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2009-09-09Remove tabs, and whitespace cleanups.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-02Rewrite of our handling of name lookup in C++ member access expressions, e.g.,Douglas Gregor
x->Base::f We no longer try to "enter" the context of the type that "x" points to. Instead, we drag that object type through the parser and pass it into the Sema routines that need to know how to perform lookup within member access expressions. We now implement most of the crazy name lookup rules in C++ [basic.lookup.classref] for non-templated code, including performing lookup both in the context of the type referred to by the member access and in the scope of the member access itself and then detecting ambiguities when the two lookups collide (p1 and p4; p3 and p7 are still TODO). This change also corrects our handling of name lookup within template arguments of template-ids inside the nested-name-specifier (p6; we used to look into the scope of the object expression for them) and fixes PR4703. I have disabled some tests that involve member access expressions where the object expression has dependent type, because we don't yet have the ability to describe dependent nested-name-specifiers starting with an identifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80843 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26When we know that we are parsing a class-name, implicitly construct aDouglas Gregor
TypenameType if getTypeName is looking at a member of an unknown specialization. This allows us to properly parse class templates that derived from type that could only otherwise be described by a typename type, e.g., template<class T> struct X {}; template<typename T> struct Y : public X<T>::X { }; Fixes PR4381. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80123 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26Fix bug in __extension__ handling for declarations, from AbramoDouglas Gregor
Bagnara with a fix from Enea Zaffanella! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25Improve support for out-of-line definitions of nested templates andDouglas Gregor
their members, including member class template, member function templates, and member classes and functions of member templates. To actually parse the nested-name-specifiers that qualify the name of an out-of-line definition of a member template, e.g., template<typename X> template<typename Y> X Outer<X>::Inner1<Y>::foo(Y) { return X(); } we need to look for the template names (e.g., "Inner1") as a member of the current instantiation (Outer<X>), even before we have entered the scope of the current instantiation. Since we can't do this in general (i.e., we should not be looking into all dependent nested-name-specifiers as if they were the current instantiation), we rely on the parser to tell us when it is parsing a declaration specifier sequence, and, therefore, when we should consider the current scope specifier to be a current instantiation. Printing of complicated, dependent nested-name-specifiers may be somewhat broken by this commit; I'll add tests for this issue and fix the problem (if it still exists) in a subsequent commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80044 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-21Introduce support for constructor templates, which can now be declaredDouglas Gregor
and will participate in overload resolution. Unify the instantiation of CXXMethodDecls and CXXConstructorDecls, which had already gotten out-of-sync. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79658 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Keep track of the right paren ')' source location in a function declarator.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79489 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16AddInitializerToDecl can't take a FullExprArg. Make it take an ExprArg, and ↵Anders Carlsson
create the CXXExprWithTemporaries before setting the initializer on the VarDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Patch should implement packed enums - PR4098. Credit to Anders Johnsen.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78471 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06First pass at friend semantics.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Refactor methods on DeclSpec to take a diagnostic& parameter, and reflect thisJohn McCall
elsewhere. Very slightly decouples DeclSpec users from knowing the exact diagnostics to report, and makes it easier to provide different diagnostics in some places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31Rename Action::TagKind to Action::TagUseKind, which removes both a misnomerJohn McCall
and a name collision. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77658 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31sp.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77656 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23Clean up the ActOnTag action, so that there is only a single entryDouglas Gregor
point that covers templates and non-templates. This should eliminate the flood of warnings I introduced yesterday. Removed the ActOnClassTemplate action, which is no longer used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76881 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20Issue a more descriptive diagnostics when mis-declaringFariborz Jahanian
a destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76436 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14Basic support for C++0x unicode types. Support for literals will follow in ↵Alisdair Meredith
an incremental patch git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14Pass the right brace SourceLocation from the Parser to the TagDecls.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75591 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-11Implement more of C++0x 'auto'. A variable with an auto type specifier must ↵Anders Carlsson
have an initializer. Also, move some tests around to match the C++0x draft better. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75322 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06Parsing fix for out-of-line constructors, from Piotr RakDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74833 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06Keep track of the Expr used to describe the size of an array type,Douglas Gregor
from Enea Zaffanella! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74831 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30Fix: <rdar://problem/7021553> clang -fsyntax-only crashes (in ↵Ted Kremenek
ParseDeclarationSpecifiers ... from ParseObjCTypeName) Another case where we should use SmallVector::data() instead of taking the address of element 0 of a SmallVector when the SmallVector has no elements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74556 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26Fix test.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74358 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26Implement enough of the 'auto' keyword so we can claim to support N2546.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74307 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26OpenCL 1.0 support: attributesNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74280 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24Parse the C++0x decltype specifier.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-23Start propagating template parameter lists to the right places toDouglas Gregor
