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() */
14 #include "gras/DataDesc/datadesc_private.h"
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_create,gras_ddt,"Creating new datadescriptions");
19 static gras_dd_cat_field_t
20 gras_dd_find_field(gras_datadesc_type_t type,
21 const char *field_name);
25 * gime that memory back, dude. I mean it.
27 void gras_ddt_freev(void *ddt) {
28 gras_datadesc_type_t type= (gras_datadesc_type_t)ddt;
31 gras_datadesc_free(&type);
35 static gras_datadesc_type_t gras_ddt_new(const char *name) {
36 gras_datadesc_type_t res;
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,
46 (xbt_set_elm_t)res,&gras_ddt_freev);
51 /** @brief retrieve an existing message type from its name (or NULL if it does not exist). */
52 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);
65 * Search the given datadesc (or raises an exception if it can't be found)
67 gras_datadesc_type_t gras_datadesc_by_name(const char *name) {
69 gras_datadesc_type_t res = NULL;
70 volatile int found = 0;
72 res = (gras_datadesc_type_t)xbt_set_get_by_name(gras_datadesc_set_local,name);
75 if (e.category != not_found_error)
80 THROW1(not_found_error,0,"No registred datatype of that name: %s",name);
86 * Retrieve a type from its code (or NULL if not found)
88 gras_datadesc_type_t gras_datadesc_by_id(long int code) {
90 gras_datadesc_type_t res=NULL;
92 res = (gras_datadesc_type_t)xbt_set_get_by_id(gras_datadesc_set_local,code);
94 if (e.category != not_found_error)
103 * Create a new scalar and give a pointer to it
106 gras_datadesc_scalar(const char *name,
107 gras_ddt_scalar_type_t type,
108 enum e_gras_dd_scalar_encoding encoding) {
110 gras_datadesc_type_t res;
114 res = gras_datadesc_by_name_or_null(name);
116 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_scalar,
117 "Redefinition of type %s does not match", name);
118 xbt_assert1(res->category.scalar_data.encoding == encoding,
119 "Redefinition of type %s does not match", name);
120 xbt_assert1(res->category.scalar_data.type == type,
121 "Redefinition of type %s does not match", name);
122 VERB1("Discarding redefinition of %s",name);
125 res = gras_ddt_new(name);
127 for (arch = 0; arch < gras_arch_count; arch ++) {
128 res->size[arch] = gras_arches[arch].sizeofs[type];
129 res->alignment[arch] = gras_arches[arch].boundaries[type];
130 res->aligned_size[arch] = ddt_aligned(res->size[arch], res->alignment[arch]);
133 res->category_code = e_gras_datadesc_type_cat_scalar;
134 res->category.scalar_data.encoding = encoding;
135 res->category.scalar_data.type = type;
142 /** Frees one struct or union field */
143 void gras_dd_cat_field_free(void *f) {
144 gras_dd_cat_field_t field = *(gras_dd_cat_field_t *)f;
154 /** \brief Declare a new structure description */
156 gras_datadesc_struct(const char *name) {
158 gras_datadesc_type_t res;
161 XBT_IN1("(%s)",name);
162 res = gras_datadesc_by_name_or_null(name);
164 /* FIXME: Check that field redefinition matches */
165 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_struct,
166 "Redefinition of type %s does not match", name);
167 VERB1("Discarding redefinition of %s",name);
170 res = gras_ddt_new(name);
172 for (arch=0; arch<gras_arch_count; arch ++) {
174 res->alignment[arch] = 0;
175 res->aligned_size[arch] = 0;
177 res->category_code = e_gras_datadesc_type_cat_struct;
178 res->category.struct_data.fields =
179 xbt_dynar_new(sizeof(gras_dd_cat_field_t),
180 &gras_dd_cat_field_free);
186 /** \brief Append a new field to a structure description */
188 gras_datadesc_struct_append(gras_datadesc_type_t struct_type,
190 gras_datadesc_type_t field_type) {
192 gras_dd_cat_field_t field;
195 xbt_assert2(field_type,
196 "Cannot add the field '%s' into struct '%s': its type is NULL",
197 name,struct_type->name);
198 XBT_IN3("(%s %s.%s;)",field_type->name,struct_type->name,name);
199 if (struct_type->category.struct_data.closed) {
200 VERB1("Ignoring request to add field to struct %s (closed. Redefinition?)",
205 xbt_assert1(field_type->size != 0,
206 "Cannot add a dynamically sized field in structure %s",
209 field=xbt_new(s_gras_dd_cat_field_t,1);
210 field->name = (char*)strdup(name);
212 DEBUG0("----------------");
213 DEBUG3("PRE 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]);
