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path: root/lib/Parse/ParseTentative.cpp
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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
2013-04-03Give 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
2013-03-20Teach 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
2013-02-07Add OpenCL samplers as Clang builtin types and check sampler related ↵Guy Benyei
restrictions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Implement OpenCL event_t as Clang builtin type, including event_t related ↵Guy Benyei
OpenCL restrictions (OpenCL 1.2 spec 6.9) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172973 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02s/CXX0X/CXX11/g, except for __GNU_EXPERIMENTAL_CXX0X__, and update a few ↵Richard Smith
nearby 'C++0x' comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171372 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02s/CPlusPlus0x/CPlusPlus11/gRichard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Re-commit r170428 changes with Linux style file endings.Guy Benyei
Add OpenCL images as clang builtin types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170432 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Revert changes from r170428, as I accidentally changed the line endings of ↵Guy Benyei
these files to Windows style. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Add OpenCL images as clang builtin types.Guy Benyei
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Accept and pass arguments to __unknown_anytype in argumentJohn McCall
positions of Objective-C methods. It is possible to recover a lot of type information about Objective-C methods from the reflective metadata for their implementations. This information is not rich when it comes to struct types, however, and it is not possible to produce a type in the debugger's round-tripped AST which will really do anything useful during type-checking. Therefore we allow __unknown_anytype in these positions, which essentially disables type-checking for that argument. We infer the parameter type to be the unqualified type of the argument expression unless that expression is an explicit cast, in which case it becomes the type-as-written of that cast. rdar://problem/12565338 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Add the Microsoft __is_interface_class type trait.John McCall
Patch by Andy Gibbs! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23When disambiguating an expression-statement from a declaraton-statement, if theRichard Smith
statement starts with an identifier for which name lookup will fail either way, look at later tokens to disambiguate in order to improve error recovery. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162464 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18PR41111, PR5925, PR13210: Teach tentative parsing to annotate identifiers andRichard Smith
nested names as id-expressions, using the annot_primary_expr annotation, where possible. This removes some redundant lookups, and also allows us to typo-correct within tentative parsing, and to carry on disambiguating past an identifier which we can determine will fail lookup as both a type and as a non-type, allowing us to disambiguate more declarations (and thus offer improved error recovery for such cases). This also introduces to the parser the notion of a tentatively-declared name, which is an identifier which we *might* have seen a declaration for in a tentative parse (but only if we end up disambiguating the tokens as a declaration). This is necessary to correctly disambiguate cases where a variable is used within its own initializer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162159 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30Improvements to vexing-parse warnings. Make the no-parameters case moreRichard Smith
accurate by asking the parser whether there was an ambiguity rather than trying to reverse-engineer it from the DeclSpec. Make the with-parameters case have better diagnostics by using semantic information to drive the warning, improving the diagnostics and adding a fixit. Patch by Nikola Smiljanic. Some minor changes by me to suppress diagnostics for declarations of the form 'T (*x)(...)', which seem to have a very high false positive rate, and to reduce indentation in 'warnAboutAmbiguousFunction'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-23Do not warn about a function decl / direct init ambiguity if the function ↵Richard Smith
has a trailing return type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160646 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-30Add support for the C11 _Alignof keyword.Jordan Rose
This behaves like the existing GNU __alignof and C++11 alignof keywords; most of the patch is simply adding the third token spelling to various places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-23Support L__FUNCTION__ in microsoft mode, PR11789Nico Weber
Heavily based on a patch from Aaron Wishnick <aaron.s.wishnick@gmail.com>. I'll clean up the duplicated function in CodeGen as a follow-up, later today or tomorrow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-16Recover better from a missing 'typename' in a function template definition.Richard Smith
Disambiguate past such a potential problem, and use the absence of 'typename' to break ties in favor of a parenthesized thingy being an initializer, if nothing else in the declaration disambiguates it as declaring a function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156963 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01A couple of very small tweaks suggested by Doug in reply to r155580 and r155163.Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155870 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-19In Parser::isCXXDeclarationSpecifier, consider a non-type identifierKaelyn Uhrain
