/* ddt_new - creation/deletion of datatypes structs (private to this module)*/
-/* Authors: Olivier Aumage, Martin Quinson */
-/* Copyright (C) 2003, 2004 the GRAS posse. */
+/* Copyright (c) 2003-2009 The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-#include "DataDesc/datadesc_private.h"
+#include "xbt/misc.h" /* min()/max() */
+#include "xbt/ex.h"
+#include "gras/DataDesc/datadesc_private.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(new,DataDesc);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_create, gras_ddt,
+ "Creating new datadescriptions");
+/*** prototypes ***/
+static gras_dd_cat_field_t
+gras_dd_find_field(gras_datadesc_type_t type, const char *field_name);
/**
* gras_ddt_freev:
*
* gime that memory back, dude. I mean it.
*/
-static void gras_ddt_freev(void *ddt) {
- gras_datadesc_type_t *type= (gras_datadesc_type_t *)ddt;
-
+void gras_ddt_freev(void *ddt)
+{
+ gras_datadesc_type_t type = (gras_datadesc_type_t) ddt;
+
if (type) {
- gras_ddt_free(&type);
+ gras_datadesc_free(&type);
}
}
-static gras_error_t
-gras_ddt_new(const char *name,
- gras_datadesc_type_t **dst) {
+static gras_datadesc_type_t gras_ddt_new(const char *name)
+{
+ gras_datadesc_type_t res;
- gras_error_t errcode;
- gras_datadesc_type_t *res=malloc(sizeof(gras_datadesc_type_t));
- if (!res)
- RAISE_MALLOC;
+ XBT_IN1("(%s)", name);
+ res = xbt_new0(s_gras_datadesc_type_t, 1);
- memset(res, 0, sizeof(gras_datadesc_type_t));
- res->name = strdup(name);
+ res->name = (char *) strdup(name);
res->name_len = strlen(name);
-
- TRY(gras_set_add(gras_datadesc_set_local,
- (gras_set_elm_t*)res,&gras_ddt_freev));
+ res->cycle = 0;
+
+ xbt_set_add(gras_datadesc_set_local, (xbt_set_elm_t) res, gras_ddt_freev);
+ XBT_OUT;
+ return res;
+}
- *dst=res;
- return no_error;
+/** @brief retrieve an existing message type from its name (or NULL if it does not exist). */
+gras_datadesc_type_t gras_datadesc_by_name_or_null(const char *name)
+{
+ xbt_ex_t e;
+ gras_datadesc_type_t res = NULL;
+
+ TRY {
+ res = gras_datadesc_by_name(name);
+ } CATCH(e) {
+ res = NULL;
+ xbt_ex_free(e);
+ }
+ return res;
}
/**
- * gras_datadesc_by_name:
- *
- * Retrieve a type from its name
+ * Search the given datadesc (or raises an exception if it can't be found)
*/
-gras_datadesc_type_t *gras_datadesc_by_name(const char *name) {
-
- gras_datadesc_type_t *type;
-
- if (gras_set_get_by_name(gras_datadesc_set_local,
- name,(gras_set_elm_t**)&type) == no_error) {
- return type;
- } else {
- return NULL;
+gras_datadesc_type_t gras_datadesc_by_name(const char *name)
+{
+ xbt_ex_t e;
+ gras_datadesc_type_t res = NULL;
+ volatile int found = 0;
+ TRY {
+ res =
+ (gras_datadesc_type_t) xbt_set_get_by_name(gras_datadesc_set_local,
+ name);
+ found = 1;
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ xbt_ex_free(e);
}
+ if (!found)
+ THROW1(not_found_error, 0, "No registred datatype of that name: %s",
+ name);
+
+ return res;
}
/**
- * gras_datadesc_by_id:
- *
- * Retrieve a type from its code
+ * Retrieve a type from its code (or NULL if not found)
*/
-gras_error_t gras_datadesc_by_id(long int code,
- gras_datadesc_type_t **type) {
- return gras_set_get_by_id(gras_datadesc_set_local,
- code,(gras_set_elm_t**)type);
+gras_datadesc_type_t gras_datadesc_by_id(long int code)
+{
+ xbt_ex_t e;
+ gras_datadesc_type_t res = NULL;
+ TRY {
+ res =
+ (gras_datadesc_type_t) xbt_set_get_by_id(gras_datadesc_set_local, code);
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ xbt_ex_free(e);
+ res = NULL;
+ }
+ return res;
}
/**
- * gras_datadesc_declare_scalar:
- *
- * Create a new scalar and give a pointer to it
+ * Create a new scalar and give a pointer to it
*/
-gras_error_t
-gras_datadesc_declare_scalar(const char *name,
- gras_ddt_scalar_type_t type,
- enum e_gras_dd_scalar_encoding encoding,
- gras_datadesc_type_cb_void_t cb,
- gras_datadesc_type_t **dst) {
-
- gras_error_t errcode;
- gras_datadesc_type_t *res;
- long int arch;
-
- TRY(gras_ddt_new(name,dst));
- res=*dst;
-
- for (arch = 0; arch < gras_arch_count; arch ++) {
- long int sz;
- long int mask;
+gras_datadesc_type_t
+gras_datadesc_scalar(const char *name,
+ gras_ddt_scalar_type_t type,
+ enum e_gras_dd_scalar_encoding encoding)
+{
- res->size[arch] = gras_arch_sizes[arch].sizeof_scalars[type];
-
- sz = res->size[arch];
- mask = sz;
-
- /* just in case you wonder, x>>1 == x/2 on all architectures when x>=0 and a size is always>=0 */
+ gras_datadesc_type_t res;
+ long int arch;
- /* make sure mask have all the bits under the biggest one of size set to 1
- Example: size=000100101 => mask=0000111111 */
- while ((sz >>= 1)) {
- mask |= sz;
- }
-
- if (res->size[arch] & (mask >> 1)) { /* if size have bits to one beside its biggest */
- /* size is not a power of 2 */
- /* alignment= next power of 2 after size */
- res->alignment[arch] = (res->size[arch] & ~(mask >> 1)) << 1;
- gras_assert0(res->alignment[arch] != 0,
- "scalar type too large");
-
- res->aligned_size[arch] = aligned(res->size[arch], res->alignment[arch]);
- gras_assert0 (res->aligned_size[arch] >= 0,
- "scalar type too large");
-
- } else {
- /* size is a power of 2, life is great */
- res->alignment[arch] = res->size[arch];
- res->aligned_size[arch] = res->size[arch];
- }
+ XBT_IN;
+ res = gras_datadesc_by_name_or_null(name);
+ if (res) {
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_scalar,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.scalar_data.encoding == encoding,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.scalar_data.type == type,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+ return res;
+ }
+ res = gras_ddt_new(name);
- /* FIXME size < 0 sometimes?
