Commit Graph

650 Commits

Author SHA1 Message Date
Sam McCall f1f6e0fc24 [CodeComplete] Improve overload handling for C++ qualified and ref-qualified methods.
Summary:
- when a method is not available because of the target value kind (e.g. an &&
  method on a Foo& variable), then don't offer it.
- when a method is effectively shadowed by another method from the same class
  with a) an identical argument list and b) superior qualifiers, then don't
  offer it.

Reviewers: ilya-biryukov

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62582

llvm-svn: 362785
2019-06-07 09:45:17 +00:00
Ilya Biryukov 30977fc3a9 [CodeComplete] Include more text into typed chunks of pattern completions
Summary:
To allow filtering on any of the words in the editors.
In particular, the following completions were changed:
    - 'using namespace <#name#>'
      Typed text before: 'using', after: 'using namespace'.
    - 'else if (#<condition#>)'
      Before: 'else', after: 'else if'.
    - 'using typename <#qualifier#>::<#name#>'
      Before: 'using', after: 'using typename'.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62615

llvm-svn: 362479
2019-06-04 09:26:08 +00:00
Ilya Biryukov 1a44584588 [CodeComplete] Add a bit more whitespace to completed patterns
Summary:
E.g. we now turn `while(<#cond#>){` into `while (<#cond#>) {`

This slightly improves the final output. Should not affect clients that
format the result on their own.

Reviewers: gribozavr

Reviewed By: gribozavr

Subscribers: jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62616

llvm-svn: 362363
2019-06-03 08:34:25 +00:00
Ilya Biryukov 2fa3188075 [CodeComplete] Add semicolon when completing patterns for 'static_assert' and 'typedef
This is a trivial follow-up to r360042, which added semicolons to other
pattern completions, so sending without review.

llvm-svn: 361974
2019-05-29 15:32:17 +00:00
Ilya Biryukov b1296faee0 [CodeComplete] Set preferred type for qualified-id
Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62514

llvm-svn: 361838
2019-05-28 15:21:03 +00:00
Ilya Biryukov 49e432d030 [CodeComplete] Consistently break after '{' in multi-line patterns
Summary:
Completion can return multi-line patterns in some cases, e.g.

    for (<#init#>; <#cond#>; <#inc#>) {
    <#body#>
    }

However, most patterns break the line only before closing brace,
resulting in code like:

    namespace <#name#> { <#decls#>
    }

While some (e.g. the 'for' example above) are breaking lines after the
opening brace too.

This change ensures all patterns consistently break after the opening
brace, this leads to nicer UX when using those in an actual editor.

Reviewers: gribozavr

Reviewed By: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62405

llvm-svn: 361829
2019-05-28 14:33:16 +00:00
Ilya Biryukov 32497f57df [CodeComplete] Complete 'return true/false' in boolean functions
Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62391

llvm-svn: 361753
2019-05-27 09:52:09 +00:00
Ilya Biryukov 47fd4f06c5 [CodeComplete] Add whitespace around braces in lambda completions
This produces nicer output.
Trivial follow-up to r361461, so sending without review.

llvm-svn: 361645
2019-05-24 16:16:15 +00:00
Ilya Biryukov cabab29af2 [CodeComplete] Filter override completions by function name
Summary:
We put only part of the signature starting with a function name into "typed text"
chunks now, previously the whole signature was "typed text".

This leads to meaningful fuzzy match scores, giving better signals to
compare with other completion items.

Ideally, we would not display the result type to the user, but that requires adding
a new kind of completion chunk.

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: jkorous, arphaman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62298

llvm-svn: 361623
2019-05-24 10:18:39 +00:00
Ilya Biryukov fd11a5f47d [CodeComplete] Only show lambda completions if patterns are requested
This is a trivial follow-up to r361461, so sending without review.

llvm-svn: 361510
2019-05-23 16:39:26 +00:00
Ilya Biryukov 3a2f0e466b [CodeComplete] Complete a lambda when preferred type is a function
Summary: Uses a heuristic to detect std::function and friends.

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62238

llvm-svn: 361461
2019-05-23 07:45:35 +00:00
Ilya Biryukov 600ec01b7e [CodeComplete] Complete enumerators when preferred type is an enum
Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62010

llvm-svn: 360912
2019-05-16 16:06:57 +00:00
Richard Smith 76b9027f35 [c++20] Add support for explicit(bool), as described in P0892R2.
Patch by Tyker!

Differential Revision: https://reviews.llvm.org/D60934

llvm-svn: 360311
2019-05-09 03:59:21 +00:00
Ilya Biryukov 15a37ebb18 [CodeComplete] Add a trailing semicolons to some pattern completions
Summary:
Where semicolon is required in any case. Here's a list of completions
that now have a semicolon:
  - namespace <name> = <target>;
  - using namespace <name>;
  - using <qualifier>::<name>;
  - continue;
  - break;
  - goto <label>;
  - return;
  - return <expression>;

Reviewers: gribozavr

Reviewed By: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61589

llvm-svn: 360042
2019-05-06 13:18:00 +00:00
Hans Wennborg d2b9fc88c8 Revert r359949 "[clang] adding explicit(bool) from c++2a"
This caused Clang to start erroring on the following:

  struct S {
    template <typename = int> explicit S();
  };

  struct T : S {};

  struct U : T {
    U();
  };
  U::U() {}

  $ clang -c /tmp/x.cc
  /tmp/x.cc:10:4: error: call to implicitly-deleted default constructor of 'T'
  U::U() {}
     ^
  /tmp/x.cc:5:12: note: default constructor of 'T' is implicitly deleted
    because base class 'S' has no default constructor
  struct T : S {};
             ^
  1 error generated.

