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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
2013-04-24Objective-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
2013-04-21The '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
2013-04-16Parser 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
2013-04-16Basic 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
2013-04-13Give this test a triple so that its use of thread_local doesn't make it fail ↵Richard Smith
on the MSVC bot. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179432 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
2013-04-04Make 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
2013-03-28Support 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
2013-03-25Try 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
2013-03-20Do 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
2013-03-05Add quotation marks to template names in diagnostics.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176474 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix warning text of my last patch.Fariborz Jahanian
// rdar://13158394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176308 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28objective-C: clang, following gcc, warns onFariborz Jahanian
use of stand-alone protocol as type and uses id<proto>. Modify warning to say what compiler is doing. // rdar//13158394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176303 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[Sema] Semantic analysis for empty-declaration and attribute-declaration.Michael Han
Introduce a new AST Decl node "EmptyDecl" to model empty-declaration. Have attributes from attribute-declaration appertain to the EmptyDecl node by creating the AST representations of these attributes and attach them to the EmptyDecl node so these attributes can be sema checked just as attributes attached to "normal" declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175900 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Don't accidentally and silently accept C++11 attributes in decl-specifier-seqsRichard Smith
in C++98. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175879 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Per the grammar in [dcl.dcl]p1, a simple-declaration can only have attributesRichard Smith
if it has declarators. We were missing the check for this in a couple of places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175876 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Don't skip '_Alignas' when disambiguating 'final'. '_Alignas' can't appear here,Richard Smith
and we used to assert if it did. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175866 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Add -fbracket-depth=N, analogous to -ftemplate-depth= and -fconstexpr-depth=,Richard Smith
to control the check for the C 5.2.4.1 / C++ [implimits] restriction on nesting levels for parentheses, brackets and braces. Some code with heavy macro use exceeds the default limit of 256, but we don't want to increase it generally to avoid stack overflow on stack-constrained systems. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175855 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20PR15311: Finish implementation of the suggested resolution of core issue 1488,Richard Smith
which allows grouping parens in an abstract-pack-declarator. This was already mostly implemented, but missed some cases. Add an ExtWarn for use of this extension until CWG ratifies it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175660 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Process and handle attributes on conditions and for loop variables. Process andRichard Smith
diagnose attributes on alias declarations, using directives, and attribute declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175649 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19PR15300: Support C++11 attributes on base-specifiers. We don't support any suchRichard Smith
attributes yet, so just issue the appropriate diagnostics. Also generalize the fixit for attributes-in-the-wrong-place code and reuse it here, if attributes are placed after the access-specifier or 'virtual' in a base specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175575 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-02PR15132: Replace "address expression must be an lvalue or a functionRichard Smith
designator" diagnostic with more correct and more human-friendly "cannot take address of rvalue of type 'T'". For the case of & &T::f, provide a custom diagnostic, rather than unhelpfully saying "cannot take address of rvalue of type '<overloaded function type>'". For the case of &array_temporary, treat it just like a class temporary (including allowing it as an extension); the existing diagnostic wording for the class temporary case works fine. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174262 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Downgrade 'attribute ignored when parsing type' from error to warning, to matchRichard Smith
the diagnostic's warn_ name. Switch some places (notably C++11 attributes) which really wanted an error over to a different diagnostic. Finally, suppress the diagnostic entirely for __ptr32, __ptr64 and __w64, to avoid producing diagnostics in important system headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173788 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Implement C++11 [dcl.align]p1 and C11 6.7.5/2 rules for alignas and _Alignas.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29PR15017: A '>' can appear after a type-specifier in a template-argument-list.Richard Smith
It turns out that there's no correctness bug here (because we can't have a type definition in this location), but there was a diagnostic bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173766 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Treat alignas and _Alignas as keyword attributes. This allows us toRichard Smith
pretty-print them properly (modulo the more general badness in alignment attribute printing). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173752 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-26Give a more informative error message when the dot or arrow operator is usedRichard Trieu
on a type. Currently, it gives a generic "expected unqualified-id" error. The new error message is "cannot use (dot|arrow) operator on a type". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173556 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Temporarily disabling ms-asm testRenato Golin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173510 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24Fail these tests in a way that doesn't cause unexpected successes, per Daniel'sChad Rosier
suggestion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173367 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Add a triple, per Ben's suggestion.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173198 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Second attempt to fix ppc bots.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173193 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Add x86 requirement to hopefully fix ppc bots.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173190 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22[ms-inline asm] Remove a warning about ms-style inline assembly not beingChad Rosier
supported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173177 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Fix five more cases of tokens which can legally follow a type specifier.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172886 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Fix parsing of class specifiers before '\n' 'operator'.Nico Weber
r159549 / r159164 regressed clang to reject struct s {}; struct s operator++(struct s a) { return a; } This fixes the regression. Richard, pleas check if this looks right. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172834 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Parsing support for C11's _Noreturn keyword. No semantics yet.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172761 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Implement C++11 semantics for [[noreturn]] attribute. This required splittingRichard Smith
it apart from [[gnu::noreturn]] / __attribute__((noreturn)), since their semantics are not equivalent (for instance, we treat [[gnu::noreturn]] as affecting the function type, whereas [[noreturn]] does not). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172691 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Add a test for -Wsemicolon-before-method-body fixitDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172545 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15PR14918: Don't confuse braced-init-lists after template variable declarationsRichard Smith
with function definitions. We really should remove Parser::isDeclarationAfterDeclarator entirely, since it's meaningless in C++11 (an open brace could be either a function definition or an initializer, which is what it's trying to differentiate between). The other caller of it happens to be correct right now... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172510 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Fix behavior of [[gnu::]] function attributes. Per g++'s behavior, theseRichard Smith
attributes appertain to a declaration, even though they would be much more naturally modelled as appertaining to a function type. Previously, we would try to distribute them from the declarator to the function type, then reject them for being at an incorrect location. Now, we just distribute them as far as the declarator; the existing attribute handling code can actually apply them there just fine. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172504 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Accept [[gnu::*]] for all __attribute__((*))s which are:Richard Smith
1) Supported by Clang, and 2) Supported by GCC, and 3) Documented in GCC's manual. g++ allows its C++11-style attributes to appertain only to the entity being declared, and never to a type (even for a type attribute), so we do the same. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172382 91177308-0d34-0410-b5e6-96231b3b80d8
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