add error handling appartus

2018-05-02 21:24:43 -06:00
parent b23f17678c
commit 0dec988337
9 changed files with 319 additions and 139 deletions
--- a/src/prolog/toplevel.rs
+++ b/src/prolog/toplevel.rs
@@ -568,7 +568,7 @@ impl<R: Read> TopLevelWorker<R> {
        TopLevelWorker { parser: Parser::new(inner, atom_tbl) }
    }

-    pub fn parse_batch(&mut self, op_dir: &mut OpDir) -> Result<Vec<TopLevelPacket>, EvalError>
+    pub fn parse_batch(&mut self, op_dir: &mut OpDir) -> Result<Vec<TopLevelPacket>, SessionError>
    {
        let mut preds = vec![];
        let mut mod_name = clause_name!("user");