See discussion on the cfe-commits email thread.

This also reverts the follow-ups r359966 and r359968.

> this patch adds support for the explicit bool specifier.
>
> Changes:
> - The parsing for the explicit(bool) specifier was added in ParseDecl.cpp.
> - The storage of the explicit specifier was changed. the explicit specifier was stored as a boolean value in the FunctionDeclBitfields and in the DeclSpec class. now it is stored as a PointerIntPair<Expr*, 2> with a flag and a potential expression in CXXConstructorDecl, CXXDeductionGuideDecl, CXXConversionDecl and in the DeclSpec class.
> - Following the AST change, Serialization, ASTMatchers, ASTComparator and ASTPrinter were adapted.
> - Template instantiation was adapted to instantiate the potential expressions of the explicit(bool) specifier When instantiating their associated declaration.
> - The Add*Candidate functions were adapted, they now take a Boolean indicating if the context allowing explicit constructor or conversion function and this boolean is used to remove invalid overloads that required template instantiation to be detected.
> - Test for Semantic and Serialization were added.
>
> This patch is not yet complete. I still need to check that interaction with CTAD and deduction guides is correct. and add more tests for AST operations. But I wanted first feedback.
> Perhaps this patch should be spited in smaller patches, but making each patch testable as a standalone may be tricky.
>
> Patch by Tyker
>
> Differential Revision: https://reviews.llvm.org/D60934

llvm-svn: 360024
2019-05-06 09:51:10 +00:00
Nicolas Lesser 5fe2ddbdf4 [clang] adding explicit(bool) from c++2a
this patch adds support for the explicit bool specifier.

Changes:
- The parsing for the explicit(bool) specifier was added in ParseDecl.cpp.
- The storage of the explicit specifier was changed. the explicit specifier was stored as a boolean value in the FunctionDeclBitfields and in the DeclSpec class. now it is stored as a PointerIntPair<Expr*, 2> with a flag and a potential expression in CXXConstructorDecl, CXXDeductionGuideDecl, CXXConversionDecl and in the DeclSpec class.
- Following the AST change, Serialization, ASTMatchers, ASTComparator and ASTPrinter were adapted.
- Template instantiation was adapted to instantiate the potential expressions of the explicit(bool) specifier When instantiating their associated declaration.
- The Add*Candidate functions were adapted, they now take a Boolean indicating if the context allowing explicit constructor or conversion function and this boolean is used to remove invalid overloads that required template instantiation to be detected.
- Test for Semantic and Serialization were added.

This patch is not yet complete. I still need to check that interaction with CTAD and deduction guides is correct. and add more tests for AST operations. But I wanted first feedback.
Perhaps this patch should be spited in smaller patches, but making each patch testable as a standalone may be tricky.

Patch by Tyker

Differential Revision: https://reviews.llvm.org/D60934

llvm-svn: 359949
2019-05-04 00:09:00 +00:00
Fangrui Song 899d13926d Use llvm::stable_sort
llvm-svn: 359098
2019-04-24 14:43:05 +00:00
Sam McCall bc7ff89964 [CodeComplete] Fix crash when completing ObjC block parameter with a broken type
Summary:
The fix isn't great, but it's hard to fix properly because the completion
code sensibly uses ParmVarDecl to represent parameters, but the AST-building
code sensibly doesn't synthesize them if the type is broken.
Also this case is apparently really rare, so it's probably not worth bending
over backwards for.

Reviewers: ilya-biryukov

Subscribers: javed.absar, kristof.beyls, arphaman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D60258

llvm-svn: 357686
2019-04-04 11:34:18 +00:00
Duncan P. N. Exon Smith db8a742206 Basic: Return a reference from FileManager::getVirtualFileSystem, NFC
FileManager constructs a VFS in its constructor if it isn't passed one,
and there's no way to reset it.  Make that contract clear by returning a
reference from its accessor.

https://reviews.llvm.org/D59388

llvm-svn: 357038
2019-03-26 22:32:06 +00:00
Bruno Ricci 70ad396bc4 [Sema][NFCI] Don't allocate storage for the various CorrectionCandidateCallback unless we are going to do some typo correction
The various CorrectionCandidateCallbacks are currently heap-allocated
unconditionally. This was needed because of delayed typo correction.
However these allocations represent currently 15.4% of all allocations
(number of allocations) when parsing all of Boost (!), mostly because
of ParseCastExpression, ParseStatementOrDeclarationAfterAttrtibutes
and isCXXDeclarationSpecifier. Note that all of these callback objects
are small. Let's not do this.

Instead initially allocate the callback on the stack, and only do a
heap allocation if we are going to do some typo correction. Do this by:

1. Adding a clone function to each callback, which will do a polymorphic
   clone of the callback. This clone function is required to be implemented
   by every callback (of which there is a fair amount). Make sure this is
   the case by making it pure virtual.

2. Use this clone function when we are going to try to correct a typo.

This additionally cut the time of -fsyntax-only on all of Boost by 0.5%
(not that much, but still something). No functional changes intended.