- } else {
- res->alignment = 0;
- res->aligned_size = 0;
- }
- */
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ res->size[arch] = gras_arches[arch].sizeofs[type];
+ res->alignment[arch] = gras_arches[arch].boundaries[type];
+ res->aligned_size[arch] =
+ ddt_aligned(res->size[arch], res->alignment[arch]);
}
- res->category_code = e_gras_datadesc_type_cat_scalar;
+ res->category_code = e_gras_datadesc_type_cat_scalar;
res->category.scalar_data.encoding = encoding;
+ res->category.scalar_data.type = type;
+ XBT_OUT;
- res->pre = cb;
- return no_error;
+ return res;
}
-/**
- * gras_dd_cat_field_free:
- *
- * Frees one struct or union field
- */
-void gras_dd_cat_field_free(void *f) {
- gras_dd_cat_field_t *field = (gras_dd_cat_field_t *)f;
+/** Frees one struct or union field */
+void gras_dd_cat_field_free(void *f)
+{
+ gras_dd_cat_field_t field = *(gras_dd_cat_field_t *) f;
+ XBT_IN;
if (field) {
- if (field->name)
+ if (field->name)
free(field->name);
free(field);
}
+ XBT_OUT;
}
-/**
- * gras_datadesc_declare_struct:
- *
- * Create a new struct and give a pointer to it
- */
-gras_error_t
-gras_datadesc_declare_struct(const char *name,
- gras_datadesc_type_t **dst) {
+/** \brief Declare a new structure description */
+gras_datadesc_type_t gras_datadesc_struct(const char *name)
+{
- gras_error_t errcode;
- gras_datadesc_type_t *res;
+ gras_datadesc_type_t res;
long int arch;
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ XBT_IN1("(%s)", name);
+ res = gras_datadesc_by_name_or_null(name);
+ if (res) {
+ /* FIXME: Check that field redefinition matches */
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_struct,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+ return res;
+ }
+ res = gras_ddt_new(name);
- for (arch=0; arch<gras_arch_count; arch ++) {
- res->size[arch] = 0;
- res->alignment[arch] = 0;
- res->aligned_size[arch] = 0;
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ res->size[arch] = 0;
+ res->alignment[arch] = 0;
+ res->aligned_size[arch] = 0;
}
- res->category_code = e_gras_datadesc_type_cat_struct;
- TRY(gras_dynar_new(&(res->category.struct_data.fields),
- sizeof(gras_dd_cat_field_t*),
- &gras_dd_cat_field_free));
+ res->category_code = e_gras_datadesc_type_cat_struct;
+ res->category.struct_data.fields =
+ xbt_dynar_new(sizeof(gras_dd_cat_field_t), gras_dd_cat_field_free);
- return no_error;
+ XBT_OUT;
+ return res;
}
-/**
- * gras_datadesc_declare_struct_append:
- *
- * Append a field to the struct
- */
-gras_error_t
-gras_datadesc_declare_struct_append(gras_datadesc_type_t *struct_type,
- const char *name,
- gras_datadesc_type_t *field_type) {
+/** \brief Append a new field to a structure description */
+void
+gras_datadesc_struct_append(gras_datadesc_type_t struct_type,
+ const char *name, gras_datadesc_type_t field_type)
+{
- gras_error_t errcode;
- gras_dd_cat_field_t *field;
+ gras_dd_cat_field_t field;
int arch;
- gras_assert0(field_type->size >= 0,
- "Cannot add a dynamically sized field in a structure");
-
- field=malloc(sizeof(gras_dd_cat_field_t));
- if (!field)
- RAISE_MALLOC;
+ xbt_assert2(field_type,
+ "Cannot add the field '%s' into struct '%s': its type is NULL",
+ name, struct_type->name);
+ XBT_IN3("(%s %s.%s;)", field_type->name, struct_type->name, name);
+ if (struct_type->category.struct_data.closed) {
+ VERB1
+ ("Ignoring request to add field to struct %s (closed. Redefinition?)",
+ struct_type->name);
+ return;
+ }
+
+ xbt_assert1(field_type->size[GRAS_THISARCH] >= 0,
+ "Cannot add a dynamically sized field in structure %s",
+ struct_type->name);
+
+ field = xbt_new(s_gras_dd_cat_field_t, 1);
+ field->name = (char *) strdup(name);
- field->name = strdup(name);
+ DEBUG0("----------------");
+ DEBUG3("PRE s={size=%ld,align=%ld,asize=%ld}",
+ struct_type->size[GRAS_THISARCH],
+ struct_type->alignment[GRAS_THISARCH],
+ struct_type->aligned_size[GRAS_THISARCH]);
- for (arch=0; arch<gras_arch_count; arch ++) {
- field->offset[arch] = aligned(struct_type->size[arch], field_type->alignment[arch]);
+
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ field->offset[arch] = ddt_aligned(struct_type->size[arch],
+ field_type->alignment[arch]);
+
+ struct_type->size[arch] = field->offset[arch] + field_type->size[arch];
+ struct_type->alignment[arch] = max(struct_type->alignment[arch],
+ field_type->alignment[arch]);
+ struct_type->aligned_size[arch] = ddt_aligned(struct_type->size[arch],
+ struct_type->alignment
+ [arch]);
}
- field->code = field_type->code;
- field->pre = NULL;
- field->post = NULL;
-
- TRY(gras_dynar_push(struct_type->category.struct_data.fields, &field));
+ field->type = field_type;
+ field->send = NULL;
+ field->recv = NULL;
+
+ xbt_dynar_push(struct_type->category.struct_data.fields, &field);
+
+ DEBUG3("Push a %s into %s at offset %ld.",
+ field_type->name, struct_type->name, field->offset[GRAS_THISARCH]);
+ DEBUG3(" f={size=%ld,align=%ld,asize=%ld}",
+ field_type->size[GRAS_THISARCH],
+ field_type->alignment[GRAS_THISARCH],
+ field_type->aligned_size[GRAS_THISARCH]);
+ DEBUG3(" s={size=%ld,align=%ld,asize=%ld}",
+ struct_type->size[GRAS_THISARCH],
+ struct_type->alignment[GRAS_THISARCH],
+ struct_type->aligned_size[GRAS_THISARCH]);
+ XBT_OUT;
+}
- for (arch=0; arch<gras_arch_count; arch ++) {
- struct_type->size[arch] = field->offset[arch] + field_type->size[arch];
- struct_type->alignment[arch] = max(struct_type->alignment[arch], field_type->alignment[arch]);
- struct_type->aligned_size[arch] = aligned(struct_type->size[arch], struct_type->alignment[arch]);
+/** \brief Close a structure description
+ *
+ * No new field can be added afterward, and it is mandatory to close the structure before using it.
