79 lines
2.2 KiB
Plaintext
79 lines
2.2 KiB
Plaintext
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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August 4, 2000 RHG. Changed the definition of ~ident~ to include the underscore symbol. So operator names may now contain underscores, as it happens in the STDB algebra (ROSE) package by Toni.
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March 2002 Ulrich Telle Port to C++, using ~flex~ and ~bison~ instead of ~lex~ and ~yacc~.
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*/
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%{
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#include "SpecParser.tab.hpp"
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#include "NestedText.h"
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#define YY_NO_UNPUT
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%}
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letter [a-zA-Z]
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digit [0-9]
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ident {letter}({letter}|{digit}|_)*
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otherChar [^\(\)\"A-Za-z0-9 \[\]\_\,\;\n ]
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math {otherChar}{1,20}
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comment ^#.*
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space [ \n]+
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autobuffer "!!"
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%option yylineno
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%option nounput
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%%
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{comment} {return ZZCOMMENT;}
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{space} ; /* ignore spaces */
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{autobuffer} {return ZZFORCEBUFFER; }
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fun {return ZZFUN;}
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operator {return ZZOPERATOR;}
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pattern {return ZZPATTERN;}
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op {return ZZOP;}
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infixop {return ZZINFIXOP;}
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alias {return ZZALIAS;}
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list {return ZZLIST;}
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implicit {return ZZIMPLICIT;}
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parameter {return ZZPARAMETER;}
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parameters {return ZZPARAMETERS;}
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type {return ZZTYPE;}
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types {return ZZTYPES;}
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funlist {return ZZFUNLIST;}
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{ident} {yylval.text = strdup(yytext); return ZZIDENTIFIER;}
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{math} {yylval.text = strdup(yytext); return ZZSYMBOL;}
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. {yylval.text = strdup(yytext); return yytext[0];}
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%%
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int yywrap() { return 1; }
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