/* 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 "DataDesc/datadesc_private.h"
+#include "gras/DataDesc/datadesc_private.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(new,DataDesc);
+GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_create,datadesc,"Creating new datadescriptions");
-static gras_error_t
+/**
+ * gras_ddt_freev:
+ *
+ * gime that memory back, dude. I mean it.
+ */
+void gras_ddt_freev(void *ddt) {
+ gras_datadesc_type_t *type= (gras_datadesc_type_t *)ddt;
+
+ if (type) {
+ gras_datadesc_free(type);
+ }
+}
+
+static void
gras_ddt_new(const char *name,
gras_datadesc_type_t **dst) {
+ gras_error_t errcode;
+ gras_datadesc_type_t *res;
- gras_datadesc_type_t *res=malloc(sizeof(gras_datadesc_type_t));
- if (!res)
- RAISE_MALLOC;
+ GRAS_IN1("(%s)",name);
+ res=gras_new0(gras_datadesc_type_t,1);
- memset(res, 0, sizeof(res));
- res->name = strdup(name);
-
+ res->name = (char*)strdup(name);
+ res->name_len = strlen(name);
+
*dst=res;
- return no_error;
+ gras_set_add(gras_datadesc_set_local,
+ (gras_set_elm_t*)res,&gras_ddt_freev);
+ GRAS_OUT;
}
/**
- * gras_ddt_new_scalar:
+ * gras_datadesc_by_name:
*
- * Create a new scalar and give a pointer to it
+ * Retrieve a type from its name
*/
-gras_error_t
-gras_ddt_new_scalar(const char *name,
- long int size,
- 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;
-
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+gras_datadesc_type_t *gras_datadesc_by_name(const char *name) {
+
+ gras_datadesc_type_t *type;
+
+ GRAS_IN1("(%s)",name);
+ if (gras_set_get_by_name(gras_datadesc_set_local,
+ name,(gras_set_elm_t**)&type) == no_error) {
+ GRAS_OUT;
+ return type;
+ } else {
+ GRAS_OUT;
+ return NULL;
+ }
+}
- res->size = size>0 ? size : 0;
-
- if (size>0) {
- long int sz = size;
- long int mask = sz;
+/**
+ * gras_datadesc_by_id:
+ *
+ * Retrieve a type from its code
+ */
+gras_error_t gras_datadesc_by_id(long int code,
+ gras_datadesc_type_t **type) {
+ GRAS_IN;
+ return gras_set_get_by_id(gras_datadesc_set_local,
+ code,(gras_set_elm_t**)type);
+}
- /* just in case you wonder, x>>1 == x/2 on all architectures when x>=0 */
+/**
+ * gras_datadesc_scalar:
+ *
+ * Create a new scalar and give a pointer to it
+ */
+gras_datadesc_type_t *
+ gras_datadesc_scalar(const char *name,
+ gras_ddt_scalar_type_t type,
+ enum e_gras_dd_scalar_encoding encoding) {
+ gras_datadesc_type_t *res;
+ long int arch;
+
+ GRAS_IN;
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ gras_assert1(res->category_code == e_gras_datadesc_type_cat_scalar,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.scalar_data.encoding == encoding,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.scalar_data.type == type,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s",name);
+ return res;
+ }
+ gras_ddt_new(name,&res);
+
+ for (arch = 0; arch < gras_arch_count; arch ++) {
+ long int sz;
+ long int mask;
+ res->size[arch] = gras_arches[arch].sizeofs[type];
+ res->alignment[arch] = gras_arches[arch].boundaries[type];
+ res->aligned_size[arch] = aligned(res->size[arch], res->alignment[arch]);
+/* FIXME: kill the following after discution with Oli */
+#if 0
+ 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 */
+
/* 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 (size & (mask >> 1)) { /* if size have bits to one beside its biggest */
+ }
+
+ 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 = (size & ~(mask >> 1)) << 1;
- gras_assert0(res->alignment != 0,
+ res->alignment[arch] = (res->size[arch] & ~(mask >> 1)) << 1;
+ gras_assert0(res->alignment[arch] != 0,
"scalar type too large");
- res->aligned_size = aligned(size, res->alignment);
- gras_assert0 (res->aligned_size >= 0,
+ 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 = size;
- res->aligned_size = size;
+ res->alignment[arch] = res->size[arch];
+ res->aligned_size[arch] = res->size[arch];
}
-
- } else {
- res->alignment = 0;
- res->aligned_size = 0;
+#endif
}
res->category_code = e_gras_datadesc_type_cat_scalar;