+ */
+void gras_datadesc_struct_close(gras_datadesc_type_t struct_type)
+{
+ int arch;
+ XBT_IN;
+ struct_type->category.struct_data.closed = 1;
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ struct_type->size[arch] = struct_type->aligned_size[arch];
}
+ DEBUG4("structure %s closed. size=%ld,align=%ld,asize=%ld",
+ struct_type->name,
+ struct_type->size[GRAS_THISARCH],
+ struct_type->alignment[GRAS_THISARCH],
+ struct_type->aligned_size[GRAS_THISARCH]);
+}
- return no_error;
+/**
+ * gras_datadesc_cycle_set:
+ *
+ * Tell GRAS that the pointers of the type described by ddt may present
+ * some loop, and that the cycle detection mechanism is needed.
+ *
+ * Note that setting this option when not needed have a rather bad effect
+ * on the performance (several times slower on big data).
+ */
+void gras_datadesc_cycle_set(gras_datadesc_type_t ddt)
+{
+ ddt->cycle = 1;
}
/**
- * gras_datadesc_declare_union:
+ * gras_datadesc_cycle_unset:
*
- * Create a new union and give a pointer to it
+ * Tell GRAS that the pointers of the type described by ddt do not present
+ * any loop and that cycle detection mechanism are not needed.
+ * (default)
*/
-gras_error_t
-gras_datadesc_declare_union(const char *name,
- gras_datadesc_type_cb_int_t selector,
- gras_datadesc_type_t **dst) {
+void gras_datadesc_cycle_unset(gras_datadesc_type_t ddt)
+{
+ ddt->cycle = 0;
+}
- gras_error_t errcode;
- gras_datadesc_type_t *res;
+/** \brief Declare a new union description */
+gras_datadesc_type_t
+gras_datadesc_union(const char *name, gras_datadesc_type_cb_int_t selector)
+{
+
+ gras_datadesc_type_t res;
int arch;
- gras_assert0(selector,
- "Attempt to creat an union without field_count function");
+ XBT_IN1("(%s)", name);
+ xbt_assert0(selector,
+ "Attempt to creat an union without field_count function");
+
+ res = gras_datadesc_by_name_or_null(name);
+ if (res) {
+ /* FIXME: Check that field redefinition matches */
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_union,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.union_data.selector == selector,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+ return res;
+ }
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ res = gras_ddt_new(name);
- for (arch=0; arch<gras_arch_count; arch ++) {
- res->size[arch] = 0;
- res->alignment[arch] = 0;
- res->aligned_size[arch] = 0;
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ res->size[arch] = 0;
+ res->alignment[arch] = 0;
+ res->aligned_size[arch] = 0;
}
- res->category_code = e_gras_datadesc_type_cat_union;
- TRY(gras_dynar_new(&(res->category.union_data.fields),
- sizeof(gras_dd_cat_field_t*),
- &gras_dd_cat_field_free));
+
+ res->category_code = e_gras_datadesc_type_cat_union;
+ res->category.union_data.fields =
+ xbt_dynar_new(sizeof(gras_dd_cat_field_t *), gras_dd_cat_field_free);
res->category.union_data.selector = selector;
- return no_error;
+ return res;
}
-/**
- * gras_datadesc_declare_union_append:
- *
- * Append a field to the union
- */
-gras_error_t
-gras_datadesc_declare_union_append(gras_datadesc_type_t *union_type,
- const char *name,
- gras_datadesc_type_t *field_type) {
+/** \brief Append a new field to an union description */
+void gras_datadesc_union_append(gras_datadesc_type_t union_type,
+ const char *name,
+ gras_datadesc_type_t field_type)
+{
- gras_error_t errcode;
- gras_dd_cat_field_t *field;
+ gras_dd_cat_field_t field;
int arch;
- gras_assert0(field_type->size >= 0,
- "Cannot add a dynamically sized field in an union");
-
- field=malloc(sizeof(gras_dd_cat_field_t));
- if (!field)
- RAISE_MALLOC;
+ XBT_IN3("(%s %s.%s;)", field_type->name, union_type->name, name);
+ xbt_assert1(field_type->size[GRAS_THISARCH] >= 0,
+ "Cannot add a dynamically sized field in union %s",
+ union_type->name);
- field->name = strdup(name);
- for (arch=0; arch<gras_arch_count; arch ++) {
- field->offset[arch] = 0; /* that's the purpose of union ;) */
+ if (union_type->category.union_data.closed) {
+ VERB1("Ignoring request to add field to union %s (closed)",
+ union_type->name);
+ return;
}
- field->code = field_type->code;
- field->pre = NULL;
- field->post = NULL;
-
- TRY(gras_dynar_push(union_type->category.union_data.fields, &field));
- for (arch=0; arch<gras_arch_count; arch ++) {
- union_type->size[arch] = max(union_type->size[arch], field_type->size[arch]);
- union_type->alignment[arch] = max(union_type->alignment[arch], field_type->alignment[arch]);
- union_type->aligned_size[arch] = aligned(union_type->size[arch], union_type->alignment[arch]);
+ field = xbt_new0(s_gras_dd_cat_field_t, 1);
+
+ field->name = (char *) strdup(name);
+ field->type = field_type;
+ /* All offset are left to 0 in an union */
+
+ xbt_dynar_push(union_type->category.union_data.fields, &field);
+
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ union_type->size[arch] = max(union_type->size[arch],
+ field_type->size[arch]);
+ union_type->alignment[arch] = max(union_type->alignment[arch],
+ field_type->alignment[arch]);
+ union_type->aligned_size[arch] = ddt_aligned(union_type->size[arch],
+ union_type->alignment[arch]);
}
+}
+
- return no_error;
+/** \brief Close an union description
+ *
+ * No new field can be added afterward, and it is mandatory to close the union before using it.
