3 /* ddt_new - creation/deletion of datatypes structs (private to this module)*/
5 /* Copyright (c) 2003 Olivier Aumage. */
6 /* Copyright (c) 2003, 2004 Martin Quinson. */
7 /* All rights reserved. */
9 /* This program is free software; you can redistribute it and/or modify it
10 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "xbt/misc.h" /* min()/max() */
13 #include "gras/DataDesc/datadesc_private.h"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_create,datadesc,"Creating new datadescriptions");
20 * gime that memory back, dude. I mean it.
22 void gras_ddt_freev(void *ddt) {
23 gras_datadesc_type_t type= (gras_datadesc_type_t)ddt;
26 gras_datadesc_free(&type);
30 static gras_datadesc_type_t gras_ddt_new(const char *name) {
31 gras_datadesc_type_t res;
34 res=xbt_new0(s_gras_datadesc_type_t,1);
36 res->name = (char*)strdup(name);
37 res->name_len = strlen(name);
40 xbt_set_add(gras_datadesc_set_local,
41 (xbt_set_elm_t)res,&gras_ddt_freev);
47 * This returns NULL when no type of this name can be found
49 gras_datadesc_type_t gras_datadesc_by_name(const char *name) {
51 gras_datadesc_type_t type;
54 if (xbt_set_get_by_name(gras_datadesc_set_local,
55 name,(xbt_set_elm_t*)&type) == no_error) {
65 * Retrieve a type from its code
67 xbt_error_t gras_datadesc_by_id(long int code,
68 gras_datadesc_type_t *type) {
70 return xbt_set_get_by_id(gras_datadesc_set_local,
71 code,(xbt_set_elm_t*)type);
75 * Create a new scalar and give a pointer to it
78 gras_datadesc_scalar(const char *name,
79 gras_ddt_scalar_type_t type,
80 enum e_gras_dd_scalar_encoding encoding) {
82 gras_datadesc_type_t res;
86 res = gras_datadesc_by_name(name);
88 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_scalar,
89 "Redefinition of type %s does not match", name);
90 xbt_assert1(res->category.scalar_data.encoding == encoding,
91 "Redefinition of type %s does not match", name);
92 xbt_assert1(res->category.scalar_data.type == type,
93 "Redefinition of type %s does not match", name);
94 VERB1("Discarding redefinition of %s",name);
97 res = gras_ddt_new(name);
99 for (arch = 0; arch < gras_arch_count; arch ++) {
100 res->size[arch] = gras_arches[arch].sizeofs[type];
101 res->alignment[arch] = gras_arches[arch].boundaries[type];
102 res->aligned_size[arch] = aligned(res->size[arch], res->alignment[arch]);
105 res->category_code = e_gras_datadesc_type_cat_scalar;
106 res->category.scalar_data.encoding = encoding;
107 res->category.scalar_data.type = type;
114 /** Frees one struct or union field */
115 void gras_dd_cat_field_free(void *f) {
116 gras_dd_cat_field_t field = *(gras_dd_cat_field_t *)f;
126 /** \brief Declare a new structure description */
128 gras_datadesc_struct(const char *name) {
130 gras_datadesc_type_t res;
133 XBT_IN1("(%s)",name);
134 res = gras_datadesc_by_name(name);
136 /* FIXME: Check that field redefinition matches */
137 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_struct,
138 "Redefinition of type %s does not match", name);
139 VERB1("Discarding redefinition of %s",name);
142 res = gras_ddt_new(name);
144 for (arch=0; arch<gras_arch_count; arch ++) {
146 res->alignment[arch] = 0;
147 res->aligned_size[arch] = 0;
149 res->category_code = e_gras_datadesc_type_cat_struct;
150 res->category.struct_data.fields =
151 xbt_dynar_new(sizeof(gras_dd_cat_field_t),
152 &gras_dd_cat_field_free);
158 /** \brief Append a new field to a structure description */
160 gras_datadesc_struct_append(gras_datadesc_type_t struct_type,
162 gras_datadesc_type_t field_type) {
164 gras_dd_cat_field_t field;
167 xbt_assert2(field_type,
168 "Cannot add the field '%s' into struct '%s': its type is NULL. Typo in get_by_name?",
169 name,struct_type->name);
170 XBT_IN3("(%s %s.%s;)",field_type->name,struct_type->name,name);
171 if (struct_type->category.struct_data.closed) {
172 VERB1("Ignoring request to add field to struct %s (closed. Redefinition?)",
177 xbt_assert1(field_type->size != 0,
178 "Cannot add a dynamically sized field in structure %s",
181 field=xbt_new(s_gras_dd_cat_field_t,1);
182 field->name = (char*)strdup(name);
184 DEBUG0("----------------");
185 DEBUG3("PRE s={size=%ld,align=%ld,asize=%ld}",
186 struct_type->size[GRAS_THISARCH],
187 struct_type->alignment[GRAS_THISARCH],
188 struct_type->aligned_size[GRAS_THISARCH]);