res->category.scalar_data.encoding = encoding;
-
- res->pre = cb;
- return no_error;
+ res->category.scalar_data.type = type;
+ GRAS_OUT;
+
+ return res;
}
* 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;
+ gras_dd_cat_field_t *field = *(gras_dd_cat_field_t **)f;
+ GRAS_IN;
if (field) {
if (field->name)
- free(field->name);
- free(field);
+ gras_free(field->name);
+ gras_free(field);
}
+ GRAS_OUT;
}
/**
- * gras_ddt_new_struct:
+ * gras_datadesc_struct:
*
* Create a new struct and give a pointer to it
*/
-gras_error_t
-gras_ddt_new_struct(const char *name,
- gras_datadesc_type_cb_void_t pre,
- gras_datadesc_type_cb_void_t post,
- gras_datadesc_type_t **dst) {
+gras_datadesc_type_t *
+ gras_datadesc_struct(const char *name) {
gras_error_t errcode;
gras_datadesc_type_t *res;
+ long int arch;
+
+ GRAS_IN1("(%s)",name);
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ /* FIXME: Check that field redefinition matches */
+ gras_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;
+ }
+ gras_ddt_new(name,&res);
- TRY(gras_ddt_new(name,dst));
- res=*dst;
-
- res->size = 0;
- res->alignment = 0;
- res->aligned_size = 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->pre = pre;
- res->post = post;
+ 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;
+ gras_dynar_new(&(res->category.struct_data.fields),
+ sizeof(gras_dd_cat_field_t*),
+ &gras_dd_cat_field_free);
- return no_error;
+ GRAS_OUT;
+ return res;
}
/**
- * gras_ddt_new_struct_append:
+ * gras_datadesc_struct_append:
*
* Append a field to the struct
*/
-gras_error_t
-gras_ddt_new_struct_append(gras_datadesc_type_t *struct_type,
- const char *name,
- gras_datadesc_type_t *field_type,
- gras_datadesc_type_cb_void_t pre,
- gras_datadesc_type_cb_void_t post) {
+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;
+ int arch;
+
+ GRAS_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;
+ }
- gras_assert0(field_type->size >= 0,
- "Cannot add a dynamically sized field in a structure");
+ gras_assert1(field_type->size != 0,
+ "Cannot add a dynamically sized field in structure %s",
+ struct_type->name);
- field=malloc(sizeof(gras_dd_cat_field_t));
- if (!field)
- RAISE_MALLOC;
-
- field->name = strdup(name);
- field->offset = aligned(struct_type->size, field_type->alignment);
- field->code = field_type->code;
- field->pre = pre;
- field->post = post;
+ field=gras_new(gras_dd_cat_field_t,1);
+ field->name = (char*)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]);
+
+ 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]);
+ }
+ field->type = field_type;
+ field->pre = NULL;
+ field->post = NULL;
- TRY(gras_dynar_push(struct_type->category.struct_data.fields, field));
-
- struct_type->size = field->offset + field_type->size;
- struct_type->alignment = max(struct_type->alignment, field_type->alignment);
- struct_type->aligned_size = aligned(struct_type->size, struct_type->alignment);
+ gras_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]);
+ GRAS_OUT;
+}
- return no_error;
+void
+gras_datadesc_struct_close(gras_datadesc_type_t *struct_type) {
+ GRAS_IN;
+ struct_type->category.struct_data.closed = 1;
}
/**
- * gras_ddt_new_union:
+ * gras_datadesc_union:
*
* Create a new union and give a pointer to it
*/
-gras_error_t
-gras_ddt_new_union(const char *name,
- gras_datadesc_type_cb_int_t field_count,
- gras_datadesc_type_cb_void_t post,
- gras_datadesc_type_t **dst) {
+gras_datadesc_type_t *
+gras_datadesc_union(const char *name,
+ gras_datadesc_type_cb_int_t selector) {
gras_error_t errcode;
gras_datadesc_type_t *res;
+ int arch;
- gras_assert0(field_count,
+ GRAS_IN1("(%s)",name);
+ gras_assert0(selector,
"Attempt to creat an union without field_count function");
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ /* FIXME: Check that field redefinition matches */
+ gras_assert1(res->category_code == e_gras_datadesc_type_cat_union,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.union_data.selector == selector,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s",name);
