1 /* ddt_new - creation/deletion of datatypes structs (private to this module)*/
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/misc.h" /* min()/max() */
11 #include "gras/DataDesc/datadesc_private.h"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_create, gras_ddt,
14 "Creating new datadescriptions");
17 static gras_dd_cat_field_t
18 gras_dd_find_field(gras_datadesc_type_t type, const char *field_name);
22 * gime that memory back, dude. I mean it.
24 void gras_ddt_freev(void *ddt)
26 gras_datadesc_type_t type = (gras_datadesc_type_t) ddt;
29 gras_datadesc_free(&type);
33 static gras_datadesc_type_t gras_ddt_new(const char *name)
35 gras_datadesc_type_t res;
38 res = xbt_new0(s_gras_datadesc_type_t, 1);
40 res->name = (char *) strdup(name);
41 res->name_len = strlen(name);
44 xbt_set_add(gras_datadesc_set_local, (xbt_set_elm_t) res,
50 /** @brief retrieve an existing message type from its name (or NULL if it does not exist). */
51 gras_datadesc_type_t gras_datadesc_by_name_or_null(const char *name)
54 gras_datadesc_type_t res = NULL;
57 res = gras_datadesc_by_name(name);
66 * Search the given datadesc (or raises an exception if it can't be found)
68 gras_datadesc_type_t gras_datadesc_by_name(const char *name)
71 gras_datadesc_type_t res = NULL;
72 volatile int found = 0;
75 (gras_datadesc_type_t) xbt_set_get_by_name(gras_datadesc_set_local,
79 if (e.category != not_found_error)
84 THROWF(not_found_error, 0, "No registred datatype of that name: %s",
91 * Retrieve a type from its code (or NULL if not found)
93 gras_datadesc_type_t gras_datadesc_by_id(long int code)
96 gras_datadesc_type_t res = NULL;
99 (gras_datadesc_type_t) xbt_set_get_by_id(gras_datadesc_set_local,
102 if (e.category != not_found_error)
111 * Create a new scalar and give a pointer to it
114 gras_datadesc_scalar(const char *name,
115 gras_ddt_scalar_type_t type,
116 enum e_gras_dd_scalar_encoding encoding)
119 gras_datadesc_type_t res;
123 res = gras_datadesc_by_name_or_null(name);
125 xbt_assert(res->category_code == e_gras_datadesc_type_cat_scalar,
126 "Redefinition of type %s does not match", name);
127 xbt_assert(res->category.scalar_data.encoding == encoding,
128 "Redefinition of type %s does not match", name);
129 xbt_assert(res->category.scalar_data.type == type,
130 "Redefinition of type %s does not match", name);
131 XBT_VERB("Discarding redefinition of %s", name);
134 res = gras_ddt_new(name);
136 for (arch = 0; arch < gras_arch_count; arch++) {
137 res->size[arch] = gras_arches[arch].sizeofs[type];
138 res->alignment[arch] = gras_arches[arch].boundaries[type];
139 res->aligned_size[arch] =
140 ddt_aligned(res->size[arch], res->alignment[arch]);
143 res->category_code = e_gras_datadesc_type_cat_scalar;
144 res->category.scalar_data.encoding = encoding;
145 res->category.scalar_data.type = type;
152 /** Frees one struct or union field */
153 void gras_dd_cat_field_free(void *f)
155 gras_dd_cat_field_t field = *(gras_dd_cat_field_t *) f;
165 /** \brief Declare a new structure description */
166 gras_datadesc_type_t gras_datadesc_struct(const char *name)
169 gras_datadesc_type_t res;
172 XBT_IN("(%s)", name);
173 res = gras_datadesc_by_name_or_null(name);
175 /* FIXME: Check that field redefinition matches */
176 xbt_assert(res->category_code == e_gras_datadesc_type_cat_struct,
177 "Redefinition of type %s does not match", name);
178 XBT_DEBUG("Discarding redefinition of %s", name);
