+++ /dev/null
-/* ddt_new - creation/deletion of datatypes structs (private to this module)*/
-
-/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. 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. */
-
-#include "xbt/misc.h" /* min()/max() */
-#include "xbt/ex.h"
-#include "datadesc_private.h"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ddt_create, xbt_ddt,
- "Creating new data descriptions");
-
-/*** prototypes ***/
-static xbt_dd_cat_field_t
-xbt_dd_find_field(xbt_datadesc_type_t type, const char *field_name);
-/**
- * xbt_ddt_freev:
- *
- * gime that memory back, dude. I mean it.
- */
-void xbt_ddt_freev(void *ddt)
-{
- xbt_datadesc_type_t type = (xbt_datadesc_type_t) ddt;
-
- if (type) {
- xbt_datadesc_free(&type);
- }
-}
-
-static xbt_datadesc_type_t xbt_ddt_new(const char *name)
-{
- xbt_datadesc_type_t res;
-
- XBT_IN("(%s)", name);
- res = xbt_new0(s_xbt_datadesc_type_t, 1);
-
- res->name = (char *) strdup(name);
- res->name_len = strlen(name);
- res->cycle = 0;
-
- xbt_set_add(xbt_datadesc_set_local, (xbt_set_elm_t) res,
- xbt_ddt_freev);
- XBT_OUT();
- return res;
-}
-
-/** @brief retrieve an existing message type from its name (or NULL if it does not exist). */
-xbt_datadesc_type_t xbt_datadesc_by_name_or_null(const char *name)
-{
- xbt_ex_t e;
- xbt_datadesc_type_t res = NULL;
-
- TRY {
- res = xbt_datadesc_by_name(name);
- }
- CATCH(e) {
- res = NULL;
- xbt_ex_free(e);
- }
- return res;
-}
-
-/**
- * Search the given datadesc (or raises an exception if it can't be found)
- */
-xbt_datadesc_type_t xbt_datadesc_by_name(const char *name)
-{
- xbt_ex_t e;
- xbt_datadesc_type_t res = NULL;
- volatile int found = 0;
- TRY {
- res =
- (xbt_datadesc_type_t) xbt_set_get_by_name(xbt_datadesc_set_local,
- name);
- found = 1;
- }
- CATCH(e) {
- if (e.category != not_found_error)
- RETHROW;
- xbt_ex_free(e);
- }
- if (!found)
- THROWF(not_found_error, 0, "No registred datatype of that name: %s",
- name);
-
- return res;
-}
-
-/**
- * Retrieve a type from its code (or NULL if not found)
- */
-xbt_datadesc_type_t xbt_datadesc_by_id(long int code)
-{
- xbt_ex_t e;
- xbt_datadesc_type_t res = NULL;
- TRY {
- res =
- (xbt_datadesc_type_t) xbt_set_get_by_id(xbt_datadesc_set_local,
- code);
- }
- CATCH(e) {
- if (e.category != not_found_error)
- RETHROW;
- xbt_ex_free(e);
- res = NULL;
- }
- return res;
-}
-
-/**
- * Create a new scalar and give a pointer to it
- */
-xbt_datadesc_type_t
-xbt_datadesc_scalar(const char *name,
- xbt_ddt_scalar_type_t type,
- enum e_xbt_dd_scalar_encoding encoding)
-{
-
- xbt_datadesc_type_t res;
- long int arch;
-
- XBT_IN();
- res = xbt_datadesc_by_name_or_null(name);
- if (res) {
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_scalar,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.scalar_data.encoding == encoding,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.scalar_data.type == type,
- "Redefinition of type %s does not match", name);
- XBT_VERB("Discarding redefinition of %s", name);
- return res;
- }
- res = xbt_ddt_new(name);
-
- for (arch = 0; arch < xbt_arch_count; arch++) {
- res->size[arch] = xbt_arches[arch].sizeofs[type];
- res->alignment[arch] = xbt_arches[arch].boundaries[type];
- res->aligned_size[arch] =
- ddt_aligned(res->size[arch], res->alignment[arch]);
- }
-
- res->category_code = e_xbt_datadesc_type_cat_scalar;
- res->category.scalar_data.encoding = encoding;
- res->category.scalar_data.type = type;
- XBT_OUT();
-
- return res;
-}
-
-
-/** Frees one struct or union field */
-void xbt_dd_cat_field_free(void *f)
-{
- xbt_dd_cat_field_t field = *(xbt_dd_cat_field_t *) f;