219 for (arch=0; arch<gras_arch_count; arch ++) {
220 field->offset[arch] = ddt_aligned(struct_type->size[arch],
221 field_type->alignment[arch]);
223 struct_type->size[arch] = field->offset[arch] + field_type->size[arch];
224 struct_type->alignment[arch] = max(struct_type->alignment[arch],
225 field_type->alignment[arch]);
226 struct_type->aligned_size[arch] = ddt_aligned(struct_type->size[arch],
227 struct_type->alignment[arch]);
229 field->type = field_type;
233 xbt_dynar_push(struct_type->category.struct_data.fields, &field);
235 DEBUG3("Push a %s into %s at offset %ld.",
236 field_type->name, struct_type->name,field->offset[GRAS_THISARCH]);
237 DEBUG3(" f={size=%ld,align=%ld,asize=%ld}",
238 field_type->size[GRAS_THISARCH],
239 field_type->alignment[GRAS_THISARCH],
240 field_type->aligned_size[GRAS_THISARCH]);
241 DEBUG3(" s={size=%ld,align=%ld,asize=%ld}",
242 struct_type->size[GRAS_THISARCH],
243 struct_type->alignment[GRAS_THISARCH],
244 struct_type->aligned_size[GRAS_THISARCH]);
248 /** \brief Close a structure description
250 * No new field can be added afterward, and it is mandatory to close the structure before using it.
253 gras_datadesc_struct_close(gras_datadesc_type_t struct_type) {
255 struct_type->category.struct_data.closed = 1;
256 DEBUG4("structure %s closed. size=%ld,align=%ld,asize=%ld",
258 struct_type->size[GRAS_THISARCH],
259 struct_type->alignment[GRAS_THISARCH],
260 struct_type->aligned_size[GRAS_THISARCH]);
264 * gras_datadesc_cycle_set:
266 * Tell GRAS that the pointers of the type described by ddt may present
267 * some loop, and that the cycle detection mechanism is needed.
269 * Note that setting this option when not needed have a rather bad effect
270 * on the performance (several times slower on big data).
273 gras_datadesc_cycle_set(gras_datadesc_type_t ddt) {
278 * gras_datadesc_cycle_unset:
280 * Tell GRAS that the pointers of the type described by ddt do not present
281 * any loop and that cycle detection mechanism are not needed.
285 gras_datadesc_cycle_unset(gras_datadesc_type_t ddt) {
289 /** \brief Declare a new union description */
291 gras_datadesc_union(const char *name,
292 gras_datadesc_type_cb_int_t selector) {
294 gras_datadesc_type_t res;
297 XBT_IN1("(%s)",name);
298 xbt_assert0(selector,
299 "Attempt to creat an union without field_count function");
301 res = gras_datadesc_by_name_or_null(name);
303 /* FIXME: Check that field redefinition matches */
304 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_union,
305 "Redefinition of type %s does not match", name);
306 xbt_assert1(res->category.union_data.selector == selector,
307 "Redefinition of type %s does not match", name);
308 VERB1("Discarding redefinition of %s",name);
312 res = gras_ddt_new(name);
314 for (arch=0; arch<gras_arch_count; arch ++) {
316 res->alignment[arch] = 0;
317 res->aligned_size[arch] = 0;
320 res->category_code = e_gras_datadesc_type_cat_union;
321 res->category.union_data.fields =
322 xbt_dynar_new(sizeof(gras_dd_cat_field_t*),
323 &gras_dd_cat_field_free);
324 res->category.union_data.selector = selector;
329 /** \brief Append a new field to an union description */
330 void gras_datadesc_union_append(gras_datadesc_type_t union_type,
332 gras_datadesc_type_t field_type) {
334 gras_dd_cat_field_t field;
337 XBT_IN3("(%s %s.%s;)",field_type->name,union_type->name,name);
338 xbt_assert1(field_type->size != 0,
339 "Cannot add a dynamically sized field in union %s",
342 if (union_type->category.union_data.closed) {
343 VERB1("Ignoring request to add field to union %s (closed)",
348 field=xbt_new0(s_gras_dd_cat_field_t,1);
350 field->name = (char*)strdup(name);
351 field->type = field_type;
352 /* All offset are left to 0 in an union */
354 xbt_dynar_push(union_type->category.union_data.fields, &field);
356 for (arch=0; arch<gras_arch_count; arch ++) {
357 union_type->size[arch] = max(union_type->size[arch],
358 field_type->size[arch]);
359 union_type->alignment[arch] = max(union_type->alignment[arch],
360 field_type->alignment[arch]);
361 union_type->aligned_size[arch] = ddt_aligned(union_type->size[arch],
362 union_type->alignment[arch]);
367 /** \brief Close an union description
369 * No new field can be added afterward, and it is mandatory to close the union before using it.
