Commit Graph

4945 Commits

Author SHA1 Message Date
Marek Kurdej 7af11989be [clang-format] Fix short functions being considered as inline inside an indented namespace.
Fixes https://github.com/llvm/llvm-project/issues/24784.

With config:
```
AllowShortFunctionsOnASingleLine: Inline
NamespaceIndentation: All
```

The code:
```
namespace Test
{
    void f()
    {
        return;
    }
}
```
was incorrectly formatted to:
```
namespace Test
{
    void f() { return; }
}
```

since the function `f` was considered being inside a class/struct/record.
That's because the check was simplistic and only checked for a non-zero indentation level of the line starting `f`.

Reviewed By: MyDeveloperDay, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D117142
2022-01-14 21:57:02 +01:00
Marek Kurdej 6ea3d9efc5 [clang-format] Fix CompactNamespaces corner case when AllowShortLambdasOnASingleLine/BraceWrapping.BeforeLambdaBody are set
In clang-format 12, `CompactNamespaces` misformatted the code when `AllowShortLambdasOnASingleLine` is set to false and `BraceWrapping.BeforeLambdaBody` is true.

Input:
```
namespace out {
namespace in {
}
} // namespace out::in
```

Expected output:
```
namespace out { namespace in {
}} // namespace out::in
```

Output from v12:
```
namespace out {
namespace in {
}
} // namespace out::in
```

Config triggering the issue:
```
---
AllowShortLambdasOnASingleLine: None
BraceWrapping:
  BeforeLambdaBody :    true
BreakBeforeBraces: Custom
CompactNamespaces: true
...
```

Seems there's a corner case when `AllowShortLambdasOnASingleLine` is false, and `BraceWrapping.BeforeLambdaBody` is true, that causes CompactNamespaces to stop working.
The cause was a misannotation of `{` opening brace after `namespace` as a lambda opening brace.
The regression was probably introduced with [this commit](fa0118e6e5).

Originally contributed by Ahmed Mahdy (@aybassiouny). Thank you!

Reviewed By: Wawha, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D99031
2022-01-14 21:47:16 +01:00
Stanislav Gatev 7d941d6d21 [clang][dataflow] Add transfer functions for constructors
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed-by: ymandel, xazax.hun

Differential Revision: https://reviews.llvm.org/D117218
2022-01-14 14:58:01 +00:00
Marek Kurdej 6a4957cbdf [clang-format] Add missing test for loops formatting. NFC.
The case with an inner while loop wasn't tested before. Same for outer loop with a ForeachMacro.
2022-01-14 14:43:15 +01:00
Marek Kurdej cd3ab156a7 [clang-format] Fix typos in test. NFC. 2022-01-14 13:24:16 +01:00
Marek Kurdej 717cd16e85 [clang-format] Fix namespace end comments fixer with anonymous namespaces.
Previously, a strange trailing comment was produced:
```
namespace out { namespace {
}} // namespace out::
```
(mind the "out::").

Reviewed By: MyDeveloperDay, owenpan

Differential Revision: https://reviews.llvm.org/D117289
2022-01-14 11:41:14 +01:00
Marek Kurdej 3cf86c3611 Revert unrelated change from: [clang-format] Fix break being added to macro define with ColumnLimit: 0 2022-01-14 08:43:59 +01:00
Armen Khachkinaev 47a9eb2117 [clang-format] Fix break being added to macro define with ColumnLimit: 0
Fix for #[[ https://github.com/llvm/llvm-project/issues/49164 | 49164 ]] issue.

Reviewed By: MyDeveloperDay, HazardyKnusperkeks, curdeius, owenpan

Differential Revision: https://reviews.llvm.org/D116859
2022-01-14 08:42:22 +01:00
Jan Svoboda ccd7e7830f Revert "[clang][lex] Keep references to `DirectoryLookup` objects up-to-date"
This reverts commit 8503c688. This patch causes some issues with `#include_next`: https://github.com/llvm/llvm-project/issues/53161
2022-01-13 16:29:44 +01:00
mydeveloperday 7ee4236789 [clang-format] clang-format eats space in front of attributes for operator delete
https://github.com/llvm/llvm-project/issues/27037

Sorry its taken so long to get to this issue! (got it before it hit its 6th birthday!)

```
void operator delete(void *foo)ATTRIB;
```

(void *foo) is incorrectly determined to be a C-Style Cast resulting in the space being removed after the ) and before the attrib, due to the detection of

```
delete (A* )a;
```

The following was previously unaffected

```
void operator new(void *foo) ATTRIB;
```

Fixes #27037

Reviewed By: curdeius, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D116920
2022-01-13 07:57:45 +00:00
Stanislav Gatev 963f40051a [clang][dataflow] Add transfer functions for initializers
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed-by: ymandel, xazax.hun

Differential Revision: https://reviews.llvm.org/D117123
2022-01-12 21:51:39 +00:00
Florian Hahn eadb4cfeef
Revert (2) "[AST] Add RParen loc for decltype AutoTypeloc."
This reverts commit 41fbdfa4d5.

The commit breaks stage 2 builds with debug info, e.g.
https://green.lab.llvm.org/green/job/clang-stage2-Rthinlto/5088/console

Clang crashes with the following assertion when building
llvm-project/llvm/lib/Support/Timer.cpp

/usr/local/bin/sccache /Users/buildslave/jenkins/workspace/clang-stage2-Rthinlto/host-compiler/bin/clang++  -DGTEST_HAS_RTTI=0 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/Support -I/Users/buildslave/jenkins/workspace/clang-stage2-Rthinlto/llvm-project/llvm/lib/Support -Iinclude -I/Users/buildslave/jenkins/workspace/clang-stage2-Rthinlto/llvm-project/llvm/include -fno-stack-protector -fno-common -Wno-profile-instr-unprofiled -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -fmodules -fmodules-cache-path=/Users/buildslave/jenkins/workspace/clang-stage2-Rthinlto/clang-build/Build/module.cache -fcxx-modules -Xclang -fmodules-local-submodule-visibility -gmodules -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -fdiagnostics-color -flto=thin  -O2 -g -DNDEBUG -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk   -std=c++14  -fno-exceptions -fno-rtti -MD -MT lib/Support/CMakeFiles/LLVMSupport.dir/Timer.cpp.o -MF lib/Support/CMakeFiles/LLVMSupport.dir/Timer.cpp.o.d -o lib/Support/CMakeFiles/LLVMSupport.dir/Timer.cpp.o -c /Users/buildslave/jenkins/workspace/clang-stage2-Rthinlto/llvm-project/llvm/lib/Support/Timer.cpp
Assertion failed: (((getOffset()+Offset) & MacroIDBit) == 0 && "offset overflow"), function getLocWithOffset, file /Users/buildslave/jenkins/workspace/clang-stage1-RA/llvm-project/clang/include/clang/Basic/SourceLocation.h, line 135.
2022-01-12 10:09:37 +00:00
Stanislav Gatev 99f7d55eee [clang][dataflow] Add transfer functions for data members and this pointers
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed-by: ymandel, xazax.hun

Differential Revision: https://reviews.llvm.org/D117012
2022-01-12 07:38:26 +00:00
ksyx ee25a327aa [clang-format] Fix SeparateDefinitionBlocks issues
Fixes https://github.com/llvm/llvm-project/issues/52976.

- Make no formatting for macros
- Attach comment with definition headers
- Make no change on use of empty lines at block start/end
- Fix misrecognition of keyword namespace

Differential Revision: https://reviews.llvm.org/D116663
Reviewed By: MyDeveloperDay, HazardyKnusperkeks, curdeius
2022-01-11 12:25:39 -05:00
Jan Svoboda f77d115cc1 [clang] Move `ApplyHeaderSearchOptions` from Frontend to Lex
In D116750, the `clangFrontend` library was added as a dependency of `LexTests` in order to make `clang::ApplyHeaderSearchOptions()` available. This increased the number of TUs the test depends on.

This patch moves the function into `clangLex` and removes dependency of `LexTests` on `clangFrontend`.

Reviewed By: thakis

Differential Revision: https://reviews.llvm.org/D117024
2022-01-11 17:57:40 +01:00
Jan Svoboda 8503c688d5 [clang][lex] Keep references to `DirectoryLookup` objects up-to-date
The elements of `SearchPath::SearchDirs` are being referenced to by their indices. This proved to be error-prone: `HeaderSearch::SearchDirToHSEntry` was accidentally not being updated in `HeaderSearch::AddSearchPath()`. This patch fixes that by referencing `SearchPath::SearchDirs` elements by their address instead, which is stable thanks to the bump-ptr-allocation strategy.

