Revert "Rename llvm::array_lengthof into llvm::size to match std::size from C++17"

This reverts commit ef8206320769ad31422a803a0d6de6077fd231d2.

- It conflicts with the existing llvm::size in STLEx

Revert "Rename llvm::array_lengthof into llvm::size to match std::size from C++17"

This reverts commit ef8206320769ad31422a803a0d6de6077fd231d2.

- It conflicts with the existing llvm::size in STLExtras, which will now
never be called.
- Calling it without llvm:: breaks C++17 compat

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Rename llvm::array_lengthof into llvm::size to match std::size from C++17

As a conquence move llvm::array_lengthof from STLExtras.h to
STLForwardCompat.h (which is included by STLExtras.h so no buil

Rename llvm::array_lengthof into llvm::size to match std::size from C++17

As a conquence move llvm::array_lengthof from STLExtras.h to
STLForwardCompat.h (which is included by STLExtras.h so no build
breakage expected).

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Explicitly include <cassert> when using assert

Depending on the OS used, a module-enabled build can fail due to the
special handling <cassert> gets as textual header.

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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Fix for PR21254 - Assertion in comment parser

The size of the ID field in CommandInfo was narrow, leading to potential
wrap-around of command IDs, causing misinterpretation later on.
The patch does

Fix for PR21254 - Assertion in comment parser

The size of the ID field in CommandInfo was narrow, leading to potential
wrap-around of command IDs, causing misinterpretation later on.
The patch does the following:
- It extends the ID bitfield from 8 to 20 bits.
- It provides a DRY definition of the number of bits for the field to
avoid using literal numbers in different files.
- It introduces a new assertion that checks for the wrap-around.
- It adds the testcase from PR21254.

llvm-svn: 219802

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[C++11] Use 'nullptr'. AST edition.

llvm-svn: 208517

Fix dead store and simplify. No functionality change (although the code is now
correct if MaxEditDistance were increased to something greater than 1).

llvm-svn: 203153

Use llvm::array_lengthof to replace sizeof(array)/sizeof(array[0]).

llvm-svn: 186300

[doc parsing]: make single character command impostures
warn in pedantic mode.

llvm-svn: 181523

[doc parsing]: So, in this patch, single character
'commands' will not go through typo fixit logic,
preserving the old behavior (no typo, no diagnostics).
// rdar://12381408

llvm-svn: 181521

[doc parsing]: don't attempt to fix single character
commands (\t \n are common). \\ rdar://12381408

llvm-svn: 181517

[doc parsing]: Also do typo correction for
dynamically registered commands.
// rdar://12381408

llvm-svn: 181477

documentation parsing. Patch to do typo correction for
documentation commands. Patch was reviewed, along with
great suggestions for improvement, by Doug.
// rdar://12381408

llvm-svn: 181458

Comment parsing: add CommentOptions to allow specifying custom comment block commands

Add an ability to specify custom documentation block comment commands via a new
class CommentOptions. The inten

Comment parsing: add CommentOptions to allow specifying custom comment block commands

Add an ability to specify custom documentation block comment commands via a new
class CommentOptions. The intention is that this class will hold future
customizations for comment parsing, including defining documentation comments
with specific numbers of parameters, etc.

CommentOptions instance is a member of LangOptions.

CommentOptions is controlled by a new command-line parameter
-fcomment-block-commands=Foo,Bar,Baz.

llvm-svn: 175892

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Comment parsing: handle non-builtin commands correctly. After semantic
analysis registers a command, it becomes a "known" command for the lexer, since
it has an ID. Having this freedom of choice to

Comment parsing: handle non-builtin commands correctly. After semantic
analysis registers a command, it becomes a "known" command for the lexer, since
it has an ID. Having this freedom of choice to register a command is a good
thing since BriefParser does not need this.

But the parser should still invoke the correct semantic analysis method
(actOnUnknownCommand) in this case.

llvm-svn: 163646

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Fix buffer overflow.

llvm-svn: 163578

Comment AST: TableGen'ize all command lists in CommentCommandTraits.cpp.

Now we have a list of all commands. This is a good thing in itself, but it
also enables us to easily implement typo correcti

Comment AST: TableGen'ize all command lists in CommentCommandTraits.cpp.

Now we have a list of all commands. This is a good thing in itself, but it
also enables us to easily implement typo correction for command names.

With this change we have objects that contain information about each command,
so it makes sense to resolve command name just once during lexing (currently we
store command names as strings and do a linear search every time some property
value is needed). Thus comment token and AST nodes were changed to contain a
command ID -- index into a tables of builtin and registered commands. Unknown
commands are registered during parsing and thus are also uniformly assigned an
ID. Using an ID instead of a StringRef is also a nice memory optimization
since ID is a small integer that fits into a common bitfield in Comment class.

This change implies that to get any information about a command (even a command
name) we need a CommandTraits object to resolve the command ID to CommandInfo*.
Currently a fresh temporary CommandTraits object is created whenever it is
needed since it does not have any state. But with this change it has state --
new commands can be registered, so a CommandTraits object was added to
ASTContext.

Also, in libclang CXComment has to be expanded to include a CXTranslationUnit
so that all functions working on comment AST nodes can get a CommandTraits
object. This breaks binary compatibility of CXComment APIs.

Now clang_FullComment_getAsXML(CXTranslationUnit TU, CXComment CXC) doesn't
need TU parameter anymore, so it was removed. This is a source-incompatible
change for this C API.

llvm-svn: 163540

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CommentCommandTraits: rename BeginName -> StartName for consistency.

llvm-svn: 162044

Comment to HTML and XML conversion: ignore commands that contain a declaration
as their argument. For example, \fn, \function, \typedef, \method, \class etc.

llvm-svn: 161601

Comment parsing: extract TableGen'able pieces into new CommandTraits class.

llvm-svn: 161548