191 for (arch=0; arch<gras_arch_count; arch ++) {
192 field->offset[arch] = aligned(struct_type->size[arch],
193 field_type->alignment[arch]);
195 struct_type->size[arch] = field->offset[arch] + field_type->size[arch];
196 struct_type->alignment[arch] = max(struct_type->alignment[arch],
197 field_type->alignment[arch]);
198 struct_type->aligned_size[arch] = aligned(struct_type->size[arch],
199 struct_type->alignment[arch]);
201 field->type = field_type;
205 xbt_dynar_push(struct_type->category.struct_data.fields, &field);
207 DEBUG3("Push a %s into %s at offset %ld.",
208 field_type->name, struct_type->name,field->offset[GRAS_THISARCH]);
209 DEBUG3(" f={size=%ld,align=%ld,asize=%ld}",
210 field_type->size[GRAS_THISARCH],
211 field_type->alignment[GRAS_THISARCH],
212 field_type->aligned_size[GRAS_THISARCH]);
213 DEBUG3(" s={size=%ld,align=%ld,asize=%ld}",
214 struct_type->size[GRAS_THISARCH],
215 struct_type->alignment[GRAS_THISARCH],
216 struct_type->aligned_size[GRAS_THISARCH]);
220 /** \brief Close a structure description
222 * No new field can be added afterward, and it is mandatory to close the structure before using it.
225 gras_datadesc_struct_close(gras_datadesc_type_t struct_type) {
227 struct_type->category.struct_data.closed = 1;
228 DEBUG4("structure %s closed. size=%ld,align=%ld,asize=%ld",
230 struct_type->size[GRAS_THISARCH],
231 struct_type->alignment[GRAS_THISARCH],
232 struct_type->aligned_size[GRAS_THISARCH]);
236 * gras_datadesc_cycle_set:
238 * Tell GRAS that the pointers of the type described by ddt may present
239 * some loop, and that the cycle detection mechanism is needed.
241 * Note that setting this option when not needed have a rather bad effect
242 * on the performance (several times slower on big data).
245 gras_datadesc_cycle_set(gras_datadesc_type_t ddt) {
250 * gras_datadesc_cycle_unset:
252 * Tell GRAS that the pointers of the type described by ddt do not present
253 * any loop and that cycle detection mechanism are not needed.
257 gras_datadesc_cycle_unset(gras_datadesc_type_t ddt) {
261 /** \brief Declare a new union description */
263 gras_datadesc_union(const char *name,
264 gras_datadesc_type_cb_int_t selector) {
266 gras_datadesc_type_t res;
269 XBT_IN1("(%s)",name);
270 xbt_assert0(selector,
271 "Attempt to creat an union without field_count function");
273 res = gras_datadesc_by_name(name);
275 /* FIXME: Check that field redefinition matches */
276 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_union,
277 "Redefinition of type %s does not match", name);
278 xbt_assert1(res->category.union_data.selector == selector,
279 "Redefinition of type %s does not match", name);
280 VERB1("Discarding redefinition of %s",name);
284 res = gras_ddt_new(name);
286 for (arch=0; arch<gras_arch_count; arch ++) {
288 res->alignment[arch] = 0;
289 res->aligned_size[arch] = 0;
292 res->category_code = e_gras_datadesc_type_cat_union;
293 res->category.union_data.fields =
294 xbt_dynar_new(sizeof(gras_dd_cat_field_t*),
295 &gras_dd_cat_field_free);
296 res->category.union_data.selector = selector;
301 /** \brief Append a new field to an union description */
302 void gras_datadesc_union_append(gras_datadesc_type_t union_type,
304 gras_datadesc_type_t field_type) {
306 gras_dd_cat_field_t field;
309 XBT_IN3("(%s %s.%s;)",field_type->name,union_type->name,name);
310 xbt_assert1(field_type->size != 0,
311 "Cannot add a dynamically sized field in union %s",
314 if (union_type->category.union_data.closed) {
315 VERB1("Ignoring request to add field to union %s (closed)",
320 field=xbt_new0(s_gras_dd_cat_field_t,1);
322 field->name = (char*)strdup(name);
323 field->type = field_type;
324 /* All offset are left to 0 in an union */
326 xbt_dynar_push(union_type->category.union_data.fields, &field);
328 for (arch=0; arch<gras_arch_count; arch ++) {
329 union_type->size[arch] = max(union_type->size[arch],
330 field_type->size[arch]);
331 union_type->alignment[arch] = max(union_type->alignment[arch],
332 field_type->alignment[arch]);
333 union_type->aligned_size[arch] = aligned(union_type->size[arch],
334 union_type->alignment[arch]);
339 /** \brief Close an union description
341 * No new field can be added afterward, and it is mandatory to close the union before using it.
