e8548639 |
1 | |
2 | |
3 | |
90395b4b |
4 | /* |
0dee0e75 |
5 | |
6 | parser.c: Generate helper declarations and functions to trace events |
7 | from an event description file. |
8 | |
2d1580e7 |
9 | Copyright (C) 2005, Mathieu Desnoyers |
0dee0e75 |
10 | Copyright (C) 2002, Xianxiu Yang |
2d1580e7 |
11 | Copyright (C) 2002, Michel Dagenais |
0dee0e75 |
12 | This program is free software; you can redistribute it and/or modify |
13 | it under the terms of the GNU General Public License as published by |
14 | the Free Software Foundation; version 2 of the License. |
15 | |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
19 | GNU General Public License for more details. |
20 | |
21 | You should have received a copy of the GNU General Public License |
22 | along with this program; if not, write to the Free Software |
23 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
24 | */ |
90395b4b |
25 | |
2d1580e7 |
26 | /* This program reads the ".xml" event definitions input files |
90395b4b |
27 | and constructs structure for each event. |
2d1580e7 |
28 | |
90395b4b |
29 | The program uses a very simple tokenizer, called from a hand written |
30 | recursive descent parser to fill a data structure describing the events. |
31 | The result is a sequence of events definitions which refer to type |
32 | definitions. |
33 | |
34 | A table of named types is maintained to allow refering to types by name |
35 | when the same type is used at several places. Finally a sequence of |
2d1580e7 |
36 | all types is maintained to facilitate the freeing of all type |
90395b4b |
37 | information when the processing of an ".xml" file is finished. */ |
38 | |
2d1580e7 |
39 | #include <stdlib.h> |
90395b4b |
40 | #include <string.h> |
41 | #include <stdio.h> |
42 | #include <stdarg.h> |
2d1580e7 |
43 | #include <linux/errno.h> |
90395b4b |
44 | #include <assert.h> |
a0c1f622 |
45 | #include <ctype.h> |
90395b4b |
46 | |
47 | #include "parser.h" |
48 | |
49 | |
f104d082 |
50 | char *intOutputTypes[] = { |
51 | "int8_t", "int16_t", "int32_t", "int64_t" }; |
a0c1f622 |
52 | |
f104d082 |
53 | char *uintOutputTypes[] = { |
54 | "uint8_t", "uint16_t", "uint32_t", "uint64_t" }; |
a0c1f622 |
55 | |
f104d082 |
56 | char *floatOutputTypes[] = { |
57 | "undef", "undef", "float", "double" }; |
a0c1f622 |
58 | |
59 | |
60 | |
61 | |
90395b4b |
62 | /* helper function */ |
63 | void strupper(char *string) |
64 | { |
65 | char *ptr = string; |
2d1580e7 |
66 | |
90395b4b |
67 | while(*ptr != '\0') { |
68 | *ptr = toupper(*ptr); |
2d1580e7 |
69 | ptr++; |
90395b4b |
70 | } |
71 | } |
72 | |
73 | |
f104d082 |
74 | int getSizeindex(unsigned int value) |
2d1580e7 |
75 | { |
90395b4b |
76 | switch(value) { |
77 | case 1: |
78 | return 0; |
79 | case 2: |
80 | return 1; |
81 | case 4: |
82 | return 2; |
83 | case 8: |
84 | return 3; |
85 | default: |
86 | printf("Error : unknown value size %d\n", value); |
87 | exit(-1); |
88 | } |
89 | } |
90 | |
91 | /***************************************************************************** |
92 | *Function name |
93 | * getSize : translate from string to integer |
2d1580e7 |
94 | *Input params |
90395b4b |
95 | * in : input file handle |
2d1580e7 |
96 | *Return values |
97 | * size |
90395b4b |
98 | *****************************************************************************/ |
99 | |
f104d082 |
100 | unsigned long long int getSize(parse_file_t *in) |
90395b4b |
101 | { |
01e5c8ac |
102 | char *token, *token2; |
83e160f2 |
103 | unsigned long long int ret; |
90395b4b |
104 | |
105 | token = getToken(in); |
01e5c8ac |
106 | |
107 | |
108 | if(in->type == QUOTEDSTRING) { |
109 | in->type = NUMBER; |
110 | token2 = token; |
111 | do { |
2d1580e7 |
112 | if (!isdigit(*token2)) { |
113 | in->type = QUOTEDSTRING; |
114 | break; |
115 | } |
01e5c8ac |
116 | } while (*(++token2) != '\0'); |
117 | } |
118 | |
90395b4b |
119 | if(in->type == NUMBER) { |
2d1580e7 |
120 | ret = strtoull(token, NULL, 0); |
9f2d599d |
121 | } else { |
2d1580e7 |
122 | goto error; |
123 | } |
124 | |
125 | return ret; |
9f2d599d |
126 | error: |
90395b4b |
127 | in->error(in,"incorrect size specification"); |
128 | return -1; |
129 | } |
130 | |
131 | /***************************************************************************** |
132 | *Function name |
133 | * error_callback : print out error info |
134 | *Input params |
135 | * in : input file handle |
2d1580e7 |
136 | * msg : message to be printed |
90395b4b |
137 | ****************************************************************************/ |
138 | |
90699b2b |
139 | void error_callback(parse_file_t *in, char *msg) |
90395b4b |
140 | { |
141 | if(in) |
142 | printf("Error in file %s, line %d: %s\n", in->name, in->lineno, msg); |
143 | else |
144 | printf("%s\n",msg); |
145 | assert(0); |
146 | exit(1); |
147 | } |
148 | |
149 | /***************************************************************************** |
150 | *Function name |
2d1580e7 |
151 | * memAlloc : allocate memory |
152 | *Input params |
153 | * size : required memory size |
154 | *return value |
155 | * void * : pointer to allocate memory or NULL |
90395b4b |
156 | ****************************************************************************/ |
157 | |
158 | void * memAlloc(int size) |
159 | { |
160 | void * addr; |
161 | if(size == 0) return NULL; |
162 | addr = malloc(size); |
163 | if(!addr){ |
2d1580e7 |
164 | printf("Failed to allocate memory"); |
90395b4b |
165 | exit(1); |
166 | } |
2d1580e7 |
167 | return addr; |
90395b4b |
168 | } |
169 | |
170 | /***************************************************************************** |
171 | *Function name |
2d1580e7 |
172 | * allocAndCopy : allocate memory and initialize it |
173 | *Input params |
174 | * str : string to be put in memory |
175 | *return value |
90395b4b |
176 | * char * : pointer to allocate memory or NULL |
177 | ****************************************************************************/ |
178 | |
179 | char *allocAndCopy(char *str) |
180 | { |
181 | char * addr; |
182 | if(str == NULL) return NULL; |
183 | addr = (char *)memAlloc(strlen(str)+1); |
184 | strcpy(addr,str); |
185 | return addr; |
186 | } |
187 | |
188 | /************************************************************************** |
189 | * Function : |
190 | * getTypeAttributes |
191 | * Description : |
192 | * Read the attribute from the input file. |
193 | * |
194 | * Parameters : |
195 | * in , input file handle. |
196 | * t , the type descriptor to fill. |
197 | * |
198 | **************************************************************************/ |
199 | |
f104d082 |
200 | void getTypeAttributes(parse_file_t *in, type_descriptor_t *t, |
2d1580e7 |
201 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
202 | { |
203 | char * token; |
83e160f2 |
204 | int car; |
90395b4b |
205 | |
206 | t->fmt = NULL; |
f104d082 |
207 | t->size = 0; |
7df766d3 |
208 | t->custom_write = 0; |
dd3a6d39 |
209 | t->network = 0; |
2d1580e7 |
210 | |
90395b4b |
211 | while(1) { |
2d1580e7 |
212 | token = getToken(in); |
90395b4b |
213 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
214 | ungetToken(in); |
215 | break; |
216 | } |
2d1580e7 |
217 | |
90395b4b |
218 | if(!strcmp("format",token)) { |
219 | getEqual(in); |
220 | t->fmt = allocAndCopy(getQuotedString(in)); |
e8548639 |
221 | // printf("%s - ",t->fmt); |
90395b4b |
222 | //} else if(!strcmp("name",token)) { |
