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%{
source $ds9(root)/library/parser.tab.tcl
%}
%option noyywrap
%option caseless
%option nodefault
%option nointeractive
%option stack
%option yylineno
%option debug
%x FOO
%s BAR
D [0-9]
E [Ee][+-]?{D}+
%%
<FOO>close {return $yy::CLOSE_}
<BAR>in {return $yy::IN_}
fit {return $yy::FIT_}
open {return $yy::OPEN_}
out {return $yy::OUT_}
to {return $yy::TO_}
# INT
[+-]?{D}+ {set yy::yylval $yytext; return $yy::INT_}
# REAL
[+-]?{D}+"."?({E})? |
[+-]?{D}*"."{D}+({E})? {set yy::yylval $yytext; return $yy::REAL_}
# Quoted STRING
\"[^\"]*\" {set yy::yylval [string range $yytext 1 end-1]; return $yy::STRING_}
# Quoted STRING
\'[^\']*\' {set yy::yylval [string range $yytext 1 end-1]; return $yy::STRING_}
# Quoted STRING
\{[^\}]*\} {set yy::yylval [string range $yytext 1 end-1]; return $yy::STRING_}
# STRING
\S+\S+ {set yy::yylval $yytext; return $yy::STRING_}
\s # ignore whitespace
. {set yy::yylval $yytext; return $yy::yylval}
%%
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