[clang] Make deprecations of some `FileManager` APIs formal (#110014)

Some `FileManager` APIs still return `{File,Directory}Entry` instead of
the preferred `{File,Directory}EntryRef`. These are doc

[clang] Make deprecations of some `FileManager` APIs formal (#110014)

Some `FileManager` APIs still return `{File,Directory}Entry` instead of
the preferred `{File,Directory}EntryRef`. These are documented to be
deprecated, but don't have the attribute that warns on their usage. This
PR marks them as such with `LLVM_DEPRECATED()` and replaces their usage
with the recommended counterparts. NFCI.

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[clang] Don't call raw_string_ostream::flush() (NFC)

Don't call raw_string_ostream::flush(), which is essentially a no-op.
As specified in the docs, raw_string_ostream is always unbuffered

[llvm][clang] Move RewriterBuffer to ADT. (#99770)

These classes are not specific to clang and useful for other rewriter
tools (flagged in previous review).

[clang] NFCI: Use `FileEntryRef` for `FileID` creation (#67838)

This patch removes the `SourceManager` APIs that create `FileID` from a
`const FileEntry *` in favor of APIs that take `FileEntryRef`

[clang] NFCI: Use `FileEntryRef` for `FileID` creation (#67838)

This patch removes the `SourceManager` APIs that create `FileID` from a
`const FileEntry *` in favor of APIs that take `FileEntryRef`. This also
removes a misleading documentation that claims `nullptr` file entry
represents stdin. I don't think that's right, since we just try to
dereference that pointer anyways.

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Reapply "[clang] NFCI: Adopt `SourceManager::getFileEntryRefForID()`"

This reapplies ddbcc10b9e26b18f6a70e23d0611b9da75ffa52f, except for a tiny part that was reverted separately: 65331da0032ab4253a

Reapply "[clang] NFCI: Adopt `SourceManager::getFileEntryRefForID()`"

This reapplies ddbcc10b9e26b18f6a70e23d0611b9da75ffa52f, except for a tiny part that was reverted separately: 65331da0032ab4253a4bc0ddcb2da67664bd86a9. That will be reapplied later on, since it turned out to be more involved.

This commit is enabled by 5523fefb01c282c4cbcaf6314a9aaf658c6c145f and f0f548a65a215c450d956dbcedb03656449705b9, specifically the part that makes 'clang-tidy/checkers/misc/header-include-cycle.cpp' separator agnostic.

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Revert "[clang] NFCI: Adopt `SourceManager::getFileEntryRefForID()`"

This reverts commit ddbcc10b9e26b18f6a70e23d0611b9da75ffa52f.

The 'clang-tidy/checkers/misc/header-include-cycle.cpp' test start

Revert "[clang] NFCI: Adopt `SourceManager::getFileEntryRefForID()`"

This reverts commit ddbcc10b9e26b18f6a70e23d0611b9da75ffa52f.

The 'clang-tidy/checkers/misc/header-include-cycle.cpp' test started failing on Windows: https://lab.llvm.org/buildbot/#/builders/216/builds/26855.

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[clang] NFCI: Adopt `SourceManager::getFileEntryRefForID()`

This commit replaces some calls to the deprecated `FileEntry::getName()` with `FileEntryRef::getName()` by swapping current usages of `Sou

[clang] NFCI: Adopt `SourceManager::getFileEntryRefForID()`

This commit replaces some calls to the deprecated `FileEntry::getName()` with `FileEntryRef::getName()` by swapping current usages of `SourceManager::getFileEntryForID()` with `SourceManager::getFileEntryRefForID()`. This lowers the number of usages of the deprecated `FileEntry::getName()` from 95 to 50.

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Fixed a number of typos

I went over the output of the following mess of a command:

(ulimit -m 2000000; ulimit -v 2000000; git ls-files -z |
parallel --xargs -0 cat | aspell list --mode=none --igno

Fixed a number of typos

I went over the output of the following mess of a command:

(ulimit -m 2000000; ulimit -v 2000000; git ls-files -z |
parallel --xargs -0 cat | aspell list --mode=none --ignore-case |
grep -E '^[A-Za-z][a-z]*$' | sort | uniq -c | sort -n |
grep -vE '.{25}' | aspell pipe -W3 | grep : | cut -d' ' -f2 | less)

and proceeded to spend a few days looking at it to find probable typos
and fixed a few hundred of them in all of the llvm project (note, the
ones I found are not anywhere near all of them, but it seems like a
good start).

Differential Revision: https://reviews.llvm.org/D130827

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[clang] Don't use Optional::hasValue (NFC)

This patch replaces Optional::hasValue with the implicit cast to bool
in conditionals only.

Revert "Don't use Optional::hasValue (NFC)"

This reverts commit aa8feeefd3ac6c78ee8f67bf033976fc7d68bc6d.

Don't use Optional::hasValue (NFC)

Tooling: Migrate to FileEntryRef in clang::tooling::applyAllReplacements, NFC

Migrate to the `FileEntryRef` overload of `SourceManager::createFileID`.

Make llvm::StringRef to std::string conversions explicit.

This is how it should've been and brings it more in line with
std::string_view. There should be no functional change here.

This is mostly m

Make llvm::StringRef to std::string conversions explicit.

This is how it should've been and brings it more in line with
std::string_view. There should be no functional change here.