223 | // getEqual(in); |
224 | // car = seekNextChar(in); |
225 | // if(car == EOF) in->error(in,"name was expected"); |
226 | // else if(car == '\"') t->type_name = allocAndCopy(getQuotedString(in)); |
227 | // else t->type_name = allocAndCopy(getName(in)); |
228 | } else if(!strcmp("size",token)) { |
229 | getEqual(in); |
230 | t->size = getSize(in); |
7df766d3 |
231 | } else if(!strcmp("custom_write", token)) { |
232 | t->custom_write = 1; |
dd3a6d39 |
233 | } else if(!strcmp("byte_order",token)) { |
2d1580e7 |
234 | getEqual(in); |
235 | car = seekNextChar(in); |
236 | if(car == EOF) in->error(in,"byte order was expected (network?)"); |
237 | else if(car == '\"') token = getQuotedString(in); |
238 | else token = getName(in); |
239 | if(!strcmp("network", token)) { |
240 | t->network = 1; |
241 | } |
dd3a6d39 |
242 | } else if(!strcmp("write",token)) { |
2d1580e7 |
243 | getEqual(in); |
244 | car = seekNextChar(in); |
245 | if(car == EOF) in->error(in,"write type was expected (custom?)"); |
246 | else if(car == '\"') token = getQuotedString(in); |
247 | else token = getName(in); |
248 | if(!strcmp("custom", token)) { |
249 | t->custom_write = 1; |
250 | } |
dd3a6d39 |
251 | } |
252 | } |
90395b4b |
253 | } |
254 | |
255 | /************************************************************************** |
256 | * Function : |
257 | * getEventAttributes |
258 | * Description : |
259 | * Read the attribute from the input file. |
260 | * |
261 | * Parameters : |
262 | * in , input file handle. |
263 | * ev , the event to fill. |
264 | * |
265 | **************************************************************************/ |
266 | |
90699b2b |
267 | void getEventAttributes(parse_file_t *in, event_t *ev) |
90395b4b |
268 | { |
269 | char * token; |
83e160f2 |
270 | int car; |
2d1580e7 |
271 | |
90395b4b |
272 | ev->name = NULL; |
273 | ev->per_trace = 0; |
274 | ev->per_tracefile = 0; |
f5c61f8d |
275 | ev->param_buffer = 0; |
f0aad545 |
276 | ev->no_instrument_function = 0; |
277 | ev->high_priority = 0; |
dd3a6d39 |
278 | ev->force = 0; |
279 | ev->compact_data = 0; |
90395b4b |
280 | |
281 | while(1) { |
2d1580e7 |
282 | token = getToken(in); |
90395b4b |
283 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
284 | ungetToken(in); |
285 | break; |
286 | } |
287 | |
288 | if(!strcmp("name",token)) { |
289 | getEqual(in); |
290 | car = seekNextChar(in); |
291 | if(car == EOF) in->error(in,"name was expected"); |
292 | else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in)); |
293 | else ev->name = allocAndCopy(getName(in)); |
01e5c8ac |
294 | } else if(!strcmp("scope", token)) { |
f0aad545 |
295 | getEqual(in); |
296 | car = seekNextChar(in); |
297 | if(car == EOF) in->error(in,"scope was expected"); |
01e5c8ac |
298 | else if(car == '\"') token = getQuotedString(in); |
299 | else token = getName(in); |
f0aad545 |
300 | if(!strcmp(token, "trace")) ev->per_trace = 1; |
301 | else if(!strcmp(token, "tracefile")) ev->per_tracefile = 1; |
302 | } else if(!strcmp("param", token)) { |
303 | getEqual(in); |
304 | car = seekNextChar(in); |
305 | if(car == EOF) in->error(in,"parameter type was expected"); |
01e5c8ac |
306 | else if(car == '\"') token = getQuotedString(in); |
307 | else token = getName(in); |
f0aad545 |
308 | if(!strcmp(token, "buffer")) ev->param_buffer = 1; |
309 | } else if(!strcmp("attribute", token)) { |
310 | getEqual(in); |
311 | car = seekNextChar(in); |
312 | if(car == EOF) in->error(in,"attribute was expected"); |
01e5c8ac |
313 | else if(car == '\"') token = getQuotedString(in); |
314 | else token = getName(in); |
f0aad545 |
315 | if(!strcmp(token, "no_instrument_function")) |
316 | ev->no_instrument_function = 1; |
317 | else if(!strcmp(token, "high_priority")) |
318 | ev->high_priority = 1; |
dd3a6d39 |
319 | else if(!strcmp(token, "force")) |
320 | ev->force = 1; |
321 | else if(!strcmp(token, "compact_data")) |
322 | ev->compact_data = 1; |
01e5c8ac |
323 | } |
90395b4b |
324 | } |
325 | } |
326 | |
327 | /************************************************************************** |
328 | * Function : |
329 | * getFacilityAttributes |
330 | * Description : |
331 | * Read the attribute from the input file. |
332 | * |
333 | * Parameters : |
334 | * in , input file handle. |
335 | * fac , the facility to fill. |
336 | * |
337 | **************************************************************************/ |
338 | |
90699b2b |
339 | void getFacilityAttributes(parse_file_t *in, facility_t *fac) |
90395b4b |
340 | { |
341 | char * token; |
83e160f2 |
342 | int car; |
2d1580e7 |
343 | |
90395b4b |
344 | fac->name = NULL; |
f5d7967f |
345 | fac->arch = NULL; |
dd3a6d39 |
346 | fac->align = 1; |
347 | fac->user = 0; |
90395b4b |
348 | |
349 | while(1) { |
2d1580e7 |
350 | token = getToken(in); |
90395b4b |
351 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
352 | ungetToken(in); |
353 | break; |
354 | } |
355 | |
356 | if(!strcmp("name",token)) { |
357 | getEqual(in); |
358 | car = seekNextChar(in); |
359 | if(car == EOF) in->error(in,"name was expected"); |
360 | else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in)); |
361 | else fac->name = allocAndCopy(getName(in)); |
2d1580e7 |
362 | if(!strncmp(fac->name, "user_", sizeof("user_")-1)) |
363 | fac->user = 1; |
f5d7967f |
364 | } else if(!strcmp("arch", token)) { |
365 | getEqual(in); |
366 | car = seekNextChar(in); |
01e5c8ac |
367 | if(car == '\"') fac->arch = allocAndCopy(getQuotedString(in)); |
dd3a6d39 |
368 | else fac->arch = allocAndCopy(getName(in)); |
369 | } else if(!strcmp("align", token)) { |
370 | getEqual(in); |
371 | fac->align = getSize(in); |
372 | } |
373 | |
90395b4b |
374 | } |
375 | } |
376 | |
377 | /************************************************************************** |
378 | * Function : |
379 | * getFieldAttributes |
380 | * Description : |
381 | * Read the attribute from the input file. |
382 | * |
383 | * Parameters : |
384 | * in , input file handle. |
385 | * f , the field to fill. |
386 | * |
387 | **************************************************************************/ |
388 | |
90699b2b |
389 | void getFieldAttributes(parse_file_t *in, field_t *f) |
90395b4b |
390 | { |
391 | char * token; |
83e160f2 |
392 | int car; |
90395b4b |
393 | |
394 | f->name = NULL; |
395 | |
396 | while(1) { |
2d1580e7 |
397 | token = getToken(in); |
90395b4b |
398 | if(strcmp("/",token) == 0 || strcmp(">",token) == 0){ |
399 | ungetToken(in); |
400 | break; |
401 | } |
402 | |
403 | if(!strcmp("name",token)) { |
404 | getEqual(in); |
405 | car = seekNextChar(in); |
406 | if(car == EOF) in->error(in,"name was expected"); |
407 | else if(car == '\"') f->name = allocAndCopy(getQuotedString(in)); |
408 | else f->name = allocAndCopy(getName(in)); |
409 | } |
2d1580e7 |
410 | } |
90395b4b |
411 | } |
412 | |
90699b2b |
413 | char *getNameAttribute(parse_file_t *in) |
90395b4b |
414 | { |
415 | char * token; |
416 | char *name = NULL; |
83e160f2 |
417 | int car; |
2d1580e7 |
418 | |
90395b4b |
419 | while(1) { |
2d1580e7 |
420 | token = getToken(in); |
90395b4b |
421 | if(!strcmp("name",token)) { |
422 | getEqual(in); |
423 | car = seekNextChar(in); |
424 | if(car == EOF) in->error(in,"name was expected"); |
425 | else if(car == '\"') name = allocAndCopy(getQuotedString(in)); |
426 | else name = allocAndCopy(getName(in)); |
0dee0e75 |
427 | } else { |
428 | ungetToken(in); |