+ */
+void gras_datadesc_union_close(gras_datadesc_type_t union_type)
+{
+ union_type->category.union_data.closed = 1;
}
-/**
- * gras_datadesc_declare_ref:
+/** \brief Copy a type under another name
*
- * Create a new ref to a fixed type and give a pointer to it
+ * This may reveal useful to circumvent parsing macro limitations
*/
-gras_error_t
-gras_datadesc_declare_ref(const char *name,
- gras_datadesc_type_t *referenced_type,
- gras_datadesc_type_t **dst) {
-
- gras_error_t errcode;
- gras_datadesc_type_t *res;
- gras_datadesc_type_t *pointer_type = gras_datadesc_by_name("data pointer");
- int arch;
+gras_datadesc_type_t
+gras_datadesc_copy(const char *name, gras_datadesc_type_t copied)
+{
+
+ gras_datadesc_type_t res = gras_ddt_new(name);
+ char *name_cpy = res->name;
+
+ memcpy(res, copied, sizeof(s_gras_datadesc_type_t));
+ res->name = name_cpy;
+ return res;
+}
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+/** \brief Declare a new type being a reference to the one passed in arg */
+gras_datadesc_type_t
+gras_datadesc_ref(const char *name, gras_datadesc_type_t referenced_type)
+{
- gras_assert0(pointer_type, "Cannot get the description of data pointer");
-
- for (arch=0; arch<gras_arch_count; arch ++) {
- res->size[arch] = pointer_type->size[arch];
- res->alignment[arch] = pointer_type->alignment[arch];
- res->aligned_size[arch] = pointer_type->aligned_size[arch];
+ gras_datadesc_type_t res;
+ gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
+ int arch;
+
+ XBT_IN1("(%s)", name);
+ res = gras_datadesc_by_name_or_null(name);
+ if (res) {
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
+ "Redefinition of %s does not match", name);
+ xbt_assert1(res->category.ref_data.type == referenced_type,
+ "Redefinition of %s does not match", name);
+ xbt_assert1(res->category.ref_data.selector == NULL,
+ "Redefinition of %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+ return res;
}
- res->category_code = e_gras_datadesc_type_cat_ref;
+ res = gras_ddt_new(name);
- res->category.ref_data.code = referenced_type->code;
+ xbt_assert0(pointer_type, "Cannot get the description of data pointer");
+
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ res->size[arch] = pointer_type->size[arch];
+ res->alignment[arch] = pointer_type->alignment[arch];
+ res->aligned_size[arch] = pointer_type->aligned_size[arch];
+ }
+
+ res->category_code = e_gras_datadesc_type_cat_ref;
+ res->category.ref_data.type = referenced_type;
res->category.ref_data.selector = NULL;
- return no_error;
+ return res;
}
-/**
- * gras_datadesc_declare_ref_generic:
+
+/** \brief Declare a new type being a generic reference.
*
- * Create a new ref to a type given at use time, and give a pointer to it
+ * The callback passed in argument is to be used to select which type is currently used.
+ * So, when GRAS wants to send a generic reference, it passes the current data to the selector
+ * callback and expects it to return the type description to use.
*/
-gras_error_t
-gras_datadesc_declare_ref_generic(const char *name,
- gras_datadesc_type_cb_int_t selector,
- gras_datadesc_type_t **dst) {
-
- gras_error_t errcode;
- gras_datadesc_type_t *res;
- gras_datadesc_type_t *pointer_type = gras_datadesc_by_name("data pointer");
+gras_datadesc_type_t
+gras_datadesc_ref_generic(const char *name, gras_datadesc_selector_t selector)
+{
+
+ gras_datadesc_type_t res;
+ gras_datadesc_type_t pointer_type = gras_datadesc_by_name("data pointer");
int arch;
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ XBT_IN1("(%s)", name);
+ res = gras_datadesc_by_name_or_null(name);
+
+ if (res) {
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.ref_data.type == NULL,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.ref_data.selector == selector,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+ return res;
+ }
+ res = gras_ddt_new(name);
+
+ xbt_assert0(pointer_type, "Cannot get the description of data pointer");
- gras_assert0(pointer_type, "Cannot get the description of data pointer");
-
- for (arch=0; arch<gras_arch_count; arch ++) {
- res->size[arch] = pointer_type->size[arch];
- res->alignment[arch] = pointer_type->alignment[arch];
- res->aligned_size[arch] = pointer_type->aligned_size[arch];
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ res->size[arch] = pointer_type->size[arch];
+ res->alignment[arch] = pointer_type->alignment[arch];
+ res->aligned_size[arch] = pointer_type->aligned_size[arch];
}
- res->category_code = e_gras_datadesc_type_cat_ref;
+ res->category_code = e_gras_datadesc_type_cat_ref;
- res->category.ref_data.code = -1;
+ res->category.ref_data.type = NULL;
res->category.ref_data.selector = selector;
- return no_error;
+ return res;
}
-/**
- * gras_datadesc_declare_array_fixed:
- *
- * Create a new array and give a pointer to it
- */
-gras_error_t
-gras_datadesc_declare_array_fixed(const char *name,
- gras_datadesc_type_t *element_type,
- long int fixed_size,
- gras_datadesc_type_t **dst) {
-
- gras_error_t errcode;
- gras_datadesc_type_t *res;
+/** \brief Declare a new type being an array of fixed size and content */
+gras_datadesc_type_t
+gras_datadesc_array_fixed(const char *name,
+ gras_datadesc_type_t element_type,
+ long int fixed_size)
+{
+
+ gras_datadesc_type_t res;
int arch;
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ XBT_IN1("(%s)", name);
+ res = gras_datadesc_by_name_or_null(name);
+ if (res) {
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
+ "Redefinition of type %s does not match", name);
+
+ if (res->category.array_data.type != element_type) {
+ ERROR1("Redefinition of type %s does not match: array elements differ",
+ name);
+ gras_datadesc_type_dump(res->category.array_data.type);
+ gras_datadesc_type_dump(element_type);
+ }
+
+ xbt_assert1(res->category.array_data.fixed_size == fixed_size,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.array_data.dynamic_size == NULL,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+
+ return res;
+ }
+ res = gras_ddt_new(name);
- gras_assert1(fixed_size > 0, "'%s' is a array of negative fixed size",name);