Differential Revision: https://reviews.llvm.org/D58827

Reviewed By: rnk

llvm-svn: 356925
2019-03-25 17:08:51 +00:00
David Goldman 3e804d2581 Support framework import/include auto-completion
Frameworks filesystem representations:
  UIKit.framework/Headers/%header%

Framework import format:
  #import <UIKit/%header%>

Thus the completion code must map the input format of <UIKit/> to
the path of UIKit.framework/Headers as well as strip the
".framework" suffix when auto-completing the framework name.

llvm-svn: 355008
2019-02-27 17:40:33 +00:00
Ilya Biryukov ff2a99752f [CodeComplete] Propagate preferred type for function arguments in more cases
Summary:
See the added test for some new cases.
This change also removes special code completion calls inside the
ParseExpressionList function now that we properly propagate expected
type to the function responsible for parsing elements of the expression list
(ParseAssignmentExpression).

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: xbolva00, jdoerfert, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D58541

llvm-svn: 354864
2019-02-26 11:01:50 +00:00
Eric Liu 206740e756 [CodeComplete] Collect visited contexts when scope specifier is invalid.
Summary:
This will allow completion consumers to guess the specified scope by
putting together scopes in the context with the specified scope (e.g. when the
specified namespace is not imported yet).

Reviewers: ilya-biryukov

Subscribers: jdoerfert, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D58446

llvm-svn: 354570
2019-02-21 11:22:58 +00:00
Benjamin Kramer 756ecb8e44 Make some helper functions static. NFC.
llvm-svn: 353705
2019-02-11 14:52:15 +00:00
Ilya Biryukov 4f9543b4d6 [CodeComplete] Propagate preferred types through parser in more cases
Preferred types are used by code completion for ranking. This commit
considerably increases the number of points in code where those types
are propagated.

In order to avoid complicating signatures of Parser's methods, a
preferred type is kept as a member variable in the parser and updated
during parsing.

Differential revision: https://reviews.llvm.org/D56723

llvm-svn: 352788
2019-01-31 20:20:32 +00:00
Anastasia Stulova c61eaa5920 Rename getTypeQualifiers to getMethodQualifiers.
Use more descriptive name for the method qualifiers getter.

Differential Revision: https://reviews.llvm.org/D56792

llvm-svn: 352349
2019-01-28 11:37:49 +00:00
Ilya Biryukov c514adef05 [CodeComplete] [clangd] Fix crash on ValueDecl with a null type
Reviewers: kadircet

Reviewed By: kadircet

Subscribers: ioeric, MaskRay, jkorous, arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D57093

llvm-svn: 352040
2019-01-24 10:41:43 +00:00
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00
Bruno Ricci e5bcf0beb1 [Sema][NFC] Fix Wimplicit-fallthrough warning in getCursorKindForDecl
All cases are covered so add an llvm_unreachable. NFC.

llvm-svn: 349933
2018-12-21 17:52:13 +00:00
Ilya Biryukov b45d851bdd [CodeComplete] Properly determine qualifiers of 'this' in a lambda
Summary:
The clang used to pick up the qualifiers of the lamba's call operator
(which is always const) and fail to show non-const methods of 'this' in
completion results.

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D55885

llvm-svn: 349655
2018-12-19 18:01:24 +00:00
Ilya Biryukov 67dbeb6c6a [CodeComplete] Temporarily disable failing assertion
Found the case in the clang codebase where the assertion fires.
To avoid crashing assertion-enabled builds before I re-add the missing
operation.
Will restore the assertion alongside the upcoming fix.

llvm-svn: 349061
2018-12-13 17:23:48 +00:00
Ilya Biryukov 4974d75d7c [CodeComplete] Fill preferred type on binary expressions
Reviewers: kadircet

Reviewed By: kadircet

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D55648

llvm-svn: 349053
2018-12-13 16:06:11 +00:00
Ilya Biryukov 4110967c7b [CodeComplete] Set preferred type to bool on conditions
Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D55431

llvm-svn: 349050
2018-12-13 15:36:32 +00:00
Mikael Nilsson 9d2872db74 [OpenCL] Add generic AS to 'this' pointer
Address spaces are cast into generic before invoking the constructor.

Added support for a trailing Qualifiers object in FunctionProtoType.

Note: This recommits the previously reverted patch, 
      but now it is commited together with a fix for lldb.

Differential Revision: https://reviews.llvm.org/D54862

llvm-svn: 349019
2018-12-13 10:15:27 +00:00
Mikael Nilsson 90646732bf Revert "[OpenCL] Add generic AS to 'this' pointer"
Reverting because the patch broke lldb.

llvm-svn: 348931
2018-12-12 15:06:16 +00:00
Mikael Nilsson 78de84719b [OpenCL] Add generic AS to 'this' pointer
Address spaces are cast into generic before invoking the constructor.

Added support for a trailing Qualifiers object in FunctionProtoType.

Differential Revision: https://reviews.llvm.org/D54862

llvm-svn: 348927
2018-12-12 14:11:59 +00:00
Ilya Biryukov 98397555a5 [CodeComplete] Fix a crash in access checks of inner classes
Summary: The crash was introduced in r348135.

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D55260

llvm-svn: 348387
2018-12-05 17:38:39 +00:00
Ilya Biryukov f1822ec431 [CodeComplete] Cleanup access checking in code completion
Summary: Also fixes a crash (see the added 'accessibility-crash.cpp' test).

