*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <babeltrace/compiler.h>
#include <errno.h>
static
-struct definition *_variant_definition_new(struct declaration *declaration,
+struct bt_definition *_variant_definition_new(struct bt_declaration *declaration,
struct definition_scope *parent_scope,
GQuark field_name, int index,
const char *root_name);
static
-void _variant_definition_free(struct definition *definition);
+void _variant_definition_free(struct bt_definition *definition);
-int variant_rw(struct stream_pos *ppos, struct definition *definition)
+int bt_variant_rw(struct bt_stream_pos *ppos, struct bt_definition *definition)
{
struct definition_variant *variant_definition =
container_of(definition, struct definition_variant, p);
- struct definition *field;
+ struct bt_definition *field;
- field = variant_get_current_field(variant_definition);
+ field = bt_variant_get_current_field(variant_definition);
+ if (!field) {
+ return -EINVAL;
+ }
return generic_rw(ppos, field);
}
static
-void _untagged_variant_declaration_free(struct declaration *declaration)
+void _untagged_variant_declaration_free(struct bt_declaration *declaration)
{
struct declaration_untagged_variant *untagged_variant_declaration =
container_of(declaration, struct declaration_untagged_variant, p);
unsigned long i;
- free_declaration_scope(untagged_variant_declaration->scope);
+ bt_free_declaration_scope(untagged_variant_declaration->scope);
g_hash_table_destroy(untagged_variant_declaration->fields_by_tag);
for (i = 0; i < untagged_variant_declaration->fields->len; i++) {
struct declaration_field *declaration_field =
&g_array_index(untagged_variant_declaration->fields,
struct declaration_field, i);
- declaration_unref(declaration_field->declaration);
+ bt_declaration_unref(declaration_field->declaration);
}
g_array_free(untagged_variant_declaration->fields, true);
g_free(untagged_variant_declaration);
}
-struct declaration_untagged_variant *untagged_variant_declaration_new(
+struct declaration_untagged_variant *bt_untagged_bt_variant_declaration_new(
struct declaration_scope *parent_scope)
{
struct declaration_untagged_variant *untagged_variant_declaration;
- struct declaration *declaration;
+ struct bt_declaration *declaration;
untagged_variant_declaration = g_new(struct declaration_untagged_variant, 1);
declaration = &untagged_variant_declaration->p;
untagged_variant_declaration->fields = g_array_sized_new(FALSE, TRUE,
sizeof(struct declaration_field),
DEFAULT_NR_STRUCT_FIELDS);
- untagged_variant_declaration->scope = new_declaration_scope(parent_scope);
+ untagged_variant_declaration->scope = bt_new_declaration_scope(parent_scope);
declaration->id = CTF_TYPE_UNTAGGED_VARIANT;
declaration->alignment = 1;
declaration->declaration_free = _untagged_variant_declaration_free;
}
static
-void _variant_declaration_free(struct declaration *declaration)
+void _variant_declaration_free(struct bt_declaration *declaration)
{
struct declaration_variant *variant_declaration =
container_of(declaration, struct declaration_variant, p);
- _untagged_variant_declaration_free(&variant_declaration->untagged_variant->p);
+ bt_declaration_unref(&variant_declaration->untagged_variant->p);
g_array_free(variant_declaration->tag_name, TRUE);
+ g_free(variant_declaration);
}
struct declaration_variant *
- variant_declaration_new(struct declaration_untagged_variant *untagged_variant, const char *tag)
+ bt_variant_declaration_new(struct declaration_untagged_variant *untagged_variant, const char *tag)
{
struct declaration_variant *variant_declaration;
- struct declaration *declaration;
+ struct bt_declaration *declaration;
variant_declaration = g_new(struct declaration_variant, 1);
declaration = &variant_declaration->p;
variant_declaration->untagged_variant = untagged_variant;
- declaration_ref(&untagged_variant->p);
+ bt_declaration_ref(&untagged_variant->p);
variant_declaration->tag_name = g_array_new(FALSE, TRUE, sizeof(GQuark));
- append_scope_path(tag, variant_declaration->tag_name);
+ bt_append_scope_path(tag, variant_declaration->tag_name);
declaration->id = CTF_TYPE_VARIANT;
declaration->alignment = 1;
declaration->declaration_free = _variant_declaration_free;
return variant_declaration;
}
-/*
- * tag_instance is assumed to be an enumeration.
