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 Copy a type under another name
378 * This may reveal useful to circumvent parsing macro limitations
381 gras_datadesc_copy(const char *name,
382 gras_datadesc_type_t copied) {
384 gras_datadesc_type_t res = gras_ddt_new(name);
385 char *name_cpy = res->name;
387 memcpy(res,copied,sizeof(s_gras_datadesc_type_t));
388 res->name = name_cpy;
392 /** \brief Declare a new type being a reference to the one passed in arg */
394 gras_datadesc_ref(const char *name,
395 gras_datadesc_type_t referenced_type) {
397 gras_datadesc_type_t res;
398 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
401 XBT_IN1("(%s)",name);
402 res = gras_datadesc_by_name_or_null(name);
404 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
405 "Redefinition of %s does not match",name);
406 xbt_assert1(res->category.ref_data.type == referenced_type,
407 "Redefinition of %s does not match",name);
408 xbt_assert1(res->category.ref_data.selector == NULL,
409 "Redefinition of %s does not match",name);
410 VERB1("Discarding redefinition of %s",name);
414 res = gras_ddt_new(name);
416 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
418 for (arch=0; arch<gras_arch_count; arch ++){
419 res->size[arch] = pointer_type->size[arch];
420 res->alignment[arch] = pointer_type->alignment[arch];
421 res->aligned_size[arch] = pointer_type->aligned_size[arch];
424 res->category_code = e_gras_datadesc_type_cat_ref;
425 res->category.ref_data.type = referenced_type;
426 res->category.ref_data.selector = NULL;
430 /** \brief Declare a new type being a generic reference.
432 * The callback passed in argument is to be used to select which type is currently used.
433 * So, when GRAS wants to send a generic reference, it passes the current data to the selector
434 * callback and expects it to return the type description to use.
437 gras_datadesc_ref_generic(const char *name,
438 gras_datadesc_selector_t selector) {
440 gras_datadesc_type_t res;
441 gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
444 XBT_IN1("(%s)",name);
445 res = gras_datadesc_by_name_or_null(name);
448 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
449 "Redefinition of type %s does not match", name);
450 xbt_assert1(res->category.ref_data.type == NULL,
451 "Redefinition of type %s does not match", name);
452 xbt_assert1(res->category.ref_data.selector == selector,
453 "Redefinition of type %s does not match", name);
454 VERB1("Discarding redefinition of %s",name);
457 res = gras_ddt_new(name);
459 xbt_assert0(pointer_type, "Cannot get the description of data pointer");
461 for (arch=0; arch<gras_arch_count; arch ++) {
462 res->size[arch] = pointer_type->size[arch];
463 res->alignment[arch] = pointer_type->alignment[arch];
464 res->aligned_size[arch] = pointer_type->aligned_size[arch];
467 res->category_code = e_gras_datadesc_type_cat_ref;
469 res->category.ref_data.type = NULL;
470 res->category.ref_data.selector = selector;
475 /** \brief Declare a new type being an array of fixed size and content */
477 gras_datadesc_array_fixed(const char *name,
478 gras_datadesc_type_t element_type,
479 long int fixed_size) {
481 gras_datadesc_type_t res;
484 XBT_IN1("(%s)",name);
485 res = gras_datadesc_by_name_or_null(name);
487 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
488 "Redefinition of type %s does not match", name);
490 if (res->category.array_data.type != element_type) {
491 ERROR1("Redefinition of type %s does not match: array elements differ", name);
492 gras_datadesc_type_dump(res->category.array_data.type);
493 gras_datadesc_type_dump(element_type);
496 xbt_assert1(res->category.array_data.fixed_size == fixed_size,
497 "Redefinition of type %s does not match", name);
498 xbt_assert1(res->category.array_data.dynamic_size == NULL,
499 "Redefinition of type %s does not match", name);
500 VERB1("Discarding redefinition of %s",name);
504 res = gras_ddt_new(name);
506 xbt_assert1(fixed_size > 0, "'%s' is a array of null fixed size",name);
507 for (arch=0; arch<gras_arch_count; arch ++) {
508 res->size[arch] = fixed_size * element_type->aligned_size[arch];
