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Metric Decrease:
haddock.compiler
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Add GHC.Hs module hierarchy replacing hsSyn.
Metric Increase:
haddock.compiler
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This patch removes the ping-pong style from HsPat (only, for now),
using the plan laid out at
https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/HandlingSourceLocations (solution
A).
- the class `HasSrcSpan`, and its functions (e.g., `cL` and `dL`), are introduced
- some instances of `HasSrcSpan` are introduced
- some constructors `L` are replaced with `cL`
- some patterns `L` are replaced with `dL->L` view pattern
- some type annotation are necessarily updated (e.g., `Pat p` --> `Pat (GhcPass p)`)
Phab diff: D5036
Trac Issues #15495
Updates haddock submodule
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Docstrings don't profit from FastString's interning, so we switch to
a different type that doesn't incur this overhead.
Updates the haddock submodule.
Reviewers: alexbiehl, bgamari
Reviewed By: alexbiehl, bgamari
Subscribers: rwbarton, thomie, mpickering, carter
GHC Trac Issues: #15157
Differential Revision: https://phabricator.haskell.org/D4743
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This switches the compiler/ component to get compiled with
-XNoImplicitPrelude and a `import GhcPrelude` is inserted in all
modules.
This is motivated by the upcoming "Prelude" re-export of
`Semigroup((<>))` which would cause lots of name clashes in every
modulewhich imports also `Outputable`
Reviewers: austin, goldfire, bgamari, alanz, simonmar
Reviewed By: bgamari
Subscribers: goldfire, rwbarton, thomie, mpickering, bgamari
Differential Revision: https://phabricator.haskell.org/D3989
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The "Unhelpful" cases are now in a separate type. This allows us to
improve various things, e.g.:
* Most of the panic's in SrcLoc are now gone
* The Lexer now works with RealSrcSpans rather than SrcSpans, i.e. it
knows that it has real locations and thus can assume that the line
number etc really exists
* Some of the more suspicious cases are no longer necessary, e.g.
we no longer need this case in advanceSrcLoc:
advanceSrcLoc loc _ = loc -- Better than nothing
More improvements can probably be made, e.g. tick locations can
probably use RealSrcSpans too.
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A merge of this patch:
Mon Aug 7 16:22:14 CEST 2006 Simon Marlow <simonmar@microsoft.com>
* Add <<url>> for images
Submitted by: Lennart Augustsson
Please merge to the 6.8.2 branch.
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Older GHCs can't parse OPTIONS_GHC.
This also changes the URL referenced for the -w options from
WorkingConventions#Warnings to CodingStyle#Warnings for the compiler
modules.
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This patch refactors TcRnDriver to make the top-level structure
easier to understand.
The change was driven by Trac #924, and this patch fixes that bug.
When comparing a module against its hs-boot file, we must ensure that
the module exports everything that the hs-boot file exports.
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I rather self-indulgently spent a chunk of yesterday working on
refactoring RnNames further. The result is significantly simpler:
* A GlobalRdrElt gets an extra field, gre_par, which records
the parent (if any) of the name
* ImportAvails has two fields deleted: imp_env and imp_parent.
The information provided by these fields was only used when
processing the export list; and the same information is now readily
generated from the GlobalRdrElts in the GlobalRdrEnv
I also did some tidying up; notably moving AvailEnv stuff from
TcRnTypes to RnNames.
The result is tha the compiler is some 130 lines shorter than before
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