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authorGravatar Adam Chlipala <adam@chlipala.net>2011-08-02 13:48:26 -0400
committerGravatar Adam Chlipala <adam@chlipala.net>2011-08-02 13:48:26 -0400
commit949fe8f9ce90257cd354c2d19d611cbcc3b569ef (patch)
tree7f1afca8ccf70a28b34907d8f7b0744c6c763081
parentd727966ce805067e227fa96262005056fdfac448 (diff)
A few error message improvements
-rw-r--r--src/elab_err.sml4
-rw-r--r--src/marshalcheck.sml4
-rw-r--r--tests/disallowed.ur3
-rw-r--r--tests/undet.ur1
4 files changed, 8 insertions, 4 deletions
diff --git a/src/elab_err.sml b/src/elab_err.sml
index a03bc096..1194f817 100644
--- a/src/elab_err.sml
+++ b/src/elab_err.sml
@@ -267,10 +267,10 @@ val p_decl = P.p_decl
fun declError env err =
case err of
KunifsRemain ds =>
- (ErrorMsg.errorAt (lspan ds) "Some kind unification variables are undetermined in declaration";
+ (ErrorMsg.errorAt (lspan ds) "Some kind unification variables are undetermined in declaration\n(look for them as \"<UNIF:...>\")";
eprefaces' [("Decl", p_list_sep PD.newline (p_decl env) ds)])
| CunifsRemain ds =>
- (ErrorMsg.errorAt (lspan ds) "Some constructor unification variables are undetermined in declaration";
+ (ErrorMsg.errorAt (lspan ds) "Some constructor unification variables are undetermined in declaration\n(look for them as \"<UNIF:...>\")";
eprefaces' [("Decl", p_list_sep PD.newline (p_decl env) ds)])
| Nonpositive d =>
(ErrorMsg.errorAt (#2 d) "Non-strictly-positive datatype declaration (could allow non-termination)";
diff --git a/src/marshalcheck.sml b/src/marshalcheck.sml
index eadbfa49..8d7edd15 100644
--- a/src/marshalcheck.sml
+++ b/src/marshalcheck.sml
@@ -108,7 +108,7 @@ fun check file =
()
else
E.error ("Input to exported function '"
- ^ tag ^ "' involves one or more disallowed types: "
+ ^ tag ^ "' involves one or more types that are disallowed for page handler inputs: "
^ PS.toString s);
(cmap, emap)
end)
@@ -120,7 +120,7 @@ fun check file =
if PS.isEmpty s then
()
else
- E.error ("Cookie '" ^ tag ^ "' includes one or more disallowed types: "
+ E.error ("Cookie '" ^ tag ^ "' includes one or more types that are disallowed for cookies: "
^ PS.toString s);
(cmap, emap)
end
diff --git a/tests/disallowed.ur b/tests/disallowed.ur
new file mode 100644
index 00000000..a673a2aa
--- /dev/null
+++ b/tests/disallowed.ur
@@ -0,0 +1,3 @@
+cookie bad : url
+
+fun worse (x : url) : transaction page = return <xml/>
diff --git a/tests/undet.ur b/tests/undet.ur
new file mode 100644
index 00000000..7dba0ee6
--- /dev/null
+++ b/tests/undet.ur
@@ -0,0 +1 @@
+fun main () : transaction _ = return <xml/>