3 /* ddt_new - creation/deletion of datatypes structs (private to this module)*/
5 /* Copyright (c) 2003-2009 The SimGrid Team. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "xbt/misc.h" /* min()/max() */
12 #include "gras/DataDesc/datadesc_private.h"
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_create, gras_ddt,
15 "Creating new datadescriptions");
18 static gras_dd_cat_field_t
19 gras_dd_find_field(gras_datadesc_type_t type, const char *field_name);
23 * gime that memory back, dude. I mean it.
25 void gras_ddt_freev(void *ddt)
27 gras_datadesc_type_t type = (gras_datadesc_type_t) ddt;
30 gras_datadesc_free(&type);
34 static gras_datadesc_type_t gras_ddt_new(const char *name)
36 gras_datadesc_type_t res;
38 XBT_IN1("(%s)", name);
39 res = xbt_new0(s_gras_datadesc_type_t, 1);
41 res->name = (char *) strdup(name);
42 res->name_len = strlen(name);
45 xbt_set_add(gras_datadesc_set_local, (xbt_set_elm_t) res, gras_ddt_freev);
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 THROW1(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, code);
101 if (e.category != not_found_error)
110 * Create a new scalar and give a pointer to it
113 gras_datadesc_scalar(const char *name,
114 gras_ddt_scalar_type_t type,
115 enum e_gras_dd_scalar_encoding encoding)
118 gras_datadesc_type_t res;
122 res = gras_datadesc_by_name_or_null(name);
124 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_scalar,
125 "Redefinition of type %s does not match", name);
126 xbt_assert1(res->category.scalar_data.encoding == encoding,
127 "Redefinition of type %s does not match", name);
128 xbt_assert1(res->category.scalar_data.type == type,
129 "Redefinition of type %s does not match", name);
130 VERB1("Discarding redefinition of %s", name);
133 res = gras_ddt_new(name);
135 for (arch = 0; arch < gras_arch_count; arch++) {
136 res->size[arch] = gras_arches[arch].sizeofs[type];
137 res->alignment[arch] = gras_arches[arch].boundaries[type];
138 res->aligned_size[arch] =
139 ddt_aligned(res->size[arch], res->alignment[arch]);
142 res->category_code = e_gras_datadesc_type_cat_scalar;
143 res->category.scalar_data.encoding = encoding;
144 res->category.scalar_data.type = type;
151 /** Frees one struct or union field */
152 void gras_dd_cat_field_free(void *f)
154 gras_dd_cat_field_t field = *(gras_dd_cat_field_t *) f;
164 /** \brief Declare a new structure description */
165 gras_datadesc_type_t gras_datadesc_struct(const char *name)
168 gras_datadesc_type_t res;
171 XBT_IN1("(%s)", name);
172 res = gras_datadesc_by_name_or_null(name);
174 /* FIXME: Check that field redefinition matches */
175 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_struct,
176 "Redefinition of type %s does not match", name);
177 VERB1("Discarding redefinition of %s", name);
180 res = gras_ddt_new(name);
182 for (arch = 0; arch < gras_arch_count; arch++) {
184 res->alignment[arch] = 0;
185 res->aligned_size[arch] = 0;
187 res->category_code = e_gras_datadesc_type_cat_struct;
188 res->category.struct_data.fields =
189 xbt_dynar_new(sizeof(gras_dd_cat_field_t), gras_dd_cat_field_free);