344 gras_datadesc_union_close(gras_datadesc_type_t union_type) {
345 union_type->category.union_data.closed = 1;
348 /** \brief Declare a new type being a reference to the one passed in arg */
350 gras_datadesc_ref(const char *name,
351 gras_datadesc_type_t referenced_type) {
353 gras_datadesc_type_t res;
354 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
357 XBT_IN1("(%s)",name);
358 res = gras_datadesc_by_name(name);
360 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
361 "Redefinition of %s does not match",name);
362 xbt_assert1(res->category.ref_data.type == referenced_type,
363 "Redefinition of %s does not match",name);
364 xbt_assert1(res->category.ref_data.selector == NULL,
365 "Redefinition of %s does not match",name);
366 VERB1("Discarding redefinition of %s",name);
370 res = gras_ddt_new(name);
372 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
374 for (arch=0; arch<gras_arch_count; arch ++){
375 res->size[arch] = pointer_type->size[arch];
376 res->alignment[arch] = pointer_type->alignment[arch];
377 res->aligned_size[arch] = pointer_type->aligned_size[arch];
380 res->category_code = e_gras_datadesc_type_cat_ref;
381 res->category.ref_data.type = referenced_type;
382 res->category.ref_data.selector = NULL;
386 /** \brief Declare a new type being a generic reference.
388 * The callback passed in argument is to be used to select which type is currently used.
389 * So, when GRAS wants to send a generic reference, it passes the current data to the selector
390 * callback and expects it to return the type description to use.
393 gras_datadesc_ref_generic(const char *name,
394 gras_datadesc_selector_t selector) {
396 gras_datadesc_type_t res;
397 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
400 XBT_IN1("(%s)",name);
401 res = gras_datadesc_by_name(name);
403 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
404 "Redefinition of type %s does not match", name);
405 xbt_assert1(res->category.ref_data.type == NULL,
406 "Redefinition of type %s does not match", name);
407 xbt_assert1(res->category.ref_data.selector == selector,
408 "Redefinition of type %s does not match", name);
409 VERB1("Discarding redefinition of %s",name);
412 res = gras_ddt_new(name);
414 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
416 for (arch=0; arch<gras_arch_count; arch ++) {
417 res->size[arch] = pointer_type->size[arch];
418 res->alignment[arch] = pointer_type->alignment[arch];
419 res->aligned_size[arch] = pointer_type->aligned_size[arch];
422 res->category_code = e_gras_datadesc_type_cat_ref;
424 res->category.ref_data.type = NULL;
425 res->category.ref_data.selector = selector;
430 /** \brief Declare a new type being an array of fixed size and content */
432 gras_datadesc_array_fixed(const char *name,
433 gras_datadesc_type_t element_type,
434 long int fixed_size) {
436 gras_datadesc_type_t res;
439 XBT_IN1("(%s)",name);
440 res = gras_datadesc_by_name(name);
442 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
443 "Redefinition of type %s does not match", name);
444 xbt_assert1(res->category.array_data.type == element_type,
445 "Redefinition of type %s does not match", name);
446 xbt_assert1(res->category.array_data.fixed_size == fixed_size,
447 "Redefinition of type %s does not match", name);
448 xbt_assert1(res->category.array_data.dynamic_size == NULL,
449 "Redefinition of type %s does not match", name);
450 VERB1("Discarding redefinition of %s",name);
454 res = gras_ddt_new(name);
456 xbt_assert1(fixed_size > 0, "'%s' is a array of null fixed size",name);
457 for (arch=0; arch<gras_arch_count; arch ++) {
458 res->size[arch] = fixed_size * element_type->aligned_size[arch];