Reviewed By: ahoppen

Differential Revision: https://reviews.llvm.org/D116750
2022-01-11 15:24:46 +01:00
Haojian Wu 41fbdfa4d5 Reland "[AST] Add RParen loc for decltype AutoTypeloc."
Reland 55d96ac and 37ec65e with a clang-tidy fix.
2022-01-11 12:06:18 +01:00
Sam McCall 4258d68dc7 [Tooling] When transferring compile commands between files, always use '--'
"driver <flags> -- <input>" is a particularly convenient form of the
compile command to manipulate, with fewer special cases to handle.

Guaranteeing that the output command is of that form is cheap and makes
it easier to consume the result in some cases.

Differential Revision: https://reviews.llvm.org/D116721
2022-01-11 01:41:42 +01:00
Stanislav Gatev e7481f6ee5 [clang][dataflow] Add transfer functions for assignment
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Differential Revision: https://reviews.llvm.org/D116596
2022-01-10 19:35:50 +00:00
David Goldman 0cf7e61a42 [clang][HeaderSearch] Support framework includes in suggestPath...
Clang will now search through the framework includes to identify
the framework include path to a file, and then suggest a framework
style include spelling for the file.

Differential Revision: https://reviews.llvm.org/D115183
2022-01-10 12:25:53 -05:00
Yitzhak Mandelbaum 64f7b2d4bf [clang][dataflow] Change `transfer` function to update lattice element in place.
Currently, the transfer function returns a new lattice element, which forces an
unnecessary copy on processing each CFG statement.

Differential Revision: https://reviews.llvm.org/D116834
2022-01-10 14:45:30 +00:00
Haojian Wu c2293bc17d Revert "[AST] Add RParen loc for decltype AutoTypeloc."
This breaks a clang-tidy check, needs to investigate and fix. Revert
them to bring the buildbot back.

This reverts commit 55d96ac3dc and
37ec65e1d7
2022-01-10 15:18:41 +01:00
Haojian Wu 55d96ac3dc [AST] Add RParen loc for decltype AutoTypeloc.
Differential Revision: https://reviews.llvm.org/D116919
2022-01-10 12:46:27 +01:00
Haojian Wu 4a4b8e4f99 [AST] Add more source information for DecltypeTypeLoc.
Adds the paren source location, and removes the hack in clangd.

Differential Revision: https://reviews.llvm.org/D116793
2022-01-10 09:34:18 +01:00
mydeveloperday 5c2e7c9ca0 [clang-format] Ensure we can correctly parse lambda in the template argument list
https://github.com/llvm/llvm-project/issues/46505

The presence of a lambda in an argument template list ignored the [] as a lambda at all, this caused the contents of the <> to be incorrectly analyzed.

```
struct Y : X < [] {
  return 0;
} > {};
```
Fixes: #46505

Reviewed By: curdeius

Differential Revision: https://reviews.llvm.org/D116806
2022-01-10 08:29:35 +00:00
Marek Kurdej 91b9e6729c [clang-format] Fix `BraceWrapping: AfterFunction` affecting synchronized blocks in Java.
Fixes https://github.com/llvm/llvm-project/issues/32031.

Before this change, BraceWrapping: AfterFunction would affect synchronized blocks in Java, but they should be formatted w.r.t. BraceWrapping: AfterControlStatement.

Using the config:
```
BreakBeforeBraces: Custom
BraceWrapping:
  AfterControlStatement: false
  AfterFunction: true
```

would result in misformatted code like:
```
class Foo {
  void bar()
  {
    synchronized (this)
    {
      a();
      a();
    }
  }
}
```

instead of:
```
class Foo {
  void bar()
  {
    synchronized (this) {
      a();
      a();
    }
  }
}
```

Reviewed By: MyDeveloperDay, owenpan

Differential Revision: https://reviews.llvm.org/D116767
2022-01-07 10:06:49 +01:00
Alexandre Ganea a5af260d3e Silence warning with MSVC compiler.
D:\git\llvm-project\clang\unittests\Analysis\FlowSensitive\MultiVarConstantPropagationTest.cpp(104) : warning C4715: 'clang::dataflow::`anonymous namespace'::operator<<': not all control paths return a value
2022-01-06 16:51:37 -05:00
mydeveloperday 031d3ece3f [clang-format] Fix a crash (assertion) in qualifier alignment when matching template closer is null
https://github.com/llvm/llvm-project/issues/53008

```
template <class Id> using A = quantity /**/<kind<Id>, 1>;
```

the presence of the comment between identifier and template opener seems to be causing the qualifier alignment to fail

Reviewed By: curdeius

Fixes: #53008

Differential Revision: https://reviews.llvm.org/D116726
2022-01-06 19:40:39 +00:00
mydeveloperday 49d311874e [clang-format] Missing space after cast in a macro
https://github.com/llvm/llvm-project/issues/52979

Though SpaceAfterCStyleCast is set to true, clang-format 13 does not add a space after (void *) here:

```
```

This patch addresses that

Fixes: #52979

Reviewed By: curdeius, HazardyKnusperkeks, owenpan

Differential Revision: https://reviews.llvm.org/D116592
2022-01-06 08:07:03 +00:00
Egor Zhdan 809c6a5a1d [Clang] Extract availability mapping from VersionMap for watchOS/tvOS
This change makes it possible to extract iOS-to-another-platform version mappings from `VersionMap` in the `SDKSettings.json` file in Darwin SDKs, for example, `iOS_watchOS` and `iOS_tvOS`.

This code was originally authored by Alex Lorenz.

rdar://81491680

Differential Revision: https://reviews.llvm.org/D116615
2022-01-05 17:00:03 -08:00
Marek Kurdej 5109737c92 [clang-format] Fix indentation for array variables with alignment of consecutive assignments and declarations.
Fixes https://github.com/llvm/llvm-project/issues/52914.

Reviewed By: HazardyKnusperkeks, owenpan

Differential Revision: https://reviews.llvm.org/D116527
2022-01-05 13:52:45 +01:00
Rajat Bajpai da6b0d0b76 [clang-format] Add an option to add a space between operator overloading and opening parentheses
This change adds an option AfterOverloadedOperator in SpaceBeforeParensOptions to add a space between overloaded operator and opening parentheses in clang-format.

Reviewed By: MyDeveloperDay, curdeius, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D116283
2022-01-04 17:23:23 +01:00
Yitzhak Mandelbaum 4950198116 [clang][dataflow] Add multi-variable constant propagation example.
Adds another constant-propagation analysis that covers all variables in
the scope (vs the existing single-variable demo). But, the analysis is still
unsuited to use, in that ignores issues of escaping variables.

Differential Revision: https://reviews.llvm.org/D116370
2022-01-04 14:28:23 +00:00
Yitzhak Mandelbaum 4dcc47aaea [clang][dataflow] Add parameterized map lattice.
This patchs adds a `MapLattice` template for lifting a lattice to a keyed map. A
typical use is for modeling variables in a scope with a partcular lattice.

Differential Revision: https://reviews.llvm.org/D116369
2022-01-04 14:27:15 +00:00
Stanislav Gatev af7bc39ba1 [clang][dataflow] Add transfer function for VarDecl statements
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed-by: xazax.hun

Differential Revision: https://reviews.llvm.org/D116368
2022-01-04 09:16:01 +00:00
Marek Kurdej e2b6e21f19 [clang-format] Fix incorrect formatting of lambdas inside brace initialisation
Fixes https://github.com/llvm/llvm-project/issues/27146.
Fixes https://github.com/llvm/llvm-project/issues/52943.

Before:

```
namespace ns {

void foo() {
  std::variant<int, double> v;
  std::visit(overloaded{[](auto &&) -> int (*)[] { return nullptr; }}, v);
}

} // namespace ns

int break_me() {
  int x = 42;
  return int{[x = x]() {
    return x;
  }()};
}
```

got formatted as:
```
namespace ns {

void foo() {
  std::variant<int, double> v;
  std::visit(overloaded{[](auto &&) -> int (*)[] { return nullptr;
}
} // namespace ns
, v);
}

} // namespace ns

int break_me() {
  int x = 42;
  return int{[x = x](){return x;
}
()
}
;
}
```

Reviewed By: HazardyKnusperkeks, owenpan

Differential Revision: https://reviews.llvm.org/D116553
2022-01-04 08:28:12 +01:00
ksyx 6f6f88ffda [clang-format] Style to separate definition blocks
This commit resolves GitHub issue #45895 (Bugzilla #46550), to
add or remove empty line between definition blocks including
namespaces, classes, structs, enums and functions.

