(flex.info)Reentrant Example
19.3 Reentrant Example
======================
First, an example of a reentrant scanner:
/* This scanner prints "//" comments. */
%option reentrant stack noyywrap
%x COMMENT
%%
"//" yy_push_state( COMMENT, yyscanner);
.|\n
<COMMENT>\n yy_pop_state( yyscanner );
<COMMENT>[^\n]+ fprintf( yyout, "%s\n", yytext);
%%
int main ( int argc, char * argv[] )
{
yyscan_t scanner;
yylex_init ( &scanner );
yylex ( scanner );
yylex_destroy ( scanner );
return 0;
}
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