181 res = gras_ddt_new(name);
183 for (arch = 0; arch < gras_arch_count; arch++) {
185 res->alignment[arch] = 0;
186 res->aligned_size[arch] = 0;
188 res->category_code = e_gras_datadesc_type_cat_struct;
189 res->category.struct_data.fields =
190 xbt_dynar_new(sizeof(gras_dd_cat_field_t), gras_dd_cat_field_free);
196 /** \brief Append a new field to a structure description */
198 gras_datadesc_struct_append(gras_datadesc_type_t struct_type,
200 gras_datadesc_type_t field_type)
203 gras_dd_cat_field_t field;
206 xbt_assert(field_type,
207 "Cannot add the field '%s' into struct '%s': its type is NULL",
208 name, struct_type->name);
209 XBT_IN("(%s %s.%s;)", field_type->name, struct_type->name, name);
210 if (struct_type->category.struct_data.closed) {
212 ("Ignoring request to add field to struct %s (closed. Redefinition?)",
217 xbt_assert(field_type->size[GRAS_THISARCH] >= 0,
218 "Cannot add a dynamically sized field in structure %s",
221 field = xbt_new(s_gras_dd_cat_field_t, 1);
222 field->name = (char *) strdup(name);
224 XBT_DEBUG("----------------");
225 XBT_DEBUG("PRE s={size=%ld,align=%ld,asize=%ld}",
226 struct_type->size[GRAS_THISARCH],
227 struct_type->alignment[GRAS_THISARCH],
228 struct_type->aligned_size[GRAS_THISARCH]);
231 for (arch = 0; arch < gras_arch_count; arch++) {
232 field->offset[arch] = ddt_aligned(struct_type->size[arch],
233 field_type->alignment[arch]);
235 struct_type->size[arch] = field->offset[arch] + field_type->size[arch];
236 struct_type->alignment[arch] = max(struct_type->alignment[arch],
237 field_type->alignment[arch]);
238 struct_type->aligned_size[arch] = ddt_aligned(struct_type->size[arch],
239 struct_type->alignment
242 field->type = field_type;
246 xbt_dynar_push(struct_type->category.struct_data.fields, &field);
248 XBT_DEBUG("Push a %s into %s at offset %ld.",
249 field_type->name, struct_type->name,
250 field->offset[GRAS_THISARCH]);
251 XBT_DEBUG(" f={size=%ld,align=%ld,asize=%ld}",
252 field_type->size[GRAS_THISARCH],
253 field_type->alignment[GRAS_THISARCH],
254 field_type->aligned_size[GRAS_THISARCH]);
255 XBT_DEBUG(" s={size=%ld,align=%ld,asize=%ld}",
256 struct_type->size[GRAS_THISARCH],
257 struct_type->alignment[GRAS_THISARCH],
258 struct_type->aligned_size[GRAS_THISARCH]);
262 /** \brief Close a structure description
264 * No new field can be added afterward, and it is mandatory to close the structure before using it.
266 void gras_datadesc_struct_close(gras_datadesc_type_t struct_type)
270 struct_type->category.struct_data.closed = 1;
271 for (arch = 0; arch < gras_arch_count; arch++) {
272 struct_type->size[arch] = struct_type->aligned_size[arch];
274 XBT_DEBUG("structure %s closed. size=%ld,align=%ld,asize=%ld",
276 struct_type->size[GRAS_THISARCH],
277 struct_type->alignment[GRAS_THISARCH],
278 struct_type->aligned_size[GRAS_THISARCH]);
282 * gras_datadesc_cycle_set:
284 * Tell GRAS that the pointers of the type described by ddt may present
285 * some loop, and that the cycle detection mechanism is needed.
287 * Note that setting this option when not needed have a rather bad effect
288 * on the performance (several times slower on big data).
290 void gras_datadesc_cycle_set(gras_datadesc_type_t ddt)
296 * gras_datadesc_cycle_unset:
298 * Tell GRAS that the pointers of the type described by ddt do not present
299 * any loop and that cycle detection mechanism are not needed.
