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too late, in a global environment which was no longer the correct one,
leading to the failure of error printing (hence an anomaly) in case
the command modified the state in several steps.
Now, errors raised by vernac commands are processed in the same
(intermediate) state they were raised from, just before rolling back
to the original state.
that modify the state in several
Now, errors raised by vernac commands that modify the state in several
steps (say S1, S2, ..., Sn) are processed in the state they were
produced in (S1, S2, ... Sn-1),
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(declare_constant_gen was not exported, leading to a lot of silly tests
before calling those functions) and replaced them by
declare_constant : ?internal:internal_flat -> ...
declare_constant's default behaviour is the same as the old declare_constant.
* fixed the default behaviour of inductive scheme failure during coq's
compilation.
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proofs is now the default behavior of coqtop.
* lib/Coqtop: Update accordingly.
* checker/Check library/Library:
Pass the right "load_proofs" flag to LightenLibrary.load.
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This module introduces an indirection behind opaque const_body
to enable the optional demarshalling of them.
* library/Library checker/Check: Use LightenLibrary.
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- Moved Global Set from Keep to Substitute to ensure it is activated
in real time and not only after the main parts of the module
- Renamed Importation into Import in option name
- Made "Print Libraries" prints the modules in the importation order
(which is the most relevant order for non-commutative declarations)
instead of load order
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a 3 state type to allow:
* KernelVerbose / KernelSilent : handle the display of messages launch by Coq
* UserVerbose : handle the display of messages launch by user actions
Coq will still behaves the same way (TODOs in the code mark the places
where we can now change the behaviour). I'll remove them in a few days
when we'll have agreed on the correct behaviour.
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improve compatibility between Coq versions).
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Applied it to fix mli file headers.
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The choice between camlp4/5 is done during configure with flags
-usecamlp5 (default for the moment) vs. -usecamlp4.
Currently, to have a full camlp4 compatibility, you need to change
all "EXTEND" and "GEXTEND Gram" into "EXTEND Gram", and change "EOI"
into "`EOI" in grammar entries. I've a sed script that does that
(actually the converse), but I prefer to re-think it and check a few
things before branching this sed into the build mechanism.
lib/compat.ml4 is heavily used to hide incompatibilities between camlp4/5
and try to propose a common interface (cf LexerSig / GrammarSig).
A few incompatible quotations have been turned into underlying code
manually, in order to make the IFDEF CAMLP5 THEN ... ELSE ... END
parsable by both camlp4 and 5. See in particular the fate of
<:str_item< declare ... end >>
Stdpp isn't used anymore, but rather Ploc (hidden behind local module Loc).
This forces to use camlp5 > 5.01.
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Including a module or module type into the top module.
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dev/ocamldoc/
old "make source-doc" that documents ml files and didn't work is now
"make ml-doc" but still don't work :-)
"make clean" cleans dev/ocamldoc/ properly
wierd? calls of dependency graph generation leave unchanged
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- Many of them were broken, some of them after Pierre B's rework
of mli for ocamldoc, but not only (many bad annotation, many files
with no svn property about Id, etc)
- Useless for those of us that work with git-svn (and a fortiori
in a forthcoming git-only setting)
- Even in svn, they seem to be of little interest
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dev/ocamlweb-doc has been erased. I hope no one still use the
"new-parse" it generate.
In dev/,
make html will generate in dev/html/ "clickable version of mlis". (as
the caml standard library)
make coq.pdf will generate nearly the same awfull stuff that coq.ps was.
make {kernel,lib,parsing,..}.{dot,png} will do the dependancy graph of
the given directory.
ocamldoc comment syntax is here :
http://caml.inria.fr/pub/docs/manual-ocaml/manual029.html
The possibility to put graphs in pdf/html seems to be lost.
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so that we can return the right error message when trying to
declare a scheme twice.
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Simplified in passing generation of names for the "Goal" command.
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- make links to section variables working (used qualified names for
disambiguation and fixed the place in intern_var where to dump them)
(wish #2277)
- mapping of physical to logical paths now follows coq (see bug #2274)
(incidentally, it was also incorrectly seeing foobar.v as a in directory foo)
- added links for notations
- added new category "other" for indexing entries not starting with latin letter
(e.g. notations or non-latin identifiers which was otherwise broken)
- protected non-notation strings (from String.v) from utf8 symbol interpretation
- incidentally quoted parseable _ in notations to avoid confusion with
placeholder in the "_ + _" form of notation
- improved several "Sys_error" error messages
- fixed old bug about second dot of ".." being interpreted as regular dot
- removed obsolete lexer in index.mll (and renamed index.mll to index.ml)
- added a test-suite file for testing various features of coqdoc
Things that still do not work:
- when a notation is redefined several times in the same scope, only
the link to the first definition works
- if chars and symbols are not separated in advance, idents
that immediately follow symbols are not detected
(e.g. as in {True}+{True} where coqdoc sees a symbol "+{True}")
- parentheses, curly brackets and semi-colon not linked in notations
Things that can probably be improved:
- all notations are indexed in the same category "other"; can we do better?
- all non-latin identifiers (e.g. Greek letters) are also indexed in the
same "other" category; can we do better?
- globalization data for notations could be compacted (currently there is one
line per each proper location covered by the notation)
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As we can now jump right onto a closed segment, there is no need for
complicated pattern matching.
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You can now BackTo directly inside segments
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- Include Self and equivalence of names
- Include type in modules and nametab
- Bang operator and composition of substitution
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For F(X:T), the application !F M works as F M, except that if module type T
contains some "Inline" annotations, they are not taken in account when substituting
X with M in F. See forthcoming commits for examples of use for this feature.