- for (arch=0; arch<gras_arch_count; arch ++) {
+ xbt_assert1(fixed_size >= 0, "'%s' is a array of negative fixed size",
+ name);
+ for (arch = 0; arch < gras_arch_count; arch++) {
res->size[arch] = fixed_size * element_type->aligned_size[arch];
- res->alignment[arch] = element_type->alignment[arch];
- res->aligned_size[arch] = fixed_size; /*FIXME: That was so in GS, but looks stupid*/
+ res->alignment[arch] = element_type->alignment[arch];
+ res->aligned_size[arch] = res->size[arch];
}
- res->category_code = e_gras_datadesc_type_cat_array;
- res->category.array_data.code = element_type->code;
- res->category.array_data.fixed_size = fixed_size;
+ res->category_code = e_gras_datadesc_type_cat_array;
+
+ res->category.array_data.type = element_type;
+ res->category.array_data.fixed_size = fixed_size;
res->category.array_data.dynamic_size = NULL;
- return no_error;
+ return res;
}
-/**
- * gras_datadesc_declare_array_dyn:
- *
- * Create a new array and give a pointer to it
- */
-gras_error_t
-gras_datadesc_declare_array_dyn(const char *name,
- gras_datadesc_type_t *element_type,
- gras_datadesc_type_cb_int_t dynamic_size,
- gras_datadesc_type_t **dst) {
-
- gras_error_t errcode;
- gras_datadesc_type_t *res;
+
+/** \brief Declare a new type being an array of fixed size, but accepting several content types. */
+gras_datadesc_type_t gras_datadesc_array_dyn(const char *name,
+ gras_datadesc_type_t
+ element_type,
+ gras_datadesc_type_cb_int_t
+ dynamic_size)
+{
+
+ gras_datadesc_type_t res;
int arch;
- gras_assert1(dynamic_size,
- "'%s' is a dynamic array without size discriminant",
- name);
+ XBT_IN1("(%s)", name);
+ xbt_assert1(dynamic_size,
+ "'%s' is a dynamic array without size discriminant", name);
+
+ res = gras_datadesc_by_name_or_null(name);
+ if (res) {
+ xbt_assert1(res->category_code == e_gras_datadesc_type_cat_array,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.array_data.type == element_type,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.array_data.fixed_size == -1,
+ "Redefinition of type %s does not match", name);
+ xbt_assert1(res->category.array_data.dynamic_size == dynamic_size,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s", name);
+
+ return res;
+ }
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ res = gras_ddt_new(name);
- for (arch=0; arch<gras_arch_count; arch ++) {
- res->size[arch] = -1; /* make sure it indicates "dynamic" */
- res->alignment[arch] = element_type->alignment[arch];
- res->aligned_size[arch] = -1; /*FIXME: That was so in GS, but looks stupid*/
+ for (arch = 0; arch < gras_arch_count; arch++) {
+ res->size[arch] = 0; /* make sure it indicates "dynamic" */
+ res->alignment[arch] = element_type->alignment[arch];
+ res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid */
}
- res->category_code = e_gras_datadesc_type_cat_array;
- res->category.array_data.code = element_type->code;
- res->category.array_data.fixed_size = -1;
+ res->category_code = e_gras_datadesc_type_cat_array;
+
+ res->category.array_data.type = element_type;
+ res->category.array_data.fixed_size = -1;
res->category.array_data.dynamic_size = dynamic_size;
- return no_error;
+ return res;
}
-/**
- * gras_datadesc_declare_parse:
+/** \brief Declare a new type being an array which size can be found with \ref gras_cbps_i_pop
+ *
+ * Most of the time, you want to include a reference in your structure which
+ * is a pointer to a dynamic array whose size is fixed by another field of
+ * your structure.
+ *
+ * This case pops up so often that this function was created to take care of
+ * this case. It creates a dynamic array type whose size is poped from the
+ * current cbps, and then create a reference to it.
+ *
+ * The name of the created datatype will be the name of the element type, with
+ * '[]*' appended to it.
+ *
+ * Then to use it, you just have to make sure that your structure pre-callback
+ * does push the size of the array in the cbps (using #gras_cbps_i_push), and
+ * you are set.
+ *
+ * But be remember that this is a stack. If you have two different pop_arr, you
+ * should push the second one first, so that the first one is on the top of the
+ * list when the first field gets transfered.
+ *
+ */
+gras_datadesc_type_t
+gras_datadesc_ref_pop_arr(gras_datadesc_type_t element_type)
+{
+
+ gras_datadesc_type_t res,ddt2;
+ char *name = (char *) xbt_malloc(strlen(element_type->name) + 4);
+
+ sprintf(name, "%s[]", element_type->name);
+ /* Make sure we are not trying to redefine a ddt with the same name */
+ ddt2 = gras_datadesc_by_name_or_null(name);
+ int cpt=0;
+ while (ddt2) {
+ free(name);
+ name=bprintf("%s[]_%d",element_type->name,cpt++);
+ ddt2=gras_datadesc_by_name_or_null(name);
+ }
+
+ res = gras_datadesc_array_dyn(name, element_type, gras_datadesc_cb_pop);
+
+ sprintf(name, "%s[]*", element_type->name);
+ cpt=0;
+ ddt2 = gras_datadesc_by_name_or_null(name);
+ while (ddt2) {
+ free(name);
+ name=bprintf("%s[]*_%d",element_type->name,cpt++);
+ ddt2=gras_datadesc_by_name_or_null(name);
+ }
+
+ res = gras_datadesc_ref(name, res);
+
+ free(name);
+
+ return res;
+}
+
+/*
+ *##
+ *## Constructor of container datatypes
+ *##
+ */
+
+static void gras_datadesc_dynar_cb(gras_datadesc_type_t typedesc,
+ gras_cbps_t vars, void *data)
+{
+ gras_datadesc_type_t subtype;
+ xbt_dynar_t dynar = (xbt_dynar_t) data;
+
+ memcpy(&dynar->free_f, &typedesc->extra, sizeof(dynar->free_f));
+
+ /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
+ subtype = gras_dd_find_field(typedesc, "data")->type;
+
+ /* this is now a ref to array of what we're looking for */
+ subtype = subtype->category.ref_data.type;
+ subtype = subtype->category.array_data.type;
+
+ DEBUG1("subtype is %s", subtype->name);
+
+ dynar->elmsize = subtype->size[GRAS_THISARCH];
+ dynar->size = dynar->used;
+ dynar->mutex = NULL;
+}
+
+/** \brief Declare a new type being a dynar in which each elements are of the given type
+ *
+ * The type gets registered under the name "dynar(%s)_s", where %s is the name of the subtype.