Reviewers: ioeric, kadircet

Reviewed By: kadircet

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D55124

llvm-svn: 348135
2018-12-03 13:29:17 +00:00
Fangrui Song 0b9d1b7433 [CodeComplete] Delete unused variable in rC342449
llvm-svn: 347508
2018-11-24 00:41:13 +00:00
Fangrui Song 050229df09 [CodeComplete] Format SemaCodeComplete.cpp and improve code consistency
There are some mis-indented places and missing spaces here and there. Just format the whole file.

Also, newer code (from 2014 onwards) in this file prefers const auto *X = dyn_cast to not repeat the Decl type name. Make other occurrences consistent.
Remove two anonymous namespaces that are not very necessary: 1) a typedef 2) a local function (should use static)

llvm-svn: 347507
2018-11-24 00:14:31 +00:00
Sam McCall 8e9baa3f17 [CodeComplete] Penalize inherited ObjC properties for auto-completion
Summary:
Similar to auto-completion for ObjC methods, inherited properties
should be penalized / direct class and category properties should
be prioritized.

Note that currently, the penalty for using a result from a base class
(CCD_InBaseClass) is equal to the penalty for using a method as a
property (CCD_MethodAsProperty).

Reviewers: jkorous, sammccall, akyrtzi, arphaman, benlangmuir

Reviewed By: sammccall, akyrtzi

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53900

llvm-svn: 347352
2018-11-20 22:06:54 +00:00
Ilya Biryukov ebf0a6d75d [CodeComplete] Do not complete self-initializations
Summary:
Removes references to initialized variable from the following completions:

    int x = ^;

Handles only the trivial cases where the variable name is completed
immediately at the start of initializer or assignment, more complicated
cases aren't covered, e.g. these completions still contain 'x':

    // More complicated expressions.
    int x = foo(^);
    int x = 10 + ^;
    // Other kinds of initialization.
    int x{^};
    int x(^);
    // Constructor initializers.
    struct Foo {
      Foo() : x(^) {}
      int x;
    };

We should address those in the future, but they are outside of the scope of
this initial change.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D54156

llvm-svn: 346301
2018-11-07 10:02:31 +00:00
Kadir Cetinkaya fabaaaaadb [clang] Improve ctor initializer completions.
Summary:
Instead of providing generic "args" for member and base class
initializers, tries to fetch relevant constructors and show their signatures.

Reviewers: ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: ZaMaZaN4iK, eraman, arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53654

llvm-svn: 345844
2018-11-01 15:54:18 +00:00
Erik Pilkington fa98390b3c NFC: Remove the ObjC1/ObjC2 distinction from clang (and related projects)
We haven't supported compiling ObjC1 for a long time (and never will again), so
there isn't any reason to keep these separate. This patch replaces
LangOpts::ObjC1 and LangOpts::ObjC2 with LangOpts::ObjC.

Differential revision: https://reviews.llvm.org/D53547

llvm-svn: 345637
2018-10-30 20:31:30 +00:00
Kadir Cetinkaya b006e0995f [clang] Introduce new completion context types
Summary: New name suggestions were being used in places where existing names should have been used, this patch tries to fix some of those situations.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53191

llvm-svn: 345152
2018-10-24 15:23:49 +00:00
Eric Liu 4a7cd63795 [CodeComplete] Expose InBaseClass signal in code completion results.
Summary:
No new tests as the existing tests for result priority should give us
coverage. Also as the new flag is trivial enough, I'm reluctant to plumb the
flag to c-index-test output.

Reviewers: ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D53635

llvm-svn: 345135
2018-10-24 12:57:27 +00:00
Kadir Cetinkaya 6d57266a8c [clang] Fix a null pointer dereference.
Summary:
Sometimes expression inside switch statement can be invalid, for
example type might be incomplete. In those cases code were causing a null
pointer dereference. This patch fixes that.

Reviewers: sammccall, ioeric, hokein

Reviewed By: sammccall

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53561

llvm-svn: 345029
2018-10-23 13:49:37 +00:00
Eric Liu 2bfd3f5eb7 [CodeComplete] Fix accessibility of protected members when accessing members implicitly.
Reviewers: ilya-biryukov

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53369

llvm-svn: 344889
2018-10-22 08:47:31 +00:00
Eric Liu b87c6eba2e [CodeComplete] Make sure keyword 'template' is added even when code pattern is disabled.
Reviewers: sammccall, hokein

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53284

llvm-svn: 344509
2018-10-15 12:37:23 +00:00
Jonas Devlieghere fc51490baf Lift VFS from clang to llvm (NFC)
This patch moves the virtual file system form clang to llvm so it can be
used by more projects.

Concretely the patch:
 - Moves VirtualFileSystem.{h|cpp} from clang/Basic to llvm/Support.
 - Moves the corresponding unit test from clang to llvm.
 - Moves the vfs namespace from clang::vfs to llvm::vfs.
 - Formats the lines affected by this change, mostly this is the result of
   the added llvm namespace.

RFC on the mailing list:
http://lists.llvm.org/pipermail/llvm-dev/2018-October/126657.html

Differential revision: https://reviews.llvm.org/D52783

llvm-svn: 344140
2018-10-10 13:27:25 +00:00
Sam McCall aeb4b3e632 [CodeComplete] Fix crash when completing params function declarations.
Summary:
In a decl like `int AA(BB cc)` where BB isn't defined, we end up trying to
parse `BB cc` as an expression (vexing parse) and end up triggering the
parser's "recovery-in-function" completion with no actual function
scope.

