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Note: "dependant" does exist, but it is a noun and it means a person that
is somehow financially dependent on someone else.
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It may be worth it, also added a note about file reorganization.
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The recommended way to install Coq under windows is anyway to use the
precompiled installer.
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This patch converts the `search_*` functions to use an iter-style API.
Consequently, the Search Vernac will produce a message for each search
result, greatly improving roundtrip time as IDEs can effectively display
the results in a streaming way.
It also allows different printers to be used.
I didn't observe a performance difference (as things seem to be
dominated by printing and `Declaremods`).
As a minor tweak, we make search with "Output Name Only" more efficient.
Motivation:
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Currently, the main search API `Search.generic_search` is an effectful,
iteration-based function:
```ocaml
val generic_search : int option -> display_function -> unit
```
This type is imposed by `Declaremods`, which exposes an effectful,
iteration-based API to traverse Coq library objects.
The `Search.search_*` functions try to offer a more functional API by
returning a list of pretty printing commands. They need to build an
internal intermediate list for that purpose.
However, this is a waste of time, as the destination of these lists is
to be flushed out by the printer right away.
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The word "increment" is more appropriate in this case than "lifting".
The world "lifting", in computer science, usually denotes something else:
https://en.wikipedia.org/wiki/Lambda_lifting
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8a8caba3).
- Adding cLexer.current_file to the lexer state, i.e. making it a
component of the type "coq_parsable" of lexer state (it was
forgotten in b8ae2de5 and 8a8caba3).
- Inlining save_translator/restore_translator which have now lost most
of their substance.
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There was no reason to keep them separate since quite a long time. Historically,
they were making Genarg depend or not on upper strata of the code, but since
it was moved to lib/ this is not justified anymore.
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Starting listing some recommendations in using the API.
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"Context.{Rel,Named}.fold_constr"
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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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This file was only used during ocamldebug sessions (in the dev/db
script). It was containing a large subset of the core cma files,
up to the printing functions. There were a few notable exceptions,
for instance no kernel/vm.cmo to avoid loading dllcoqrun.so in ocamldebug.
But printers.cma was troublesome to maintain : almost each time an ML file
was added/removed/renamed in the core of Coq, dev/printers.mllib
had to be edited, in addition to the directory-specific .mllib
(kernel/kernel.mllib and co). So I propose here to kill this file,
and put instead in dev/db several "load_printer" of the core cma files.
For that to work, we need to compile kernel/kernel.cma with the right
-dllib and -dllpath options, but that shouldn't hurt (on the contrary).
We also source now the camlpX cma in dev/db, via a new generated file
dev/camlp4.dbg containing a load_printer of either gramlib.cma or
camp4lib.cma.
If one doesn't want to perform the whole "source db" at the start
of an ocamldebug session, then the former "load_printer printers.cma"
could be replaced by:
source core.dbg
load_printer top_printers.cmo
See for instance the minimal dev/base_db.
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lib/cErrors.ml)
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For the moment, there is a Closure module in compiler-libs/ocamloptcomp.cm(x)a
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module)
For the moment, there is an Error module in compilers-lib/ocamlbytecomp.cm(x)a
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This is a reimplementation of Hugo's PR#117.
We are trying to address the problem that the name of some reduction functions
was not saying what they were doing (e.g. whd_betadeltaiota was doing let-in
reduction). Like PR#117, we are careful that no function changed semantics
without changing the names. Porting existing ML code should be a matter of
renamings a few function calls.
Also, we introduce more precise reduction flags fMATCH, fFIX, fCOFIX
collectively denominated iota.
We renamed the following functions:
Closure.betadeltaiota -> Closure.all
Closure.betadeltaiotanolet -> Closure.allnolet
Reductionops.beta -> Closure.beta
Reductionops.zeta -> Closure.zeta
Reductionops.betaiota -> Closure.betaiota
Reductionops.betaiotazeta -> Closure.betaiotazeta
Reductionops.delta -> Closure.delta
Reductionops.betalet -> Closure.betazeta
Reductionops.betadelta -> Closure.betadeltazeta
Reductionops.betadeltaiota -> Closure.all
Reductionops.betadeltaiotanolet -> Closure.allnolet
Closure.no_red -> Closure.nored
Reductionops.nored -> Closure.nored
Reductionops.nf_betadeltaiota -> Reductionops.nf_all
Reductionops.whd_betadelta -> Reductionops.whd_betadeltazeta
Reductionops.whd_betadeltaiota -> Reductionops.whd_all
Reductionops.whd_betadeltaiota_nolet -> Reductionops.whd_allnolet
Reductionops.whd_betadelta_stack -> Reductionops.whd_betadeltazeta_stack
Reductionops.whd_betadeltaiota_stack -> Reductionops.whd_all_stack
Reductionops.whd_betadeltaiota_nolet_stack -> Reductionops.whd_allnolet_stack
Reductionops.whd_betadelta_state -> Reductionops.whd_betadeltazeta_state
Reductionops.whd_betadeltaiota_state -> Reductionops.whd_all_state
Reductionops.whd_betadeltaiota_nolet_state -> Reductionops.whd_allnolet_state
Reductionops.whd_eta -> Reductionops.shrink_eta
Tacmach.pf_whd_betadeltaiota -> Tacmach.pf_whd_all
Tacmach.New.pf_whd_betadeltaiota -> Tacmach.New.pf_whd_all
And removed the following ones:
Reductionops.whd_betaetalet
Reductionops.whd_betaetalet_stack
Reductionops.whd_betaetalet_state
Reductionops.whd_betadeltaeta_stack
Reductionops.whd_betadeltaeta_state
Reductionops.whd_betadeltaeta
Reductionops.whd_betadeltaiotaeta_stack
Reductionops.whd_betadeltaiotaeta_state
Reductionops.whd_betadeltaiotaeta
They were unused and having some reduction functions perform eta is confusing
as whd_all and nf_all don't do it.
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