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This eases the task of replacing/improving the serializer, as well as
making it more resistant. See pitfalls below:
Main changes are:
- fold `message` type into `feedback` type
- make messages of type `Richpp.richpp` so we are explicit about the
content being a rich document.
- moved serialization functions for messages and stateid to `Xmlprotocol`
- improved a couple of internal API points (`is_message`).
Tested.
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Coqdep_boot has almost no dependencies, and hence can be compiled
very early during the build, without relying on .ml.d files.
Some code of system.ml is now in a separate file minisys.ml,
which is also included in system.ml for compatibility.
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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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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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Now the casual Dyn user does not need to be a GADT guru
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be used in the generic printer for tactics.
Allows e.g. to print "symmetry in H" correctly after its move to
TACTIC EXTEND.
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This is not perfect yet, in particular the whole precedence system is a real
mess, as there is a real need for tidying up the Pptactic implementation.
Nonetheless, printing toplevel values is only used for debugging purposes, where
an ugly display is better than none at all.
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hash-consing, so as to avoid having too many kinds of equalities with
same name.
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We protect Sys.readdir calls againts any nasty exception.
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This commit also completes 74bd95d10b9f4cccb4bd5b855786c444492b201b
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Fixes compilation of Coq with OCaml 4.03 beta 1.
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Printing invalid UTF-8 string startled GTK too much, leading to CoqIDE dying
improperly. We now check that all strings outputed by Coq are proper UTF-8.
This is not perfect, as CoqIDE will sometimes truncate strings which contains
the null character, but at least it should not crash.
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I propose to change the name of the "Util.compose" function to "%".
Reasons:
1. If one wants to express function composition,
then the new name enables us to achieve this goal easier.
2. In "Batteries Included" they had made the same choice.
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This fixes micromega in certain environments.
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It is similar to find but raises an assertion failure instead of a Not_found
when the element is not encountered. Using it will give stronger invariants.
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(e.g. with deprecated options such as -byte, etc.) since I guess this
is what we expect.
Was probably lost in 81eb133d64ac81cb.
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The length of the pattern should now be exactly the number of
assumptions and definitions introduced by the destruction or induction,
including the induction hypotheses in case of an induction.
Like for pattern-matching, the local definitions in the argument of
the constructor can be skipped in which case a name is automatically
created for these.
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We can now use the expressivity of GADT to work around historical kludges
of generic arguments.
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No more Obj.magic in Genarg. We leverage the expressivity of GADT
coupled with dynamic tags to get rid of unsafety. For now the API
did not change in order to port the legacy code more easily.
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This will allow an easier landing of the rewriting of Genarg.
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