66 lines
1.6 KiB
Text
66 lines
1.6 KiB
Text
meta def get_file (fn : name) : vm format :=
|
|
do {
|
|
d ← vm.get_decl fn,
|
|
some n ← return (vm_decl.olean d) | failure,
|
|
return (to_fmt n)
|
|
}
|
|
<|>
|
|
return (to_fmt "<curr file>")
|
|
|
|
meta def pos_info (fn : name) : vm format :=
|
|
do {
|
|
d ← vm.get_decl fn,
|
|
some (line, col) ← return (vm_decl.pos d) | failure,
|
|
file ← get_file fn,
|
|
return (file ++ ":" ++ line ++ ":" ++ col)
|
|
}
|
|
<|>
|
|
return (to_fmt "<position not available>")
|
|
|
|
meta def obj_fmt (o : vm_obj) : vm format :=
|
|
match o^.kind with
|
|
| vm_obj_kind.tactic_state :=
|
|
return (to_fmt "state:" ++ format.nest 8 (format.line ++ o^.to_tactic_state^.to_format))
|
|
| _ := do s ← vm.obj_to_string o, return $ to_fmt s
|
|
end
|
|
|
|
meta def display_args_aux : nat → vm unit
|
|
| i := do
|
|
sz ← vm.stack_size,
|
|
if i = sz then return ()
|
|
else do
|
|
o ← vm.stack_obj i,
|
|
(n, t) ← vm.stack_obj_info i,
|
|
fmt ← obj_fmt o,
|
|
vm.trace (to_fmt " " ++ to_fmt n ++ " := " ++ fmt),
|
|
display_args_aux (i+1)
|
|
|
|
meta def display_args : vm unit :=
|
|
do bp ← vm.bp,
|
|
display_args_aux bp
|
|
|
|
meta def basic_monitor : vm_monitor nat :=
|
|
{ init := 1000,
|
|
step := λ sz, do
|
|
csz ← vm.call_stack_size,
|
|
if sz = csz then return sz
|
|
else
|
|
do {
|
|
fn ← vm.curr_fn,
|
|
pos ← pos_info fn,
|
|
vm.trace (to_fmt "[" ++ csz ++ "]: " ++ to_fmt fn ++ " @ " ++ pos),
|
|
display_args,
|
|
return csz
|
|
}
|
|
<|>
|
|
return csz -- curr_fn failed
|
|
}
|
|
|
|
|
|
run_command vm_monitor.register `basic_monitor
|
|
|
|
set_option debugger true
|
|
open tactic
|
|
|
|
example (a b : Prop) : a → b → a ∧ b :=
|
|
by (intros >> constructor >> repeat assumption)
|