diff options
| author |  Adam Chlipala <adam@chlipala.net> | 2014-05-02 17:16:02 -0400 |
|---|---|---|
| committer | Adam Chlipala <adam@chlipala.net> | 2014-05-02 17:16:02 -0400 |
| commit | 77b4d9b9397aefc41ae0c6465a75874c497d945c (patch) | |
| tree | 1249a913f37685611f686a4c5db3475723c93d21 /src/elab_err.sml | |
| parent | 1580340ec252e4e399c2c1d2b403974f49c3a084 (diff) | |
Monadic bind supports patterns
Diffstat (limited to 'src/elab_err.sml')
| -rw-r--r-- | src/elab_err.sml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/elab_err.sml b/src/elab_err.sml index 4754d4ce..33daa118 100644 --- a/src/elab_err.sml +++ b/src/elab_err.sml @@ -180,6 +180,7 @@ datatype exp_error = | Unresolvable of ErrorMsg.span * con | OutOfContext of ErrorMsg.span * (exp * con) option | IllegalRec of string * exp + | IllegalFlex of Source.exp val simplExp = U.Exp.mapB {kind = fn _ => fn k => k, con = fn env => fn c => #1 (ElabOps.reduceCon env (c, ErrorMsg.dummySpan)), @@ -251,6 +252,9 @@ fun expError env err = (ErrorMsg.errorAt (#2 e) "Illegal 'val rec' righthand side (must be a function abstraction)"; eprefaces' [("Variable", PD.string x), ("Expression", p_exp env e)]) + | IllegalFlex e => + (ErrorMsg.errorAt (#2 e) "Flex record syntax (\"...\") only allowed in patterns"; + eprefaces' [("Expression", SourcePrint.p_exp e)]) datatype decl_error = |