459 res->alignment[arch] = element_type->alignment[arch];
460 res->aligned_size[arch] = res->size[arch];
463 res->category_code = e_gras_datadesc_type_cat_array;
465 res->category.array_data.type = element_type;
466 res->category.array_data.fixed_size = fixed_size;
467 res->category.array_data.dynamic_size = NULL;
472 /** \brief Declare a new type being an array of fixed size, but accepting several content types. */
473 gras_datadesc_type_t gras_datadesc_array_dyn(const char *name,
474 gras_datadesc_type_t element_type,
475 gras_datadesc_type_cb_int_t dynamic_size) {
477 gras_datadesc_type_t res;
480 XBT_IN1("(%s)",name);
481 xbt_assert1(dynamic_size,
482 "'%s' is a dynamic array without size discriminant",
485 res = gras_datadesc_by_name(name);
487 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
488 "Redefinition of type %s does not match", name);
489 xbt_assert1(res->category.array_data.type == element_type,
490 "Redefinition of type %s does not match", name);
491 xbt_assert1(res->category.array_data.fixed_size == 0,
492 "Redefinition of type %s does not match", name);
493 xbt_assert1(res->category.array_data.dynamic_size == dynamic_size,
494 "Redefinition of type %s does not match", name);
495 VERB1("Discarding redefinition of %s",name);
500 res = gras_ddt_new(name);
502 for (arch=0; arch<gras_arch_count; arch ++) {
503 res->size[arch] = 0; /* make sure it indicates "dynamic" */
504 res->alignment[arch] = element_type->alignment[arch];
505 res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid*/
508 res->category_code = e_gras_datadesc_type_cat_array;
510 res->category.array_data.type = element_type;
511 res->category.array_data.fixed_size = 0;
512 res->category.array_data.dynamic_size = dynamic_size;
517 /** \brief Declare a new type being an array which size can be found with \ref gras_cbps_i_pop
519 * Most of the time, you want to include a reference in your structure which
520 * is a pointer to a dynamic array whose size is fixed by another field of
523 * This case pops up so often that this function was created to take care of
524 * this case. It creates a dynamic array type whose size is poped from the
525 * current cbps, and then create a reference to it.
527 * The name of the created datatype will be the name of the element type, with
528 * '[]*' appended to it.
530 * Then to use it, you just have to make sure that your structure pre-callback
531 * does push the size of the array in the cbps (using #gras_cbps_i_push), and
534 * But be remember that this is a stack. If you have two different pop_arr, you
535 * should push the second one first, so that the first one is on the top of the
536 * list when the first field gets transfered.
540 gras_datadesc_ref_pop_arr(gras_datadesc_type_t element_type) {
542 gras_datadesc_type_t res;
543 char *name=(char*)xbt_malloc(strlen(element_type->name) + 4);
545 sprintf(name,"%s[]",element_type->name);
547 res = gras_datadesc_array_dyn(name,element_type,
548 gras_datadesc_cb_pop);
550 sprintf(name,"%s[]*",element_type->name);
551 res = gras_datadesc_ref(name,res);
558 gras_datadesc_import_nws(const char *name,
559 const DataDescriptor *desc,
560 unsigned long howmany,
561 /* OUT */ gras_datadesc_type_t *dst) {
566 * (useful to push the sizes of the upcoming arrays, for example)
568 void gras_datadesc_cb_send (gras_datadesc_type_t type,
569 gras_datadesc_type_cb_void_t send) {
573 * (useful to put the function pointers to the rigth value, for example)
575 void gras_datadesc_cb_recv(gras_datadesc_type_t type,
576 gras_datadesc_type_cb_void_t recv) {
580 * gras_dd_find_field:
582 * Returns the type descriptor of the given field. Abort on error.
