/* * Define constants toplevel. Uses the casing as in the typelib */ static void seed_gi_importer_handle_constant(JSContextRef ctx, JSObjectRef namespace_ref, GIConstantInfo* info, JSValueRef* exception) { GArgument argument; GITypeInfo* constant_type = g_constant_info_get_type(info); JSValueRef constant_value; g_constant_info_get_value(info, &argument); constant_value = seed_value_from_gi_argument(ctx, &argument, constant_type, exception); seed_object_set_property(ctx, namespace_ref, g_base_info_get_name((GIBaseInfo*) info), constant_value); g_base_info_unref((GIBaseInfo*) constant_type); g_constant_info_free_value(info, &argument); }
static gboolean peas_extension_seed_call (PeasExtensionWrapper *exten, const gchar *method_name, GIArgument *args, GIArgument *retval) { PeasExtensionSeed *sexten = PEAS_EXTENSION_SEED (exten); GType exten_type; SeedValue js_method; GICallableInfo *func_info; gint n_args, i; SeedValue *js_in_args; OutArg *out_args; SeedValue js_ret, val; SeedException exc = NULL; gchar *exc_string; gint n_in_args = 0; gint n_out_args = 0; GIArgument argument; g_return_val_if_fail (sexten->js_context != NULL, FALSE); g_return_val_if_fail (sexten->js_object != NULL, FALSE); exten_type = peas_extension_wrapper_get_extension_type (exten); /* Fetch the JS method we want to call */ js_method = seed_object_get_property (sexten->js_context, sexten->js_object, method_name); if (seed_value_is_undefined (sexten->js_context, js_method)) { g_warning ("Method '%s.%s' is not defined", g_type_name (exten_type), method_name); return FALSE; } /* We want to display an error if the method is defined but is not a function. */ if (!seed_value_is_function (sexten->js_context, js_method)) { g_warning ("Method '%s.%s' is not a function", g_type_name (exten_type), method_name); return FALSE; } /* Prepare the arguments */ func_info = peas_gi_get_method_info (exten_type, method_name); if (func_info == NULL) return FALSE; n_args = g_callable_info_get_n_args (func_info); g_return_val_if_fail (n_args >= 0, FALSE); js_in_args = g_newa (SeedValue, n_args); out_args = g_newa (OutArg, n_args + 1); /* We put the return value first in the out tuple, as it seems to be * the common behaviour for GI-based bindings */ g_callable_info_load_return_type (func_info, &out_args[0].type_info); if (g_type_info_get_tag (&out_args[0].type_info) != GI_TYPE_TAG_VOID) out_args[n_out_args++].ptr = &retval->v_pointer; /* Handle the other arguments */ for (i = 0; i < n_args && exc == NULL; i++) { GIArgInfo arg_info; GIDirection direction; g_callable_info_load_arg (func_info, i, &arg_info); direction = g_arg_info_get_direction (&arg_info); g_arg_info_load_type (&arg_info, &out_args[n_out_args].type_info); if (direction == GI_DIRECTION_IN) { js_in_args[n_in_args++] = seed_value_from_gi_argument (sexten->js_context, &args[i], &out_args[n_out_args].type_info, &exc); } if (direction == GI_DIRECTION_INOUT) { GIArgument arg; peas_gi_pointer_to_argument (&out_args[n_out_args].type_info, args[i].v_pointer, &arg); js_in_args[n_in_args++] = seed_value_from_gi_argument (sexten->js_context, &arg, &out_args[n_out_args].type_info, &exc); } if (direction == GI_DIRECTION_OUT || direction == GI_DIRECTION_INOUT) out_args[n_out_args++].ptr = args[i].v_pointer; } if (exc != NULL) goto cleanup; js_ret = seed_object_call (sexten->js_context, js_method, sexten->js_object, n_in_args, js_in_args, &exc); if (exc != NULL) goto cleanup; if (n_out_args == 1) { if (seed_value_to_gi_argument (sexten->js_context, js_ret, &out_args[0].type_info, &argument, &exc)) { peas_gi_argument_to_pointer (&out_args[0].type_info, &argument, out_args[0].ptr); } } else if (n_out_args > 0 && seed_value_is_object (sexten->js_context, js_ret)) { for (i = 0; i < n_out_args && exc == NULL; i++) { val = seed_object_get_property_at_index (sexten->js_context, js_ret, i, exc); if (exc == NULL && seed_value_to_gi_argument (sexten->js_context, val, &out_args[i].type_info, &argument, &exc)) { peas_gi_argument_to_pointer (&out_args[i].type_info, &argument, out_args[i].ptr); } } } cleanup: g_base_info_unref ((GIBaseInfo *) func_info); if (exc == NULL) return TRUE; exc_string = seed_exception_to_string (sexten->js_context, exc); g_warning ("Seed Exception: %s", exc_string); g_free (exc_string); return FALSE; }