302 void gras_datadesc_cycle_unset(gras_datadesc_type_t ddt)
307 /** \brief Declare a new union description */
309 gras_datadesc_union(const char *name, gras_datadesc_type_cb_int_t selector)
312 gras_datadesc_type_t res;
315 XBT_IN("(%s)", name);
317 "Attempt to creat an union without field_count function");
319 res = gras_datadesc_by_name_or_null(name);
321 /* FIXME: Check that field redefinition matches */
322 xbt_assert(res->category_code == e_gras_datadesc_type_cat_union,
323 "Redefinition of type %s does not match", name);
324 xbt_assert(res->category.union_data.selector == selector,
325 "Redefinition of type %s does not match", name);
326 XBT_VERB("Discarding redefinition of %s", name);
330 res = gras_ddt_new(name);
332 for (arch = 0; arch < gras_arch_count; arch++) {
334 res->alignment[arch] = 0;
335 res->aligned_size[arch] = 0;
338 res->category_code = e_gras_datadesc_type_cat_union;
339 res->category.union_data.fields =
340 xbt_dynar_new(sizeof(gras_dd_cat_field_t *), gras_dd_cat_field_free);
341 res->category.union_data.selector = selector;
346 /** \brief Append a new field to an union description */
347 void gras_datadesc_union_append(gras_datadesc_type_t union_type,
349 gras_datadesc_type_t field_type)
352 gras_dd_cat_field_t field;
355 XBT_IN("(%s %s.%s;)", field_type->name, union_type->name, name);
356 xbt_assert(field_type->size[GRAS_THISARCH] >= 0,
357 "Cannot add a dynamically sized field in union %s",
360 if (union_type->category.union_data.closed) {
361 XBT_VERB("Ignoring request to add field to union %s (closed)",
366 field = xbt_new0(s_gras_dd_cat_field_t, 1);
368 field->name = (char *) strdup(name);
369 field->type = field_type;
370 /* All offset are left to 0 in an union */
372 xbt_dynar_push(union_type->category.union_data.fields, &field);
374 for (arch = 0; arch < gras_arch_count; arch++) {
375 union_type->size[arch] = max(union_type->size[arch],
376 field_type->size[arch]);
377 union_type->alignment[arch] = max(union_type->alignment[arch],
378 field_type->alignment[arch]);
379 union_type->aligned_size[arch] = ddt_aligned(union_type->size[arch],
380 union_type->alignment
386 /** \brief Close an union description
388 * No new field can be added afterward, and it is mandatory to close the union before using it.
390 void gras_datadesc_union_close(gras_datadesc_type_t union_type)
392 union_type->category.union_data.closed = 1;
395 /** \brief Copy a type under another name
397 * This may reveal useful to circumvent parsing macro limitations
400 gras_datadesc_copy(const char *name, gras_datadesc_type_t copied)
403 gras_datadesc_type_t res = gras_ddt_new(name);
404 char *name_cpy = res->name;
406 memcpy(res, copied, sizeof(s_gras_datadesc_type_t));
407 res->name = name_cpy;
411 /** \brief Declare a new type being a reference to the one passed in arg */
413 gras_datadesc_ref(const char *name, gras_datadesc_type_t referenced_type)
416 gras_datadesc_type_t res;
417 gras_datadesc_type_t pointer_type =
418 gras_datadesc_by_name("data pointer");
421 XBT_IN("(%s)", name);
422 res = gras_datadesc_by_name_or_null(name);
424 xbt_assert(res->category_code == e_gras_datadesc_type_cat_ref,
425 "Redefinition of %s does not match", name);
426 xbt_assert(res->category.ref_data.type == referenced_type,
427 "Redefinition of %s does not match", name);
428 xbt_assert(res->category.ref_data.selector == NULL,
429 "Redefinition of %s does not match", name);
430 XBT_DEBUG("Discarding redefinition of %s", name);
434 res = gras_ddt_new(name);
436 xbt_assert(pointer_type, "Cannot get the description of data pointer");
438 for (arch = 0; arch < gras_arch_count; arch++) {
439 res->size[arch] = pointer_type->size[arch];
440 res->alignment[arch] = pointer_type->alignment[arch];
441 res->aligned_size[arch] = pointer_type->aligned_size[arch];
444 res->category_code = e_gras_datadesc_type_cat_ref;
445 res->category.ref_data.type = referenced_type;
446 res->category.ref_data.selector = NULL;
451 /** \brief Declare a new type being a generic reference.
453 * The callback passed in argument is to be used to select which type is currently used.
454 * So, when GRAS wants to send a generic reference, it passes the current data to the selector
455 * callback and expects it to return the type description to use.
