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With the introduction of GHC2021, the `Languages` data type in GHC will
grow. In preparation of that (and to avoid changing haddock with each
new language), this change makes the code handle extensions to that data
type gracefully.
(cherry picked from commit c341dd7c9c3fc5ebc83a2d577c5a726f3eb152a5)
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I found that when running as a plugin the lookupName function (which
runs in Ghc monad) does not work correctly from the
typeCheckResultAction hook.
Instead, we abstracted the monad used when creating interfaces, so
that access to GHC session specific parts is explicit and so that the
TcM can provide their (correct) implementation of lookupName.
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See https://gitlab.haskell.org/ghc/ghc/merge_requests/2469
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because they will be soon be added to -Wall.
See https://gitlab.haskell.org/ghc/ghc/-/issues/15656
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* Fix multiple typos and inconsistencies in doc/markup.rst
Note: I noticed some overlap with #1112 from @wygulmage and #1081 from
@parsonsmatt after creating these proposed changes - mea culpa for not
looking at the open PRs sooner.
* Fix #1113 If no Signatures, no section of index.html
* Change the formatting of missing link destinations
The current formatting of the missing link destination does not really
help user to understand the reasons of the missing link.
To address this, I've changed the formatting in two ways:
- the missing link symbol name is now fully qualified. This way you
immediately know which haskell module cannot be linked. It is then easier
to understand why this module does not have documentation (hidden module
or broken documentation).
- one line per missing link, that's more readable now that symbol name
can be longer due to qualification.
For example, before haddock was listing missing symbol such as:
```
could not find link destinations for:
Word8 Word16 mapMaybe
```
Now it is listed as:
```
could not find link destinations for:
- Data.Word.Word8
- Data.Word.Word16
- Data.Maybe.mapMaybe
```
* Add `--ignore-link-symbol` command line argument
This argument can be used multiples time. A missing link to a symbol
listed by `--ignore-link-symbol` won't trigger "missing link" warning.
* Forbid spaces in anchors (#1148)
* Improve error messages with context information (#1060)
Co-authored-by: Matt Audesse <matt@mattaudesse.com>
Co-authored-by: Mike Pilgrem <mpilgrem@users.noreply.github.com>
Co-authored-by: Guillaume Bouchard <guillaume.bouchard@tweag.io>
Co-authored-by: Pepe Iborra <pepeiborra@gmail.com>
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This allows to have stable anchors for groups, even if the set of
groups in the documentation is altered.
The syntax for setting the anchor of a group is
-- * Group name #desiredAnchor#
Which will produce an html anchor of the form '#g:desiredAnchor'
Co-authored-by: Iñaki García Etxebarria <git@inaki.blueleaf.cc>
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This is quite straightforward to implement, since we already had a
function `docToHtmlNoAnchors` (which we used to generate the link in the
sidebar "Contents").
This breaks test `Bug387`, but that test case has aged badly: we now
automatically generate anchors for all headings, so manually adding an
anchor in a section makes no sense. Nested anchors are, as pointed out
in #1054, disallowed by the HTML standard.
Fixes #1054
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* `unL` is already defined by GHC as `unLoc`
* `reL` is already defined by GHC as `noLoc` (in a safer way too!)
* Condense `setOutputDir` and add a about exporting from GHC
Fixes #978
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None of these error cases should ever have been reachable, so this is
just a matter of leveraging the type system to assert this.
* Use the `NoExtCon` and `noExtCon` to handle case matches for no
extension constructors, instead of throwing an `error`.
* Use the extension field of `HsSpliceTy` to ensure that this variant
of `HsType` cannot exist in an `HsType DocNameI`.
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* removed functions in `Haddock.Utils` that were not used anywhere
(or exported from the `haddock-api` package)
* moved GHC-specific utils from `Haddock.Utils` to `Haddock.GhcUtils`
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Adjusted changelogs and versions in `.cabal` files in preparation for
the upcoming release bundled with GHC 8.10.
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* unused imports
* imports of `Data.List` without import lists
* missing `CompatPrelude` file in `.cabal`
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It is possible to fail to extract an HIE ast. This is however not a
reason to produce _no_ output - we should still make a colorized HTML
page.
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(cherry picked from commit 3ee6526d4ae7bf4deb7cd1caf24b3d7355573576)
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Before LLVM 6.0.1 (or 10.0 on Apple LLVM), there was a bug where
lines that started with an octothorpe but turned out not
to lex like pragmas would have an extra line added after them.
