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[332fb0]: / test.l Maximize Restore History
36 lines (31 with data), 624 Bytes
%option never-interactive case-insensitive warn nodefault nounput
%x incl
%{
#include <errno.h>
%}
%%
#[^\n]* ;
\"[^"\n]+[\"\n] ECHO;
[ \t\r]+ ;
\n ;
[0-9]+ ECHO;
INCLUDE BEGIN(incl);
. return yytext[0];
<incl>[ \t]* /* consume whitespace */
<incl>[^ \t\n]+ {
yyin = fopen(yytext, "r");
if (!yyin)
{
fprintf(stderr, "Unable to open %s: %s\n", yytext, strerror(errno));
exit(1);
}
yypush_buffer_state(yy_create_buffer(yyin, YY_BUF_SIZE));
BEGIN(INITIAL);
}
<incl>\n return yytext[0];
<<EOF>> {
yypop_buffer_state();
if (!YY_CURRENT_BUFFER)
yyterminate();
}
%%