Mercurial > urweb
diff src/elab_err.sml @ 2009:799be3911ce3
Monadic bind supports patterns
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Fri, 02 May 2014 17:16:02 -0400 |
parents | 818d4097e2ed |
children |
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--- a/src/elab_err.sml Fri May 02 15:32:10 2014 -0400 +++ b/src/elab_err.sml Fri May 02 17:16:02 2014 -0400 @@ -180,6 +180,7 @@ | 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 @@ (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 =