getEqual |
1013 | * Description : |
1014 | * Read a token from the input file, check its type, return it scontent. |
1015 | * |
1016 | * Parameters : |
1017 | * in , input file handle. |
1018 | * |
1019 | * Return values : |
1020 | * address of token content. |
1021 | * |
1022 | **************************************************************************/ |
1023 | |
1024 | char *getName(parse_file_t * in) |
1025 | { |
1026 | char *token; |
1027 | |
1028 | token = getToken(in); |
9dae5ec2 |
1029 | // Optional descriptions |
1030 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
3583026d |
1031 | return token; |
1032 | } |
1033 | |
1034 | int getNumber(parse_file_t * in) |
1035 | { |
1036 | char *token; |
1037 | |
1038 | token = getToken(in); |
1039 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
1040 | return atoi(token); |
1041 | } |
1042 | |
1043 | char *getForwardslash(parse_file_t * in) |
1044 | { |
1045 | char *token; |
1046 | |
1047 | token = getToken(in); |
2d2d14a7 |
1048 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
1049 | /* Mathieu : final / is optional now. */ |
1050 | if(in->type != FORWARDSLASH) ungetToken(in); |
1051 | |
3583026d |
1052 | return token; |
1053 | } |
1054 | |
1055 | char *getLAnglebracket(parse_file_t * in) |
1056 | { |
1057 | char *token; |
1058 | |
1059 | token = getToken(in); |
1060 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1061 | return token; |
1062 | } |
1063 | |
1064 | char *getRAnglebracket(parse_file_t * in) |
1065 | { |
1066 | char *token; |
1067 | |
1068 | token = getToken(in); |
1069 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1070 | return token; |
1071 | } |
1072 | |
1073 | char *getQuotedString(parse_file_t * in) |
1074 | { |
1075 | char *token; |
1076 | |
1077 | token = getToken(in); |
1078 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1079 | return token; |
1080 | } |
1081 | |
1082 | char * getEqual(parse_file_t *in) |
1083 | { |
1084 | char *token; |
1085 | |
1086 | token = getToken(in); |
1087 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1088 | return token; |
1089 | } |
1090 | |
1091 | char seekNextChar(parse_file_t *in) |
1092 | { |
1093 | char car; |
1094 | while((car = getc(in->fp)) != EOF) { |
1095 | if(!isspace(car)){ |
1096 | ungetc(car,in->fp); |
1097 | return car; |
1098 | } |
1099 | } |
1100 | return EOF; |
1101 | } |
1102 | |
1103 | /****************************************************************** |
1104 | * Function : |
1105 | * getToken, ungetToken |
1106 | * Description : |
1107 | * Read a token from the input file and return its type and content. |
1108 | * Line numbers are accounted for and whitespace/comments are skipped. |
1109 | * |
1110 | * Parameters : |
1111 | * in, input file handle. |
1112 | * |
1113 | * Return values : |
1114 | * address of token content. |
1115 | * |
1116 | ******************************************************************/ |
1117 | |
1118 | void ungetToken(parse_file_t * in) |
1119 | { |
1120 | in->unget = 1; |
1121 | } |
1122 | |
1123 | char *getToken(parse_file_t * in) |
1124 | { |
1125 | FILE *fp = in->fp; |
1126 | char car, car1; |
1127 | int pos = 0, escaped; |
1128 | |
1129 | if(in->unget == 1) { |
1130 | in->unget = 0; |
1131 | return in->buffer; |
1132 | } |
1133 | |
1134 | /* skip whitespace and comments */ |
1135 | |
1136 | while((car = getc(fp)) != EOF) { |
1137 | if(car == '/') { |
1138 | car1 = getc(fp); |
