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To check whether a given module has been imported, we do the following:
From the list of all qualified names we extract the distinct module
names to a list of module names.
Then we check whether the given module name is in this list of module
names.
Test Plan: make test TEST=T14225
Reviewers: mpickering, hvr, monoidal, osa1, bgamari
Reviewed By: bgamari
Subscribers: rwbarton, carter
GHC Trac Issues: #14225
Differential Revision: https://phabricator.haskell.org/D5331
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Summary:
The patch https://phabricator.haskell.org/D5284
didn't respect the local naming conventions in module
compiler/rename/RnUnbound.hs:
- Top level functions names are written in camelCase.
- Local function names in where clauses are written as names_with_underscores.
This patch restores these conventions.
Test Plan: make test TESTS="T15611a T15611b"
Reviewers: DavidEichmann, monoidal, hvr, mpickering, bgamari
Reviewed By: mpickering
Subscribers: rwbarton, carter
GHC Trac Issues: #15611
Differential Revision: https://phabricator.haskell.org/D5308
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Summary:
For the error message:
Not in scope X.Y
Module X does not export Y
No module named ‘X’ is imported:
there are 2 cases, where we don't show the last "no module named is imported" line:
1. If the module X has been imported.
2. If the module X is the current module. There are 2 subcases:
2.1 If the unknown module name is in a input source file,
then we can use the getModule function to get the current module name.
2.2 If the unknown module name has been entered by the user in GHCi,
then the getModule function returns something like "interactive:Ghci1",
and we have to check the current module in the last added entry of
the HomePackageTable.
Test Plan: make test TESTS="T15611a T15611b"
Reviewers: monoidal, hvr, thomie, dfeuer, bgamari, DavidEichmann
Reviewed By: monoidal, DavidEichmann
Subscribers: rwbarton, carter
GHC Trac Issues: #15611
Differential Revision: https://phabricator.haskell.org/D5284
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Most out of scope errors get reported by the type checker these
days, but not all. Example, the function on the LHS of a RULE.
Trace #15659 pointed out that this less-heavily-used code path
produce a "wacky" error message. Indeed so. Easily fixed.
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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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Summary:
RnEnv contains functions which convertn RdrNames into Names.
RnUnbound contains helper functions for reporting and creating
unbound variables.
RnFixity contains code which maintains the fixity environent
whilst renaming.
RnUtils contains the other stuff in RnEnv.
Reviewers: austin, goldfire, bgamari
Subscribers: goldfire, rwbarton, thomie, snowleopard
Differential Revision: https://phabricator.haskell.org/D3436
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