Since this bug has been fixed upstream and that it doesn't have dire
consequences anyways, the workaround is not really worth it
anymore - we can just tell people to update their clang version (or re-structure
their pragma code).
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After this commit, we can run with `--latex` on all boot libraries
without crashing (although the generated LaTeX still fails to compile in
a handful of larger packages like `ghc` and `base`).
* Add newlines after all block elements in LaTeX. This is important to
prevent the final output from being more an more indented. See the
`latext-test/src/Example` test case for a sample of this.
* Support associated types in class declarations (but not yet defaults)
* Several small issues for producing compiling LaTeX;
- avoid empy `\haddockbeginargs` lists (ex: `type family Any`)
- properly escape identifiers depending on context (ex: `Int#`)
- add `vbox` around `itemize`/`enumerate` (so they can be in tables)
* Several spacing fixes:
- limit the width of `Pretty`-arranged monospaced code
- cut out extra space characters in export lists
- only escape spaces if there are _multiple_ spaces
- allow type signatures to be multiline (even without docs)
* Remove uninteresting and repetitive `main.tex`/`haddock.sty` files
from `latex-test` test reference output.
Fixes #935, #929 (LaTeX docs for `text` build & compile)
Fixes #727, #930 (I think both are really about type families...)
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`markupWarning` often processes inputs which span across paragraphs.
Unfortunately, LaTeX's `emph` is not made to handle this (and will
crash).
Fixes #936.
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* default methods now get rendered differently
* default associated types get rendered
* fix a forgotten `s/TypeSig/ClassOpSig/` refactor in LaTeX backend
* LaTeX backend now renders default method signatures
NB: there is still no way to document default class members and the
NB: LaTeX backend still crashes on associated types
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The information about whether or not there is a source-level `forall`
is already available on a `ConDecl` (as `con_forall`), so we should use
it instead of always assuming `False`!
Fixes #1002.
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Fixes #992
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* don't forget to print explicit `forall`'s when there are arg docs
* when printing an explicit `forall`, print all tyvars
Fixes #973
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* '(<|>)' and '`elem`' now get parsed and rendered properly as links
* 'DbModule'/'DbUnitId' now properly get split apart into two links
* tuple names now get parsed properly
* some more small niceties...
The identifier parsing code is more precise and more efficient (although to be
fair: it is also longer and in its own module). On the rendering side, we need
to pipe through information about backticks/parens/neither all the way through
from renaming to the backends.
In terms of impact: a total of 35 modules in the entirety of the bootlib + ghc
lib docs change. The only "regression" is things like '\0'. These should be
changed to @\\0@ (the path by which this previously worked seems accidental).
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(cherry picked from commit a7d1d8e034d25612d5d08ed8fdbf6f472aded4a1)
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The getGADTConTypeG used HsRecTy, which is at odds with GHC issue #18782.
I noticed that getGADTConTypeG was only used in the Hoogle backend.
Interestingly, when handling H98 constructors, Hoogle converts RecCon to
PrefixCon (see Haddock.Backends.Hoogle.ppCtor).
So I changed getGADTConTypeG to handle RecConGADT in the same manner as
PrefixConGADT, and after this simplification moved it into the 'where'
clause of ppCtor, to the only place where it is used.
The practical effect of this change is as follows.
Consider this example:
data TestH98 = T98 { bar::Int }
data TestGADT where
TG :: { foo :: Int } -> TestGADT
Before this patch, haddock --hoogle used to produce:
T98 :: Int -> TestH98
[TG] :: {foo :: Int} -> TestGADT
Notice how the record syntax was discarded in T98 but not TG.
With this patch, we always produce signatures without record syntax:
T98 :: Int -> TestH98
[TG] :: Int -> TestGADT
I suspect this might also be a bugfix, as currently Hoogle doesn't seem
to render GADT record constructors properly.
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because they will be soon be added to -Wall.
See https://gitlab.haskell.org/ghc/ghc/-/issues/15656
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Needed for !4417, the fix for GHC#15706 and GHC#18914.
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Previously we were ignoring multiplicity and displayed
a %1 -> b as a -> b.
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As this does not build on GHC `master`.
This reverts commit 7936692badfe38f23ae95b51fb7bd7c2ff7e9bce.
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because they will be soon be added to -Wall.
See https://gitlab.haskell.org/ghc/ghc/-/issues/15656
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Update for changes in GHC's Pretty
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These changes accompany ghc/ghc!4107, which aims to be a fix
for #16762.
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Needed for GHC#18844.
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