Reviewed By: MyDeveloperDay, curdeius, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D116314
2022-01-03 15:47:39 -05:00
G. Pery cfe3180742 [clang-format] Add penalty for breaking after '('
My team has a vendetta against lines ending with an open parenthesis, thought it might be useful for others too 😊

Reviewed By: HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D116170
2022-01-03 21:06:34 +01:00
Michael Zimmermann 7972b2e422 [clang-format] respect AfterEnum for enums
There is some similar looking code in `TokenAnnotator.cpp` but given that I've
never worked on clang-format before I don't know what the purpose of that code
is and how it's related to `UnwrappedLineParser.cpp`.

Either way, it fixes clang-format with `BraceWrapping.AfterEnum=true` and
`AllowShortEnumsOnASingleLine=false` to behave like the documentation says.

Before this patch:
```
enum
{
  A,
  B
} myEnum;
```

After this patch:
```
enum {
  A,
  B
} myEnum;
```

According to the unittests which I had to modify this would change the LLVM
style. Please evaluate if you want to change the defaults or if you consider
the current style a bug.

Reviewed By: curdeius, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D106349
2022-01-03 20:01:10 +01:00
mydeveloperday cd2b050fa4 [clang-format] spacesRequiredBetween is not honouring clang-format off/on
https://github.com/llvm/llvm-project/issues/52881

It seems that clang-format off/on is not being honoured in regard to adding spaces.

My understanding of clang-format off/on is that it marks the token as finalized based on whether formatting is currently enabled or disabled.

This was causing a space to be added between the `<` and `<<`  in the Cuda kernel `foo<<<1, 1>>>();`

This if doesn't solve this actual issue but ensure that clang-format is at least honoured.

Reviewed By: curdeius, owenpan

Differential Revision: https://reviews.llvm.org/D116494
2022-01-03 11:19:02 +00:00
Zhao Wei Liew b9e173fcd4 [clang-format] Add option to explicitly specify a config file
This diff extends the -style=file option to allow a config file to be specified explicitly. This is useful (for instance) when adding IDE commands to reformat code to a personal style.

Usage: `clang-format -style=file:<path/to/config/file> ...`

Reviewed By: HazardyKnusperkeks, curdeius, MyDeveloperDay, zwliew

Differential Revision: https://reviews.llvm.org/D72326
2022-01-03 11:43:25 +01:00
Zhao Wei Liew 0090cd4e7a [clang-format] Support inheriting from more than 1 parents in the fallback case
Currently, we are unable to inherit from a chain of parent configs where the outermost parent config has `BasedOnStyle: InheritParentConfig` set. This patch adds a test case for this scenario, and adds support for it.

To illustrate, suppose we have the following directory structure:
```
- e/
  |- .clang-format (BasedOnStyle: InheritParentConfig) <-- outermost config
  |- sub/
    |- .clang-format (BasedOnStyle: InheritParentConfig)
    |- sub/
      |- .clang-format (BasedOnStyle: InheritParentConfig)
      |- code.cpp
```
Now consider what happens when we run `clang-format --style=file /e/sub/sub/code.cpp`.

Without this patch, on a release build, only the innermost config will be applied. On a debug build, clang-format crashes due to an assertion failure.
With this patch, clang-format behaves as we'd expect, applying all 3 configs.

Reviewed By: HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D116371
2022-01-03 11:36:00 +01:00
Marek Kurdej ab0bfbdaaa [clang-format] Use get*StyleWithColumns helper. NFC. 2022-01-03 09:45:33 +01:00
Stanislav Gatev b5c5d8912e [clang][dataflow] Add support for noreturn destructor calls
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed By: xazax.hun, gribozavr2

Differential Revision: https://reviews.llvm.org/D116022
2021-12-28 07:04:39 +00:00
Gabriel Smith 8ea64d5585 [clang-format] Fix short enums getting wrapped even when denied
Single-variant enums were still getting placed on a single line
even when AllowShortEnumsOnASingleLine was false. This fixes that
by checking that setting when looking to merge lines.

Differential Revision: https://reviews.llvm.org/D116188
2021-12-24 11:38:55 -08:00
Marek Kurdej f66d602c3f [clang-format] Fix wrong indentation after trailing requires clause.
Fixes https://github.com/llvm/llvm-project/issues/52834.

Before this patch, clang-format would wrongly parse top-level entities (e.g. namespaces) and format:
```
template<int I>
constexpr void foo requires(I == 42) {}
namespace ns {
void foo() {}
}  // namespace ns
```
into:
``````
template<int I>
constexpr void foo requires(I == 42) {}
namespace ns {
  void foo() {}
}  // namespace ns
```
with configuration:
```
NamespaceIndentation: None
````

Reviewed By: MyDeveloperDay, HazardyKnusperkeks, owenpan

Differential Revision: https://reviews.llvm.org/D116183
2021-12-23 08:22:12 +01:00
Marek Kurdej 450ddddcb7 [clang-format] Remove unnecessary qualifications. NFC. 2021-12-21 17:53:42 +01:00
Marek Kurdej 36ea9861e3 [clang-format] Remove unnecessary qualifications. NFC. 2021-12-21 17:02:26 +01:00
Marek Kurdej 07fe451305 [clang-format] Fix SplitEmptyRecord affecting SplitEmptyFunction.
Fixes https://github.com/llvm/llvm-project/issues/50051.

Given the style:
```
BraceWrapping
  AfterFunction: true
 SplitEmptyFunction: true
 SplitEmptyRecord: false
...
```

The code that should be like:
```
void f(int aaaaaaaaaaaaaaaaaaaaaaaaaaaa,
       int bbbbbbbbbbbbbbbbbbbbbbbb)
{
}
```

gets the braces merged together:
```
void f(int aaaaaaaaaaaaaaaaaaaaaaaaaaaa,
       int bbbbbbbbbbbbbbbbbbbbbbbb)
{}
```

Reviewed By: MyDeveloperDay

Differential Revision: https://reviews.llvm.org/D116049
2021-12-21 16:54:19 +01:00
mydeveloperday 6e28b86cc6 AlignConsecutiveDeclarations not working for 'const' keyword in JavsScript
https://github.com/llvm/llvm-project/issues/49846

Fixes #49846

AlignConsecutiveDeclarations  is not working for "let" and "const" in JavaScript

let letVariable     = 5;
const constVariable = 10;

Reviewed By: owenpan, HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D115990
2021-12-21 13:57:43 +00:00
Sam McCall af27466c50 Reland "[AST] Add UsingType: a sugar type for types found via UsingDecl"
This reverts commit cc56c66f27.
Fixed a bad assertion, the target of a UsingShadowDecl must not have
*local* qualifiers, but it can be a typedef whose underlying type is qualified.
2021-12-20 18:03:15 +01:00
Sam McCall cc56c66f27 Revert "[AST] Add UsingType: a sugar type for types found via UsingDecl"
This reverts commit e1600db19d.

Breaks sanitizer tests, at least on windows:
https://lab.llvm.org/buildbot/#/builders/127/builds/21592/steps/4/logs/stdio
2021-12-20 17:53:56 +01:00
Sam McCall e1600db19d [AST] Add UsingType: a sugar type for types found via UsingDecl
Currently there's no way to find the UsingDecl that a typeloc found its
underlying type through. Compare to DeclRefExpr::getFoundDecl().

Design decisions:
- a sugar type, as there are many contexts this type of use may appear in
- UsingType is a leaf like TypedefType, the underlying type has no TypeLoc
- not unified with UnresolvedUsingType: a single name is appealing,
  but being sometimes-sugar is often fiddly.
- not unified with TypedefType: the UsingShadowDecl is not a TypedefNameDecl or
  even a TypeDecl, and users think of these differently.
- does not cover other rarer aliases like objc @compatibility_alias,
  in order to be have a concrete API that's easy to understand.
- implicitly desugared by the hasDeclaration ASTMatcher, to avoid
  breaking existing patterns and following the precedent of ElaboratedType.

Scope:
- This does not cover types associated with template names introduced by
  using declarations. A future patch should introduce a sugar TemplateName
  variant for this. (CTAD deduced types fall under this)
- There are enough AST matchers to fix the in-tree clang-tidy tests and
  probably any other matchers, though more may be useful later.

Caveats:
- This changes a fairly common pattern in the AST people may depend on matching.
  Previously, typeLoc(loc(recordType())) matched whether a struct was
  referred to by its original scope or introduced via using-decl.
  Now, the using-decl case is not matched, and needs a separate matcher.
  This is similar to the case of typedefs but nevertheless both adds
  complexity and breaks existing code.