509 res->alignment[arch] = element_type->alignment[arch];
510 res->aligned_size[arch] = res->size[arch];
513 res->category_code = e_gras_datadesc_type_cat_array;
515 res->category.array_data.type = element_type;
516 res->category.array_data.fixed_size = fixed_size;
517 res->category.array_data.dynamic_size = NULL;
522 /** \brief Declare a new type being an array of fixed size, but accepting several content types. */
523 gras_datadesc_type_t gras_datadesc_array_dyn(const char *name,
524 gras_datadesc_type_t element_type,
525 gras_datadesc_type_cb_int_t dynamic_size) {
527 gras_datadesc_type_t res;
530 XBT_IN1("(%s)",name);
531 xbt_assert1(dynamic_size,
532 "'%s' is a dynamic array without size discriminant",
535 res = gras_datadesc_by_name_or_null(name);
537 xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
538 "Redefinition of type %s does not match", name);
539 xbt_assert1(res->category.array_data.type == element_type,
540 "Redefinition of type %s does not match", name);
541 xbt_assert1(res->category.array_data.fixed_size == 0,
542 "Redefinition of type %s does not match", name);
543 xbt_assert1(res->category.array_data.dynamic_size == dynamic_size,
544 "Redefinition of type %s does not match", name);
545 VERB1("Discarding redefinition of %s",name);
550 res = gras_ddt_new(name);
552 for (arch=0; arch<gras_arch_count; arch ++) {
553 res->size[arch] = 0; /* make sure it indicates "dynamic" */
554 res->alignment[arch] = element_type->alignment[arch];
555 res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid*/
558 res->category_code = e_gras_datadesc_type_cat_array;
560 res->category.array_data.type = element_type;
561 res->category.array_data.fixed_size = 0;
562 res->category.array_data.dynamic_size = dynamic_size;
567 /** \brief Declare a new type being an array which size can be found with \ref gras_cbps_i_pop
569 * Most of the time, you want to include a reference in your structure which
570 * is a pointer to a dynamic array whose size is fixed by another field of
573 * This case pops up so often that this function was created to take care of
574 * this case. It creates a dynamic array type whose size is poped from the
575 * current cbps, and then create a reference to it.
577 * The name of the created datatype will be the name of the element type, with
578 * '[]*' appended to it.
580 * Then to use it, you just have to make sure that your structure pre-callback
581 * does push the size of the array in the cbps (using #gras_cbps_i_push), and
584 * But be remember that this is a stack. If you have two different pop_arr, you
585 * should push the second one first, so that the first one is on the top of the
586 * list when the first field gets transfered.
590 gras_datadesc_ref_pop_arr(gras_datadesc_type_t element_type) {
592 gras_datadesc_type_t res;
593 char *name=(char*)xbt_malloc(strlen(element_type->name) + 4);
595 sprintf(name,"%s[]",element_type->name);
597 res = gras_datadesc_array_dyn(name,element_type,
598 gras_datadesc_cb_pop);
600 sprintf(name,"%s[]*",element_type->name);
601 res = gras_datadesc_ref(name,res);
610 *## Constructor of container datatypes
614 #include "xbt/dynar_private.h"
615 static void gras_datadesc_dynar_cb(gras_datadesc_type_t typedesc, gras_cbps_t vars, void *data) {
616 gras_datadesc_type_t subtype;
617 xbt_dynar_t dynar=(xbt_dynar_t)data;
619 memcpy(&dynar->free_f, &typedesc->extra, sizeof(dynar->free_f));
621 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
622 subtype = gras_dd_find_field(typedesc,"data")->type;
624 /* this is now a ref to array of what we're looking for */
625 subtype = subtype->category.ref_data.type;
626 subtype = subtype->category.array_data.type;
628 DEBUG1("subtype is %s",subtype->name);
630 dynar->elmsize = subtype->size[GRAS_THISARCH];
631 dynar->size = dynar->used;
635 /** \brief Declare a new type being a dynar in which each elements are of the given type
637 * The type gets registered under the name "dynar(%s)_s", where %s is the name of the subtype.
638 * For example, a dynar of doubles will be called "dynar(double)_s" and a dynar of dynar of
639 * strings will be called "dynar(dynar(string)_s)_s".
