[lldb] Rename Logging.h to LLDBLog.h and clean up includes

Most of our code was including Log.h even though that is not where the
"lldb" log channel is defined (Log.h defines the generic logging
inf

[lldb] Rename Logging.h to LLDBLog.h and clean up includes

Most of our code was including Log.h even though that is not where the
"lldb" log channel is defined (Log.h defines the generic logging
infrastructure). This worked because Log.h included Logging.h, even
though it should.

After the recent refactor, it became impossible the two files include
each other in this direction (the opposite inclusion is needed), so this
patch removes the workaround that was put in place and cleans up all
files to include the right thing. It also renames the file to LLDBLog to
better reflect its purpose.

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[lldb] Convert "LLDB" log channel to the new API

[llvm] Cleanup header dependencies in ADT and Support

The cleanup was manual, but assisted by "include-what-you-use". It consists in

1. Removing unused forward declaration. No impact expected.
2. R

[llvm] Cleanup header dependencies in ADT and Support

The cleanup was manual, but assisted by "include-what-you-use". It consists in

1. Removing unused forward declaration. No impact expected.
2. Removing unused headers in .cpp files. No impact expected.
3. Removing unused headers in .h files. This removes implicit dependencies and
is generally considered a good thing, but this may break downstream builds.
I've updated llvm, clang, lld, lldb and mlir deps, and included a list of the
modification in the second part of the commit.
4. Replacing header inclusion by forward declaration. This has the same impact
as 3.

Notable changes:

- llvm/Support/TargetParser.h no longer includes llvm/Support/AArch64TargetParser.h nor llvm/Support/ARMTargetParser.h
- llvm/Support/TypeSize.h no longer includes llvm/Support/WithColor.h
- llvm/Support/YAMLTraits.h no longer includes llvm/Support/Regex.h
- llvm/ADT/SmallVector.h no longer includes llvm/Support/MemAlloc.h nor llvm/Support/ErrorHandling.h

You may need to add some of these headers in your compilation units, if needs be.

As an hint to the impact of the cleanup, running

clang++ -E -Iinclude -I../llvm/include ../llvm/lib/Support/*.cpp -std=c++14 -fno-rtti -fno-exceptions | wc -l

before: 8000919 lines
after: 7917500 lines

Reduced dependencies also helps incremental rebuilds and is more ccache
friendly, something not shown by the above metric :-)

Discourse thread on the topic: https://llvm.discourse.group/t/include-what-you-use-include-cleanup/5831

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[LLDB] Fix setting of success in Socket::Close()

Both close and closesocket should return 0 on success so using !! looks incorrect. I replaced this will a more readable == 0 check.

Differential Rev

[LLDB] Fix setting of success in Socket::Close()

Both close and closesocket should return 0 on success so using !! looks incorrect. I replaced this will a more readable == 0 check.

Differential Revision: https://reviews.llvm.org/D116768

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[lldb] [Host/ConnectionFileDescriptor] Refactor to improve code reuse

Refactor ConnectionFileDescriptor to improve code reuse for different
types of sockets. Unify method naming.

While at it, remo

[lldb] [Host/ConnectionFileDescriptor] Refactor to improve code reuse

Refactor ConnectionFileDescriptor to improve code reuse for different
types of sockets. Unify method naming.

While at it, remove some (now-)dead code from Socket.

Differential Revision: https://reviews.llvm.org/D112495

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[lldb] [Host/Socket] Make DecodeHostAndPort() return a dedicated struct

Differential Revision: https://reviews.llvm.org/D112629

Revert "[lldb] [Host/ConnectionFileDescriptor] Refactor to improve code reuse"

This reverts commit e1acadb61dfc0810656219c6314019d5132f2c61.

[lldb] [Host/ConnectionFileDescriptor] Refactor to improve code reuse

Refactor ConnectionFileDescriptor to improve code reuse for different
types of sockets. Unify method naming.