Differential Revision: https://reviews.llvm.org/D114251
2021-12-20 17:15:38 +01:00
Marek Kurdej 960712ccc7 [clang-format] Fix wrong indentation of namespace identifiers after a concept declaration.
Before this patch, the code:
```
template <class T>
concept a_concept = X<>;
namespace B {
struct b_struct {};
} // namespace B
```
with config:
```
NamespaceIndentation: None
```

was wrongly indented inside namespace B, giving:
```
template <class T>
concept a_concept = X<>;
namespace B {
  struct b_struct {};
} // namespace B
```

Fixes https://github.com/llvm/llvm-project/issues/50645

Reviewed By: MyDeveloperDay, owenpan

Differential Revision: https://reviews.llvm.org/D116008
2021-12-20 09:13:32 +01:00
Krasimir Georgiev 3a3fcd6a23 [clang-format] add regression tests for braced lists
Depends on https://reviews.llvm.org/D116000.

Added test cases from the comments on https://reviews.llvm.org/D114583.

Reviewed By: MyDeveloperDay

Differential Revision: https://reviews.llvm.org/D116001
2021-12-19 16:07:07 +01:00
Krasimir Georgiev d96bf6ea46 Revert "[clang-format] Adjust braced list detection"
It appears that this regressed the formatting of initializer lists in some
cases, see comments on https://reviews.llvm.org/D114583. I'll follow-up
by adding regression tests for these.

This reverts commit c41b3b0fa0.

Reviewed By: MyDeveloperDay

Differential Revision: https://reviews.llvm.org/D116000
2021-12-19 16:04:42 +01:00
mydeveloperday 3362fa59ec [clang-format] extern with new line brace without indentation
https://github.com/llvm/llvm-project/issues/49804

Interaction between IndentExternBlock and AfterExternBlock means you cannot have AfterExternBlock = true and IndentExternBlock = NoIndent/Indent

This patch resolves that
```
BraceWrapping:
  AfterExternBlock: true
IndentExternBlock: AfterExternBlock
```
Fixes: #49804

Reviewed By: HazardyKnusperkeks, curdeius, owenpan

Differential Revision: https://reviews.llvm.org/D115879
2021-12-18 14:10:14 +00:00
mydeveloperday 936a67f089 [clang-format] Extra spaces surrounding arrow in templated member call in variable decl
https://github.com/llvm/llvm-project/issues/43196

Fixes #43196

-> is incorrectly interpreted as a TrailingReturnArrow if we've seen an auto

```
auto p = new A;
auto x = p -> foo<1>();
```

Reviewed By: curdeius

Differential Revision: https://reviews.llvm.org/D115903
2021-12-18 11:38:29 +00:00
Peter Stys 163c13fed9 [clang-format] Fix formatting of the code that follows C# Lambda Expressions
The alignment fix introduced by https://reviews.llvm.org/D104388 caused a regression whereby formatting of code that follows the lambda block is incorrect i.e. separate expressions are put on the same line.

Differential Revision: https://reviews.llvm.org/D115738
2021-12-17 10:42:15 -08:00
mydeveloperday 62ead36547 [clang-format] Formatter does not handle c++11 string literal prefix with stringize #
https://github.com/llvm/llvm-project/issues/27740

Ensure
```
```
behave the same as
```
```

when formatted, ensure clang-format follows the conventions for `L` `u` `U` `u8`

https://docs.microsoft.com/en-us/cpp/cpp/string-and-character-literals-cpp?redirectedfrom=MSDN&view=msvc-170

Fixes #27740

Reviewed By: curdeius, owenpan

Differential Revision: https://reviews.llvm.org/D115938
2021-12-17 18:29:32 +00:00
Nico Weber 770ef94097 Revert "[analyzer][ctu] Fix wrong 'multiple definitions' errors caused by space characters in lookup names when parsing the ctu index file"
This reverts commit 333d66b094.
Breaks tests on macOS, see comments on https://reviews.llvm.org/D102669
2021-12-16 20:46:51 -05:00
mydeveloperday 2b671c3fe0 [clang-format] add support for branch attribute macros
https://github.com/llvm/llvm-project/issues/49184

clang-format doesn't handle the use of AttributeMacros where `[[unlikely]]` / `[[likely]]` could be used in `if` statements

This was not covered in the original commit {{D80144}}

Fixes #49184

Reviewed By: curdeius, owenpan

Differential Revision: https://reviews.llvm.org/D115865
2021-12-16 20:36:25 +00:00
Ella Ma 333d66b094 [analyzer][ctu] Fix wrong 'multiple definitions' errors caused by space characters in lookup names when parsing the ctu index file
This error was found when analyzing MySQL with CTU enabled.

When there are space characters in the lookup name, the current
delimiter searching strategy will make the file path wrongly parsed.
And when two lookup names have the same prefix before their first space
characters, a 'multiple definitions' error will be wrongly reported.

e.g. The lookup names for the two lambda exprs in the test case are
`c:@S@G@F@G#@Sa@F@operator int (*)(char)#1` and
`c:@S@G@F@G#@Sa@F@operator bool (*)(char)#1` respectively. And their
prefixes are both `c:@S@G@F@G#@Sa@F@operator` when using the first space
character as the delimiter.

Solving the problem by adding a length for the lookup name, making the
index items in the format of `USR-Length:USR File-Path`.

Reviewed By: steakhal

Differential Revision: https://reviews.llvm.org/D102669
2021-12-16 17:47:59 +01:00
Yitzhak Mandelbaum 8561e15c5b [clang][dataflow] Fix unused-variable warning. 2021-12-16 13:37:17 +00:00
Jan Svoboda f66803457e [clang][deps] Squash caches for original and minimized files
The minimizing and caching filesystem used by the dependency scanner keeps minimized and original files in separate caches.

This setup is not well suited for dealing with files that are sometimes minimized and sometimes not. Such files are being stat-ed and read twice, which is wasteful and also means the two versions of the file can get "out of sync".

This patch squashes the two caches together. When a file is stat-ed or read, its original contents are populated. If a file needs to be minimized, we give the minimizer the already loaded contents instead of reading the file again.

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D115346
2021-12-16 09:57:21 +01:00
Marek Kurdej 27818f01fe [clang-format] Fix tabs when using BreakBeforeTernaryOperators=false.
Fixes https://github.com/llvm/llvm-project/issues/52724.

This is rather a workaround than a correct fix. To properly fix it, we'd need to find a better way to tell when not to decrease the StartOfTokenColumn.

Reviewed By: MyDeveloperDay, owenpan

Differential Revision: https://reviews.llvm.org/D115803
2021-12-16 09:28:00 +01:00
Andrew Smith 63a565768e [clang-format] Remove spurious JSON binding when DisableFormat = true
Relevant issue: https://github.com/llvm/llvm-project/issues/52705

When the `DisableFormat` option of `clang-format` is set to `true` and a JSON file is formatted, the ephemeral variable binding that is added to the top-level object is not removed from the formatted file.  For example, this JSON:
```
{
  "key": "value"
}
```
Is reformatted to:
```
x = {
  "key": "value"
}
```
Which is not valid JSON syntax.  This fix avoids the addition of this binding when `DisableFormat` is set to `true`, ensuring that it cannot be left behind when formatting is disabled.

Reviewed By: MyDeveloperDay, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D115769

Fixes #52705
2021-12-15 23:09:28 +00:00
mydeveloperday a94aab12a4 [clang-format] put non-empty catch block on one line with AllowShortBlocksOnASingleLine: Empty
https://github.com/llvm/llvm-project/issues/52715

Fixes #52715

`AllowShortBlocksOnASingleLine` seems to never be checked for "Empty" as such if its used it will be considered "Always" as we only ever check `AllowShortBlocksOnASingleLine != Never`

This impacts C++ as well as C# hence the slightly duplicated test.

Reviewed By: curdeius, jbcoe

Differential Revision: https://reviews.llvm.org/D115794
2021-12-15 23:06:52 +00:00
Sam McCall 62bcb75ce5 [AST] Add more testcases to QualTypeNamesTest. NFC
These all currently pass, but are tricky cases not currently covered.
https://reviews.llvm.org/D114251 would break them in its current state.
2021-12-15 21:59:54 +01:00
Sam McCall 32dede65ae [AST] Fix QualTypeNamesTest, which was spuriously passing
The empty VisitDecl() meant all assertions were skipped.
Meanwhile the assertions have rotted as some type printing has changed.