- XBT_IN();
- if (field) {
- free(field->name);
- free(field);
- }
- XBT_OUT();
-}
-
-/** \brief Declare a new structure description */
-xbt_datadesc_type_t xbt_datadesc_struct(const char *name)
-{
-
- xbt_datadesc_type_t res;
- long int arch;
-
- XBT_IN("(%s)", name);
- res = xbt_datadesc_by_name_or_null(name);
- if (res) {
- /* FIXME: Check that field redefinition matches */
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_struct,
- "Redefinition of type %s does not match", name);
- XBT_DEBUG("Discarding redefinition of %s", name);
- return res;
- }
- res = xbt_ddt_new(name);
-
- for (arch = 0; arch < xbt_arch_count; arch++) {
- res->size[arch] = 0;
- res->alignment[arch] = 0;
- res->aligned_size[arch] = 0;
- }
- res->category_code = e_xbt_datadesc_type_cat_struct;
- res->category.struct_data.fields =
- xbt_dynar_new(sizeof(xbt_dd_cat_field_t), xbt_dd_cat_field_free);
-
- XBT_OUT();
- return res;
-}
-
-/** \brief Append a new field to a structure description */
-void
-xbt_datadesc_struct_append(xbt_datadesc_type_t struct_type,
- const char *name,
- xbt_datadesc_type_t field_type)
-{
-
- xbt_dd_cat_field_t field;
- int arch;
-
- xbt_assert(field_type,
- "Cannot add the field '%s' into struct '%s': its type is NULL",
- name, struct_type->name);
- XBT_IN("(%s %s.%s;)", field_type->name, struct_type->name, name);
- if (struct_type->category.struct_data.closed) {
- XBT_DEBUG
- ("Ignoring request to add field to struct %s (closed. Redefinition?)",
- struct_type->name);
- return;
- }
-
- xbt_assert(field_type->size[GRAS_THISARCH] >= 0,
- "Cannot add a dynamically sized field in structure %s",
- struct_type->name);
-
- field = xbt_new(s_xbt_dd_cat_field_t, 1);
- field->name = (char *) strdup(name);
-
- XBT_DEBUG("----------------");
- XBT_DEBUG("PRE s={size=%ld,align=%lu,asize=%lu}",
- struct_type->size[GRAS_THISARCH],
- struct_type->alignment[GRAS_THISARCH],
- struct_type->aligned_size[GRAS_THISARCH]);
-
-
- for (arch = 0; arch < xbt_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->type = field_type;
- field->send = NULL;
- field->recv = NULL;
-
- xbt_dynar_push(struct_type->category.struct_data.fields, &field);
-
- XBT_DEBUG("Push a %s into %s at offset %ld.",
- field_type->name, struct_type->name,
- field->offset[GRAS_THISARCH]);
- XBT_DEBUG(" f={size=%ld,align=%lu,asize=%lu}",
- field_type->size[GRAS_THISARCH],
- field_type->alignment[GRAS_THISARCH],
- field_type->aligned_size[GRAS_THISARCH]);
- XBT_DEBUG(" s={size=%ld,align=%lu,asize=%lu}",
- struct_type->size[GRAS_THISARCH],
- struct_type->alignment[GRAS_THISARCH],
- struct_type->aligned_size[GRAS_THISARCH]);
- XBT_OUT();
-}
-
-/** \brief Close a structure description
- *
- * No new field can be added afterward, and it is mandatory to close the structure before using it.
- */
-void xbt_datadesc_struct_close(xbt_datadesc_type_t struct_type)
-{
- int arch;
- XBT_IN();
- struct_type->category.struct_data.closed = 1;
- for (arch = 0; arch < xbt_arch_count; arch++) {
- struct_type->size[arch] = struct_type->aligned_size[arch];
- }
- XBT_DEBUG("structure %s closed. size=%ld,align=%lu,asize=%lu",
- struct_type->name,
- struct_type->size[GRAS_THISARCH],
- struct_type->alignment[GRAS_THISARCH],
- struct_type->aligned_size[GRAS_THISARCH]);
-}
-
-/**
- * xbt_datadesc_cycle_set:
- *
- * Tell XBT 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 xbt_datadesc_cycle_set(xbt_datadesc_type_t ddt)
-{
- ddt->cycle = 1;
-}
-
-/**
- * xbt_datadesc_cycle_unset:
- *
- * Tell XBT that the pointers of the type described by ddt do not present
- * any loop and that cycle detection mechanism are not needed.
