freebsd-dev/usr.bin/fib/lex.l
Paul Richards 017d5de87b Improve the forms language quite a bit. Most things now
default to sensible values so you don't have to spell out
every little detail for every field. Also, auto-detect
the field type from the syntax.
1995-01-25 03:27:34 +00:00

82 lines
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%{
/*-
* Copyright (c) 1995
* Paul Richards. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Paul Richards.
* 4. The name Paul Richards may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "y.tab.h"
extern int lineno;
extern int charno;
extern int off;
%}
%%
Form { return FORM; }
at { return AT; }
as { return AS; }
height { return HEIGHT; }
= { return EQUALS; }
width { return WIDTH; }
start { return STARTFIELD; }
text { return TEXT; }
Field { return FIELD; }
attributes { return ATTR; }
label { return LABEL; }
default { return DEFAULT; }
limit { return LIMIT; }
selected { return SELECTED; }
options { return OPTIONS; }
action { return ACTION; }
function { return FUNC; }
Link { return LINK; }
up { return UP; }
down { return DOWN; }
left { return LEFT; }
right { return RIGHT; }
next { return NEXT; }
, { return COLON; }
\{ { return LBRACE; }
\} { return RBRACE; }
[0-9]+ { yylval.ival = atoi(yytext); return NUMBER; }
[A-Za-z_][A-Za-z0-9_|&]* { yylval.sval = yytext; return NAME; }
\"[^"]* {
if (yytext[yyleng-1] == '\\') {
yymore();
} else {
input();
yylval.sval = yytext+1;
return STRING;
}
}
\n { lineno++; }
#.* { /* Ignored (comment) */; }
[ \t\f]* { /* Ignored (white space) */; }