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* [Logging] Replace Log::Printf with LLDB_LOG macro (NFC)Jonas Devlieghere2019-07-241-7/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Revert "Revert "Implement xfer:libraries-svr4:read packet""Antonio Afonso2019-07-231-0/+1
| | | | | | This reverts commit 08c38f77c5fb4d3735ec215032fed8ee6730b3db. llvm-svn: 366847
* Revert "Implement xfer:libraries-svr4:read packet"Pavel Labath2019-07-011-1/+0
| | | | | | | | | | | | | | | | | | | D62502, together with D62503 have broken the builds which have XML support enabled. Reverting D62503 (r364355) fixed that, but has broken has left some of the tests introduced by D62502 broken more or less nondeternimistically (it depended on whether the system happens to place the library list near unreadable pages of memory). I attempted to make a partial fix for this in r364748, but Jan Kratochvil pointed out that this reintroduces the problem which reverting D62503 was trying to solve. So instead, I back out the whole thing so we can get back to a clean slate that works for everyone. We can figure out a way forward from there. This reverts r364748, r363772 and r363707. llvm-svn: 364751
* Implement xfer:libraries-svr4:read packetAntonio Afonso2019-06-181-0/+1
| | | | | | | | | | | | | | | | | | | Summary: This is the fourth patch to improve module loading in a series that started here (where I explain the motivation and solution): D62499 Implement the `xfer:libraries-svr4` packet by adding a new function that generates the list and then in Handle_xfer I generate the XML for it. The XML is really simple so I'm just using string concatenation because I believe it's more readable than having to deal with a DOM api. Reviewers: clayborg, xiaobai, labath Reviewed By: labath Subscribers: emaste, mgorny, srhines, krytarowski, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D62502 llvm-svn: 363707
* Simplify ArchSpec::IsMIPS()Fangrui Song2019-05-161-5/+1
| | | | llvm-svn: 360865
* gdb-remote: reduce some inclusion of Target/Process.hSaleem Abdulrasool2019-05-021-1/+1
| | | | | | | Reduce the inclusion of Target/Process.h to help isolate why Process is being preserved during the build of `lldb-server`. llvm-svn: 359811
* [NFC] Remove ASCII lines from commentsJonas Devlieghere2019-04-101-4/+0
| | | | | | | | | | | | | | | | | | | | | | | A lot of comments in LLDB are surrounded by an ASCII line to delimit the begging and end of the comment. Its use is not really consistent across the code base, sometimes the lines are longer, sometimes they are shorter and sometimes they are omitted. Furthermore, it looks kind of weird with the 80 column limit, where the comment actually extends past the line, but not by much. Furthermore, when /// is used for Doxygen comments, it looks particularly odd. And when // is used, it incorrectly gives the impression that it's actually a Doxygen comment. I assume these lines were added to improve distinguishing between comments and code. However, given that todays editors and IDEs do a great job at highlighting comments, I think it's worth to drop this for the sake of consistency. The alternative is fixing all the inconsistencies, which would create a lot more churn. Differential revision: https://reviews.llvm.org/D60508 llvm-svn: 358135
* Refactor user/group name resolving codePavel Labath2019-03-041-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This creates an abstract base class called "UserIDResolver", which can be implemented to provide user/group ID resolution capabilities for various objects. Posix host implement a PosixUserIDResolver, which does that using posix apis (getpwuid and friends). PlatformGDBRemote forwards queries over the gdb-remote link, etc. ProcessInstanceInfo class is refactored to make use of this interface instead of taking a platform pointer as an argument. The base resolver class already implements caching and thread-safety, so implementations don't have to worry about that. The main motivating factor for this was to remove external dependencies from the ProcessInstanceInfo class (so it can be put next to ProcessLaunchInfo and friends), but it has other benefits too: - ability to test the user name caching code - ability to test ProcessInstanceInfo dumping code - consistent interface for user/group resolution between Platform and Host classes. Reviewers: zturner, clayborg, jingham Subscribers: mgorny, lldb-commits Differential Revision: https://reviews.llvm.org/D58167 llvm-svn: 355323
