namespace definition_ref and definition_unref
[babeltrace.git] / formats / ctf / metadata / ctf-visitor-generate-io-struct.c
index de9986113de508f36bfe66ac5950c6786da728ef..9ade8c48fd679dcb1ec094a26604065cb7322301 100644 (file)
  *
  * 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 <stdio.h>
@@ -501,13 +509,14 @@ struct declaration *ctf_type_declarator_visit(FILE *fd, int depth,
                        size_t len;
 
                        len = first->u.unary_expression.u.unsigned_constant;
-                       array_declaration = array_declaration_new(len, nested_declaration,
+                       array_declaration = bt_array_declaration_new(len, nested_declaration,
                                                declaration_scope);
 
                        if (!array_declaration) {
                                fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__);
                                return NULL;
                        }
+                       bt_declaration_unref(nested_declaration);
                        declaration = &array_declaration->p;
                        break;
                }
@@ -520,9 +529,12 @@ struct declaration *ctf_type_declarator_visit(FILE *fd, int depth,
                        sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope);
                        if (!sequence_declaration) {
                                fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__);
+                               g_free(length_name);
                                return NULL;
                        }
+                       bt_declaration_unref(nested_declaration);
                        declaration = &sequence_declaration->p;
+                       g_free(length_name);
                        break;
                }
                default:
@@ -571,6 +583,7 @@ int ctf_struct_type_declarators_visit(FILE *fd, int depth,
                struct_declaration_add_field(struct_declaration,
                                             g_quark_to_string(field_name),
                                             field_declaration);
+               bt_declaration_unref(field_declaration);
        }
        return 0;
 }
@@ -604,10 +617,10 @@ int ctf_variant_type_declarators_visit(FILE *fd, int depth,
                        return -EINVAL;
                }
 
-
                untagged_variant_declaration_add_field(untagged_variant_declaration,
                                              g_quark_to_string(field_name),
                                              field_declaration);
+               bt_declaration_unref(field_declaration);
        }
        return 0;
 }
@@ -639,7 +652,7 @@ int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope,
                 */
                if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) {
                        fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__);
-                       declaration_unref(type_declaration);
+                       bt_declaration_unref(type_declaration);
                        return -EPERM;
                }
                ret = register_declaration(identifier, type_declaration, scope);
@@ -647,6 +660,7 @@ int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope,
                        type_declaration->declaration_free(type_declaration);
                        return ret;
                }
+               bt_declaration_unref(type_declaration);
        }
        return 0;
 }
@@ -688,7 +702,7 @@ int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope,
         */
        if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) {
                fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__);
-               declaration_unref(type_declaration);
+               bt_declaration_unref(type_declaration);
                return -EPERM;
        }
        /*
@@ -711,6 +725,7 @@ int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope,
        err = register_declaration(alias_q, type_declaration, scope);
        if (err)
                goto error;
+       bt_declaration_unref(type_declaration);
        return 0;
 
 error:
@@ -816,7 +831,6 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd,
 {
        struct declaration_struct *struct_declaration;
        struct ctf_node *iter;
-       int ret;
 
        /*
         * For named struct (without body), lookup in
@@ -828,6 +842,7 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd,
                struct_declaration =
                        lookup_struct_declaration(g_quark_from_string(name),
                                                  declaration_scope);
+               bt_declaration_ref(&struct_declaration->p);
                return &struct_declaration->p;
        } else {
                uint64_t min_align_value = 0;
@@ -843,6 +858,8 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd,
                        }
                }
                if (!bt_list_empty(min_align)) {
+                       int ret;
+
                        ret = get_unary_unsigned(min_align, &min_align_value);
                        if (ret) {
                                fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__);
@@ -853,12 +870,16 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd,
                struct_declaration = struct_declaration_new(declaration_scope,
                                                            min_align_value);
                bt_list_for_each_entry(iter, declaration_list, siblings) {
+                       int ret;
+
                        ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter,
                                struct_declaration, trace);
                        if (ret)
                                goto error_free_declaration;
                }
                if (name) {
+                       int ret;
+
                        ret = register_struct_declaration(g_quark_from_string(name),
                                        struct_declaration,
                                        declaration_scope);
@@ -882,7 +903,6 @@ struct declaration *ctf_declaration_variant_visit(FILE *fd,
        struct declaration_untagged_variant *untagged_variant_declaration;
        struct declaration_variant *variant_declaration;
        struct ctf_node *iter;
-       int ret;
 