641 * \param elm_t: the datadesc of the elements
642 * \param free_func: the function to use to free the elements when the dynar gets freed
645 gras_datadesc_dynar(gras_datadesc_type_t elm_t,
646 void_f_pvoid_t *free_func) {
649 gras_datadesc_type_t res;
651 asprintf(&buffname,"dynar(%s)_s",elm_t->name);
653 res = gras_datadesc_struct(buffname);
655 gras_datadesc_struct_append(res, "size",
656 gras_datadesc_by_name("unsigned long int"));
658 gras_datadesc_struct_append(res, "used",
659 gras_datadesc_by_name("unsigned long int"));
661 gras_datadesc_struct_append(res, "elmsize",
662 gras_datadesc_by_name("unsigned long int"));
664 gras_datadesc_struct_append(res, "data",
665 gras_datadesc_ref_pop_arr (elm_t));
667 gras_datadesc_struct_append(res, "free_f",
668 gras_datadesc_by_name("function pointer"));
669 memcpy(res->extra,&free_func,sizeof(free_func));
671 gras_datadesc_struct_append(res, "mutex",
672 gras_datadesc_by_name("data pointer"));
674 gras_datadesc_struct_close(res);
676 gras_datadesc_cb_field_push(res, "used");
677 gras_datadesc_cb_recv(res, &gras_datadesc_dynar_cb);
679 /* build a ref to it */
681 asprintf(&buffname,"dynar(%s)",elm_t->name);
682 res=gras_datadesc_ref(buffname,res);
687 #include "xbt/matrix.h"
688 static void gras_datadesc_matrix_cb(gras_datadesc_type_t typedesc, gras_cbps_t vars, void *data) {
689 gras_datadesc_type_t subtype;
690 xbt_matrix_t matrix=(xbt_matrix_t)data;
692 memcpy(&matrix->free_f, &typedesc->extra, sizeof(matrix->free_f));
694 /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
695 subtype = gras_dd_find_field(typedesc,"data")->type;
697 /* this is now a ref to array of what we're looking for */
698 subtype = subtype->category.ref_data.type;
699 subtype = subtype->category.array_data.type;
701 DEBUG1("subtype is %s",subtype->name);
703 matrix->elmsize = subtype->size[GRAS_THISARCH];
706 gras_datadesc_matrix(gras_datadesc_type_t elm_t,
707 void_f_pvoid_t * const free_f) {
709 gras_datadesc_type_t res;
711 asprintf(&buffname,"s_xbt_matrix_t(%s)",elm_t->name);
712 res = gras_datadesc_struct(buffname);
714 gras_datadesc_struct_append(res, "lines",
715 gras_datadesc_by_name("unsigned int"));
716 gras_datadesc_struct_append(res, "rows",
717 gras_datadesc_by_name("unsigned int"));
719 gras_datadesc_struct_append(res, "elmsize",
720 gras_datadesc_by_name("unsigned long int"));
722 gras_datadesc_struct_append(res, "data",
723 gras_datadesc_ref_pop_arr (elm_t));
724 gras_datadesc_struct_append(res, "free_f",
725 gras_datadesc_by_name("function pointer"));
726 gras_datadesc_struct_close(res);
728 gras_datadesc_cb_field_push(res, "lines");
729 gras_datadesc_cb_field_push_multiplier(res, "rows");
731 gras_datadesc_cb_recv(res, &gras_datadesc_matrix_cb);
732 memcpy(res->extra,&free_f,sizeof(free_f));
734 /* build a ref to it */
736 asprintf(&buffname,"xbt_matrix_t(%s)",elm_t->name);
737 res=gras_datadesc_ref(buffname,res);
743 gras_datadesc_import_nws(const char *name,
744 const DataDescriptor *desc,
745 unsigned long howmany) {
750 * (useful to push the sizes of the upcoming arrays, for example)
752 void gras_datadesc_cb_send (gras_datadesc_type_t type,
753 gras_datadesc_type_cb_void_t send) {
757 * (useful to put the function pointers to the rigth value, for example)
759 void gras_datadesc_cb_recv(gras_datadesc_type_t type,
760 gras_datadesc_type_cb_void_t recv) {
764 * gras_dd_find_field:
766 * Returns the type descriptor of the given field. Abort on error.