This is mostly mechanical from a custom clang-tidy check, with a lot of
manual fixups. It uncovers a lot of minor inefficiencies.

This doesn't actually modify StringRef yet, I'll do that in a follow-up.

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[clang] Adopt new FileManager error-returning APIs

Update the callers of FileManager::getFile and FileManager::getDirectory to handle the new llvm::ErrorOr-returning methods.

Signed-off-by: Harlan

[clang] Adopt new FileManager error-returning APIs

Update the callers of FileManager::getFile and FileManager::getDirectory to handle the new llvm::ErrorOr-returning methods.

Signed-off-by: Harlan Haskins <harlan@apple.com>
llvm-svn: 367616

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Switch to cantFail(), since it does the same assertion.

Reviewers: cfe-commits, lhames

Reviewed By: lhames

Subscribers: hintonda, klimek, pirama

Differential Revision: https://reviews.llvm.org/D3

Switch to cantFail(), since it does the same assertion.

Reviewers: cfe-commits, lhames

Reviewed By: lhames

Subscribers: hintonda, klimek, pirama

Differential Revision: https://reviews.llvm.org/D36806

llvm-svn: 353318

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Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the ne

Update the file headers across all of the LLVM projects in the monorepo
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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Lift VFS from clang to llvm (NFC)

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

Lift VFS from clang to llvm (NFC)

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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llvm::sort(C.begin(), C.end(), ...) -> llvm::sort(C, ...)

Summary: The convenience wrapper in STLExtras is available since rL342102.

Reviewers: rsmith, #clang, dblaikie

Reviewed By: rsmith, #clang

llvm::sort(C.begin(), C.end(), ...) -> llvm::sort(C, ...)

Summary: The convenience wrapper in STLExtras is available since rL342102.

Reviewers: rsmith, #clang, dblaikie

Reviewed By: rsmith, #clang

Subscribers: mgrang, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D52576

llvm-svn: 343147

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Fix typos in clang

Found via codespell -q 3 -I ../clang-whitelist.txt
Where whitelist consists of:

archtype
cas
classs
checkk
compres
definit
frome
iff
inteval
ith
lod
metho

Fix typos in clang

Found via codespell -q 3 -I ../clang-whitelist.txt
Where whitelist consists of:

archtype
cas
classs
checkk
compres
definit
frome
iff
inteval
ith
lod
methode
nd
optin
ot
pres
statics
te
thru

Patch by luzpaz! (This is a subset of D44188 that applies cleanly with a few
files that have dubious fixes reverted.)

Differential revision: https://reviews.llvm.org/D44188

llvm-svn: 329399

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[clang] Change std::sort to llvm::sort in response to r327219

r327219 added wrappers to std::sort which randomly shuffle the container before
sorting. This will help in uncovering non-determinism c

[clang] Change std::sort to llvm::sort in response to r327219

r327219 added wrappers to std::sort which randomly shuffle the container before
sorting. This will help in uncovering non-determinism caused due to undefined
sorting order of objects having the same key.

To make use of that infrastructure we need to invoke llvm::sort instead of
std::sort.

llvm-svn: 328636

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[Tooling] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC).

llvm-svn: 327573

Switch to consumeError(), since this can crash otherwise.

Summary:
If assertions are disabled, but LLVM_ABI_BREAKING_CHANGES is enabled,
this will cause an issue with an unchecked Success. Switching

Switch to consumeError(), since this can crash otherwise.

Summary:
If assertions are disabled, but LLVM_ABI_BREAKING_CHANGES is enabled,
this will cause an issue with an unchecked Success. Switching to
consumeError() is the correct way to bypass the check.

Reviewers: llvm-commits, cfe-commits, arphaman

Reviewed By: arphaman

Subscribers: arphaman, klimek, pirama

Differential Revision: https://reviews.llvm.org/D36728

llvm-svn: 310958

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Make llvm::Error generated from replacement interfaces more specific.

Summary:
The new error information contains the type of error (e.g. overlap or bad file path)
and the replacement(s) that is cau

Make llvm::Error generated from replacement interfaces more specific.

Summary:
The new error information contains the type of error (e.g. overlap or bad file path)
and the replacement(s) that is causing the error. This enables us to resolve some errors.
For example, for insertion at the same location conflict, we need to know the
existing replacement which conflicts with the new replacement in order to calculate
the new position to be insert before/after the existing replacement (for merging).

Reviewers: klimek, bkramer

Subscribers: djasper, cfe-commits

Differential Revision: https://reviews.llvm.org/D26853

llvm-svn: 287639

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Deduplicate replacements by FileEntry instead of file names.

Summary:
The current version does not deduplicate equivalent file paths correctly.
For example, a relative path and an absolute path are

Deduplicate replacements by FileEntry instead of file names.

Summary:
The current version does not deduplicate equivalent file paths correctly.
For example, a relative path and an absolute path are considered inequivalent.
Comparing FileEnry addresses these issues.

Reviewers: djasper

Subscribers: alexshap, klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D26288

llvm-svn: 286096

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Remove redundant calls to std::string::data()

Reviewers: aaron.ballman, mehdi_amini, dblaikie

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D26276

llvm-svn: 285

Remove redundant calls to std::string::data()

Reviewers: aaron.ballman, mehdi_amini, dblaikie

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D26276

llvm-svn: 285899

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