372 gras_datadesc_union_close(gras_datadesc_type_t union_type) {
373 union_type->category.union_data.closed = 1;
376 /** \brief Declare a new type being a reference to the one passed in arg */
378 gras_datadesc_ref(const char *name,
379 gras_datadesc_type_t referenced_type) {
381 gras_datadesc_type_t res;
382 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
385 XBT_IN1("(%s)",name);
386 res = gras_datadesc_by_name_or_null(name);
388 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
389 "Redefinition of %s does not match",name);
390 xbt_assert1(res->category.ref_data.type == referenced_type,
391 "Redefinition of %s does not match",name);
392 xbt_assert1(res->category.ref_data.selector == NULL,
393 "Redefinition of %s does not match",name);
394 VERB1("Discarding redefinition of %s",name);
398 res = gras_ddt_new(name);
400 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
402 for (arch=0; arch<gras_arch_count; arch ++){
403 res->size[arch] = pointer_type->size[arch];
404 res->alignment[arch] = pointer_type->alignment[arch];
405 res->aligned_size[arch] = pointer_type->aligned_size[arch];
408 res->category_code = e_gras_datadesc_type_cat_ref;
409 res->category.ref_data.type = referenced_type;
410 res->category.ref_data.selector = NULL;
414 /** \brief Declare a new type being a generic reference.
416 * The callback passed in argument is to be used to select which type is currently used.
417 * So, when GRAS wants to send a generic reference, it passes the current data to the selector
418 * callback and expects it to return the type description to use.
421 gras_datadesc_ref_generic(const char *name,
422 gras_datadesc_selector_t selector) {
424 gras_datadesc_type_t res;
425 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
428 XBT_IN1("(%s)",name);
429 res = gras_datadesc_by_name_or_null(name);
432 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
433 "Redefinition of type %s does not match", name);
434 xbt_assert1(res->category.ref_data.type == NULL,
435 "Redefinition of type %s does not match", name);
436 xbt_assert1(res->category.ref_data.selector == selector,
437 "Redefinition of type %s does not match", name);
438 VERB1("Discarding redefinition of %s",name);
441 res = gras_ddt_new(name);
443 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
445 for (arch=0; arch<gras_arch_count; arch ++) {
446 res->size[arch] = pointer_type->size[arch];
447 res->alignment[arch] = pointer_type->alignment[arch];
448 res->aligned_size[arch] = pointer_type->aligned_size[arch];
451 res->category_code = e_gras_datadesc_type_cat_ref;
453 res->category.ref_data.type = NULL;
454 res->category.ref_data.selector = selector;
459 /** \brief Declare a new type being an array of fixed size and content */
461 gras_datadesc_array_fixed(const char *name,
462 gras_datadesc_type_t element_type,
463 long int fixed_size) {
465 gras_datadesc_type_t res;
468 XBT_IN1("(%s)",name);
469 res = gras_datadesc_by_name_or_null(name);
471 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
472 "Redefinition of type %s does not match", name);
474 if (res->category.array_data.type != element_type) {
475 ERROR1("Redefinition of type %s does not match: array elements differ", name);
476 gras_datadesc_type_dump(res->category.array_data.type);
477 gras_datadesc_type_dump(element_type);
480 xbt_assert1(res->category.array_data.fixed_size == fixed_size,
481 "Redefinition of type %s does not match", name);
482 xbt_assert1(res->category.array_data.dynamic_size == NULL,
483 "Redefinition of type %s does not match", name);
484 VERB1("Discarding redefinition of %s",name);
488 res = gras_ddt_new(name);
490 xbt_assert1(fixed_size > 0, "'%s' is a array of null fixed size",name);
491 for (arch=0; arch<gras_arch_count; arch ++) {
492 res->size[arch] = fixed_size * element_type->aligned_size[arch];
493 res->alignment[arch] = element_type->alignment[arch];
494 res->aligned_size[arch] = res->size[arch];
497 res->category_code = e_gras_datadesc_type_cat_array;