- * (default)
- */
-void xbt_datadesc_cycle_unset(xbt_datadesc_type_t ddt)
-{
- ddt->cycle = 0;
-}
-
-/** \brief Declare a new union description */
-xbt_datadesc_type_t
-xbt_datadesc_union(const char *name, xbt_datadesc_type_cb_int_t selector)
-{
-
- xbt_datadesc_type_t res;
- int arch;
-
- XBT_IN("(%s)", name);
- xbt_assert(selector,
- "Attempt to creat an union without field_count function");
-
- res = xbt_datadesc_by_name_or_null(name);
- if (res) {
- /* FIXME: Check that field redefinition matches */
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_union,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.union_data.selector == selector,
- "Redefinition of type %s does not match", name);
- XBT_VERB("Discarding redefinition of %s", name);
- return res;
- }
-
- res = xbt_ddt_new(name);
-
- for (arch = 0; arch < xbt_arch_count; arch++) {
- res->size[arch] = 0;
- res->alignment[arch] = 0;
- res->aligned_size[arch] = 0;
- }
-
- res->category_code = e_xbt_datadesc_type_cat_union;
- res->category.union_data.fields =
- xbt_dynar_new(sizeof(xbt_dd_cat_field_t *), xbt_dd_cat_field_free);
- res->category.union_data.selector = selector;
-
- return res;
-}
-
-/** \brief Append a new field to an union description */
-void xbt_datadesc_union_append(xbt_datadesc_type_t union_type,
- const char *name,
- xbt_datadesc_type_t field_type)
-{
-
- xbt_dd_cat_field_t field;
- int arch;
-
- XBT_IN("(%s %s.%s;)", field_type->name, union_type->name, name);
- xbt_assert(field_type->size[GRAS_THISARCH] >= 0,
- "Cannot add a dynamically sized field in union %s",
- union_type->name);
-
- if (union_type->category.union_data.closed) {
- XBT_VERB("Ignoring request to add field to union %s (closed)",
- union_type->name);
- return;
- }
-
- field = xbt_new0(s_xbt_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 < xbt_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]);
- }
-}
-
-
-/** \brief Close an union description
- *
- * No new field can be added afterward, and it is mandatory to close the union before using it.
- */
-void xbt_datadesc_union_close(xbt_datadesc_type_t union_type)
-{
- union_type->category.union_data.closed = 1;
-}
-
-/** \brief Copy a type under another name
- *
- * This may reveal useful to circumvent parsing macro limitations
- */
-xbt_datadesc_type_t
-xbt_datadesc_copy(const char *name, xbt_datadesc_type_t copied)
-{
-
- xbt_datadesc_type_t res = xbt_ddt_new(name);
- char *name_cpy = res->name;
-
- memcpy(res, copied, sizeof(s_xbt_datadesc_type_t));
- res->name = name_cpy;
- return res;
-}
-
-/** \brief Declare a new type being a reference to the one passed in arg */
-xbt_datadesc_type_t
-xbt_datadesc_ref(const char *name, xbt_datadesc_type_t referenced_type)
-{
-
- xbt_datadesc_type_t res;
- xbt_datadesc_type_t pointer_type =
- xbt_datadesc_by_name("data pointer");
- int arch;
-
- XBT_IN("(%s)", name);
- res = xbt_datadesc_by_name_or_null(name);
- if (res) {
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_ref,
- "Redefinition of %s does not match", name);
- xbt_assert(res->category.ref_data.type == referenced_type,
- "Redefinition of %s does not match", name);
- xbt_assert(res->category.ref_data.selector == NULL,
- "Redefinition of %s does not match", name);
- XBT_DEBUG("Discarding redefinition of %s", name);
- return res;
- }
-
- res = xbt_ddt_new(name);
-
- xbt_assert(pointer_type, "Cannot get the description of data pointer");
-
- for (arch = 0; arch < xbt_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_xbt_datadesc_type_cat_ref;
- res->category.ref_data.type = referenced_type;
- res->category.ref_data.selector = NULL;
-
- return res;
-}
-
-/** \brief Declare a new type being a generic reference.