768 static gras_dd_cat_field_t
769 gras_dd_find_field(gras_datadesc_type_t type,
770 const char *field_name) {
771 xbt_dynar_t field_array;
773 gras_dd_cat_field_t field=NULL;
776 if (type->category_code == e_gras_datadesc_type_cat_union) {
777 field_array = type->category.union_data.fields;
778 } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
779 field_array = type->category.struct_data.fields;
781 ERROR2("%s (%p) is not a struct nor an union. There is no field.", type->name,(void*)type);
784 xbt_dynar_foreach(field_array,field_num,field) {
785 if (!strcmp(field_name,field->name)) {
789 ERROR2("No field named '%s' in '%s'",field_name,type->name);
795 * The given datadesc must be a struct or union (abort if not).
796 * (useful to push the sizes of the upcoming arrays, for example)
798 void gras_datadesc_cb_field_send (gras_datadesc_type_t type,
799 const char *field_name,
800 gras_datadesc_type_cb_void_t send) {
802 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
808 * The value, which must be an int, unsigned int, long int or unsigned long int
809 * is pushed to the stacks of sizes and can then be retrieved with
810 * \ref gras_datadesc_ref_pop_arr or directly with \ref gras_cbps_i_pop.
812 void gras_datadesc_cb_field_push (gras_datadesc_type_t type,
813 const char *field_name) {
815 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
816 gras_datadesc_type_t sub_type=field->type;
818 DEBUG3("add a PUSHy cb to '%s' field (type '%s') of '%s'",
819 field_name,sub_type->name,type->name);
820 if (!strcmp("int",sub_type->name)) {
821 field->send = gras_datadesc_cb_push_int;
822 } else if (!strcmp("unsigned int",sub_type->name)) {
823 field->send = gras_datadesc_cb_push_uint;
824 } else if (!strcmp("long int",sub_type->name)) {
825 field->send = gras_datadesc_cb_push_lint;
826 } else if (!strcmp("unsigned long int",sub_type->name)) {
827 field->send = gras_datadesc_cb_push_ulint;
829 ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int",
836 * Any previously pushed value is poped and the field value is multiplied to
837 * it. The result is then pushed back into the stack of sizes. It can then be
838 * retrieved with \ref gras_datadesc_ref_pop_arr or directly with \ref
841 * The field must be an int, unsigned int, long int or unsigned long int.
843 void gras_datadesc_cb_field_push_multiplier (gras_datadesc_type_t type,
844 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 MPUSHy 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_mult;
853 } else if (!strcmp("unsigned int",sub_type->name)) {
854 field->send = gras_datadesc_cb_push_uint_mult;
855 } else if (!strcmp("long int",sub_type->name)) {
856 field->send = gras_datadesc_cb_push_lint_mult;
857 } else if (!strcmp("unsigned long int",sub_type->name)) {
858 field->send = gras_datadesc_cb_push_ulint_mult;
860 ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int",
867 * The given datadesc must be a struct or union (abort if not).
868 * (useful to put the function pointers to the right value, for example)
870 void gras_datadesc_cb_field_recv(gras_datadesc_type_t type,
871 const char *field_name,
872 gras_datadesc_type_cb_void_t recv) {
874 gras_dd_cat_field_t field=gras_dd_find_field(type,field_name);
879 * Free a datadesc. Should only be called at xbt_exit.
881 void gras_datadesc_free(gras_datadesc_type_t *type) {
883 DEBUG1("Let's free ddt %s",(*type)->name);
885 switch ((*type)->category_code) {
886 case e_gras_datadesc_type_cat_scalar:
887 case e_gras_datadesc_type_cat_ref:
888 case e_gras_datadesc_type_cat_array:
889 /* nothing to free in there */
892 case e_gras_datadesc_type_cat_struct:
893 xbt_dynar_free(&( (*type)->category.struct_data.fields ));
896 case e_gras_datadesc_type_cat_union:
897 xbt_dynar_free(&( (*type)->category.union_data.fields ));
901 /* datadesc was invalid. Killing it is like euthanasy, I guess */
910 * gras_datadesc_type_cmp:
912 * Compares two datadesc types with the same semantic than strcmp.
914 * This comparison does not take the set headers into account (name and ID),
915 * but only the payload (actual type description).