429 | break; |
90395b4b |
430 | } |
0dee0e75 |
431 | |
90395b4b |
432 | } |
433 | if(name == NULL) in->error(in, "Name was expected"); |
434 | return name; |
90395b4b |
435 | } |
436 | |
437 | |
438 | |
01e5c8ac |
439 | //for <label name=label_name value=n format="...">, value is an option |
9f2d599d |
440 | //Return value : 0 : no value, 1 : has a value |
441 | int getValueAttribute(parse_file_t *in, long long *value) |
90395b4b |
442 | { |
b868b8b8 |
443 | char * token, * endptr; |
90395b4b |
444 | |
01e5c8ac |
445 | token = getToken(in); |
2d1580e7 |
446 | |
01e5c8ac |
447 | if(strcmp("/",token) == 0 || strcmp(">", token) == 0){ |
90395b4b |
448 | ungetToken(in); |
9f2d599d |
449 | return 0; |
90395b4b |
450 | } |
90395b4b |
451 | if(strcmp("value",token))in->error(in,"value was expected"); |
2d1580e7 |
452 | |
90395b4b |
453 | getEqual(in); |
454 | token = getToken(in); |
9f2d599d |
455 | |
b868b8b8 |
456 | *value = strtoll(token, &endptr, 0); |
457 | if(*endptr != '\0') |
2d1580e7 |
458 | goto error; |
9f2d599d |
459 | return 1; |
9f2d599d |
460 | error: |
b868b8b8 |
461 | in->error(in,"invalid number specified"); |
9f2d599d |
462 | return 0; |
90395b4b |
463 | } |
464 | |
90699b2b |
465 | char * getDescription(parse_file_t *in) |
90395b4b |
466 | { |
467 | long int pos; |
83e160f2 |
468 | char * token, *str; |
469 | int car; |
90395b4b |
470 | |
471 | pos = ftell(in->fp); |
472 | |
473 | getLAnglebracket(in); |
474 | token = getName(in); |
475 | if(strcmp("description",token)){ |
476 | fseek(in->fp, pos, SEEK_SET); |
477 | return NULL; |
478 | } |
2d1580e7 |
479 | |
90395b4b |
480 | getRAnglebracket(in); |
481 | |
482 | pos = 0; |
483 | while((car = getc(in->fp)) != EOF) { |
484 | if(car == '<') break; |
485 | if(car == '\0') continue; |
486 | in->buffer[pos] = car; |
487 | pos++; |
488 | } |
489 | if(car == EOF)in->error(in,"not a valid description"); |
490 | in->buffer[pos] = '\0'; |
491 | |
492 | str = allocAndCopy(in->buffer); |
493 | |
494 | getForwardslash(in); |
495 | token = getName(in); |
496 | if(strcmp("description", token))in->error(in,"not a valid description"); |
497 | getRAnglebracket(in); |
498 | |
499 | return str; |
500 | } |
501 | |
502 | /***************************************************************************** |
503 | *Function name |
2d1580e7 |
504 | * parseFacility : generate event list |
505 | *Input params |
506 | * in : input file handle |
90395b4b |
507 | * fac : empty facility |
508 | *Output params |
509 | * fac : facility filled with event list |
510 | ****************************************************************************/ |
511 | |
90699b2b |
512 | void parseFacility(parse_file_t *in, facility_t * fac) |
90395b4b |
513 | { |
514 | char * token; |
90699b2b |
515 | event_t *ev; |
2d1580e7 |
516 | |
90395b4b |
517 | getFacilityAttributes(in, fac); |
518 | if(fac->name == NULL) in->error(in, "Attribute not named"); |
2d1580e7 |
519 | |
90395b4b |
520 | fac->capname = allocAndCopy(fac->name); |
2d1580e7 |
521 | strupper(fac->capname); |
522 | getRAnglebracket(in); |
523 | |
90395b4b |
524 | fac->description = getDescription(in); |
2d1580e7 |
525 | |
90395b4b |
526 | while(1){ |
2d1580e7 |
527 | getLAnglebracket(in); |
90395b4b |
528 | |
529 | token = getToken(in); |
530 | if(in->type == ENDFILE) |
531 | in->error(in,"the definition of the facility is not finished"); |
532 | |
533 | if(strcmp("event",token) == 0){ |
90699b2b |
534 | ev = (event_t*) memAlloc(sizeof(event_t)); |
90395b4b |
535 | sequence_push(&(fac->events),ev); |
2d1580e7 |
536 | parseEvent(fac, in, ev, &(fac->unnamed_types), &(fac->named_types)); |
90395b4b |
537 | }else if(strcmp("type",token) == 0){ |
dd3a6d39 |
538 | parseTypeDefinition(fac, in, &(fac->unnamed_types), &(fac->named_types)); |
90395b4b |
539 | }else if(in->type == FORWARDSLASH){ |
540 | break; |
541 | }else in->error(in,"event or type token expected\n"); |
542 | } |
543 | |
544 | token = getName(in); |
545 | if(strcmp("facility",token)) in->error(in,"not the end of the facility"); |
546 | getRAnglebracket(in); //</facility> |
547 | } |
548 | |
549 | /***************************************************************************** |
550 | *Function name |
2d1580e7 |
551 | * parseEvent : generate event from event definition |
dd3a6d39 |
552 | *Input params |
553 | * fac : facility holding the event |
2d1580e7 |
554 | * in : input file handle |
555 | * ev : new event |
90395b4b |
556 | * unnamed_types : array of unamed types |
557 | * named_types : array of named types |
2d1580e7 |
558 | *Output params |
559 | * ev : new event (parameters are passed to it) |
90395b4b |
560 | ****************************************************************************/ |
561 | |
2d1580e7 |
562 | void parseEvent(facility_t *fac, parse_file_t *in, event_t * ev, sequence_t * unnamed_types, |
563 | table_t * named_types) |
90395b4b |
564 | { |
565 | char *token; |
2d1580e7 |
566 | field_t *f; |
90395b4b |
567 | |
dd3a6d39 |
568 | ev->fac = fac; |
2d1580e7 |
569 | sequence_init(&(ev->fields)); |
90395b4b |
570 | //<event name=eventtype_name> |
571 | getEventAttributes(in, ev); |
572 | if(ev->name == NULL) in->error(in, "Event not named"); |
2d1580e7 |
573 | getRAnglebracket(in); |
90395b4b |
574 | |
f104d082 |
575 | //<description>...</description> |
2d1580e7 |
576 | ev->description = getDescription(in); |
577 | |
578 | int got_end = 0; |
579 | /* Events can have multiple fields. each field form at least a function |
580 | * parameter of the logging function. */ |
581 | while(!got_end) { |
582 | getLAnglebracket(in); |
583 | token = getToken(in); |
584 | |
585 | switch(in->type) { |
586 | case FORWARDSLASH: /* </event> */ |
587 | token = getName(in); |
588 | if(strcmp("event",token))in->error(in,"not an event definition"); |
589 | getRAnglebracket(in); //</event> |
590 | got_end = 1; |
591 | break; |
592 | case NAME: /* a field */ |
593 | if(strcmp("field",token))in->error(in,"expecting a field"); |
594 | f = (field_t *)memAlloc(sizeof(field_t)); |
595 | sequence_push(&(ev->fields),f); |
596 | parseFields(fac, in, f, unnamed_types, named_types, 1); |
597 | break; |
598 | default: |
599 | in->error(in, "expecting </event> or <field >"); |
600 | break; |
601 | } |
602 | } |
f104d082 |
603 | #if 0 |
2d1580e7 |
604 | if(in->type == FORWARDSLASH){ //</event> NOTHING |
605 | ev->type = NULL; |
606 | }else if(in->type == NAME){ |
607 | if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){ |
608 | ungetToken(in); |
609 | ev->type = parseType(in,NULL, unnamed_types, named_types); |
610 | if(ev->type->type != STRUCT && ev->type->type != NONE) |
611 | in->error(in,"type must be a struct"); |
612 | }else in->error(in, "not a valid type"); |
613 | |
614 | getLAnglebracket(in); |
615 | getForwardslash(in); |
616 | }else in->error(in,"not a struct type"); |
617 | getLAnglebracket(in); |
618 | getForwardslash(in); |
619 | token = getName(in); |
620 | if(strcmp("event",token))in->error(in,"not an event definition"); |
621 | getRAnglebracket(in); //</event> |
f104d082 |
622 | #endif //0 |
90395b4b |
623 | } |
624 | |
625 | /***************************************************************************** |
626 | *Function name |
2d1580e7 |
627 | * parseField : get field infomation from buffer |
628 | *Input params |
dd3a6d39 |
629 | * fac : facility holding the field |
90395b4b |
630 | * in : input file handle |
f104d082 |
631 | * f : field |
