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%{
/*
This is part of SLOCCount, a toolsuite that counts source lines of code (SLOC).
Copyright (C) 2001-2004 David A. Wheeler.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
To contact David A. Wheeler, see his website at:
http://www.dwheeler.com.
*/
#include "driver.h"
#define YY_NO_UNPUT
/* 1 if we saw a non-comment, non-whitespace char on this line */
int saw_char = 0;
%}
%option noyywrap
SPACE [ \t\n\r\f]
%x comment
%x bcomment
%x string
%%
line_number = 1;
saw_char = 0;
BEGIN(INITIAL);
[ \t\r\f] /* Do nothing */
"(*" {BEGIN(comment);}
\n {if (saw_char) {sloc++; saw_char=0;}; line_number++;}
"{" {BEGIN(bcomment);}
"'" {saw_char = 1; BEGIN(string);}
[^ \t\r\f(\n{'][^(\n{']* {saw_char = 1;}
. {saw_char = 1;}
<comment>[^*\n]+ /* Do nothing */
<comment>[^*\n]*\n {if (saw_char) {sloc++; saw_char=0;}; line_number++;}
<comment>"*"+[^*)\n]* /* Do nothing */
<comment>"*"+[^*)\n]*\n {if (saw_char) {sloc++; saw_char=0;}; line_number++;}
<comment>"*"+")" {BEGIN(INITIAL);}
<bcomment>[^}\n]+ /* Do nothing */
<bcomment>[^}\n]*\n {if (saw_char) {sloc++; saw_char=0;}; line_number++;}
<bcomment>"}" {BEGIN(INITIAL);}
<string>[^'\n]+ {saw_char = 1;}
<string>\n {
fprintf(stderr, "Warning: newline in string - file %s, line %ld\n",
filename, line_number);
if (saw_char) {sloc++; saw_char=0;};
BEGIN(INITIAL); /* Switch back; this at least limits damage */
line_number++;
}
<string>'' {saw_char = 1;}
<string>' {saw_char = 1; BEGIN(INITIAL);}
%%
#include "driver.c"
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