- *
- * The callback passed in argument is to be used to select which type is currently used.
- * So, when XBT 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.
- */
-xbt_datadesc_type_t
-xbt_datadesc_ref_generic(const char *name,
- xbt_datadesc_selector_t selector)
-{
-
- xbt_datadesc_type_t res;
- xbt_datadesc_type_t pointer_type =
- xbt_datadesc_by_name("data pointer");
- int arch;
-
- XBT_IN("(%s)", name);
- res = xbt_datadesc_by_name_or_null(name);
-
- if (res) {
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_ref,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.ref_data.type == NULL,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.ref_data.selector == selector,
- "Redefinition of type %s does not match", name);
- XBT_VERB("Discarding redefinition of %s", name);
- return res;
- }
- res = xbt_ddt_new(name);
-
- xbt_assert(pointer_type, "Cannot get the description of data pointer");
-
- for (arch = 0; arch < xbt_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_xbt_datadesc_type_cat_ref;
-
- res->category.ref_data.type = NULL;
- res->category.ref_data.selector = selector;
-
- return res;
-}
-
-/** \brief Declare a new type being an array of fixed size and content */
-xbt_datadesc_type_t
-xbt_datadesc_array_fixed(const char *name,
- xbt_datadesc_type_t element_type,
- long int fixed_size)
-{
-
- xbt_datadesc_type_t res;
- int arch;
-
- XBT_IN("(%s)", name);
- res = xbt_datadesc_by_name_or_null(name);
- if (res) {
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_array,
- "Redefinition of type %s does not match", name);
-
- if (res->category.array_data.type != element_type) {
- XBT_ERROR
- ("Redefinition of type %s does not match: array elements differ",
- name);
- xbt_datadesc_type_dump(res->category.array_data.type);
- xbt_datadesc_type_dump(element_type);
- }
-
- xbt_assert(res->category.array_data.fixed_size == fixed_size,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.array_data.dynamic_size == NULL,
- "Redefinition of type %s does not match", name);
- XBT_VERB("Discarding redefinition of %s", name);
-
- return res;
- }
- res = xbt_ddt_new(name);
-
- xbt_assert(fixed_size >= 0, "'%s' is a array of negative fixed size",
- name);
- for (arch = 0; arch < xbt_arch_count; arch++) {
- res->size[arch] = fixed_size * element_type->aligned_size[arch];
- res->alignment[arch] = element_type->alignment[arch];
- res->aligned_size[arch] = res->size[arch];
- }
-
- res->category_code = e_xbt_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 res;
-}
-
-/** \brief Declare a new type being an array of fixed size, but accepting several content types. */
-xbt_datadesc_type_t xbt_datadesc_array_dyn(const char *name,
- xbt_datadesc_type_t
- element_type,
- xbt_datadesc_type_cb_int_t
- dynamic_size)
-{
-
- xbt_datadesc_type_t res;
- int arch;
-
- XBT_IN("(%s)", name);
- xbt_assert(dynamic_size,
- "'%s' is a dynamic array without size discriminant", name);
-
- res = xbt_datadesc_by_name_or_null(name);
- if (res) {
- xbt_assert(res->category_code == e_xbt_datadesc_type_cat_array,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.array_data.type == element_type,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.array_data.fixed_size == -1,
- "Redefinition of type %s does not match", name);
- xbt_assert(res->category.array_data.dynamic_size == dynamic_size,
- "Redefinition of type %s does not match", name);
- XBT_VERB("Discarding redefinition of %s", name);
-
- return res;
- }
-
- res = xbt_ddt_new(name);
-
- for (arch = 0; arch < xbt_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_xbt_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 res;
-}
-
-/** \brief Declare a new type being an array which size can be found with \ref xbt_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 #xbt_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.