499 res->category.array_data.type = element_type;
500 res->category.array_data.fixed_size = fixed_size;
501 res->category.array_data.dynamic_size = NULL;
506 /** \brief Declare a new type being an array of fixed size, but accepting several content types. */
507 gras_datadesc_type_t gras_datadesc_array_dyn(const char *name,
508 gras_datadesc_type_t element_type,
509 gras_datadesc_type_cb_int_t dynamic_size) {
511 gras_datadesc_type_t res;
514 XBT_IN1("(%s)",name);
515 xbt_assert1(dynamic_size,
516 "'%s' is a dynamic array without size discriminant",
519 res = gras_datadesc_by_name_or_null(name);
521 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
522 "Redefinition of type %s does not match", name);
523 xbt_assert1(res->category.array_data.type == element_type,
524 "Redefinition of type %s does not match", name);
525 xbt_assert1(res->category.array_data.fixed_size == 0,
526 "Redefinition of type %s does not match", name);
527 xbt_assert1(res->category.array_data.dynamic_size == dynamic_size,
528 "Redefinition of type %s does not match", name);
529 VERB1("Discarding redefinition of %s",name);
534 res = gras_ddt_new(name);
536 for (arch=0; arch<gras_arch_count; arch ++) {
537 res->size[arch] = 0; /* make sure it indicates "dynamic" */
538 res->alignment[arch] = element_type->alignment[arch];
539 res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid*/
542 res->category_code = e_gras_datadesc_type_cat_array;
544 res->category.array_data.type = element_type;
545 res->category.array_data.fixed_size = 0;
546 res->category.array_data.dynamic_size = dynamic_size;
551 /** \brief Declare a new type being an array which size can be found with \ref gras_cbps_i_pop
553 * Most of the time, you want to include a reference in your structure which
554 * is a pointer to a dynamic array whose size is fixed by another field of
557 * This case pops up so often that this function was created to take care of
558 * this case. It creates a dynamic array type whose size is poped from the
559 * current cbps, and then create a reference to it.
561 * The name of the created datatype will be the name of the element type, with
562 * '[]*' appended to it.
564 * Then to use it, you just have to make sure that your structure pre-callback
565 * does push the size of the array in the cbps (using #gras_cbps_i_push), and
568 * But be remember that this is a stack. If you have two different pop_arr, you
569 * should push the second one first, so that the first one is on the top of the
570 * list when the first field gets transfered.
574 gras_datadesc_ref_pop_arr(gras_datadesc_type_t element_type) {
576 gras_datadesc_type_t res;
577 char *name=(char*)xbt_malloc(strlen(element_type->name) + 4);
579 sprintf(name,"%s[]",element_type->name);
581 res = gras_datadesc_array_dyn(name,element_type,
582 gras_datadesc_cb_pop);
584 sprintf(name,"%s[]*",element_type->name);
585 res = gras_datadesc_ref(name,res);
594 *## Constructor of container datatypes
598 #include "xbt/dynar_private.h"
599 static void gras_datadesc_dynar_cb(gras_datadesc_type_t typedesc, gras_cbps_t vars, void *data) {
600 gras_datadesc_type_t subtype;
601 xbt_dynar_t dynar=(xbt_dynar_t)data;
603 memcpy(&dynar->free_f, &typedesc->extra, sizeof(dynar->free_f));
605 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
606 subtype = gras_dd_find_field(typedesc,"data")->type;
608 /* this is now a ref to array of what we're looking for */
609 subtype = subtype->category.ref_data.type;
610 subtype = subtype->category.array_data.type;
612 DEBUG1("subtype is %s",subtype->name);
614 dynar->elmsize = subtype->size[GRAS_THISARCH];
615 dynar->size = dynar->used;
618 /** \brief Declare a new type being a dynar in which each elements are of the given type
620 * The type gets registered under the name "dynar(%s)_s", where %s is the name of the subtype.
621 * For example, a dynar of doubles will be called "dynar(double)_s" and a dynar of dynar of
622 * strings will be called "dynar(dynar(string)_s)_s".
