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the non-verbose mode which I guess one wants to obey whatever
interface is used, and restoring a policy ok for coqtop - maybe would
need a change if obeying the local verbose flag is not ok for PG or
Jedit).
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If the async-proofs-always-delegate is passed, workers are killed
only when the proof they computed is obsolete. If one jumps back
to a state that was computed by the worker (and not the master) instead
of (re)computing such state in the master ask the worker to send it
back.
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Even indirectly, if it depends on another state that in turn failed.
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When async_proofs_always_delegate is on, park proof workers and
dispatch to them queries. This flips the current way of printing
goals in PIDE base UIs: it is not the worker that prints all goals
while coomputing the states (and the dies), it is the UI that asks
for them when they are under the eyes of the user.
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Generalize the old model by letting one park a worker and
by letting the (parked) worker be picky about the tasks it
picks up.
The use of that is the following: a proof worker, while performing
its "main" task (building a proof term) computes all the intermediate
states but returns only its main result. One can ask the worker
to hang around, and react to special tasks, like printing the
goals of an intermediate state.
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This lets me have a pool of active workers of a fixed size,
plus a parking area where workers that completed their job
can stay holding their state (and eventually one can ask them
to query such state afterwards).
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E.g. let a worker pick up only jobs he is able to deal with.
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The default hook value is the one used by CoqIDE
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- drops all Defined entries from the evar map (applying the subst to the
initial evar and the undefined evars types).
- call Gc.compact
Now the question is: where should these two commands be documented?
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This is mainly shuffling code around and removing internal
refs that are not needed anymore.
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Called with [Info n tac], runs [tac] and prints its info trace unfolding [n] level of tactic names ([0] for no unfolding at all).
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PIDE based GUIs can take advantage of multiple panels and get
some feedback routed there. E.g. query panel
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With the options -async-queries-always-delegate queries are
always delegated to a worker process (Eval, Check, ...).
Users of PIDE based UIs (in Denmark) reported that the current
behavior of processing query synchronously is rather unexpected
when one is used to get proofs processed asynchronously.
Non instantaneous queries are part of many scripts and are there
as "tests" for testing the execution of recursive functions.
A standard proof script shape in an ongoing work by Appel and Bengtson
is made of blocks like:
- recursive function definition,
- some tests,
- some proofs
And one cannot quickly jump over the tests (only the proofs).
Enclosing the queries into dummy proofs to recover a reactive UI
is just annoying. Hence this patch.
Currently CoqIDE is not able to integrate the asynchronous feedback
of the query workers into the document, hence if one passes the option
to CoqIDE one only gets a boolean out of queries (processed/error).
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- proofworkertop to deal with proof tasks
- tacworkertop to deal with par: tactics
- queryworkertop to deal with queries (next commit)
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- Show does not print the goal twice
- Undo is considered as part of the document when PG mode
(bug introduced when Undo was said not to be part of the document in
coqtop mode).
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The main change is that selection of subterm is made similar whether
the given term is fully applied or not.
- The selection of subterm now works as follows depending on whether
the "at" is given, of whether the subterm is fully applied or not,
and whether there are incompatible subterms matching the pattern. In
particular, we have:
"at" given
| subterm fully applied
| | incompatible subterms
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Y Y - it works like in 8.4
Y N - this was broken in 8.4 ("at" was ineffective and it was finding
all subterms syntactically equal to the first one which matches)
N Y Y it now finds all subterms like the first one which matches
while in 8.4 it used to fail (I hope it is not a too risky in-draft
for a semantics we would regret...) (e.g. "destruct (S _)" on
goal "S x = S y + S x" now selects the two occurrences of "S x"
while it was failing before)
N Y N it works like in 8.4
N N - it works like in 8.4, selecting all subterms like the
first one which matches
- Note that the "historical" semantics, when looking for a subterm, to
select all subterms that syntactically match the first subterm to
match the pattern (looking from left to right) is now internally called
"like first".
- Selection of subterms can now find the type by pattern-matching (useful e.g.
for "induction (nat_rect _ _ _ _)")
- A version of Unification.w_unify w/o any conversion is used for
finding the subterm: it could be easily replaced by an other
matching algorithm.
In particular, "destruct H" now works on a goal such as "H:True -> x<=y |- P y".
Secondary change is in the interpretation of terms with existential
variables:
- When several arguments are given, interpretation is delayed at the
time of execution
- Because we aim at eventually accepting "edestruct c" with unresolved
holes in c, we need the sigma obtained from c to be an extension of
the sigma of the tactics, while before, we just type-checked c
independently of the sigma of the tactic
- Finishing the resolution of evars (using type classes, candidates,
pending conversion problems) is made slightly cleaner: it now takes
three states: a term is evaluated in state sigma, leading to state
sigma' >= sigma, with evars finally solved in state sigma'' >=
sigma'; we solve evars in the diff of sigma' and sigma and report
the solution in sigma''
- We however renounce to give now a success semantics to "edestruct c"
when "c" has unresolved holes, waiting instead for a decision on
what to do in the case of a similar eapply (see mail to coqdev).
An auxiliary change is that an "in" clause can be attached to each component
of a "destruct t, u, v", etc.
Incidentally, make_abstraction does not do evar resolution itself any longer.
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Goal printing was partially broken. Some commands in vernacentries
were printing, but not all of them. Moreover an unlucky combination
of `Flags.verbosely (fun () -> interp "Set Silent")` was making the
silent flag not settable anymore.
Now STM always print the open goals after a command when run in interactive
mode via coqtop or emacs. More modern GUI do ask for the goals.
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As simple as this looks, there's been some quite subtle issues in doing this modification, there may be bugs left.
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We are left with the compatibility layer and a handful of primitives which require some thought to move.
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This fixes the bug reported by Hugo:
2) Goal True.
3-4) Definition a:=0.
5) Goal True True.
(* jumped back to 3 (on master) instead of 4 (on the outermost proof) *)
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Now the seff contains it directly, no need to force the future
or to hope that it is a Direct opaque proof.
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Before this patch opaque tables were only growing, making them unusable
in interactive mode (leak on Undo).
With this patch the opaque tables are functional and part of the env.
I.e. a constant_body can point to the proof term in 2 ways:
1) directly (before the constant is discharged)
2) indirectly, via an int, that is mapped by the opaque table to
the proof term.
This is now consistent in batch/interactive mode
This is step 0 to make an interactive coqtop able to dump a .vo/.vi
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The leafs of the XML trees are still pretty-printed strings, but this
could be refined later on.
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will name the goal id; writing ?[?id] will use the first
fresh name available based with prefix id.
Tactics intro, rename, change, ... from logic.ml now preserve goal
name; cut preserves goal name on its main premise.
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It is not 100% complete, but the main part is there.
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so that one can retrieve them and pass them to third party tools (i.e.
print the AST with the notations attached to the nodes concerned).
Available syntax:
- all in one:
Notation "a /\ b" := ... (format "...", format "latex" "#1 \wedge #2").
- a posteriori:
Format Notation "a /\ b" "latex" "#1 \wedge #2".
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Used to work "by chance".
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Dead code formerly used by the now defunct [autoinstances].
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Involves changing the [mind_finite] field in the kernel from a bool to the trivalued type [Decl_kinds.recursivity_kind]. This is why so many files are (unfortunately) affected. It would not be very surprising if some bug was introduced.
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