- *
- */
-xbt_datadesc_type_t
-xbt_datadesc_ref_pop_arr(xbt_datadesc_type_t element_type)
-{
- int cpt = 0;
- xbt_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 = xbt_datadesc_by_name_or_null(name);
-
- while (ddt2) {
- free(name);
- name = bprintf("%s[]_%d", element_type->name, cpt++);
- ddt2 = xbt_datadesc_by_name_or_null(name);
- }
-
- res = xbt_datadesc_array_dyn(name, element_type, xbt_datadesc_cb_pop);
-
- sprintf(name, "%s[]*", element_type->name);
- cpt = 0;
- ddt2 = xbt_datadesc_by_name_or_null(name);
- while (ddt2) {
- free(name);
- name = bprintf("%s[]*_%d", element_type->name, cpt++);
- ddt2 = xbt_datadesc_by_name_or_null(name);
- }
-
- res = xbt_datadesc_ref(name, res);
-
- free(name);
-
- return res;
-}
-
-/*
- *##
- *## Constructor of container datatypes
- *##
- */
-
-static void xbt_datadesc_dynar_cb(xbt_datadesc_type_t typedesc,
- xbt_cbps_t vars, void *data)
-{
- xbt_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 = xbt_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;
-
- XBT_DEBUG("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".
- *
- * \param elm_t: the datadesc of the elements
- * \param free_func: the function to use to free the elements when the dynar gets freed
- */
-xbt_datadesc_type_t
-xbt_datadesc_dynar(xbt_datadesc_type_t elm_t, void_f_pvoid_t free_func)
-{
-
- char *buffname;
- xbt_datadesc_type_t res;
-
- buffname = bprintf("s_xbt_dynar_of_%s", elm_t->name);
-
- res = xbt_datadesc_struct(buffname);
-
- xbt_datadesc_struct_append(res, "size",
- xbt_datadesc_by_name("unsigned long int"));
-
- xbt_datadesc_struct_append(res, "used",
- xbt_datadesc_by_name("unsigned long int"));
-
- xbt_datadesc_struct_append(res, "elmsize",
- xbt_datadesc_by_name("unsigned long int"));
-
- xbt_datadesc_struct_append(res, "data",
- xbt_datadesc_ref_pop_arr(elm_t));
-
- xbt_datadesc_struct_append(res, "free_f",
- xbt_datadesc_by_name("function pointer"));
- memcpy(res->extra, &free_func, sizeof(free_func));
-
- xbt_datadesc_struct_append(res, "mutex",
- xbt_datadesc_by_name("data pointer"));
-
- xbt_datadesc_struct_close(res);
-
- xbt_datadesc_cb_field_push(res, "used");
- xbt_datadesc_cb_recv(res, &xbt_datadesc_dynar_cb);
-
- /* build a ref to it */
- free(buffname);
- buffname = bprintf("xbt_dynar_of_%s", elm_t->name);
- res = xbt_datadesc_ref(buffname, res);
- free(buffname);
- return res;
-}
-
-#include "xbt/matrix.h"
-static void xbt_datadesc_matrix_cb(xbt_datadesc_type_t typedesc,
- xbt_cbps_t vars, void *data)
-{
- xbt_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 = xbt_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;
-
- XBT_DEBUG("subtype is %s", subtype->name);
-
- matrix->elmsize = subtype->size[GRAS_THISARCH];
-}
-
-xbt_datadesc_type_t
-xbt_datadesc_matrix(xbt_datadesc_type_t elm_t,
- void_f_pvoid_t const free_f)
-{
- char *buffname;
- xbt_datadesc_type_t res;
-
- buffname = bprintf("s_xbt_matrix_t(%s)", elm_t->name);
- res = xbt_datadesc_struct(buffname);
-
- xbt_datadesc_struct_append(res, "lines",
- xbt_datadesc_by_name("unsigned int"));
- xbt_datadesc_struct_append(res, "rows",
- xbt_datadesc_by_name("unsigned int"));
-
- xbt_datadesc_struct_append(res, "elmsize",
- xbt_datadesc_by_name("unsigned long int"));
-
- xbt_datadesc_struct_append(res, "data",
- xbt_datadesc_ref_pop_arr(elm_t));
- xbt_datadesc_struct_append(res, "free_f",
- xbt_datadesc_by_name("function pointer"));
- xbt_datadesc_struct_close(res);
-
- xbt_datadesc_cb_field_push(res, "lines");
- xbt_datadesc_cb_field_push_multiplier(res, "rows");
-
- xbt_datadesc_cb_recv(res, &xbt_datadesc_matrix_cb);
- memcpy(res->extra, &free_f, sizeof(free_f));
-
- /* build a ref to it */
- free(buffname);
- buffname = bprintf("xbt_matrix_t(%s)", elm_t->name);
- res = xbt_datadesc_ref(buffname, res);
- free(buffname);
- return res;
-}
-
-xbt_datadesc_type_t
-xbt_datadesc_import_nws(const char *name,
- const DataDescriptor * desc,
- unsigned long howmany)
-{
- THROW_UNIMPLEMENTED;
-}
-
-/**
- * (useful to push the sizes of the upcoming arrays, for example)
- */
-void xbt_datadesc_cb_send(xbt_datadesc_type_t type,
- xbt_datadesc_type_cb_void_t send)
-{
- type->send = send;
-}
-
-/**
- * (useful to put the function pointers to the rigth value, for example)
- */
-void xbt_datadesc_cb_recv(xbt_datadesc_type_t type,
- xbt_datadesc_type_cb_void_t recv)
-{
- type->recv = recv;
-}
-
-/*
- * xbt_dd_find_field:
- *
- * Returns the type descriptor of the given field. Abort on error.
