* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
#ifndef ERROR_H
#define ERROR_H
-#include "replacements.h"
#include "command.h"
-#include <stdarg.h>
-
-/* logging priorities
- * LOG_USER - user messages. Could be anything from information
- * to progress messags. These messages do not represent
- * incorrect or unexpected behaviour, just normal execution.
- * LOG_ERROR - fatal errors, that are likely to cause program abort
- * LOG_WARNING - non-fatal errors, that may be resolved later
- * LOG_INFO - state information, etc.
- * LOG_DEBUG - debug statements, execution trace
+/* To achieve C99 printf compatibility in MinGW, gnu_printf should be
+ * used for __attribute__((format( ... ))), with GCC v4.4 or later
+ */
+#if (defined(IS_MINGW) && (((__GNUC__ << 16) + __GNUC_MINOR__) >= 0x00040004))
+#define PRINTF_ATTRIBUTE_FORMAT gnu_printf
+#else
+#define PRINTF_ATTRIBUTE_FORMAT printf
+#endif
+
+/* logging priorities
+ * LOG_LVL_SILENT - turn off all output. In lieu of try + catch this can be used as a
+ * feeble ersatz.
+ * LOG_LVL_USER - user messages. Could be anything from information
+ * to progress messags. These messages do not represent
+ * incorrect or unexpected behaviour, just normal execution.
+ * LOG_LVL_ERROR - fatal errors, that are likely to cause program abort
+ * LOG_LVL_WARNING - non-fatal errors, that may be resolved later
+ * LOG_LVL_INFO - state information, etc.
+ * LOG_LVL_DEBUG - debug statements, execution trace
*/
enum log_levels
{
- LOG_USER = -1,
- LOG_ERROR = 0,
- LOG_WARNING = 1,
- LOG_INFO = 2,
- LOG_DEBUG = 3
+ LOG_LVL_SILENT = -3,
+ LOG_LVL_OUTPUT = -2,
+ LOG_LVL_USER = -1,
+ LOG_LVL_ERROR = 0,
+ LOG_LVL_WARNING = 1,
+ LOG_LVL_INFO = 2,
+ LOG_LVL_DEBUG = 3
};
-extern void log_printf(enum log_levels level, const char *file, int line,
- const char *function, const char *format, ...)
- __attribute__ ((format (printf, 5, 6)));
-extern int log_register_commands(struct command_context_s *cmd_ctx);
-extern int log_init(struct command_context_s *cmd_ctx);
-extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
+void log_printf(enum log_levels level, const char *file, int line,
+ const char *function, const char *format, ...)
+__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6)));
+void log_printf_lf(enum log_levels level, const char *file, int line,
+ const char *function, const char *format, ...)
+__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6)));
+
+int log_init(struct command_context_s *cmd_ctx);
+int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
+
+int log_register_commands(struct command_context_s *cmd_ctx);
+
+void keep_alive(void);
+void kept_alive(void);
+
+void alive_sleep(int ms);
+void busy_sleep(int ms);
+
+/* log entries can be paused and replayed roughly according to the try/catch/rethrow
+ * concepts in C++
+ */
+void log_try(void);
+void log_catch(void);
+void log_rethrow(void);
-typedef void (*logCallback)(void *priv, const char *file, int line,
- const char *function, const char *format, va_list args);
-extern void log_setCallback(logCallback callback, void *priv);
+typedef void (*log_callback_fn)(void *priv, const char *file, unsigned line,
+ const char *function, const char *string);
+
+struct log_callback {
+ log_callback_fn fn;
+ void *priv;
+ struct log_callback *next;
+};
+
+int log_add_callback(log_callback_fn fn, void *priv);
+int log_remove_callback(log_callback_fn fn, void *priv);
+
+char *alloc_vprintf(const char *fmt, va_list ap);
+char *alloc_printf(const char *fmt, ...);
extern int debug_level;
/* Avoid fn call and building parameter list if we're not outputting the information.
* Matters on feeble CPUs for DEBUG/INFO statements that are involved frequently */
-#define DEBUG(expr ...) \
- do { if (debug_level >= LOG_DEBUG) \
- log_printf (LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr); \
- } while(0)
+#define LOG_LEVEL_IS(FOO) ((debug_level) >= (FOO))
+
+#define LOG_DEBUG(expr ...) \
+ ((debug_level >= LOG_LVL_DEBUG) ? log_printf_lf (LOG_LVL_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr) , 0 : 0)
-#define INFO(expr ...) \
- do { if (debug_level >= LOG_INFO) \
- log_printf (LOG_INFO, __FILE__, __LINE__, __FUNCTION__, expr); \
- } while(0)
+#define LOG_INFO(expr ...) \
+ log_printf_lf (LOG_LVL_INFO, __FILE__, __LINE__, __FUNCTION__, expr)
-#define WARNING(expr ...) \
- do { \
- log_printf (LOG_WARNING, __FILE__, __LINE__, __FUNCTION__, expr); \
- } while(0)
+#define LOG_INFO_N(expr ...) \
+ log_printf (LOG_LVL_INFO, __FILE__, __LINE__, __FUNCTION__, expr)
-#define ERROR(expr ...) \
- do { \
- log_printf (LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, expr); \
- } while(0)
+#define LOG_WARNING(expr ...) \
+ log_printf_lf (LOG_LVL_WARNING, __FILE__, __LINE__, __FUNCTION__, expr)
-#define USER(expr ...) \
- do { \
- log_printf (LOG_USER, __FILE__, __LINE__, __FUNCTION__, expr); \
- } while(0)
+#define LOG_ERROR(expr ...) \
+ log_printf_lf (LOG_LVL_ERROR, __FILE__, __LINE__, __FUNCTION__, expr)
+#define LOG_USER(expr ...) \
+ log_printf_lf (LOG_LVL_USER, __FILE__, __LINE__, __FUNCTION__, expr)
+
+#define LOG_USER_N(expr ...) \
+ log_printf (LOG_LVL_USER, __FILE__, __LINE__, __FUNCTION__, expr)
+
+#define LOG_OUTPUT(expr ...) \
+ log_printf (LOG_LVL_OUTPUT, __FILE__, __LINE__, __FUNCTION__, expr)
/* general failures
* error codes < 100
*/
#define ERROR_OK (0)
-#define ERROR_INVALID_ARGUMENTS (-1)
+#define ERROR_INVALID_ARGUMENTS ERROR_COMMAND_SYNTAX_ERROR
#define ERROR_NO_CONFIG_FILE (-2)
#define ERROR_BUF_TOO_SMALL (-3)
-
-char *allocPrintf(const char *fmt, va_list ap);
+/* see "Error:" log entry for meaningful message to the user. The caller should
+ * make no assumptions about what went wrong and try to handle the problem.
+ */
+#define ERROR_FAIL (-4)
#endif /* LOG_H */
Code Review / openocd.git / blobdiff