90395b4b |
632 | * unnamed_types : array of unamed types |
633 | * named_types : array of named types |
2d1580e7 |
634 | * tag : is field surrounded by a <field> </field> tag ? |
90395b4b |
635 | ****************************************************************************/ |
636 | |
dd3a6d39 |
637 | void parseFields(facility_t *fac, parse_file_t *in, field_t *f, |
90699b2b |
638 | sequence_t * unnamed_types, |
2d1580e7 |
639 | table_t * named_types, |
640 | int tag) |
90395b4b |
641 | { |
642 | char * token; |
dd3a6d39 |
643 | f->fac = fac; |
2d1580e7 |
644 | if(tag) { |
645 | //<field name=field_name> <description> <type> </field> |
646 | getFieldAttributes(in, f); |
647 | if(f->name == NULL) in->error(in, "Field not named"); |
648 | getRAnglebracket(in); |
90395b4b |
649 | |
2d1580e7 |
650 | f->description = getDescription(in); |
651 | } else { |
652 | f->description = NULL; |
653 | } |
90395b4b |
654 | |
655 | //<int size=...> |
656 | getLAnglebracket(in); |
dd3a6d39 |
657 | f->type = parseType(fac, in,NULL, unnamed_types, named_types); |
90395b4b |
658 | |
2d1580e7 |
659 | if(tag) { |
660 | getLAnglebracket(in); |
661 | getForwardslash(in); |
662 | token = getName(in); |
663 | if(strcmp("field",token))in->error(in,"not a valid field definition"); |
664 | getRAnglebracket(in); //</field> |
665 | } |
90395b4b |
666 | } |
667 | |
668 | |
669 | /***************************************************************************** |
670 | *Function name |
2d1580e7 |
671 | * parseType : get type information, type can be : |
90395b4b |
672 | * Primitive: |
2d1580e7 |
673 | * int(size,fmt); uint(size,fmt); float(size,fmt); |
90395b4b |
674 | * string(fmt); enum(size,fmt,(label1,label2...)) |
675 | * Compound: |
676 | * array(arraySize, type); sequence(lengthSize,type) |
2d1580e7 |
677 | * struct(field(name,type,description)...) |
90395b4b |
678 | * type name: |
679 | * type(name,type) |
2d1580e7 |
680 | *Input params |
dd3a6d39 |
681 | * fac : facility |
90395b4b |
682 | * in : input file handle |
2d1580e7 |
683 | * inType : a type descriptor |
90395b4b |
684 | * unnamed_types : array of unamed types |
685 | * named_types : array of named types |
2d1580e7 |
686 | *Return values |
687 | * type_descriptor* : a type descriptor |
90395b4b |
688 | ****************************************************************************/ |
689 | |
2d1580e7 |
690 | type_descriptor_t *parseType(facility_t *fac, parse_file_t *in, type_descriptor_t *inType, |
691 | sequence_t * unnamed_types, table_t * named_types) |
90395b4b |
692 | { |
693 | char *token; |
90699b2b |
694 | type_descriptor_t *t; |
2d1580e7 |
695 | field_t *f; |
90395b4b |
696 | |
697 | if(inType == NULL) { |
90699b2b |
698 | t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t)); |
90395b4b |
699 | t->type_name = NULL; |
700 | t->type = NONE; |
701 | t->fmt = NULL; |
702 | sequence_push(unnamed_types,t); |
703 | } |
704 | else t = inType; |
dd3a6d39 |
705 | t->fac = fac; |
90395b4b |
706 | |
707 | token = getName(in); |
708 | |
709 | if(strcmp(token,"struct") == 0) { |
710 | t->type = STRUCT; |
f104d082 |
711 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
712 | getRAnglebracket(in); //<struct> |
713 | getLAnglebracket(in); //<field name=..> |
714 | token = getToken(in); |
715 | sequence_init(&(t->fields)); |
716 | while(strcmp("field",token) == 0){ |
2d1580e7 |
717 | f = (field_t *)memAlloc(sizeof(field_t)); |
718 | sequence_push(&(t->fields),f); |
f104d082 |
719 | |
dd3a6d39 |
720 | parseFields(fac, in, f, unnamed_types, named_types, 1); |
2d1580e7 |
721 | |
90395b4b |
722 | //next field |
723 | getLAnglebracket(in); |
2d1580e7 |
724 | token = getToken(in); |
90395b4b |
725 | } |
726 | if(strcmp("/",token))in->error(in,"not a valid structure definition"); |
727 | token = getName(in); |
728 | if(strcmp("struct",token)!=0) |
729 | in->error(in,"not a valid structure definition"); |
730 | getRAnglebracket(in); //</struct> |
731 | } |
732 | else if(strcmp(token,"union") == 0) { |
733 | t->type = UNION; |
f104d082 |
734 | getTypeAttributes(in, t, unnamed_types, named_types); |
735 | getRAnglebracket(in); //<union> |
90395b4b |
736 | |
737 | getLAnglebracket(in); //<field name=..> |
738 | token = getToken(in); |
739 | sequence_init(&(t->fields)); |
740 | while(strcmp("field",token) == 0){ |
2d1580e7 |
741 | f = (field_t *)memAlloc(sizeof(field_t)); |
742 | sequence_push(&(t->fields),f); |
dd3a6d39 |
743 | parseFields(fac, in, f, unnamed_types, named_types, 1); |
2d1580e7 |
744 | |
90395b4b |
745 | //next field |
746 | getLAnglebracket(in); |
2d1580e7 |
747 | token = getToken(in); |
90395b4b |
748 | } |
749 | if(strcmp("/",token))in->error(in,"not a valid union definition"); |
750 | token = getName(in); |
751 | if(strcmp("union",token)!=0) |
2d1580e7 |
752 | in->error(in,"not a valid union definition"); |
90395b4b |
753 | getRAnglebracket(in); //</union> |
754 | } |
755 | else if(strcmp(token,"array") == 0) { |
756 | t->type = ARRAY; |
f104d082 |
757 | sequence_init(&(t->fields)); |
758 | getTypeAttributes(in, t, unnamed_types, named_types); |
759 | if(t->size == 0) in->error(in, "Array has empty size"); |
760 | getForwardslash(in); |
90395b4b |
761 | getRAnglebracket(in); //<array size=n> |
762 | |
2d1580e7 |
763 | //getLAnglebracket(in); //<subtype> |
764 | /* subfield */ |
73e6c609 |
765 | f = (field_t *)memAlloc(sizeof(field_t)); |
2d1580e7 |
766 | |
73e6c609 |
767 | f->name = NULL; |
768 | sequence_push(&(t->fields),f); |
dd3a6d39 |
769 | parseFields(fac, in, f, unnamed_types, named_types, 0); |
f104d082 |
770 | |
2d1580e7 |
771 | //getLAnglebracket(in); //<type struct> |
f104d082 |
772 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
90395b4b |
773 | |
774 | getLAnglebracket(in); //</array> |
775 | getForwardslash(in); |
776 | token = getName(in); |
777 | if(strcmp("array",token))in->error(in,"not a valid array definition"); |
778 | getRAnglebracket(in); //</array> |
779 | } |
780 | else if(strcmp(token,"sequence") == 0) { |
781 | t->type = SEQUENCE; |
f104d082 |
782 | sequence_init(&(t->fields)); |
7df766d3 |
783 | getTypeAttributes(in, t, unnamed_types, named_types); |
784 | getForwardslash(in); |
f104d082 |
785 | getRAnglebracket(in); //<sequence> |
786 | |
2d1580e7 |
787 | //getLAnglebracket(in); //<sequence size type> |
788 | /* subfield */ |
73e6c609 |
789 | f = (field_t *)memAlloc(sizeof(field_t)); |
790 | f->name = NULL; |
791 | sequence_push(&(t->fields),f); |
dd3a6d39 |
792 | parseFields(fac, in, f, unnamed_types, named_types, 0); |
f104d082 |
793 | |
2d1580e7 |
794 | //getLAnglebracket(in); //<subtype> |
795 | /* subfield */ |
73e6c609 |
796 | f = (field_t *)memAlloc(sizeof(field_t)); |
797 | f->name = NULL; |
798 | sequence_push(&(t->fields),f); |
dd3a6d39 |
799 | parseFields(fac, in, f, unnamed_types, named_types, 0); |
f104d082 |
800 | |
2d1580e7 |
801 | //getLAnglebracket(in); //<type sequence> |
f104d082 |
802 | //t->length_type = parseType(in, NULL, unnamed_types, named_types); |
803 | |
2d1580e7 |
804 | //getLAnglebracket(in); //<type sequence> |
f104d082 |
805 | |
806 | //t->nested_type = parseType(in, NULL, unnamed_types, named_types); |
807 | |
808 | if(t->fields.position < 1) in->error(in, "Sequence has no length type"); |
809 | if(t->fields.position < 2) in->error(in, "Sequence has no subtype"); |
2d1580e7 |
810 | switch(((field_t*)t->fields.array[0])->type->type) { |
811 | case UINT_FIXED : |