458 gras_datadesc_ref_generic(const char *name,
459 gras_datadesc_selector_t selector)
462 gras_datadesc_type_t res;
463 gras_datadesc_type_t pointer_type =
464 gras_datadesc_by_name("data pointer");
467 XBT_IN("(%s)", name);
468 res = gras_datadesc_by_name_or_null(name);
471 xbt_assert(res->category_code == e_gras_datadesc_type_cat_ref,
472 "Redefinition of type %s does not match", name);
473 xbt_assert(res->category.ref_data.type == NULL,
474 "Redefinition of type %s does not match", name);
475 xbt_assert(res->category.ref_data.selector == selector,
476 "Redefinition of type %s does not match", name);
477 XBT_VERB("Discarding redefinition of %s", name);
480 res = gras_ddt_new(name);
482 xbt_assert(pointer_type, "Cannot get the description of data pointer");
484 for (arch = 0; arch < gras_arch_count; arch++) {
485 res->size[arch] = pointer_type->size[arch];
486 res->alignment[arch] = pointer_type->alignment[arch];
487 res->aligned_size[arch] = pointer_type->aligned_size[arch];
490 res->category_code = e_gras_datadesc_type_cat_ref;
492 res->category.ref_data.type = NULL;
493 res->category.ref_data.selector = selector;
498 /** \brief Declare a new type being an array of fixed size and content */
500 gras_datadesc_array_fixed(const char *name,
501 gras_datadesc_type_t element_type,
505 gras_datadesc_type_t res;
508 XBT_IN("(%s)", name);
509 res = gras_datadesc_by_name_or_null(name);
511 xbt_assert(res->category_code == e_gras_datadesc_type_cat_array,
512 "Redefinition of type %s does not match", name);
514 if (res->category.array_data.type != element_type) {
516 ("Redefinition of type %s does not match: array elements differ",
518 gras_datadesc_type_dump(res->category.array_data.type);
519 gras_datadesc_type_dump(element_type);
522 xbt_assert(res->category.array_data.fixed_size == fixed_size,
523 "Redefinition of type %s does not match", name);
524 xbt_assert(res->category.array_data.dynamic_size == NULL,
525 "Redefinition of type %s does not match", name);
526 XBT_VERB("Discarding redefinition of %s", name);
530 res = gras_ddt_new(name);
532 xbt_assert(fixed_size >= 0, "'%s' is a array of negative fixed size",
534 for (arch = 0; arch < gras_arch_count; arch++) {
535 res->size[arch] = fixed_size * element_type->aligned_size[arch];
536 res->alignment[arch] = element_type->alignment[arch];
537 res->aligned_size[arch] = res->size[arch];
540 res->category_code = e_gras_datadesc_type_cat_array;
542 res->category.array_data.type = element_type;
543 res->category.array_data.fixed_size = fixed_size;
544 res->category.array_data.dynamic_size = NULL;
549 /** \brief Declare a new type being an array of fixed size, but accepting several content types. */
550 gras_datadesc_type_t gras_datadesc_array_dyn(const char *name,
553 gras_datadesc_type_cb_int_t
557 gras_datadesc_type_t res;
560 XBT_IN("(%s)", name);
561 xbt_assert(dynamic_size,
562 "'%s' is a dynamic array without size discriminant", name);
564 res = gras_datadesc_by_name_or_null(name);
566 xbt_assert(res->category_code == e_gras_datadesc_type_cat_array,
567 "Redefinition of type %s does not match", name);
568 xbt_assert(res->category.array_data.type == element_type,
569 "Redefinition of type %s does not match", name);
570 xbt_assert(res->category.array_data.fixed_size == -1,
571 "Redefinition of type %s does not match", name);
572 xbt_assert(res->category.array_data.dynamic_size == dynamic_size,
573 "Redefinition of type %s does not match", name);
574 XBT_VERB("Discarding redefinition of %s", name);
579 res = gras_ddt_new(name);
581 for (arch = 0; arch < gras_arch_count; arch++) {
582 res->size[arch] = 0; /* make sure it indicates "dynamic" */
583 res->alignment[arch] = element_type->alignment[arch];
584 res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid */
587 res->category_code = e_gras_datadesc_type_cat_array;
589 res->category.array_data.type = element_type;
590 res->category.array_data.fixed_size = -1;
591 res->category.array_data.dynamic_size = dynamic_size;
596 /** \brief Declare a new type being an array which size can be found with \ref gras_cbps_i_pop
598 * Most of the time, you want to include a reference in your structure which
599 * is a pointer to a dynamic array whose size is fixed by another field of
602 * This case pops up so often that this function was created to take care of
603 * this case. It creates a dynamic array type whose size is poped from the
604 * current cbps, and then create a reference to it.