+ return res;
+ }
+
+ gras_ddt_new(name,&res);
+
+ for (arch=0; arch<gras_arch_count; arch ++) {
+ res->size[arch] = 0;
+ res->alignment[arch] = 0;
+ res->aligned_size[arch] = 0;
+ }
- res->size = 0;
- res->alignment = 0;
- res->aligned_size = 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.union_data.field_count = field_count;
- res->pre = NULL;
- res->post = post;
-
- return no_error;
+ gras_dynar_new(&(res->category.union_data.fields),
+ sizeof(gras_dd_cat_field_t*),
+ &gras_dd_cat_field_free);
+ res->category.union_data.selector = selector;
+
+ return res;
}
/**
- * gras_ddt_new_union_append:
+ * gras_datadesc_union_append:
*
* Append a field to the union
*/
-gras_error_t
-gras_ddt_new_union_append(gras_datadesc_type_t *union_type,
- const char *name,
- gras_datadesc_type_t *field_type,
- gras_datadesc_type_cb_void_t pre,
- gras_datadesc_type_cb_void_t post) {
+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;
+ 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;
-
- field->name = strdup(name);
- field->offset = 0; /* that's the purpose of union ;) */
- field->code = field_type->code;
- field->pre = pre;
- field->post = post;
-
- TRY(gras_dynar_push(union_type->category.union_data.fields, field));
+ GRAS_IN3("(%s %s.%s;)",field_type->name,union_type->name,name);
+ gras_assert1(field_type->size != 0,
+ "Cannot add a dynamically sized field in union %s",
+ union_type->name);
- union_type->size = max(union_type->size, field_type->size);
- union_type->alignment = max(union_type->alignment, field_type->alignment);
- union_type->aligned_size = aligned(union_type->size, union_type->alignment);
+ if (union_type->category.union_data.closed) {
+ VERB1("Ignoring request to add field to union %s (closed)",
+ union_type->name);
+ return;
+ }
+
+ field=gras_new0(gras_dd_cat_field_t,1);
- return no_error;
+ field->name = (char*)strdup(name);
+ field->type = field_type;
+ /* All offset are left to 0 in an union */
+
+ 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]);
+ }
}
+void
+gras_datadesc_union_close(gras_datadesc_type_t *union_type) {
+ union_type->category.union_data.closed = 1;
+}
/**
- * gras_ddt_new_ref:
+ * gras_datadesc_ref:
*
- * Create a new ref and give a pointer to it
+ * Create a new ref to a fixed type and give a pointer to it
*/
-gras_error_t
-gras_ddt_new_ref(const char *name,
- gras_datadesc_type_t *referenced_type,
- gras_datadesc_type_cb_int_t discriminant,
- gras_datadesc_type_cb_void_t post,
- gras_datadesc_type_t **dst) {
+gras_datadesc_type_t *
+ gras_datadesc_ref(const char *name,
+ gras_datadesc_type_t *referenced_type) {
gras_error_t errcode;
gras_datadesc_type_t *res;
+ gras_datadesc_type_t *pointer_type = gras_datadesc_by_name("data pointer");
+ int arch;
+
+ GRAS_IN1("(%s)",name);
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ gras_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
+ "Redefinition of %s does not match",name);
+ gras_assert1(res->category.ref_data.type == referenced_type,
+ "Redefinition of %s does not match",name);
+ gras_assert1(res->category.ref_data.selector == NULL,
+ "Redefinition of %s does not match",name);
+ VERB1("Discarding redefinition of %s",name);
+ return res;
+ }
+
+ gras_ddt_new(name,&res);
+
+ 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];
+ }
+
+ res->category_code = e_gras_datadesc_type_cat_ref;
+ res->category.ref_data.type = referenced_type;
+ res->category.ref_data.selector = NULL;
+
+ return res;
+}
+/**
+ * gras_datadesc_ref_generic:
+ *
+ * Create a new ref to a type given at use time, and give a pointer to it
+ */
+gras_datadesc_type_t *
+ gras_datadesc_ref_generic(const char *name,
+ gras_datadesc_selector_t selector) {
- gras_assert0(discriminant || referenced_type,
- "Attempt to create a generic reference without discriminant");
+ gras_datadesc_type_t *res;
+ gras_datadesc_type_t *pointer_type = gras_datadesc_by_name("data pointer");
+ int arch;
+
