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2013-05-06Move PragmaCommentHandler to lib/Parse in preparation for calling SemaReid Kleckner
Summary: No functionality change. The existing tests for this pragma only verify that we can preprocess it. Reviewers: rsmith CC: cfe-commits Differential Revision: http://llvm-reviews.chandlerc.com/D751 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181246 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-05Replace 'MultiExprArg()' with 'None'Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181166 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-05Replace ArrayRef<T>() with None, now that we have an implicit ArrayRef ↵Dmitri Gribenko
constructor from None Patch by Robert Wilhelm. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181139 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04Properly parsing __declspec(safebuffers), though there is no semantic ↵Aaron Ballman
hookup. For more information about safebuffers, see MSDN: http://msdn.microsoft.com/en-us/library/dd778695(v=vs.110).aspx git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181123 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04Separate out and special-case the diagnostic for 'auto' in aRichard Smith
conversion-type-id, in preparation for this becoming valid in c++1y mode. No functionality change; small diagnostic improvement. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181089 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03<rdar://problem/13806270> A template argument list is a constant-evaluated ↵Douglas Gregor
context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181076 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Move CapturedStmt parameters to CapturedDeclBen Langmuir
Move the creation of CapturedStmt parameters out of CodeGen and into Sema, making it easier to customize the outlined function. The ImplicitParamDecls are stored in the CapturedDecl using an ASTContext-allocated array. Differential Revision: http://llvm-reviews.chandlerc.com/D722 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181043 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Move parsing of identifiers in MS-style inline assembly intoJohn McCall
the actual parser and support arbitrary id-expressions. We're actually basically set up to do arbitrary expressions here if we wanted to. Assembly operands permit things like A::x to be written regardless of language mode, which forces us to embellish the evaluation context logic somewhat. The logic here under template instantiation is incorrect; we need to preserve the fact that an expression was unevaluated. Of course, template instantiation in general is fishy here because we have no way of delaying semantic analysis in the MC parser. It's all just fishy. I've also fixed the serialization of MS asm statements. This commit depends on an LLVM commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180976 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-02Use attribute argument information to determine when to parse attribute ↵Douglas Gregor
arguments as expressions. This change partly addresses a heinous problem we have with the parsing of attribute arguments that are a lone identifier. Previously, we would end up parsing the 'align' attribute of this as an expression "(Align)": template<unsigned Size, unsigned Align> class my_aligned_storage { __attribute__((align((Align)))) char storage[Size]; }; while this would parse as a "parameter name" 'Align': template<unsigned Size, unsigned Align> class my_aligned_storage { __attribute__((align(Align))) char storage[Size]; }; The code that handles the alignment attribute would completely ignore the parameter name, so the while the first of these would do what's expected, the second would silently be equivalent to template<unsigned Size, unsigned Align> class my_aligned_storage { __attribute__((align)) char storage[Size]; }; i.e., use the maximal alignment rather than the specified alignment. Address this by sniffing the "Args" provided in the TableGen description of attributes. If the first argument is "obviously" something that should be treated as an expression (rather than an identifier to be matched later), parse it as an expression. Fixes <rdar://problem/13700933>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180973 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-02Revert r180970; it's causing breakage.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180972 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-02Use attribute argument information to determine when to parse attribute ↵Douglas Gregor
arguments as expressions. This change partly addresses a heinous problem we have with the parsing of attribute arguments that are a lone identifier. Previously, we would end up parsing the 'align' attribute of this as an expression "(Align)": template<unsigned Size, unsigned Align> class my_aligned_storage { __attribute__((align((Align)))) char storage[Size]; }; while this would parse as a "parameter name" 'Align': template<unsigned Size, unsigned Align> class my_aligned_storage { __attribute__((align(Align))) char storage[Size]; }; The code that handles the alignment attribute would completely ignore the parameter name, so the while the first of these would do what's expected, the second would silently be equivalent to template<unsigned Size, unsigned Align> class my_aligned_storage { __attribute__((align)) char storage[Size]; }; i.e., use the maximal alignment rather than the specified alignment. Address this by sniffing the "Args" provided in the TableGen description of attributes. If the first argument is "obviously" something that should be treated as an expression (rather than an identifier to be matched later), parse it as an expression. Fixes <rdar://problem/13700933>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180970 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-30Fix PR15845: apparently MSVC does not support implicit int in C++ mode.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180822 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-30Don't treat a non-deduced 'auto' type as being type-dependent. Instead, thereRichard Smith
are now two distinct canonical 'AutoType's: one is the undeduced 'auto' placeholder type, and the other is a deduced-but-dependent type. All deduced-to-a-non-dependent-type cases are still non-canonical. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Fix a typo in a parse assert.Fariborz Jahanian
Patch by Alex Denisov. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180712 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Small CapturedStmt improvementsBen Langmuir
Add a CapturedStmt.h similar to Lambda.h to reduce the typing required to get to the CapturedRegionKind enum. This also allows codegen to access this enum without including Sema/ScopeInfo.h. Also removes some duplicated code for capturing 'this' between CapturedStmt and Lambda. Differential Revision: http://llvm-reviews.chandlerc.com/D712 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180710 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Keep the parser's template depth up to date when parsing local templates andRichard Smith
late-parsed templates. Patch by Faisal Vali! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180708 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Properly reenter multiple contexts when parsing a late-parsed function templateRichard Smith
within a dependent context. Patch by Will Wilson (+clang-format)! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180702 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27ArrayRef'ize Sema::ActOnEnumBody. No functionality change.Dmitri Gribenko
Patch by Robert Wilhelm. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180682 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Implement C++1y decltype(auto).Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180610 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-24Objective-C parsing [qoi]: Recover gracefully with good diagnosticFariborz Jahanian
when class implementation declaration adds protocol qualifier list. // rdar://12233858 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180228 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-23Warn that scoped enumerations are a C++11 extenstion when compiling inRichard Trieu
C++98 mode. This improves on the previous diagnostic message of: error: expected identifier or '{' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180076 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-21The 'constexpr implies const' rule for non-static member functions is gone inRichard Smith