606 * The name of the created datatype will be the name of the element type, with
607 * '[]*' appended to it.
609 * Then to use it, you just have to make sure that your structure pre-callback
610 * does push the size of the array in the cbps (using #gras_cbps_i_push), and
613 * But be remember that this is a stack. If you have two different pop_arr, you
614 * should push the second one first, so that the first one is on the top of the
615 * list when the first field gets transfered.
619 gras_datadesc_ref_pop_arr(gras_datadesc_type_t element_type)
622 gras_datadesc_type_t res, ddt2;
623 char *name = (char *) xbt_malloc(strlen(element_type->name) + 4);
625 sprintf(name, "%s[]", element_type->name);
626 /* Make sure we are not trying to redefine a ddt with the same name */
627 ddt2 = gras_datadesc_by_name_or_null(name);
631 name = bprintf("%s[]_%d", element_type->name, cpt++);
632 ddt2 = gras_datadesc_by_name_or_null(name);
635 res = gras_datadesc_array_dyn(name, element_type, gras_datadesc_cb_pop);
637 sprintf(name, "%s[]*", element_type->name);
639 ddt2 = gras_datadesc_by_name_or_null(name);
642 name = bprintf("%s[]*_%d", element_type->name, cpt++);
643 ddt2 = gras_datadesc_by_name_or_null(name);
646 res = gras_datadesc_ref(name, res);
655 *## Constructor of container datatypes
659 static void gras_datadesc_dynar_cb(gras_datadesc_type_t typedesc,
660 gras_cbps_t vars, void *data)
662 gras_datadesc_type_t subtype;
663 xbt_dynar_t dynar = (xbt_dynar_t) data;
665 memcpy(&dynar->free_f, &typedesc->extra, sizeof(dynar->free_f));
667 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
668 subtype = gras_dd_find_field(typedesc, "data")->type;
670 /* this is now a ref to array of what we're looking for */
671 subtype = subtype->category.ref_data.type;
672 subtype = subtype->category.array_data.type;
674 XBT_DEBUG("subtype is %s", subtype->name);
676 dynar->elmsize = subtype->size[GRAS_THISARCH];
677 dynar->size = dynar->used;
681 /** \brief Declare a new type being a dynar in which each elements are of the given type
683 * The type gets registered under the name "dynar(%s)_s", where %s is the name of the subtype.
684 * For example, a dynar of doubles will be called "dynar(double)_s" and a dynar of dynar of
685 * strings will be called "dynar(dynar(string)_s)_s".
687 * \param elm_t: the datadesc of the elements
688 * \param free_func: the function to use to free the elements when the dynar gets freed
691 gras_datadesc_dynar(gras_datadesc_type_t elm_t, void_f_pvoid_t free_func)
695 gras_datadesc_type_t res;
697 buffname = bprintf("s_xbt_dynar_of_%s", elm_t->name);
699 res = gras_datadesc_struct(buffname);
701 gras_datadesc_struct_append(res, "size",
702 gras_datadesc_by_name("unsigned long int"));
704 gras_datadesc_struct_append(res, "used",
705 gras_datadesc_by_name("unsigned long int"));
707 gras_datadesc_struct_append(res, "elmsize",
708 gras_datadesc_by_name("unsigned long int"));
710 gras_datadesc_struct_append(res, "data",
711 gras_datadesc_ref_pop_arr(elm_t));
713 gras_datadesc_struct_append(res, "free_f",
714 gras_datadesc_by_name("function pointer"));
715 memcpy(res->extra, &free_func, sizeof(free_func));
717 gras_datadesc_struct_append(res, "mutex",
718 gras_datadesc_by_name("data pointer"));
720 gras_datadesc_struct_close(res);
722 gras_datadesc_cb_field_push(res, "used");
723 gras_datadesc_cb_recv(res, &gras_datadesc_dynar_cb);
725 /* build a ref to it */
727 buffname = bprintf("xbt_dynar_of_%s", elm_t->name);
728 res = gras_datadesc_ref(buffname, res);