        /*
         * For named variant (without body), lookup in
@@ -894,6 +914,7 @@ struct declaration *ctf_declaration_variant_visit(FILE *fd,
                untagged_variant_declaration =
                        lookup_variant_declaration(g_quark_from_string(name),
                                                   declaration_scope);
+               bt_declaration_ref(&untagged_variant_declaration->p);
        } else {
                /* For unnamed variant, create type */
                /* For named variant (with body), create type and add to declaration scope */
@@ -907,12 +928,16 @@ struct declaration *ctf_declaration_variant_visit(FILE *fd,
                }
                untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope);
                bt_list_for_each_entry(iter, declaration_list, siblings) {
+                       int ret;
+
                        ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter,
                                untagged_variant_declaration, trace);
                        if (ret)
                                goto error;
                }
                if (name) {
+                       int ret;
+
                        ret = register_variant_declaration(g_quark_from_string(name),
                                        untagged_variant_declaration,
                                        declaration_scope);
@@ -929,7 +954,7 @@ struct declaration *ctf_declaration_variant_visit(FILE *fd,
                variant_declaration = variant_declaration_new(untagged_variant_declaration, choice);
                if (!variant_declaration)
                        goto error;
-               declaration_unref(&untagged_variant_declaration->p);
+               bt_declaration_unref(&untagged_variant_declaration->p);
                return &variant_declaration->p;
        }
 error:
@@ -1042,7 +1067,6 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth,
        struct last_enum_value last_value;
        struct ctf_node *iter;
        GQuark dummy_id;
-       int ret;
 
        /*
         * For named enum (without body), lookup in
@@ -1054,6 +1078,7 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth,
                enum_declaration =
                        lookup_enum_declaration(g_quark_from_string(name),
                                                declaration_scope);
+               bt_declaration_ref(&enum_declaration->p);
                return &enum_declaration->p;
        } else {
                /* For unnamed enum, create type */
@@ -1090,23 +1115,28 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth,
                }
                integer_declaration = container_of(declaration, struct declaration_integer, p);
                enum_declaration = enum_declaration_new(integer_declaration);
-               declaration_unref(&integer_declaration->p);     /* leave ref to enum */
+               bt_declaration_unref(&integer_declaration->p);  /* leave ref to enum */
                if (enum_declaration->integer_declaration->signedness) {
                        last_value.u.s = 0;
                } else {
                        last_value.u.u = 0;
                }
                bt_list_for_each_entry(iter, enumerator_list, siblings) {
+                       int ret;
+
                        ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration,
                                        &last_value);
                        if (ret)
                                goto error;
                }
                if (name) {
+                       int ret;
+
                        ret = register_enum_declaration(g_quark_from_string(name),
                                        enum_declaration,
                                        declaration_scope);
                        assert(!ret);
+                       bt_declaration_unref(&enum_declaration->p);
                }
                return &enum_declaration->p;
        }
@@ -1134,6 +1164,7 @@ struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth,
        id_q = g_quark_from_string(str_c);
        g_free(str_c);
        declaration = lookup_declaration(id_q, declaration_scope);
+       bt_declaration_ref(declaration);
        return declaration;
 }
 
@@ -1833,9 +1864,9 @@ int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node,
 
 error:
        if (event->fields_decl)
-               declaration_unref(&event->fields_decl->p);
+               bt_declaration_unref(&event->fields_decl->p);
        if (event->context_decl)
-               declaration_unref(&event->context_decl->p);
+               bt_declaration_unref(&event->context_decl->p);
        free_declaration_scope(event->declaration_scope);
        g_free(event_decl);
        return ret;
@@ -2009,11 +2040,11 @@ int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
 
