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Summary:
Add prettyprinter tests, which take a file, parse it, pretty print it,
re-parse the pretty printed version and then compare the original and
new ASTs (ignoring locations)
Updates haddock submodule to match the AST changes.
There are three issues outstanding
1. Extra parens around a context are not reproduced. This will require an
AST change and will be done in a separate patch.
2. Currently if an `HsTickPragma` is found, this is not pretty-printed,
to prevent noise in the output.
I am not sure what the desired behaviour in this case is, so have left
it as before. Test Ppr047 is marked as expected fail for this.
3. Apart from in a context, the ParsedSource AST keeps all the parens from
the original source. Something is happening in the renamer to remove the
parens around visible type application, causing T12530 to fail, as the
dumped splice decl is after the renamer.
This needs to be fixed by keeping the parens, but I do not know where they
are being removed. I have amended the test to pass, by removing the parens
in the expected output.
Test Plan: ./validate
Reviewers: goldfire, mpickering, simonpj, bgamari, austin
Reviewed By: simonpj, bgamari
Subscribers: simonpj, goldfire, thomie, mpickering
Differential Revision: https://phabricator.haskell.org/D2752
GHC Trac Issues: #3384
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Summary:
MatchFixity was introduced to facilitate use of API Annotations.
HsMatchContext does the same thing with more detail, but is chased
through all over the place to provide context when processing a Match.
Since we already have MatchFixity in the Match, it may as well provide
the full context.
updates submodule haddock
Test Plan: ./validate
Reviewers: austin, goldfire, bgamari
Subscribers: thomie, mpickering
Differential Revision: https://phabricator.haskell.org/D2271
GHC Trac Issues: #12105
(cherry picked from commit 306ecad591951521ac3f5888ca8be85bf749d271)
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Several things here
* GHC no longer allows user-written Typeable instances,
so remove them from hs-boot files.
* Generally, reduce the use of instances in hs-boot files. They are
hard to track. Mainly this involves using pprType, pprKind etc
instead of just ppr. There were a lot of instances in hs-boot
files that weren't needed at all.
* Take TyThing out of Eq; it was used in exactly one place (in
InteractiveEval), and equality is too big a hammer for that.
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Reviewers: austin, goldfire, bgamari
Reviewed By: bgamari
Subscribers: bgamari, thomie
Differential Revision: https://phabricator.haskell.org/D904
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Signed-off-by: Austin Seipp <austin@well-typed.com>
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