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// re2c $INPUT -o $OUTPUT --input custom
#include <sstream>
bool lex (std::istringstream & is, const std::streampos limit)
{
std::streampos marker;
std::streampos ctxmarker;
# define YYCTYPE char
# define YYPEEK() is.peek ()
# define YYSKIP() is.ignore ()
# define YYBACKUP() marker = is.tellg ()
# define YYBACKUPCTX() ctxmarker = is.tellg ()
# define YYRESTORE() is.seekg (marker)
# define YYRESTORECTX() is.seekg (ctxmarker)
# define YYLESSTHAN(n) limit - is.tellg () < n
# define YYFILL(n) {}
/*!re2c
"int buffer " / "[" [0-9]+ "]" { return true; }
* { return false; }
*/
}
int main ()
{
const char buffer [] = "int buffer [1024]";
std::istringstream is (buffer);
return !lex (is, sizeof (buffer));
}
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