* Have Stream::PutCStringAsRawHex8 take llvm::StringRefPavel Labath2019-02-121-16/+16
| | | | | | | | | This enables the function to be called with a StringRef without jumping through any hoops. I rename the function to "PutStringAsRawHex8" to honor the extended interface. I also remove ".c_str()" from any calls to this function I could find. llvm-svn: 353841
* [lldb-server] Improve support on WindowsAaron Smith2019-02-071-33/+28
| | | | | | | | | | | | | | | | | | | | | | | | Summary: This commit contains the following changes: - Rewrite vfile close/read/write packet handlers with portable routines from lldb. This removes #if(s) and allows the handlers to work on Windows. - Fix a bug in File::Write. This is intended to write data at an offset to a file but actually writes at the current position of the file. - Add a default boolean argument 'should_close_fd' to FileSystem::Open to let the user decide whether to close the fd or not. Reviewers: zturner, llvm-commits, labath Reviewed By: zturner Subscribers: Hui, labath, abidh, lldb-commits Differential Revision: https://reviews.llvm.org/D56231 llvm-svn: 353446
* Move FileAction, ProcessInfo and ProcessLaunchInfo from Target to HostPavel Labath2019-02-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Summary: These classes describe the details of the process we are about to launch, and so they are naturally used by the launching code in the Host module. Previously they were present in Target because that is the most important (but by far not the only) user of the launching code. Since the launching code has other customers, must of which do not care about Targets, it makes sense to move these classes to the Host layer, next to the launching code. This move reduces the number of times that Target is included from host to 8 (it used to be 14). Reviewers: zturner, clayborg, jingham, davide, teemperor Subscribers: emaste, mgorny, lldb-commits Differential Revision: https://reviews.llvm.org/D56602 llvm-svn: 353047
* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-191-4/+3
| | | | | | | | | | | | | | | | | 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
* Remove header grouping comments.Jonas Devlieghere2018-11-111-4/+0
| | | | | | | | This patch removes the comments grouping header includes. They were added after running IWYU over the LLDB codebase. However they add little value, are often outdates and burdensome to maintain. llvm-svn: 346626
* [File] Remove static method to get permissions.Jonas Devlieghere2018-11-011-4/+4
| | | | | | | This patch removes the static accessor in File to get a file's permissions. Permissions should be checked through the FileSystem class. llvm-svn: 345901
* [FileSystem] Move path resolution logic out of FileSpecJonas Devlieghere2018-11-011-13/+26
| | | | | | | | | This patch removes the logic for resolving paths out of FileSpec and updates call sites to rely on the FileSystem class instead. Differential revision: https://reviews.llvm.org/D53915 llvm-svn: 345890
* [FileSystem] Extend file system and have it use the VFS.Jonas Devlieghere2018-10-311-1/+1
| | | | | | | | | | | | | | | | This patch extends the FileSystem class with a bunch of functions that are currently implemented as methods of the FileSpec class. These methods will be removed in future commits and replaced by calls to the file system. The new functions are operated in terms of the virtual file system which was recently moved from clang into LLVM so it could be reused in lldb. Because the VFS is stateful, we turned the FileSystem class into a singleton. Differential revision: https://reviews.llvm.org/D53532 llvm-svn: 345783
* Move SafeMachO from Utility to HostPavel Labath2018-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | Summary: One of the conclusions of the discussion on D49740 was that SafeMachO is better off in the Host module (as that's the only place which should include mach/machine.h, which is what this header is working around). Also, Utility, which is the only module which cannot include Host, should not be doing anything with object file formats. This patch implements that move, and also removes any unneded includes of that file. I've verified that MacOS still compiles after this. Reviewers: jingham, zturner, teemperor Subscribers: fedor.sergeev, lldb-commits Differential Revision: https://reviews.llvm.org/D50383 llvm-svn: 342050