+ GRAS_IN1("(%s)",name);
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ gras_assert1(res->category_code == e_gras_datadesc_type_cat_ref,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.ref_data.type == NULL,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.ref_data.selector == selector,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s",name);
+ return res;
+ }
+ gras_ddt_new(name,&res);
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ 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];
+ }
- /* FIXME: Size from bootstraping */
- res->size = 0;
- res->alignment = 0;
- res->aligned_size = 0;
res->category_code = e_gras_datadesc_type_cat_ref;
- res->category.ref_data.code = referenced_type ? referenced_type->code : -1;
- res->category.ref_data.discriminant = discriminant;
- res->pre = NULL;
- res->post = post;
+ res->category.ref_data.type = NULL;
+ res->category.ref_data.selector = selector;
- return no_error;
+ return res;
}
/**
- * gras_ddt_new_array:
+ * gras_datadesc_array_fixed:
*
* Create a new array and give a pointer to it
*/
-gras_error_t
-gras_ddt_new_array(const char *name,
- gras_datadesc_type_t *element_type,
- long int fixed_size,
- gras_datadesc_type_cb_int_t dynamic_size,
- gras_datadesc_type_cb_void_t post,
- gras_datadesc_type_t **dst) {
+gras_datadesc_type_t *
+ gras_datadesc_array_fixed(const char *name,
+ gras_datadesc_type_t *element_type,
+ long int fixed_size) {
- gras_error_t errcode;
gras_datadesc_type_t *res;
+ int arch;
+
+ GRAS_IN1("(%s)",name);
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ gras_assert1(res->category_code == e_gras_datadesc_type_cat_array,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.array_data.type == element_type,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.array_data.fixed_size == fixed_size,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.array_data.dynamic_size == NULL,
+ "Redefinition of type %s does not match", name);
+ VERB1("Discarding redefinition of %s",name);
+
+ return res;
+ }
+ gras_ddt_new(name,&res);
+
+ gras_assert1(fixed_size > 0, "'%s' is a array of null 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] = res->size[arch];
+ }
+
+ 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 res;
+}
+/**
+ * gras_datadesc_array_dyn:
+ *
+ * Create a new array and give a pointer to it
+ */
+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_assert0(dynamic_size || fixed_size>0,
- "Attempt to create a dynamic array without size discriminant");
+ gras_datadesc_type_t *res;
+ int arch;
+
+ GRAS_IN1("(%s)",name);
+ gras_assert1(dynamic_size,
+ "'%s' is a dynamic array without size discriminant",
+ name);
+
+ res = gras_datadesc_by_name(name);
+ if (res) {
+ gras_assert1(res->category_code == e_gras_datadesc_type_cat_array,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.array_data.type == element_type,
+ "Redefinition of type %s does not match", name);
+ gras_assert1(res->category.array_data.fixed_size == 0,
+ "Redefinition of type %s does not match", name);
+ gras_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;
+ gras_ddt_new(name,&res);
- if (fixed_size <= 0) {
- res->size = fixed_size;
- } else {
- res->size = fixed_size * element_type->aligned_size;
+ 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->alignment = element_type->alignment;
- res->aligned_size = fixed_size; /*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 = fixed_size;
+ res->category.array_data.type = element_type;
+ res->category.array_data.fixed_size = 0;
res->category.array_data.dynamic_size = dynamic_size;
- res->pre = NULL;
- res->post = post;
-
- return no_error;
+ return res;
}
/**
- * gras_ddt_new_ignored:
+ * gras_datadesc_ref_pop_arr:
+ *
+ * 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.
*
- * Create a new ignored field and give a pointer to it.
+ * 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.
*
- * If you give a default value, it will be copied away so that you can free your copy.
