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* [lldb][NFC] Remove dead code that handles situations where LLDB has no dummy ↵Raphael Isemann2019-08-261-10/+5
| | | | | | | | | | | | | | | | | | | | | | target Summary: We always have a dummy target, so any error handling regarding a missing dummy target is dead code now. Also makes the CommandObject methods that return Target& to express this fact in the API. This patch just for the CommandObject part of LLDB. I'll migrate the rest of LLDB in a follow-up patch that's WIP. Reviewers: labath Reviewed By: labath Subscribers: abidh, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D66737 llvm-svn: 369939
* [Utility] Reimplement RegularExpression on top of llvm::RegexJonas Devlieghere2019-08-161-5/+2
| | | | | | | | | | | | | | | 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
* [lldb] Qualify includes of Properties[Enum].inc files. NFCJordan Rupprecht2019-07-293-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: This is a bit more explicit, and makes it possible to build LLDB without varying the -I lines per-directory. (The latter is useful because many build systems only allow this to be configured per-library, and LLDB is insufficiently layered to be split into multiple libraries on stricter build systems). (My comment on D65185 has some more context) Reviewers: JDevlieghere, labath, chandlerc, jdoerfert Reviewed By: labath Subscribers: mgorny, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D65397 Patch by Sam McCall! llvm-svn: 367241
* [lldb] Also include the array definition in Properties.incJonas Devlieghere2019-07-291-5/+3
| | | | | | | | | | | | | | | | Right now our Properties.inc only generates the initializer for the options list but not the array declaration boilerplate around it. As the array definition is identical for all arrays, we might as well also let the Properties.inc generate it alongside the initializers. Unfortunately we cannot do the same for enums, as there's this magic ePropertyExperimental, which needs to come at the end to be interpreted correctly. Hopefully we can get rid of this in the future and do the same for the property enums. Differential revision: https://reviews.llvm.org/D65353 llvm-svn: 367238
* Let tablegen generate property definitionsJonas Devlieghere2019-07-253-23/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | Property definitions are currently defined in a PropertyDefinition array and have a corresponding enum to index in this array. Unfortunately this is quite error prone. Indeed, just today we found an incorrect merge where a discrepancy between the order of the enum values and their definition caused the test suite to fail spectacularly. Tablegen can streamline the process of generating the property definition table while at the same time guaranteeing that the enums stay in sync. That's exactly what this patch does. It adds a new tablegen file for the properties, building on top of the infrastructure that Raphael added recently for the command options. It also introduces two new tablegen backends: one for the property definitions and one for their corresponding enums. It might be worth mentioning that I generated most of the tablegen definitions from the existing property definitions, by adding a dump method to the struct. This seems both more efficient and less error prone that copying everything over by hand. Only Enum properties needed manual fixup for the EnumValues and DefaultEnumValue fields. Differential revision: https://reviews.llvm.org/D65185 llvm-svn: 367058
* [Logging] Replace Log::Printf with LLDB_LOG macro (NFC)Jonas Devlieghere2019-07-241-138/+133
| | | | | | | | | | | | | | | | | | | | | | | | | | 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