While at it, remo

[lldb] [Host/ConnectionFileDescriptor] Refactor to improve code reuse

Refactor ConnectionFileDescriptor to improve code reuse for different
types of sockets. Unify method naming.

While at it, remove some (now-)dead code from Socket.

Differential Revision: https://reviews.llvm.org/D112495

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[lldb] [Host] Move port predicate-related logic to gdb-remote

Remove the port predicate from Socket and ConnectionFileDescriptor,
and move it to gdb-remote. It is specifically relevant to the threa

[lldb] [Host] Move port predicate-related logic to gdb-remote

Remove the port predicate from Socket and ConnectionFileDescriptor,
and move it to gdb-remote. It is specifically relevant to the threading
used inside gdb-remote and with the new port callback API, we can
reliably move it there. While at it, switch from the custom Predicate
to std::promise/std::future.

Differential Revision: https://reviews.llvm.org/D112357

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[lldb] Remove some anonymous namespaces

.. and reduce the scope of others. They don't follow llvm coding
standards (which say they should be used only when the same effect
cannot be achieved with th

[lldb] Remove some anonymous namespaces

.. and reduce the scope of others. They don't follow llvm coding
standards (which say they should be used only when the same effect
cannot be achieved with the static keyword), and they set a bad example.

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[lldb] [Host] Refactor Socket::DecodeHostAndPort() to use LLVM API

Refactor Socket::DecodeHostAndPort() to use LLVM API over redundant
LLDB API. In particular, this means llvm::Regex, llvm::Error r

[lldb] [Host] Refactor Socket::DecodeHostAndPort() to use LLVM API

Refactor Socket::DecodeHostAndPort() to use LLVM API over redundant
LLDB API. In particular, this means llvm::Regex, llvm::Error return
type and llvm::to_integer().

While at it, change the port type from int32_t to uint16_t. The method
never returns any value outside this range, and using the correct type
allows us to rely on getAsInteger()'s implicit overflow check.

Differential Revision: https://reviews.llvm.org/D110391

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Revert "[lldb] [Host] Refactor Socket::DecodeHostAndPort() to use LLVM API"

This reverts commit a6daf99228bc16fb7f2596d67a0d00fef327ace5. It causes
buildbot regressions, I'll investigate.

[lldb] [Host] Refactor Socket::DecodeHostAndPort() to use LLVM API

Refactor Socket::DecodeHostAndPort() to use LLVM API over redundant
LLDB API. In particular, this means llvm::Regex, llvm::Error r

[lldb] [Host] Refactor Socket::DecodeHostAndPort() to use LLVM API

Refactor Socket::DecodeHostAndPort() to use LLVM API over redundant
LLDB API. In particular, this means llvm::Regex, llvm::Error return
type and llvm::to_integer().

While at it, change the port type from int32_t to uint16_t. The method
never returns any value outside this range, and using the correct type
allows us to rely on getAsInteger()'s implicit overflow check.

Differential Revision: https://reviews.llvm.org/D110391

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[lldb][NFC] Use C++ versions of the deprecated C standard library headers

The C headers are deprecated so as requested in D102845, this is replacing them
all with their (not deprecated) C++ equivale

[lldb][NFC] Use C++ versions of the deprecated C standard library headers

The C headers are deprecated so as requested in D102845, this is replacing them
all with their (not deprecated) C++ equivalent.

Reviewed By: shafik

Differential Revision: https://reviews.llvm.org/D103084

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[lldb/Host] Modernize some socket functions

return Expected<Socket> instead of a Status object plus a Socket*&
argument.

