fix word resolvable before finished

include/fh_runtime.h

@@ -119,6 +119,8 @@ extern const char *substatenames[FH_SUBSTATE_MAX];
 #define WORDFLAG_CONSTANT  0x10
 /** Something CREATEd. When executed, put the data field address on stack */
 #define WORDFLAG_CREATED  0x20
+/** Word marked as hidden is not findable, e.g. because it is being compiled. */
+#define WORDFLAG_HIDDEN  0x40
 
 /** Word struct as they are stored in the dictionary */
 struct fh_word_s {

src/fh_builtins_meta.c

@@ -24,7 +24,7 @@ static enum fh_error w_colon(struct fh_thread_s *fh, const struct fh_word_s *w)
   new_word->handler = w_user_word;
   strncpy(new_word->name, wordname, namelen);
   new_word->name[namelen] = 0;
-  new_word->flags = WORDFLAG_WORD;
+  new_word->flags = WORDFLAG_WORD | WORDFLAG_HIDDEN;
 
   fh->dict_last = ptr;
 
@@ -50,7 +50,7 @@ static enum fh_error w_colon_noname(struct fh_thread_s *fh, const struct fh_word
   new_word->param = fh->here;
   new_word->handler = w_user_word;
   new_word->name[0] = 0;
-  new_word->flags = WORDFLAG_WORD;
+  new_word->flags = WORDFLAG_WORD; // noname word exists outside the dict, so HIDDEN is not needed
   
   TRY(ds_push(fh, ptr)); // TODO maybe should do this at semicolon?
 
@@ -289,6 +289,12 @@ static enum fh_error w_semicolon(struct fh_thread_s *fh, const struct fh_word_s
 
   // XXX if there was another definition previously and it was used in some other compiled function,
   //  that old implementation will still be called.
+  
+  // unhide the entry, if hidden (colon does this to make the word unresolvable before it's finished)
+  struct fh_word_s *ww = fh_word_at(fh, fh->dict_last);
+  if (ww && (ww->flags & WORDFLAG_WORD)) {
+    ww->flags &= ~WORDFLAG_HIDDEN;
+  }
 
   return FH_OK;
 }

src/fh_runtime.c

@@ -403,7 +403,7 @@ enum fh_error fh_find_word(struct fh_thread_s *fh, const char *name, size_t word
     if (!w) {
       break;
     }
-    if (0 == strncasecmp(name, w->name, wordlen) && w->name[wordlen] == 0) {
+    if (EQ(name, w->name, wordlen) && 0 == (w->flags & WORDFLAG_HIDDEN)) { // skip hidden names
       if (addr_out) {
         *addr_out = addr;
       }