| Commit message (Collapse) | Author | Age |
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The structure of the Context module was refined in such a way that:
- Types and functions related to rel-context declarations were put into the Context.Rel.Declaration module.
- Types and functions related to rel-context were put into the Context.Rel module.
- Types and functions related to named-context declarations were put into the Context.Named.Declaration module.
- Types and functions related to named-context were put into the Context.Named module.
- Types and functions related to named-list-context declarations were put into Context.NamedList.Declaration module.
- Types and functions related to named-list-context were put into Context.NamedList module.
Some missing comments were added to the *.mli file.
The output of ocamldoc was checked whether it looks in a reasonable way.
"TODO: cleanup" was removed
The order in which are exported functions listed in the *.mli file was changed.
(as in a mature modules, this order usually is not random)
The order of exported functions in Context.{Rel,Named} modules is now consistent.
(as there is no special reason why that order should be different)
The order in which are functions defined in the *.ml file is the same as the order in which they are listed in the *.mli file.
(as there is no special reason to define them in a different order)
The name of the original fold_{rel,named}_context{,_reverse} functions was changed to better indicate what those functions do.
(Now they are called Context.{Rel,Named}.fold_{inside,outside})
The original comments originally attached to the fold_{rel,named}_context{,_reverse} did not full make sense so they were updated.
Thrown exceptions are now documented.
Naming of formal parameters was made more consistent across different functions.
Comments of similar functions in different modules are now consistent.
Comments from *.mli files were copied to *.ml file.
(We need that information in *.mli files because that is were ocamldoc needs it.
It is nice to have it also in *.ml files because when we are using Merlin and jump to the definion of the function,
we can see the comments also there and do not need to open a different file if we want to see it.)
When we invoke ocamldoc, we instruct it to generate UTF-8 HTML instead of (default) ISO-8859-1.
(UTF-8 characters are used in our ocamldoc markup)
"open Context" was removed from all *.mli and *.ml files.
(Originally, it was OK to do that. Now it is not.)
An entry to dev/doc/changes.txt file was added that describes how the names of types and functions have changed.
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This tactical is inspired by discussions on the Coq-club list. For now
it is still undocumented, and there is room left for design issues.
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Side effects are now an opaque data type, called private_constant, you can
only obtain from safe_typing. When add_constant is called on a
definition_entry that contains private constants, they are either
- inlined in the main proof term but not re-checked
- declared globally without re-checking them
As a safety measure, the opaque data type contains a pointer to the
revstruct (an internal field of safe_env that changes every time a new
constant is added), and such pointer is compared with the current value
store in safe_env when the private_constant is inlined. Only when the
comparison is successful the private_constant is not re-checked. Otherwise
else it is. In short, we accept into the kernel private constant only
when they arrive in the very same order and on top of the very same env
they arrived when we fist checked them.
Note: private_constants produced by workers never pass the safety
measure (the revstruct pointer is an Ephemeron). Sending back the
entire revstruct is possible but: 1. we lack a way to quickly compare
two revstructs, 2. it can be large.
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This is not perfect though, some primitives are unsound, and some
higher-order API should use polymorphic functions so as not to depend
on a given level.
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allow reusability of the implementation throughout the Coq codebase.
We effectively feature a generalized version of the logical monad where the
input state, the output state and the inner exception can be arbitrarily chosen.
This will allow for more efficient implementations of close variants of the
monad.
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Had to put some hook in the handler of Proofview.NoSuchgoals.
Documentation updated. CHANGE updated.
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Instead of modifying exceptions to wear additional information, we instead use
a dedicated type now. All exception-using functions were modified to support
this new type, in particular Future's fix_exn-s and the tactic monad.
To solve the problem of enriching exceptions at raise time and recover this
data in the try-with handler, we use a global datastructure recording the
given piece of data imperatively that we retrieve in the try-with handler.
We ensure that such instrumented try-with destroy the data so that there
may not be confusion with another exception. To further harden the correction
of this structure, we also check for pointer equality with the last raised
exception.
The global data structure is not thread-safe for now, which is incorrect as
the STM uses threads and enriched exceptions. Yet, we splitted the patch in
two parts, so that we do not introduce dependencies to the Thread library
immediatly. This will allow to revert only the second patch if ever we
switch to OCaml-coded lightweight threads.
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for typeclasses.
This was not the case for goals created at the end of the tactic by salvaging the [future_goals] from the evar map. It would cause typeclass resolution to try and solve these goals (if they have a class type) at each subsequent tactic.
Fixes #3841.
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propagate it. This allows C-zar to continue to work.
Don't know if it is the best way to do it.
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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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The name is chosen in accordance to Ltac's syntax. In particular [refine] prints as Ltac's refine, which is not entirely correct (Ltac's refine does some βι-reduction after refinement). Maybe it would be better to give make it clear that it is a different refine. Still in refine, the constr is printed without taking into account the new evars, which, apart from potentially getting the order of the goals wrong, prints new evars as ?x instead of ?[x]. A printer for terms with new evars will be necessary.
In the case of [V82.tactic], the name is just <unknown> because there is no way to retrieve any information. It won't appear in the first level of info in Ltac, however, if the user would require a deeper trace, he may see internal tactics (Tactics defined with TACTIC EXTEND also have weird, unparsable, internal names).
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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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of a break.
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defined and the file providing the primitives.
The datatypes are defined in [Proofview_monad], previous [Proofview_monad] is now called [Logic_monad] since it is more generic since the refactoring.
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ret -> return, bind -> (>>=), etc… So that monads expose a [Monad.S] signature. Also Proofview now exposes the [Monad.S] signature directly rather than in a [Monad.S] subdirectory.
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It is, after all, a generic function about lists.
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The Unsafe module is for unsafe tactics which cannot be done without anytime soon. Whereas V82 indicates a function which we want to get rid of and that shouldn't be used in a new function.
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Makes the monad more flexible as it will be easier to add new components to the concrete state of the tactic monad.
The Proofview module is also organised in a more abstract way with dedicated submodules to access various parts of the state or writer.
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Uses the new architecture which allows to keep track of all new evars. The [future_goals] are flushed at the end of the tactics, the [principal_future_goal] is ignored.
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Now, usual function from Evarutil are used to define evars instead of the variants from Proofview.Refine.
The [update] primitive which tried to patch the difference between pretyping functions and the refine primitive is now replaced by the identity function.
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another one.
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Pierre-Marie Pédrot
Matthieu Sozeau
Maxime Dénès
Matej Kosik
Guillaume Melquiond
Enrico Tassi
Pierre Courtieu
Arnaud Spiwack
Hugo Herbelin