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It fixes the case when Objective-C framework is added as a subframework
through a symlink. When parent framework infers a module map and fails
to detect a symlink, it would add a subframework as a submodule. And
when we parse module map for the subframework, we would encounter an
error like
> error: umbrella for module 'WithSubframework.Foo' already covers this directory
By implementing `getRealPath` "an egregious but useful hack" in
`ModuleMap::inferFrameworkModule` works as expected.
rdar://problem/45821279
Reviewers: bruno, benlangmuir, erik.pilkington
Reviewed By: bruno
Subscribers: hiraditya, dexonsmith, JDevlieghere, cfe-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D54245
llvm-svn: 347009
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This reverts commit r346453.
This is a complex change to a widely-used interface, and was not reviewed.
llvm-svn: 346500
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Add an optional argument to expand tildes in the path to mirror llvm's
implementation of the corresponding function.
llvm-svn: 346453
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Expose the `llvm::sys::fs::is_local` function through the VFS.
Differential revision: https://reviews.llvm.org/D54127
llvm-svn: 346372
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The "regular" file system has a useful feature that makes it possible to
stop recursing when using the recursive directory iterators. This
functionality was missing for the VFS recursive iterator and this patch
adds that.
Differential revision: https://reviews.llvm.org/D53465
llvm-svn: 345793
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&& has higher priority than ||, so this assert works really oddly. Add
parens to match the programmer's intent.
Change-Id: I3abe1361ee0694462190c5015779db664012f3d4
llvm-svn: 345543
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Default property value 'true' preserves current behavior. Value 'false' can be
used to create VFS "root", file system that gives better control over which
files compiler can use during compilation as there are no unpredictable
accesses to real file system.
Non-fallthrough use case changes how we treat multiple VFS overlay
files. Instead of all of them being at the same level just above a real
file system, now they are nested and subsequent overlays can refer to
files in previous overlays.
rdar://problem/39465552
Reviewers: bruno, benlangmuir
Reviewed By: bruno
Subscribers: dexonsmith, cfe-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D50539
llvm-svn: 345431
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'ignore-non-existent-contents' stopped working after r342232 in a way
that the actual attribute value isn't used and it works as if it is
always `true`.
Common use case for VFS iteration is iterating through files in umbrella
directories for modules. Ability to detect if some VFS entries point to
non-existing files is nice but non-critical. Instead of adding back
support for `'ignore-non-existent-contents': false` I am removing the
attribute, because such scenario isn't used widely enough and stricter
checks don't provide enough value to justify the maintenance.
Change is done both in LLVM and Clang, corresponding Clang commit is r345212.
rdar://problem/45176119
Reviewers: bruno
Reviewed By: bruno
Subscribers: hiraditya, dexonsmith, sammccall, cfe-commits
Differential Revision: https://reviews.llvm.org/D53228
llvm-svn: 345213
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This patch moves the virtual file system form clang to llvm so it can be
used by more projects.
Concretely the patch:
- Moves VirtualFileSystem.{h|cpp} from clang/Basic to llvm/Support.
- Moves the corresponding unit test from clang to llvm.
- Moves the vfs namespace from clang::vfs to llvm::vfs.
- Formats the lines affected by this change, mostly this is the result of
the added llvm namespace.
RFC on the mailing list:
http://lists.llvm.org/pipermail/llvm-dev/2018-October/126657.html
Differential revision: https://reviews.llvm.org/D52783
llvm-svn: 344140
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