* Use llvm::VersionTuple instead of manual version marshallingPavel Labath2018-06-181-13/+4
| | | | | | | | | | | | | | | | | | Summary: This has multiple advantages: - we need only one function argument/instance variable instead of three - no need to default initialize variables - no custom parsing code - VersionTuple has comparison operators, which makes version comparisons much simpler Reviewers: zturner, friss, clayborg, jingham Subscribers: emaste, lldb-commits Differential Revision: https://reviews.llvm.org/D47889 llvm-svn: 334950
* [FileSpec] Make style argument mandatory for SetFile. NFCJonas Devlieghere2018-06-131-2/+4
| | | | | | | | | | | | | | | | SetFile has an optional style argument which defaulted to the native style. This patch makes that argument mandatory so clients of the FileSpec class are forced to think about the correct syntax. At the same time this introduces a (protected) convenience method to update the file from within the FileSpec class that keeps the current style. These two changes together prevent a potential pitfall where the style might be forgotten, leading to the path being updated and the style unintentionally being changed to the host style. llvm-svn: 334663
* Convert all RunShellCommand functions to use the Timeout classPavel Labath2018-05-101-4/+3
| | | | | | | this completes the Timeout migration started in r331880 with the Predicate class. llvm-svn: 331970
* Reflow paragraphs in comments.Adrian Prantl2018-04-301-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is intended as a clean up after the big clang-format commit (r280751), which unfortunately resulted in many of the comment paragraphs in LLDB being very hard to read. FYI, the script I used was: import textwrap import commands import os import sys import re tmp = "%s.tmp"%sys.argv[1] out = open(tmp, "w+") with open(sys.argv[1], "r") as f: header = "" text = "" comment = re.compile(r'^( *//) ([^ ].*)$') special = re.compile(r'^((([A-Z]+[: ])|([0-9]+ )).*)|(.*;)$') for line in f: match = comment.match(line) if match and not special.match(match.group(2)): # skip intentionally short comments. if not text and len(match.group(2)) < 40: out.write(line) continue if text: text += " " + match.group(2) else: header = match.group(1) text = match.group(2) continue if text: filled = textwrap.wrap(text, width=(78-len(header)), break_long_words=False) for l in filled: out.write(header+" "+l+'\n') text = "" out.write(line) os.rename(tmp, sys.argv[1]) Differential Revision: https://reviews.llvm.org/D46144 llvm-svn: 331197
* Move Args::StringTo*** functions to a new OptionArgParser classPavel Labath2018-04-101-2/+2
| | | | | | | | | | | | | | | | Summary: The idea behind this is to move the functionality which depend on other lldb classes into a separate class. This way, the Args class can be turned into a lightweight arc+argv wrapper and moved into the lower lldb layers. Reviewers: jingham, zturner Subscribers: lldb-commits Differential Revision: https://reviews.llvm.org/D44306 llvm-svn: 329677
* Move StringExtractorGDBRemote.h to the include folderPavel Labath2018-03-201-1/+1
| | | | | | | | While trying to use this header I noticed that it is not in the include folder. Move it to there and update all #includes to reference that file correctly. llvm-svn: 327996
* Fix the cputype comparison in ↵Jason Molenda2018-02-051-1/+5
| | | | | | | | | GDBRemoteCommunicationServerCommon::Handle_qHostInfo to use Mach-O cpu types instead of the ArchSpec enum value, and handle the case of bridgeos. llvm-svn: 324287
* Add Utility/Environment class for handling... environmentsPavel Labath2018-01-101-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: There was some confusion in the code about how to represent process environment. Most of the code (ab)used the Args class for this purpose, but some of it used a more basic StringList class instead. In either case, the fact that the underlying abstraction did not provide primitive operations for the typical environment operations meant that even a simple operation like checking for an environment variable value was several lines of code. This patch adds a separate Environment class, which is essentialy a llvm::StringMap<std::string> in disguise. To standard StringMap functionality, it adds a couple of new functions, which are specific to the environment use case: - (most