mirror of git://projects.qi-hardware.com/fped.git
84 lines
1.3 KiB
C
84 lines
1.3 KiB
C
/*
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* error.c - Error reporting
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*
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* Written 2009, 2010 by Werner Almesberger
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* Copyright 2009, 2010 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "util.h"
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#include "error.h"
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extern char *yytext;
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int lineno = 1;
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void (*reporter)(const char *s) = report_to_stderr;
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void yywarn(const char *s)
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{
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/* we use yywarn only when starting */
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fprintf(stderr, "%d: warning: %s near \"%s\"\n", lineno, s, yytext);
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}
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void yyerrorf(const char *fmt, ...)
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{
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va_list ap;
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char *buf;
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int n;
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va_start(ap, fmt);
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n = vsnprintf(NULL, 0, fmt, ap);
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va_end(ap);
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buf = alloc_size(n+1);
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va_start(ap, fmt);
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vsnprintf(buf, n+1, fmt, ap);
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va_end(ap);
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fail("%s", buf);
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free(buf);
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}
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void yyerror(const char *s)
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{
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yyerrorf("%s", s);
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}
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void report_parse_error(const char *s)
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{
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fprintf(stderr, "%d: %s near \"%s\"\n", lineno, s, yytext);
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exit(1);
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}
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void report_to_stderr(const char *s)
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{
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fprintf(stderr, "%s\n", s);
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exit(1);
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}
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void fail(const char *fmt, ...)
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{
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va_list ap;
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char *s;
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va_start(ap, fmt);
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s = stralloc_vprintf(fmt, ap);
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va_end(ap);
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reporter(s);
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free(s);
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}
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