Module Name: src
Committed By: christos
Date: Thu Nov 12 17:34:01 UTC 2015
Modified Files:
src/usr.bin/xlint/lint1: scan.l
Log Message:
Recognize binary constants
To generate a diff of this commit:
cvs rdiff -u -r1.61 -r1.62 src/usr.bin/xlint/lint1/scan.l
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/xlint/lint1/scan.l
diff -u src/usr.bin/xlint/lint1/scan.l:1.61 src/usr.bin/xlint/lint1/scan.l:1.62
--- src/usr.bin/xlint/lint1/scan.l:1.61 Fri Aug 28 05:42:07 2015
+++ src/usr.bin/xlint/lint1/scan.l Thu Nov 12 12:34:01 2015
@@ -1,5 +1,5 @@
%{
-/* $NetBSD: scan.l,v 1.61 2015/08/28 09:42:07 joerg Exp $ */
+/* $NetBSD: scan.l,v 1.62 2015/11/12 17:34:01 christos Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@@ -35,7 +35,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: scan.l,v 1.61 2015/08/28 09:42:07 joerg Exp $");
+__RCSID("$NetBSD: scan.l,v 1.62 2015/11/12 17:34:01 christos Exp $");
#endif
#include <stdlib.h>
@@ -86,9 +86,11 @@ static int wcstrg(void);
%}
+
L [_A-Za-z]
D [0-9]
NZD [1-9]
+BD [0-1]
OD [0-7]
HD [0-9A-Fa-f]
EX ([eE][+-]?[0-9]+)
@@ -100,6 +102,7 @@ TL ([fFlL]?[i]?)
%%
{L}({L}|{D})* return (name());
+0[bB]{BD}+[lLuU]* return (icon(2));
0{OD}*[lLuU]* return (icon(8));
{NZD}{D}*[lLuU]* return (icon(10));
0[xX]{HD}+[lLuU]* return (icon(16));
@@ -532,8 +535,8 @@ icon(int base)
cp = yytext;
len = yyleng;
- /* skip 0x */
- if (base == 16) {
+ /* skip 0[xX] or 0[bB] */
+ if (base == 16 || base == 2) {
cp += 2;
len -= 2;
}
