[lldb-dev] LLDB and Swift

[Todd Fiala via lldb-dev]

Thanks, Kamil!

-Todd

> On Dec 3, 2015, at 5:02 PM, Kamil Rytarowski <n54 at gmx.com> wrote:
> 
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> Very nice. Congrats on your release!
> 
>> On 04.12.2015 00:03, Todd Fiala via lldb-dev wrote:
>> Hi all,
>> 
>> Earlier today, you may have heard that Swift went open source over 
>> at swift.org <http://swift.org/>.  I just wanted to take a moment
>> to mention the Swift debugger and REPL and how they relate to
>> LLDB.
>> 
>> Swift’s Debugger and REPL are built on LLDB’s source-level plug-in 
>> architecture.  As such, the Swift Debugger repository at
>> github.com/apple/swift-lldb <http://github.com/apple/swift-lldb>
>> naturally contains the LLDB source from llvm.org
>> <http://llvm.org/>’s LLDB repository, plus additions for Swift
>> language support. We merge regularly and make every attempt to 
>> minimize our differences with llvm.org <http://llvm.org/>’s LLDB.
>> For more information on how we’re handling this, have a look at
>> swift.org/contributing/#llvm-and-swift 
>> <http://swift.org/contributing/#llvm-and-swift>.
>> 
>> As we’ve worked hard to make it straightforward to develop
>> additive-only language support in LLDB, the Swift support can
>> readily be found by finding the new files in the swift-lldb
>> repository vs. those found at llvm.org/svn/llvm-project/lldb/trunk 
>> <http://llvm.org/svn/llvm-project/lldb/trunk/>.  For the rest of
>> the LLDB files in common, we do still have a small number of diffs 
>> in github.com/apple/swift-lldb <http://github.com/apple/swift-lldb>
>> vs. llvm.org <http://llvm.org/> TOT.  We will work through
>> upstreaming these quickly.  I’ll touch on some of those differences
>> briefly here:
>> 
>> * Several minor places where full language abstraction hasn’t yet 
>> occurred, where we’re explicitly checking for Swift-related
>> details. Abstracting out those remaining places and providing the
>> hooks in llvm.org <http://llvm.org/> LLDB will benefit all
>> languages.
>> 
>> * Printed-form version string handling.  The ‘lldb -v’ and ‘(lldb) 
>> version’ commands create a different version string in both Xcode
>> and cmake-based Swift LLDB.  We will work to incorporate this into
>> llvm.org <http://llvm.org/> LLDB once the language/component
>> version support info is properly abstracted out.
>> 
>> * Test infrastructure.  There are a few places where Swift
>> language support (e.g. swift compiler flags, runtime support
>> directories, etc.) are added in order to enable building
>> Swift-based test inferiors.  We may be able to rearrange things to
>> make those language-specific additions more readily pluggable in
>> the core LLDB test runner.
>> 
>> We look forward to upstreaming the differences in common files in
>> the coming days and weeks.
>> 
>> Please feel free to contact me if you have any questions.
>> 
>> Thanks!
>> 
>> -Todd
>> 
>> 
>> _______________________________________________ lldb-dev mailing
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