+ * For example, a dynar of doubles will be called "dynar(double)_s" and a dynar of dynar of
+ * strings will be called "dynar(dynar(string)_s)_s".
*
- * Create a datadescription from the result of parsing the C type description
+ * \param elm_t: the datadesc of the elements
+ * \param free_func: the function to use to free the elements when the dynar gets freed
*/
-gras_error_t
-gras_datadesc_parse(const char *name,
- const char *C_statement,
- gras_datadesc_type_t **dst) {
- RAISE_UNIMPLEMENTED;
+gras_datadesc_type_t
+gras_datadesc_dynar(gras_datadesc_type_t elm_t, void_f_pvoid_t free_func)
+{
+
+ char *buffname;
+ gras_datadesc_type_t res;
+
+ asprintf(&buffname, "s_xbt_dynar_of_%s", elm_t->name);
+
+ res = gras_datadesc_struct(buffname);
+
+ gras_datadesc_struct_append(res, "size",
+ gras_datadesc_by_name("unsigned long int"));
+
+ gras_datadesc_struct_append(res, "used",
+ gras_datadesc_by_name("unsigned long int"));
+
+ gras_datadesc_struct_append(res, "elmsize",
+ gras_datadesc_by_name("unsigned long int"));
+
+ gras_datadesc_struct_append(res, "data", gras_datadesc_ref_pop_arr(elm_t));
+
+ gras_datadesc_struct_append(res, "free_f",
+ gras_datadesc_by_name("function pointer"));
+ memcpy(res->extra, &free_func, sizeof(free_func));
+
+ gras_datadesc_struct_append(res, "mutex",
+ gras_datadesc_by_name("data pointer"));
+
+ gras_datadesc_struct_close(res);
+
+ gras_datadesc_cb_field_push(res, "used");
+ gras_datadesc_cb_recv(res, &gras_datadesc_dynar_cb);
+
+ /* build a ref to it */
+ free(buffname);
+ asprintf(&buffname, "xbt_dynar_of_%s", elm_t->name);
+ res = gras_datadesc_ref(buffname, res);
+ free(buffname);
+ return res;
+}
+
+#include "xbt/matrix.h"
+static void gras_datadesc_matrix_cb(gras_datadesc_type_t typedesc,
+ gras_cbps_t vars, void *data)
+{
+ gras_datadesc_type_t subtype;
+ xbt_matrix_t matrix = (xbt_matrix_t) data;
+
+ memcpy(&matrix->free_f, &typedesc->extra, sizeof(matrix->free_f));
+
+ /* search for the elemsize in what we have. If elements are "int", typedesc got is "int[]*" */
+ subtype = gras_dd_find_field(typedesc, "data")->type;
+
+ /* this is now a ref to array of what we're looking for */
+ subtype = subtype->category.ref_data.type;
+ subtype = subtype->category.array_data.type;
+
+ DEBUG1("subtype is %s", subtype->name);
+
+ matrix->elmsize = subtype->size[GRAS_THISARCH];
+}
+
+gras_datadesc_type_t
+gras_datadesc_matrix(gras_datadesc_type_t elm_t, void_f_pvoid_t const free_f)
+{
+ char *buffname;
+ gras_datadesc_type_t res;
+
+ asprintf(&buffname, "s_xbt_matrix_t(%s)", elm_t->name);
+ res = gras_datadesc_struct(buffname);
+
+ gras_datadesc_struct_append(res, "lines",
+ gras_datadesc_by_name("unsigned int"));
+ gras_datadesc_struct_append(res, "rows",
+ gras_datadesc_by_name("unsigned int"));
+
+ gras_datadesc_struct_append(res, "elmsize",
+ gras_datadesc_by_name("unsigned long int"));
+
+ gras_datadesc_struct_append(res, "data", gras_datadesc_ref_pop_arr(elm_t));
+ gras_datadesc_struct_append(res, "free_f",
+ gras_datadesc_by_name("function pointer"));
+ gras_datadesc_struct_close(res);
+
+ gras_datadesc_cb_field_push(res, "lines");
+ gras_datadesc_cb_field_push_multiplier(res, "rows");
+
+ gras_datadesc_cb_recv(res, &gras_datadesc_matrix_cb);
+ memcpy(res->extra, &free_f, sizeof(free_f));
+
+ /* build a ref to it */
+ free(buffname);
+ asprintf(&buffname, "xbt_matrix_t(%s)", elm_t->name);
+ res = gras_datadesc_ref(buffname, res);
+ free(buffname);
+ return res;
}
+gras_datadesc_type_t
+gras_datadesc_import_nws(const char *name,
+ const DataDescriptor * desc, unsigned long howmany)
+{
+ THROW_UNIMPLEMENTED;
+}
-gras_error_t
-gras_datadesc_import_nws(const char *name,
- const DataDescriptor *desc,
- size_t howmany,
- gras_datadesc_type_t **dst) {
- RAISE_UNIMPLEMENTED;
+/**
+ * (useful to push the sizes of the upcoming arrays, for example)
+ */
+void gras_datadesc_cb_send(gras_datadesc_type_t type,
+ gras_datadesc_type_cb_void_t send)
+{
+ type->send = send;
}
/**
- * gras_ddt_free:
+ * (useful to put the function pointers to the rigth value, for example)
+ */
+void gras_datadesc_cb_recv(gras_datadesc_type_t type,
+ gras_datadesc_type_cb_void_t recv)
+{
+ type->recv = recv;
+}
+
+/*
+ * gras_dd_find_field:
*
- * Frees a datadescription.
