add jerryscript source code

APP_Framework/lib/JerryScript/jerryscript/targets/zephyr/src/Makefile

@@ -0,0 +1,22 @@
+# Copyright JS Foundation and other contributors, http://js.foundation
+#
+# 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.
+
+ifdef V
+$(info Compiling application)
+endif
+
+# Adding path for jerry script APIs
+ZEPHYRINCLUDE += $(JERRY_INCLUDE)
+
+obj-y += main-zephyr.o getline-zephyr.o jerry-port.o

APP_Framework/lib/JerryScript/jerryscript/targets/zephyr/src/getline-zephyr.c

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+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * 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 <zephyr.h>
+#include <uart.h>
+#include <drivers/console/console.h>
+#include <drivers/console/uart_console.h>
+#include "getline-zephyr.h"
+
+/* While app processes one input line, Zephyr will have another line
+   buffer to accumulate more console input. */
+static struct console_input line_bufs[2];
+
+static struct k_fifo free_queue;
+static struct k_fifo used_queue;
+
+char *zephyr_getline(void)
+{
+  static struct console_input *cmd;
+
+  /* Recycle cmd buffer returned previous time */
+  if (cmd != NULL)
+  {
+    k_fifo_put(&free_queue, cmd);
+  }
+
+  cmd = k_fifo_get(&used_queue, K_FOREVER);
+  return cmd->line;
+}
+
+void zephyr_getline_init(void)
+{
+  int i;
+
+  k_fifo_init(&used_queue);
+  k_fifo_init(&free_queue);
+  for (i = 0; i < sizeof(line_bufs) / sizeof(*line_bufs); i++)
+  {
+    k_fifo_put(&free_queue, &line_bufs[i]);
+  }
+
+  /* Zephyr UART handler takes an empty buffer from free_queue,
+     stores UART input in it until EOL, and then puts it into
+     used_queue. */
+  uart_register_input(&free_queue, &used_queue, NULL);
+}

APP_Framework/lib/JerryScript/jerryscript/targets/zephyr/src/getline-zephyr.h

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+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * 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.
+ */
+
+void zephyr_getline_init(void);
+char *zephyr_getline(void);

APP_Framework/lib/JerryScript/jerryscript/targets/zephyr/src/jerry-port.c

@@ -0,0 +1,81 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * 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 <stdarg.h>
+
+#include <zephyr.h>
+
+#include "jerryscript-port.h"
+
+
+/**
+ * Provide log message implementation for the engine.
+ */
+void
+jerry_port_log (jerry_log_level_t level, /**< log level */
+                const char *format, /**< format string */
+                ...)  /**< parameters */
+{
+  (void) level; /* ignore log level */
+
+  va_list args;
+  va_start (args, format);
+  vfprintf (stderr, format, args);
+  va_end (args);
+} /* jerry_port_log */
+
+
+/**
+ * Provide fatal message implementation for the engine.
+ */
+void jerry_port_fatal (jerry_fatal_code_t code)
+{
+  jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Jerry Fatal Error!\n");
+  while (true);
+} /* jerry_port_fatal */
+
+/**
+ * Implementation of jerry_port_get_current_time.
+ *
+ * @return current timer's counter value in milliseconds
+ */
+double
+jerry_port_get_current_time (void)
+{
+  int64_t ms = k_uptime_get();
+  return (double) ms;
+} /* jerry_port_get_current_time */
+
+/**
+ * Dummy function to get the time zone adjustment.
+ *
+ * @return 0
+ */
+double
+jerry_port_get_local_time_zone_adjustment (double unix_ms, bool is_utc)
+{
+  /* We live in UTC. */
+  return 0;
+} /* jerry_port_get_local_time_zone_adjustment */
+
+/**
+ * Provide the implementation of jerry_port_print_char.
+ * Uses 'printf' to print a single character to standard output.
+ */
+void
+jerry_port_print_char (char c) /**< the character to print */
+{
+  printf ("%c", c);
+} /* jerry_port_print_char */

