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Try to avoid excess layer of indirection when possible.
p.s. Remove a call to raw_string_ostream::flush() which is a no-op.
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(#81061)
This patch provides more information to the
`PPCallbacks::InclusionDirective()` hook. We now always pass the
suggested module, regardless of whether it was actually imported or not.
The extra `bool ModuleImported` parameter then denotes whether the
header `#include` will be automatically translated into import the the
module.
The main change is in `clang/lib/Lex/PPDirectives.cpp`, where we take
care to not modify `SuggestedModule` after it's been populated by
`LookupHeaderIncludeOrImport()`. We now exclusively use the `SM`
(`ModuleToImport`) variable instead, which has been equivalent to
`SuggestedModule` until now. This allows us to use the original
non-modified `SuggestedModule` for the callback itself.
(This patch turns out to be necessary for
https://github.com/apple/llvm-project/pull/8011).
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The needed tweaks are mostly trivial, the one nasty bit is Clang's usage
of OptionalStorage. To keep this working old Optional stays around as
clang::CustomizableOptional, with the default Storage removed.
Optional<File/DirectoryEntryRef> is replaced with a typedef.
I tested this with GCC 7.5, the oldest supported GCC I had around.
Differential Revision: https://reviews.llvm.org/D140332
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std::optional"
This reverts commit 8f0df9f3bbc6d7f3d5cbfd955c5ee4404c53a75d.
The Optional*RefDegradesTo*EntryPtr types want to keep the same size as
the underlying type, which std::optional doesn't guarantee. For use with
llvm::Optional, they define their own storage class, and there is no way
to do that in std::optional.
On top of that, that commit broke builds with older GCCs, where
std::optional was not trivially copyable (static_assert in the clang
sources was failing).
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With C++17 there is no Clang pedantic warning or MSVC C5051.
Reviewed By: aaron.ballman
Differential Revision: https://reviews.llvm.org/D131346
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This patch changes type of the `File` parameter in `PPCallbacks::InclusionDirective()` from `const FileEntry *` to `Optional<FileEntryRef>`.
With the API change in place, this patch then removes some uses of the deprecated `FileEntry::getName()` (e.g. in `DependencyGraph.cpp` and `ModuleDependencyCollector.cpp`).
Reviewed By: dexonsmith, bnbarham
Differential Revision: https://reviews.llvm.org/D123574
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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Remove the included Parse header because CodeGen should not depend on Parse.
Instead, include the Lex headers that it needs instead.
llvm-svn: 347727
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Summary: So we can keep that not-so-great logic in one place.
Reviewers: rsmith, aaron.ballman
Reviewed By: rsmith
Subscribers: nemanjai, kbarton, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D53837
llvm-svn: 345594
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This commit relands r331904.
Adding a SrcMgr::CharacteristicKind parameter to the InclusionDirective
in PPCallbacks, and updating calls to that function. This will be useful
in https://reviews.llvm.org/D43778 to determine which includes are
system
headers.
Differential Revision: https://reviews.llvm.org/D46614
llvm-svn: 332021
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This reverts commit r331904 because of a memory leak.
llvm-svn: 331932
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Adding a SrcMgr::CharacteristicKind parameter to the InclusionDirective
in PPCallbacks, and updating calls to that function. This will be useful
in https://reviews.llvm.org/D43778 to determine which includes are system
headers.
Differential Revision: https://reviews.llvm.org/D46614
llvm-svn: 331904
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rename Arguments to Parameters in Macro Definitions.
- Extracted the reading of the tokens out into a separate function.
- Replace 'Argument' with 'Parameter' when referring to the identifiers of the macro definition (as opposed to the supplied arguments - MacroArgs - during the macro invocation).
This is in preparation for submitting patches for review to implement __VA_OPT__ which will otherwise just keep lengthening the HandleDefineDirective function and making it less comprehensible.
I will also directly update some extra clang tooling that is broken by the change from Argument to Parameter.
Hopefully the bots will stay appeased.
Thanks!
llvm-svn: 308190
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in clang's extra tooling (such as clang-tidy etc.).
Sorry about that.
llvm-svn: 308158
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rename Arguments to Parameters in Macro Definitions.
- Extracted the reading of the tokens out into a separate function.
- Replace 'Argument' with 'Parameter' when referring to the identifiers of the macro definition (as opposed to the supplied arguments - MacroArgs - during the macro invocation).
This is in preparation for submitting patches for review to implement __VA_OPT__ which will otherwise just keep lengthening the HandleDefineDirective function and making it less comprehensible.
Thanks!
llvm-svn: 308157
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llvm-svn: 301470
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llvm-svn: 294680
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llvm-svn: 294676
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preprocessor macros.
Added "-fdebug-macro" flag (and "-fno-debug-macro" flag) to enable (and to disable) emitting macro debug info.
Added CC1 "-debug-info-macro" flag that enables emitting macro debug info.
Differential Revision: https://reviews.llvm.org/D16135
llvm-svn: 294637
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