195 /** \brief Append a new field to a structure description */
197 gras_datadesc_struct_append(gras_datadesc_type_t struct_type,
198 const char *name, gras_datadesc_type_t field_type)
201 gras_dd_cat_field_t field;
204 xbt_assert2(field_type,
205 "Cannot add the field '%s' into struct '%s': its type is NULL",
206 name, struct_type->name);
207 XBT_IN3("(%s %s.%s;)", field_type->name, struct_type->name, name);
208 if (struct_type->category.struct_data.closed) {
210 ("Ignoring request to add field to struct %s (closed. Redefinition?)",
215 xbt_assert1(field_type->size[GRAS_THISARCH] >= 0,
216 "Cannot add a dynamically sized field in structure %s",
219 field = xbt_new(s_gras_dd_cat_field_t, 1);
220 field->name = (char *) strdup(name);
222 DEBUG0("----------------");
223 DEBUG3("PRE s={size=%ld,align=%ld,asize=%ld}",
224 struct_type->size[GRAS_THISARCH],
225 struct_type->alignment[GRAS_THISARCH],
226 struct_type->aligned_size[GRAS_THISARCH]);
229 for (arch = 0; arch < gras_arch_count; arch++) {
230 field->offset[arch] = ddt_aligned(struct_type->size[arch],
231 field_type->alignment[arch]);
233 struct_type->size[arch] = field->offset[arch] + field_type->size[arch];
234 struct_type->alignment[arch] = max(struct_type->alignment[arch],
235 field_type->alignment[arch]);
236 struct_type->aligned_size[arch] = ddt_aligned(struct_type->size[arch],
237 struct_type->alignment
240 field->type = field_type;
244 xbt_dynar_push(struct_type->category.struct_data.fields, &field);
246 DEBUG3("Push a %s into %s at offset %ld.",
247 field_type->name, struct_type->name, field->offset[GRAS_THISARCH]);
248 DEBUG3(" f={size=%ld,align=%ld,asize=%ld}",
249 field_type->size[GRAS_THISARCH],
250 field_type->alignment[GRAS_THISARCH],
251 field_type->aligned_size[GRAS_THISARCH]);
252 DEBUG3(" s={size=%ld,align=%ld,asize=%ld}",
253 struct_type->size[GRAS_THISARCH],
254 struct_type->alignment[GRAS_THISARCH],
255 struct_type->aligned_size[GRAS_THISARCH]);
259 /** \brief Close a structure description
261 * No new field can be added afterward, and it is mandatory to close the structure before using it.
263 void gras_datadesc_struct_close(gras_datadesc_type_t struct_type)
267 struct_type->category.struct_data.closed = 1;
268 for (arch = 0; arch < gras_arch_count; arch++) {
269 struct_type->size[arch] = struct_type->aligned_size[arch];
271 DEBUG4("structure %s closed. size=%ld,align=%ld,asize=%ld",
273 struct_type->size[GRAS_THISARCH],
274 struct_type->alignment[GRAS_THISARCH],
275 struct_type->aligned_size[GRAS_THISARCH]);
279 * gras_datadesc_cycle_set:
281 * Tell GRAS that the pointers of the type described by ddt may present
282 * some loop, and that the cycle detection mechanism is needed.
284 * Note that setting this option when not needed have a rather bad effect
285 * on the performance (several times slower on big data).
287 void gras_datadesc_cycle_set(gras_datadesc_type_t ddt)
293 * gras_datadesc_cycle_unset:
295 * Tell GRAS that the pointers of the type described by ddt do not present
296 * any loop and that cycle detection mechanism are not needed.
