47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#include "../mpc.h"
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
mpc_result_t r;
|
|
|
|
mpc_parser_t* Adjective = mpc_new("adjective");
|
|
mpc_parser_t* Noun = mpc_new("noun");
|
|
mpc_parser_t* Phrase = mpc_new("phrase");
|
|
mpc_parser_t* Doge = mpc_new("doge");
|
|
|
|
mpca_lang(MPCA_LANG_DEFAULT,
|
|
" adjective : \"wow\" | \"many\" | \"so\" | \"such\"; "
|
|
" noun : \"lisp\" | \"language\" | \"c\" | \"book\" | \"build\"; "
|
|
" phrase : <adjective> <noun>; "
|
|
" doge : /^/ <phrase>* /$/; ",
|
|
Adjective, Noun, Phrase, Doge, NULL);
|
|
|
|
if (argc > 1) {
|
|
|
|
if (mpc_parse_contents(argv[1], Doge, &r)) {
|
|
mpc_ast_print(r.output);
|
|
mpc_ast_delete(r.output);
|
|
} else {
|
|
mpc_err_print(r.error);
|
|
mpc_err_delete(r.error);
|
|
}
|
|
|
|
} else {
|
|
|
|
if (mpc_parse_pipe("<stdin>", stdin, Doge, &r)) {
|
|
mpc_ast_print(r.output);
|
|
mpc_ast_delete(r.output);
|
|
} else {
|
|
mpc_err_print(r.error);
|
|
mpc_err_delete(r.error);
|
|
}
|
|
|
|
}
|
|
|
|
mpc_cleanup(4, Adjective, Noun, Phrase, Doge);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|