917 int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
918 const gras_datadesc_type_t d2) {
920 gras_dd_cat_field_t field1,field2;
921 gras_datadesc_type_t field_desc_1,field_desc_2;
923 if (d1 == d2) return 0; /* easy optimization */
926 DEBUG0("ddt_cmp: !d1 && d2 => 1");
930 DEBUG0("ddt_cmp: !d1 && !d2 => 0");
934 DEBUG0("ddt_cmp: d1 && !d2 => -1");
938 for (cpt=0; cpt<gras_arch_count; cpt++) {
939 if (d1->size[cpt] != d2->size[cpt]) {
940 DEBUG5("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
941 d1->name,d1->size[cpt],d2->name,d2->size[cpt],
942 gras_arches[cpt].name);
943 return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
946 if (d1->alignment[cpt] != d2->alignment[cpt]) {
947 DEBUG5("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
948 d1->name,d1->alignment[cpt],d2->name,d2->alignment[cpt],
949 gras_arches[cpt].name);
950 return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
953 if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
954 DEBUG5("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
955 d1->name,d1->aligned_size[cpt],d2->name,d2->aligned_size[cpt],
956 gras_arches[cpt].name);
957 return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
961 if (d1->category_code != d2->category_code) {
962 DEBUG4("ddt_cmp: %s->cat=%s != %s->cat=%s",
963 d1->name,gras_datadesc_cat_names[d1->category_code],
964 d2->name,gras_datadesc_cat_names[d2->category_code]);
965 return d1->category_code > d2->category_code ? 1 : -1;
968 if (d1->send != d2->send) {
969 DEBUG4("ddt_cmp: %s->send=%p != %s->send=%p",
970 d1->name,(void*)d1->send, d2->name,(void*)d2->send);
971 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
974 if (d1->recv != d2->recv) {
975 DEBUG4("ddt_cmp: %s->recv=%p != %s->recv=%p",
976 d1->name,(void*)d1->recv, d2->name,(void*)d2->recv);
977 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
980 switch (d1->category_code) {
981 case e_gras_datadesc_type_cat_scalar:
982 if (d1->category.scalar_data.encoding != d2->category.scalar_data.encoding)
983 return d1->category.scalar_data.encoding > d2->category.scalar_data.encoding ? 1 : -1 ;
986 case e_gras_datadesc_type_cat_struct:
987 if (xbt_dynar_length(d1->category.struct_data.fields) !=
988 xbt_dynar_length(d2->category.struct_data.fields)) {
989 DEBUG4("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
990 d1->name, xbt_dynar_length(d1->category.struct_data.fields),
991 d2->name, xbt_dynar_length(d2->category.struct_data.fields));
993 return xbt_dynar_length(d1->category.struct_data.fields) >
994 xbt_dynar_length(d2->category.struct_data.fields) ?
997 xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
999 field2 = xbt_dynar_get_as(d2->category.struct_data.fields, cpt, gras_dd_cat_field_t);
1000 field_desc_1 = field1->type;
1001 field_desc_2 = field2->type;
1002 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
1004 DEBUG6("%s->field[%d]=%s != %s->field[%d]=%s",
1005 d1->name,cpt,field1->name,
1006 d2->name,cpt,field2->name);
1013 case e_gras_datadesc_type_cat_union:
1014 if (d1->category.union_data.selector != d2->category.union_data.selector)
1015 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1017 if (xbt_dynar_length(d1->category.union_data.fields) !=
1018 xbt_dynar_length(d2->category.union_data.fields))
1019 return xbt_dynar_length(d1->category.union_data.fields) >
1020 xbt_dynar_length(d2->category.union_data.fields) ?
1023 xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
1025 field2 = xbt_dynar_get_as(d2->category.union_data.fields, cpt, gras_dd_cat_field_t);
1026 field_desc_1 = field1->type;
1027 field_desc_2 = field2->type;
1028 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
1036 case e_gras_datadesc_type_cat_ref:
1037 if (d1->category.ref_data.selector != d2->category.ref_data.selector)
1038 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1040 if (d1->category.ref_data.type != d2->category.ref_data.type)
1041 return d1->category.ref_data.type > d2->category.ref_data.type ? 1 : -1;
1044 case e_gras_datadesc_type_cat_array:
1045 if (d1->category.array_data.type != d2->category.array_data.type)
1046 return d1->category.array_data.type > d2->category.array_data.type ? 1 : -1;
1048 if (d1->category.array_data.fixed_size != d2->category.array_data.fixed_size)
1049 return d1->category.array_data.fixed_size > d2->category.array_data.fixed_size ? 1 : -1;
1051 if (d1->category.array_data.dynamic_size != d2->category.array_data.dynamic_size)
1052 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
1057 /* two stupidly created ddt are equally stupid ;) */