299 void gras_datadesc_cycle_unset(gras_datadesc_type_t ddt)
304 /** \brief Declare a new union description */
306 gras_datadesc_union(const char *name, gras_datadesc_type_cb_int_t selector)
309 gras_datadesc_type_t res;
312 XBT_IN1("(%s)", name);
313 xbt_assert0(selector,
314 "Attempt to creat an union without field_count function");
316 res = gras_datadesc_by_name_or_null(name);
318 /* FIXME: Check that field redefinition matches */
319 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_union,
320 "Redefinition of type %s does not match", name);
321 xbt_assert1(res->category.union_data.selector == selector,
322 "Redefinition of type %s does not match", name);
323 VERB1("Discarding redefinition of %s", name);
327 res = gras_ddt_new(name);
329 for (arch = 0; arch < gras_arch_count; arch++) {
331 res->alignment[arch] = 0;
332 res->aligned_size[arch] = 0;
335 res->category_code = e_gras_datadesc_type_cat_union;
336 res->category.union_data.fields =
337 xbt_dynar_new(sizeof(gras_dd_cat_field_t *), gras_dd_cat_field_free);
338 res->category.union_data.selector = selector;
343 /** \brief Append a new field to an union description */
344 void gras_datadesc_union_append(gras_datadesc_type_t union_type,
346 gras_datadesc_type_t field_type)
349 gras_dd_cat_field_t field;
352 XBT_IN3("(%s %s.%s;)", field_type->name, union_type->name, name);
353 xbt_assert1(field_type->size[GRAS_THISARCH] >= 0,
354 "Cannot add a dynamically sized field in union %s",
357 if (union_type->category.union_data.closed) {
358 VERB1("Ignoring request to add field to union %s (closed)",
363 field = xbt_new0(s_gras_dd_cat_field_t, 1);
365 field->name = (char *) strdup(name);
366 field->type = field_type;
367 /* All offset are left to 0 in an union */
369 xbt_dynar_push(union_type->category.union_data.fields, &field);
371 for (arch = 0; arch < gras_arch_count; arch++) {
372 union_type->size[arch] = max(union_type->size[arch],
373 field_type->size[arch]);
374 union_type->alignment[arch] = max(union_type->alignment[arch],
375 field_type->alignment[arch]);
376 union_type->aligned_size[arch] = ddt_aligned(union_type->size[arch],
377 union_type->alignment[arch]);
382 /** \brief Close an union description
384 * No new field can be added afterward, and it is mandatory to close the union before using it.
386 void gras_datadesc_union_close(gras_datadesc_type_t union_type)
388 union_type->category.union_data.closed = 1;
391 /** \brief Copy a type under another name
393 * This may reveal useful to circumvent parsing macro limitations
396 gras_datadesc_copy(const char *name, gras_datadesc_type_t copied)
399 gras_datadesc_type_t res = gras_ddt_new(name);
400 char *name_cpy = res->name;
402 memcpy(res, copied, sizeof(s_gras_datadesc_type_t));
403 res->name = name_cpy;
407 /** \brief Declare a new type being a reference to the one passed in arg */
409 gras_datadesc_ref(const char *name, gras_datadesc_type_t referenced_type)
412 gras_datadesc_type_t res;
413 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
416 XBT_IN1("(%s)", name);
417 res = gras_datadesc_by_name_or_null(name);
419 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
420 "Redefinition of %s does not match", name);
421 xbt_assert1(res->category.ref_data.type == referenced_type,
422 "Redefinition of %s does not match", name);
423 xbt_assert1(res->category.ref_data.selector == NULL,
424 "Redefinition of %s does not match", name);
425 VERB1("Discarding redefinition of %s", name);
429 res = gras_ddt_new(name);
431 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
433 for (arch = 0; arch < gras_arch_count; arch++) {
434 res->size[arch] = pointer_type->size[arch];
435 res->alignment[arch] = pointer_type->alignment[arch];
436 res->aligned_size[arch] = pointer_type->aligned_size[arch];
439 res->category_code = e_gras_datadesc_type_cat_ref;
440 res->category.ref_data.type = referenced_type;
441 res->category.ref_data.selector = NULL;
446 /** \brief Declare a new type being a generic reference.
448 * The callback passed in argument is to be used to select which type is currently used.
449 * So, when GRAS wants to send a generic reference, it passes the current data to the selector
450 * callback and expects it to return the type description to use.