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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[lldb][NFC] Fix all formatting errors in .cpp file headers

Summary:
A *.cpp file header in LLDB (and in LLDB) should like this:
```
//===-- TestUtilities.cpp ----------------------------------------

[lldb][NFC] Fix all formatting errors in .cpp file headers

Summary:
A *.cpp file header in LLDB (and in LLDB) should like this:
```
//===-- TestUtilities.cpp -------------------------------------------------===//
```
However in LLDB most of our source files have arbitrary changes to this format and
these changes are spreading through LLDB as folks usually just use the existing
source files as templates for their new files (most notably the unnecessary
editor language indicator `-*- C++ -*-` is spreading and in every review
someone is pointing out that this is wrong, resulting in people pointing out that this
is done in the same way in other files).

This patch removes most of these inconsistencies including the editor language indicators,
all the different missing/additional '-' characters, files that center the file name, missing
trailing `===//` (mostly caused by clang-format breaking the line).

Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere

Reviewed By: JDevlieghere

Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D73258

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[lldb/Host] Use cmakedefine01 for LLDB_ENABLE_POSIX

Rename LLDB_DISABLE_POSIX to LLDB_ENABLE_POSIX and use cmakedefine01 for
consistency.

refactor: move IOObject::m_should_close_fd into subclasses

Summary:
m_should_close_fd doesn't need to be in IOObject. It will be useful
for my next change to move it down into File and Socket.

Re

refactor: move IOObject::m_should_close_fd into subclasses

Summary:
m_should_close_fd doesn't need to be in IOObject. It will be useful
for my next change to move it down into File and Socket.

Reviewers: labath, JDevlieghere, jasonmolenda

Reviewed By: JDevlieghere

Subscribers: lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D68152

llvm-svn: 373126

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[LLDB] Cast -1 (as invalid socket) to the socket type before comparing

This silences warnings about comparison of integers between unsigned
long long (which is what the Windows SOCKET type is) and s

[LLDB] Cast -1 (as invalid socket) to the socket type before comparing

This silences warnings about comparison of integers between unsigned
long long (which is what the Windows SOCKET type is) and signed int
when building in MinGW mode.

Differential Revision: https://reviews.llvm.org/D67863

llvm-svn: 372486

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[lldb] Fix log statement in Socket::Write

We change num_bytes in this method, so this doesn't actually
log the parameter that we called the function with. No test
as we don't test logging code.

llv

[lldb] Fix log statement in Socket::Write

We change num_bytes in this method, so this doesn't actually
log the parameter that we called the function with. No test
as we don't test logging code.

llvm-svn: 370887

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[Utility] Reimplement RegularExpression on top of llvm::Regex

Originally I wanted to remove the RegularExpression class in Utility and
replace it with llvm::Regex. However, during that transition I

[Utility] Reimplement RegularExpression on top of llvm::Regex

Originally I wanted to remove the RegularExpression class in Utility and
replace it with llvm::Regex. However, during that transition I noticed
that there are several places where need the regular expression string.
So instead I propose to keep the RegularExpression class and make it a
thin wrapper around llvm::Regex.

This patch also removes the workaround for empty regular expressions.
The result is that we are now (more or less) POSIX conformant.

Differential revision: https://reviews.llvm.org/D66174

llvm-svn: 369153

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[LLDB] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of

[LLDB] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.

Differential revision: https://reviews.llvm.org/D66259

llvm-svn: 368933

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[Logging] Replace Log::Printf with LLDB_LOG macro (NFC)

This patch replaces explicit calls to log::Printf with the new LLDB_LOGF
macro. The macro is similar to LLDB_LOG but supports printf-style for

[Logging] Replace Log::Printf with LLDB_LOG macro (NFC)

This patch replaces explicit calls to log::Printf with the new LLDB_LOGF
macro. The macro is similar to LLDB_LOG but supports printf-style format
strings, instead of formatv-style format strings.

So instead of writing:

if (log)
log->Printf("%s\n", str);

You'd write:

LLDB_LOG(log, "%s\n", str);

This change was done mechanically with the command below. I replaced the
spurious if-checks with vim, since I know how to do multi-line
replacements with it.

find . -type f -name '*.cpp' -exec \
sed -i '' -E 's/log->Printf\(/LLDB_LOGF\(log, /g' "{}" +

Differential revision: https://reviews.llvm.org/D65128

llvm-svn: 366936

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Fix LLDB warnings when compiling with Clang 8.0

Differential Revision: https://reviews.llvm.org/D62021

llvm-svn: 361295