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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2005-04-29 18:31:15 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2005-04-29 18:31:15 +0000 |
| commit | 11ef6b79e5d5b3dd0c46829040f417bd364b9a2d (patch) | |
| tree | 9543d6ed87260343e67e789df7f4a75e58768f30 /proofs | |
| parent | 3c87bc951eed7bf2b6362af329b1e3a939ac26fe (diff) | |
Protection against saving a proof with still non-instantiated evars (cf bug #901)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@6974 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'proofs')
| -rw-r--r-- | proofs/refiner.ml | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/proofs/refiner.ml b/proofs/refiner.ml index cd592296d..804d009b1 100644 --- a/proofs/refiner.ml +++ b/proofs/refiner.ml @@ -772,9 +772,12 @@ let extract_pftreestate pts = (str"Cannot extract from a proof-tree in which we have descended;" ++ spc () ++ str"Please ascend to the root"); let pfterm,subgoals = extract_open_pftreestate pts in - if subgoals <> [] then - errorlabstrm "extract_proof" - (str "Attempt to save an incomplete proof"); + let exl = Evd.non_instantiated pts.tpfsigma in + if subgoals <> [] or exl <> [] then + (if subgoals <> [] then + str "Attempt to save an incomplete proof" + else + str "Attempt to save a proof with existential variables still non-instantiated"); let env = Global.env_of_context pts.tpf.goal.evar_hyps in strong whd_betaiotaevar env pts.tpfsigma pfterm (*** |