The test is still in the wrong directory, because it requires TestVisitor.h
which uses Tooling APIs.
2021-12-15 21:55:25 +01:00
mydeveloperday ebed0ca715 [clang-format] C# switch expression formatting differs from normal switch formatting
https://github.com/llvm/llvm-project/issues/52677

clang-format doesn't format C# switch expressions very well.

Start with this small use case and try and improve the output. I'll look for other examples to add as tests

Reviewed By: curdeius

Differential Revision: https://reviews.llvm.org/D115673

Fixes  #52677
2021-12-15 19:47:29 +00:00
Yitzhak Mandelbaum 8179e1fd51 [clang][dataflow] Add simplistic constant-propagation analysis.
Adds a very simple constant-propagation analysis for demo and testing purposes.

Differential Revision: https://reviews.llvm.org/D115740
2021-12-15 19:30:20 +00:00
Felix Berger a1b1c23a3b [clang] ASTMatchers: Fix out-of-bounds access in foreachArgumentWithParamType.
The matcher crashes when a variadic function pointer is invoked because the
FunctionProtoType has fewer parameters than arguments.

Matching of non-variadic arguments now works.

Differential Revision: https://reviews.llvm.org/D114559

Reviewed-by: sammccall
2021-12-15 12:35:07 -05:00
mydeveloperday 6482383e50 [clang-format] FixNamespaceComments does not understand namespace aliases
https://github.com/llvm/llvm-project/issues/35876

Ensure a namespace alias doesn't get incorrectly identifier as a namespace

Reviewed By: HazardyKnusperkeks, curdeius, owenpan

Differential Revision: https://reviews.llvm.org/D115647

Fixes: #35876
2021-12-14 14:53:04 +00:00
Michał Górny fd0b00b5c6 [clang] [unitttests] Fix linking Basic test to LLVMTestingSupport
Link BasicTests via explicit target_link_libraries() rather than
clang_target_link_libraries() in order to fix linking when building
clang against libclang-cpp.  The latter requires all listed libraries
to be part of libclang-cpp and omits them if libclang-cpp is used.
However, LLVMTestingSupport is not part of libclang-cpp, so omitting it
causes undefined symbols.  Link to the library explicitly to follow suit
with the 7 other unittest programs.

Differential Revision: https://reviews.llvm.org/D115580
2021-12-13 23:00:31 +01:00
mydeveloperday 05bea533d1 [clang-format] [PR49298] Sort includes pass will sort inside raw strings
https://github.com/llvm/llvm-project/issues/48642

clang-format does not respect raw string literals when sorting includes

```
const char *RawStr = R"(
)";
```

Running clang-format over with SortIncludes enabled transforms this code to:

```
const char *RawStr = R"(
)";
```
The following code tries to minimize this impact during IncludeSorting, by treating R"( and )" as equivalent of // clang-format off/on

Reviewed By: HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D115168

Fixes #48642
2021-12-12 17:00:43 +00:00
Yitzhak Mandelbaum 93fbaa46c8 Revert "Revert "[clang][dataflow] Add framework for testing analyses.""
This reverts commit 78ff12da11 and fixes the initial cause of the revert.
2021-12-11 23:16:59 +00:00
Michael Liao 17414b6124 Fix shared build of unittests. 2021-12-10 15:33:56 -05:00
Denys Petrov 6a399bf4b3 [analyzer] Implemented RangeSet::Factory::unite function to handle intersections and adjacency
Summary: Handle intersected and adjacent ranges uniting them into a single one.
Example:
intersection [0, 10] U [5, 20] = [0, 20]
adjacency [0, 10] U [11, 20] = [0, 20]

Differential Revision: https://reviews.llvm.org/D99797
2021-12-10 18:48:02 +02:00
Nico Weber 78ff12da11 Revert "[clang][dataflow] Add framework for testing analyses."
Doesn't build on Windows.

This reverts commit 5a40df6381
and commit db494bd4e8.
2021-12-10 11:06:40 -05:00
Yitzhak Mandelbaum 5a40df6381 [clang][dataflow] Add framework for testing analyses.
Adds a general-purpose framework to support testing of dataflow analyses.

Differential Revision: https://reviews.llvm.org/D115341
2021-12-10 15:24:12 +00:00
Yitzhak Mandelbaum 28d3976819 Revert "[clang][dataflow] Add framework for testing analyses."
This reverts commit 47d526d67e.

The commit is failing to build on some platforms. Rolling back while we investigate.
2021-12-10 14:27:15 +00:00
Yitzhak Mandelbaum 47d526d67e [clang][dataflow] Add framework for testing analyses.
Adds a general-purpose framework to support testing of dataflow analyses.

Differential Revision: https://reviews.llvm.org/D115341
2021-12-10 14:00:36 +00:00
Yitzhak Mandelbaum 77e9d36a78 [clang][dataflow] Fix build breakage from commit 8dcaf3aa0b 2021-12-10 12:55:48 +00:00
Stanislav Gatev 8dcaf3aa0b [clang][dataflow] Implement a basic algorithm for dataflow analysis
This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed By: xazax.hun, gribozavr2

Differential Revision: https://reviews.llvm.org/D115235
2021-12-10 11:44:49 +01:00
Logan Smith 08eb614e30 [NFC][testing] Return underlying strings directly instead of OS.str()
This avoids an unnecessary copy required by 'return OS.str()', allowing
instead for NRVO or implicit move. The .str() call (which flushes the
stream) is no longer required since 65b13610a5,
which made raw_string_ostream unbuffered by default.

Differential Revision: https://reviews.llvm.org/D115374
2021-12-09 16:05:46 -08:00
mydeveloperday 2a73a1ac57 [clang-format] PR48916 PointerAlignment not working when using C++20 init-statement in for loop
https://bugs.llvm.org/show_bug.cgi?id=48916

Left and Right Alignment inside a loop is misaligned.

Reviewed By: HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D115050
2021-12-09 10:37:02 +00:00
Jan Svoboda d0262c2394 [llvm] Add null-termination capability to SmallVectorMemoryBuffer
Most of `MemoryBuffer` interfaces expose a `RequiresNullTerminator` parameter that's being used to:
* determine how to open a file (`mmap` vs `open`),
* assert newly initialized buffer indeed has an implicit null terminator.

This patch adds the paramater to the `SmallVectorMemoryBuffer` constructors, meaning:
* null terminator can now be added to `SmallVector`s that didn't have one before,
* `SmallVectors` that had a null terminator before keep it even after the move.

In line with existing code, the new parameter is defaulted to `true`. This patch makes sure all calls to the `SmallVectorMemoryBuffer` constructor set it to `false` to preserve the current semantics.

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D115331
2021-12-09 11:32:13 +01:00
Martin Storsjö 120d44d1a0 [clang] Fix a misadjusted path style comparison in a unittest
This was changed incorrectly by accident in
9902362701.

Differential Revision: https://reviews.llvm.org/D113254
2021-12-09 11:47:43 +02:00
Balázs Kéri 341a30a4ba [clang][ASTImporter] Update lookup table correctly at deduction guides.
Declaration context of template parameters of a FunctionTemplateDecl
may be different for each one parameter if the template is a
deduction guide. This case is handled correctly after this change.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D114418
2021-12-06 20:40:16 +01:00
Martin Probst 327d966365 clang-format: [JS] test case for numeric separators.
ES2021 allows numeric literals using `_` as a separator. This already
works, but had no test.

Differential Revision: https://reviews.llvm.org/D115147
2021-12-06 19:01:24 +01:00
Tan S. B c41b3b0fa0 [clang-format] Adjust braced list detection
This avoids mishandling nested compound statements that are followed by another compound statement.

Fixes https://llvm.org/PR38314 and https://llvm.org/PR48305.

Differential Revision: https://reviews.llvm.org/D114583
2021-12-05 22:39:29 -08:00
Steven Wan 9c4d194f44 [analyzer]Skip unstable CSA tests failing on several platforms
Clang static analyzer uses bitwidth to infer the integer value type, that is, any 32-bit integer is considered of type `int`, and any 64-bit integer is considered of type `long`. This isn't always true, for instance, in ILP32 (e.g., 32-bit AIX), 32-bit could be `long`, and in LP64 (e.g., 64-bit wasm64), 64-bit could be `long long`.