453 gras_datadesc_ref_generic(const char *name, gras_datadesc_selector_t selector)
456 gras_datadesc_type_t res;
457 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
460 XBT_IN1("(%s)", name);
461 res = gras_datadesc_by_name_or_null(name);
464 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
465 "Redefinition of type %s does not match", name);
466 xbt_assert1(res->category.ref_data.type == NULL,
467 "Redefinition of type %s does not match", name);
468 xbt_assert1(res->category.ref_data.selector == selector,
469 "Redefinition of type %s does not match", name);
470 VERB1("Discarding redefinition of %s", name);
473 res = gras_ddt_new(name);
475 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
477 for (arch = 0; arch < gras_arch_count; arch++) {
478 res->size[arch] = pointer_type->size[arch];
479 res->alignment[arch] = pointer_type->alignment[arch];
480 res->aligned_size[arch] = pointer_type->aligned_size[arch];
483 res->category_code = e_gras_datadesc_type_cat_ref;
485 res->category.ref_data.type = NULL;
486 res->category.ref_data.selector = selector;
491 /** \brief Declare a new type being an array of fixed size and content */
493 gras_datadesc_array_fixed(const char *name,
494 gras_datadesc_type_t element_type,
498 gras_datadesc_type_t res;
501 XBT_IN1("(%s)", name);
502 res = gras_datadesc_by_name_or_null(name);
504 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
505 "Redefinition of type %s does not match", name);
507 if (res->category.array_data.type != element_type) {
508 ERROR1("Redefinition of type %s does not match: array elements differ",
510 gras_datadesc_type_dump(res->category.array_data.type);
511 gras_datadesc_type_dump(element_type);
514 xbt_assert1(res->category.array_data.fixed_size == fixed_size,
515 "Redefinition of type %s does not match", name);
516 xbt_assert1(res->category.array_data.dynamic_size == NULL,
517 "Redefinition of type %s does not match", name);
518 VERB1("Discarding redefinition of %s", name);
522 res = gras_ddt_new(name);
524 xbt_assert1(fixed_size >= 0, "'%s' is a array of negative fixed size",
526 for (arch = 0; arch < gras_arch_count; arch++) {
527 res->size[arch] = fixed_size * element_type->aligned_size[arch];
528 res->alignment[arch] = element_type->alignment[arch];
529 res->aligned_size[arch] = res->size[arch];
532 res->category_code = e_gras_datadesc_type_cat_array;
534 res->category.array_data.type = element_type;
535 res->category.array_data.fixed_size = fixed_size;
536 res->category.array_data.dynamic_size = NULL;
541 /** \brief Declare a new type being an array of fixed size, but accepting several content types. */
542 gras_datadesc_type_t gras_datadesc_array_dyn(const char *name,
545 gras_datadesc_type_cb_int_t
549 gras_datadesc_type_t res;
552 XBT_IN1("(%s)", name);
553 xbt_assert1(dynamic_size,
554 "'%s' is a dynamic array without size discriminant", name);
556 res = gras_datadesc_by_name_or_null(name);
558 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
559 "Redefinition of type %s does not match", name);
560 xbt_assert1(res->category.array_data.type == element_type,
561 "Redefinition of type %s does not match", name);
562 xbt_assert1(res->category.array_data.fixed_size == -1,
563 "Redefinition of type %s does not match", name);
564 xbt_assert1(res->category.array_data.dynamic_size == dynamic_size,
565 "Redefinition of type %s does not match", name);
566 VERB1("Discarding redefinition of %s", name);
571 res = gras_ddt_new(name);
573 for (arch = 0; arch < gras_arch_count; arch++) {
574 res->size[arch] = 0; /* make sure it indicates "dynamic" */
575 res->alignment[arch] = element_type->alignment[arch];
576 res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid */
579 res->category_code = e_gras_datadesc_type_cat_array;
581 res->category.array_data.type = element_type;
582 res->category.array_data.fixed_size = -1;
583 res->category.array_data.dynamic_size = dynamic_size;
588 /** \brief Declare a new type being an array which size can be found with \ref gras_cbps_i_pop
590 * Most of the time, you want to include a reference in your structure which
591 * is a pointer to a dynamic array whose size is fixed by another field of
594 * This case pops up so often that this function was created to take care of
595 * this case. It creates a dynamic array type whose size is poped from the
596 * current cbps, and then create a reference to it.
598 * The name of the created datatype will be the name of the element type, with
599 * '[]*' appended to it.
