| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Austin Seipp <austin@well-typed.com>
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In some cases, the layout of the LANGUAGE/OPTIONS_GHC lines has been
reorganized, while following the convention, to
- place `{-# LANGUAGE #-}` pragmas at the top of the source file, before
any `{-# OPTIONS_GHC #-}`-lines.
- Moreover, if the list of language extensions fit into a single
`{-# LANGUAGE ... -#}`-line (shorter than 80 characters), keep it on one
line. Otherwise split into `{-# LANGUAGE ... -#}`-lines for each
individual language extension. In both cases, try to keep the
enumeration alphabetically ordered.
(The latter layout is preferable as it's more diff-friendly)
While at it, this also replaces obsolete `{-# OPTIONS ... #-}` pragma
occurences by `{-# OPTIONS_GHC ... #-}` pragmas.
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I was tracking down an error looking like
Prelude.(!!): index too large
which is very unhelpful. This patch replaces at least some uses
of (!!) in GHC with getNth, which has a more helpful error
message (with DEBUG anyway)
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Conflicts:
compiler/coreSyn/CoreLint.lhs
compiler/deSugar/DsBinds.lhs
compiler/hsSyn/HsTypes.lhs
compiler/iface/IfaceType.lhs
compiler/rename/RnHsSyn.lhs
compiler/rename/RnTypes.lhs
compiler/stgSyn/StgLint.lhs
compiler/typecheck/TcHsType.lhs
compiler/utils/ListSetOps.lhs
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We only use it for "compiler" sources, i.e. not for libraries.
Many modules have a -fno-warn-tabs kludge for now.
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It's needed in ghc/InteractiveUI, although not in the compiler itself
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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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mapAccumL and mapAccumR are in Data.List now.
mapAccumB is unused.
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Push this further along, and fix build problems in the first patch.
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Most of the other users of the fptools build system have migrated to
Cabal, and with the move to darcs we can now flatten the source tree
without losing history, so here goes.
The main change is that the ghc/ subdir is gone, and most of what it
contained is now at the top level. The build system now makes no
pretense at being multi-project, it is just the GHC build system.
No doubt this will break many things, and there will be a period of
instability while we fix the dependencies. A straightforward build
should work, but I haven't yet fixed binary/source distributions.
Changes to the Building Guide will follow, too.
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