812 | case UCHAR : |
813 | case USHORT : |
814 | case UINT : |
815 | case ULONG : |
816 | case SIZE_T : |
817 | case OFF_T : |
818 | break; |
819 | default: |
820 | in->error(in, "Wrong length type for sequence"); |
821 | } |
90395b4b |
822 | |
823 | getLAnglebracket(in); //</sequence> |
824 | getForwardslash(in); |
825 | token = getName(in); |
826 | if(strcmp("sequence",token))in->error(in,"not a valid sequence definition"); |
827 | getRAnglebracket(in); //</sequence> |
828 | } |
829 | else if(strcmp(token,"enum") == 0) { |
f104d082 |
830 | char * str; |
9f2d599d |
831 | long long value = -1; |
f104d082 |
832 | |
90395b4b |
833 | t->type = ENUM; |
834 | sequence_init(&(t->labels)); |
f104d082 |
835 | sequence_init(&(t->labels_values)); |
90395b4b |
836 | sequence_init(&(t->labels_description)); |
2d1580e7 |
837 | t->already_printed = 0; |
f104d082 |
838 | getTypeAttributes(in, t, unnamed_types, named_types); |
839 | //if(t->size == 0) in->error(in, "Sequence has empty size"); |
2d1580e7 |
840 | //Mathieu : we fix enum size to target int size. GCC is always like this. |
841 | //fox copy optimisation. |
f104d082 |
842 | if(t->size != 0) in->error(in, "Enum has fixed size of target int."); |
2d1580e7 |
843 | t->size = 0; |
90395b4b |
844 | getRAnglebracket(in); |
845 | |
846 | //<label name=label1 value=n/> |
847 | getLAnglebracket(in); |
848 | token = getToken(in); //"label" or "/" |
849 | while(strcmp("label",token) == 0){ |
f104d082 |
850 | int *label_value = malloc(sizeof(int)); |
2d1580e7 |
851 | int has_value = 0; |
852 | long long loc_value; |
853 | |
7b143580 |
854 | str = allocAndCopy(getNameAttribute(in)); |
9f2d599d |
855 | has_value = getValueAttribute(in, &loc_value); |
2d1580e7 |
856 | |
73e6c609 |
857 | sequence_push(&(t->labels),str); |
f104d082 |
858 | |
9f2d599d |
859 | if(has_value) value = loc_value; |
f104d082 |
860 | else value++; |
861 | |
862 | *label_value = value; |
863 | sequence_push(&(t->labels_values), label_value); |
90395b4b |
864 | |
865 | getForwardslash(in); |
866 | getRAnglebracket(in); |
2d1580e7 |
867 | |
90395b4b |
868 | //read description if any. May be NULL. |
869 | str = allocAndCopy(getDescription(in)); |
2d1580e7 |
870 | sequence_push(&(t->labels_description),str); |
871 | |
90395b4b |
872 | //next label definition |
873 | getLAnglebracket(in); |
2d1580e7 |
874 | token = getToken(in); //"label" or "/" |
90395b4b |
875 | } |
876 | if(strcmp("/",token))in->error(in, "not a valid enum definition"); |
877 | token = getName(in); |
878 | if(strcmp("enum",token))in->error(in, "not a valid enum definition"); |
879 | getRAnglebracket(in); //</label> |
880 | } |
f104d082 |
881 | else if(strcmp(token,"int_fixed") == 0) { |
882 | t->type = INT_FIXED; |
883 | getTypeAttributes(in, t, unnamed_types, named_types); |
884 | if(t->size == 0) in->error(in, "int has empty size"); |
885 | getForwardslash(in); |
2d1580e7 |
886 | getRAnglebracket(in); |
f104d082 |
887 | } |
888 | else if(strcmp(token,"uint_fixed") == 0) { |
889 | t->type = UINT_FIXED; |
890 | getTypeAttributes(in, t, unnamed_types, named_types); |
891 | if(t->size == 0) in->error(in, "uint has empty size"); |
892 | getForwardslash(in); |
2d1580e7 |
893 | getRAnglebracket(in); |
f104d082 |
894 | } |
895 | else if(strcmp(token,"char") == 0) { |
896 | t->type = CHAR; |
f104d082 |
897 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d1580e7 |
898 | t->size = 1; |
f104d082 |
899 | getForwardslash(in); |
2d1580e7 |
900 | getRAnglebracket(in); |
f104d082 |
901 | } |
902 | else if(strcmp(token,"uchar") == 0) { |
903 | t->type = UCHAR; |
f104d082 |
904 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d1580e7 |
905 | t->size = 1; |
f104d082 |
906 | getForwardslash(in); |
2d1580e7 |
907 | getRAnglebracket(in); |
f104d082 |
908 | } |
909 | else if(strcmp(token,"short") == 0) { |
910 | t->type = SHORT; |
f104d082 |
911 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d1580e7 |
912 | t->size = 2; |
f104d082 |
913 | getForwardslash(in); |
2d1580e7 |
914 | getRAnglebracket(in); |
f104d082 |
915 | } |
916 | else if(strcmp(token,"ushort") == 0) { |
917 | t->type = USHORT; |
f104d082 |
918 | getTypeAttributes(in, t, unnamed_types, named_types); |
2d1580e7 |
919 | t->size = 2; |
f104d082 |
920 | getForwardslash(in); |
2d1580e7 |
921 | getRAnglebracket(in); |
f104d082 |
922 | } |
90395b4b |
923 | else if(strcmp(token,"int") == 0) { |
924 | t->type = INT; |
f104d082 |
925 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
926 | getForwardslash(in); |
2d1580e7 |
927 | getRAnglebracket(in); |
90395b4b |
928 | } |
929 | else if(strcmp(token,"uint") == 0) { |
930 | t->type = UINT; |
f104d082 |
931 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
932 | getForwardslash(in); |
2d1580e7 |
933 | getRAnglebracket(in); |
90395b4b |
934 | } |
f104d082 |
935 | |
90395b4b |
936 | else if(strcmp(token,"pointer") == 0) { |
937 | t->type = POINTER; |
f104d082 |
938 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
939 | getForwardslash(in); |
2d1580e7 |
940 | getRAnglebracket(in); |
90395b4b |
941 | } |
942 | else if(strcmp(token,"long") == 0) { |
943 | t->type = LONG; |
f104d082 |
944 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
945 | getForwardslash(in); |
2d1580e7 |
946 | getRAnglebracket(in); |
90395b4b |
947 | } |
948 | else if(strcmp(token,"ulong") == 0) { |
949 | t->type = ULONG; |
f104d082 |
950 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
951 | getForwardslash(in); |
2d1580e7 |
952 | getRAnglebracket(in); |
90395b4b |
953 | } |
954 | else if(strcmp(token,"size_t") == 0) { |
955 | t->type = SIZE_T; |
f104d082 |
956 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
957 | getForwardslash(in); |
2d1580e7 |
958 | getRAnglebracket(in); |
90395b4b |
959 | } |
960 | else if(strcmp(token,"ssize_t") == 0) { |
961 | t->type = SSIZE_T; |
f104d082 |
962 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
963 | getForwardslash(in); |
2d1580e7 |
964 | getRAnglebracket(in); |
90395b4b |
965 | } |
966 | else if(strcmp(token,"off_t") == 0) { |
967 | t->type = OFF_T; |
f104d082 |
968 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
969 | getForwardslash(in); |
2d1580e7 |
970 | getRAnglebracket(in); |
90395b4b |
971 | } |
972 | else if(strcmp(token,"float") == 0) { |
973 | t->type = FLOAT; |
f104d082 |
974 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
975 | getForwardslash(in); |
2d1580e7 |
976 | getRAnglebracket(in); |
90395b4b |
977 | } |
978 | else if(strcmp(token,"string") == 0) { |
979 | t->type = STRING; |
f104d082 |
980 | getTypeAttributes(in, t, unnamed_types, named_types); |
90395b4b |
981 | getForwardslash(in); |
2d1580e7 |
982 | getRAnglebracket(in); |
90395b4b |
983 | } |
984 | else if(strcmp(token,"typeref") == 0){ |
985 | // Must be a named type |
2d1580e7 |
986 | free(t); |
987 | sequence_pop(unnamed_types); |
988 | token = getNameAttribute(in); |
989 | t = find_named_type(token, named_types); |
990 | if(t == NULL) in->error(in,"Named referred to must be pre-declared."); |
991 | getForwardslash(in); //<typeref name=type_name/> |
992 | getRAnglebracket(in); |
993 | return t; |
90395b4b |
994 | }else in->error(in,"not a valid type"); |
995 | |
996 | return t; |
2d1580e7 |
997 | } |
90395b4b |
998 | |
999 | /***************************************************************************** |
1000 | *Function name |
2d1580e7 |
1001 | * find_named_type : find a named type from hash table |