601 * Then to use it, you just have to make sure that your structure pre-callback
602 * does push the size of the array in the cbps (using #gras_cbps_i_push), and
605 * But be remember that this is a stack. If you have two different pop_arr, you
606 * should push the second one first, so that the first one is on the top of the
607 * list when the first field gets transfered.
611 gras_datadesc_ref_pop_arr(gras_datadesc_type_t element_type)
614 gras_datadesc_type_t res;
615 char *name = (char *) xbt_malloc(strlen(element_type->name) + 4);
617 sprintf(name, "%s[]", element_type->name);
619 res = gras_datadesc_array_dyn(name, element_type, gras_datadesc_cb_pop);
621 sprintf(name, "%s[]*", element_type->name);
622 res = gras_datadesc_ref(name, res);
631 *## Constructor of container datatypes
635 #include "xbt/dynar_private.h"
636 static void gras_datadesc_dynar_cb(gras_datadesc_type_t typedesc,
637 gras_cbps_t vars, void *data)
639 gras_datadesc_type_t subtype;
640 xbt_dynar_t dynar = (xbt_dynar_t) data;
642 memcpy(&dynar->free_f, &typedesc->extra, sizeof(dynar->free_f));
644 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
645 subtype = gras_dd_find_field(typedesc, "data")->type;
647 /* this is now a ref to array of what we're looking for */
648 subtype = subtype->category.ref_data.type;
649 subtype = subtype->category.array_data.type;
651 DEBUG1("subtype is %s", subtype->name);
653 dynar->elmsize = subtype->size[GRAS_THISARCH];
654 dynar->size = dynar->used;
658 /** \brief Declare a new type being a dynar in which each elements are of the given type
660 * The type gets registered under the name "dynar(%s)_s", where %s is the name of the subtype.
661 * For example, a dynar of doubles will be called "dynar(double)_s" and a dynar of dynar of
662 * strings will be called "dynar(dynar(string)_s)_s".
664 * \param elm_t: the datadesc of the elements
665 * \param free_func: the function to use to free the elements when the dynar gets freed
668 gras_datadesc_dynar(gras_datadesc_type_t elm_t, void_f_pvoid_t free_func)
672 gras_datadesc_type_t res;
674 asprintf(&buffname, "s_xbt_dynar_of_%s", elm_t->name);
676 res = gras_datadesc_struct(buffname);
678 gras_datadesc_struct_append(res, "size",
679 gras_datadesc_by_name("unsigned long int"));
681 gras_datadesc_struct_append(res, "used",
682 gras_datadesc_by_name("unsigned long int"));
684 gras_datadesc_struct_append(res, "elmsize",
685 gras_datadesc_by_name("unsigned long int"));
687 gras_datadesc_struct_append(res, "data", gras_datadesc_ref_pop_arr(elm_t));
689 gras_datadesc_struct_append(res, "free_f",
690 gras_datadesc_by_name("function pointer"));
691 memcpy(res->extra, &free_func, sizeof(free_func));
693 gras_datadesc_struct_append(res, "mutex",
694 gras_datadesc_by_name("data pointer"));
696 gras_datadesc_struct_close(res);
698 gras_datadesc_cb_field_push(res, "used");
699 gras_datadesc_cb_recv(res, &gras_datadesc_dynar_cb);
701 /* build a ref to it */
703 asprintf(&buffname, "xbt_dynar_of_%s", elm_t->name);
704 res = gras_datadesc_ref(buffname, res);
709 #include "xbt/matrix.h"
710 static void gras_datadesc_matrix_cb(gras_datadesc_type_t typedesc,
711 gras_cbps_t vars, void *data)
713 gras_datadesc_type_t subtype;
714 xbt_matrix_t matrix = (xbt_matrix_t) data;