followed by an identifier as declaration specificer (except for ObjC). This allows e.g. an out-of-line C++ member function definitions to be recognized as functions and not as variable declarations if the type name for the first parameter is not recognized as a type--say, when there is a function name shadowing an enum type name and the parameter is missing the "enum" keyword needed to distinguish the two. Note that returning TPResult::Error() instead of TPResult::True() appears to have the same end result, while TPResult::Ambiguous() results in a crash. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155163 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Support C++11 attributes at the start of a parameter-declaration.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154476 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10Parsing of C++11 attributes:Richard Smith
* Alternative tokens (such as 'compl') are treated as identifiers in attribute names. * An attribute-list can start with a comma. * An ellipsis may not be used with either of our currently-supported C++11 attributes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10Disambiguation of '[[':Richard Smith
* In C++11, '[[' is ill-formed unless it starts an attribute-specifier. Reject array sizes and array indexes which begin with a lambda-expression. Recover by parsing the lambda as a lambda. * In Objective-C++11, either '[' could be the start of a message-send. Fully disambiguate this case: it turns out that the grammars of message-sends, lambdas and attributes do not actually overlap. Accept any occurrence of '[[' where either '[' starts a message send, but reject a lambda in an array index just like in C++11 mode. Implement a couple of changes to the attribute wording which occurred after our attributes implementation landed: * In a function-declaration, the attributes go after the exception specification, not after the right paren. * A reference type can have attributes applied. * An 'identifier' in an attribute can also be a keyword. Support for alternative tokens (iso646 keywords) in attributes to follow. And some bug fixes: * Parse attributes after declarator-ids, even if they are not simple identifiers. * Do not accept attributes after a parenthesized declarator. * Accept attributes after an array size in a new-type-id. * Partially disamiguate 'delete' followed by a lambda. More work is required here for the case where the lambda-introducer is '[]'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154369 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-09Fix bugs found by -Wconstant-conversion improvements currently under review.David Blaikie
Specifically, using a an integer outside [0, 1] as a boolean constant seems to be an easy mistake to make with things like "x == a || b" where the author intended "x == a || x == b". The bug caused by calling SkipUntil with three token kinds was also identified by a VC diagnostic & reported by Francois Pichet as review feedback for my commit r154163. I've included test cases to verify the error recovery that was broken/poorly implemented due to this bug. The other fix (lib/Sema/SemaExpr.cpp) seems like that code was never actually reached in any of Clang's tests & is related to Objective C features I'm not familiar with, so I've not been able to construct a test case for it. Perhaps someone else can. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-04For PR11916: Add support for g++'s __int128 keyword. Unlike __int128_t, this isRichard Smith
a type specifier and can be combined with unsigned. This allows libstdc++4.7 to be used with clang in c++98 mode. Several other changes are still required for libstdc++4.7 to work with clang in c++11 mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153999 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27If we see '(...' where we're expecting an abstract-declarator, that doesn'tRichard Smith
necessarily mean we've found a function declarator. If the next token is not a ')', this is actually a parenthesized pack expansion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-11Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie
(Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Implement a new type trait __is_trivially_constructible(T, Args...)Douglas Gregor
that provides the behavior of the C++11 library trait std::is_trivially_constructible<T, Args...>, which can't be implemented purely as a library. Since __is_trivially_constructible can have zero or more arguments, I needed to add Yet Another Type Trait Expression Class, this one handling arbitrary arguments. The next step will be to migrate UnaryTypeTrait and BinaryTypeTrait over to this new, more general TypeTrait class. Fixes the Clang side of <rdar://problem/10895483> / PR12038. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Provide the __is_trivially_assignable type trait, which providesDouglas Gregor
compiler support for the std::is_trivially_assignable library type trait. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151240 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Update parser's disambiguation to cope with braced function-style casts inRichard Smith
