73 lines
2.6 KiB
Plaintext
73 lines
2.6 KiB
Plaintext
%{
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/***************************************************************************
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* Copyright (c) 2010 Jürgen Riegel <juergen.riegel@web.de> *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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/* Lexer for the FreeCAD selection filter language */
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/* flex -o lex.SelectionFilter.c SelectionFilter.l */
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#include <string>
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#include "stdio.h"
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/* This disables inclusion of unistd.h, which is not available under Visual C++
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* on Win32. The C++ scanner uses STL streams instead. */
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#define YY_NO_UNISTD_H
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%}
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/*** Flex Declarations and Options ***/
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/* change the name of the scanner class. results in "SelectionFilterFlexLexer" */
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%option prefix="SelectionFilter"
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/* the manual says "somewhat more optimized" */
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%option batch
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/* no support for include files is planned */
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%option noyywrap nounput
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%% /*** Filter language Part ***/
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[ \t] ;
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[\n]+ ;
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"SUBELEMENT" return TSUB;
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"SELECT" return TSELECT;
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"COUNT" return TCOUNT;
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".." return TSLICE;
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"::" return TNAMESPACE;
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[a-zA-Z_][a-zA-Z0-9_]* {
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yylval.string = StringFactory::New(yytext);
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return TIDENTIFIER;
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}
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[0-9]+ {
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long n = strtol (yytext, NULL, 10);
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yylval.number = n;
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return TNUMBER;
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}
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