733 #include "xbt/matrix.h"
734 static void gras_datadesc_matrix_cb(gras_datadesc_type_t typedesc,
735 gras_cbps_t vars, void *data)
737 gras_datadesc_type_t subtype;
738 xbt_matrix_t matrix = (xbt_matrix_t) data;
740 memcpy(&matrix->free_f, &typedesc->extra, sizeof(matrix->free_f));
742 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
743 subtype = gras_dd_find_field(typedesc, "data")->type;
745 /* this is now a ref to array of what we're looking for */
746 subtype = subtype->category.ref_data.type;
747 subtype = subtype->category.array_data.type;
749 XBT_DEBUG("subtype is %s", subtype->name);
751 matrix->elmsize = subtype->size[GRAS_THISARCH];
755 gras_datadesc_matrix(gras_datadesc_type_t elm_t,
756 void_f_pvoid_t const free_f)
759 gras_datadesc_type_t res;
761 buffname = bprintf("s_xbt_matrix_t(%s)", elm_t->name);
762 res = gras_datadesc_struct(buffname);
764 gras_datadesc_struct_append(res, "lines",
765 gras_datadesc_by_name("unsigned int"));
766 gras_datadesc_struct_append(res, "rows",
767 gras_datadesc_by_name("unsigned int"));
769 gras_datadesc_struct_append(res, "elmsize",
770 gras_datadesc_by_name("unsigned long int"));
772 gras_datadesc_struct_append(res, "data",
773 gras_datadesc_ref_pop_arr(elm_t));
774 gras_datadesc_struct_append(res, "free_f",
775 gras_datadesc_by_name("function pointer"));
776 gras_datadesc_struct_close(res);
778 gras_datadesc_cb_field_push(res, "lines");
779 gras_datadesc_cb_field_push_multiplier(res, "rows");
781 gras_datadesc_cb_recv(res, &gras_datadesc_matrix_cb);
782 memcpy(res->extra, &free_f, sizeof(free_f));
784 /* build a ref to it */
786 buffname = bprintf("xbt_matrix_t(%s)", elm_t->name);
787 res = gras_datadesc_ref(buffname, res);
793 gras_datadesc_import_nws(const char *name,
794 const DataDescriptor * desc,
795 unsigned long howmany)
801 * (useful to push the sizes of the upcoming arrays, for example)
803 void gras_datadesc_cb_send(gras_datadesc_type_t type,
804 gras_datadesc_type_cb_void_t send)
810 * (useful to put the function pointers to the rigth value, for example)
812 void gras_datadesc_cb_recv(gras_datadesc_type_t type,
813 gras_datadesc_type_cb_void_t recv)
819 * gras_dd_find_field:
821 * Returns the type descriptor of the given field. Abort on error.
823 static gras_dd_cat_field_t
824 gras_dd_find_field(gras_datadesc_type_t type, const char *field_name)
826 xbt_dynar_t field_array;
828 gras_dd_cat_field_t field = NULL;
829 unsigned int field_num;
831 if (type->category_code == e_gras_datadesc_type_cat_union) {
832 field_array = type->category.union_data.fields;
833 } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
834 field_array = type->category.struct_data.fields;
836 XBT_ERROR("%s (%p) is not a struct nor an union. There is no field.",
837 type->name, (void *) type);
840 xbt_dynar_foreach(field_array, field_num, field) {
841 if (!strcmp(field_name, field->name)) {
845 XBT_ERROR("No field named '%s' in '%s'", field_name, type->name);
851 * The given datadesc must be a struct or union (abort if not).
852 * (useful to push the sizes of the upcoming arrays, for example)
854 void gras_datadesc_cb_field_send(gras_datadesc_type_t type,
855 const char *field_name,
856 gras_datadesc_type_cb_void_t send)
859 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
865 * The value, which must be an int, unsigned int, long int or unsigned long int
866 * is pushed to the stacks of sizes and can then be retrieved with
867 * \ref gras_datadesc_ref_pop_arr or directly with \ref gras_cbps_i_pop.