1139 | if(car1 == '*') skipComment(in); |
1140 | else if(car1 == '/') skipEOL(in); |
1141 | else { |
1142 | car1 = ungetc(car1,fp); |
1143 | break; |
1144 | } |
1145 | } |
1146 | else if(car == '\n') in->lineno++; |
1147 | else if(!isspace(car)) break; |
1148 | } |
1149 | |
1150 | switch(car) { |
1151 | case EOF: |
1152 | in->type = ENDFILE; |
1153 | break; |
1154 | case '/': |
1155 | in->type = FORWARDSLASH; |
1156 | in->buffer[pos] = car; |
1157 | pos++; |
1158 | break; |
1159 | case '<': |
1160 | in->type = LANGLEBRACKET; |
1161 | in->buffer[pos] = car; |
1162 | pos++; |
1163 | break; |
1164 | case '>': |
1165 | in->type = RANGLEBRACKET; |
1166 | in->buffer[pos] = car; |
1167 | pos++; |
1168 | break; |
1169 | case '=': |
1170 | in->type = EQUAL; |
1171 | in->buffer[pos] = car; |
1172 | pos++; |
1173 | break; |
1174 | case '"': |
1175 | escaped = 0; |
1176 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1177 | if(car == '\\' && escaped == 0) { |
1178 | in->buffer[pos] = car; |
1179 | pos++; |
1180 | escaped = 1; |
1181 | continue; |
1182 | } |
1183 | if(car == '"' && escaped == 0) break; |
1184 | if(car == '\n' && escaped == 0) { |
1185 | in->error(in, "non escaped newline inside quoted string"); |
1186 | } |
1187 | if(car == '\n') in->lineno++; |
1188 | in->buffer[pos] = car; |
1189 | pos++; |
1190 | escaped = 0; |
1191 | } |
1192 | if(car == EOF) in->error(in,"no ending quotemark"); |
1193 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1194 | in->type = QUOTEDSTRING; |
1195 | break; |
1196 | default: |
1197 | if(isdigit(car)) { |
1198 | in->buffer[pos] = car; |
1199 | pos++; |
1200 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1201 | if(!isdigit(car)) { |
1202 | ungetc(car,fp); |
1203 | break; |
1204 | } |
1205 | in->buffer[pos] = car; |
1206 | pos++; |
1207 | } |
1208 | if(car == EOF) ungetc(car,fp); |
1209 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1210 | in->type = NUMBER; |
1211 | } |
9dae5ec2 |
1212 | else if(isalnum(car) || car == '_' || car == '-') { |
3583026d |
1213 | in->buffer[0] = car; |
1214 | pos = 1; |
1215 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
9dae5ec2 |
1216 | if(!(isalnum(car) || car == '_' || car == '-')) { |
3583026d |
1217 | ungetc(car,fp); |
1218 | break; |
1219 | } |
1220 | in->buffer[pos] = car; |
1221 | pos++; |
1222 | } |
1223 | if(car == EOF) ungetc(car,fp); |
1224 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1225 | in->type = NAME; |
1226 | } |
1227 | else in->error(in, "invalid character, unrecognized token"); |
1228 | } |
1229 | in->buffer[pos] = 0; |
1230 | return in->buffer; |
1231 | } |
1232 | |
1233 | void skipComment(parse_file_t * in) |
1234 | { |
1235 | char car; |
1236 | while((car = getc(in->fp)) != EOF) { |
1237 | if(car == '\n') in->lineno++; |
1238 | else if(car == '*') { |
1239 | car = getc(in->fp); |
1240 | if(car ==EOF) break; |
1241 | if(car == '/') return; |
1242 | ungetc(car,in->fp); |
1243 | } |
1244 | } |
1245 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1246 | } |
1247 | |
1248 | void skipEOL(parse_file_t * in) |
1249 | { |
1250 | char car; |
1251 | while((car = getc(in->fp)) != EOF) { |
1252 | if(car == '\n') { |
1253 | ungetc(car,in->fp); |
1254 | break; |
1255 | } |
1256 | } |
1257 | if(car == EOF)ungetc(car, in->fp); |
1258 | } |
1259 | |
1260 | /***************************************************************************** |
1261 | *Function name |
