pebble/third_party/jerryscript/targets/mbed/source/jerry_run.cpp
2025-01-27 11:38:16 -08:00

128 lines
3.3 KiB
C++

/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
* Copyright 2016 University of Szeged.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <stdio.h>
#include "jerry-core/jerry-api.h"
#include "jerry_extapi.h"
#include "jerry_run.h"
static const char* fn_sys_loop_name = "sysloop";
int js_entry (const char *source_p, const size_t source_size)
{
const jerry_char_t *jerry_src = (const jerry_char_t *) source_p;
jerry_init (JERRY_INIT_EMPTY);
uint8_t ret_code = 0;
js_register_functions ();
jerry_value_t parsed_code = jerry_parse (jerry_src, source_size, false);
if (!jerry_value_has_error_flag (parsed_code))
{
jerry_value_t ret_value = jerry_run (parsed_code);
if (jerry_value_has_error_flag (ret_value))
{
printf ("Error: ret_value has an error flag!\r\n");
return ret_code = -1;
}
jerry_release_value (ret_value);
}
else
{
printf ("Error: jerry_parse failed!\r\n");
ret_code = -1;
}
jerry_release_value (parsed_code);
return ret_code;
}
int js_eval (const char *source_p, const size_t source_size)
{
int status = 0;
jerry_value_t ret_val = jerry_eval ((jerry_char_t *) source_p,
source_size,
false);
if (jerry_value_has_error_flag (ret_val))
{
printf ("Error: jerry_eval failed!\r\n");
status = -1;
}
jerry_release_value (ret_val);
return status;
}
int js_loop (uint32_t ticknow)
{
int status = 0;
jerry_value_t global_obj = jerry_get_global_object ();
jerry_value_t sys_name = jerry_create_string ((const jerry_char_t *) fn_sys_loop_name);
jerry_value_t sysloop_func = jerry_get_property (global_obj, sys_name);
jerry_release_value (sys_name);
if (jerry_value_has_error_flag (sysloop_func))
{
printf ("Error: '%s' not defined!!!\r\n", fn_sys_loop_name);
jerry_release_value (global_obj);
jerry_release_value (sysloop_func);
return -1;
}
if (!jerry_value_is_function (sysloop_func))
{
printf ("Error: '%s' is not a function!!!\r\n", fn_sys_loop_name);
jerry_release_value (global_obj);
jerry_release_value (sysloop_func);
return -2;
}
jerry_value_t val_args[1];
uint16_t val_argv = 1;
val_args[0] = jerry_create_number (ticknow);
jerry_value_t ret_val_sysloop = jerry_call_function (sysloop_func,
global_obj,
val_args,
val_argv);
if (jerry_value_has_error_flag (ret_val_sysloop))
{
status = -3;
}
jerry_release_value (global_obj);
jerry_release_value (ret_val_sysloop);
jerry_release_value (sysloop_func);
jerry_release_value (val_args[0]);
return status;
}
void js_exit (void)
{
jerry_cleanup ();
}