This patch avoids the assumption that such a scope exists in this context.

Reviewers: kadircet

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D53070

llvm-svn: 344133
2018-10-10 10:51:48 +00:00
Eric Liu b91e08197c [CodeComplete] Re-fix accessibilty of protected members from base class.
Summary:
The initial fix (r337453) had bug and was partially reverted (r338255).
This simplies the original fix by explicitly passing the naming class to the
completion consumer.

Reviewers: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D52647

llvm-svn: 343575
2018-10-02 10:29:00 +00:00
Kadir Cetinkaya ae45d0a4fd [clang] Implement Override Suggestions in Sema.
Summary:
In clangd we had a new type of completion suggestions for cpp
class/struct/unions that will show override signatures for virtual methods in
base classes. This patch implements it in sema because it is hard to deduce more
info about completion token outside of Sema and handle itchy cases.

See the patch D50898 for more info on the functionality.

In addition to above patch this one also converts the suggestion into a
CK_Pattern with whole insertion text as the name of the suggestion and factors
out CodeCompletionString generation for declerations so that it can be re-used
by others.

Reviewers: ioeric, ilya-biryukov

Reviewed By: ioeric

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D52225

llvm-svn: 343568
2018-10-02 09:42:31 +00:00
Sam McCall 3e4f5eb33c [CodeComplete] #include completion treats -I as non-system (require header-like extension).
llvm-svn: 343457
2018-10-01 11:56:42 +00:00
Eric Liu 88de9f6579 [Sema] Do not load macros from preamble when LoadExternal is false.
Reviewers: ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D52079

llvm-svn: 342528
2018-09-19 09:34:55 +00:00
Sam McCall 3d8051abb8 [CodeComplete] Add completions for filenames in #include directives.
Summary:
The dir component ("somedir" in #include <somedir/fo...>) is considered fixed.
We append "foo" to each directory on the include path, and then list its files.

Completions are of the forms:
 #include <somedir/fo^
                   foo.h>
                   fox/

The filter is set to the filename part ("fo"), so fuzzy matching can be
applied to the filename only.

No fancy scoring/priorities are set, and no information is added to
CodeCompleteResult to make smart scoring possible. Could be in future.

Reviewers: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D52076

llvm-svn: 342449
2018-09-18 08:40:41 +00:00
Kadir Cetinkaya 84774c3ae3 [CodeCompletion] Enable signature help when initializing class/struct/union members.
Summary:
Factors out member decleration gathering and uses it in parsing to call signature
help. Doesn't support signature help for base class constructors, the code was too
coupled with diagnostic handling, but still can be factored out but just needs
more afford.

Reviewers: sammccall, ilya-biryukov, ioeric

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51917

llvm-svn: 341949
2018-09-11 15:02:18 +00:00
Ilya Biryukov 832c4afe00 [CodeComplete] Clearly distinguish signature help and code completion.
Summary:
Code completion in clang is actually a mix of two features:
- Code completion is a familiar feature. Results are exposed via the
  CodeCompleteConsumer::ProcessCodeCompleteResults callback.
- Signature help figures out if the current expression is an argument of
  some function call and shows corresponding signatures if so.
  Results are exposed via CodeCompleteConsumer::ProcessOverloadCandidates.

This patch refactors the implementation to untangle those two from each
other and makes some naming tweaks to avoid confusion when reading the
code.

The refactoring is required for signature help fixes, see D51038.

The only intended behavior change is the order of callbacks.
ProcessOverloadCandidates is now called before ProcessCodeCompleteResults.

Reviewers: sammccall, kadircet

Reviewed By: sammccall

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51782

llvm-svn: 341660
2018-09-07 14:04:39 +00:00
Eric Liu d485df17d5 [Sema] Store MacroInfo in CodeCompletionResult for macro results.
Summary:
This provides information about the macro definition. For example, it
can be used to compute macro USRs.

Reviewers: sammccall

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51675

llvm-svn: 341476
2018-09-05 14:59:17 +00:00
Ilya Biryukov 2fab235316 [CodeComplete] Report location of opening parens for signature help
Summary: Used in clangd.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: ioeric, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D51436

llvm-svn: 341063
2018-08-30 13:08:03 +00:00
Ilya Biryukov 55b1b157b6 [CodeComplete] Fix the crash in code completion on access checking
Started crashing in r337453. See the added test case for the crash repro.

The fix reverts part of r337453 that causes the crash and does
not actually break anything when reverted.

llvm-svn: 338255
2018-07-30 15:19:05 +00:00
Richard Smith ef6c43dc0c Refactor checking of switch conditions and case values.
Check each case value in turn while parsing it, performing the
conversion to the switch type within the context of the expression
itself. This will become necessary in order to properly handle cleanups
for temporaries created as part of the case label (in an upcoming
patch). For now it's just good hygiene.

This necessitates moving the checking for the switch condition itself to
earlier, so that the destination type is available when checking the
case labels.

As a nice side-effect, we get slightly improved diagnostic quality and
error recovery by separating the case expression checking from the case
statement checking and from tracking whether there are discarded case
labels.

llvm-svn: 338056
2018-07-26 18:41:30 +00:00
Eric Liu 18b404a521 [CodeComplete] Fix accessibilty of protected members from base class.
Summary:
Currently, protected members from base classes are marked as
inaccessible when completing in derived class. This patch fixes the problem by
setting the naming class correctly when looking up results in base class
according to [11.2.p5].

