espressif's ESP-IDF port (#4270)

JerryScript-DCO-1.0-Signed-off-by: Philippe pgu-swir@users.noreply.github.com Co-authored-by: Philippe <pgu-swir@users.noreply.github.com>
2020-10-21 10:56:59 -07:00
parent 8a0a86e3c7
commit f303017542
10 changed files with 513 additions and 0 deletions
@@ -0,0 +1,113 @@
+/* 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 <limits.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "jerryscript-port.h"
+
+/**
+ * Opens file with the given path and reads its source.
+ * @return the source of the file
+ */
+uint8_t *
+jerry_port_read_source (const char *file_name_p, /**< file name */
+                        size_t *out_size_p) /**< [out] read bytes */
+{
+  FILE *file_p = fopen (file_name_p, "rb");
+
+  if (file_p == NULL)
+  {
+    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to open file: %s\n", file_name_p);
+    return NULL;
+  }
+
+  struct stat info = { };
+  fstat(fileno(file_p), &info);	
+  uint8_t *buffer_p = (uint8_t *) malloc (info.st_size);
+
+  if (buffer_p == NULL)
+  {
+    fclose (file_p);
+
+    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to allocate memory for file: %s\n", file_name_p);
+    return NULL;
+  }
+
+  size_t bytes_read = fread (buffer_p, 1u, info.st_size, file_p);
+  if (bytes_read != info.st_size)
+  {
+    fclose (file_p);
+    free (buffer_p);
+
+    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to read file: %s\n", file_name_p);
+    return NULL;
+  }
+
+  fclose (file_p);
+  *out_size_p = bytes_read;
+
+  return buffer_p;
+} /* jerry_port_read_source */
+
+/**
+ * Release the previously opened file's content.
+ */
+void
+jerry_port_release_source (uint8_t *buffer_p) /**< buffer to free */
+{
+  free (buffer_p);
+} /* jerry_port_release_source */
+
+/**
+ * Normalize a file path
+ *
+ * @return length of the path written to the output buffer
+ */
+size_t
+jerry_port_normalize_path (const char *in_path_p,   /**< input file path */
+                           char *out_buf_p,         /**< output buffer */
+                           size_t out_buf_size,     /**< size of output buffer */
+                           char *base_file_p)       /**< base file path */
+{
+  size_t ret = strlen(base_file_p) + strlen(in_path_p) + 1;
+
+  if (ret < out_buf_size) {
+    strcpy (out_buf_p, base_file_p);
+    strcat (out_buf_p, "/");
+    strcat (out_buf_p, in_path_p);
+    return ret;
+  }
+
+  return 0; 
+} /* jerry_port_normalize_path */
+
+/**
+ * Get the module object of a native module.
+ *
+ * @return Undefined, if 'name' is not a native module
+ *         jerry_value_t containing the module object, otherwise
+ */
+jerry_value_t
+jerry_port_get_native_module (jerry_value_t name) /**< module specifier */
+{
+  (void) name;
+  return jerry_create_undefined ();
+} /* jerry_port_get_native_module */