- * Returns 0 if OK, < 0 if error.
- */
static
-int check_enum_tag(struct definition_variant *variant,
- struct definition *enum_tag)
-{
- struct definition_enum *_enum =
- container_of(enum_tag, struct definition_enum, p);
- struct declaration_enum *enum_declaration = _enum->declaration;
- int missing_field = 0;
- unsigned long i;
-
- /*
- * Strictly speaking, each enumerator must map to a field of the
- * variant. However, we are even stricter here by requiring that each
- * variant choice map to an enumerator too. We then validate that the
- * number of enumerators equals the number of variant choices.
- */
- if (variant->declaration->untagged_variant->fields->len != enum_get_nr_enumerators(enum_declaration))
- return -EPERM;
-
- for (i = 0; i < variant->declaration->untagged_variant->fields->len; i++) {
- struct declaration_field *field_declaration =
- &g_array_index(variant->declaration->untagged_variant->fields,
- struct declaration_field, i);
- if (!enum_quark_to_range_set(enum_declaration, field_declaration->name)) {
- missing_field = 1;
- break;
- }
- }
- if (missing_field)
- return -EPERM;
-
- /*
- * Check the enumeration: it must map each value to one and only one
- * enumerator tag.
- * TODO: we should also check that each range map to one and only one
- * tag. For the moment, we will simply check this dynamically in
- * variant_declaration_get_current_field().
- */
- return 0;
-}
-
-
-
-static
-struct definition *
- _variant_definition_new(struct declaration *declaration,
+struct bt_definition *
+ _variant_definition_new(struct bt_declaration *declaration,
struct definition_scope *parent_scope,
GQuark field_name, int index,
const char *root_name)
int ret;
variant = g_new(struct definition_variant, 1);
- declaration_ref(&variant_declaration->p);
+ bt_declaration_ref(&variant_declaration->p);
variant->p.declaration = declaration;
variant->declaration = variant_declaration;
variant->p.ref = 1;
*/
variant->p.index = root_name ? INT_MAX : index;
variant->p.name = field_name;
- variant->p.path = new_definition_path(parent_scope, field_name, root_name);
- variant->p.scope = new_definition_scope(parent_scope, field_name, root_name);
+ variant->p.path = bt_new_definition_path(parent_scope, field_name, root_name);
+ variant->p.scope = bt_new_definition_scope(parent_scope, field_name, root_name);
- ret = register_field_definition(field_name, &variant->p,
+ ret = bt_register_field_definition(field_name, &variant->p,
parent_scope);
assert(!ret);
- variant->enum_tag = lookup_path_definition(variant->p.scope->scope_path,
+ variant->enum_tag = bt_lookup_path_definition(variant->p.scope->scope_path,
variant_declaration->tag_name,
parent_scope);
- if (!variant->enum_tag
- || check_enum_tag(variant, variant->enum_tag) < 0)
+ if (!variant->enum_tag)
goto error;
- definition_ref(variant->enum_tag);
+ bt_definition_ref(variant->enum_tag);
variant->fields = g_ptr_array_sized_new(variant_declaration->untagged_variant->fields->len);
g_ptr_array_set_size(variant->fields, variant_declaration->untagged_variant->fields->len);
for (i = 0; i < variant_declaration->untagged_variant->fields->len; i++) {
struct declaration_field *declaration_field =
&g_array_index(variant_declaration->untagged_variant->fields,
struct declaration_field, i);
- struct definition **field =
- (struct definition **) &g_ptr_array_index(variant->fields, i);
+ struct bt_definition **field =
+ (struct bt_definition **) &g_ptr_array_index(variant->fields, i);
/*
* All child definition are at index 0, because they are
variant->current_field = NULL;
return &variant->p;
error:
- free_definition_scope(variant->p.scope);