716 memcpy(&matrix->free_f, &typedesc->extra, sizeof(matrix->free_f));
718 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
719 subtype = gras_dd_find_field(typedesc, "data")->type;
721 /* this is now a ref to array of what we're looking for */
722 subtype = subtype->category.ref_data.type;
723 subtype = subtype->category.array_data.type;
725 DEBUG1("subtype is %s", subtype->name);
727 matrix->elmsize = subtype->size[GRAS_THISARCH];
731 gras_datadesc_matrix(gras_datadesc_type_t elm_t, void_f_pvoid_t const free_f)
734 gras_datadesc_type_t res;
736 asprintf(&buffname, "s_xbt_matrix_t(%s)", elm_t->name);
737 res = gras_datadesc_struct(buffname);
739 gras_datadesc_struct_append(res, "lines",
740 gras_datadesc_by_name("unsigned int"));
741 gras_datadesc_struct_append(res, "rows",
742 gras_datadesc_by_name("unsigned int"));
744 gras_datadesc_struct_append(res, "elmsize",
745 gras_datadesc_by_name("unsigned long int"));
747 gras_datadesc_struct_append(res, "data", gras_datadesc_ref_pop_arr(elm_t));
748 gras_datadesc_struct_append(res, "free_f",
749 gras_datadesc_by_name("function pointer"));
750 gras_datadesc_struct_close(res);
752 gras_datadesc_cb_field_push(res, "lines");
753 gras_datadesc_cb_field_push_multiplier(res, "rows");
755 gras_datadesc_cb_recv(res, &gras_datadesc_matrix_cb);
756 memcpy(res->extra, &free_f, sizeof(free_f));
758 /* build a ref to it */
760 asprintf(&buffname, "xbt_matrix_t(%s)", elm_t->name);
761 res = gras_datadesc_ref(buffname, res);
767 gras_datadesc_import_nws(const char *name,
768 const DataDescriptor * desc, unsigned long howmany)
774 * (useful to push the sizes of the upcoming arrays, for example)
776 void gras_datadesc_cb_send(gras_datadesc_type_t type,
777 gras_datadesc_type_cb_void_t send)
783 * (useful to put the function pointers to the rigth value, for example)
785 void gras_datadesc_cb_recv(gras_datadesc_type_t type,
786 gras_datadesc_type_cb_void_t recv)
792 * gras_dd_find_field:
794 * Returns the type descriptor of the given field. Abort on error.
796 static gras_dd_cat_field_t
797 gras_dd_find_field(gras_datadesc_type_t type, const char *field_name)
799 xbt_dynar_t field_array;
801 gras_dd_cat_field_t field = NULL;
802 unsigned int field_num;
804 if (type->category_code == e_gras_datadesc_type_cat_union) {
805 field_array = type->category.union_data.fields;
806 } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
807 field_array = type->category.struct_data.fields;
809 ERROR2("%s (%p) is not a struct nor an union. There is no field.",
810 type->name, (void *) type);
813 xbt_dynar_foreach(field_array, field_num, field) {
814 if (!strcmp(field_name, field->name)) {
818 ERROR2("No field named '%s' in '%s'", field_name, type->name);
824 * The given datadesc must be a struct or union (abort if not).
825 * (useful to push the sizes of the upcoming arrays, for example)
827 void gras_datadesc_cb_field_send(gras_datadesc_type_t type,
828 const char *field_name,
829 gras_datadesc_type_cb_void_t send)
832 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
838 * The value, which must be an int, unsigned int, long int or unsigned long int
839 * is pushed to the stacks of sizes and can then be retrieved with
840 * \ref gras_datadesc_ref_pop_arr or directly with \ref gras_cbps_i_pop.