624 * \param elm_t: the datadesc of the elements
625 * \param free_func: the function to use to free the elements when the dynar gets freed
628 gras_datadesc_dynar(gras_datadesc_type_t elm_t,
629 void_f_pvoid_t *free_func) {
632 gras_datadesc_type_t res;
634 asprintf(&buffname,"dynar(%s)_s",elm_t->name);
636 res = gras_datadesc_struct(buffname);
638 gras_datadesc_struct_append(res, "size",
639 gras_datadesc_by_name("unsigned long int"));
641 gras_datadesc_struct_append(res, "used",
642 gras_datadesc_by_name("unsigned long int"));
644 gras_datadesc_struct_append(res, "elmsize",
645 gras_datadesc_by_name("unsigned long int"));
647 gras_datadesc_struct_append(res, "data",
648 gras_datadesc_ref_pop_arr (elm_t));
650 gras_datadesc_struct_append(res, "free_f",
651 gras_datadesc_by_name("function pointer"));
652 memcpy(res->extra,&free_func,sizeof(free_func));
654 gras_datadesc_struct_close(res);
656 gras_datadesc_cb_field_push(res, "used");
657 gras_datadesc_cb_recv(res, &gras_datadesc_dynar_cb);
659 /* build a ref to it */
661 asprintf(&buffname,"dynar(%s)",elm_t->name);
662 res=gras_datadesc_ref(buffname,res);
667 #include "xbt/matrix.h"
668 static void gras_datadesc_matrix_cb(gras_datadesc_type_t typedesc, gras_cbps_t vars, void *data) {
669 gras_datadesc_type_t subtype;
670 xbt_matrix_t matrix=(xbt_matrix_t)data;
672 memcpy(&matrix->free_f, &typedesc->extra, sizeof(matrix->free_f));
674 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
675 subtype = gras_dd_find_field(typedesc,"data")->type;
677 /* this is now a ref to array of what we're looking for */
678 subtype = subtype->category.ref_data.type;
679 subtype = subtype->category.array_data.type;
681 DEBUG1("subtype is %s",subtype->name);
683 matrix->elmsize = subtype->size[GRAS_THISARCH];
686 gras_datadesc_matrix(gras_datadesc_type_t elm_t,
687 void_f_pvoid_t * const free_f) {
689 gras_datadesc_type_t res;
691 asprintf(&buffname,"s_xbt_matrix_t(%s)",elm_t->name);
692 res = gras_datadesc_struct(buffname);
694 gras_datadesc_struct_append(res, "lines",
695 gras_datadesc_by_name("unsigned int"));
696 gras_datadesc_struct_append(res, "rows",
697 gras_datadesc_by_name("unsigned int"));
699 gras_datadesc_struct_append(res, "elmsize",
700 gras_datadesc_by_name("unsigned long int"));
702 gras_datadesc_struct_append(res, "data",
703 gras_datadesc_ref_pop_arr (elm_t));
704 gras_datadesc_struct_append(res, "free_f",
705 gras_datadesc_by_name("function pointer"));
706 gras_datadesc_struct_close(res);
708 gras_datadesc_cb_field_push(res, "lines");
709 gras_datadesc_cb_field_push_multiplier(res, "rows");
711 gras_datadesc_cb_recv(res, &gras_datadesc_matrix_cb);
712 memcpy(res->extra,&free_f,sizeof(free_f));
714 /* build a ref to it */
716 asprintf(&buffname,"xbt_matrix_t(%s)",elm_t->name);
717 res=gras_datadesc_ref(buffname,res);
723 gras_datadesc_import_nws(const char *name,
724 const DataDescriptor *desc,
725 unsigned long howmany) {
730 * (useful to push the sizes of the upcoming arrays, for example)
732 void gras_datadesc_cb_send (gras_datadesc_type_t type,
733 gras_datadesc_type_cb_void_t send) {
737 * (useful to put the function pointers to the rigth value, for example)
739 void gras_datadesc_cb_recv(gras_datadesc_type_t type,
740 gras_datadesc_type_cb_void_t recv) {
744 * gras_dd_find_field:
746 * Returns the type descriptor of the given field. Abort on error.
748 static gras_dd_cat_field_t
749 gras_dd_find_field(gras_datadesc_type_t type,
750 const char *field_name) {
751 xbt_dynar_t field_array;
753 gras_dd_cat_field_t field=NULL;
756 if (type->category_code == e_gras_datadesc_type_cat_union) {
757 field_array = type->category.union_data.fields;
758 } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
759 field_array = type->category.struct_data.fields;
761 ERROR2("%s (%p) is not a struct nor an union. There is no field.", type->name,(void*)type);
764 xbt_dynar_foreach(field_array,field_num,field) {
765 if (!strcmp(field_name,field->name)) {
769 ERROR2("No field named '%s' in '%s'",field_name,type->name);
775 * The given datadesc must be a struct or union (abort if not).
