| Commit message (Collapse) | Author | Age | Files | Lines |
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ModuleName used to live in GHC.Unit.Module.Name. In this commit, the
definition of ModuleName and its associated functions are moved to
Language.Haskell.Syntax.Module.Name according to the current plan
towards making the AST GHC-independent.
The instances for ModuleName for Outputable, Uniquable and Binary were
moved to the module in which the class is defined because these instances
depend on GHC.
The instance of Eq for ModuleName is slightly changed to no longer
depend on unique explicitly and instead uses FastString's instance of
Eq.
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Move the GHC-independent definitions from GHC.Hs.ImpExp to
Language.Haskell.Syntax.ImpExp with the required TTG extension fields
such as to keep the AST independent from GHC.
This is progress towards having the haskell-syntax package, as described
in #21592
Bumps haddock submodule
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Names appearing in Haddock docstrings are lexed and renamed like any other names
appearing in the AST. We currently rename names irrespective of the namespace,
so both type and constructor names corresponding to an identifier will appear in
the docstring. Haddock will select a given name as the link destination based on
its own heuristics.
This patch also restricts the limitation of `-haddock` being incompatible with
`Opt_KeepRawTokenStream`.
The export and documenation structure is now computed in GHC and serialised in
.hi files. This can be used by haddock to directly generate doc pages without
reparsing or renaming the source. At the moment the operation of haddock
is not modified, that's left to a future patch.
Updates the haddock submodule with the minimum changes needed.
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This was achieved with
git ls-tree --name-only HEAD -r | xargs sed -i -e 's/note \[/Note \[/g'
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There were two ways to indicate that a TTG constructor is unused in a phase:
`NoExtCon` and `Void`. This unifies the code, and uses the name
'DataConCantHappen', following the discussion at MR 7041.
Updates haddock submodule
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This allows us to use an Anchor with a DeltaPos in it when exact
printing.
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Use an (Raw)PkgQual datatype instead of `Maybe FastString` to represent
package imports. Factorize the code that renames RawPkgQual into PkgQual
in function `rnPkgQual`. Renaming consists in checking if the FastString
is the magic "this" keyword, the home-unit unit-id or something else.
Bump haddock submodule
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1. `text` is as efficient as `ptext . sLit` thanks to the rewrite rules
2. `text` is visually nicer than `ptext . sLit`
3. `ptext . sLit` encourages using one `ptext` for several `sLit` as in:
ptext $ case xy of
... -> sLit ...
... -> sLit ...
which may allocate SDoc's TextBeside constructors at runtime instead
of sharing them into CAFs.
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Remove EpaAnn type synonym, rename EpaAnn' to EpaAnn.
Closes #19705
Updates haddock submodule
--
Change
data EpaAnchor = AR RealSrcSpan
| AD DeltaPos
To instead be
data EpaAnchor = AnchorReal RealSrcSpan
| AnchorDelta DeltaPos
Closes #19699
--
Change
data DeltaPos =
DP
{ deltaLine :: !Int,
deltaColumn :: !Int
}
To instead be
data DeltaPos
= SameLine { deltaColumn :: !Int }
| DifferentLine { deltaLine :: !Int, startColumn :: !Int }
Closes #19698
--
Also some clean-ups of unused parts of check-exact.
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Follow-up from !2418, see #19579
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In comments, and notes.
Follow-up from !2418, see #19579
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Follow-up from !2418, see #19579
Updates haddock submodule
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Metric Increase:
T10370
parsing001
Updates haddock submodule
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----------------
What:
There are two splits.
The first spit is:
- `Language.Haskell.Syntax.Extension`
- `GHC.Hs.Extension`
where the former now just contains helpers like `NoExtCon` and all the
families, and the latter is everything having to do with `GhcPass`.
The second split is:
- `Language.Haskell.Syntax.<mod>`
- `GHC.Hs.<mod>`
Where the former contains all the data definitions, and the few helpers
that don't use `GhcPass`, and the latter contains everything else. The
second modules also reexport the former.
