forked from xuos/xiuos
125 lines
3.6 KiB
C
125 lines
3.6 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 <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "esp_log.h"
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#include "jerryscript-port.h"
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#include "jerryscript-debugger.h"
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static const char TAG[] = "JS";
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static esp_log_level_t crosslog(jerry_log_level_t level)
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{
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switch(level)
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{
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case JERRY_LOG_LEVEL_ERROR: return ESP_LOG_ERROR;
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case JERRY_LOG_LEVEL_WARNING: return ESP_LOG_WARN;
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case JERRY_LOG_LEVEL_DEBUG: return ESP_LOG_DEBUG;
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case JERRY_LOG_LEVEL_TRACE: return ESP_LOG_VERBOSE;
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}
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return ESP_LOG_NONE;
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}
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/**
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* Actual log level
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*/
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static jerry_log_level_t jerry_port_default_log_level = JERRY_LOG_LEVEL_ERROR;
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/**
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* Get the log level
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*
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* @return current log level
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*/
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jerry_log_level_t
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jerry_port_default_get_log_level (void)
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{
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return jerry_port_default_log_level;
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} /* jerry_port_default_get_log_level */
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/**
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* Set the log level
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*/
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void
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jerry_port_default_set_log_level (jerry_log_level_t level) /**< log level */
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{
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jerry_port_default_log_level = level;
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} /* jerry_port_default_set_log_level */
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/**
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* Default implementation of jerry_port_log. Prints log message to the standard
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* error with 'vfprintf' if message log level is less than or equal to the
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* current log level.
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*
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* If debugger support is enabled, printing happens first to an in-memory buffer,
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* which is then sent both to the standard error and to the debugger client.
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*/
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void
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jerry_port_log (jerry_log_level_t level, /**< message log level */
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const char *format, /**< format string */
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...) /**< parameters */
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{
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if (level <= jerry_port_default_log_level)
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{
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va_list args;
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va_start (args, format);
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#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
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int length = vsnprintf (NULL, 0, format, args);
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va_end (args);
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va_start (args, format);
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JERRY_VLA (char, buffer, length + 1);
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vsnprintf (buffer, (size_t) length + 1, format, args);
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esp_log_write(crosslog(level), TAG, buffer);
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jerry_debugger_send_log (level, (jerry_char_t *) buffer, (jerry_size_t) length);
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#else /* If jerry-debugger isn't defined, libc is turned on */
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esp_log_writev(crosslog(level), TAG, format, args);
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#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
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va_end (args);
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}
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} /* jerry_port_log */
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#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
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#define DEBUG_BUFFER_SIZE (256)
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static char debug_buffer[DEBUG_BUFFER_SIZE];
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static int debug_buffer_index = 0;
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#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
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/**
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* Default implementation of jerry_port_print_char. Uses 'putchar' to
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* print a single character to standard output.
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*/
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void
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jerry_port_print_char (char c) /**< the character to print */
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{
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putchar(c);
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#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
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debug_buffer[debug_buffer_index++] = c;
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if ((debug_buffer_index == DEBUG_BUFFER_SIZE) || (c == '\n'))
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{
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jerry_debugger_send_output ((jerry_char_t *) debug_buffer, (jerry_size_t) debug_buffer_index);
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debug_buffer_index = 0;
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}
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#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
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} /* jerry_port_print_char */
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