move more of the toplevel from rust into prolog

2019-11-16 00:26:15 -07:00
parent 4ad62e4606
commit ed985c3cfe
16 changed files with 203 additions and 453 deletions
--- a/src/prolog/machine/machine_errors.rs
+++ b/src/prolog/machine/machine_errors.rs
@@ -537,15 +537,11 @@ pub enum SessionError {
    NamelessEntry,
    OpIsInfixAndPostFix(ClauseName),
    ParserError(ParserError),
-    UserPrompt,
 }

 pub enum EvalSession {
    EntrySuccess,
    Error(SessionError),
-    InitialQuerySuccess(AllocVarDict),
-    QueryFailure,
-    SubsequentQuerySuccess,
 }

 impl From<SessionError> for EvalSession {