584 static gras_datadesc_type_t
585 gras_dd_find_field(gras_datadesc_type_t type,
586 const char *field_name) {
587 xbt_dynar_t field_array;
589 gras_dd_cat_field_t field=NULL;
592 if (type->category_code == e_gras_datadesc_type_cat_union) {
593 field_array = type->category.union_data.fields;
594 } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
595 field_array = type->category.struct_data.fields;
597 ERROR2("%s (%p) is not a struct nor an union. There is no field.", type->name,(void*)type);
600 xbt_dynar_foreach(field_array,field_num,field) {
601 if (!strcmp(field_name,field->name)) {
605 ERROR2("No field nammed %s in %s",field_name,type->name);
611 * The given datadesc must be a struct or union (abort if not).
612 * (useful to push the sizes of the upcoming arrays, for example)
614 void gras_datadesc_cb_field_send (gras_datadesc_type_t type,
615 const char *field_name,
616 gras_datadesc_type_cb_void_t send) {
618 gras_datadesc_type_t sub_type=gras_dd_find_field(type,field_name);
619 sub_type->send = send;
623 * The value, which must be an int, unsigned int, long int or unsigned long int
624 * is pushed to the stacks of sizes and can then be retrieved with
625 * \ref gras_datadesc_ref_pop_arr or directly with \ref gras_cbps_i_pop.
627 void gras_datadesc_cb_field_push (gras_datadesc_type_t type,
628 const char *field_name) {
630 gras_datadesc_type_t sub_type=gras_dd_find_field(type,field_name);
631 if (!strcmp("int",sub_type->name)) {
632 sub_type->send = gras_datadesc_cb_push_int;
633 } else if (!strcmp("unsigned int",sub_type->name)) {
634 sub_type->send = gras_datadesc_cb_push_uint;
635 } else if (!strcmp("long int",sub_type->name)) {
636 sub_type->send = gras_datadesc_cb_push_lint;
637 } else if (!strcmp("unsigned long int",sub_type->name)) {
638 sub_type->send = gras_datadesc_cb_push_ulint;
640 ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int",
646 * The given datadesc must be a struct or union (abort if not).
647 * (useful to put the function pointers to the right value, for example)
649 void gras_datadesc_cb_field_recv(gras_datadesc_type_t type,
650 const char *field_name,
651 gras_datadesc_type_cb_void_t recv) {
653 gras_datadesc_type_t sub_type=gras_dd_find_field(type,field_name);
654 sub_type->recv = recv;
658 * Free a datadesc. Should only be called at xbt_exit.
660 void gras_datadesc_free(gras_datadesc_type_t *type) {
662 DEBUG1("Let's free ddt %s",(*type)->name);
664 switch ((*type)->category_code) {
665 case e_gras_datadesc_type_cat_scalar:
666 case e_gras_datadesc_type_cat_ref:
667 case e_gras_datadesc_type_cat_array:
668 /* nothing to free in there */
671 case e_gras_datadesc_type_cat_ignored:
672 if ((*type)->category.ignored_data.free_func) {
673 (*type)->category.ignored_data.free_func
674 ((*type)->category.ignored_data.default_value);
678 case e_gras_datadesc_type_cat_struct:
679 xbt_dynar_free(&( (*type)->category.struct_data.fields ));
682 case e_gras_datadesc_type_cat_union:
683 xbt_dynar_free(&( (*type)->category.union_data.fields ));
687 /* datadesc was invalid. Killing it is like euthanasy, I guess */
696 * gras_datadesc_type_cmp:
698 * Compares two datadesc types with the same semantic than strcmp.
700 * This comparison does not take the set headers into account (name and ID),
701 * but only the payload (actual type description).
