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freebsd/usr.bin/fib/lex.l
Paul Richards 463e33c94b Clean up the parser, allow fields to be specified inline and
generally make the forms language much less verbose.

Add height option for fields and calculate sensible defaults.
1995-02-01 03:22:17 +00:00

94 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;
%}
%%
colortable { return COLORTABLE; }
colourtable { return COLORTABLE; }
Colors { return COLOR; }
Colours { return COLOR; }
black { return BLACK; }
red { return RED; }
green { return GREEN; }
yellow { return YELLOW; }
blue { return BLUE; }
magenta { return MAGENTA; }
cyan { return CYAN; }
white { return WHITE; }
pair { return PAIR; }
Form { return FORM; }
at { return AT; }
as { return AS; }
height { return HEIGHT; }
= { return EQUALS; }
width { return WIDTH; }
start { return STARTFIELD; }
text { return TEXT; }
attributes { return ATTR; }
highlight { return SELATTR; }
label { return LABEL; }
default { return DEFAULT; }
limit { return LIMIT; }
selected { return SELECTED; }
options { return OPTIONS; }
action { return ACTION; }
function { return FUNC; }
up { return UP; }
down { return DOWN; }
left { return LEFT; }
right { return RIGHT; }
next { return NEXT; }
, { return COMMA; }
\{ { 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) */; }