* C.128 override, virtual keyword handlingRaphael Isemann2019-05-032-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: According to [C128] "Virtual functions should specify exactly one of `virtual`, `override`, or `final`", I've added override where a virtual function is overriden but the explicit `override` keyword was missing. Whenever both `virtual` and `override` were specified, I removed `virtual`. As C.128 puts it: > [...] writing more than one of these three is both redundant and > a potential source of errors. I anticipate a discussion about whether or not to add `override` to destructors but I went for it because of an example in [ISOCPP1000]. Let me repeat the comment for you here: Consider this code: ``` struct Base { virtual ~Base(){} }; struct SubClass : Base { ~SubClass() { std::cout << "It works!\n"; } }; int main() { std::unique_ptr<Base> ptr = std::make_unique<SubClass>(); } ``` If for some odd reason somebody removes the `virtual` keyword from the `Base` struct, the code will no longer print `It works!`. So adding `override` to destructors actively protects us from accidentally breaking our code at runtime. [C128]: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#c128-virtual-functions-should-specify-exactly-one-of-virtual-override-or-final [ISOCPP1000]: https://github.com/isocpp/CppCoreGuidelines/issues/1000#issuecomment-476951555 Reviewers: teemperor, JDevlieghere, davide, shafik Reviewed By: teemperor Subscribers: kwk, arphaman, kadircet, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D61440 llvm-svn: 359868
* [NFC] Remove ASCII lines from commentsJonas Devlieghere2019-04-102-44/+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
* Bring Doxygen comment syntax in sync with LLVM coding style.Adrian Prantl2019-03-111-1/+1
| | | | | | This changes '@' prefix to '\'. llvm-svn: 355841
* Pass ConstString by value (NFC)Adrian Prantl2019-03-062-17/+17
| | | | | | | | | | | | | | | | | My apologies for the large patch. With the exception of ConstString.h itself it was entirely produced by sed. ConstString has exactly one const char * data member, so passing a ConstString by reference is not any more efficient than copying it by value. In both cases a single pointer is passed. But passing it by value makes it harder to accidentally return the address of a local object. (This fixes rdar://problem/48640859 for the Apple folks) Differential Revision: https://reviews.llvm.org/D59030 llvm-svn: 355553
* Remove redundant ::get() for smart pointer. (NFC)Jonas Devlieghere2019-02-121-3/+3
| | | | | | | | This commit removes redundant calls to smart pointer’s ::get() method. https://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-smartptr-get.html llvm-svn: 353795
* Use std::make_shared in LLDB (NFC)Jonas Devlieghere2019-02-111-4/+3
| | | | | | | | | | | Unlike std::make_unique, which is only available since C++14, std::make_shared is available since C++11. Not only is std::make_shared a lot more readable compared to ::reset(new), it also performs a single heap allocation for the object and control block. Differential revision: https://reviews.llvm.org/D57990 llvm-svn: 353764
* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-192-8/+6
| | | | | | | | | | | | | | | | | 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
* [FileSystem] Move path resolution logic out of FileSpecJonas Devlieghere2018-11-011-1/+1
| | | | | | | | | 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
* Fix typos.Bruce Mitchener2018-10-041-2/+2
| | | | | | | | | | Reviewers: lldb-commits Subscribers: srhines, ki.stfu Differential Revision: https://reviews.llvm.org/D52884 llvm-svn: 343825
* Replace pointer to C-array of PropertyDefinition with llvm::ArrayRefTatyana Krasnukha2018-09-271-3/+1
| | | | | | Differential Revision: https://reviews.llvm.org/D52572 llvm-svn: 343181
* Replace "nullptr-terminated" C-arrays of OptionValueEnumeration with safer ↵Tatyana Krasnukha2018-09-261-19/+19
| | | | | | | | llvm::ArrayRef Differential Revision: https://reviews.llvm.org/D49017 llvm-svn: 343130
* Typo fixes.Bruce Mitchener2018-05-291-6/+6
| | | | | | | | | | Reviewers: javed.absar Subscribers: ki.stfu, JDevlieghere, lldb-commits Differential Revision: https://reviews.llvm.org/D47421 llvm-svn: 333399
* Reflow paragraphs in comments.Adrian Prantl2018-04-301-126/+116
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Labath2018-04-101-4/+6