869 void gras_datadesc_cb_field_push(gras_datadesc_type_t type,
870 const char *field_name)
873 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
874 gras_datadesc_type_t sub_type = field->type;
876 XBT_DEBUG("add a PUSHy cb to '%s' field (type '%s') of '%s'",
877 field_name, sub_type->name, type->name);
878 if (!strcmp("int", sub_type->name)) {
879 field->send = gras_datadesc_cb_push_int;
880 } else if (!strcmp("unsigned int", sub_type->name)) {
881 field->send = gras_datadesc_cb_push_uint;
882 } else if (!strcmp("long int", sub_type->name)) {
883 field->send = gras_datadesc_cb_push_lint;
884 } else if (!strcmp("unsigned long int", sub_type->name)) {
885 field->send = gras_datadesc_cb_push_ulint;
888 ("Field %s is not an int, unsigned int, long int neither unsigned long int",
895 * Any previously pushed value is poped and the field value is multiplied to
896 * it. The result is then pushed back into the stack of sizes. It can then be
897 * retrieved with \ref gras_datadesc_ref_pop_arr or directly with \ref
900 * The field must be an int, unsigned int, long int or unsigned long int.
902 void gras_datadesc_cb_field_push_multiplier(gras_datadesc_type_t type,
903 const char *field_name)
906 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
907 gras_datadesc_type_t sub_type = field->type;
909 XBT_DEBUG("add a MPUSHy cb to '%s' field (type '%s') of '%s'",
910 field_name, sub_type->name, type->name);
911 if (!strcmp("int", sub_type->name)) {
912 field->send = gras_datadesc_cb_push_int_mult;
913 } else if (!strcmp("unsigned int", sub_type->name)) {
914 field->send = gras_datadesc_cb_push_uint_mult;
915 } else if (!strcmp("long int", sub_type->name)) {
916 field->send = gras_datadesc_cb_push_lint_mult;
917 } else if (!strcmp("unsigned long int", sub_type->name)) {
918 field->send = gras_datadesc_cb_push_ulint_mult;
921 ("Field %s is not an int, unsigned int, long int neither unsigned long int",
928 * The given datadesc must be a struct or union (abort if not).
929 * (useful to put the function pointers to the right value, for example)
931 void gras_datadesc_cb_field_recv(gras_datadesc_type_t type,
932 const char *field_name,
933 gras_datadesc_type_cb_void_t recv)
936 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
941 * Free a datadesc. Should only be called at xbt_exit.
943 void gras_datadesc_free(gras_datadesc_type_t * type)
946 XBT_DEBUG("Let's free ddt %s", (*type)->name);
948 switch ((*type)->category_code) {
949 case e_gras_datadesc_type_cat_scalar:
950 case e_gras_datadesc_type_cat_ref:
951 case e_gras_datadesc_type_cat_array:
952 /* nothing to free in there */
955 case e_gras_datadesc_type_cat_struct:
956 xbt_dynar_free(&((*type)->category.struct_data.fields));
959 case e_gras_datadesc_type_cat_union:
960 xbt_dynar_free(&((*type)->category.union_data.fields));
964 /* datadesc was invalid. Killing it is like euthanasy, I guess */
973 * gras_datadesc_type_cmp:
975 * Compares two datadesc types with the same semantic than strcmp.
977 * This comparison does not take the set headers into account (name and ID),
978 * but only the payload (actual type description).
