Impelement derivative-based regular expressions.

1 files changed, 0 insertions, 22 deletions

diff --git a/regex.h b/regex.h
index 09bfa2d5..eb97955e 100644
--- a/regex.h
+++ b/regex.h
@@ -26,29 +26,7 @@
 
 #include <limits.h>
 
-typedef union nfa_state nfa_state_t;
-
-typedef struct nfa {
-  nfa_state_t *start;
-  nfa_state_t *accept;
-} nfa_t;
-
-typedef enum nfam_result {
-  NFAM_INCOMPLETE, NFAM_FAIL, NFAM_MATCH
-} nfam_result_t;
-
-typedef struct nfa_machine nfa_machine_t;
-
-nfa_t nfa_compile_regex(val regex);
-void nfa_free(nfa_t);
-cnum nfa_run(nfa_t nfa, const wchar_t *str);
-void nfa_machine_reset(nfa_machine_t *);
-void nfa_machine_init(nfa_machine_t *, nfa_t);
-void nfa_machine_cleanup(nfa_machine_t *);
-nfam_result_t nfa_machine_feed(nfa_machine_t *, wchar_t ch);
-cnum nfa_machine_match_span(nfa_machine_t *);
 val regex_compile(val regex_sexp);
 val regexp(val);
-nfa_t *regex_nfa(val);
 val search_regex(val haystack, val needle_regex, val start_num, val from_end);
 val match_regex(val str, val regex, val pos);