842 void gras_datadesc_cb_field_push(gras_datadesc_type_t type,
843 const char *field_name)
846 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
847 gras_datadesc_type_t sub_type = field->type;
849 DEBUG3("add a PUSHy cb to '%s' field (type '%s') of '%s'",
850 field_name, sub_type->name, type->name);
851 if (!strcmp("int", sub_type->name)) {
852 field->send = gras_datadesc_cb_push_int;
853 } else if (!strcmp("unsigned int", sub_type->name)) {
854 field->send = gras_datadesc_cb_push_uint;
855 } else if (!strcmp("long int", sub_type->name)) {
856 field->send = gras_datadesc_cb_push_lint;
857 } else if (!strcmp("unsigned long int", sub_type->name)) {
858 field->send = gras_datadesc_cb_push_ulint;
861 ("Field %s is not an int, unsigned int, long int neither unsigned long int",
868 * Any previously pushed value is poped and the field value is multiplied to
869 * it. The result is then pushed back into the stack of sizes. It can then be
870 * retrieved with \ref gras_datadesc_ref_pop_arr or directly with \ref
873 * The field must be an int, unsigned int, long int or unsigned long int.
875 void gras_datadesc_cb_field_push_multiplier(gras_datadesc_type_t type,
876 const char *field_name)
879 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
880 gras_datadesc_type_t sub_type = field->type;
882 DEBUG3("add a MPUSHy cb to '%s' field (type '%s') of '%s'",
883 field_name, sub_type->name, type->name);
884 if (!strcmp("int", sub_type->name)) {
885 field->send = gras_datadesc_cb_push_int_mult;
886 } else if (!strcmp("unsigned int", sub_type->name)) {
887 field->send = gras_datadesc_cb_push_uint_mult;
888 } else if (!strcmp("long int", sub_type->name)) {
889 field->send = gras_datadesc_cb_push_lint_mult;
890 } else if (!strcmp("unsigned long int", sub_type->name)) {
891 field->send = gras_datadesc_cb_push_ulint_mult;
894 ("Field %s is not an int, unsigned int, long int neither unsigned long int",
901 * The given datadesc must be a struct or union (abort if not).
902 * (useful to put the function pointers to the right value, for example)
904 void gras_datadesc_cb_field_recv(gras_datadesc_type_t type,
905 const char *field_name,
906 gras_datadesc_type_cb_void_t recv)
909 gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
914 * Free a datadesc. Should only be called at xbt_exit.
916 void gras_datadesc_free(gras_datadesc_type_t * type)
919 DEBUG1("Let's free ddt %s", (*type)->name);
921 switch ((*type)->category_code) {
922 case e_gras_datadesc_type_cat_scalar:
923 case e_gras_datadesc_type_cat_ref:
924 case e_gras_datadesc_type_cat_array:
925 /* nothing to free in there */
928 case e_gras_datadesc_type_cat_struct:
929 xbt_dynar_free(&((*type)->category.struct_data.fields));
932 case e_gras_datadesc_type_cat_union:
933 xbt_dynar_free(&((*type)->category.union_data.fields));
937 /* datadesc was invalid. Killing it is like euthanasy, I guess */
946 * gras_datadesc_type_cmp:
948 * Compares two datadesc types with the same semantic than strcmp.
950 * This comparison does not take the set headers into account (name and ID),
951 * but only the payload (actual type description).