703 int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
704 const gras_datadesc_type_t d2) {
706 gras_dd_cat_field_t field1,field2;
707 gras_datadesc_type_t field_desc_1,field_desc_2;
709 if (d1 == d2) return 0; /* easy optimization */
712 DEBUG0("ddt_cmp: !d1 && d2 => 1");
716 DEBUG0("ddt_cmp: !d1 && !d2 => 0");
720 DEBUG0("ddt_cmp: d1 && !d2 => -1");
724 for (cpt=0; cpt<gras_arch_count; cpt++) {
725 if (d1->size[cpt] != d2->size[cpt]) {
726 DEBUG5("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
727 d1->name,d1->size[cpt],d2->name,d2->size[cpt],
728 gras_arches[cpt].name);
729 return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
732 if (d1->alignment[cpt] != d2->alignment[cpt]) {
733 DEBUG5("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
734 d1->name,d1->alignment[cpt],d2->name,d2->alignment[cpt],
735 gras_arches[cpt].name);
736 return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
739 if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
740 DEBUG5("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
741 d1->name,d1->aligned_size[cpt],d2->name,d2->aligned_size[cpt],
742 gras_arches[cpt].name);
743 return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
747 if (d1->category_code != d2->category_code) {
748 DEBUG4("ddt_cmp: %s->cat=%s != %s->cat=%s",
749 d1->name,gras_datadesc_cat_names[d1->category_code],
750 d2->name,gras_datadesc_cat_names[d2->category_code]);
751 return d1->category_code > d2->category_code ? 1 : -1;
754 if (d1->send != d2->send) {
755 DEBUG4("ddt_cmp: %s->send=%p != %s->send=%p",
756 d1->name,(void*)d1->send, d2->name,(void*)d2->send);
757 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
760 if (d1->recv != d2->recv) {
761 DEBUG4("ddt_cmp: %s->recv=%p != %s->recv=%p",
762 d1->name,(void*)d1->recv, d2->name,(void*)d2->recv);
763 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
766 switch (d1->category_code) {
767 case e_gras_datadesc_type_cat_scalar:
768 if (d1->category.scalar_data.encoding != d2->category.scalar_data.encoding)
769 return d1->category.scalar_data.encoding > d2->category.scalar_data.encoding ? 1 : -1 ;
772 case e_gras_datadesc_type_cat_struct:
773 if (xbt_dynar_length(d1->category.struct_data.fields) !=
774 xbt_dynar_length(d2->category.struct_data.fields)) {
775 DEBUG4("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
776 d1->name, xbt_dynar_length(d1->category.struct_data.fields),
777 d2->name, xbt_dynar_length(d2->category.struct_data.fields));
779 return xbt_dynar_length(d1->category.struct_data.fields) >
780 xbt_dynar_length(d2->category.struct_data.fields) ?
783 xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
785 field2 = xbt_dynar_get_as(d2->category.struct_data.fields, cpt, gras_dd_cat_field_t);
786 field_desc_1 = field1->type;
787 field_desc_2 = field2->type;
788 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
790 DEBUG6("%s->field[%d]=%s != %s->field[%d]=%s",
791 d1->name,cpt,field1->name,
792 d2->name,cpt,field2->name);
799 case e_gras_datadesc_type_cat_union:
800 if (d1->category.union_data.selector != d2->category.union_data.selector)
801 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
803 if (xbt_dynar_length(d1->category.union_data.fields) !=
804 xbt_dynar_length(d2->category.union_data.fields))
805 return xbt_dynar_length(d1->category.union_data.fields) >
806 xbt_dynar_length(d2->category.union_data.fields) ?
809 xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
811 field2 = xbt_dynar_get_as(d2->category.union_data.fields, cpt, gras_dd_cat_field_t);
812 field_desc_1 = field1->type;
813 field_desc_2 = field2->type;
814 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
822 case e_gras_datadesc_type_cat_ref:
823 if (d1->category.ref_data.selector != d2->category.ref_data.selector)
824 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
826 if (d1->category.ref_data.type != d2->category.ref_data.type)
827 return d1->category.ref_data.type > d2->category.ref_data.type ? 1 : -1;
830 case e_gras_datadesc_type_cat_array:
831 if (d1->category.array_data.type != d2->category.array_data.type)
832 return d1->category.array_data.type > d2->category.array_data.type ? 1 : -1;
834 if (d1->category.array_data.fixed_size != d2->category.array_data.fixed_size)
835 return d1->category.array_data.fixed_size > d2->category.array_data.fixed_size ? 1 : -1;
837 if (d1->category.array_data.dynamic_size != d2->category.array_data.dynamic_size)
838 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
842 case e_gras_datadesc_type_cat_ignored:
843 /* That's ignored... */
845 /* two stupidly created ddt are equally stupid ;) */