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Syntax Include Type is still active, but deprecated, and triggers a warning.
The syntax M <+ M' <+ M'', which performs internally an Include, also
benefits from this: M, M', M'' can be independantly modules or module type.
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functors
For Module F(X:SIG), making now a Include F will try to find the X fields in
the current context, just as was doing earlier Include Self F. This specific
syntax is removed, freeing the keyword "Self". Anyway, with the use of the
syntax "<+" there was already hardly any need for syntax "Include Self".
Idem for Include Type.
Beware that a typo such as "Include F" instead of "Include F G" will
produce a different message now, about a missing field instead of
a not-enough-applied functor.
By the way, some code clean-up and factorisation of inner recursive
functions in declaremods.ml.
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mod_subst <--- Some inlining informations was propagated into module implementation whereas those informations should stay in module type
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- backtrack on incompatibility introduced in intro while trying to
simplify the condition about when to restart the subscript of a name
(the legacy says: find a new name from x0 if the name xN exists in
the context but find a new name from xN+1 if the name xN does not
exists in the context but is a global to avoid).
- made the names chosen by "intro" compliant with the ones printed in
the goal and used for "intros until" (possible source of rare
incompatibilities) [replaced the use of visibly_occur_id for
printing the goal into a call to next_name_away_in_goal]
- also made the names internal to T in "T -> U" printed the same in
the goal as they are while printing T after it is introducted in the
hypotheses [non contravariant propagation of boolean isgoal in
detype_binder]
- simplified a bit visibly_occur_id (the Rel and Var cases were useless as
soon as the avoid list contained the current env); still this function is
costly with polynomial time in the depth of binders
- see file output/Naming.v for examples
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NZAddPropFunct in NZAdd.v
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Any place where <: was legal can now contain many <: declarations.
Moreover we can say that the module type we are declaring is a subtype
of an earlier module type. See DecidableType2 for examples.
Also try to handle correctly the freeze/unfreeze summaries
when simulating start/include/end (syntax ... := ... <+ ...)
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"Module M (...) := M1 <+ M2 <+ M3 <+ ..." is now a shortcut for
"Module M (...). Include M1. Include M2. Include M3... End M."
Moreover M2,M3,etc can be functors as long as they find what they need in what
comes before them (see new command "Include Self").
The only real constraint is that M1,M2,M3,... should not have common elements
(for the moment (?)).
Same behavior for signature : Module Type M := M1 <+ M2 <+ M3.
Note that this <+ is _not_ a primitive construct of the module language,
for instance it cannot be used in signature (Module M <: M1 <+ M2 is
illegal for the moment).
Some example of use in Decidable2 and NZAxioms
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If you have some Module Type F (X:Sig), and you are in a Module Type
containing everything required to satisfy Sig (typically thanks to
some earlier Include), then you can say Include Self Type F, and voila,
objects of F are now added in your context, instantiated by local objects.
Same behavior (hopefully) for modules and functors when using Include Self F.
This experimental new command allows to easily produce static signatures
out of functorial ones:
Module Type F_static. Include Sig. Include Self F. End F_static.
... is similar to ...
Module Type F_static. Declare Module X:Sig. Include F X. End F_static.
... but without the pollution of this artificial inner module X.
This allow to split things in many othogonal components, and then mix them.
It is a lightweight way to tackle the "diamond problem" of modular
developpements without things like "overlapping" Include's (planned, but
not yet there). See next commit for an example of use.
Thanks to Elie for the debugging of my first ugly prototype...
NB: According to Yann R.G., this is related with Scala's Traits.
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of objects having the same name as the section).
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- Cleaning and uniformisation in command.ml:
- For better modularity and better visibility, two files got isolated
out of command.ml:
- lemmas.ml is about starting and saving a proof
- indschemes.ml is about declaring inductive schemes
- Decomposition of the functions of command.ml into a functional part
and the imperative part
- Inductive schemes:
- New architecture in ind_tables.ml for registering scheme builders,
and for sharing and generating on demand inductive schemes
- Adding new automatically generated equality schemes (file eqschemes.ml)
- "_congr" for equality types (completing here commit 12273)
- "_rew_forward" (similar to vernac-level eq_rect_r), "_rew_forward_dep",
"_rew_backward" (similar to eq_rect), "_rew_backward_dep" for
rewriting schemes (warning, rew_forward_dep cannot be stated following
the standard Coq pattern for inductive types: "t=u" cannot be the
last argument of the scheme)
- "_case", "_case_nodep", "_case_dep" for case analysis schemes
- Preliminary step towards discriminate and injection working on any
equality-like type (e.g. eq_true)
- Restating JMeq_congr under the canonical form of congruence schemes
- Renamed "Set Equality Scheme" into "Set Equality Schemes"
- Added "Set Rewriting Schemes", "Set Case Analysis Schemes"
- Activation of the automatic generation of boolean equality lemmas
- Partial debug and error messages improvements for the generation of
boolean equality and decidable equality
- Added schemes for making dependent rewrite working (unfortunately with
not a fully satisfactory design - see file eqschemes.ml)
- Some names of ML function made more regular (see dev/doc/changes.txt)
- Incidentally, added a flush to obsolete Local/Global syntax warning
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time should be back to normal.
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- Fixing non-export of newly created Local Argument Scope.
- Fixing bad discharge of local variables in nested sections
(bug still exists in v8.2).
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- Clarification and documentation of the different styles of
Local/Global modifiers in vernacexpr.ml
- Addition of Global in sections for Open/Close Scope.
- Addition of Local for Ltac when not in sections.
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