*/
-gras_error_t
-gras_ddt_new_ignored(const char *name,
- void *default_value,
- void_f_pvoid_t *free_func,
- long int size,
- long int alignment,
- gras_datadesc_type_cb_void_t post,
- gras_datadesc_type_t **dst) {
- gras_error_t errcode;
- gras_datadesc_type_t *res;
+gras_datadesc_type_t *
+ gras_datadesc_ref_pop_arr(gras_datadesc_type_t *element_type) {
- TRY(gras_ddt_new(name,dst));
- res=*dst;
+ gras_datadesc_type_t *res;
+ char *name=(char*)gras_malloc(strlen(element_type->name) + 4);
- res->size = size > 0?size:0;
- res->alignment = alignment;
+ sprintf(name,"%s[]",element_type->name);
- if (size > 0) {
- res->aligned_size = aligned(size, alignment);
- } else {
- res->aligned_size = 0;
- }
+ res = gras_datadesc_array_dyn(name,element_type,
+ gras_datadesc_cb_pop);
- if (default_value && res->size) {
- res->category.ignored_data.default_value = malloc((size_t)size);
- if (! (res->category.ignored_data.default_value) )
- RAISE_MALLOC;
- memcpy(res->category.ignored_data.default_value,
- default_value, (size_t)size);
- }
+ sprintf(name,"%s[]*",element_type->name);
+ res = gras_datadesc_ref(name,res);
- res->category_code = e_gras_datadesc_type_cat_ignored;
- res->category.ignored_data.free_func = free_func;
-
- res->post = post;
+ gras_free(name);
+ return res;
+}
+gras_error_t
+gras_datadesc_import_nws(const char *name,
+ const DataDescriptor *desc,
+ size_t howmany,
+ gras_datadesc_type_t **dst) {
+ RAISE_UNIMPLEMENTED;
+}
- res->size = size;
+/**
+ * gras_datadesc_cb_send:
+ *
+ * Add a pre-send callback to this datadesc.
+ * (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_datadesc_cb_recv:
+ *
+ * Add a post-receive callback to this datadesc.
+ * (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:
+ *
+ * Returns the type descriptor of the given field. Abort on error.
+ */
+static gras_datadesc_type_t *
+ gras_dd_find_field(gras_datadesc_type_t *type,
+ const char *field_name) {
+ gras_datadesc_type_t *sub_type=NULL;
+ gras_dynar_t *field_array;
+
+ gras_dd_cat_field_t *field=NULL;
+ 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);
+ gras_abort();
+ }
+ gras_dynar_foreach(field_array,field_num,field) {
+ if (!strcmp(field_name,field->name)) {
+ return field->type;
+ }
+ }
+ ERROR2("No field nammed %s in %s",field_name,type->name);
+ gras_abort();
- return no_error;
+}
+
+/**
+ * gras_datadesc_cb_field_send:
+ *
+ * Add a pre-send callback to the given field of the datadesc (which must be a struct or union).
+ * (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_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name);
+ sub_type->send = send;
}
/**
- * gras_ddt_free:
+ * gras_datadesc_cb_field_push:
*
- * Frees a datadescription.
+ * Add a pre-send callback to the given field resulting in its value to be pushed to
+ * the stack of sizes. It must be a int, unsigned int, long int or unsigned long int.
*/
-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;
+void gras_datadesc_cb_field_push (gras_datadesc_type_t *type,
+ const char *field_name) {
+
+ gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name);
+ if (!strcmp("int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_int;
+ } else if (!strcmp("unsigned int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_uint;
+ } else if (!strcmp("long int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_lint;
+ } else if (!strcmp("unsigned long int",sub_type->name)) {
+ sub_type->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);
+ gras_abort();
+ }
+}
+/**
+ * gras_datadesc_cb_field_recv:
+ *
+ * Add a post-receive callback to the given field of the datadesc (which must be a struct or union).
+ * (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_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name);
+ sub_type->recv = recv;
+}
- case e_gras_datadesc_type_cat_struct:
- gras_dynar_free(t->category.struct_data.fields);
- break;
+/**
+ * gras_datadesc_free:
+ *
+ * Free a datadesc. Should only be called at gras_exit.
+ */
+void gras_datadesc_free(gras_datadesc_type_t *type) {
- 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;
+ 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_ignored:
+ if (type->category.ignored_data.free_func) {
+ type->category.ignored_data.free_func
+ (type->category.ignored_data.default_value);
}
+ break;
+
+ case e_gras_datadesc_type_cat_struct:
+ gras_dynar_free(type->category.struct_data.fields);
+ break;
+
+ case e_gras_datadesc_type_cat_union:
+ gras_dynar_free(type->category.union_data.fields);
+ break;
+
+ default:
+ /* datadesc was invalid. Killing it is like euthanasy, I guess */
+ break;
}
+ gras_free(type->name);
+ gras_free(type);
}