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We untangle many dependencies on Ltac datastructures and modules from the
lower strata, resulting in a self-contained ltac/ folder. While not a plugin
yet, the change is now very easy to perform. The main API changes have been
documented in the dev/doc/changes file.
The patches are quite rough, and it may be the case that some parts of the
code can migrate back from ltac/ to a core folder. This should be decided on
a case-by-case basis, according to a more long-term consideration of what is
exactly Ltac-dependent and whatnot.
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This removes a dependency on wit_tactic in Constrintern.
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consistency of the use of names.
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mainly concerning referring to "Context.{Rel,Named}.get_{id,value,type}" functions.
If multiple modules define a function with a same name, e.g.:
Context.{Rel,Named}.get_type
those calls were prefixed with a corresponding prefix
to make sure that it is obvious which function is being called.
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more cleanups
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aliases.
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Suggested by @ppedrot
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As noted by @ppedrot, the first is redundant. The patch is basically a renaming.
We didn't make the component optional yet, but this could happen in a
future patch.
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In some cases prior to this patch, there were two cases for the same
error function, one taking a location, the other not.
We unify them by using an option parameter, in the line with recent
changes in warnings and feedback.
This implies a bit of clean up in some places, but more importantly, is
the preparation for subsequent patches making `Loc.location` opaque,
change that could be use to improve modularity and allow a more
functional implementation strategy --- for example --- of the
beautifier.
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The logic was backward: if the path of a symbol was a prefix of the
current path, then the current path (without sections) was used. But what
we want is that, if the current path (without sections) is a prefix of the
path of a symbol, then the former should be used.
This fixes about 1,600 broken links in the documentation of the standard
library.
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- typo in notation_ops.ml
- factorization of patterns in ppconstr.ml
- update of test-suite
- printing of cast of a binding pattern if in mode "printing all"
The question of whether or not to print the type of a binding pattern
by default seems open to me.
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Supporting accordingly printing of sequences of binders including binding
patterns.
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The same variable name was used to collect the binders and the
successive steps of matching one binder, resulting in unexpected
attempts for merging in the presence of multiple occurrence of the
same recursive pattern.
An amusing side-effect: when eta-expanding for a notation with
recursive binders, it is the second variable of the "x .. y" which is
used to invent a name rather than the first one.
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A couple of bugs have been found.
Example #4932 is now printing correctly in the presence of multiple
binders (when no let-in, no irrefutable patterns).
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immediately in the scope of another recursive pattern.
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In particular, it becomes possible to have recursive patterns used
shared by binders and terms.
Currently limited by alpha-conversion issues (e.g. test2 from 4932.v
is not reprinted).
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This application was actually not anticipated. It is nice and was not
too difficult to support.
Design for pattern binders maybe to clarify. When seing pat(x1,..,xn)
as a term, I just reused pat(x1,..,xn), but maybe it is worth using
the variable aliasing the pattern, for more a concise notation. But at
the same time, this means exposing the internal name of the alias
which is not so elegant.
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This happens when recursive notations are used to define recursive
notations.
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This maintains compatibility, it is debatable if we should use implicit
type information for lets to allow for coercions to fire.
(Problem found in math-comp).
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They were allowing algebraic universes to slip in terms.
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module)
For the moment, there is an Error module in compilers-lib/ocamlbytecomp.cm(x)a
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See 4865.v for details.
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On the user side, coqtop and coqc take a list of warning names or categories
after -w. No prefix means activate the warning, a "-" prefix means deactivate
it, and "+" means turn the warning into an error. Special categories include
"all", and "default" which contains the warnings enabled by default.
We also provide a vernacular Set Warnings which takes the same flags as argument.
Note that coqc now prints warnings.
The name and category of a warning are printed with the warning itself.
On the developer side, Feedback.msg_warning is still accessible, but the
recommended way to print a warning is in two steps:
1) create it by:
let warn_my_warning =
CWarnings.create ~name:"my-warning" ~category:"my-category"
(fun args -> Pp.strbrk ...)
2) print it by:
warn_my_warning args
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They can apply to the head reference under a notation.
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internalization.
Patch by PMP, test-suite fix by MS.
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Was PR#223: Allow feedback messages to carry a location.
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