| | | | | | | | | | | | | | | | 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 option parsing out of the Args classPavel Labath2018-03-091-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: The args class is used in plenty of places (a lot of them in the lower lldb layers) for representing a list of arguments, and most of these places don't care about option parsing. Moving the option parsing out of the class removes the largest external dependency (there are a couple more, but these are in static functions), and brings us closer to being able to move it to the Utility module). The new home for these functions is the Options class, which was already used as an argument to the parse calls, so this just inverts the dependency between the two. The functions are themselves are mainly just copied -- the biggest functional change I've made to them is to avoid modifying the input Args argument (getopt likes to permute the argument vector), as it was weird to have another class reorder the entries in Args class. So now the functions don't modify the input arguments, and (for those where it makes sense) return a new Args vector instead. I've also made the addition of a "fake arg0" (required for getopt compatibility) an implementation detail rather than a part of interface. While doing that I noticed that ParseForCompletion function was recording the option indexes in the shuffled vector, but then the consumer was looking up the entries in the unshuffled one. This manifested itself as us not being able to complete "watchpoint set variable foo --" (because getopt would move "foo" to the end). Surprisingly all other completions (e.g. "watchpoint set variable foo --w") were not affected by this. However, I couldn't find a comprehensive test for command argument completion, so I consolidated the existing tests and added a bunch of new ones. Reviewers: davide, jingham, zturner Subscribers: lldb-commits Differential Revision: https://reviews.llvm.org/D43837 llvm-svn: 327110
* Add Utility/Environment class for handling... environmentsPavel Labath2018-01-101-12/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* [DarwinLog] Remove other dead code. Found while reading this file.Davide Italiano2017-12-101-54/+0
| | | | llvm-svn: 320338
* Update StructuredData::String to return StringRefs.Zachary Turner2017-05-121-6/+6
| | | | | | | | 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 Turner2017-05-122-21/+24
| | | | | | | | | | | | | | | 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
* Delete some more dead includes.Zachary Turner2017-03-222-0/+2
| | | | | | | This breaks the cycle between Target and PluginLanguageC++, reducing the overall cycle count from 43 to 42. llvm-svn: 298561
* Fix another occurrence of needing to use member accessors.Zachary Turner2017-03-131-2/+2
| | | | llvm-svn: 297637
* 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
* 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
* [CMake] [4/4] Update a batch of pluginsChris Bieneman2017-01-311-3/+7
| | | | | | This is extending the updates from r293696 to more LLDB plugins. llvm-svn: 293701
* Fix a bug when using a StructuredData darwin-log pluginJason Molenda2016-12-162-1/+20
| | | | | | | | | | | where we would insert a breakpoint into a system library but never remove it, so the second time we ran the binary there would be two breakpoints and the debugger would stop there. <rdar://problem/29654974> llvm-svn: 289913
* Rewrite all Property related functions in terms of StringRef.Zachary Turner2016-11-171-2/+2
| | | | | | | | | | | | | | | This was a bit tricky, especially for things like OptionValueArray and OptionValueDictionary since they do some funky string parsing. Rather than try to re-write line-by-line I tried to make the StringRef usage idiomatic, even though it meant often re-writing from scratch large blocks of code in a different way while keeping true to the original intent. The finished code is a big improvement though, and often much shorter than the original code. All tests and unit tests pass on Windows and Linux. llvm-svn: 287242
* Don't allow direct access to StreamString's internal buffer.Zachary Turner2016-11-161-8/+6
| | | | | | | | | | | | | | | 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
* Make Options::SetOptionValue take a StringRef.Zachary Turner2016-11-121-7/+6
| | | | llvm-svn: 286723
* Convert some helper functions to use StringRef.Zachary Turner2016-11-071-16/+11
| | | | | | | | | | | | | | I will probably submit a lot of small trivial changes like this over the coming weeks. The end goal is to convert Options::SetOptionValue to take the option arg as a StringRef, but doing so in one pass would be a huge mess of disparate changes just to satisfy the compiler, and with a high risk of breaking. So I'm going to do this in small pieces, changing seemingly random things here and there until the final change to the signature of Options::SetOptionValue() can be done trivially. llvm-svn: 286088
