зеркало из https://github.com/mozilla/pjs.git
162 строки
5.8 KiB
C
162 строки
5.8 KiB
C
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "MPL"); you may not use this file
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* except in compliance with the MPL. You may obtain a copy of
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* the MPL at http://www.mozilla.org/MPL/
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*
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* Software distributed under the MPL is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the MPL for the specific language governing
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* rights and limitations under the MPL.
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*
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* The Original Code is lineterm.
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*
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* The Initial Developer of the Original Code is Ramalingam Saravanan.
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* Portions created by Ramalingam Saravanan <svn@xmlterm.org> are
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* Copyright (C) 1999 Ramalingam Saravanan. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License (the "GPL"), in which case
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* the provisions of the GPL are applicable instead of
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* those above. If you wish to allow use of your version of this
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* file only under the terms of the GPL and not to allow
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* others to use your version of this file under the MPL, indicate
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* your decision by deleting the provisions above and replace them
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* with the notice and other provisions required by the GPL.
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* If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/* tracelog.h: Tracing/logging module header
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* CPP options:
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* DEBUG_LTERM: to enable debugging output
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* _UNISTRING_H: for unicode messages compatible with "unistring.h"
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*/
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#ifndef _TRACELOG_H
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#define _TRACELOG_H 1
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#include <stdio.h>
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#include <string.h>
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/* Trace/log macros (to be used after call to tlog_init to initialize):
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* TLOG_ERROR: error message macro, e.g.,
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* TLOG_ERROR(format, val1, val2);
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* TOG_WARNING: warning message macro, e.g.,
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* TLOG_WARNING(format, val1, val2);
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* TLOG_PRINT: message logging macro, e.g., (no terminating semicolon)
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* TLOG_PRINT(10,(format, val1, val2));
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* (if UNISTRING module is being used)
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* TLOG_UNICHAR: Unicode string logging macro, e.g., (no terminating semicolon)
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* TLOG_UNICHAR(10,(label,str,count));
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*/
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/* Max. number of modules recognized by TRACELOG */
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# define TLOG_MAXMODULES 50
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Initializes all TRACELOG operations;
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* needs to be called before any other trace/log calls.
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*
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* FILESTREAM is the file stream to be used to print messages.
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*
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* Normally, only error messages are sent to FILESTREAM.
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* If FILESTREAM is null, all output, including error output, is suppressed.
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*/
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void tlog_init(FILE* fileStream);
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/** Set diagnostic message display level for module no. IMODULE.
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* (0 <= IMODULE < TLOG_MAXMODULES)
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*
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* MESSAGELEVEL (>=0) specifies the diagnostic message display level:
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* only diagnostic messages with level values >= MESSAGELEVEL are printed
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* (For example, level 10, 11, ...: outermost level;
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* level 20, 21, ...: next inner level;
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* ...
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* level 50, 51, ...: innermost level)
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*
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* The message SUBLEVEL threshold is defined as MESSAGELEVEL%10
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* (ranging from 0 to 9).
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* Only those diagnostic messages with sublevel values >= SUBLEVEL threshold
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* are displayed
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* Usually, the SUBLEVEL threshold values are interpreted as
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* 0 => print single message per selected procedure.
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* 1...9 => print only messages upto selected sublevel.
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*
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* Setting MESSAGELEVEL to zero and FUNCTIONLIST to null for all modules
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* disables debugging and printing of warning messages.
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* (This is the initial configuration following the call to lterm_init.)
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* Setting MESSAGELEVEL to 1 for atleast one module enables debugging and
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* causes warning messages for all modules to be printed.
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*
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* FUNCTIONLIST is a colon-separated string of function names, e.g.,
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* "func_a:func_b".
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* Trace/log messages for functions in this list are always output
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* if debugging is enabled provided the sublevel values exceed the threshold,
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* regardless of full message level values.
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* If FUNCTIONLIST contains a single method name without a class name, or a
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* class name without a method name, then the missing portion is assumed
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* to be wild-carded.
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*
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* Returns 0 on success, -1 otherwise (i.e., for invalid module numbers)
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*/
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int tlog_set_level(int imodule, int messageLevel, const char *functionList);
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int tlog_test(int imodule, char *procname, int level);
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void tlog_message(const char *format, ...);
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void tlog_warning(const char *format, ...);
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/* TRACELOG global variables */
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typedef struct {
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FILE *errorStream; /* file stream for logging */
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int debugOn;
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int messageLevel[TLOG_MAXMODULES];
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char *functionList[TLOG_MAXMODULES]; /* list of functions to be debugged */
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} TlogGlobal;
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extern TlogGlobal tlogGlobal;
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#ifdef __cplusplus
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}
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#endif
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#if defined(USE_NSPR_BASE) && !defined(DEBUG_LTERM)
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#include "prlog.h"
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#define TLOG_MESSAGE PR_LogPrint
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#else
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#define TLOG_MESSAGE tlog_message
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#endif
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#define TLOG_ERROR TLOG_MESSAGE
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#define TLOG_WARNING if (tlogGlobal.debugOn) TLOG_MESSAGE
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#define TLOG_PRINT(imodule,procname,level,args) \
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do { \
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if (tlogGlobal.debugOn && tlog_test(imodule,":" #procname ":",level)) { \
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TLOG_MESSAGE args; \
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} \
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} while(0)
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#ifdef _UNISTRING_H
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void tlog_unichar(const UNICHAR *buf, int count);
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#define TLOG_UNICHAR(imodule,procname,level,args) \
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do { \
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if (tlogGlobal.debugOn && tlog_test(imodule,":" #procname ":",level)) { \
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tlog_unichar args; \
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} \
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} while(0)
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#endif
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#endif /* _TRACELOG_H */
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