1002 | *Input params |
1003 | * name : type name |
90395b4b |
1004 | * named_types : array of named types |
2d1580e7 |
1005 | *Return values |
1006 | * type_descriptor * : a type descriptor |
90395b4b |
1007 | *****************************************************************************/ |
1008 | |
90699b2b |
1009 | type_descriptor_t * find_named_type(char *name, table_t * named_types) |
2d1580e7 |
1010 | { |
90699b2b |
1011 | type_descriptor_t *t; |
90395b4b |
1012 | |
500d6465 |
1013 | t = (type_descriptor_t*)table_find(named_types,name); |
f104d082 |
1014 | |
90395b4b |
1015 | return t; |
f104d082 |
1016 | } |
1017 | |
1018 | type_descriptor_t * create_named_type(char *name, table_t * named_types) |
1019 | { |
1020 | type_descriptor_t *t; |
1021 | |
2d1580e7 |
1022 | t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t)); |
1023 | t->type_name = allocAndCopy(name); |
1024 | t->type = NONE; |
1025 | t->fmt = NULL; |
1026 | table_insert(named_types,t->type_name,t); |
1027 | // table_insert(named_types,allocAndCopy(name),t); |
1028 | return t; |
f104d082 |
1029 | } |
90395b4b |
1030 | |
1031 | /***************************************************************************** |
1032 | *Function name |
2d1580e7 |
1033 | * parseTypeDefinition : get type information from type definition |
1034 | *Input params |
dd3a6d39 |
1035 | * fac : facility |
2d1580e7 |
1036 | * in : input file handle |
90395b4b |
1037 | * unnamed_types : array of unamed types |
1038 | * named_types : array of named types |
1039 | *****************************************************************************/ |
1040 | |
dd3a6d39 |
1041 | void parseTypeDefinition(facility_t *fac, parse_file_t * in, sequence_t * unnamed_types, |
2d1580e7 |
1042 | table_t * named_types) |
90395b4b |
1043 | { |
1044 | char *token; |
90699b2b |
1045 | type_descriptor_t *t; |
90395b4b |
1046 | |
1047 | token = getNameAttribute(in); |
1048 | if(token == NULL) in->error(in, "Type has empty name"); |
f104d082 |
1049 | t = create_named_type(token, named_types); |
90395b4b |
1050 | |
1051 | if(t->type != NONE) in->error(in,"redefinition of named type"); |
1052 | getRAnglebracket(in); //<type name=type_name> |
1053 | getLAnglebracket(in); //< |
1054 | token = getName(in); |
1055 | //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition"); |
1056 | ungetToken(in); |
dd3a6d39 |
1057 | parseType(fac, in,t, unnamed_types, named_types); |
2d1580e7 |
1058 | |
90395b4b |
1059 | //</type> |
1060 | getLAnglebracket(in); |
1061 | getForwardslash(in); |
1062 | token = getName(in); |
2d1580e7 |
1063 | if(strcmp("type",token))in->error(in,"not a valid type definition"); |
90395b4b |
1064 | getRAnglebracket(in); //</type> |
1065 | } |
1066 | |
1067 | /************************************************************************** |
1068 | * Function : |
1069 | * getComa, getName, getNumber, getEqual |
1070 | * Description : |
1071 | * Read a token from the input file, check its type, return it scontent. |
1072 | * |
1073 | * Parameters : |
1074 | * in , input file handle. |
1075 | * |
1076 | * Return values : |
1077 | * address of token content. |
1078 | * |
1079 | **************************************************************************/ |
1080 | |
2d1580e7 |
1081 | char *getName(parse_file_t * in) |
90395b4b |
1082 | { |
1083 | char *token; |
1084 | |
1085 | token = getToken(in); |
7b143580 |
1086 | // Optional descriptions |
2d1580e7 |
1087 | // if(in->type != NAME) in->error(in,"Name token was expected"); |
90395b4b |
1088 | return token; |
1089 | } |
1090 | |
2d1580e7 |
1091 | int getNumber(parse_file_t * in) |
90395b4b |
1092 | { |
1093 | char *token; |
1094 | |
1095 | token = getToken(in); |
1096 | if(in->type != NUMBER) in->error(in, "Number token was expected"); |
1097 | return atoi(token); |
1098 | } |
1099 | |
2d1580e7 |
1100 | char *getForwardslash(parse_file_t * in) |
90395b4b |
1101 | { |
1102 | char *token; |
1103 | |
1104 | token = getToken(in); |
f104d082 |
1105 | //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected"); |
2d1580e7 |
1106 | /* Mathieu : final / is optional now. */ |
f104d082 |
1107 | if(in->type != FORWARDSLASH) ungetToken(in); |
1108 | |
90395b4b |
1109 | return token; |
1110 | } |
1111 | |
2d1580e7 |
1112 | char *getLAnglebracket(parse_file_t * in) |
90395b4b |
1113 | { |
1114 | char *token; |
1115 | |
1116 | token = getToken(in); |
1117 | if(in->type != LANGLEBRACKET) in->error(in, "Left angle bracket was expected"); |
1118 | return token; |
1119 | } |
1120 | |
2d1580e7 |
1121 | char *getRAnglebracket(parse_file_t * in) |
90395b4b |
1122 | { |
1123 | char *token; |
1124 | |
1125 | token = getToken(in); |
1126 | if(in->type != RANGLEBRACKET) in->error(in, "Right angle bracket was expected"); |
1127 | return token; |
1128 | } |
1129 | |
2d1580e7 |
1130 | char *getQuotedString(parse_file_t * in) |
90395b4b |
1131 | { |
1132 | char *token; |
1133 | |
1134 | token = getToken(in); |
1135 | if(in->type != QUOTEDSTRING) in->error(in, "quoted string was expected"); |
1136 | return token; |
1137 | } |
1138 | |
90699b2b |
1139 | char * getEqual(parse_file_t *in) |
90395b4b |
1140 | { |
1141 | char *token; |
1142 | |
1143 | token = getToken(in); |
1144 | if(in->type != EQUAL) in->error(in, "equal was expected"); |
1145 | return token; |
1146 | } |
1147 | |
83e160f2 |
1148 | int seekNextChar(parse_file_t *in) |
90395b4b |
1149 | { |
83e160f2 |
1150 | int car; |
90395b4b |
1151 | while((car = getc(in->fp)) != EOF) { |
1152 | if(!isspace(car)){ |
1153 | ungetc(car,in->fp); |
1154 | return car; |
1155 | } |
2d1580e7 |
1156 | } |
90395b4b |
1157 | return EOF; |
1158 | } |
1159 | |
1160 | /****************************************************************** |
1161 | * Function : |
1162 | * getToken, ungetToken |
1163 | * Description : |
1164 | * Read a token from the input file and return its type and content. |
1165 | * Line numbers are accounted for and whitespace/comments are skipped. |
1166 | * |
1167 | * Parameters : |
1168 | * in, input file handle. |
1169 | * |
1170 | * Return values : |
1171 | * address of token content. |
1172 | * |
1173 | ******************************************************************/ |
1174 | |
90699b2b |
1175 | void ungetToken(parse_file_t * in) |
90395b4b |
1176 | { |
1177 | in->unget = 1; |
1178 | } |
1179 | |
90699b2b |
1180 | char *getToken(parse_file_t * in) |
90395b4b |
1181 | { |
1182 | FILE *fp = in->fp; |
83e160f2 |
1183 | int car, car1; |
90395b4b |
1184 | int pos = 0, escaped; |
1185 | |
1186 | if(in->unget == 1) { |
1187 | in->unget = 0; |
1188 | return in->buffer; |
1189 | } |
1190 | |
1191 | /* skip whitespace and comments */ |
1192 | |
1193 | while((car = getc(fp)) != EOF) { |
1194 | if(car == '/') { |
2d1580e7 |
1195 | car1 = getc(fp); |
90395b4b |
1196 | if(car1 == '*') skipComment(in); |
1197 | else if(car1 == '/') skipEOL(in); |
2d1580e7 |
1198 | else { |
90395b4b |
1199 | car1 = ungetc(car1,fp); |
1200 | break; |
1201 | } |
1202 | } |
1203 | else if(car == '\n') in->lineno++; |
1204 | else if(!isspace(car)) break; |
1205 | } |
1206 | |
1207 | switch(car) { |
1208 | case EOF: |
1209 | in->type = ENDFILE; |
1210 | break; |
1211 | case '/': |
1212 | in->type = FORWARDSLASH; |
1213 | in->buffer[pos] = car; |
1214 | pos++; |
1215 | break; |
1216 | case '<': |
1217 | in->type = LANGLEBRACKET; |
1218 | in->buffer[pos] = car; |
1219 | pos++; |
1220 | break; |