Reviewers: aaron.ballman, sammccall, rsmith

Reviewed By: aaron.ballman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D49421

llvm-svn: 337453
2018-07-19 13:32:00 +00:00
Kirill Bobyrev 47d7f52dea [clangd] Uprank delcarations when "using q::name" is present in the main file
Having `using qualified::name;` for some symbol is an important signal
for clangd code completion as the user is more likely to use such
symbol.  This patch helps to uprank the relevant symbols by saving
UsingShadowDecl in the new field of CodeCompletionResult and checking
whether the corresponding UsingShadowDecl is located in the main file
later in ClangD code completion routine. While the relative importance
of such signal is a subject to change in the future, this patch simply
bumps DeclProximity score to the value of 1.0 which should be enough for
now.

The patch was tested using

`$ ninja check-clang check-clang-tools`

No unexpected failures were noticed after running the relevant testsets.

Reviewers: sammccall, ioeric

Subscribers: MaskRay, jkorous, cfe-commits

Differential Revision: https://reviews.llvm.org/D49012

llvm-svn: 336810
2018-07-11 14:49:49 +00:00
Eric Liu 00f43c959d [SemaCodeComplete] Expose a method to create CodeCompletionString for macros.
Summary:
The method only takes PPreprocessor and don't require structures that
might not be available (e.g. Sema and ASTContext) when CodeCompletionString
needs to be generated for macros.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D48973

llvm-svn: 336427
2018-07-06 09:43:57 +00:00
Kirill Bobyrev 7cf29bc028 [NFS] Wipe trailing whitespaces
This patch is a preparation for another one containing meaningful
changes. This patch simply removes trailing whitespaces in few files
affected by the upcoming patch and reformats

llvm-svn: 336330
2018-07-05 09:37:26 +00:00
Eric Liu f5ba09f74b [SemaCodeComplete] Make sure visited contexts are passed to completion results handler.
Reviewers: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D48917

llvm-svn: 336255
2018-07-04 10:01:18 +00:00
Ivan Donchevskii b4670fc777 Optionally add code completion results for arrow instead of dot
Currently getting such completions requires source correction, reparsing
and calling completion again. And if it shows no results and rollback is
required then it costs one more reparse.

With this change it's possible to get all results which can be later
filtered to split changes which require correction.

Differential Revision: https://reviews.llvm.org/D41537

llvm-svn: 333272
2018-05-25 12:56:26 +00:00
Richard Smith 7b301e2410 Switch a couple of users of LangOpts::GNUMode to the more appropriate LangOpts::GNUKeywords.
llvm-svn: 333233
2018-05-24 21:51:52 +00:00
Ilya Biryukov a3f955bddb [CodeComplete] Expose helpers to get RawComment of completion result.
Summary: Used in clangd, see D45999.

Reviewers: sammccall, hokein, ioeric, arphaman

Reviewed By: sammccall

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D46001

llvm-svn: 332457
2018-05-16 12:30:01 +00:00
Ilya Biryukov fb9dde7040 [CodeComplete] Provide completion in decls even for incomplete types
Summary:
This change fixes lack of completions in the following case
('^'designates completion points) :

    void f(^);
    struct Incomplete;
    Incomplete g(^);

Reviewers: bkramer, aaron.ballman, sammccall

Reviewed By: aaron.ballman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D46639

llvm-svn: 332244
2018-05-14 13:50:36 +00:00
Adrian Prantl 9fc8faf9e6 Remove \brief commands from doxygen comments.
This is similar to the LLVM change https://reviews.llvm.org/D46290.

We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.

Patch produced by

for i in $(git grep -l '\@brief'); do perl -pi -e 's/\@brief //g' $i & done
for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done

Differential Revision: https://reviews.llvm.org/D46320

llvm-svn: 331834
2018-05-09 01:00:01 +00:00
Alexander Kornienko 2a8c18d991 Fix typos in clang
Found via codespell -q 3 -I ../clang-whitelist.txt
Where whitelist consists of:

  archtype
  cas
  classs
  checkk
  compres
  definit
  frome
  iff
  inteval
  ith
  lod
  methode
  nd
  optin
  ot
  pres
  statics
  te
  thru

Patch by luzpaz! (This is a subset of D44188 that applies cleanly with a few
files that have dubious fixes reverted.)

Differential revision: https://reviews.llvm.org/D44188

llvm-svn: 329399
2018-04-06 15:14:32 +00:00
George Burgess IV 00f70bd933 Remove redundant casts. NFC
So I wrote a clang-tidy check to lint out redundant `isa`, `cast`, and
`dyn_cast`s for fun. This is a portion of what it found for clang; I
plan to do similar cleanups in LLVM and other subprojects when I find
time.

Because of the volume of changes, I explicitly avoided making any change
that wasn't highly local and obviously correct to me (e.g. we still have
a number of foo(cast<Bar>(baz)) that I didn't touch, since overloading
is a thing and the cast<Bar> did actually change the type -- just up the
class hierarchy).

