[Tooling] Add -x flags when inferring compile commands for files with no/invalid extension.

Summary: We treat them as headers, as the motivating case is C++ standard library.

Reviewers: kadircet

S

[Tooling] Add -x flags when inferring compile commands for files with no/invalid extension.

Summary: We treat them as headers, as the motivating case is C++ standard library.

Reviewers: kadircet

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61633

llvm-svn: 360153

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[Tooling] add a Heuristic field indicating that a CompileCommand was guessed.

Summary:
Use cases:
- a tool that dumps the heuristic used for each header in a project can
be used to evaluate chan

[Tooling] add a Heuristic field indicating that a CompileCommand was guessed.

Summary:
Use cases:
- a tool that dumps the heuristic used for each header in a project can
be used to evaluate changes to the heuristic
- we want to expose this information to users in clangd as it affects
accuracy/reliability of editor features
- express interpolation tests more directly

Reviewers: ilya-biryukov, klimek

Subscribers: ioeric, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D60194

llvm-svn: 357770

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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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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 build bots after a mistake in r341760

llvm-svn: 341761

[Tooling] Improve handling of CL-style options

This patch fixes the handling of clang-cl options in InterpolatingCompilationDatabase.
They were previously ignored completely, which led to a lot of b

[Tooling] Improve handling of CL-style options

This patch fixes the handling of clang-cl options in InterpolatingCompilationDatabase.
They were previously ignored completely, which led to a lot of bugs:

Additional options were being added with the wrong syntax. E.g. a file was
specified as C++ by adding -x c++, which causes an error in CL mode.

The args were parsed and then rendered, which means that the aliasing information
was lost. E.g. /W4 was rendered to -Wall, which in CL mode means -Weverything.

CL options were ignored when checking things like -std=, so a lot of logic was
being bypassed.

Differential Revision: https://reviews.llvm.org/D51321

llvm-svn: 341760

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Parse compile commands lazily in InterpolatingCompilationDatabase

Summary:
This greatly reduces the time to read 'compile_commands.json'.
For Chromium on my machine it's now 0.7 seconds vs 30 second

Parse compile commands lazily in InterpolatingCompilationDatabase

Summary:
This greatly reduces the time to read 'compile_commands.json'.
For Chromium on my machine it's now 0.7 seconds vs 30 seconds before the
change.

Reviewers: sammccall, jfb

Reviewed By: sammccall

Subscribers: mgrang, jfb, cfe-commits

Differential Revision: https://reviews.llvm.org/D51314

llvm-svn: 340838

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[Tooling] Correct the "-std" compile command option.

Summary:
"-std c++11" is not valid in compiler, we have to use "-std=c++11".

Test in vscode with this patch, code completion for header works as

[Tooling] Correct the "-std" compile command option.

Summary:
"-std c++11" is not valid in compiler, we have to use "-std=c++11".

Test in vscode with this patch, code completion for header works as expected.

Reviewers: sammccall

Subscribers: cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D45512

llvm-svn: 329786

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[Tooling] fix UB when interpolating compile commands with an empty index

llvm-svn: 329685

[Tooling] A CompilationDatabase wrapper that infers header commands.

Summary:
The wrapper finds the closest matching compile command using filename heuristics
and makes minimal tweaks so it can be u

[Tooling] A CompilationDatabase wrapper that infers header commands.

Summary:
The wrapper finds the closest matching compile command using filename heuristics
and makes minimal tweaks so it can be used with the header.

Subscribers: klimek, mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D45006

llvm-svn: 329580

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