| Commit message (Collapse) | Author | Age |
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This is the continuation of #244, we now deprecate `CErrors.error`,
the single entry point in Coq is `user_err`.
The rationale is to allow for easier grepping, and to ease a future
cleanup of error messages. In particular, we would like to
systematically classify all error messages raised by Coq and be sure
they are properly documented.
We restore the two functions removed in #244 to improve compatibility,
but mark them deprecated.
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Inspired by https://coq.inria.fr/bugs/show_bug.cgi?id=5229 , which
this PR solves, I propose to remove support for non-synchronous
options.
It seems the few uses of `optsync = false` we legacy and shouldn't
have any impact.
Moreover, non synchronous options may create particularly tricky
situations as for instance, they won't be propagated to workers.
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Now we properly report NoApplicableEx/ReachedLimit and CannotUnify
exceptions that can be raised during resolution.
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The only remaining use was applied on the unfold tactic, and the behaviours
of tclPROGRESS and tclWEAK_PROGRESS coincide whenever only one goal is produced
by their argument tactic.
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Today, both modes are controlled by a single flag, however this is a
bit misleading as is_silent really means "quiet", that is to say `coqc
-q` whereas "verbose" is Coq normal operation.
We also restore proper behavior of goal printing in coqtop on quiet
mode, thanks to @Matafou for the report.
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The evarmap used by the heuristic could contain resolved evars, which could
lead to a failure of backtracking in the EConstr branch. This is experimental
and may be to costly.
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For now we only normalize sorts, and we leave instances for the next
commit.
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correctly as…
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The underlying hint mode implementation was not using the evar-insensitive
API so that it resulted in strange bugs.
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Now they are useless because all of the primitives are (should?) be
evar-insensitive.
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Incidentally, this fixes a printing bug in output/inference.v where the
displayed name of an evar was the wrong one because its type was not
evar-expanded enough.
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This removes quite a few unsafe casts. Unluckily, I had to reintroduce
the old non-module based names for these data structures, because I could
not reproduce easily the same hierarchy in EConstr.
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This allows the decoupling of the notions of context containing kernel
terms and context containing tactic-level terms.
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Was PR#172: alternate path separators in typeclass debug output.
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Before this fix, unshelve typeclasses eauto would produce sub-goals
in the reverse order compared to when they were first shelved.
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A file in the test-suite had to be modified.
It was supposed to reproduce a behavior in intuistionistic-nuprl
but it did not really.
This commit is not supposed to break intuistionistic-nuprl.
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Hit by OCaml's "if then else" with no "end" once more
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We stop failing automatically on non-declared-class nested or toplevel
subgoals as in 8.5, instead of the previous a477dc behavior of shelving
those goals and failing if shelved goals remained at the end of
resolution. It means typeclass resolution during refinement is closer to
all:typeclasses eauto. Hints in typeclass_instances for non-declared
classes can be used during resolution of _nested_ subgoals when it is
fired from type-inference, toplevel goals considered in this case are
still only classes (as in 8.5 and before). The code that triggers the
restriction to only declared class subgoals is commented.
Revert changes to test-suite, adding test for #5203, #5198 is fixed too.
Add corresponding tests in the test-suite (that will break if we,
e.g. disallow non-class subgoals) and update the refman accordingly.
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Emilio Jesus Gallego Arias
Matthieu Sozeau
Hugo Herbelin
Gaetan Gilbert
Pierre-Marie Pédrot
Maxime Dénès
Théo Zimmermann
Matthieu Sozeau