I also tried to leave the types we were cast<>ing to somewhere nearby,
in cases where it wasn't locally obvious what we were dealing with
before.

llvm-svn: 326416
2018-03-01 05:43:23 +00:00
Sam McCall 63c5972039 [CodeComplete] Omit templated constructors from member list too.
Also avoid printing a 'void' return type for constructor expressions.

llvm-svn: 323148
2018-01-22 20:44:47 +00:00
Haojian Wu 10d95c53af [Sema] Add visited contexts to CodeCompleteContext
Summary:
This would allow code completion clients to know which context is visited during Sema code completion.

Also some changes:
 * add `EnteredContext` callback in VisibleDeclConsumer.
 * add a simple unittest for sema code completion (only for visited contexts at the moment).

Reviewers: ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: mgorny, bkramer, cfe-commits

Differential Revision: https://reviews.llvm.org/D42071

llvm-svn: 322661
2018-01-17 14:29:25 +00:00
Sam McCall bb2cf63b32 [CodeComplete] Add an option to omit results from the preamble.
Summary:
Enumerating the contents of a namespace or global scope will omit any
decls that aren't already loaded, instead of deserializing them from the
PCH.

This allows a fast hybrid code completion where symbols from headers are
provided by an external index. (Sema already exposes the information
needed to do a reasonabl job of filtering them).
Clangd plans to implement this hybrid.

This option is just a hint - callers still need to postfilter results if
they want to *avoid* completing decls outside the main file.

Reviewers: bkramer, ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D41989

llvm-svn: 322371
2018-01-12 14:51:47 +00:00
Faisal Vali 090da2d1ac Again reverting an attempt to convert the DeclSpec enums into scoped enums.
- reverts r321622, r321625, and r321626.
  - the use of bit-fields is still resulting in warnings - even though we can use static-asserts to harden the code and ensure the bit-fields are wide enough.  The bots still complain of warnings being seen.
  - to silence the warnings requires specifying the bit-fields with the underlying enum type (as opposed to the enum type itself), which then requires lots of unnecessary static casts of each enumerator within DeclSpec to the underlying-type, which even though could be seen as implementation details, it does hamper readability - and given the additional litterings, makes me question the value of the change.

So in short - I give up (for now at least).  

Sorry about the noise.

llvm-svn: 321628
2018-01-01 18:23:28 +00:00
Faisal Vali 038df49033 [NFC] Modernize enums TypeSpecifierWidth, TypeSpecifierSign & TypeSpecifierType into scoped enums with underlying types.
- Since these enums are used as bit-fields - for the bit-fields to be interpreted as unsigned, the underlying type must be specified as unsigned.

Previous failed attempt - wherein I did not specify an underlying type - was the sum of:
https://reviews.llvm.org/rC321614
https://reviews.llvm.org/rC321615

llvm-svn: 321622
2018-01-01 15:42:13 +00:00
Faisal Vali c535adcfc5 Revert r321614 and r321615
- the enum changes to TypeSpecifierType are breaking some tests - and will require a more careful integration.

Sorry about rushing these changes - thought I could sneak them in prior to heading out for new years ;)

llvm-svn: 321616
2018-01-01 02:49:17 +00:00
Faisal Vali 8736dee017 [NFC] Modernize enums TypeSpecifierWidth, TypeSpecifierSign & TypeSpecifierType into scoped enums.
llvm-svn: 321614
2018-01-01 02:19:52 +00:00
Faisal Vali 421b2d1d8e [NFC] Modernize enum Declarator::TheContext to a type-safe scoped enum.
Note, we don't do any bitwise manipulations when using them.

llvm-svn: 321546
2017-12-29 05:41:00 +00:00
Adrian Prantl f3b3ccda59 Silence a bunch of implicit fallthrough warnings
llvm-svn: 321115
2017-12-19 22:06:11 +00:00
Benjamin Kramer acfa339e15 Refactor overridden methods iteration to avoid double lookups.
Convert most uses to range-for loops. No functionality change intended.

llvm-svn: 320954
2017-12-17 23:52:45 +00:00
Eric Liu fead6ae660 [Sema] Ignore decls in namespaces when global decls are not wanted.
Summary: ... in qualified code completion and decl lookup.

Reviewers: ilya-biryukov, arphaman

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D40562

llvm-svn: 320563
2017-12-13 10:26:49 +00:00
Eric Liu 06d3402816 [SemaCodeComplete] Allow passing out scope specifiers in qualified-id completions via completion context.
Reviewers: ilya-biryukov, arphaman

Reviewed By: arphaman

Subscribers: nik, cfe-commits

Differential Revision: https://reviews.llvm.org/D40563

llvm-svn: 320471
2017-12-12 11:35:46 +00:00
Alex Lorenz f3df1f7bf1 [completion] complete ObjC interface names in an expression
Objective-C interfaces can be used in a class property expression.

rdar://26982192

llvm-svn: 318129
2017-11-14 01:46:24 +00:00
Ilya Biryukov b5da91c875 Avoid printing some redundant name qualifiers in completion
Summary:
Adjusted PrintingPolicy inside code completion to avoid printing some
redundant name qualifiers.

Before this change, typedefs that were written unqualified in source
code were printed with qualifiers in completion. For example, in the
following code

    struct foo {
        typedef int type;
        type method();
    };

completion item for `method` had return type of `foo::type`, even
though the original code used `type` without qualifiers.
After this change, the completion item has return type `type`, as
originally written in the source code.