----------------
Why:
See the issue for more details, but in short answer is we're trying to
grasp at the modularity TTG is supposed to offer, after a long time of
mainly just getting the safety benefits of more complete pattern
matching on the AST.
Now, we have an AST datatype which, without `GhcPass` is decently
stripped of GHC-specific concerns. Whereas before, not was it
GHC-specific, it was aware of all the GHC phases despite the
parameterization, with the instances and parametric data structure
side-by-side.
For what it's worth there are also some smaller, imminent benefits:
- The latter change also splits a strongly connected component in two,
since none of the `Language.Haskell.Syntax.*` modules import the older
ones.
- A few TTG violations (Using GhcPass directly in the AST) in `Expr` are
now more explicitly accounted for with new type families to provide the
necessary indirection.
-----------------
Future work:
- I don't see why all the type families should live in
`Language.Haskell.Syntax.Extension`. That seems anti-modular for
little benefit. All the ones used just once can be moved next to the
AST type they serve as an extension point for.
- Decide what to do with the `Outputable` instances. Some of these are
no orphans because they referred to `GhcPass`, and had to be moved. I
think the types could be generalized so they don't refer to `GhcPass`
and therefore can be moved back, but having gotten flak for increasing
the size and complexity types when generalizing before, I did *not*
want to do this.
- We should triage the remaining contents of `GHC.Hs.<mod>`. The
renaming helpers are somewhat odd for needing `GhcPass`. We might
consider if they are a) in fact only needed by one phase b) can be
generalized to be non-GhcPass-specific (e.g. take a callback rather
than GADT-match with `IsPass`) and then they can live in
`Language.Haskell.Syntax.<mod>`.
For more details, see
https://gitlab.haskell.org/ghc/ghc/-/wikis/implementing-trees-that-grow
Bumps Haddock submodule
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This patch significantly refactors key renamer datastructures (primarily Avail
and GlobalRdrElt) in order to treat DuplicateRecordFields in a more robust way.
In particular it allows the extension to be used with pattern synonyms (fixes
where mangled record selector names could be printed instead of field labels
(e.g. with -Wpartial-fields or hole fits, see new tests).
The key idea is the introduction of a new type GreName for names that may
represent either normal entities or field labels. This is then used in
GlobalRdrElt and AvailInfo, in place of the old way of representing fields
using FldParent (yuck) and an extra list in AvailTC.
Updates the haddock submodule.
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I was working on making DynFlags stateless (#17957), especially by
storing loaded plugins into HscEnv instead of DynFlags. It turned out to
be complicated because HscEnv is in GHC.Driver.Types but LoadedPlugin
isn't: it is in GHC.Driver.Plugins which depends on GHC.Driver.Types. I
didn't feel like introducing yet another hs-boot file to break the loop.
Additionally I remember that while we introduced the module hierarchy
(#13009) we talked about splitting GHC.Driver.Types because it contained
various unrelated types and functions, but we never executed. I didn't
feel like making GHC.Driver.Types bigger with more unrelated Plugins
related types, so finally I bit the bullet and split GHC.Driver.Types.
As a consequence this patch moves a lot of things. I've tried to put
them into appropriate modules but nothing is set in stone.
Several other things moved to avoid loops.
* Removed Binary instances from GHC.Utils.Binary for random compiler
things
* Moved Typeable Binary instances into GHC.Utils.Binary.Typeable: they
import a lot of things that users of GHC.Utils.Binary don't want to
depend on.
* put everything related to Units/Modules under GHC.Unit:
GHC.Unit.Finder, GHC.Unit.Module.{ModGuts,ModIface,Deps,etc.}
* Created several modules under GHC.Types: GHC.Types.Fixity, SourceText,
etc.
* Split GHC.Utils.Error (into GHC.Types.Error)
* Finally removed GHC.Driver.Types
Note that this patch doesn't put loaded plugins into HscEnv. It's left
for another patch.
Bump haddock submodule
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* Include funTyCon in exposedPrimTyCons.
Every single place using exposedPrimTyCons was adding funTyCon
manually.