1221 | case '>': |
1222 | in->type = RANGLEBRACKET; |
1223 | in->buffer[pos] = car; |
1224 | pos++; |
1225 | break; |
1226 | case '=': |
1227 | in->type = EQUAL; |
1228 | in->buffer[pos] = car; |
1229 | pos++; |
1230 | break; |
1231 | case '"': |
1232 | escaped = 0; |
1233 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1234 | if(car == '\\' && escaped == 0) { |
2d1580e7 |
1235 | in->buffer[pos] = car; |
1236 | pos++; |
90395b4b |
1237 | escaped = 1; |
1238 | continue; |
1239 | } |
1240 | if(car == '"' && escaped == 0) break; |
1241 | if(car == '\n' && escaped == 0) { |
1242 | in->error(in, "non escaped newline inside quoted string"); |
1243 | } |
1244 | if(car == '\n') in->lineno++; |
1245 | in->buffer[pos] = car; |
1246 | pos++; |
1247 | escaped = 0; |
1248 | } |
1249 | if(car == EOF) in->error(in,"no ending quotemark"); |
1250 | if(pos == BUFFER_SIZE) in->error(in, "quoted string token too large"); |
1251 | in->type = QUOTEDSTRING; |
1252 | break; |
1253 | default: |
1254 | if(isdigit(car)) { |
1255 | in->buffer[pos] = car; |
1256 | pos++; |
1257 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
1258 | if(!isdigit(car)) { |
1259 | ungetc(car,fp); |
1260 | break; |
1261 | } |
1262 | in->buffer[pos] = car; |
1263 | pos++; |
1264 | } |
2d1580e7 |
1265 | if(car == EOF) ungetc(car,fp); |
90395b4b |
1266 | if(pos == BUFFER_SIZE) in->error(in, "number token too large"); |
1267 | in->type = NUMBER; |
01e5c8ac |
1268 | } |
7b143580 |
1269 | else if(isalnum(car) || car == '_' || car == '-') { |
90395b4b |
1270 | in->buffer[0] = car; |
1271 | pos = 1; |
1272 | while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) { |
7b143580 |
1273 | if(!(isalnum(car) || car == '_' || car == '-')) { |
90395b4b |
1274 | ungetc(car,fp); |
1275 | break; |
1276 | } |
1277 | in->buffer[pos] = car; |
1278 | pos++; |
1279 | } |
2d1580e7 |
1280 | if(car == EOF) ungetc(car,fp); |
90395b4b |
1281 | if(pos == BUFFER_SIZE) in->error(in, "name token too large"); |
1282 | in->type = NAME; |
01e5c8ac |
1283 | } else if(car == '?') { |
2d1580e7 |
1284 | in->buffer[0] = car; |
1285 | pos++; |
1286 | } |
90395b4b |
1287 | else in->error(in, "invalid character, unrecognized token"); |
1288 | } |
1289 | in->buffer[pos] = 0; |
1290 | return in->buffer; |
1291 | } |
1292 | |
90699b2b |
1293 | void skipComment(parse_file_t * in) |
90395b4b |
1294 | { |
83e160f2 |
1295 | int car; |
90395b4b |
1296 | while((car = getc(in->fp)) != EOF) { |
1297 | if(car == '\n') in->lineno++; |
1298 | else if(car == '*') { |
1299 | car = getc(in->fp); |
1300 | if(car ==EOF) break; |
1301 | if(car == '/') return; |
1302 | ungetc(car,in->fp); |
1303 | } |
1304 | } |
1305 | if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'"); |
1306 | } |
1307 | |
90699b2b |
1308 | void skipEOL(parse_file_t * in) |
90395b4b |
1309 | { |
83e160f2 |
1310 | int car; |
90395b4b |
1311 | while((car = getc(in->fp)) != EOF) { |
1312 | if(car == '\n') { |
1313 | ungetc(car,in->fp); |
1314 | break; |
1315 | } |
1316 | } |
1317 | if(car == EOF)ungetc(car, in->fp); |
1318 | } |
1319 | |
1320 | /***************************************************************************** |
1321 | *Function name |
1322 | * checkNamedTypesImplemented : check if all named types have definition |
1323 | ****************************************************************************/ |
1324 | |
90699b2b |
1325 | void checkNamedTypesImplemented(table_t * named_types) |
90395b4b |
1326 | { |
90699b2b |
1327 | type_descriptor_t *t; |
90395b4b |
1328 | int pos; |
1329 | char str[256]; |
1330 | |
1331 | for(pos = 0 ; pos < named_types->values.position; pos++) { |
90699b2b |
1332 | t = (type_descriptor_t *) named_types->values.array[pos]; |
90395b4b |
1333 | if(t->type == NONE){ |
90699b2b |
1334 | sprintf(str,"named type '%s' has no definition", |
1335 | (char*)named_types->keys.array[pos]); |
2d1580e7 |
1336 | error_callback(NULL,str); |
90395b4b |
1337 | } |
1338 | } |
1339 | } |
1340 | |
1341 | |
1342 | /***************************************************************************** |
1343 | *Function name |
1344 | * generateChecksum : generate checksum for the facility |
1345 | *Input Params |
1346 | * facName : name of facility |
1347 | *Output Params |
1348 | * checksum : checksum for the facility |
1349 | ****************************************************************************/ |
1350 | |
90699b2b |
1351 | void generateChecksum(char* facName, |
f104d082 |
1352 | unsigned int * checksum, sequence_t * events) |
90395b4b |
1353 | { |
1354 | unsigned long crc ; |
1355 | int pos; |
90699b2b |
1356 | event_t * ev; |
2312de30 |
1357 | unsigned int i; |
90395b4b |
1358 | |
1359 | crc = crc32(facName); |
1360 | for(pos = 0; pos < events->position; pos++){ |
90699b2b |
1361 | ev = (event_t *)(events->array[pos]); |
f104d082 |
1362 | crc = partial_crc32(ev->name, crc); |
2d1580e7 |
1363 | for(i = 0; i < ev->fields.position; i++) { |
1364 | field_t *f = (field_t*)ev->fields.array[i]; |
f104d082 |
1365 | crc = partial_crc32(f->name, crc); |
1366 | crc = getTypeChecksum(crc, f->type); |
2d1580e7 |
1367 | } |
90395b4b |
1368 | } |
1369 | *checksum = crc; |
1370 | } |
1371 | |
1372 | /***************************************************************************** |
1373 | *Function name |
1374 | * getTypeChecksum : generate checksum by type info |
1375 | *Input Params |
1376 | * crc : checksum generated so far |
1377 | * type : type descriptor containing type info |
2d1580e7 |
1378 | *Return value |
1379 | * unsigned long : checksum |
90395b4b |
1380 | *****************************************************************************/ |
1381 | |
90699b2b |
1382 | unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type) |
90395b4b |
1383 | { |
1384 | unsigned long crc = aCrc; |
1385 | char * str = NULL, buf[16]; |
1386 | int flag = 0, pos; |
90699b2b |
1387 | field_t * fld; |
90395b4b |
1388 | |
1389 | switch(type->type){ |
f104d082 |
1390 | case INT_FIXED: |
1391 | str = intOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1392 | break; |
f104d082 |
1393 | case UINT_FIXED: |
1394 | str = uintOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1395 | break; |
1396 | case POINTER: |
1397 | str = allocAndCopy("void *"); |
2d1580e7 |
1398 | flag = 1; |
90395b4b |
1399 | break; |
f104d082 |
1400 | case CHAR: |
1401 | str = allocAndCopy("signed char"); |
2d1580e7 |
1402 | flag = 1; |
f104d082 |
1403 | break; |
1404 | case UCHAR: |
1405 | str = allocAndCopy("unsigned char"); |
2d1580e7 |
1406 | flag = 1; |
f104d082 |
1407 | break; |
1408 | case SHORT: |
1409 | str = allocAndCopy("short"); |
2d1580e7 |
1410 | flag = 1; |
f104d082 |
1411 | break; |
1412 | case USHORT: |
1413 | str = allocAndCopy("unsigned short"); |
2d1580e7 |
1414 | flag = 1; |
f104d082 |
1415 | break; |
1416 | case INT: |
1417 | str = allocAndCopy("int"); |
2d1580e7 |
1418 | flag = 1; |
f104d082 |
1419 | break; |
1420 | case UINT: |
1421 | str = allocAndCopy("uint"); |
2d1580e7 |
1422 | flag = 1; |
f104d082 |
1423 | break; |
90395b4b |
1424 | case LONG: |
1425 | str = allocAndCopy("long"); |
2d1580e7 |
1426 | flag = 1; |
90395b4b |
1427 | break; |
1428 | case ULONG: |
1429 | str = allocAndCopy("unsigned long"); |
2d1580e7 |
1430 | flag = 1; |
90395b4b |
1431 | break; |
1432 | case SIZE_T: |
1433 | str = allocAndCopy("size_t"); |
2d1580e7 |
1434 | flag = 1; |
90395b4b |
1435 | break; |
1436 | case SSIZE_T: |
