mirror of
https://github.com/jerryscript-project/jerryscript.git
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c51b268276
* Removed hardware specific implementations * Added simple 'hello world' demo code to be aligned to other targets * Added ability to use external resources from outside JerryScript folder JerryScript-DCO-1.0-Signed-off-by: Roland Takacs roland.takacs@h-lab.eu
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed.h"
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#include "jerry-core/include/jerryscript.h"
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#include "jerry-core/include/jerryscript-port.h"
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#include "jerryscript-ext/handler.h"
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/**
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* Standalone Jerry exit codes
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*/
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#define JERRY_STANDALONE_EXIT_CODE_OK (0)
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#define JERRY_STANDALONE_EXIT_CODE_FAIL (1)
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/**
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* Register a JavaScript function in the global object.
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*/
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static void
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register_js_function (const char *name_p, /**< name of the function */
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jerry_external_handler_t handler_p) /**< function callback */
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{
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jerry_value_t result_val = jerryx_handler_register_global (name_p, handler_p);
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if (jerry_value_is_exception (result_val))
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{
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jerry_port_log (JERRY_LOG_LEVEL_WARNING, "[Warning] Failed to register '%s' method.", name_p);
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}
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jerry_value_free (result_val);
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} /* register_js_function */
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int main()
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{
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Serial device(USBTX, USBRX); // tx, rx
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device.baud(115200);
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/* Initialize engine */
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jerry_init (JERRY_INIT_EMPTY);
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jerry_value_t ret_value = jerry_undefined ();
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const jerry_char_t script[] = "print ('Hello, World!');";
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jerry_port_log (JERRY_LOG_LEVEL_DEBUG, "This test run the following script code: [%s]\n\n", script);
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/* Register the print function in the global object. */
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register_js_function ("print", jerryx_handler_print);
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/* Setup Global scope code */
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ret_value = jerry_parse (script, sizeof (script) - 1, NULL);
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if (!jerry_value_is_exception (ret_value))
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{
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/* Execute the parsed source code in the Global scope */
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ret_value = jerry_run (ret_value);
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}
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int ret_code = JERRY_STANDALONE_EXIT_CODE_OK;
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if (jerry_value_is_exception (ret_value))
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{
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "[Error] Script Error!");
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ret_code = JERRY_STANDALONE_EXIT_CODE_FAIL;
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}
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jerry_value_free (ret_value);
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/* Cleanup engine */
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jerry_cleanup ();
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return ret_code;
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}
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