Reviewed By: steakhal

Differential Revision: https://reviews.llvm.org/D114454
2021-12-02 18:30:14 -05:00
mydeveloperday 57b95aed2a [clang-format] Add better support for co-routinues
Responding to a Discord call to help {D113977} and heavily inspired by the unlanded {D34225} add some support to help coroutinues from not being formatted from

```for co_await(auto elt : seq)```

to

```
for
co_await(auto elt : seq)
```

Because of the dominance of clang-format in the C++ community, I don't think we should make it the blocker that prevents users from embracing the newer parts of the standard because we butcher the layout of some of the new constucts.

Reviewed By: HazardyKnusperkeks, Quuxplusone, ChuanqiXu

Differential Revision: https://reviews.llvm.org/D114859
2021-12-02 08:06:43 +00:00
Manuel Klimek 4dcfae6a00 Fix a violated precondition in clang-format.
Make sure we do not try to change line comments that are non-regular, i.e. do
not start with "//" or "#". This can for example happen when "//" is
broken into two lines with an escaped newline.
2021-12-01 14:39:00 +01:00
Manuel Klimek d688b31628 Fix segfault in clang-format.
Fix bug where we'd read past the end of the tokens after merging _T
macro strings.
2021-12-01 11:57:41 +01:00
Manuel Klimek 5978842260 Fix clang-format bug when handling conflict markers.
Previously, clang-format would not correctly identify preprocessor
directives directly following a conflict marker, which would result in
violating the formatter's invariants.

The provided test fails in assert mode before this change.
2021-12-01 11:23:04 +01:00
Elizabeth Andrews 3ad0c6b75e [clang-repl][NFC] Fix calling convention mismatch in test
Test failed on x86 platforms due to a calling convention mismatch
when member function was called like a free function. In this patch,
member function is marked static to address this.
2021-11-30 13:26:10 -08:00
Zarko Todorovski c379911a94 [NFC][Clang]Inclusive language: Replace uses of whitelist in clang/test 2021-11-30 15:06:04 -05:00
mydeveloperday 814aabae37 [clang-format] regressed default behavior for operator parentheses
{D110833} regressed behavior of spaces before parentheses for operators, this revision reverts that so that operators are handled as they were before.

I think in hindsight it was a mistake to try and consume operator behaviour in with the function behaviour, I think Operators can be considered a special style. Its seems the code is getting confused as to if this is a function declaration or definition.

I think latterly we can consider adding an operator parentheses specific custom option but this should have been explicitly called out as it can impact projects.

Reviewed By: HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D114696
2021-11-29 14:27:16 +00:00
Jan Svoboda 12eafd944e [clang][deps] NFC: Clean up wording (ignored vs minimized)
The filesystem used during dependency scanning does two things: it caches file entries and minimizes source file contents. We use the term "ignored file" in a couple of places, but it's not clear what exactly that means. This commit clears up the semantics, explicitly spelling out this relates to minimization.
2021-11-26 12:18:37 +01:00
Balázs Kéri 8e8658b19c [clang][AST] Check context of record in structural equivalence.
The AST structural equivalence check did not differentiate between
a struct and a struct with same name in different namespace. When
type of a member is checked it is possible to encounter such a case
and wrongly decide that the types are similar. This problem is fixed
by check for the namespaces of a record declaration.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D113118
2021-11-26 08:54:34 +01:00
Jesses Gott 813d486cbc [clang-format] Extend AllowShortBlocksOnASingleLine for else blocks
Extend AllowShortBlocksOnASingleLine for else blocks. See https://bugs.llvm.org/show_bug.cgi?id=49722

Reviewed By: HazardyKnusperkeks, owenpan, MyDeveloperDay

Differential Revision: https://reviews.llvm.org/D114320
2021-11-25 19:45:07 +00:00
mydeveloperday c2fe2b5a63 [clang-format] [C++20] [Module] clang-format couldn't recognize partitions
https://bugs.llvm.org/show_bug.cgi?id=52517

clang-format is butchering modules, this could easily become a barrier to entry for modules given clang-formats wide spread use.

Prevent the following from adding spaces around the  `:`  (cf was considering the ':' as an InheritanceColon)

Reviewed By: HazardyKnusperkeks, owenpan, ChuanqiXu

Differential Revision: https://reviews.llvm.org/D114151
2021-11-25 11:51:21 +00:00
mydeveloperday c94667a810 [clang-format] [PR52595] clang-format does not recognize rvalue references to array
https://bugs.llvm.org/show_bug.cgi?id=52595

missing space between `T(&&)` but not between `T (&` due to && being incorrectly thought of as `UnaryOperator`  rather than `PointerOrReference`