1262 | * checkNamedTypesImplemented : check if all named types have definition |
1263 | ****************************************************************************/ |
1264 | |
1265 | void checkNamedTypesImplemented(table_t * named_types) |
1266 | { |
1267 | type_descriptor_t *t; |
1268 | int pos; |
1269 | char str[256]; |
1270 | |
1271 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
1272 | t = (type_descriptor_t *) named_types->values.array[pos]; |
1273 | if(t->type == NONE){ |
1274 | sprintf(str,"named type '%s' has no definition", |
1275 | (char*)named_types->keys.array[pos]); |
1276 | error_callback(NULL,str); |
1277 | } |
1278 | } |
1279 | } |
1280 | |
1281 | |
1282 | /***************************************************************************** |
1283 | *Function name |
1284 | * generateChecksum : generate checksum for the facility |
1285 | *Input Params |
1286 | * facName : name of facility |
1287 | *Output Params |
1288 | * checksum : checksum for the facility |
1289 | ****************************************************************************/ |
1290 | |
1291 | void generateChecksum(char* facName, |
30d72138 |
1292 | unsigned int * checksum, sequence_t * events) |
3583026d |
1293 | { |
1294 | unsigned long crc ; |
1295 | int pos; |
1296 | event_t * ev; |
bf6349fa |
1297 | unsigned int i; |
3583026d |
1298 | |
1299 | crc = crc32(facName); |
1300 | for(pos = 0; pos < events->position; pos++){ |
1301 | ev = (event_t *)(events->array[pos]); |
47299663 |
1302 | crc = partial_crc32(ev->name, crc); |
bf6349fa |
1303 | for(i = 0; i < ev->fields.position; i++) { |
47299663 |
1304 | field_t *f = (field_t*)ev->fields.array[i]; |
1305 | crc = partial_crc32(f->name, crc); |
1306 | crc = getTypeChecksum(crc, f->type); |
1307 | } |
3583026d |
1308 | } |
1309 | *checksum = crc; |
1310 | } |
1311 | |
1312 | /***************************************************************************** |
1313 | *Function name |
1314 | * getTypeChecksum : generate checksum by type info |
1315 | *Input Params |
1316 | * crc : checksum generated so far |
1317 | * type : type descriptor containing type info |
1318 | *Return value |
1319 | * unsigned long : checksum |
1320 | *****************************************************************************/ |
1321 | |
1322 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
1323 | { |
1324 | unsigned long crc = aCrc; |
1325 | char * str = NULL, buf[16]; |
1326 | int flag = 0, pos; |
1327 | field_t * fld; |
1328 | |
1329 | switch(type->type){ |
2d2d14a7 |
1330 | case INT_FIXED: |
1331 | str = intOutputTypes[getSizeindex(type->size)]; |
3583026d |
1332 | break; |
2d2d14a7 |
1333 | case UINT_FIXED: |
1334 | str = uintOutputTypes[getSizeindex(type->size)]; |
3583026d |
1335 | break; |
1336 | case POINTER: |
1337 | str = allocAndCopy("void *"); |
1338 | flag = 1; |
1339 | break; |
2d2d14a7 |
1340 | case CHAR: |
1341 | str = allocAndCopy("signed char"); |
1342 | flag = 1; |
1343 | break; |
1344 | case UCHAR: |
1345 | str = allocAndCopy("unsigned char"); |
1346 | flag = 1; |
1347 | break; |
1348 | case SHORT: |
1349 | str = allocAndCopy("short"); |
1350 | flag = 1; |
1351 | break; |
1352 | case USHORT: |
1353 | str = allocAndCopy("unsigned short"); |
1354 | flag = 1; |
1355 | break; |
1356 | case INT: |
1357 | str = allocAndCopy("int"); |
1358 | flag = 1; |
1359 | break; |
1360 | case UINT: |
1361 | str = allocAndCopy("uint"); |
1362 | flag = 1; |
1363 | break; |
3583026d |
1364 | case LONG: |
