+// ***** Ignore global variables
+
+void MCer_ignore_global_variable(const char *name)
+{
+ mc_process_t process = &mc_model_checker->process();
+ xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
+ xbt_assert(process->object_infos, "MC subsystem not initialized");
+
+ size_t n = process->object_infos_size;
+ for (size_t i=0; i!=n; ++i) {
+ mc_object_info_t info = process->object_infos[i];
+
+ // Binary search:
+ int start = 0;
+ int end = xbt_dynar_length(info->global_variables) - 1;
+ while (start <= end) {
+ unsigned int cursor = (start + end) / 2;
+ dw_variable_t current_var =
+ (dw_variable_t) xbt_dynar_get_as(info->global_variables,
+ cursor, dw_variable_t);
+ if (strcmp(current_var->name, name) == 0) {
+ xbt_dynar_remove_at(info->global_variables, cursor, NULL);
+ start = 0;
+ end = xbt_dynar_length(info->global_variables) - 1;
+ } else if (strcmp(current_var->name, name) < 0) {
+ start = cursor + 1;
+ } else {
+ end = cursor - 1;
+ }
+ }
+ }
+ mmalloc_set_current_heap(heap);
+}
+
+// ***** Ignore local variables
+
+static void mc_ignore_local_variable_in_scope(const char *var_name,
+ const char *subprogram_name,
+ dw_frame_t subprogram,
+ dw_frame_t scope);
+static void MC_ignore_local_variable_in_object(const char *var_name,
+ const char *subprogram_name,
+ mc_object_info_t info);
+
+void MC_ignore_local_variable(const char *var_name, const char *frame_name)
+{
+ mc_process_t process = &mc_model_checker->process();
+ if (strcmp(frame_name, "*") == 0)
+ frame_name = NULL;
+ xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
+
+ size_t n = process->object_infos_size;
+ size_t i;
+ for (i=0; i!=n; ++i) {
+ MC_ignore_local_variable_in_object(var_name, frame_name, process->object_infos[i]);
+ }
+
+ mmalloc_set_current_heap(heap);
+}
+
+static void MC_ignore_local_variable_in_object(const char *var_name,
+ const char *subprogram_name,
+ mc_object_info_t info)
+{
+ xbt_dict_cursor_t cursor2;
+ dw_frame_t frame;
+ char *key;
+ xbt_dict_foreach(info->subprograms, cursor2, key, frame) {
+ mc_ignore_local_variable_in_scope(var_name, subprogram_name, frame, frame);
+ }
+}
+
+/** \brief Ignore a local variable in a scope
+ *
+ * Ignore all instances of variables with a given name in
+ * any (possibly inlined) subprogram with a given namespaced
+ * name.
+ *
+ * \param var_name Name of the local variable (or parameter to ignore)
+ * \param subprogram_name Name of the subprogram fo ignore (NULL for any)
+ * \param subprogram (possibly inlined) Subprogram of the scope
+ * \param scope Current scope
+ */
+static void mc_ignore_local_variable_in_scope(const char *var_name,
+ const char *subprogram_name,
+ dw_frame_t subprogram,
+ dw_frame_t scope)
+{
+ // Processing of direct variables:
+
+ // If the current subprogram matches the given name:
+ if (!subprogram_name ||
+ (subprogram->name && strcmp(subprogram_name, subprogram->name) == 0)) {
+
+ // Try to find the variable and remove it:
+ int start = 0;
+ int end = xbt_dynar_length(scope->variables) - 1;
+
+ // Dichotomic search:
+ while (start <= end) {
+ int cursor = (start + end) / 2;
+ dw_variable_t current_var =
+ (dw_variable_t) xbt_dynar_get_as(scope->variables, cursor,
+ dw_variable_t);
+
+ int compare = strcmp(current_var->name, var_name);
+ if (compare == 0) {
+ // Variable found, remove it:
+ xbt_dynar_remove_at(scope->variables, cursor, NULL);
+
+ // and start again:
+ start = 0;
+ end = xbt_dynar_length(scope->variables) - 1;
+ } else if (compare < 0) {
+ start = cursor + 1;
+ } else {
+ end = cursor - 1;
+ }
+ }
+
+ }
+ // And recursive processing in nested scopes:
+ unsigned cursor = 0;
+ dw_frame_t nested_scope = NULL;
+ xbt_dynar_foreach(scope->scopes, cursor, nested_scope) {
+ // The new scope may be an inlined subroutine, in this case we want to use its
+ // namespaced name in recursive calls:
+ dw_frame_t nested_subprogram =
+ nested_scope->tag ==
+ DW_TAG_inlined_subroutine ? nested_scope : subprogram;
+
+ mc_ignore_local_variable_in_scope(var_name, subprogram_name,
+ nested_subprogram, nested_scope);
+ }
+}
+
