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create/src/Gui/SelectionFilter.l
2011-10-10 13:44:52 +00:00

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%{
/* Lexer for the FreeCAD selection filter language */
/* (c) 2010 Juergen Riegel LGPL */
/* flex -o lex.SelectionFilter.c SelectionFilter.l */
#include <string>
#include "stdio.h"
/* This disables inclusion of unistd.h, which is not available under Visual C++
* on Win32. The C++ scanner uses STL streams instead. */
#define YY_NO_UNISTD_H
%}
/*** Flex Declarations and Options ***/
/* change the name of the scanner class. results in "SelectionFilterFlexLexer" */
%option prefix="SelectionFilter"
/* the manual says "somewhat more optimized" */
%option batch
/* no support for include files is planned */
%option noyywrap nounput
%% /*** Filter language Part ***/
[ \t] ;
[\n]+ ;
"SUBELEMENT" return TSUB;
"SELECT" return TSELECT;
"COUNT" return TCOUNT;
".." return TSLICE;
"::" return TNAMESPACE;
[a-zA-Z_][a-zA-Z0-9_]* {
yylval.string = new std::string(yytext);
return TIDENTIFIER;
}
[0-9]+ {
long n = strtol (yytext, NULL, 10);
yylval.number = n;
return TNUMBER;
}