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support // comments if -g is given

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This commit is contained in:
lukem 2001-05-24 12:10:39 +00:00
parent 2179a14315
commit 905f1ba6a0
3 changed files with 27 additions and 6 deletions
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5
usr.bin/xlint/lint1/err.c
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@ -1,4 +1,4 @@
/* $NetBSD: err.c,v 1.13 2001/02/24 00:43:51 cgd Exp $ */
/* $NetBSD: err.c,v 1.14 2001/05/24 12:10:39 lukem Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
@ -33,7 +33,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: err.c,v 1.13 2001/02/24 00:43:51 cgd Exp $");
__RCSID("$NetBSD: err.c,v 1.14 2001/05/24 12:10:39 lukem Exp $");
#endif
#define FD_SETSIZE 512
@ -374,6 +374,7 @@ const char *msgs[] = {
"extra bits set to 0 in conversion of '%s' to '%s', op %s", /* 309 */
"symbol renaming can't be used on function arguments", /* 310 */
"symbol renaming can't be used on automatic variables", /* 311 */
"%s C does not support // comments", /* 312 */
};
/*

22
usr.bin/xlint/lint1/scan.l
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@ -1,5 +1,5 @@
%{
/* $NetBSD: scan.l,v 1.17 2001/05/24 11:56:36 lukem Exp $ */
/* $NetBSD: scan.l,v 1.18 2001/05/24 12:10:39 lukem Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@ -35,7 +35,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: scan.l,v 1.17 2001/05/24 11:56:36 lukem Exp $");
__RCSID("$NetBSD: scan.l,v 1.18 2001/05/24 12:10:39 lukem Exp $");
#endif
#include <stdlib.h>
@ -79,6 +79,7 @@ static int wccon __P((void));
static int getescc __P((int));
static void directive __P((void));
static void comment __P((void));
static void slashslashcomment __P((void));
static int string __P((void));
static int wcstrg __P((void));
@ -154,6 +155,7 @@ EX ([eE][+-]?[0-9]+)
\n incline();
\t|" "|\f|\v ;
"/*" comment();
"//" slashslashcomment();
. badchar(yytext[0]);
%%
@ -1139,6 +1141,22 @@ comment()
}
}
/*
* Handle // style comments
*/
static void
slashslashcomment()
{
int c;
if (sflag < 2 && !gflag)
/* // comments only support in C99 */
(void)gnuism(312, tflag ? "traditional" : "ANSI");
while ((c = inpc()) != EOF && c != '\n')
continue;
}
/*
* Clear flags for lint comments LINTED, LONGLONG and CONSTCOND.
* clrwflgs() is called after function definitions and global and

6
usr.bin/xlint/xlint/lint.1
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@ -1,4 +1,4 @@
.\" $NetBSD: lint.1,v 1.17 2001/05/24 11:58:09 lukem Exp $
.\" $NetBSD: lint.1,v 1.18 2001/05/24 12:12:04 lukem Exp $
.\"
.\" Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
.\" Copyright (c) 1994, 1995 Jochen Pohl
@ -241,7 +241,9 @@ Don't print warnings for some extensions of
.Xr gcc 1
to the C language. Currently these are nonconstant initializers in
automatic aggregate initializations, arithmetic on pointer to void,
trailing commas in enum declarations,
trailing commas in enum declarations, C++ -style
.Dq //
comments,
zero sized structures, subscripting of non-lvalue arrays, prototypes
overriding old style function declarations and long long
integer types.