Siemens GENERAL INTERFACE FOR NETWORK APPLICATIONS V 4.0 Manuel d'utilisateur télécharger pdf (Page 177)

GINA V4.0 System Administrator Guide – September 2000 165

Configuration language

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7.2.2 Lexical structure

This section describes how the conﬁguration generator combines the contents of the con-

ﬁguration ﬁle into symbols (like the keywords) for syntax analysis. The description is in the

notation used by the UNIX command lex.

letter [a-zA-Z_]

DGS [0-9]+

letter_or_digit [a-zA-Z_0-9]

[ \t\n\v\r\f]+ ;

\/\/.*\n ;

\{ {return(BBOPEN);}

\} {return(BBCLOSE);}

\( {return(SBOPEN);}

\) {return(SBCLOSE);}

\, {return(COMMA);}

\= {return(EQUAL);}

\- {return(MINUS);}

{DGS} {yylval.number=atol(yytext);

return(NUMBER);}

{DGS}\.{DGS}\.{DGS}\.{DGS} {strcpy(yylval.string,yytext);

return(INADDRESS);};

\"[^"\n]* {yytext[yyleng++] = yyinput();

yytext[yyleng] = '\0';

lettercpy(yylval.string,yytext);

return(LETTER);};

{letter}{letter_or_digit}* {return(rwlookup());};

. {return(CONFIG_ERROR);};

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Siemens GENERAL INTERFACE FOR NETWORK APPLICATIONS V 4.0 Manuel d'utilisateur Page 177