void
mrb_init_exception(mrb_state *mrb)
{
struct RClass *exception, *runtime_error, *script_error;
mrb->eException_class = exception = mrb_define_class(mrb, "Exception", mrb->object_class); /* 15.2.22 */
MRB_SET_INSTANCE_TT(exception, MRB_TT_EXCEPTION);
mrb_define_class_method(mrb, exception, "exception", mrb_instance_new, MRB_ARGS_ANY());
mrb_define_method(mrb, exception, "exception", exc_exception, MRB_ARGS_ANY());
mrb_define_method(mrb, exception, "initialize", exc_initialize, MRB_ARGS_ANY());
mrb_define_method(mrb, exception, "to_s", exc_to_s, MRB_ARGS_NONE());
mrb_define_method(mrb, exception, "message", exc_message, MRB_ARGS_NONE());
mrb_define_method(mrb, exception, "inspect", exc_inspect, MRB_ARGS_NONE());
mrb_define_method(mrb, exception, "backtrace", exc_get_backtrace, MRB_ARGS_NONE());
mrb_define_method(mrb, exception, "set_backtrace", exc_set_backtrace, MRB_ARGS_REQ(1));
mrb->eStandardError_class = mrb_define_class(mrb, "StandardError", mrb->eException_class); /* 15.2.23 */
runtime_error = mrb_define_class(mrb, "RuntimeError", mrb->eStandardError_class); /* 15.2.28 */
mrb->nomem_err = mrb_obj_ptr(mrb_exc_new_str_lit(mrb, runtime_error, "Out of memory"));
#ifdef MRB_GC_FIXED_ARENA
mrb->arena_err = mrb_obj_ptr(mrb_exc_new_str_lit(mrb, runtime_error, "arena overflow error"));
#endif
script_error = mrb_define_class(mrb, "ScriptError", mrb->eException_class); /* 15.2.37 */
mrb_define_class(mrb, "SyntaxError", script_error); /* 15.2.38 */
mrb_define_class(mrb, "SystemStackError", exception);
}
static mrb_value check_precond(mrb_state *mrb, h2o_mruby_generator_t *generator)
{
if (generator == NULL || generator->req == NULL)
return mrb_exc_new_str_lit(mrb, E_RUNTIME_ERROR, "downstream HTTP closed");
if (generator->req->_generator == NULL)
return mrb_exc_new_str_lit(mrb, E_RUNTIME_ERROR, "cannot send chunk before sending headers");
return mrb_nil_value();
}
mrb_value h2o_mruby_http_join_response_callback(h2o_mruby_generator_t *generator, mrb_value receiver, mrb_value args,
int *next_action)
{
mrb_state *mrb = generator->ctx->mrb;
struct st_h2o_mruby_http_request_context_t *ctx;
if (generator->req == NULL)
return create_downstream_closed_exception(mrb);
if ((ctx = mrb_data_check_get_ptr(mrb, mrb_ary_entry(args, 0), &request_type)) == NULL)
return mrb_exc_new_str_lit(mrb, E_ARGUMENT_ERROR, "HttpRequest#join wrong self");
ctx->receiver = receiver;
*next_action = H2O_MRUBY_CALLBACK_NEXT_ACTION_ASYNC;
return mrb_nil_value();
}
mrb_value h2o_mruby_http_fetch_chunk_callback(h2o_mruby_generator_t *generator, mrb_value receiver, mrb_value args,
int *next_action)
{
mrb_state *mrb = generator->ctx->mrb;
struct st_h2o_mruby_http_request_context_t *ctx;
mrb_value ret;
if (generator->req == NULL)
return create_downstream_closed_exception(mrb);
if ((ctx = mrb_data_check_get_ptr(mrb, mrb_ary_entry(args, 0), &input_stream_type)) == NULL)
return mrb_exc_new_str_lit(mrb, E_ARGUMENT_ERROR, "_HttpInputStream#each wrong self");
if (ctx->resp.has_content) {
ret = build_chunk(ctx);
} else {
ctx->receiver = receiver;
*next_action = H2O_MRUBY_CALLBACK_NEXT_ACTION_ASYNC;
ret = mrb_nil_value();
}
return ret;
}
static void
irep_error(mrb_state *mrb)
{
mrb_exc_set(mrb, mrb_exc_new_str_lit(mrb, E_SCRIPT_ERROR, "irep load error"));
}
static void
irep_error(mrb_state *mrb)
{
mrb->exc = mrb_obj_ptr(mrb_exc_new_str_lit(mrb, E_SCRIPT_ERROR, "irep load error"));
}
static mrb_value create_downstream_closed_exception(mrb_state *mrb)
{
return mrb_exc_new_str_lit(mrb, E_RUNTIME_ERROR, "downstream HTTP closed");
}