ack/lang/cem/lint/lpass2/report.c

162 lines
2.8 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Id$ */
#if __STDC__
#include <stdarg.h>
extern panic(char *, ...);
#else
#include <varargs.h>
#endif
#include <system.h>
#include "private.h"
#include "l_class.h"
#include "class.h"
#include "inpdef.h"
#define MSGOUT STDERR /* file descr. on which to write the messages */
#define ERROUT STDERR /* file descr. on which to write the panics */
extern int LineNr;
PRIVATE rep_loc();
#if __STDC__
/* VARARGS */
report(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
{
#else
/* VARARGS */
report(va_alist)
va_dcl
{
va_list ap;
va_start(ap);
{
char *fmt = va_arg(ap, char*);
#endif
register char *f = fmt;
register char fc;
/* First see if the first arg is an inpdef with
a global file name not ending in .c; if so,
skip this message.
*/
if (f[0] == '%' && f[1] == 'L') {
/* it is an inpdef */
register struct inpdef *id =
va_arg(ap, struct inpdef *);
register char *fn = id->id_file;
f += 2;
if ( /* the file name global */
fn[0] == '/'
&& /* it is not a .c file */
strcmp(&fn[strlen(fn)-2], ".c") != 0
) {
/* we skip this message */
return;
}
/* otherwise, we have used up the argument,
so print it here
*/
fprint(MSGOUT, "\"%s\", line %d",
fn, id->id_line);
}
while ((fc = *f++)) {
if (fc == '%') {
switch (*f++) {
register struct inpdef *id;
register char *s;
register int i;
case 'L': /* a location item */
id = va_arg(ap, struct inpdef *);
rep_loc(id);
break;
case 's': /* a string item */
s = va_arg(ap, char *);
fprint(MSGOUT, "%s", s);
break;
case 'd': /* an int item */
i = va_arg(ap, int);
fprint(MSGOUT, "%d", i);
break;
default:
panic("internal error: bad format %s",
fmt);
break;
}
}
else {
fprint(MSGOUT, "%c", fc);
}
}
fprint(MSGOUT, "\n");
}
va_end(ap);
}
PRIVATE
rep_loc(id)
struct inpdef *id;
{
/* a definition can come from a number of places */
if (!id) {
fprint(MSGOUT, "format");
}
else
if (is_class(id, CL_LIB)) {
fprint(MSGOUT, "library");
}
else {
fprint(MSGOUT, "\"%s\", line %d",
id->id_file, id->id_line);
}
}
#if __STDC__
/* VARARGS */
panic(char *fmt, ...) /* fmt, args */
{
va_list ap;
va_start(ap, fmt);
{
fprint(ERROUT, "PANIC, lint, pass2: line %d: ", LineNr);
doprnt(ERROUT, fmt, ap);
fprint(ERROUT, "\n");
}
va_end(ap);
exit(1);
}
#else
/* VARARGS */
panic(va_alist) /* fmt, args */
va_dcl
{
va_list ap;
va_start(ap);
{
char *fmt = va_arg(ap, char *);
fprint(ERROUT, "PANIC, lint, pass2: line %d: ", LineNr);
doprnt(ERROUT, fmt, ap);
fprint(ERROUT, "\n");
}
va_end(ap);
exit(1);
}
#endif