/* $IdPath$
 * YASM error and warning reporting and related functions header file.
 *
 *  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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 */
#ifndef YASM_ERRWARN_H
#define YASM_ERRWARN_H

/* Warning classes (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);

/* Cleans up any memory allocated by 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.
 * This function must NOT return to calling code.  Either exit or longjmp.
 */
extern /*@exits@*/ void (*yasm_internal_error_)
    (const char *file, unsigned int line, const char *message);
#define yasm_internal_error(msg) \
    yasm_internal_error_(__FILE__, __LINE__, msg)

/* Reporting point of fatal errors.
 * This function must NOT return to calling code.  Either exit or longjmp.
 */
extern /*@exits@*/ void (*yasm_fatal) (const char *message);

#ifdef YASM_INTERNAL

/* va_list versions of the below two functions */
void yasm__error_va(unsigned long lindex, const char *, va_list va);
void yasm__warning_va(yasm_warn_class, unsigned long lindex, const char *,
		      va_list va);

void yasm__error(unsigned long lindex, const char *, ...) /*@printflike@*/;
void yasm__warning(yasm_warn_class, unsigned long lindex, const char *, ...)
    /*@printflike@*/;

/* Logs a parser error.  These can be overwritten by non-parser errors on
 * the same line.
 */
void yasm__parser_error(unsigned long lindex, const char *);

#endif

/* Enables/disables a class of warnings. */
void yasm_warn_enable(yasm_warn_class);
void yasm_warn_disable(yasm_warn_class);
void yasm_warn_disable_all(void);

/* Returns total number of errors logged to this point.
 * If warning_as_error is nonzero, warnings are treated as errors.
 */
unsigned int yasm_get_num_errors(int warning_as_error);

/* Outputs all errors/warnings by calling print_error and print_warning. */
void yasm_errwarn_output_all
    (yasm_linemgr *lm, int warning_as_error,
     void (*print_error) (const char *fn, unsigned long line, const char *msg),
     void (*print_warning) (const char *fn, unsigned long line,
			    const char *msg));

#ifdef YASM_INTERNAL
/* Convert a possibly unprintable character into a printable string. */
char *yasm__conv_unprint(int ch);
#endif

/* Map to gettext() if gettext is being used. */
extern const char * (*yasm_gettext_hook) (const char *msgid);

#endif