+ * Returns the type descriptor of the given field. Abort on error.
*/
-void gras_ddt_free(gras_datadesc_type_t **type) {
- gras_datadesc_type_t *t;
-
- if (type && *type) {
- t=*type;
-
- free(t->name);
- switch (t->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- case e_gras_datadesc_type_cat_ref:
- case e_gras_datadesc_type_cat_array:
- /* nothing to free in there */
- break;
-
- case e_gras_datadesc_type_cat_ignored:
- if (t->category.ignored_data.free_func) {
- t->category.ignored_data.free_func(t->category.ignored_data.default_value);
- }
- break;
-
- case e_gras_datadesc_type_cat_struct:
- gras_dynar_free(t->category.struct_data.fields);
- break;
-
- case e_gras_datadesc_type_cat_union:
- gras_dynar_free(t->category.union_data.fields);
- break;
-
- default:
- /* datadesc was invalid. Killing it is like euthanasy, I guess */
- break;
+static gras_dd_cat_field_t
+gras_dd_find_field(gras_datadesc_type_t type, const char *field_name)
+{
+ xbt_dynar_t field_array;
+
+ gras_dd_cat_field_t field = NULL;
+ unsigned int field_num;
+
+ if (type->category_code == e_gras_datadesc_type_cat_union) {
+ field_array = type->category.union_data.fields;
+ } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
+ field_array = type->category.struct_data.fields;
+ } else {
+ ERROR2("%s (%p) is not a struct nor an union. There is no field.",
+ type->name, (void *) type);
+ xbt_abort();
+ }
+ xbt_dynar_foreach(field_array, field_num, field) {
+ if (!strcmp(field_name, field->name)) {
+ return field;
}
}
+ ERROR2("No field named '%s' in '%s'", field_name, type->name);
+ xbt_abort();
+
+}
+
+/**
+ * The given datadesc must be a struct or union (abort if not).
+ * (useful to push the sizes of the upcoming arrays, for example)
+ */
+void gras_datadesc_cb_field_send(gras_datadesc_type_t type,
+ const char *field_name,
+ gras_datadesc_type_cb_void_t send)
+{
+
+ gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
+ field->send = send;
+}
+
+
+/**
+ * The value, which must be an int, unsigned int, long int or unsigned long int
+ * is pushed to the stacks of sizes and can then be retrieved with
+ * \ref gras_datadesc_ref_pop_arr or directly with \ref gras_cbps_i_pop.
+ */
+void gras_datadesc_cb_field_push(gras_datadesc_type_t type,
+ const char *field_name)
+{
+
+ gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
+ gras_datadesc_type_t sub_type = field->type;
+
+ DEBUG3("add a PUSHy cb to '%s' field (type '%s') of '%s'",
+ field_name, sub_type->name, type->name);
+ if (!strcmp("int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_int;
+ } else if (!strcmp("unsigned int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_uint;
+ } else if (!strcmp("long int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_lint;
+ } else if (!strcmp("unsigned long int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_ulint;
+ } else {
+ ERROR1
+ ("Field %s is not an int, unsigned int, long int neither unsigned long int",
+ sub_type->name);
+ xbt_abort();
+ }
}
/**
- * gras_datadesc_cb_set_pre:
+ * Any previously pushed value is poped and the field value is multiplied to
+ * it. The result is then pushed back into the stack of sizes. It can then be
+ * retrieved with \ref gras_datadesc_ref_pop_arr or directly with \ref
+ * gras_cbps_i_pop.
*
- * Add a pre-send callback to this datadexc
+ * The field must be an int, unsigned int, long int or unsigned long int.
*/
-void gras_datadesc_cb_set_pre (gras_datadesc_type_t *type,
- gras_datadesc_type_cb_void_t pre) {
- type->pre = pre;
+void gras_datadesc_cb_field_push_multiplier(gras_datadesc_type_t type,
+ const char *field_name)
+{
+
+ gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
+ gras_datadesc_type_t sub_type = field->type;
+
+ DEBUG3("add a MPUSHy cb to '%s' field (type '%s') of '%s'",
+ field_name, sub_type->name, type->name);
+ if (!strcmp("int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_int_mult;
+ } else if (!strcmp("unsigned int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_uint_mult;
+ } else if (!strcmp("long int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_lint_mult;
+ } else if (!strcmp("unsigned long int", sub_type->name)) {
+ field->send = gras_datadesc_cb_push_ulint_mult;
+ } else {
+ ERROR1
+ ("Field %s is not an int, unsigned int, long int neither unsigned long int",
+ sub_type->name);
+ xbt_abort();
+ }
}
+
/**
- * gras_datadesc_cb_set_post:
+ * The given datadesc must be a struct or union (abort if not).
+ * (useful to put the function pointers to the right value, for example)
+ */
+void gras_datadesc_cb_field_recv(gras_datadesc_type_t type,
+ const char *field_name,
+ gras_datadesc_type_cb_void_t recv)
+{
+
+ gras_dd_cat_field_t field = gras_dd_find_field(type, field_name);
+ field->recv = recv;
+}
+
+/*
+ * Free a datadesc. Should only be called at xbt_exit.
+ */
+void gras_datadesc_free(gras_datadesc_type_t * type)
+{
+
+ DEBUG1("Let's free ddt %s", (*type)->name);
+
+ switch ((*type)->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ case e_gras_datadesc_type_cat_ref:
+ case e_gras_datadesc_type_cat_array:
+ /* nothing to free in there */
+ break;
+
+ case e_gras_datadesc_type_cat_struct:
+ xbt_dynar_free(&((*type)->category.struct_data.fields));
+ break;
+
+ case e_gras_datadesc_type_cat_union:
+ xbt_dynar_free(&((*type)->category.union_data.fields));
+ break;
+
+ default:
+ /* datadesc was invalid. Killing it is like euthanasy, I guess */
+ break;
+ }
+ free((*type)->name);
+ free(*type);
+ type = NULL;
+}
+
+/**
+ * gras_datadesc_type_cmp:
*
- * Add a post-send callback to this datadexc
+ * Compares two datadesc types with the same semantic than strcmp.