 error:
        if (stream->event_header_decl)
-               declaration_unref(&stream->event_header_decl->p);
+               bt_declaration_unref(&stream->event_header_decl->p);
        if (stream->event_context_decl)
-               declaration_unref(&stream->event_context_decl->p);
+               bt_declaration_unref(&stream->event_context_decl->p);
        if (stream->packet_context_decl)
-               declaration_unref(&stream->packet_context_decl->p);
+               bt_declaration_unref(&stream->packet_context_decl->p);
        g_ptr_array_free(stream->streams, TRUE);
        g_ptr_array_free(stream->events_by_id, TRUE);
        g_hash_table_destroy(stream->event_quark_to_id);
@@ -2205,7 +2236,7 @@ int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace
 
 error:
        if (trace->packet_header_decl) {
-               declaration_unref(&trace->packet_header_decl->p);
+               bt_declaration_unref(&trace->packet_header_decl->p);
                trace->packet_header_decl = NULL;
        }
        g_ptr_array_free(trace->streams, TRUE);
@@ -2600,6 +2631,7 @@ void callsite_free(gpointer data)
                g_free(callsite->file);
                g_free(callsite);
        }
+       g_free(cs_dups);
 }
 
 static
@@ -2644,6 +2676,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        strncpy(env->procname, right, TRACER_ENV_LEN);
                        env->procname[TRACER_ENV_LEN - 1] = '\0';
                        printf_verbose("env.procname = \"%s\"\n", env->procname);
+                       g_free(right);
                } else if (!strcmp(left, "hostname")) {
                        char *right;
 
@@ -2659,6 +2692,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        strncpy(env->hostname, right, TRACER_ENV_LEN);
                        env->hostname[TRACER_ENV_LEN - 1] = '\0';
                        printf_verbose("env.hostname = \"%s\"\n", env->hostname);
+                       g_free(right);
                } else if (!strcmp(left, "domain")) {
                        char *right;
 
@@ -2674,6 +2708,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        strncpy(env->domain, right, TRACER_ENV_LEN);
                        env->domain[TRACER_ENV_LEN - 1] = '\0';
                        printf_verbose("env.domain = \"%s\"\n", env->domain);
+                       g_free(right);
                } else if (!strcmp(left, "sysname")) {
                        char *right;
 
@@ -2689,6 +2724,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        strncpy(env->sysname, right, TRACER_ENV_LEN);
                        env->sysname[TRACER_ENV_LEN - 1] = '\0';
                        printf_verbose("env.sysname = \"%s\"\n", env->sysname);
+                       g_free(right);
                } else if (!strcmp(left, "kernel_release")) {
                        char *right;
 
@@ -2704,6 +2740,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        strncpy(env->release, right, TRACER_ENV_LEN);
                        env->release[TRACER_ENV_LEN - 1] = '\0';
                        printf_verbose("env.release = \"%s\"\n", env->release);
+                       g_free(right);
                } else if (!strcmp(left, "kernel_version")) {
                        char *right;
 
@@ -2719,12 +2756,14 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        strncpy(env->version, right, TRACER_ENV_LEN);
                        env->version[TRACER_ENV_LEN - 1] = '\0';
                        printf_verbose("env.version = \"%s\"\n", env->version);
+                       g_free(right);
                } else {
                        if (is_unary_string(&node->u.ctf_expression.right)) {
                                char *right;
 
                                right = concatenate_unary_strings(&node->u.ctf_expression.right);
                                printf_verbose("env.%s = \"%s\"\n", left, right);
+                               g_free(right);
                        } else if (is_unary_unsigned(&node->u.ctf_expression.right)) {
                                uint64_t v;
                                int ret;
@@ -2812,7 +2851,7 @@ int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struc
                        node, trace->root_declaration_scope, trace);
                if (!declaration)
                        return -ENOMEM;
-               declaration_unref(declaration);
+               bt_declaration_unref(declaration);
                break;
        }
        default:
@@ -2822,7 +2861,6 @@ int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struc
        return 0;
 }
 