important) envp conversion for passing into execve() and likes. Instead of trying to maintain a constantly up-to-date envp view, it provides a function which creates a envp view on demand, with the expectation that this will be called as the very last thing before handing the value to the system function. - insert(StringRef KeyEqValue) - splits KeyEqValue into (key, value) pair and inserts it into the environment map. - compose(value_type KeyValue) - takes a map entry and converts in back into "KEY=VALUE" representation. With this interface most of the environment-manipulating code becomes one-liners. The only tricky part was maintaining compatibility in SBLaunchInfo, which expects that the environment entries are accessible by index and that the returned const char* is backed by the launch info object (random access into maps is hard and the map stores the entry in a deconstructed form, so we cannot just return a .c_str() value). To solve this, I have the SBLaunchInfo convert the environment into the "envp" form, and use it to answer the environment queries. Extra code is added to make sure the envp version is always in sync. (This also improves the layering situation as Args was in the Interpreter module whereas Environment is in Utility.) Reviewers: zturner, davide, jingham, clayborg Subscribers: emaste, lldb-commits, mgorny Differential Revision: https://reviews.llvm.org/D41359 llvm-svn: 322174
* Invert ArchSpec<->Platform dependencyPavel Labath2017-10-311-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: ArchSpec::SetTriple was taking a Platform as an argument, and used it to fill in missing pieces of the specified triple. I invert the dependency by moving this code to other classes. For this purpose, I've created three new functions. - HostInfo::GetAugmentedArchSpec: fills in the triple using the host platform (this used to be implemented by passing a null platform pointer). By putting this code in the Host module, we can provide a way to anyone who does not have a platform instance (lldb-server) an easy way to get Host data. - Platform::GetAugmentedArchSpec: if you have a platform instance, you can call this to let it fill in the triple. - static Platform::GetAugmentedArchSpec: implements the "if platform == 0 then use_host() else use_platform()" part. Reviewers: zturner, jingham, clayborg Subscribers: mgorny, javed.absar, lldb-commits Differential Revision: https://reviews.llvm.org/D39387 llvm-svn: 316987
* Add a NativeProcessProtocol Factory classPavel Labath2017-07-071-7/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This replaces the static functions used for creating NativeProcessProtocol instances with a factory pattern, and modernizes the interface of the new class in the process -- I use llvm::Expected instead of the Status+value combo. I also move some of the common code (like the Delegate registration into the base class). The new arrangement has multiple benefits: - it removes the NativeProcess*** dependency from Process/gdb-remote (which for example means that liblldb no longer pulls in this code). - it enables unit testing of the GDBRemoteCommunicationServerLLGS class (by providing a mock Native Process). - serves as another example on how to use the llvm::Expected class (I couldn't get rid of the Initialize-type functions completely here because of the use of shared_from_this, but that's the next thing on my list here) Tests still pass on Linux and I've made sure NetBSD compiles after this. Reviewers: zturner, eugene, krytarowski Subscribers: srhines, lldb-commits, mgorny Differential Revision: https://reviews.llvm.org/D33778 llvm-svn: 307390
* Update StructuredData::String to return StringRefs.Zachary Turner2017-05-121-4/+5
| | | | | | | | It was returning const std::string& which was leading to unnecessary copies all over the place, and preventing people from doing things like Dict->GetValueForKeyAsString("foo", ref); llvm-svn: 302875
* Rename Error -> Status.Zachary Turner2017-05-121-8/+8
| | | | | | | | | | | | | | | This renames the LLDB error class to Status, as discussed on the lldb-dev mailing list. A change of this magnitude cannot easily be done without find and replace, but that has potential to catch unwanted occurrences of common strings such as "Error". Every effort was made to find all the obvious things such as the word "Error" appearing in a string, etc, but it's possible there are still some lingering occurences left around. Hopefully nothing too serious. llvm-svn: 302872