+ *
+ * This comparison does not take the set headers into account (name and ID),
+ * but only the payload (actual type description).
*/
-void gras_datadesc_cb_set_post(gras_datadesc_type_t *type,
- gras_datadesc_type_cb_void_t post) {
- type->post = post;
+int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
+ const gras_datadesc_type_t d2)
+{
+ int ret;
+ unsigned int cpt;
+ gras_dd_cat_field_t field1, field2;
+ gras_datadesc_type_t field_desc_1, field_desc_2;
+
+ if (d1 == d2)
+ return 0; /* easy optimization */
+
+ if (!d1 && d2) {
+ DEBUG0("ddt_cmp: !d1 && d2 => 1");
+ return 1;
+ }
+ if (!d1 && !d2) {
+ DEBUG0("ddt_cmp: !d1 && !d2 => 0");
+ return 0;
+ }
+ if (d1 && !d2) {
+ DEBUG0("ddt_cmp: d1 && !d2 => -1");
+ return -1;
+ }
+
+ for (cpt = 0; cpt < gras_arch_count; cpt++) {
+ if (d1->size[cpt] != d2->size[cpt]) {
+ DEBUG5("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
+ d1->name, d1->size[cpt], d2->name, d2->size[cpt],
+ gras_arches[cpt].name);
+ return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
+ }
+
+ if (d1->alignment[cpt] != d2->alignment[cpt]) {
+ DEBUG5("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
+ d1->name, d1->alignment[cpt], d2->name, d2->alignment[cpt],
+ gras_arches[cpt].name);
+ return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
+ }
+
+ if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
+ DEBUG5
+ ("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
+ d1->name, d1->aligned_size[cpt], d2->name, d2->aligned_size[cpt],
+ gras_arches[cpt].name);
+ return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
+ }
+ }
+
+ if (d1->category_code != d2->category_code) {
+ DEBUG4("ddt_cmp: %s->cat=%s != %s->cat=%s",
+ d1->name, gras_datadesc_cat_names[d1->category_code],
+ d2->name, gras_datadesc_cat_names[d2->category_code]);
+ return d1->category_code > d2->category_code ? 1 : -1;
+ }
+
+ if (d1->send != d2->send) {
+ DEBUG4("ddt_cmp: %s->send=%p != %s->send=%p",
+ d1->name, (void *) d1->send, d2->name, (void *) d2->send);
+ return 1; /* ISO C forbids ordered comparisons of pointers to functions */
+ }
+
+ if (d1->recv != d2->recv) {
+ DEBUG4("ddt_cmp: %s->recv=%p != %s->recv=%p",
+ d1->name, (void *) d1->recv, d2->name, (void *) d2->recv);
+ return 1; /* ISO C forbids ordered comparisons of pointers to functions */
+ }
+
+ switch (d1->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ if (d1->category.scalar_data.encoding !=
+ d2->category.scalar_data.encoding)
+ return d1->category.scalar_data.encoding >
+ d2->category.scalar_data.encoding ? 1 : -1;
+ break;
+
+ case e_gras_datadesc_type_cat_struct:
+ if (xbt_dynar_length(d1->category.struct_data.fields) !=
+ xbt_dynar_length(d2->category.struct_data.fields)) {
+ DEBUG4("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
+ d1->name, xbt_dynar_length(d1->category.struct_data.fields),
+ d2->name, xbt_dynar_length(d2->category.struct_data.fields));
+
+ return xbt_dynar_length(d1->category.struct_data.fields) >
+ xbt_dynar_length(d2->category.struct_data.fields) ? 1 : -1;
+ }
+ xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
+
+ field2 =
+ xbt_dynar_get_as(d2->category.struct_data.fields, cpt,
+ gras_dd_cat_field_t);
+ field_desc_1 = field1->type;
+ field_desc_2 = field2->type;
+ ret = gras_datadesc_type_cmp(field_desc_1, field_desc_2);
+ if (ret) {
+ DEBUG6("%s->field[%d]=%s != %s->field[%d]=%s",
+ d1->name, cpt, field1->name, d2->name, cpt, field2->name);
+ return ret;
+ }
+
+ }
+ break;
+
+ case e_gras_datadesc_type_cat_union:
+ if (d1->category.union_data.selector != d2->category.union_data.selector)
+ return 1; /* ISO C forbids ordered comparisons of pointers to functions */
+
+ if (xbt_dynar_length(d1->category.union_data.fields) !=
+ xbt_dynar_length(d2->category.union_data.fields))
+ return xbt_dynar_length(d1->category.union_data.fields) >
+ xbt_dynar_length(d2->category.union_data.fields) ? 1 : -1;
+
+ xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
+
+ field2 =
+ xbt_dynar_get_as(d2->category.union_data.fields, cpt,
+ gras_dd_cat_field_t);
+ field_desc_1 = field1->type;
+ field_desc_2 = field2->type;
+ ret = gras_datadesc_type_cmp(field_desc_1, field_desc_2);
+ if (ret)
+ return ret;
+
+ }
+ break;
+
+
+ case e_gras_datadesc_type_cat_ref:
+ if (d1->category.ref_data.selector != d2->category.ref_data.selector)
+ return 1; /* ISO C forbids ordered comparisons of pointers to functions */
+
+ if (d1->category.ref_data.type != d2->category.ref_data.type)
+ return d1->category.ref_data.type > d2->category.ref_data.type ? 1 : -1;
+ break;
+
+ case e_gras_datadesc_type_cat_array:
+ if (d1->category.array_data.type != d2->category.array_data.type)
+ return d1->category.array_data.type >
+ d2->category.array_data.type ? 1 : -1;
+
+ if (d1->category.array_data.fixed_size !=
+ d2->category.array_data.fixed_size)
+ return d1->category.array_data.fixed_size >
+ d2->category.array_data.fixed_size ? 1 : -1;
+
+ if (d1->category.array_data.dynamic_size !=
+ d2->category.array_data.dynamic_size)
+ return 1; /* ISO C forbids ordered comparisons of pointers to functions */
+
+ break;
+
+ default:
+ /* two stupidly created ddt are equally stupid ;) */
+ break;
+ }
+ return 0;
+
}