Note that this change does not suppress qualifiers written by the
user. For example, in the following code

    typedef int type;
    struct foo {
        typedef int type;
        ::type method(foo::type);
    };

completion item for `method` has return type of `::type` and
parameter type of `foo::type`, as originally written in the source
code.

Reviewers: arphaman, bkramer, klimek

Reviewed By: arphaman

Subscribers: mgorny, eraman, cfe-commits

Differential Revision: https://reviews.llvm.org/D38538

llvm-svn: 317677
2017-11-08 10:39:09 +00:00
Ivan Donchevskii 13d9054d2c Test commit
llvm-svn: 316758
2017-10-27 11:05:40 +00:00
Benjamin Kramer e3962aebca Fix overloaded static functions in SemaCodeComplete
https://bugs.llvm.org/show_bug.cgi?id=33904
Happens when static function is accessed via the class variable. That leads to incorrect overloads number because the variable is considered as the first argument.

struct Bar {
  static void foo(); static void foo(int);
};

int main() {
  Bar b;
  b.foo(/*complete here*/); // did not work before
  Bar::foo(/*complete here*/); // worked fine
}

Patch by Ivan Donchevskii!

Differential Revision: https://reviews.llvm.org/D36390

llvm-svn: 316646
2017-10-26 08:41:28 +00:00
Alex Lorenz b874042e32 [code completion] Complete ObjC methods in @implementation without leading
'-'/'+' prefix

rdar://12040840

llvm-svn: 316458
2017-10-24 16:39:37 +00:00
Erik Verbruggen 6524c05d2c Do not add a colon chunk to the code completion of class inheritance access modifiers
With enabled CINDEXTEST_CODE_COMPLETE_PATTERNS env option (which enables
IncludeCodePatterns in completion options) code completion after colon
currently suggests access modifiers with 2 completion chunks which is
incorrect.

Example:
class A : <Cursor>B
{
}

Currently we get 'NotImplemented:{TypedText public}{Colon :} (40)'
but the correct line is just 'NotImplemented:{TypedText public} (40)'

The fix introduces more specific scope that occurs between ':' and '{'
It allows us to determine when we don't need to add ':' as a second
chunk to the public/protected/private access modifiers.

Patch by Ivan Donchevskii!

Differential Revision: https://reviews.llvm.org/D38618

llvm-svn: 316436
2017-10-24 13:46:58 +00:00
Richard Smith 67ef14fe48 Resolve a defect in C++17 copy omission.
When selecting constructors for initializing an object of type T from a single
expression of class type U, also consider conversion functions of U that
convert to T (rather than modeling such conversions as calling a conversion
function and then calling a constructor).

This approach is proposed as the resolution for the defect, and is also already
implemented by GCC.

llvm-svn: 314231
2017-09-26 18:37:55 +00:00
Ilya Biryukov 4e7a6fef81 Set completion priority of destructors and operators to CCP_Unlikely.
Summary:
It will move destructors and operators to the end of completion list.
Destructors and operators are currently very high on the completion
list, as they have the same priority as member functions. However,
they are clearly not something users usually choose in completion
lists.

Reviewers: arphaman, erikjv, bkramer, krasimir

Reviewed By: arphaman

Subscribers: eraman, klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D38081

llvm-svn: 314019
2017-09-22 19:07:37 +00:00
Erik Verbruggen 7ec9107fdc Don't show deleted function (constructor) candidates for code completion
In case of copy constructor is implicitly deleted it's still shown.
PR34402 describes a way to reproduce that.

Patch by Ivan Donchevskii!

Differential Revision: https://reviews.llvm.org/D37435

llvm-svn: 312785
2017-09-08 10:23:08 +00:00
Ilya Biryukov b6d1ec8073 Fixed failing assert in code completion.
Summary:
The code was accessing uninstantiated default argument.
This resulted in failing assertion at ParmVarDecl::getDefaultArg().

Reviewers: erikjv, klimek, bkramer, krasimir

Reviewed By: krasimir

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D35682

llvm-svn: 308722
2017-07-21 09:24:00 +00:00
Erik Verbruggen 797980e0aa Fix compilation problem introduced in r308433
llvm-svn: 308438
2017-07-19 11:15:36 +00:00
Erik Verbruggen 11338c598a Add default values for function parameter chunks
Append optional chunks with their default values. For example:
before - "int i", after - "int i = 10"

Patch by Ivan Donchevskii!
    
Differential Revision: https://reviews.llvm.org/D33644

llvm-svn: 308433
2017-07-19 10:45:40 +00:00
Faisal Vali ac506d7494 [NFC] Refactor the Preprocessor function that handles Macro definitions and rename Arguments to Parameters in Macro Definitions.
- Extracted the reading of the tokens out into a separate function.
  - Replace 'Argument' with 'Parameter' when referring to the identifiers of the macro definition (as opposed to the supplied arguments - MacroArgs - during the macro invocation).

This is in preparation for submitting patches for review to implement __VA_OPT__ which will otherwise just keep lengthening the HandleDefineDirective function and making it less comprehensible.

I will also directly update some extra clang tooling that is broken by the change from Argument to Parameter.

Hopefully the bots will stay appeased.

Thanks!

llvm-svn: 308190
2017-07-17 17:18:43 +00:00
Faisal Vali 0e54e5679e Revert changes from my previous refactoring - will need to fix dependencies in clang's extra tooling (such as clang-tidy etc.).
Sorry about that.

llvm-svn: 308158
2017-07-17 02:03:21 +00:00