| Commit message (Collapse) | Author | Age |
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This was a trivial overlook.
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Used to replace the standard conversion by the VM. Not so useful, and
implemented using a bunch of references inside and outside the kernel.
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Rename some functions, remove dead code related to (previously deprecated, now
removed) option Set Boxed Values.
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We artificially restrict the syntax though, because it is unclear of
what the semantics of several axioms in a row is, in particular about the
resolution of remaining evars.
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- "Proof using p*" means: use p and any section var about p.
- Simplify the grammar/parser for proof using <expression>.
- Section variables with a body (let-in) are pulled in automatically
since they are safe to be used (add no extra quantification)
- automatic clear of "unused" section variables made optional:
Set Proof Using Clear Unused.
since clearing section hypotheses does not "always work" (e.g. hint
databases are not really cleaned)
- term_typing: trigger a "suggest proof using" message also for Let
theorems.
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These options can be set to a string value, but also unset.
Internal data is of type string option.
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1. The Univ module now only cares about definitions about universes.
2. The UGraph module contains the algorithm responsible for aciclicity.
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in the loadpath.
This patch causes a bit of code duplication (because of the .coq suffix
added to state files) but it makes it clear which part of the code is
looking up files in the loadpath and for what purpose. Also it makes the
interface of System.extern_intern and System.raw_extern_intern much saner.
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The single remaining use is in library/states.ml. This use should be
reviewed, as it is most certainly broken.
The other uses of Loadpath.get_paths did not disappear by miracle though.
They were replaced by a new function Loadpath.locate_file which factors
all the uses of the function. This function should not be used as it is as
broken as Loadpath.get_paths, by definition.
Vernac.load_vernac now takes a complete path rather than looking up for
the file. That is the way it was used most of the time, so the lookup was
unnecessary. For instance, Vernac.compile was calling Library.start_library
which already expected a complete path.
Another consequence is that System.find_file_in_path is almost no longer
used (except for Loadpath.locate_file, obviously). The two remaining uses
are System.intern_state (used by States.intern_state, cf above) and
Mltop.dir_ml_load for dynamically loading compiled .ml files.
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... lemmas and inductives to control which universes are bound and where
in universe polymorphic definitions. Names stay outside the kernel.
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File system.ml seemed like a better choice than util.ml for sharing the
code, but it was bringing a bunch of useless dependencies to the IDE.
There are presumably several other tools that would benefit from using
open_utf8_file_in instead of open_in, e.g. coqdoc.
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When an axiom of an empty type is matched in order to inhabit
a type, do print that type (as if each use of that axiom was a
distinct foo_subproof).
E.g.
Lemma w : True.
Proof. case demon. Qed.
Lemma x y : y = 0 /\ True /\ forall w, w = y.
Proof. split. case demon. split; [ exact w | case demon ]. Qed.
Print Assumptions x.
Prints:
Axioms:
demon : False
used in x to prove: forall w : nat, w = y
used in w to prove: True
used in x to prove: y = 0
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Prints the VM bytecode produced by compilation of a constant or a call to
vm_compute.
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Message to the github robot:
This closes #63
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Fix for [Anomaly: Uncaught exception Failure("hd")] after running [Show
Intros] at the end of a proof:
Goal True. trivial. Show Intros.
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Of course there is an exception to the previous commit.
Fail used to print even if silenced but loading a vernac file.
This behavior is useful only in tests, hence this flag.
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Some asynchronous constraints between initial universes and the ones at
the end of a proof were forgotten. Also add a message to print universes
indicating if all the constraints are processed already or not.
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In compiler mode, only vernac.ml knows the current file name.
Stm.process_error_hook moved from Vernacentries to Vernac to
be bale to properly enrich the exception with the current file
name (if any).
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The command [Redirect "filename" (...)] redirects all the output of
[(...)] to file "filename.out". This is useful for storing the results of
an [Eval compute], for redirecting the results of a large search, for
automatically generating traces of interesting developments, and so on.
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Since error messages are ultimately passed to Format, which has its own
buffers for concatenating strings, using concatenation for preparing error
messages just doubles the workload and increases memory pressure.
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"Add LoadPath" is documented as acting as -Q, not as -I-as. Note that
"Add Rec LoadPath" should be used when compatibility with 8.4 matters.
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This commit also removes the extraneous "=>" token from Fail messages and
prevents them from losing all the formatting information.
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Instead of substituting carelessly the recursive names in Ltac interpretation,
we declare them in the environment beforehand, so that they get globalized
as themselves. We restore the environment afterwards by transactifying the
globalization procedure.
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Fixes bug #4089.
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Of course such proofs cannot be processed asynchronously
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optimized. Now "Import Arith ZArith" imports only once the libraries
reexported by both Arith and ZArith. (No side effect can be inserted
here, so that this looks compatible).
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The Arguments command tends to emit the following warning even when
properly used:
This command is just asserting the number and names of arguments of cons.
If this is what you want add ': assert' to silence the warning. If you
want to clear implicit arguments add ': clear implicits'. If you want to
clear notation scopes add ': clear scopes'
In fact, even ': assert' does not silence it, contrarily to what the message
suggests.
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printing functions touched in the kernel).
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Pierre-Marie Pédrot
Maxime Dénès
Guillaume Melquiond
Enrico Tassi
Matthieu Sozeau
Matthieu Sozeau
Lionel Rieg
Clément Pit--Claudel
Hugo Herbelin