C++1y, so stop adding the 'const' there. Provide a compatibility warning for code relying on this in C++11, with a fix-it hint. Update our lazily-written tests to add the const, except for those ones which were testing our implementation of this rule. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-18Objective-C++: Enable passing of modern C++11 style Fariborz Jahanian
initialized temporaries to objc++ methods. // rdar://12788429 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179818 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-18Objective-C parsing [qoi]: Provide good recovery whenFariborz Jahanian
Objective-C dictionary literals has bad syntax for the separator. // rdar://10679157 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179784 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-18[Parser] Handle #pragma pack/align inside C structs.Argyrios Kyrtzidis
Fixes PR13580. Patch by Serge Pavlov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179743 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Sema for Captured StatementsTareq A. Siraj
Add CapturedDecl to be the DeclContext for CapturedStmt, and perform semantic analysis. Currently captures all variables by reference. TODO: templates Author: Ben Langmuir <ben.langmuir@intel.com> Differential Revision: http://llvm-reviews.chandlerc.com/D433 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179618 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Parser support for #pragma clang __debug capturedTareq A. Siraj
This patch implements parsing ‘#pragma clang __debug’ as a first step for implementing captured statements. Captured statements are a mechanism for doing outlining in the AST. see http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-January/027540.html. Currently returns StmtEmpty Author: Andy Zhang <andy.zhang@intel.com> Differential Revision: http://llvm-reviews.chandlerc.com/D369 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179614 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Fix PR4296: Add parser detection/error recovery for nested functions, from ↵Douglas Gregor
Serve Pavlov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Basic support for Microsoft property declarations andJohn McCall
references thereto. Patch by Tong Shen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179585 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12Parsing support for thread_local and _Thread_local. We give them the sameRichard Smith
semantics as __thread for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179424 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13540921> Fix a crasher when an Objective-C for-in loop gets ↵Douglas Gregor
a non-variable iteration declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179053 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Make the ObjC attributes diagnostics a bit more informative.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178720 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Emit a nicer diagnostic for misplaced attributes on ObjC directives.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178670 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Give the default CorrectionCandidateCallback::ValidateCandidate someKaelyn Uhrain
smarts so that it doesn't approve of keywords and/or type names when it knows (based on its flags) that those kinds of corrections are not wanted. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178668 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Enable use of _Static_assert inside structs and unions in C11 mode (as per ↵Andy Gibbs
C11 6.7.2.1p1). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178632 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Assert that Parser::ParseStructUnionBody is not called for C++ code.Andy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178631 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Objective-C arc [qui]. Don't issue the bridge castFariborz Jahanian
warning when doing a __bride cast in non-arc mode (which has no retain count effect). // rdar://13514210 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178592 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01PR15633: Note that we are EnteringContext when parsing the nested nameRichard Smith
specifier for an enumeration. Also fix a crash-on-invalid if a non-dependent name specifier is used to declare an enum template. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178502 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Support C11 _Atomic type qualifier. This is more-or-less just syntactic ↵Richard Smith
sugar for the _Atomic type specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178210 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[Parser] Don't code-complete twice.Argyrios Kyrtzidis
When we are consuming the current token just to enter a new token stream, we push the current token in the back of the stream so that we get it again. Unfortunately this had the effect where if the current token is a code-completion one, we would code-complete once during consuming it and another time after the stream ended. Fix this by making sure that, in this case, ConsumeAnyToken() will consume a code-completion token without invoking code-completion. rdar://12842503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178199 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Implement compiler intrinsics needed for compatibility with MSVC 2012 ↵Joao Matos
<type_traits>. Patch by me and Ryan Molden. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178111 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26Implement special-case name lookup for inheriting constructors: memberRichard Smith
using-declarations with names which look constructor-like are interpreted as constructor names. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177957 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25Try harder to be signal-safe inside our signal handler. The most prominent ↵Nick Lewycky
behavioural difference is that we no longer clean the token before emitting it. This fixes a bug where clang hangs in the middle of crashing because the crash handler calls malloc from inside a crash that happened inside of free. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177919 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22OpenMP threadprivate directive parsing and semantic analysisAlexey Bataev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Fix a crash-on-valid where a block capture copy expression wasJohn McCall
picking up cleanups from earlier in the statement. Also fix a crash-on-invalid where a reference to an invalid decl from an enclosing scope was causing an expression to fail to build, but only *after* a cleanup was registered from that statement, causing an assertion downstream. The crash-on-valid is rdar://13459289. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177692 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Do the error recovery for @end only.Fariborz Jahanian
I am not sure how much we can improve for when a randon ObjC keyword is thrown into the ivar decl. block. // rdar://6854840 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177553 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Objective-C [qoi] more gracefull recovery when Fariborz Jahanian
'}' is missing for the ivar declarations. // rdar://6854840 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177549 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Teach statement / declaration disambiguation about C++11-style generalized ↵Richard Smith
initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177480 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19Objective-C [qoi]: Provide improved parse diagnostics whenFariborz Jahanian
closing rbrace is missing in an ObjC class declaration. Can do beter than this, but it involves addition of overhead which will be present in correct code. // rdar://6854840 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177435 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-18Add missing diagnostic for a nested-name-specifier on a free-standing type ↵Richard Smith
definition. Bump some related diagnostics from warning to extension in C++, since they're errors there. Add some missing checks for function specifiers on non-function declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177335 91177308-0d34-0410-b5e6-96231b3b80d8
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