C++11, and with braced-init-list initializers in conditions. This exposed an ambiguity with enum underlying types versus bitfields, which we resolve by treating 'enum E : T {' as always defining an enumeration (even if it would only successfully parse as a bitfield). This appears to be g++ compatible. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25With a little more work in the tentative parse determining whether a statementNick Lewycky
is a declaration-stmt or an expression, we can discern a subset of cases where the user erred in omitting the typename keyword before a dependent type name. Fixes PR11358! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Support decltype as a simple-type-specifier.David Blaikie
This makes all sorts of fun examples work with decltype. Reviewed by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148787 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-23Mass rename C1x references to C11. The name hasn't proliferated like "C++0x" ↵Benjamin Kramer
so this patch is surprisingly small. Also drop -Wc1x-extensions in favor of -Wc11-extensions. I don't think we need to keep this around for compatibility. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147221 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-20Fix tentative parsing so it knows how to handle an ambiguous ↵Eli Friedman
for-range-declaration. PR11601. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-04Support decltype in nested-name-specifiers.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145785 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-03Implement support for the __is_final type trait, to determine whetherDouglas Gregor
a class is marked 'final', from Alberto Ganesh Barbati! Fixes PR11462. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145775 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Provide half floating point support as a storage only type.Anton Korobeynikov
Lack of half FP was a regression compared to llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142016 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Support for C1x _Atomic specifier (see testcase). This is primarily being ↵Eli Friedman
committed at the moment to help support C++0x <atomic>, but it should be a solid base for implementing the full specification of C1x _Atomic. Thanks to Jeffrey Yasskin for the thorough review! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Add support for alignment-specifiers in C1X and C++11, removePeter Collingbourne
support for the C++0x draft [[align]] attribute and add the C1X standard header file stdalign.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140796 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Modules: introduce the __module_private__ declaration specifier, whichDouglas Gregor
indicates that a declaration is only visible within the module it is declared in. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add support for Microsoft __ptr32 keyword. Francois Pichet
Patch by Chris Cudmore! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138533 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18Add support for MSVC __unaligned attribute. Necessary to parse MSVC headers ↵Francois Pichet
in 64-bit mode (ie: when _M_IA64 or _M_AMD64 is defined) more info: http://msdn.microsoft.com/en-us/library/ms177389.aspx git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137935 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Add support for C++0x unicode string and character literals, from Craig Topper!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22Introduce DelayedCleanupPool useful for simplifying clean-up of certain ↵Argyrios Kyrtzidis
resources that, while their lifetime is well-known and restricted, cleaning them up manually is easy to miss and cause a leak. Use it to plug the leaking of TemplateIdAnnotation objects. rdar://9634138. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133610 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Implement __underlying_type for libc++.Sean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131633 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-13Implement the __is_trivially_copyable type traitSean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131270 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-28Upgrade Microsoft's __int8, __int16, __int32 and __int64 types from builtin ↵Francois Pichet
defines to real types. Otherwise statements like: __int64 var = __int64(0); would be expanded to: long long var = long long(0); and fail to compile. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130369 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-24Add support for '__is_literal_type' spelling of the existingChandler Carruth
'__is_literal' type trait for GCC compatibility. At least one relased version if libstdc++ uses this name for the trait despite it not being documented anywhere. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130078 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-23Implement basic __is_trivial type-trait support, enough to close PR9472.Chandler Carruth
This introduces a few APIs on the AST to bundle up the standard-based logic so that programmatic clients have access to exactly the same behavior. There is only one serious FIXME here: checking for non-trivial move constructors and move assignment operators. Those bits need to be added to the declaration and accessors provided. This implementation should be enough for the uses of __is_trivial in libstdc++ 4.6's C++98 library implementation. Ideas for more thorough test cases or any edge cases missing would be appreciated. =D git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130057 91177308-0d34-0410-b5e6-96231b3b80d8
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