Make errors more like dyalog:

* Use the same error numbers
* Rename ⎕THROW to ⎕SIGNAL
* Implement ⎕EN to inspect the last error code
* Implement ⎕EM to get a message from an error code

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index b629f90..3174cd4 100644
--- a/eval.c
+++ b/eval.c
@@ -93,7 +93,7 @@ retry:
 				maxlevel = level;
 		}
 		if(maxlevel == 0)
-			throwerror(L"No reduce rule", EParse);
+			throwerror(L"No reduce rule", ESyntax);
 		else{
 			Datum *new = fn(stmt->toks[offset], stmt->toks[offset+1]);
 			traceprint("handler fn done\n");