1365 | str = allocAndCopy("long"); |
1366 | flag = 1; |
1367 | break; |
1368 | case ULONG: |
1369 | str = allocAndCopy("unsigned long"); |
1370 | flag = 1; |
1371 | break; |
1372 | case SIZE_T: |
1373 | str = allocAndCopy("size_t"); |
1374 | flag = 1; |
1375 | break; |
1376 | case SSIZE_T: |
1377 | str = allocAndCopy("ssize_t"); |
1378 | flag = 1; |
1379 | break; |
1380 | case OFF_T: |
1381 | str = allocAndCopy("off_t"); |
1382 | flag = 1; |
1383 | break; |
1384 | case FLOAT: |
2d2d14a7 |
1385 | str = floatOutputTypes[getSizeindex(type->size)]; |
3583026d |
1386 | break; |
1387 | case STRING: |
1388 | str = allocAndCopy("string"); |
1389 | flag = 1; |
1390 | break; |
1391 | case ENUM: |
2d2d14a7 |
1392 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1393 | str = allocAndCopy("enum"); |
3583026d |
1394 | flag = 1; |
1395 | break; |
1396 | case ARRAY: |
2e415130 |
1397 | sprintf(buf,"%zu", type->size); |
3583026d |
1398 | str = appendString("array ",buf); |
1399 | flag = 1; |
1400 | break; |
1401 | case SEQUENCE: |
294f0059 |
1402 | str = allocAndCopy("sequence "); |
3583026d |
1403 | flag = 1; |
1404 | break; |
1405 | case STRUCT: |
1406 | str = allocAndCopy("struct"); |
1407 | flag = 1; |
1408 | break; |
1409 | case UNION: |
1410 | str = allocAndCopy("union"); |
1411 | flag = 1; |
1412 | break; |
1413 | default: |
1414 | error_callback(NULL, "named type has no definition"); |
1415 | break; |
1416 | } |
1417 | |
1418 | crc = partial_crc32(str,crc); |
1419 | if(flag) free(str); |
1420 | |
1421 | if(type->fmt) crc = partial_crc32(type->fmt,crc); |
1422 | |
2e415130 |
1423 | if(type->type == ARRAY){ |
1424 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1425 | } else if(type->type ==SEQUENCE) { |
1426 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1427 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
1428 | } else if(type->type == STRUCT || type->type == UNION){ |
3583026d |
1429 | for(pos =0; pos < type->fields.position; pos++){ |
1430 | fld = (field_t *) type->fields.array[pos]; |
1431 | crc = partial_crc32(fld->name,crc); |
1432 | crc = getTypeChecksum(crc, fld->type); |
1433 | } |
1434 | }else if(type->type == ENUM){ |
1435 | for(pos = 0; pos < type->labels.position; pos++) |
1436 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1437 | } |
1438 | |
1439 | return crc; |
1440 | } |
1441 | |
1442 | |
1443 | /* Event type descriptors */ |
1444 | void freeType(type_descriptor_t * tp) |
1445 | { |
1446 | int pos2; |
1447 | field_t *f; |
1448 | |
1449 | if(tp->fmt != NULL) free(tp->fmt); |
1450 | if(tp->type == ENUM) { |
1451 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1452 | free(tp->labels.array[pos2]); |
1453 | } |
1454 | sequence_dispose(&(tp->labels)); |
70f46ac3 |
1455 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1456 | free(tp->labels_values.array[pos2]); |
1457 | } |
1458 | sequence_dispose(&(tp->labels_values)); |
3583026d |
1459 | } |
1460 | if(tp->type == STRUCT) { |
1461 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
1462 | f = (field_t *) tp->fields.array[pos2]; |
1463 | free(f->name); |
1464 | free(f->description); |
1465 | free(f); |
1466 | } |
1467 | sequence_dispose(&(tp->fields)); |
1468 | } |
1469 | } |
1470 | |
1471 | void freeNamedType(table_t * t) |
1472 | { |
1473 | int pos; |
1474 | type_descriptor_t * td; |
1475 | |
1476 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1477 | free((char *)t->keys.array[pos]); |