* Fix Clang-tidy readability-redundant-string-cstr warningsMalcolm Parsons2016-11-021-4/+4
| | | | | | | | | | Reviewers: zturner, labath Subscribers: tberghammer, danalbert, lldb-commits Differential Revision: https://reviews.llvm.org/D26233 llvm-svn: 285855
* Convert some more aliasing and CI functions to StringRef.Zachary Turner2016-10-051-1/+1
| | | | llvm-svn: 283386
* Try to fix build errors on Android.Zachary Turner2016-09-221-1/+1
| | | | | | | It doesn't like the implicit conversion from T[] to ArrayRef<T> so I'm using `llvm::makeArrayRef()`. Hopefully I got everything. llvm-svn: 282195
* Convert option tables to ArrayRefs.Zachary Turner2016-09-221-104/+100
| | | | | | | | | | | | | | | | | | | | | | | | | This change is very mechanical. All it does is change the signature of `Options::GetDefinitions()` and `OptionGroup:: GetDefinitions()` to return an `ArrayRef<OptionDefinition>` instead of a `const OptionDefinition *`. In the case of the former, it deletes the sentinel entry from every table, and in the case of the latter, it removes the `GetNumDefinitions()` method from the interface. These are no longer necessary as `ArrayRef` carries its own length. In the former case, iteration was done by using a sentinel entry, so there was no knowledge of length. Because of this the individual option tables were allowed to be defined below the corresponding class (after all, only a pointer was needed). Now, however, the length must be known at compile time to construct the `ArrayRef`, and as a result it is necessary to move every option table before its corresponding class. This results in this CL looking very big, but in terms of substance there is not much here. Differential revision: https://reviews.llvm.org/D24834 llvm-svn: 282188
* fix DarwinLog no-info/no-debug caseTodd Fiala2016-09-221-1/+1
| | | | | | | | | | | | | This started failing recently: TestDarwinLogSourceDebug.py It looks like the behavior of specifying the OS_ACTIVITY_MODE env var with no value used to work for no-info/no-debug content. That doesn't appear to be the case now. Switch to specifying the proper value ('default') when no info-level and no debug-level content is expected. llvm-svn: 282172
* Make lldb::Regex use StringRef.Zachary Turner2016-09-211-1/+1
| | | | | | | | | | This updates getters and setters to use StringRef instead of const char *. I tested the build on Linux, Windows, and OSX and saw no build or test failures. I cannot test any BSD or Android variants, however I expect the required changes to be minimal or non-existant. llvm-svn: 282079
* Convert 3 more functions to use a StringRef.Zachary Turner2016-09-191-7/+7
| | | | | | | | This converts Args::Unshift, Args::AddOrReplaceEnvironmentVariable, and Args::ContainsEnvironmentVariable to use StringRefs. The code is also simplified somewhat as a result. llvm-svn: 281942
* Fix more functions in Args to use StringRef.Zachary Turner2016-09-191-4/+5
| | | | | | | | | | | | | | | 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
* *** This commit represents a complete reformatting of the LLDB source codeKate Stone2016-09-062-2243/+1807
| | | | | | | | | | | | | | | | | | | | | | | *** 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
* Add StructuredData plugin type; showcase with new DarwinLog featureTodd Fiala2016-08-194-0/+2591
| | | | | | | | | | | | Take 2, with missing cmake line fixed. Build tested on Ubuntu 14.04 with clang-3.6. See docs/structured_data/StructuredDataPlugins.md for details. differential review: https://reviews.llvm.org/D22976 reviewers: clayborg, jingham llvm-svn: 279202
* Revert "Add StructuredData plugin type; showcase with new DarwinLog feature"Todd Fiala2016-08-194-2591/+0
| | | | | | This reverts commit 1d885845d1451e7b232f53fba2e36be67aadabd8. llvm-svn: 279200
* Add StructuredData plugin type; showcase with new DarwinLog featureTodd Fiala2016-08-194-0/+2591
See docs/structured_data/StructuredDataPlugins.md for details. differential review: https://reviews.llvm.org/D22976 reviewers: clayborg, jingham llvm-svn: 279198
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