953 int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
954 const gras_datadesc_type_t d2)
958 gras_dd_cat_field_t field1, field2;
959 gras_datadesc_type_t field_desc_1, field_desc_2;
962 return 0; /* easy optimization */
965 DEBUG0("ddt_cmp: !d1 && d2 => 1");
969 DEBUG0("ddt_cmp: !d1 && !d2 => 0");
973 DEBUG0("ddt_cmp: d1 && !d2 => -1");
977 for (cpt = 0; cpt < gras_arch_count; cpt++) {
978 if (d1->size[cpt] != d2->size[cpt]) {
979 DEBUG5("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
980 d1->name, d1->size[cpt], d2->name, d2->size[cpt],
981 gras_arches[cpt].name);
982 return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
985 if (d1->alignment[cpt] != d2->alignment[cpt]) {
986 DEBUG5("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
987 d1->name, d1->alignment[cpt], d2->name, d2->alignment[cpt],
988 gras_arches[cpt].name);
989 return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
992 if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
994 ("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
995 d1->name, d1->aligned_size[cpt], d2->name, d2->aligned_size[cpt],
996 gras_arches[cpt].name);
997 return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
1001 if (d1->category_code != d2->category_code) {
1002 DEBUG4("ddt_cmp: %s->cat=%s != %s->cat=%s",
1003 d1->name, gras_datadesc_cat_names[d1->category_code],
1004 d2->name, gras_datadesc_cat_names[d2->category_code]);
1005 return d1->category_code > d2->category_code ? 1 : -1;
1008 if (d1->send != d2->send) {
1009 DEBUG4("ddt_cmp: %s->send=%p != %s->send=%p",
1010 d1->name, (void *) d1->send, d2->name, (void *) d2->send);
1011 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1014 if (d1->recv != d2->recv) {
1015 DEBUG4("ddt_cmp: %s->recv=%p != %s->recv=%p",
1016 d1->name, (void *) d1->recv, d2->name, (void *) d2->recv);
1017 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1020 switch (d1->category_code) {
1021 case e_gras_datadesc_type_cat_scalar:
1022 if (d1->category.scalar_data.encoding !=
1023 d2->category.scalar_data.encoding)
1024 return d1->category.scalar_data.encoding >
1025 d2->category.scalar_data.encoding ? 1 : -1;
1028 case e_gras_datadesc_type_cat_struct:
1029 if (xbt_dynar_length(d1->category.struct_data.fields) !=
1030 xbt_dynar_length(d2->category.struct_data.fields)) {
1031 DEBUG4("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
1032 d1->name, xbt_dynar_length(d1->category.struct_data.fields),
1033 d2->name, xbt_dynar_length(d2->category.struct_data.fields));
1035 return xbt_dynar_length(d1->category.struct_data.fields) >
1036 xbt_dynar_length(d2->category.struct_data.fields) ? 1 : -1;
1038 xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
1041 xbt_dynar_get_as(d2->category.struct_data.fields, cpt,
1042 gras_dd_cat_field_t);
1043 field_desc_1 = field1->type;
1044 field_desc_2 = field2->type;
1045 ret = gras_datadesc_type_cmp(field_desc_1, field_desc_2);
1047 DEBUG6("%s->field[%d]=%s != %s->field[%d]=%s",
1048 d1->name, cpt, field1->name, d2->name, cpt, field2->name);
1055 case e_gras_datadesc_type_cat_union:
1056 if (d1->category.union_data.selector != d2->category.union_data.selector)
1057 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1059 if (xbt_dynar_length(d1->category.union_data.fields) !=
1060 xbt_dynar_length(d2->category.union_data.fields))
1061 return xbt_dynar_length(d1->category.union_data.fields) >
1062 xbt_dynar_length(d2->category.union_data.fields) ? 1 : -1;
1064 xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
1067 xbt_dynar_get_as(d2->category.union_data.fields, cpt,
1068 gras_dd_cat_field_t);
1069 field_desc_1 = field1->type;
1070 field_desc_2 = field2->type;
1071 ret = gras_datadesc_type_cmp(field_desc_1, field_desc_2);
1079 case e_gras_datadesc_type_cat_ref:
1080 if (d1->category.ref_data.selector != d2->category.ref_data.selector)
1081 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1083 if (d1->category.ref_data.type != d2->category.ref_data.type)
1084 return d1->category.ref_data.type > d2->category.ref_data.type ? 1 : -1;
1087 case e_gras_datadesc_type_cat_array:
1088 if (d1->category.array_data.type != d2->category.array_data.type)
1089 return d1->category.array_data.type >
1090 d2->category.array_data.type ? 1 : -1;
1092 if (d1->category.array_data.fixed_size !=
1093 d2->category.array_data.fixed_size)
1094 return d1->category.array_data.fixed_size >
1095 d2->category.array_data.fixed_size ? 1 : -1;
1097 if (d1->category.array_data.dynamic_size !=
1098 d2->category.array_data.dynamic_size)
1099 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1104 /* two stupidly created ddt are equally stupid ;) */