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Diffstat (limited to 'plugins/decl_mode/decl_proof_instr.ml')
-rw-r--r--plugins/decl_mode/decl_proof_instr.ml9
1 files changed, 6 insertions, 3 deletions
diff --git a/plugins/decl_mode/decl_proof_instr.ml b/plugins/decl_mode/decl_proof_instr.ml
index 72caeaed..ab161b35 100644
--- a/plugins/decl_mode/decl_proof_instr.ml
+++ b/plugins/decl_mode/decl_proof_instr.ml
@@ -381,7 +381,7 @@ let find_subsubgoal c ctyp skip submetas gls =
se.se_meta submetas se.se_meta_list}
else
dfs (pred n)
- with _ ->
+ with e when Errors.noncritical e ->
begin
enstack_subsubgoals env se stack gls;
dfs n
@@ -519,7 +519,10 @@ let decompose_eq id gls =
let instr_rew _thus rew_side cut gls0 =
let last_id =
- try get_last (pf_env gls0) with _ -> error "No previous equality." in
+ try get_last (pf_env gls0)
+ with e when Errors.noncritical e ->
+ error "No previous equality."
+ in
let typ,lhs,rhs = decompose_eq last_id gls0 in
let items_tac gls =
match cut.cut_by with
@@ -849,7 +852,7 @@ let build_per_info etype casee gls =
let ind =
try
destInd hd
- with _ ->
+ with e when Errors.noncritical e ->
error "Case analysis must be done on an inductive object." in
let mind,oind = Global.lookup_inductive ind in
let nparams,index =