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Import of the watch repository from Pebble
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third_party/jerryscript/targets/zephyr/src/main-zephyr.c
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third_party/jerryscript/targets/zephyr/src/main-zephyr.c
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/* Copyright 2016 Intel Corporation
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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 <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <zephyr.h>
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#include <misc/printk.h>
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#include <misc/shell.h>
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#include "getline-zephyr.h"
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#include "jerry-api.h"
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static jerry_value_t print_function;
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static int shell_cmd_handler (char *source_buffer)
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{
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jerry_value_t ret_val;
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ret_val = jerry_eval ((jerry_char_t *) source_buffer,
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strlen (source_buffer),
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false);
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if (jerry_value_has_error_flag (ret_val))
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{
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/* User-friendly error messages require at least "cp" JerryScript
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profile. Include a message prefix in case "cp_minimal" profile
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is used. */
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printf ("Error executing statement: ");
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/* Clear error flag, otherwise print call below won't produce any
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output. */
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jerry_value_clear_error_flag (&ret_val);
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}
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if (!jerry_value_has_error_flag (print_function))
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{
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jerry_value_t ret_val_print = jerry_call_function (print_function,
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jerry_create_undefined (),
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&ret_val,
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1);
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jerry_release_value (ret_val_print);
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}
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jerry_release_value (ret_val);
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return 0;
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} /* shell_cmd_handler */
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void main (void)
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{
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uint32_t zephyr_ver = sys_kernel_version_get ();
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printf ("JerryScript build: " __DATE__ " " __TIME__ "\n");
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printf ("JerryScript API %d.%d\n", JERRY_API_MAJOR_VERSION, JERRY_API_MINOR_VERSION);
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printf ("Zephyr version %d.%d.%d\n", (int)SYS_KERNEL_VER_MAJOR (zephyr_ver),
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(int)SYS_KERNEL_VER_MINOR (zephyr_ver),
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(int)SYS_KERNEL_VER_PATCHLEVEL (zephyr_ver));
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zephyr_getline_init ();
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jerry_init (JERRY_INIT_EMPTY);
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jerry_value_t global_obj_val = jerry_get_global_object ();
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jerry_value_t print_func_name_val = jerry_create_string ((jerry_char_t *) "print");
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print_function = jerry_get_property (global_obj_val, print_func_name_val);
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jerry_release_value (print_func_name_val);
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jerry_release_value (global_obj_val);
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if (jerry_value_has_error_flag (print_function))
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{
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printf ("Error: could not look up print function, expression results won't be printed\n");
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}
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while (1)
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{
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char *s;
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printf("js> ");
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fflush(stdout);
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s = zephyr_getline ();
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if (*s)
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{
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shell_cmd_handler (s);
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}
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}
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/* As we never retturn from REPL above, don't call jerry_cleanup() here. */
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} /* main */
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