* Fix warnings from clang build on macOS.Bruce Mitchener2017-03-231-1/+0
| | | | | | | | | | Reviewers: lldb-commits Subscribers: lldb-commits Differential Revision: https://reviews.llvm.org/D31279 llvm-svn: 298585
* Delete some more dead includes.Zachary Turner2017-03-221-1/+0
| | | | | | | This breaks the cycle between Target and PluginLanguageC++, reducing the overall cycle count from 43 to 42. llvm-svn: 298561
* Enable AUXV and QPassSignals in gdb-remote for NetBSDKamil Rytarowski2017-03-211-1/+1
| | | | | | | | | | | | | | | | | | | | | Summary: NetBSD is an ELF platform and it uses Elf Auxiliary Vector like Linux and other modern BSDs. While there enable QPassSignals for the NetBSD port as well. Sponsored by <The NetBSD Foundation> Reviewers: labath, kettenis, joerg, emaste Reviewed By: labath Subscribers: #lldb Tags: #lldb Differential Revision: https://reviews.llvm.org/D31146 llvm-svn: 298407
* Resubmit r298334 after fixing OSX build errors.Zachary Turner2017-03-211-7/+8
| | | | | | | Hopefully this works, I can't test since I don't have Mac hardware, however. llvm-svn: 298340
* Revert r298334 until Zachary has a chance to fix the buildbot failureJason Molenda2017-03-211-8/+7
| | | | | | on macosx. llvm-svn: 298338
* Delete various lldb FileSystem functions.Zachary Turner2017-03-211-7/+8
| | | | | | | | Use LLVM's equivalent versions instead. Differential Revision: https://reviews.llvm.org/D31111 llvm-svn: 298334
* Delete LLDB's MD5 code. Use LLVM instead.Zachary Turner2017-03-201-7/+7
| | | | | | Differential Revision: https://reviews.llvm.org/D31108 llvm-svn: 298325
* Remove FileSystem::Get/SetFilePermissionsZachary Turner2017-03-191-2/+3
| | | | | | Differential Revision: https://reviews.llvm.org/D31089 llvm-svn: 298205
* Remove FileSystem::MakeDirectory.Zachary Turner2017-03-191-1/+1
| | | | | | | | Have callers use llvm::sys::fs::create_directory() instead. Differential Revision: https://reviews.llvm.org/D31086 llvm-svn: 298203
* Move many other files from Core -> Utility.Zachary Turner2017-03-061-1/+1
| | | | llvm-svn: 297043
* Move Log from Core -> Utility.Zachary Turner2017-03-031-1/+1
| | | | | | | | | All references to Host and Core have been removed, so this class can now safely be lowered into Utility. Differential Revision: https://reviews.llvm.org/D30559 llvm-svn: 296909
* Implement QPassSignals GDB package in lldb-serverPavel Labath2017-02-241-0/+1
| | | | | | | | | | | | | | | Summary: QPassSignals package allows lldb client to tell lldb-server to ignore certain types of signals and re-inject them back to inferior without stopping execution. Reviewers: jmajors, labath Subscribers: danalbert, srhines, emaste, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D30286 Author: Eugene Zemtsov <ezemtsov@google.com> llvm-svn: 296101
* Fix a couple of corner cases in NameMatchesPavel Labath2017-02-201-9/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | Summary: I originally set out to move the NameMatches closer to the relevant function and add some unit tests. However, in the process I've found a couple of bugs in the implementation: - the early exits where not always correct: - (test==pattern) does not mean the match will always suceed because of regular expressions - pattern.empty() does not mean the match will fail because the "" is a valid prefix of any string So I cleaned up those and added some tests. The only tricky part here was that regcomp() implementation on darwin did not recognise the empty string as a regular expression and returned an REG_EMPTY error instead. The simples fix here seemed to be to replace the empty expression with an equivalent non-empty one. Reviewers: clayborg, zturner Subscribers: mgorny, lldb-commits Differential Revision: https://reviews.llvm.org/D30094 llvm-svn: 295651
* Remove dependencies from Utility to Core and Target.Zachary Turner2017-02-141-1/+1
| | | | | | | | | | With this patch, the only dependency left is from Utility to Host. After this is broken, Utility will finally be standalone. Differential Revision: https://reviews.llvm.org/D29909 llvm-svn: 295088
