Yasm Assembler mainline development tree (ffmpeg 依赖)
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/**
* \file libyasm/errwarn.h
* \brief YASM error and warning reporting interface.
*
* \rcs
* $IdPath$
* \endrcs
*
* \license
* Copyright (C) 2001 Peter Johnson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* \endlicense
*/
#ifndef YASM_ERRWARN_H
#define YASM_ERRWARN_H
/** Warning classes (that may be enabled/disabled). */
typedef enum {
YASM_WARN_GENERAL = 0, /**< Non-specific warnings */
YASM_WARN_UNREC_CHAR, /**< Unrecognized characters (while tokenizing) */
YASM_WARN_PREPROC /**< Preprocessor warnings */
} yasm_warn_class;
/** Initialize any internal data structures. */
void yasm_errwarn_initialize(void);
/** Clean up any memory allocated by yasm_errwarn_initialize() or other
* functions.
*/
void yasm_errwarn_cleanup(void);
/** Reporting point of internal errors. These are usually due to sanity
* check failures in the code.
* \warning This function must NOT return to calling code; exit or longjmp
* instead.
* \param file source file (ala __FILE__)
* \param line source line (ala __LINE__)
* \param message internal error message
*/
extern /*@exits@*/ void (*yasm_internal_error_)
(const char *file, unsigned int line, const char *message);
/** Easily-callable version of yasm_internal_error_(). Automatically uses
* __FILE__ and __LINE__ as the file and line.
* \param message internal error message
*/
#define yasm_internal_error(message) \
yasm_internal_error_(__FILE__, __LINE__, message)
/** Reporting point of fatal errors.
* \warning This function must NOT return to calling code; exit or longjmp
* instead.
* \param message fatal error message
* \param ... argument list for message
*/
extern /*@exits@*/ void (*yasm_fatal) (const char *message, ...);
/** Log an error. va_list version of yasm__error().
* \internal
* \param lindex line index
* \param message printf-like-format message
* \param va argument list for message
*/
void yasm__error_va(unsigned long lindex, const char *message, va_list va);
/** Log a warning. va_list version of yasm__warning().
* \internal
* \param wclass warning class
* \param lindex line index
* \param message printf-like-format message
* \param va argument list for message
*/
void yasm__warning_va(yasm_warn_class wclass, unsigned long lindex,
const char *message, va_list va);
/** Log an error. Does not print it out immediately; yasm_errwarn_output_all()
* outputs errors and warnings.
* \internal
* \param lindex line index
* \param message printf-like-format message
* \param ... argument list for message
*/
void yasm__error(unsigned long lindex, const char *message, ...)
/*@printflike@*/;
/** Log a warning. Does not print it out immediately;
* yasm_errwarn_output_all() outputs errors and warnings.
* \internal
* \param wclass warning class
* \param lindex line index
* \param message printf-like-format message
* \param ... argument list for message
*/
void yasm__warning(yasm_warn_class wclass, unsigned long lindex,
const char *message, ...) /*@printflike@*/;
/** Log a parser error. Parser errors can be overwritten by non-parser errors
* on the same line.
* \internal
* \param lindex line index
* \param message parser error message
*/
void yasm__parser_error(unsigned long lindex, const char *message);
/** Enable a class of warnings.
* \param wclass warning class
*/
void yasm_warn_enable(yasm_warn_class wclass);
/** Disable a class of warnings.
* \param wclass warning class
*/
void yasm_warn_disable(yasm_warn_class wclass);
/** Disable all classes of warnings. */
void yasm_warn_disable_all(void);
/** Get total number of errors logged.
* \param warning_as_error if nonzero, warnings are treated as errors.
* \return Number of errors.
*/
unsigned int yasm_get_num_errors(int warning_as_error);
/** Print out an error.
* \param fn filename of source file
* \param line line number
* \param msg error message
*/
typedef void (*yasm_print_error_func)
(const char *fn, unsigned long line, const char *msg);
/** Print out a warning.
* \param fn filename of source file
* \param line line number
* \param msg warning message
*/
typedef void (*yasm_print_warning_func)
(const char *fn, unsigned long line, const char *msg);
/** Outputs all errors and warnings.
* \param lm line manager (to convert line indexes into filename/line pairs)
* \param warning_as_error if nonzero, treat warnings as errors
* \param print_error function called to print out errors
* \param print_warning function called to print out warnings
*/
void yasm_errwarn_output_all
(yasm_linemgr *lm, int warning_as_error, yasm_print_error_func print_error,
yasm_print_warning_func print_warning);
/** Convert a possibly unprintable character into a printable string.
* \internal
* \param ch possibly unprintable character
* \return Printable string representation (static buffer).
*/
char *yasm__conv_unprint(int ch);
/** Hook for library users to map to gettext() if GNU gettext is being used.
* \param msgid message catalog identifier
* \return Translated message.
*/
extern const char * (*yasm_gettext_hook) (const char *msgid);
#endif