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This gets `Tactypes` closer to `tactics/`, however some legacy stuff
blocks it in `proofs`. We consider that is satisfactory for now.
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- move_location to proofs/logic.
- intro_pattern_naming to Namegen.
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We continue with the work of #402 and #6745 and update most of the
remaining parts of the AST:
- module declarations
- intro patterns
- top-level sentences
Now, parsed documents should be full annotated by `CAst` nodes.
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Today, TACTIC EXTEND generates ad-hoc ML code that registers the tactic
and its parsing rule. Instead, we make it generate a typed AST that is
passed to the parser and a generic tactic execution routine.
PMP has written a small parser that can generate the same typed ASTs
without relying on camlp5, which is overkill for such simple macros.
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It was the identity.
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We generalize the possible use of levels to raw and glob printers.
This is potentially useful for printing ltac expressions which are the
glob level.
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We do up to `Term` which is the main bulk of the changes.
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The model provides three kinds of printers depending on whether the
printer needs a context, and, if yes if it supports levels. In the
latter case, it takes defaults levels for printing when in a
surrounded context (lconstr style) and for printing when not in a
surrounded context (constr style).
This model preserves the 8.7 focussing semantics of "idtac"
(i.e. focussing only when an env is needed) but it also shows that the
semantics of "idtac", which focusses the goal depending on the type of
its arguments, is a bit ad hoc to understand.
See discussion at PR#6047
"https://github.com/coq/coq/pull/6047#discussion_r148278454".
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To this extent we factor out the relevant bits to a new file,
ltac_pretype.
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This completes the Loc.ghost removal, the idea is to gear the API
towards optional, but uniform, location handling.
We don't print <unknown> anymore in the case there is no location.
This is what the test suite expects.
The old printing logic for located items was a bit inconsistent as
it sometimes printed <unknown> and other times it printed nothing as
the caller checked for `is_ghost` upstream.
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The transition has been done a bit brutally. I think we can still save a
lot of useless normalizations here and there by providing the right API
in EConstr. Nonetheless, this is a first step.
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For now we only normalize sorts, and we leave instances for the next
commit.
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This commit is essentially moving files around. In particular, the corresponding
plugin still relies on a mllib file rather than a mlpack one. Otherwise, this
causes link-time issues for third-party plugins depending on modules defined
in the Ltac plugin.
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Emilio Jesus Gallego Arias
Maxime Dénès
Théo Zimmermann
Hugo Herbelin
Pierre-Marie Pédrot
Matej Košík