1437 | str = allocAndCopy("ssize_t"); |
2d1580e7 |
1438 | flag = 1; |
90395b4b |
1439 | break; |
1440 | case OFF_T: |
1441 | str = allocAndCopy("off_t"); |
2d1580e7 |
1442 | flag = 1; |
90395b4b |
1443 | break; |
1444 | case FLOAT: |
f104d082 |
1445 | str = floatOutputTypes[getSizeindex(type->size)]; |
90395b4b |
1446 | break; |
1447 | case STRING: |
1448 | str = allocAndCopy("string"); |
1449 | flag = 1; |
1450 | break; |
1451 | case ENUM: |
f104d082 |
1452 | //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]); |
1453 | str = allocAndCopy("enum"); |
90395b4b |
1454 | flag = 1; |
1455 | break; |
1456 | case ARRAY: |
f104d082 |
1457 | sprintf(buf,"%zu", type->size); |
90395b4b |
1458 | str = appendString("array ",buf); |
1459 | flag = 1; |
1460 | break; |
1461 | case SEQUENCE: |
743e50fd |
1462 | str = allocAndCopy("sequence "); |
90395b4b |
1463 | flag = 1; |
1464 | break; |
1465 | case STRUCT: |
1466 | str = allocAndCopy("struct"); |
1467 | flag = 1; |
1468 | break; |
1469 | case UNION: |
1470 | str = allocAndCopy("union"); |
1471 | flag = 1; |
1472 | break; |
1473 | default: |
1474 | error_callback(NULL, "named type has no definition"); |
1475 | break; |
1476 | } |
1477 | |
1478 | crc = partial_crc32(str,crc); |
1479 | if(flag) free(str); |
1480 | |
e8548639 |
1481 | //the format string is not included in the crc calculation |
1482 | |
1483 | //if(type->fmt) crc = partial_crc32(type->fmt,crc); |
2d1580e7 |
1484 | |
f104d082 |
1485 | if(type->type == ARRAY){ |
1486 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1487 | } else if(type->type ==SEQUENCE) { |
1488 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type); |
1489 | crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type); |
2d1580e7 |
1490 | } else if(type->type == STRUCT || type->type == UNION){ |
90395b4b |
1491 | for(pos =0; pos < type->fields.position; pos++){ |
90699b2b |
1492 | fld = (field_t *) type->fields.array[pos]; |
90395b4b |
1493 | crc = partial_crc32(fld->name,crc); |
1494 | crc = getTypeChecksum(crc, fld->type); |
2d1580e7 |
1495 | } |
90395b4b |
1496 | }else if(type->type == ENUM){ |
1497 | for(pos = 0; pos < type->labels.position; pos++) |
1498 | crc = partial_crc32((char*)type->labels.array[pos],crc); |
1499 | } |
1500 | |
1501 | return crc; |
1502 | } |
1503 | |
1504 | |
1505 | /* Event type descriptors */ |
90699b2b |
1506 | void freeType(type_descriptor_t * tp) |
90395b4b |
1507 | { |
1508 | int pos2; |
90699b2b |
1509 | field_t *f; |
90395b4b |
1510 | |
1511 | if(tp->fmt != NULL) free(tp->fmt); |
1512 | if(tp->type == ENUM) { |
1513 | for(pos2 = 0; pos2 < tp->labels.position; pos2++) { |
1514 | free(tp->labels.array[pos2]); |
1515 | } |
1516 | sequence_dispose(&(tp->labels)); |
f104d082 |
1517 | for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) { |
1518 | free(tp->labels_values.array[pos2]); |
1519 | } |
1520 | sequence_dispose(&(tp->labels_values)); |
90395b4b |
1521 | } |
1522 | if(tp->type == STRUCT) { |
1523 | for(pos2 = 0; pos2 < tp->fields.position; pos2++) { |
90699b2b |
1524 | f = (field_t *) tp->fields.array[pos2]; |
90395b4b |
1525 | free(f->name); |
1526 | free(f->description); |
1527 | free(f); |
1528 | } |
1529 | sequence_dispose(&(tp->fields)); |
1530 | } |
1531 | } |
1532 | |
90699b2b |
1533 | void freeNamedType(table_t * t) |
90395b4b |
1534 | { |
1535 | int pos; |
90699b2b |
1536 | type_descriptor_t * td; |
90395b4b |
1537 | |
1538 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1539 | free((char *)t->keys.array[pos]); |
90699b2b |
1540 | td = (type_descriptor_t*)t->values.array[pos]; |
90395b4b |
1541 | freeType(td); |
1542 | free(td); |
1543 | } |
1544 | } |
1545 | |
2d1580e7 |
1546 | void freeTypes(sequence_t *t) |
90395b4b |
1547 | { |
a0c1f622 |
1548 | int pos; |
90699b2b |
1549 | type_descriptor_t *tp; |
90395b4b |
1550 | |
1551 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1552 | tp = (type_descriptor_t *)t->array[pos]; |
90395b4b |
1553 | freeType(tp); |
1554 | free(tp); |
1555 | } |
1556 | } |
1557 | |
2d1580e7 |
1558 | void freeEvents(sequence_t *t) |
90395b4b |
1559 | { |
1560 | int pos; |
90699b2b |
1561 | event_t *ev; |
90395b4b |
1562 | |
1563 | for(pos = 0 ; pos < t->position; pos++) { |
90699b2b |
1564 | ev = (event_t *) t->array[pos]; |
90395b4b |
1565 | free(ev->name); |
1566 | free(ev->description); |
2d1580e7 |
1567 | sequence_dispose(&ev->fields); |
90395b4b |
1568 | free(ev); |
1569 | } |
1570 | |
1571 | } |
1572 | |
1573 | |
1574 | /* Extensible array */ |
1575 | |
2d1580e7 |
1576 | void sequence_init(sequence_t *t) |
90395b4b |
1577 | { |
1578 | t->size = 10; |
1579 | t->position = 0; |
1580 | t->array = (void **)memAlloc(t->size * sizeof(void *)); |
1581 | } |
1582 | |
2d1580e7 |
1583 | void sequence_dispose(sequence_t *t) |
90395b4b |
1584 | { |
1585 | t->size = 0; |
1586 | free(t->array); |
1587 | t->array = NULL; |
1588 | } |
1589 | |
2d1580e7 |
1590 | void sequence_push(sequence_t *t, void *elem) |
90395b4b |
1591 | { |
1592 | void **tmp; |
1593 | |
1594 | if(t->position >= t->size) { |
1595 | tmp = t->array; |
1596 | t->array = (void **)memAlloc(t->size * 2 * sizeof(void *)); |
1597 | memcpy(t->array, tmp, t->size * sizeof(void *)); |
1598 | t->size = t->size * 2; |
1599 | free(tmp); |
1600 | } |
1601 | t->array[t->position] = elem; |
1602 | t->position++; |
1603 | } |
1604 | |
2d1580e7 |
1605 | void *sequence_pop(sequence_t *t) |
90395b4b |
1606 | { |
2d1580e7 |
1607 | if(t->position == 0) printf("Error : trying to pop an empty sequence"); |
845a3be5 |
1608 | return t->array[--t->position]; |
90395b4b |
1609 | } |
1610 | |
1611 | |
1612 | /* Hash table API, implementation is just linear search for now */ |
1613 | |
2d1580e7 |
1614 | void table_init(table_t *t) |
90395b4b |
1615 | { |
1616 | sequence_init(&(t->keys)); |
1617 | sequence_init(&(t->values)); |
1618 | } |
1619 | |
2d1580e7 |
1620 | void table_dispose(table_t *t) |
90395b4b |
1621 | { |
1622 | sequence_dispose(&(t->keys)); |
1623 | sequence_dispose(&(t->values)); |
1624 | } |
1625 | |
2d1580e7 |
1626 | void table_insert(table_t *t, char *key, void *value) |
90395b4b |
1627 | { |
1628 | sequence_push(&(t->keys),key); |
1629 | sequence_push(&(t->values),value); |
1630 | } |
1631 | |
2d1580e7 |
1632 | void *table_find(table_t *t, char *key) |
90395b4b |
1633 | { |
1634 | int pos; |
1635 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1636 | if(strcmp((char *)key,(char *)t->keys.array[pos]) == 0) |
1637 | return(t->values.array[pos]); |
1638 | } |
1639 | return NULL; |
1640 | } |
1641 | |
90699b2b |
1642 | void table_insert_int(table_t *t, int *key, void *value) |
90395b4b |
1643 | { |
1644 | sequence_push(&(t->keys),key); |
1645 | sequence_push(&(t->values),value); |
1646 | } |
1647 | |
90699b2b |
1648 | void *table_find_int(table_t *t, int *key) |
90395b4b |
1649 | { |
1650 | int pos; |
1651 | for(pos = 0 ; pos < t->keys.position; pos++) { |
1652 | if(*key == *(int *)t->keys.array[pos]) |
1653 | return(t->values.array[pos]); |
1654 | } |
1655 | return NULL; |
1656 | } |
1657 | |
1658 | |
1659 | /* Concatenate strings */ |
1660 | |
2d1580e7 |
1661 | char *appendString(char *s, char *suffix) |
90395b4b |
1662 | { |
1663 | char *tmp; |
1664 | if(suffix == NULL) return s; |
1665 | |
1666 | tmp = (char *)memAlloc(strlen(s) + strlen(suffix) + 1); |
1667 | strcpy(tmp,s); |
2d1580e7 |
1668 | strcat(tmp,suffix); |
90395b4b |
1669 | return tmp; |
1670 | } |