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 +1,145 @@
+/* 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 <stdlib.h>
+#include <string.h>
+#include "esp_log.h"
+
+#include "jerryscript-port.h"
+#include "jerryscript-debugger.h"
+
+static const char TAG[] = "JS";
+
+static esp_log_level_t crosslog(jerry_log_level_t level)
+{
+  switch(level) 
+  {
+    case JERRY_LOG_LEVEL_ERROR: return ESP_LOG_ERROR;
+    case JERRY_LOG_LEVEL_WARNING: return ESP_LOG_WARN;
+    case JERRY_LOG_LEVEL_DEBUG: return ESP_LOG_DEBUG;
+    case JERRY_LOG_LEVEL_TRACE: return ESP_LOG_VERBOSE;
+  }
+    
+ return ESP_LOG_NONE;
+}
+
+#ifndef DISABLE_EXTRA_API
+
+/**
+ * Actual log level
+ */
+static jerry_log_level_t jerry_port_default_log_level = JERRY_LOG_LEVEL_ERROR;
+
+#define JERRY_PORT_DEFAULT_LOG_LEVEL jerry_port_default_log_level
+
+/**
+ * Get the log level
+ *
+ * @return current log level
+ *
+ * Note:
+ *      This function is only available if the port implementation library is
+ *      compiled without the DISABLE_EXTRA_API macro.
+ */
+jerry_log_level_t
+jerry_port_default_get_log_level (void)
+{
+  return jerry_port_default_log_level;
+} /* jerry_port_default_get_log_level */
+
+/**
+ * Set the log level
+ *
+ * Note:
+ *      This function is only available if the port implementation library is
+ *      compiled without the DISABLE_EXTRA_API macro.
+ */
+void
+jerry_port_default_set_log_level (jerry_log_level_t level) /**< log level */
+{
+  jerry_port_default_log_level = level;
+} /* jerry_port_default_set_log_level */
+
+#else /* DISABLE_EXTRA_API */
+#define JERRY_PORT_DEFAULT_LOG_LEVEL JERRY_LOG_LEVEL_ERROR
+#endif /* !DISABLE_EXTRA_API */
+
+/**
+ * Default implementation of jerry_port_log. Prints log message to the standard
+ * error with 'vfprintf' if message log level is less than or equal to the
+ * current log level.
+ *
+ * If debugger support is enabled, printing happens first to an in-memory buffer,
+ * which is then sent both to the standard error and to the debugger client.
+ *
+ * Note:
+ *      Changing the log level from JERRY_LOG_LEVEL_ERROR is only possible if
+ *      the port implementation library is compiled without the
+ *      DISABLE_EXTRA_API macro.
+ */
+void
+jerry_port_log (jerry_log_level_t level, /**< message log level */
+                const char *format, /**< format string */
+                ...)  /**< parameters */
+{
+  if (level <= JERRY_PORT_DEFAULT_LOG_LEVEL)
+  {
+    va_list args;
+    va_start (args, format);
+#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
+    int length = vsnprintf (NULL, 0, format, args);
+    va_end (args);
+    va_start (args, format);
+
+    JERRY_VLA (char, buffer, length + 1);
+    vsnprintf (buffer, (size_t) length + 1, format, args);
+
+    esp_log_write(crosslog(level), TAG, buffer);
+    jerry_debugger_send_log (level, (jerry_char_t *) buffer, (jerry_size_t) length);
+#else /* If jerry-debugger isn't defined, libc is turned on */
+    esp_log_writev(crosslog(level), TAG, format, args);
+#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
+    va_end (args);
+  }
+} /* jerry_port_log */
+
+#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
+
+#define DEBUG_BUFFER_SIZE (256)
+static char debug_buffer[DEBUG_BUFFER_SIZE];
+static int debug_buffer_index = 0;
+
+#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
+
+/**
+ * Default implementation of jerry_port_print_char. Uses 'putchar' to
+ * print a single character to standard output.
+ */
+void
+jerry_port_print_char (char c) /**< the character to print */
+{
+  putchar(c);
+
+#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
+  debug_buffer[debug_buffer_index++] = c;
+
+  if ((debug_buffer_index == DEBUG_BUFFER_SIZE) || (c == '\n'))
+  {
+    jerry_debugger_send_output ((jerry_char_t *) debug_buffer, (jerry_size_t) debug_buffer_index);
+    debug_buffer_index = 0;
+  }
+#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
+} /* jerry_port_print_char */