1478 | td = (type_descriptor_t*)t->values.array[pos]; |
1479 | freeType(td); |
1480 | free(td); |
1481 | } |
1482 | } |
1483 | |
1484 | void freeTypes(sequence_t *t) |
1485 | { |
1486 | int pos; |
1487 | type_descriptor_t *tp; |
1488 | |
1489 | for(pos = 0 ; pos < t->position; pos++) { |
1490 | tp = (type_descriptor_t *)t->array[pos]; |
1491 | freeType(tp); |
1492 | free(tp); |
1493 | } |
1494 | } |
1495 | |
1496 | void freeEvents(sequence_t *t) |
1497 | { |
1498 | int pos; |
1499 | event_t *ev; |
1500 | |
1501 | for(pos = 0 ; pos < t->position; pos++) { |
1502 | ev = (event_t *) t->array[pos]; |
1503 | free(ev->name); |
1504 | free(ev->description); |
47299663 |
1505 | sequence_dispose(&ev->fields); |
3583026d |
1506 | free(ev); |
1507 | } |
1508 | |
1509 | } |
1510 | |
1511 | |
1512 | /* Extensible array */ |
1513 | |
1514 | void sequence_init(sequence_t *t) |
1515 | { |
1516 | t->size = 10; |
1517 | t->position = 0; |
1518 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1519 | } |
1520 | |
1521 | void sequence_dispose(sequence_t *t) |
1522 | { |
1523 | t->size = 0; |
1524 | free(t->array); |
1525 | t->array = NULL; |
1526 | } |
1527 | |
1528 | void sequence_push(sequence_t *t, void *elem) |
1529 | { |
1530 | void **tmp; |
1531 | |
1532 | if(t->position >= t->size) { |
1533 | tmp = t->array; |
1534 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1535 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1536 | t->size = t->size * 2; |
1537 | free(tmp); |
1538 | } |
1539 | t->array[t->position] = elem; |
1540 | t->position++; |
1541 | } |
1542 | |
1543 | void *sequence_pop(sequence_t *t) |
1544 | { |
b0f04dc3 |
1545 | if(t->position == 0) printf("Error : trying to pop an empty sequence"); |
1546 | return t->array[--t->position]; |
3583026d |
1547 | } |
1548 | |
1549 | |
1550 | /* Hash table API, implementation is just linear search for now */ |
1551 | |
1552 | void table_init(table_t *t) |
1553 | { |
1554 | sequence_init(&(t->keys)); |
1555 | sequence_init(&(t->values)); |
1556 | } |
1557 | |
1558 | void table_dispose(table_t *t) |
1559 | { |
1560 | sequence_dispose(&(t->keys)); |
1561 | sequence_dispose(&(t->values)); |
1562 | } |
1563 | |
1564 | void table_insert(table_t *t, char *key, void *value) |
1565 | { |
1566 | sequence_push(&(t->keys),key); |
1567 | sequence_push(&(t->values),value); |
1568 | } |
1569 | |
1570 | void *table_find(table_t *t, char *key) |
1571 | { |
1572 | int pos; |
1573 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1574 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1575 | return(t->values.array[pos]); |
1576 | } |
1577 | return NULL; |
1578 | } |
1579 | |
1580 | void table_insert_int(table_t *t, int *key, void *value) |
1581 | { |
1582 | sequence_push(&(t->keys),key); |
1583 | sequence_push(&(t->values),value); |
1584 | } |
1585 | |
1586 | void *table_find_int(table_t *t, int *key) |
1587 | { |
1588 | int pos; |
1589 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1590 | if(*key == *(int *)t->keys.array[pos]) |
1591 | return(t->values.array[pos]); |
1592 | } |
1593 | return NULL; |
1594 | } |
1595 | |
1596 | |
1597 | /* Concatenate strings */ |
1598 | |
1599 | char *appendString(char *s, char *suffix) |
1600 | { |
1601 | char *tmp; |
1602 | if(suffix == NULL) return s; |
1603 | |
1604 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1605 | strcpy(tmp,s); |
1606 | strcat(tmp,suffix); |
1607 | return tmp; |
1608 | } |