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This patch splits pretty printing representation from IO operations.
- `Pp` is kept in charge of the abstract pretty printing representation.
- The `Feedback` module provides interface for doing printing IO.
The patch continues work initiated for 8.5 and has the following effects:
- The following functions in `Pp`: `pp`, `ppnl`, `pperr`, `pperrnl`,
`pperr_flush`, `pp_flush`, `flush_all`, `msg`, `msgnl`, `msgerr`,
`msgerrnl`, `message` are removed. `Feedback.msg_*` functions must be
used instead.
- Feedback provides different backends to handle output, currently,
`stdout`, `emacs` and CoqIDE backends are provided.
- Clients cannot specify flush policy anymore, thus `pp_flush` et al are
gone.
- `Feedback.feedback` takes an `edit_or_state_id` instead of the old
mix.
Lightly tested: Test-suite passes, Proof General and CoqIDE seem to work.
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In particular, no more warning about ocamldep finding stuff both
in checker/ and kernel/.
A 'make clean' is mandatory after this commit
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Some dubious evarmap manipulation is going on in destruct because of the
use of clenv primitives. Here, building a clenv was introducing new evars
that were not taken into account in the remainder of the tactic. We plug
them back using a local workaround.
Eventually, this code should be replaced by an evar-based one, but meanwhile,
we rely on what is probably a hack.
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Command line options to be dropped got outdated after vi -> vio renaming.
This made the par: goal selector do not work in conjunction with -quick.
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Return the most appropriate evar_map for commands that can run on
non-focused proofs (like Check, Show and debug printers) so that
universes and existentials are printed correctly (they are global
to the proof). The API is backwards compatible.
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Follow-up on Hugo's 1412f9f9.
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- In Program, a check_evars_are_solved was introduced
too early. Program does it's checking of evars by itself.
- In Function, the universe environments were not threaded
correctly.
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Use the compatibility match construction to extract the compatibility
constant associated to a primitive projection.
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Fix handling of non-polymorphic hints built from polymorphic values, or
simply producing new universes. We have to record the side effects of
global hints built from constrs which are not polymorphic when they
declare global universes, which might need to be discharged at the end
of sections too. Also issue a warning when a Hint is declared for a
polymorphic reference but the Hint isn't polymorphic itself (this used
to produce an anomaly). For [using] hints, treat all lemmas as
polymorphic, refreshing their universes at each use, as is done for
their existentials (also used to produce an anomaly).
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Anomaly: Uncaught exception Unix.Unix_error(Unix.EACCES, "open", "lia.cache").
Please report.
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A non-ASCII char is now converted to _UUxxxx_ with xxxx being its unicode index
in hexa. And any preexisting _UU substring in the ident is converted to _UUU.
The switch from __Uxxxx_ to _UUxxxx_ is cosmetic, it just helps the extraction
(less __ in names). But the other part of the patch (detection of preexisting
_UU substrings) is critical to make ascii_of_ident truly injective and avoid
the following kind of proof of False via native_compute :
Definition α := 1.
Definition __U03b1_ := 2.
Lemma oups : False.
Proof.
assert (α = __U03b1_). { native_compute. reflexivity. }
discriminate.
Qed.
Conflicts:
lib/unicode.mli
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A non-ASCII char is now converted to _UUxxxx_ with xxxx being its unicode index
in hexa. And any preexisting _UU substring in the ident is converted to _UUU.
The switch from __Uxxxx_ to _UUxxxx_ is cosmetic, it just helps the extraction
(less __ in names). But the other part of the patch (detection of preexisting
_UU substrings) is critical to make ascii_of_ident truly injective and avoid
the following kind of proof of False via native_compute :
Definition α := 1.
Definition __U03b1_ := 2.
Lemma oups : False.
Proof.
assert (α = __U03b1_). { native_compute. reflexivity. }
discriminate.
Qed.
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Init/Tauto.v)
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The -o option lets one put .vo or .vio files in a directory of choice,
i.e. decouple the location of the sources and the compiled files.
This ease the integration of Coq in already existing IDEs that handle
the build process automatically (eg Eclipse) and also enables one to
compile/run at the same time 2 versions of Coq on the same sources.
Example: b.v depending on a.v
coq8.6/bin/coqc -R out8.6 Test src/a.v -o out8.6/a.vo
coq8.6/bin/coqc -R out8.6 Test src/b.v -o out8.6/b.vo
coq8.7/bin/coqc -R out8.7 Test src/a.v -o out8.7/a.vo
coq8.7/bin/coqc -R out8.7 Test src/b.v -o out8.7/b.vo
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It is indeed confusing, as it has little to do with the proper refine defined
in the New submodule. Legacy code relying on it should call the Logic or
Tacmach modules instead.
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This has no influence on user-side, and only makes the life of the debugging
developer easier.
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Fix a really small doc typo
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there is actually no change in default subst between 8.4 and 8.5.
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