776 * (useful to push the sizes of the upcoming arrays, for example)
778 void gras_datadesc_cb_field_send (gras_datadesc_type_t type,
779 const char *field_name,
780 gras_datadesc_type_cb_void_t send) {
782 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
788 * The value, which must be an int, unsigned int, long int or unsigned long int
789 * is pushed to the stacks of sizes and can then be retrieved with
790 * \ref gras_datadesc_ref_pop_arr or directly with \ref gras_cbps_i_pop.
792 void gras_datadesc_cb_field_push (gras_datadesc_type_t type,
793 const char *field_name) {
795 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
796 gras_datadesc_type_t sub_type=field->type;
798 DEBUG3("add a PUSHy cb to '%s' field (type '%s') of '%s'",
799 field_name,sub_type->name,type->name);
800 if (!strcmp("int",sub_type->name)) {
801 field->send = gras_datadesc_cb_push_int;
802 } else if (!strcmp("unsigned int",sub_type->name)) {
803 field->send = gras_datadesc_cb_push_uint;
804 } else if (!strcmp("long int",sub_type->name)) {
805 field->send = gras_datadesc_cb_push_lint;
806 } else if (!strcmp("unsigned long int",sub_type->name)) {
807 field->send = gras_datadesc_cb_push_ulint;
809 ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int",
816 * Any previously pushed value is poped and the field value is multiplied to
817 * it. The result is then pushed back into the stack of sizes. It can then be
818 * retrieved with \ref gras_datadesc_ref_pop_arr or directly with \ref
821 * The field must be an int, unsigned int, long int or unsigned long int.
823 void gras_datadesc_cb_field_push_multiplier (gras_datadesc_type_t type,
824 const char *field_name) {
826 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
827 gras_datadesc_type_t sub_type=field->type;
829 DEBUG3("add a MPUSHy cb to '%s' field (type '%s') of '%s'",
830 field_name,sub_type->name,type->name);
831 if (!strcmp("int",sub_type->name)) {
832 field->send = gras_datadesc_cb_push_int_mult;
833 } else if (!strcmp("unsigned int",sub_type->name)) {
834 field->send = gras_datadesc_cb_push_uint_mult;
835 } else if (!strcmp("long int",sub_type->name)) {
836 field->send = gras_datadesc_cb_push_lint_mult;
837 } else if (!strcmp("unsigned long int",sub_type->name)) {
838 field->send = gras_datadesc_cb_push_ulint_mult;
840 ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int",
847 * The given datadesc must be a struct or union (abort if not).
848 * (useful to put the function pointers to the right value, for example)
850 void gras_datadesc_cb_field_recv(gras_datadesc_type_t type,
851 const char *field_name,
852 gras_datadesc_type_cb_void_t recv) {
854 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
859 * Free a datadesc. Should only be called at xbt_exit.
861 void gras_datadesc_free(gras_datadesc_type_t *type) {
863 DEBUG1("Let's free ddt %s",(*type)->name);
865 switch ((*type)->category_code) {
866 case e_gras_datadesc_type_cat_scalar:
867 case e_gras_datadesc_type_cat_ref:
868 case e_gras_datadesc_type_cat_array:
869 /* nothing to free in there */
872 case e_gras_datadesc_type_cat_struct:
873 xbt_dynar_free(&( (*type)->category.struct_data.fields ));
876 case e_gras_datadesc_type_cat_union:
877 xbt_dynar_free(&( (*type)->category.union_data.fields ));
881 /* datadesc was invalid. Killing it is like euthanasy, I guess */
890 * gras_datadesc_type_cmp:
892 * Compares two datadesc types with the same semantic than strcmp.
894 * This comparison does not take the set headers into account (name and ID),
895 * but only the payload (actual type description).