```
int operator()(T (&)[N]) { return 0; }
int operator()(T(&&)[N]) { return 1; }
```

Existing Unit tests are changed because actually I think they are originally incorrect, and are inconsistent with the (&) cases that are 4 or 5 lines above them.

Reviewed By: curdeius

Differential Revision: https://reviews.llvm.org/D114519
2021-11-25 11:05:46 +00:00
mydeveloperday 72e4f4a2a1 [clang-format] [PR47936] AfterControlStatement: MultiLine breaks AllowShortFunctionsOnASingleLine
https://bugs.llvm.org/show_bug.cgi?id=47936

Using the MultiLine setting for BraceWrapping.AfterControlStatement appears to disable AllowShortFunctionsOnASingleLine, even in cases without any control statements

Reviewed By: HazardyKnusperkeks, curdeius

Differential Revision: https://reviews.llvm.org/D114521
2021-11-25 08:30:31 +00:00
Balázs Kéri 8804d08e99 Revert "[clang][AST] Check context of record in structural equivalence."
Revert commit 6b96b2a0bf because Windows
test failure.
2021-11-25 09:31:41 +01:00
Zarko Todorovski c79345fb7b [NFC][Clang][test] Inclusive language: Remove and rephrase uses of sanity test/check in clang/test
Part of work to use more inclusive terms in clang/llvm.
2021-11-24 14:03:49 -05:00
Balázs Kéri 6b96b2a0bf [clang][AST] Check context of record in structural equivalence.
The AST structural equivalence check did not differentiate between
a struct and a struct with same name in different namespace. When
type of a member is checked it is possible to encounter such a case
and wrongly decide that the types are similar. This problem is fixed
by check for the namespaces of a record declaration.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D113118
2021-11-24 17:36:15 +01:00
mydeveloperday e7cb3283c8 [clang-format] [PR52527] can join * with /* to form an outside of comment error C4138
https://bugs.llvm.org/show_bug.cgi?id=52527

The follow patch ensures there is always a space between * and /* to prevent transforming
```
void foo(* /* comment */)(int bar);
```
into
```
void foo(*/* comment */)(int bar);
```

Differential Revision: https://reviews.llvm.org/D114142
2021-11-23 10:36:06 +00:00
Balazs Benics f18da190b0 [analyzer][NFC] Switch to using CallDescription::matches() instead of isCalled()
This patch replaces each use of the previous API with the new one.
In variadic cases, it will use the ADL `matchesAny(Call, CDs...)`
variadic function.
Also simplifies some code involving such operations.

Reviewed By: martong, xazax.hun

Differential Revision: https://reviews.llvm.org/D113591
2021-11-19 18:32:13 +01:00
James King 9809c6c61c Add `isInitCapture` and `forEachLambdaCapture` matchers.
This contributes follow-up work from https://reviews.llvm.org/D112491, which
allows for increased control over the matching of lambda captures. This also
updates the documentation for the `lambdaCapture` matcher.

Reviewed By: ymandel, aaron.ballman

Differential Revision: https://reviews.llvm.org/D113575
2021-11-15 22:55:28 +00:00
Balazs Benics 0b9d3a6e53 [analyzer][NFC] Separate CallDescription from CallEvent
`CallDescriptions` deserve its own translation unit.
This patch simply moves the corresponding parts.
Also includes the `CallDescription.h` where it's necessary.

Reviewed By: martong, xazax.hun, Szelethus

Differential Revision: https://reviews.llvm.org/D113587
2021-11-15 19:10:46 +01:00
mydeveloperday fce3eed9f9 [clang-format][c++2b] support removal of the space between auto and {} in P0849R8
Looks like the work of {D113393} requires manual clang-formatting intervention.
Removal of the space between `auto` and `{}`

Reviewed By: HazardyKnusperkeks, Quuxplusone

Differential Revision: https://reviews.llvm.org/D113826
2021-11-14 14:13:44 +00:00
mydeveloperday 6e58d14e5b [clang-format] [PR52228] clang-format csharp inconsistant nested namespace indentation
https://bugs.llvm.org/show_bug.cgi?id=52228

For multilevel namespaces in C# get their content indented when NamespaceIndentation: None is set, where as single level namespaces are formatted correctly.

Reviewed By: HazardyKnusperkeks, jbcoe

Differential Revision: https://reviews.llvm.org/D112887
2021-11-13 14:13:51 +00:00
Steven Wan 42102bce98 [AIX][NFC] Disable clang-repl tests failing due to lack of 64-bit XCOFF support.
The following interpreter tests failed on AIX because 64-bit XCOFF object files are currently not supported on AIX. This patch disables the tests on AIX for the time being.

Reviewed By: Jake-Egan

Differential Revision: https://reviews.llvm.org/D113614
2021-11-11 14:10:42 -05:00
Vassil Vassilev 4fb0805c65 [clang-repl] Allow Interpreter::getSymbolAddress to take a mangled name. 2021-11-10 12:52:05 +00:00
C. Rayroud 6facafe7da [clang-format] Refactor SpaceBeforeParens to add options
The coding style of some projects requires to have more control on space
before opening parentheses.
The goal is to add the support of clang-format to more projects.
For example adding a space only for function definitions or
declarations.
This revision adds SpaceBeforeParensOptions to configure each option
independently from one another.

Differentiel Revision: https://reviews.llvm.org/D110833
2021-11-09 21:51:45 +01:00
Aaron Puchert 196554d42d Comment parsing: Complete list of Doxygen commands
These should be all the commands from [1] except those that are marked
obsolete, and "link" / "endlink", as that conflicts with the existing
HeaderDoc pair "link / "/link". For some commands we don't have the
ideal category, but it should work good enough for most cases.

There seems to be no existing test for most commands (except the ones
interpreted by -Wdocumentation), and to some extent such a test wouldn't
look very interesting. But I added a test for the correct parsing of
formulas, as they're a bit special. And I had to adapt
comment-lots-of-unknown-commands.c because typo correction was kicking
in and recognizing some of the commands.

This should fix a couple of reported bugs: PR17437, PR19581, PR24062
(partially, no diagnostic for matching cond/endcond), PR32909, PR37813,
PR44243 (partially, email@domain.com must be addressed separately).

[1] https://www.doxygen.nl/manual/commands.html

Reviewed By: gribozavr2

Differential Revision: https://reviews.llvm.org/D111190
2021-11-09 18:35:26 +01:00
James King c0b298fc21 Add `LambdaCapture`-related matchers.
This provides better support for `LambdaCapture`s by making them first-
class and allowing them to be bindable. In addition, this implements several
`LambdaCapture`-related matchers. This does not update how lambdas are
traversed. As a result, something like trying to match `lambdaCapture()` by
itself will not work - it must be used as an inner matcher.

Reviewed By: aaron.ballman, sammccall

Differential Revision: https://reviews.llvm.org/D112491
2021-11-08 18:50:54 +00:00
Chuanqi Xu ec117158a3 [Coroutines] [Frontend] Lookup in std namespace first
Now in libcxx and clang, all the coroutine components are defined in
std::experimental namespace.
And now the coroutine TS is merged into C++20. So in the working draft
like N4892, we could find the coroutine components is defined in std
namespace instead of std::experimental namespace.
And the coroutine support in clang seems to be relatively stable. So I
think it may be suitable to move the coroutine component into the
experiment namespace now.

This patch would make clang lookup coroutine_traits in std namespace
first. For the compatibility consideration, clang would lookup in
std::experimental namespace if it can't find definitions in std
namespace. So the existing codes wouldn't be break after update
compiler.

And in case the compiler found std::coroutine_traits and
std::experimental::coroutine_traits at the same time, it would emit an
error for it.

The support for looking up std::experimental::coroutine_traits would be
removed in Clang16.

Reviewed By: lxfind, Quuxplusone

Differential Revision: https://reviews.llvm.org/D108696
2021-11-04 11:53:47 +08:00
Balazs Benics 9b5c9c469d [analyzer] Dump checker name if multiple checkers evaluate the same call
Previously, if accidentally multiple checkers `eval::Call`-ed the same
`CallEvent`, in debug builds the analyzer detected this and crashed
with the message stating this. Unfortunately, the message did not state
the offending checkers violating this invariant.
This revision addresses this by printing a more descriptive message
before aborting.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D112889
2021-11-02 14:42:14 +01:00
Sylvain Audi a82a844961 [clang][deps] Keep #pragma push_macro, pop_macro and include_alias when minimizing source code.
The #pragma directives push_macro/pop_macro and include_alias may influence the #include / import directives encountered by dependency scanning tools like clang-scan-deps.

This patch ensures that those directives are not removed during source code minimization.

Differential Revision: https://reviews.llvm.org/D112088
2021-11-01 16:04:52 -04:00
Raphael Isemann 01b3bd3992 [ASTImporter] Remove ASTNodeImporter::IsStructuralMatch overload for EnumConstantDecl
1. Moves the check to ASTStructuralEquivalence.cpp like all the other checks.

2. Adds the missing checks for identifier and init expression. Also add the
respective tests for that stuff.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D112804
2021-10-30 13:12:12 +02:00
Duncan P. N. Exon Smith 9902362701 Support: Use sys::path::is_style_{posix,windows}() in a few places
Use the new sys::path::is_style_posix() and is_style_windows() in a few
places that need to detect the system's native path style.

In llvm/lib/Support/Path.cpp, this patch removes most uses of the
private `real_style()`, where is_style_posix() and is_style_windows()
are just a little tidier.

Elsewhere, this removes `_WIN32` macro checks. Added a FIXME to a
FileManagerTest that seemed fishy, but maintained the existing
behaviour.

Differential Revision: https://reviews.llvm.org/D112289
2021-10-29 12:09:41 -07:00
Vassil Vassilev f0d527b28d [clang-repl] Remove redundant link libraries and drop unused file.
Many thanks to @thakis for pointing this out.

That commit should have been a part of https://reviews.llvm.org/D107049
2021-10-27 10:13:30 +00:00
Vassil Vassilev c24a58081b Reinstate "[clang-repl] Re-implement clang-interpreter as a test case."
Original commit message: "
  Original commit message: "
    Original commit message: "
       Original commit message:"
         The current infrastructure in lib/Interpreter has a tool, clang-repl, very
         similar to clang-interpreter which also allows incremental compilation.

         This patch moves clang-interpreter as a test case and drops it as conditionally
         built example as we already have clang-repl in place.
       "

       This patch also ignores ppc due to missing weak symbol for __gxx_personality_v0
       which may be a feature request for the jit infrastructure. Also, adds a missing
       build system dependency to the orc jit.
    "

    Additionally, this patch defines a custom exception type and thus avoids the
    requirement to include header <exception>, making it easier to deploy across
