diff options
Diffstat (limited to 'proofs/tactic_debug.ml')
| -rw-r--r-- | proofs/tactic_debug.ml | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/proofs/tactic_debug.ml b/proofs/tactic_debug.ml index 592f3a2eab..9c0b77f581 100644 --- a/proofs/tactic_debug.ml +++ b/proofs/tactic_debug.ml @@ -159,10 +159,12 @@ let db_matching_failure debug = str "Let us try the next one...") (* Prints an evaluation failure message for a rule *) -let db_eval_failure debug = +let db_eval_failure debug s = if debug = DebugOn then - msgnl (str "This rule has failed due to \"Fail\" tactic (level 0)!" ++ - fnl() ++ str "Let us try the next one...") + let s = if s="" then "no message" else "message \""^s^"\"" in + msgnl + (str "This rule has failed due to \"Fail\" tactic (" ++ + str s ++ str ", level 0)!" ++ fnl() ++ str "Let us try the next one...") (* An exception handler *) let explain_logic_error = ref (fun e -> mt()) |