-/* TODO: missing metadata "destroy" (memory leak) */
 int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
                struct ctf_trace *trace, int byte_order)
 {
@@ -2938,3 +2976,106 @@ error:
        g_hash_table_destroy(trace->clocks);
        return ret;
 }
+
+int ctf_destroy_metadata(struct ctf_trace *trace)
+{
+       int i;
+       struct ctf_file_stream *metadata_stream;
+
+       if (trace->streams) {
+               for (i = 0; i < trace->streams->len; i++) {
+                       struct ctf_stream_declaration *stream;
+                       int j;
+
+                       stream = g_ptr_array_index(trace->streams, i);
+                       if (!stream)
+                               continue;
+                       for (j = 0; j < stream->streams->len; j++) {
+                               struct ctf_stream_definition *stream_def;
+                               int k;
+
+                               stream_def = g_ptr_array_index(stream->streams, j);
+                               if (!stream_def)
+                                       continue;
+                               for (k = 0; k < stream_def->events_by_id->len; k++) {
+                                       struct ctf_event_definition *event;
+
+                                       event = g_ptr_array_index(stream_def->events_by_id, k);
+                                       if (!event)
+                                               continue;
+                                       if (&event->event_fields->p)
+                                               bt_definition_unref(&event->event_fields->p);
+                                       if (&event->event_context->p)
+                                               bt_definition_unref(&event->event_context->p);
+                                       g_free(event);
+                               }
+                               if (&stream_def->trace_packet_header->p)
+                                       bt_definition_unref(&stream_def->trace_packet_header->p);
+                               if (&stream_def->stream_event_header->p)
+                                       bt_definition_unref(&stream_def->stream_event_header->p);
+                               if (&stream_def->stream_packet_context->p)
+                                       bt_definition_unref(&stream_def->stream_packet_context->p);
+                               if (&stream_def->stream_event_context->p)
+                                       bt_definition_unref(&stream_def->stream_event_context->p);
+                               g_ptr_array_free(stream_def->events_by_id, TRUE);
+                               g_free(stream_def);
+                       }
+                       if (stream->event_header_decl)
+                               bt_declaration_unref(&stream->event_header_decl->p);
+                       if (stream->event_context_decl)
+                               bt_declaration_unref(&stream->event_context_decl->p);
+                       if (stream->packet_context_decl)
+                               bt_declaration_unref(&stream->packet_context_decl->p);
+                       g_ptr_array_free(stream->streams, TRUE);
+                       g_ptr_array_free(stream->events_by_id, TRUE);
+                       g_hash_table_destroy(stream->event_quark_to_id);
+                       free_declaration_scope(stream->declaration_scope);
+                       g_free(stream);
+               }
+               g_ptr_array_free(trace->streams, TRUE);
+       }
+
+       if (trace->event_declarations) {
+               for (i = 0; i < trace->event_declarations->len; i++) {
+                       struct bt_ctf_event_decl *event_decl;
+                       struct ctf_event_declaration *event;
+
+                       event_decl = g_ptr_array_index(trace->event_declarations, i);
+                       if (event_decl->context_decl)
+                               g_ptr_array_free(event_decl->context_decl, TRUE);
+                       if (event_decl->fields_decl)
+                               g_ptr_array_free(event_decl->fields_decl, TRUE);
+                       if (event_decl->packet_header_decl)
+                               g_ptr_array_free(event_decl->packet_header_decl, TRUE);
+                       if (event_decl->event_context_decl)
+                               g_ptr_array_free(event_decl->event_context_decl, TRUE);
+                       if (event_decl->event_header_decl)
+                               g_ptr_array_free(event_decl->event_header_decl, TRUE);
+                       if (event_decl->packet_context_decl)
+                               g_ptr_array_free(event_decl->packet_context_decl, TRUE);
+
+                       event = &event_decl->parent;
+                       if (event->fields_decl)
+                               bt_declaration_unref(&event->fields_decl->p);
+                       if (event->context_decl)
+                               bt_declaration_unref(&event->context_decl->p);
+                       free_declaration_scope(event->declaration_scope);
+
+                       g_free(event);
+               }
+               g_ptr_array_free(trace->event_declarations, TRUE);
+       }
+       if (trace->packet_header_decl)
+               bt_declaration_unref(&trace->packet_header_decl->p);
+
+       free_declaration_scope(trace->root_declaration_scope);
+       free_declaration_scope(trace->declaration_scope);
+
+       g_hash_table_destroy(trace->callsites);
+       g_hash_table_destroy(trace->clocks);
+
+       metadata_stream = container_of(trace->metadata, struct ctf_file_stream, parent);
+       g_free(metadata_stream);
+
+       return 0;
+}
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