    systems without standard location of the c++ headers.
  "

  This patch also works around PR49692 and finds a way to use llvm::consumeError
  in rtti mode.
"

This patch also checks if stl is built with rtti.

Differential revision: https://reviews.llvm.org/D107049
2021-10-26 19:29:56 +00:00
Duncan P. N. Exon Smith da47ec3ca0 Basic: Stop using expectedToOptional() in FileManagerTest, NFC
Remove a couple of uses of expectedToOptional() in FileManagerTest,
using Expected<T>::moveInto() to extract the value instead instead.
2021-10-25 13:44:45 -07:00
Kadir Cetinkaya 333c36bec0
[clang][unittests] Fix shared lib builds 2021-10-25 15:09:45 +02:00
Kadir Cetinkaya 9ab9caf214
[clang] Visit enum base specifiers in libIndex
Fixes https://github.com/clangd/clangd/issues/878.

Differential Revision: https://reviews.llvm.org/D111260
2021-10-25 13:16:14 +02:00
Kadir Cetinkaya 4e4511df8d
[clang] Traverse enum base specifier in RAV 2021-10-25 13:16:14 +02:00
Kadir Cetinkaya ffa96f022c
[clang] Fix range for forward-declared enums
This used to span just the `[[enum foo]] : bar;` in the absence of a
body. This patch expands the range to cover the base specifier, so that the
various consumers can detect the full range of the decl.

Differential Revision: https://reviews.llvm.org/D111259
2021-10-25 13:16:14 +02:00
Balázs Kéri 4ff103c024 [clang][ASTImporter] Fix for importing functions with EST_Unevaluated prototype.
Fix for importing functions where the TypeSourceInfo is set and the
exception specification information contains reference to the function
declaration itself.

Reviewed By: martong, steakhal

Differential Revision: https://reviews.llvm.org/D112013
2021-10-22 09:42:41 +02:00
David Blaikie aee4925507 Recommit: Compress formatting of array type names (int [4] -> int[4])
Based on post-commit review discussion on
2bd8493847 with Richard Smith.

Other uses of forcing HasEmptyPlaceHolder to false seem OK to me -
they're all around pointer/reference types where the pointer/reference
token will appear at the rightmost side of the left side of the type
name, so they make nested types (eg: the "int" in "int *") behave as
though there is a non-empty placeholder (because the "*" is essentially
the placeholder as far as the "int" is concerned).

This was originally committed in 277623f4d5

Reverted in f9ad1d1c77 due to breakages
outside of clang - lldb seems to have some strange/strong dependence on
"char [N]" versus "char[N]" when printing strings (not due to that name
appearing in DWARF, but probably due to using clang to stringify type
names) that'll need to be addressed, plus a few other odds and ends in
other subprojects (clang-tools-extra, compiler-rt, etc).
2021-10-21 11:34:43 -07:00
mydeveloperday 57e00810ed [clang-format] [PR52015] clang-format should put __attribute__((foo)) on its own line before @interface / @implementation / @protocol
https://bugs.llvm.org/show_bug.cgi?id=52015

A newline should be place between attribute and @ for objectivec

Reviewed By: benhamilton, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D111975
2021-10-20 09:09:31 +01:00
Balazs Benics 72d04d7b2b [analyzer] Allow matching non-CallExprs using CallDescriptions
Fallback to stringification and string comparison if we cannot compare
the `IdentifierInfo`s, which is the case for C++ overloaded operators,
constructors, destructors, etc.

Examples:
  { "std", "basic_string", "basic_string", 2} // match the 2 param std::string constructor
  { "std", "basic_string", "~basic_string" }  // match the std::string destructor
  { "aaa", "bbb", "operator int" } // matches the struct bbb conversion operator to int

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D111535
2021-10-18 14:57:24 +02:00
Balazs Benics 5644d15257 [analyzer][NFC] Add unittests for CallDescription and split the old ones
This NFC change accomplishes three things:
1) Splits up the single unittest into reasonable segments.
2) Extends the test infra using a template to select the AST-node
   from which it is supposed to construct a `CallEvent`.
3) Adds a *lot* of different tests, documenting the current
   capabilities of the `CallDescription`. The corresponding tests are
   marked with `FIXME`s, where the current behavior should be different.

Both `CXXMemberCallExpr` and `CXXOperatorCallExpr` are derived from
`CallExpr`, so they are matched by using the default template parameter.
On the other hand, `CXXConstructExpr` is not derived from `CallExpr`.
In case we want to match for them, we need to pass the type explicitly
to the `CallDescriptionAction`.

About destructors:
They have no AST-node, but they are generated in the CFG machinery in
the analyzer. Thus, to be able to match against them, we would need to
construct a CFG and walk on that instead of simply walking the AST.

I'm also relaxing the `EXPECT`ation in the
`CallDescriptionConsumer::performTest()`, to check the `LookupResult`
only if we matched for the `CallDescription`.
This is necessary to allow tests in which we expect *no* matches at all.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D111794
2021-10-18 14:57:24 +02:00
Cyndy Ishida 395e1fe305 [clang] Capture Framework when HeaderSearch is resolved via headermap
When building frameworks, headermaps responsible for mapping angle-included headers to their source file location are passed via
`-I` and not `-index-header-map`. Also, `-index-header-map` is only used for indexing purposes and not during most builds.
This patch holds on to the framework's name in HeaderFileInfo as this is retrieveable for cases outside of IndexHeaderMaps and
still represents the framework that is being built.

resolves: rdar://84046893

Reviewed By: jansvoboda11

Differential Revision: https://reviews.llvm.org/D111468
2021-10-15 09:12:31 -07:00
David Blaikie f9ad1d1c77 Revert "Compress formatting of array type names (int [4] -> int[4])"
Looks like lldb has some issues with this - somehow it causes lldb to
treat a "char[N]" type as an array of chars (prints them out
individually) but a "char [N]" is printed as a string. (even though the
DWARF doesn't have this string in it - it's something to do with the
string lldb generates for itself using clang)

This reverts commit 277623f4d5.
2021-10-14 14:49:25 -07:00
David Blaikie 277623f4d5 Compress formatting of array type names (int [4] -> int[4])
Based on post-commit review discussion on
2bd8493847 with Richard Smith.

Other uses of forcing HasEmptyPlaceHolder to false seem OK to me -
they're all around pointer/reference types where the pointer/reference
token will appear at the rightmost side of the left side of the type
name, so they make nested types (eg: the "int" in "int *") behave as
though there is a non-empty placeholder (because the "*" is essentially
the placeholder as far as the "int" is concerned).
2021-10-14 14:23:32 -07:00
Yitzhak Mandelbaum b6c218d4fd [libTooling] Add "switch"-like Stencil combinator
Adds `selectBound`, a `Stencil` combinator that allows the user to supply multiple alternative cases, discriminated by bound node IDs.

Differential Revision: https://reviews.llvm.org/D111708
2021-10-14 16:45:37 +00:00
Leonard Chan 04aff39504 Revert "Reland "[clang-repl] Re-implement clang-interpreter as a test case.""
This reverts commit 1dba6b37bd.

Reverting because the ClangReplInterpreterExceptionTests test fails on
our builders with this patch.
2021-10-08 17:43:23 -07:00
Reid Kleckner 955dc3449a Fix TargetRegistry shlib build, clang edition 2021-10-08 15:43:56 -07:00
Reid Kleckner 89b57061f7 Move TargetRegistry.(h|cpp) from Support to MC
This moves the registry higher in the LLVM library dependency stack.
Every client of the target registry needs to link against MC anyway to
actually use the target, so we might as well move this out of Support.

This allows us to ensure that Support doesn't have includes from MC/*.

Differential Revision: https://reviews.llvm.org/D111454
2021-10-08 14:51:48 -07:00
James King ac74296562 Add `TypeLoc`-related matchers.
Contributes several matchers that involve `TypeLoc`s. These matchers are (in alphabetical order):

- elaboratedTypeLoc
- hasAnyTemplateArgumentLoc
- hasNamedTypeLoc
- hasPointeeLoc
- hasReferentLoc
- hasReturnTypeLoc
- hasTemplateArgumentLoc
- hasUnqualifiedLoc
- pointerTypeLoc
- qualifiedTypeLoc
- referenceTypeLoc
- templateSpecializationTypeLoc

Reviewed By: ymandel, aaron.ballman

Differential Revision: https://reviews.llvm.org/D111242
2021-10-08 17:42:18 +00:00
Vassil Vassilev 1dba6b37bd Reland "[clang-repl] Re-implement clang-interpreter as a test case."
Original commit message: "
    Original commit message: "
        Original commit message:"
          The current infrastructure in lib/Interpreter has a tool, clang-repl, very
          similar to clang-interpreter which also allows incremental compilation.

          This patch moves clang-interpreter as a test case and drops it as conditionally
          built example as we already have clang-repl in place.

          Differential revision: https://reviews.llvm.org/D107049
        "

        This patch also ignores ppc due to missing weak symbol for __gxx_personality_v0
        which may be a feature request for the jit infrastructure. Also, adds a missing
        build system dependency to the orc jit.
    "

    Additionally, this patch defines a custom exception type and thus avoids the
    requirement to include header <exception>, making it easier to deploy across
    systems without standard location of the c++ headers.
  "

  This patch also works around PR49692 and finds a way to use llvm::consumeError
  in rtti mode.

Differential revision: https://reviews.llvm.org/D107049
2021-10-08 06:04:39 +00:00
Balázs Kéri bcefea80a4 [clang][ASTImporter] Add import of thread safety attributes.
Attributes of "C/C++ Thread safety attributes" section in Attr.td
are added to ASTImporter. The not added attributes from this section
do not need special import handling.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D110528
2021-10-05 13:08:31 +02:00
James King 56e72a40c1 Update `DynTypedNode` to support the conversion of `TypeLoc`s.
This provides better support for `TypeLoc`s to allow `TypeLoc`-related
matchers to feature stricter typing and to avoid relying on the dynamic
casting of `TypeLoc`s in matchers.

Reviewed By: ymandel, tdl-g, sbenza

Differential Revision: https://reviews.llvm.org/D110586
2021-10-04 19:25:24 +00:00
Josh Learn 3d209c76dd [clang-format] Constructor initializer lists format with pp directives
Currently constructor initializer lists sometimes format incorrectly
when there is a preprocessor directive in the middle of the list.
This patch fixes the issue when parsing the initilizer list by
ignoring the preprocessor directive when checking if a block is
part of an initializer list.

rdar://82554274

Reviewed By: MyDeveloperDay, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D109951
2021-10-02 13:23:43 +01:00
Balázs Kéri cad9ff531c [clang][ASTImporter] Import ConstructorUsingShadowDecl correctly.
Fix import of ConstructorUsingShadowDecl and add tests.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D110398
2021-10-01 11:41:08 +02:00