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secondo/Tools/TypeMap/OpSigParser.l
2026-01-23 17:03:45 +08:00

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/*
---- /Tools/TypeMap/OpSigParser.l
----
----
This file is part of SECONDO.
Copyright (C) 2014,
Faculty of Mathematics and Computer Science,
Database Systems for New Applications.
SECONDO 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.
SECONDO 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 SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
*/
%{
#include "OpSigParser.tab.h"
#include <iostream>
#include <string>
using namespace std;
%}
%option prefix="opsig"
letter [a-zA-Z]
uppercase [A-Z]
lowercase [a-z]
digit [0-9]
intindex [1-9]
emptyspace [ \t\n]+
otherChar [^\(\)\{\}\"A-Za-z0-9 \:\_\,\;\.\n ]
identifier {letter}({letter}|{digit})*
math {otherChar}+
%option yylineno
%option noyywrap
%%
attr/[(] { opsiglval.tokenchar = strdup(yytext); return (ZZATTR);
/* because it is also an operator */ }
attrs { opsiglval.tokenchar = strdup(yytext); return (ZZATTRS); }
combine { opsiglval.tokenchar = strdup(yytext); return (ZZCOMBINE); }
concat { opsiglval.tokenchar = strdup(yytext); return (ZZCONCAT); }
distinctAttrs { opsiglval.tokenchar = strdup(yytext); return (ZZDISTATTRS); }
minus { opsiglval.tokenchar = strdup(yytext); return (ZZMINUS); }
createAttr { opsiglval.tokenchar = strdup(yytext); return (ZZCREATEATTR); }
where { return (ZZWHERE); }
in { return (ZZIN); }
^algebra { return (ZZALG); }
"::" { return (ZZPARAM); }
"x" { return (ZZCROSSPRODUCT); }
"->" { return (ZZFOLLOWS); }
";" { return (ZZSEMICOLON); }
{identifier} { opsiglval.tokenchar = strdup(yytext); return (ZZIDENT); }
{math} { opsiglval.tokenchar = strdup(yytext); return (ZZSYMBOL); }
{intindex} { opsiglval.tokenchar = strdup(yytext); return (ZZINTI); }
{emptyspace} {}
. {/*opsiglval.tokenchar = strdup(yytext);*/ return yytext[0];}
%%