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Lemon update 2010-02-15 00:01:04 on branch lemon-update-2010

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- Removed the 80-char line formatting for ErrorMsg(), on dhr's suggestion. (user: icculus)
This commit is contained in:
Randy Heit 2016-03-20 09:53:54 -05:00
parent 2e8d5e763b
commit 031cebb138
1 changed files with 7 additions and 62 deletions
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69
tools/lemon/lemon.c
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@ -1332,81 +1332,26 @@ void Configlist_eat(struct config *cfp)
** Code for printing error message. ** Code for printing error message.
*/ */
/* Find a good place to break "msg" so that its length is at least "min"
** but no more than "max". Make the point as close to max as possible.
*/
static int findbreak(char *msg, int min, int max)
{
int i,spot;
char c;
for(i=spot=min; i<=max; i++){
c = msg[i];
if( c=='\t' ) msg[i] = ' ';
if( c=='\n' ){ msg[i] = ' '; spot = i; break; }
if( c==0 ){ spot = i; break; }
if( c=='-' && i<max-1 ) spot = i+1;
if( c==' ' ) spot = i;
}
return spot;
}
/*
** The error message is split across multiple lines if necessary. The
** splits occur at a space, if there is a space available near the end
** of the line.
*/
#define ERRMSGSIZE 10000 /* Hope this is big enough. No way to error check */
#if _MSC_VER
#define LINEWIDTH 10000 /* Max width of any output line */
#else
#define LINEWIDTH 79 /* Max width of any output line */
#endif
#define PREFIXLIMIT 3000 /* Max width of the prefix on each line */
void ErrorMsg(const char *filename, int lineno, const char *format, ...){ void ErrorMsg(const char *filename, int lineno, const char *format, ...){
char errmsg[ERRMSGSIZE];
char prefix[PREFIXLIMIT+10];
size_t errmsgsize;
size_t prefixsize;
size_t availablewidth;
va_list ap; va_list ap;
int end, restart, base;
va_start(ap, format);
/* Prepare a prefix to be prepended to every output line */
#if _MSC_VER #if _MSC_VER
if( lineno>0 ){ if( lineno>0 ){
sprintf(prefix,"%.*s(%d) : error : ",PREFIXLIMIT-10,filename,lineno); fprintf(stderr,"%s(%d) : error : ",filename,lineno);
}else{ }else{
sprintf(prefix,"%.*s : error : ",PREFIXLIMIT-10,filename); fprintf(stderr,"%s : error : ",filename);
} }
#else #else
if( lineno>0 ){ if( lineno>0 ){
sprintf(prefix,"%.*s:%d: ",PREFIXLIMIT-10,filename,lineno); fprintf(stderr,"%s:%d: ",filename,lineno);
}else{ }else{
sprintf(prefix,"%.*s: ",PREFIXLIMIT-10,filename); fprintf(stderr,"%s: ",filename);
} }
#endif #endif
prefixsize = lemonStrlen(prefix); va_start(ap, format);
availablewidth = LINEWIDTH - prefixsize; vfprintf(stderr,format,ap);
/* Generate the error message */
vsprintf(errmsg,format,ap);
va_end(ap); va_end(ap);
errmsgsize = lemonStrlen(errmsg); fprintf(stderr, "\n");
/* Remove trailing '\n's from the error message. */
while( errmsgsize>0 && errmsg[errmsgsize-1]=='\n' ){
errmsg[--errmsgsize] = 0;
}
/* Print the error message */
base = 0;
while( errmsg[base]!=0 ){
end = restart = findbreak(&errmsg[base],0,availablewidth);
restart += base;
while( errmsg[restart]==' ' ) restart++;
fprintf(stdout,"%s%.*s\n",prefix,end,&errmsg[base]);
base = restart;
}
} }
/**************** From the file "main.c" ************************************/ /**************** From the file "main.c" ************************************/
/* /*