- */
-static xbt_dd_cat_field_t
-xbt_dd_find_field(xbt_datadesc_type_t type, const char *field_name)
-{
- xbt_dynar_t field_array;
-
- xbt_dd_cat_field_t field = NULL;
- unsigned int field_num;
-
- if (type->category_code == e_xbt_datadesc_type_cat_union) {
- field_array = type->category.union_data.fields;
- } else if (type->category_code == e_xbt_datadesc_type_cat_struct) {
- field_array = type->category.struct_data.fields;
- } else {
- XBT_ERROR("%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;
- }
- }
- XBT_ERROR("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 xbt_datadesc_cb_field_send(xbt_datadesc_type_t type,
- const char *field_name,
- xbt_datadesc_type_cb_void_t send)
-{
-
- xbt_dd_cat_field_t field = xbt_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 xbt_datadesc_ref_pop_arr or directly with \ref xbt_cbps_i_pop.
- */
-void xbt_datadesc_cb_field_push(xbt_datadesc_type_t type,
- const char *field_name)
-{
-
- xbt_dd_cat_field_t field = xbt_dd_find_field(type, field_name);
- xbt_datadesc_type_t sub_type = field->type;
-
- XBT_DEBUG("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 = xbt_datadesc_cb_push_int;
- } else if (!strcmp("unsigned int", sub_type->name)) {
- field->send = xbt_datadesc_cb_push_uint;
- } else if (!strcmp("long int", sub_type->name)) {
- field->send = xbt_datadesc_cb_push_lint;
- } else if (!strcmp("unsigned long int", sub_type->name)) {
- field->send = xbt_datadesc_cb_push_ulint;
- } else {
- XBT_ERROR
- ("Field %s is not an int, unsigned int, long int neither unsigned long int",
- sub_type->name);
- xbt_abort();
- }
-}
-
-/**
- * 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 xbt_datadesc_ref_pop_arr or directly with \ref
- * xbt_cbps_i_pop.
- *
- * The field must be an int, unsigned int, long int or unsigned long int.
- */
-void xbt_datadesc_cb_field_push_multiplier(xbt_datadesc_type_t type,
- const char *field_name)
-{
-
- xbt_dd_cat_field_t field = xbt_dd_find_field(type, field_name);
- xbt_datadesc_type_t sub_type = field->type;
-
- XBT_DEBUG("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 = xbt_datadesc_cb_push_int_mult;
- } else if (!strcmp("unsigned int", sub_type->name)) {
- field->send = xbt_datadesc_cb_push_uint_mult;
- } else if (!strcmp("long int", sub_type->name)) {
- field->send = xbt_datadesc_cb_push_lint_mult;
- } else if (!strcmp("unsigned long int", sub_type->name)) {
- field->send = xbt_datadesc_cb_push_ulint_mult;
- } else {
- XBT_ERROR
- ("Field %s is not an int, unsigned int, long int neither unsigned long int",
- sub_type->name);
- xbt_abort();
- }
-}
-
-/**
- * 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 xbt_datadesc_cb_field_recv(xbt_datadesc_type_t type,
- const char *field_name,
- xbt_datadesc_type_cb_void_t recv)
-{
-
- xbt_dd_cat_field_t field = xbt_dd_find_field(type, field_name);
- field->recv = recv;
-}
-
-/*
- * Free a datadesc. Should only be called at xbt_exit.
