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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2013-03-21 18:56:11 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2013-03-21 18:56:11 +0000 |
| commit | 37a159edcbc1e2088c23592639ba6b12576bce61 (patch) | |
| tree | 6b72915aef65a1d56a78a03041264d77d59e98f2 | |
| parent | e3d808c4aa7387a12aee0d30a64ea85550b82eb8 (diff) | |
Add type information in error message when a constructor is not fully
applied in pattern-matching. This provides with a side way for the
user to understand what is happening in the situation
match ... with ... S ... => ... end" where S is supposed to be a
variable but S being taken by Coq as successor in nat.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16335 85f007b7-540e-0410-9357-904b9bb8a0f7
| -rw-r--r-- | toplevel/himsg.ml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/toplevel/himsg.ml b/toplevel/himsg.ml index 2759c677b..58bfe0832 100644 --- a/toplevel/himsg.ml +++ b/toplevel/himsg.ml @@ -976,7 +976,8 @@ let decline_string n s = let explain_wrong_numarg_constructor env cstr n = str "The constructor " ++ pr_constructor env cstr ++ - str " expects " ++ str (decline_string n "argument") ++ str "." + str " (in type " ++ pr_inductive env (inductive_of_constructor cstr) ++ + str ") expects " ++ str (decline_string n "argument") ++ str "." let explain_wrong_numarg_inductive env ind n = str "The inductive type " ++ pr_inductive env ind ++ |