- declaration_unref(&variant_declaration->p);
+ bt_free_definition_scope(variant->p.scope);
+ bt_declaration_unref(&variant_declaration->p);
g_free(variant);
return NULL;
}
static
-void _variant_definition_free(struct definition *definition)
+void _variant_definition_free(struct bt_definition *definition)
{
struct definition_variant *variant =
container_of(definition, struct definition_variant, p);
assert(variant->fields->len == variant->declaration->untagged_variant->fields->len);
for (i = 0; i < variant->fields->len; i++) {
- struct definition *field = g_ptr_array_index(variant->fields, i);
- definition_unref(field);
+ struct bt_definition *field = g_ptr_array_index(variant->fields, i);
+ bt_definition_unref(field);
}
- definition_unref(variant->enum_tag);
- free_definition_scope(variant->p.scope);
- declaration_unref(variant->p.declaration);
+ bt_definition_unref(variant->enum_tag);
+ bt_free_definition_scope(variant->p.scope);
+ bt_declaration_unref(variant->p.declaration);
+ g_ptr_array_free(variant->fields, TRUE);
g_free(variant);
}
-void untagged_variant_declaration_add_field(struct declaration_untagged_variant *untagged_variant_declaration,
+void bt_untagged_variant_declaration_add_field(struct declaration_untagged_variant *untagged_variant_declaration,
const char *field_name,
- struct declaration *field_declaration)
+ struct bt_declaration *field_declaration)
{
struct declaration_field *field;
unsigned long index;
index = untagged_variant_declaration->fields->len - 1; /* last field (new) */
field = &g_array_index(untagged_variant_declaration->fields, struct declaration_field, index);
field->name = g_quark_from_string(field_name);
- declaration_ref(field_declaration);
+ bt_declaration_ref(field_declaration);
field->declaration = field_declaration;
/* Keep index in hash rather than pointer, because array can relocate */
g_hash_table_insert(untagged_variant_declaration->fields_by_tag,
}
struct declaration_field *
-untagged_variant_declaration_get_field_from_tag(struct declaration_untagged_variant *untagged_variant_declaration, GQuark tag)
+bt_untagged_variant_declaration_get_field_from_tag(struct declaration_untagged_variant *untagged_variant_declaration, GQuark tag)
{
gpointer index;
gboolean found;
/*
* field returned only valid as long as the field structure is not appended to.
*/
-struct definition *variant_get_current_field(struct definition_variant *variant)
+struct bt_definition *bt_variant_get_current_field(struct definition_variant *variant)
{
struct definition_enum *_enum =
container_of(variant->enum_tag, struct definition_enum, p);
unsigned long index;
GArray *tag_array;
GQuark tag;
+ gpointer orig_key, value;
tag_array = _enum->value;
+ if (!tag_array) {
+ /* Enumeration has unknown tag. */
+ fprintf(stderr, "[error] Enumeration used for variant has unknown tag.\n");
+ return NULL;
+ }
/*
* The 1 to 1 mapping from enumeration to value should have been already
* checked. (see TODO above)
*/
assert(tag_array->len == 1);
tag = g_array_index(tag_array, GQuark, 0);
- index = (unsigned long) g_hash_table_lookup(variant_declaration->untagged_variant->fields_by_tag,
- (gconstpointer) (unsigned long) tag);
+ if (!g_hash_table_lookup_extended(variant_declaration->untagged_variant->fields_by_tag,
+ (gconstpointer) (unsigned long) tag,
+ &orig_key,
+ &value)) {
+ /* Cannot find matching field. */
+ fprintf(stderr, "[error] Cannot find matching field for enum field \"%s\" in variant.\n",
+ g_quark_to_string(tag));
+ return NULL;
+ }
+ index = (unsigned long) value;
variant->current_field = g_ptr_array_index(variant->fields, index);
return variant->current_field;
}
projects / babeltrace.git / blobdiff