* Move classes from Core -> Utility.Zachary Turner2017-02-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | This moves the following classes from Core -> Utility. ConstString Error RegularExpression Stream StreamString The goal here is to get lldbUtility into a state where it has no dependendencies except on itself and LLVM, so it can be the starting point at which to start untangling LLDB's dependencies. These are all low level and very widely used classes, and previously lldbUtility had dependencies up to lldbCore in order to use these classes. So moving then down to lldbUtility makes sense from both the short term and long term perspective in solving this problem. Differential Revision: https://reviews.llvm.org/D29427 llvm-svn: 293941
* Don't allow direct access to StreamString's internal buffer.Zachary Turner2016-11-161-1/+2
| | | | | | | | | | | | | | | This is a large API change that removes the two functions from StreamString that return a std::string& and a const std::string&, and instead provide one function which returns a StringRef. Direct access to the underlying buffer violates the concept of a "stream" which is intended to provide forward only access, and makes porting to llvm::raw_ostream more difficult in the future. Differential Revision: https://reviews.llvm.org/D26698 llvm-svn: 287152
* Fix Clang-tidy readability-redundant-string-cstr warningsMalcolm Parsons2016-11-021-10/+7
| | | | | | | | | | Reviewers: zturner, labath Subscribers: tberghammer, danalbert, lldb-commits Differential Revision: https://reviews.llvm.org/D26233 llvm-svn: 285855
* [LLDB][MIPS] Fix qProcessInfo to return correct pointer size based on ELF ABINitesh Jain2016-10-121-7/+6
| | | | | | | | | | Reviewers: clayborg, labath Subscribers: jaydeep, bhushan, slthakur, lldb-commits Differential Revision: https://reviews.llvm.org/D25021 llvm-svn: 284001
* Fix more functions in Args to use StringRef.Zachary Turner2016-09-191-4/+4
| | | | | | | | | | | | | | | This patch also marks the const char* versions as =delete to prevent their use. This has the potential to cause build breakages on some platforms which I can't compile. I have tested on Windows, Linux, and OSX. Best practices for fixing broken callsites are outlined in Args.h in a comment above the deleted function declarations. Eventually we can remove these =delete declarations, but for now they are important to make sure that all implicit conversions from const char * are manually audited to make sure that they do not invoke a conversion from nullptr. llvm-svn: 281919
* gdb-remote: Add jModulesInfo packetPavel Labath2016-09-081-14/+85
| | | | | | | | | | | | | | | | | | | | | Summary: This adds the jModulesInfo packet, which is the equivalent of qModulesInfo, but it enables us to query multiple modules at once. This makes a significant speed improvement in case the application has many (over a hundred) modules, and the communication link has a non-negligible latency. This functionality is accessed by ProcessGdbRemote::PrefetchModuleSpecs(), which does the caching. GetModuleSpecs() is modified to first consult the cache before asking the remote stub. PrefetchModuleSpecs is currently only called from POSIX-DYLD dynamic loader plugin, after it reads the list of modules from the inferior memory, but other uses are possible. This decreases the attach time to an android application by about 40%. Reviewers: clayborg Subscribers: tberghammer, lldb-commits, danalbert Differential Revision: https://reviews.llvm.org/D24236 llvm-svn: 280919
* *** This commit represents a complete reformatting of the LLDB source codeKate Stone2016-09-061-1042/+988
| | | | | | | | | | | | | | | | | | | | | | | *** to conform to clang-format’s LLVM style. This kind of mass change has *** two obvious implications: Firstly, merging this particular commit into a downstream fork may be a huge effort. Alternatively, it may be worth merging all changes up to this commit, performing the same reformatting operation locally, and then discarding the merge for this particular commit. The commands used to accomplish this reformatting were as follows (with current working directory as the root of the repository): find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} + find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ; The version of clang-format used was 3.9.0, and autopep8 was 1.2.4. Secondly, “blame” style tools will generally point to this commit instead of a meaningful prior commit. There are alternatives available that will attempt to look through this change and find the appropriate prior commit. YMMV. llvm-svn: 280751
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