897 int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
898 const gras_datadesc_type_t d2) {
900 gras_dd_cat_field_t field1,field2;
901 gras_datadesc_type_t field_desc_1,field_desc_2;
903 if (d1 == d2) return 0; /* easy optimization */
906 DEBUG0("ddt_cmp: !d1 && d2 => 1");
910 DEBUG0("ddt_cmp: !d1 && !d2 => 0");
914 DEBUG0("ddt_cmp: d1 && !d2 => -1");
918 for (cpt=0; cpt<gras_arch_count; cpt++) {
919 if (d1->size[cpt] != d2->size[cpt]) {
920 DEBUG5("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
921 d1->name,d1->size[cpt],d2->name,d2->size[cpt],
922 gras_arches[cpt].name);
923 return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
926 if (d1->alignment[cpt] != d2->alignment[cpt]) {
927 DEBUG5("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
928 d1->name,d1->alignment[cpt],d2->name,d2->alignment[cpt],
929 gras_arches[cpt].name);
930 return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
933 if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
934 DEBUG5("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
935 d1->name,d1->aligned_size[cpt],d2->name,d2->aligned_size[cpt],
936 gras_arches[cpt].name);
937 return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
941 if (d1->category_code != d2->category_code) {
942 DEBUG4("ddt_cmp: %s->cat=%s != %s->cat=%s",
943 d1->name,gras_datadesc_cat_names[d1->category_code],
944 d2->name,gras_datadesc_cat_names[d2->category_code]);
945 return d1->category_code > d2->category_code ? 1 : -1;
948 if (d1->send != d2->send) {
949 DEBUG4("ddt_cmp: %s->send=%p != %s->send=%p",
950 d1->name,(void*)d1->send, d2->name,(void*)d2->send);
951 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
954 if (d1->recv != d2->recv) {
955 DEBUG4("ddt_cmp: %s->recv=%p != %s->recv=%p",
956 d1->name,(void*)d1->recv, d2->name,(void*)d2->recv);
957 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
960 switch (d1->category_code) {
961 case e_gras_datadesc_type_cat_scalar:
962 if (d1->category.scalar_data.encoding != d2->category.scalar_data.encoding)
963 return d1->category.scalar_data.encoding > d2->category.scalar_data.encoding ? 1 : -1 ;
966 case e_gras_datadesc_type_cat_struct:
967 if (xbt_dynar_length(d1->category.struct_data.fields) !=
968 xbt_dynar_length(d2->category.struct_data.fields)) {
969 DEBUG4("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
970 d1->name, xbt_dynar_length(d1->category.struct_data.fields),
971 d2->name, xbt_dynar_length(d2->category.struct_data.fields));
973 return xbt_dynar_length(d1->category.struct_data.fields) >
974 xbt_dynar_length(d2->category.struct_data.fields) ?
977 xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
979 field2 = xbt_dynar_get_as(d2->category.struct_data.fields, cpt, gras_dd_cat_field_t);
980 field_desc_1 = field1->type;
981 field_desc_2 = field2->type;
982 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
984 DEBUG6("%s->field[%d]=%s != %s->field[%d]=%s",
985 d1->name,cpt,field1->name,
986 d2->name,cpt,field2->name);
993 case e_gras_datadesc_type_cat_union:
994 if (d1->category.union_data.selector != d2->category.union_data.selector)
995 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
997 if (xbt_dynar_length(d1->category.union_data.fields) !=
998 xbt_dynar_length(d2->category.union_data.fields))
999 return xbt_dynar_length(d1->category.union_data.fields) >
1000 xbt_dynar_length(d2->category.union_data.fields) ?
1003 xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
1005 field2 = xbt_dynar_get_as(d2->category.union_data.fields, cpt, gras_dd_cat_field_t);
1006 field_desc_1 = field1->type;
1007 field_desc_2 = field2->type;
1008 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
1016 case e_gras_datadesc_type_cat_ref:
1017 if (d1->category.ref_data.selector != d2->category.ref_data.selector)
1018 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1020 if (d1->category.ref_data.type != d2->category.ref_data.type)
1021 return d1->category.ref_data.type > d2->category.ref_data.type ? 1 : -1;
1024 case e_gras_datadesc_type_cat_array:
1025 if (d1->category.array_data.type != d2->category.array_data.type)
1026 return d1->category.array_data.type > d2->category.array_data.type ? 1 : -1;
1028 if (d1->category.array_data.fixed_size != d2->category.array_data.fixed_size)
1029 return d1->category.array_data.fixed_size > d2->category.array_data.fixed_size ? 1 : -1;
1031 if (d1->category.array_data.dynamic_size != d2->category.array_data.dynamic_size)
1032 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1037 /* two stupidly created ddt are equally stupid ;) */