980 int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
981 const gras_datadesc_type_t d2)
985 gras_dd_cat_field_t field1, field2;
986 gras_datadesc_type_t field_desc_1, field_desc_2;
989 return 0; /* easy optimization */
992 XBT_DEBUG("ddt_cmp: !d1 && d2 => 1");
996 XBT_DEBUG("ddt_cmp: !d1 && !d2 => 0");
1000 XBT_DEBUG("ddt_cmp: d1 && !d2 => -1");
1004 for (cpt = 0; cpt < gras_arch_count; cpt++) {
1005 if (d1->size[cpt] != d2->size[cpt]) {
1006 XBT_DEBUG("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
1007 d1->name, d1->size[cpt], d2->name, d2->size[cpt],
1008 gras_arches[cpt].name);
1009 return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
1012 if (d1->alignment[cpt] != d2->alignment[cpt]) {
1013 XBT_DEBUG("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
1014 d1->name, d1->alignment[cpt], d2->name, d2->alignment[cpt],
1015 gras_arches[cpt].name);
1016 return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
1019 if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
1021 ("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
1022 d1->name, d1->aligned_size[cpt], d2->name,
1023 d2->aligned_size[cpt], gras_arches[cpt].name);
1024 return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
1028 if (d1->category_code != d2->category_code) {
1029 XBT_DEBUG("ddt_cmp: %s->cat=%s != %s->cat=%s",
1030 d1->name, gras_datadesc_cat_names[d1->category_code],
1031 d2->name, gras_datadesc_cat_names[d2->category_code]);
1032 return d1->category_code > d2->category_code ? 1 : -1;
1035 if (d1->send != d2->send) {
1036 XBT_DEBUG("ddt_cmp: %s->send=%p != %s->send=%p",
1037 d1->name, (void *) d1->send, d2->name, (void *) d2->send);
1038 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1041 if (d1->recv != d2->recv) {
1042 XBT_DEBUG("ddt_cmp: %s->recv=%p != %s->recv=%p",
1043 d1->name, (void *) d1->recv, d2->name, (void *) d2->recv);
1044 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1047 switch (d1->category_code) {
1048 case e_gras_datadesc_type_cat_scalar:
1049 if (d1->category.scalar_data.encoding !=
1050 d2->category.scalar_data.encoding)
1051 return d1->category.scalar_data.encoding >
1052 d2->category.scalar_data.encoding ? 1 : -1;
1055 case e_gras_datadesc_type_cat_struct:
1056 if (xbt_dynar_length(d1->category.struct_data.fields) !=
1057 xbt_dynar_length(d2->category.struct_data.fields)) {
1058 XBT_DEBUG("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
1059 d1->name, xbt_dynar_length(d1->category.struct_data.fields),
1060 d2->name, xbt_dynar_length(d2->category.struct_data.fields));
1062 return xbt_dynar_length(d1->category.struct_data.fields) >
1063 xbt_dynar_length(d2->category.struct_data.fields) ? 1 : -1;
1065 xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
1068 xbt_dynar_get_as(d2->category.struct_data.fields, cpt,
1069 gras_dd_cat_field_t);
1070 field_desc_1 = field1->type;
1071 field_desc_2 = field2->type;
1072 ret = gras_datadesc_type_cmp(field_desc_1, field_desc_2);
1074 XBT_DEBUG("%s->field[%d]=%s != %s->field[%d]=%s",
1075 d1->name, cpt, field1->name, d2->name, cpt, field2->name);
1082 case e_gras_datadesc_type_cat_union:
1083 if (d1->category.union_data.selector !=
1084 d2->category.union_data.selector)
1085 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1087 if (xbt_dynar_length(d1->category.union_data.fields) !=
1088 xbt_dynar_length(d2->category.union_data.fields))
1089 return xbt_dynar_length(d1->category.union_data.fields) >
1090 xbt_dynar_length(d2->category.union_data.fields) ? 1 : -1;
1092 xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
1095 xbt_dynar_get_as(d2->category.union_data.fields, cpt,
1096 gras_dd_cat_field_t);
1097 field_desc_1 = field1->type;
1098 field_desc_2 = field2->type;
1099 ret = gras_datadesc_type_cmp(field_desc_1, field_desc_2);
1107 case e_gras_datadesc_type_cat_ref:
1108 if (d1->category.ref_data.selector != d2->category.ref_data.selector)
1109 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1111 if (d1->category.ref_data.type != d2->category.ref_data.type)
1112 return d1->category.ref_data.type >
1113 d2->category.ref_data.type ? 1 : -1;
1116 case e_gras_datadesc_type_cat_array:
1117 if (d1->category.array_data.type != d2->category.array_data.type)
1118 return d1->category.array_data.type >
1119 d2->category.array_data.type ? 1 : -1;
1121 if (d1->category.array_data.fixed_size !=
1122 d2->category.array_data.fixed_size)
1123 return d1->category.array_data.fixed_size >
1124 d2->category.array_data.fixed_size ? 1 : -1;
1126 if (d1->category.array_data.dynamic_size !=
1127 d2->category.array_data.dynamic_size)
1128 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1133 /* two stupidly created ddt are equally stupid ;) */