- */
-void xbt_datadesc_free(xbt_datadesc_type_t * type)
-{
-
- XBT_DEBUG("Let's free ddt %s", (*type)->name);
-
- switch ((*type)->category_code) {
- case e_xbt_datadesc_type_cat_scalar:
- case e_xbt_datadesc_type_cat_ref:
- case e_xbt_datadesc_type_cat_array:
- /* nothing to free in there */
- break;
-
- case e_xbt_datadesc_type_cat_struct:
- xbt_dynar_free(&((*type)->category.struct_data.fields));
- break;
-
- case e_xbt_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;
-}
-
-/**
- * xbt_datadesc_type_cmp:
- *
- * 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).
- */
-int xbt_datadesc_type_cmp(const xbt_datadesc_type_t d1,
- const xbt_datadesc_type_t d2)
-{
- int ret;
- unsigned int cpt;
- xbt_dd_cat_field_t field1, field2;
- xbt_datadesc_type_t field_desc_1, field_desc_2;
-
- if (d1 == d2)
- return 0; /* easy optimization */
-
- if (!d1 && d2) {
- XBT_DEBUG("ddt_cmp: !d1 && d2 => 1");
- return 1;
- }
- if (!d1 && !d2) {
- XBT_DEBUG("ddt_cmp: !d1 && !d2 => 0");
- return 0;
- }
- if (d1 && !d2) {
- XBT_DEBUG("ddt_cmp: d1 && !d2 => -1");
- return -1;
- }
-
- for (cpt = 0; cpt < xbt_arch_count; cpt++) {
- if (d1->size[cpt] != d2->size[cpt]) {
- XBT_DEBUG("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
- d1->name, d1->size[cpt], d2->name, d2->size[cpt],
- xbt_arches[cpt].name);
- return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
- }
-
- if (d1->alignment[cpt] != d2->alignment[cpt]) {
- XBT_DEBUG("ddt_cmp: %s->alignment=%lu != %s->alignment=%lu (on %s)",
- d1->name, d1->alignment[cpt], d2->name, d2->alignment[cpt],
- xbt_arches[cpt].name);
- return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
- }
-
- if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
- XBT_DEBUG
- ("ddt_cmp: %s->aligned_size=%lu != %s->aligned_size=%lu (on %s)",
- d1->name, d1->aligned_size[cpt], d2->name,
- d2->aligned_size[cpt], xbt_arches[cpt].name);
- return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
- }
- }
-
- if (d1->category_code != d2->category_code) {
- XBT_DEBUG("ddt_cmp: %s->cat=%s != %s->cat=%s",
- d1->name, xbt_datadesc_cat_names[d1->category_code],
- d2->name, xbt_datadesc_cat_names[d2->category_code]);
- return d1->category_code > d2->category_code ? 1 : -1;
- }
-
- if (d1->send != d2->send) {
- XBT_DEBUG("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) {
- XBT_DEBUG("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_xbt_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_xbt_datadesc_type_cat_struct:
- if (xbt_dynar_length(d1->category.struct_data.fields) !=
- xbt_dynar_length(d2->category.struct_data.fields)) {
- XBT_DEBUG("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,
- xbt_dd_cat_field_t);
- field_desc_1 = field1->type;
- field_desc_2 = field2->type;
- ret = xbt_datadesc_type_cmp(field_desc_1, field_desc_2);
- if (ret) {
- XBT_DEBUG("%s->field[%u]=%s != %s->field[%u]=%s",
- d1->name, cpt, field1->name, d2->name, cpt, field2->name);
- return ret;
- }
-
- }
- break;
-
- case e_xbt_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,
- xbt_dd_cat_field_t);
- field_desc_1 = field1->type;
- field_desc_2 = field2->type;
- ret = xbt_datadesc_type_cmp(field_desc_1, field_desc_2);
- if (ret)
- return ret;
-
- }
- break;
-
-
- case e_xbt_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_xbt_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;
-
-}