* Remove unused synTyConResKind and ieLWrappedName
* Add recordSelectorTyCon_maybe
* In exprType, panic instead of giving a trace message and dummy output.
This prevents #18767 reoccurring.
* Fix compilation error in fragile concprog001 test (part of #18732)
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- put panic related functions into GHC.Utils.Panic
- put trace related functions using DynFlags in GHC.Driver.Ppr
One step closer making Outputable fully independent of DynFlags.
Bump haddock submodule
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Change `Located X` usage to `XRec pass X`
This increases the scope of the LPat experiment to almost all of GHC.
Introduce UnXRec and MapXRec classes
Fixes #17587 and #18408
Updates haddock submodule
Co-authored-by: Philipp Krüger <philipp.krueger1@gmail.com>
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This updates haddock comments only.
This patch focuses to update for hyperlinks in GHC API's haddock comments,
because broken links especially discourage newcomers.
This includes the following hierarchies:
- GHC.Hs.*
- GHC.Core.*
- GHC.Stg.*
- GHC.Cmm.*
- GHC.Types.*
- GHC.Data.*
- GHC.Builtin.*
- GHC.Parser.*
- GHC.Driver.*
- GHC top
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We often have (ModuleName, Bool) or (Module, Bool) pairs for "extended"
module names (without or with a unit id) disambiguating boot and normal
modules. We think this is important enough across the compiler that it
deserves a new nominal product type. We do this with synnoyms and a
functor named with a `Gen` prefix, matching other newly created
definitions.
It was also requested that we keep custom `IsBoot` / `NotBoot` sum type.
So we have it too. This means changing many the many bools to use that
instead.
Updates `haddock` submodule.
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Introduce GHC.Unit.* hierarchy for everything concerning units, packages
and modules.
Update Haddock submodule
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Update Haddock submodule
Metric Increase:
haddock.compiler
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* SysTools
* Parser
* GHC.Builtin
* GHC.Iface.Recomp
* Settings
Update Haddock submodule
Metric Decrease:
Naperian
parsing001
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This changes every unused TTG extension constructor to be strict in
its field so that the pattern-match coverage checker is smart enough
any such constructors are unreachable in pattern matches. This lets
us remove nearly every use of `noExtCon` in the GHC API. The only
ones we cannot remove are ones underneath uses of `ghcPass`, but that
is only because GHC 8.8's and 8.10's coverage checkers weren't smart
enough to perform this kind of reasoning. GHC HEAD's coverage
checker, on the other hand, _is_ smart enough, so we guard these uses
of `noExtCon` with CPP for now.
Bumps the `haddock` submodule.
Fixes #17992.
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Update Haddock submodule
Metric Increase:
haddock.compiler
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There are two main payloads of this patch:
1. This introduces IsPass, which allows e.g. printing
code to ask what pass it is running in (Renamed vs
Typechecked) and thus print extension fields. See
Note [IsPass] in Hs.Extension
2. This moves the HsWrap constructor into an extension
field, where it rightly belongs. This is done for
HsExpr and HsCmd, but not for HsPat, which is left
as an exercise for the reader.
There is also some refactoring around SyntaxExprs, but this
is really just incidental.
This patch subsumes !1721 (sorry @chreekat).
Along the way, there is a bit of refactoring in GHC.Hs.Extension,
including the removal of NameOrRdrName in favor of NoGhcTc.
This meant that we had no real need for GHC.Hs.PlaceHolder, so
I got rid of it.
Updates haddock submodule.
-------------------------
Metric Decrease:
haddock.compiler
-------------------------
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with equality constraints
In #17304, Richard and Simon dicovered that using `-XFlexibleInstances`
for `Outputable` instances of AST data types means users can provide orphan
`Outputable` instances for passes other than `GhcPass`.
Type inference doesn't currently to suffer, and Richard gave an example
in #17304 that shows how rare a case would be where the slightly worse
type inference would matter.
So I went ahead with the refactoring, attempting to fix #17304.
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Add GHC.Hs module hierarchy replacing hsSyn.
Metric Increase:
haddock.compiler
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