APP_Framework/lib/JerryScript/jerryscript/targets/zephyr/src/main-zephyr.c

@@ -0,0 +1,118 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <zephyr.h>
+#include <misc/printk.h>
+#include "getline-zephyr.h"
+
+#include "jerryscript.h"
+#include "jerryscript-port.h"
+#include "jerryscript-ext/handler.h"
+
+static jerry_value_t print_function;
+
+/**
+ * Register a JavaScript function in the global object.
+ */
+static void
+register_js_function (const char *name_p, /**< name of the function */
+                      jerry_external_handler_t handler_p) /**< function callback */
+{
+  jerry_value_t result_val = jerryx_handler_register_global ((const jerry_char_t *) name_p, handler_p);
+
+  if (jerry_value_is_error (result_val))
+  {
+    jerry_port_log (JERRY_LOG_LEVEL_WARNING, "Warning: failed to register '%s' method.", name_p);
+  }
+
+  jerry_release_value (result_val);
+} /* register_js_function */
+
+static int shell_cmd_handler (char *source_buffer)
+{
+  jerry_value_t ret_val;
+
+  ret_val = jerry_eval ((jerry_char_t *) source_buffer,
+    strlen (source_buffer),
+    JERRY_PARSE_NO_OPTS);
+
+  if (jerry_value_is_error (ret_val))
+  {
+    /* User-friendly error messages require at least "cp" JerryScript
+       profile. Include a message prefix in case "cp_minimal" profile
+       is used. */
+    printf ("Error executing statement: ");
+    /* Clear error flag, otherwise print call below won't produce any
+       output. */
+    ret_val = jerry_get_value_from_error (ret_val, true);
+  }
+
+  if (!jerry_value_is_error (print_function))
+  {
+    jerry_value_t ret_val_print = jerry_call_function (print_function,
+      jerry_create_undefined (),
+      &ret_val,
+      1);
+    jerry_release_value (ret_val_print);
+  }
+
+  jerry_release_value (ret_val);
+
+  return 0;
+} /* shell_cmd_handler */
+
+void main (void)
+{
+  union { double d; unsigned u; } now = { .d = jerry_port_get_current_time () };
+  srand (now.u);
+  uint32_t zephyr_ver = sys_kernel_version_get ();
+  printf ("JerryScript build: " __DATE__ " " __TIME__ "\n");
+  printf ("JerryScript API %d.%d.%d\n", JERRY_API_MAJOR_VERSION, JERRY_API_MINOR_VERSION, JERRY_API_PATCH_VERSION);
+  printf ("Zephyr version %d.%d.%d\n", (int)SYS_KERNEL_VER_MAJOR (zephyr_ver),
+    (int)SYS_KERNEL_VER_MINOR (zephyr_ver),
+    (int)SYS_KERNEL_VER_PATCHLEVEL (zephyr_ver));
+
+  zephyr_getline_init ();
+  jerry_init (JERRY_INIT_EMPTY);
+  register_js_function ("print", jerryx_handler_print);
+  jerry_value_t global_obj_val = jerry_get_global_object ();
+
+  jerry_value_t print_func_name_val = jerry_create_string ((jerry_char_t *) "print");
+  print_function = jerry_get_property (global_obj_val, print_func_name_val);
+  jerry_release_value (print_func_name_val);
+  jerry_release_value (global_obj_val);
+  if (jerry_value_is_error (print_function))
+  {
+    printf ("Error: could not look up print function, expression results won't be printed\n");
+  }
+
+  while (1)
+  {
+    char *s;
+    printf("js> ");
+    fflush(stdout);
+    s = zephyr_getline ();
+    if (*s)
+    {
+      shell_cmd_handler (s);
+    }
+  }
+
+  /* As we never retturn from REPL above, don't call jerry_cleanup() here. */
+} /* main */