handle function templates. There's no actual code for function templates yet, but at least we complain about typedef templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74021 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-22Implement implicit instantiation of the member functions of a class templateDouglas Gregor
specialization. At present, all implicit instantiations occur at the end of the translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73915 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-19Keep track of when declarations are "used" according to C andDouglas Gregor
C++. This logic is required to trigger implicit instantiation of function templates and member functions of class templates, which will be implemented separately. This commit includes support for -Wunused-parameter, printing warnings for named parameters that are not used within a function/Objective-C method/block. Fixes <rdar://problem/6505209>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73797 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-17Implement correct name lookup inside an initializer of a C++ class static ↵Argyrios Kyrtzidis
data member. Fixes "test/CXX/basic/basic.lookup/basic.lookup.unqual/p13.cpp" test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73652 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12It's an error to use a function declared in a class definition as a default ↵Anders Carlsson
argument before the function has been declared. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73234 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08Add more parser support for Microsoft extensions.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08Add real parsing for __declspec. It doesn't make much of a difference Eli Friedman
at the moment because we ignore the result. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73056 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-31Disallow exception specs on typedefs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30AddInitializerToDecl needs to take a full expression.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-29Reject incomplete types in exception specs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72580 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-29If a declarator group declares a type, make sure to add that declaration Eli Friedman
to the DeclGroup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72559 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-28When we parse a tag specifier, keep track of whether that tagDouglas Gregor
specifier resulted in the creation of a new TagDecl node, which happens either when the tag specifier was a definition or when the tag specifier was the first declaration of that tag type. This information has several uses, the first of which is implemented in this commit: 1) In C++, one is not allowed to define tag types within a type specifier (e.g., static_cast<struct S { int x; } *>(0) is ill-formed) or within the result or parameter types of a function. We now diagnose this. 2) We can extend DeclGroups to contain information about any tags that are declared/defined within the declaration specifiers of a variable, e.g., struct Point { int x, y, z; } p; This will help improve AST printing and template instantiation, among other things. 3) For C99, we can keep track of whether a tag type is defined within the type of a parameter, to properly cope with cases like, e.g., int bar(struct T2 { int x; } y) { struct T2 z; } We can also do similar things wherever there is a type specifier, e.g., to keep track of where the definition of S occurs in this legal C99 code: (struct S { int x, y; } *)0 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72555 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Refactor the common code of 'ParseTypeofSpecifier' and ↵Argyrios Kyrtzidis
'ParseSizeofAlignofExpression' into a new 'ParseExprAfterTypeofSizeofAlignof' method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Parse typeof-specifier the same way as sizeof/alignof are parsed.Argyrios Kyrtzidis
-Makes typeof consistent with sizeof/alignof -Fixes a bug when '>' is in a typeof expression, inside a template type param: A<typeof(x>1)> a; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72255 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Merge the ASTVector and ASTOwningVector templates, since they offeredDouglas Gregor
redundant functionality. The result (ASTOwningVector) lives in clang/Parse/Ownership.h and is used by both the parser and semantic analysis. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72214 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Use v.data() instead of &v[0] when SmallVector v might be empty.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72210 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Implement a FIXME, we now pass in the locations of the braces for enums.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71930 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-12Implement parsing for explicit instantiations of class templates, e.g.,Douglas Gregor
template class X<int>; This also cleans up the propagation of template information through declaration parsing, which is used to improve some diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71608 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-12Refactor the parsing of declarations so that template declarations canDouglas Gregor
parse just a single declaration and provide a reasonable diagnostic when the "only one declarator per template declaration" rule is violated. This eliminates some ugly, ugly hackery where we used to require thatn the layout of a DeclGroup of a single element be the same as the layout of a single declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71596 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Add parsing of friend specifiers.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71067 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Rework the way we handle constructor decls to be less hacky and fix PR3948 ↵Anders Carlsson
completely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70516 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Just because a declaration has the same name as its containing class doesn't ↵Anders Carlsson
mean that it's a constructor. Fixes rdar://problem/6815988. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70436 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Have the parser communicate the exception specification to the action.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70389 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25This is a pretty big cleanup for how invalid decl/type are handle.Chris Lattner
This gets rid of a bunch of random InvalidDecl bools in sema, changing us to use the following approach: 1. When analyzing a declspec or declarator, if an error is found, we set a bit in Declarator saying that it is invalid. 2. Once the Decl is created by sema, we immediately set the isInvalid bit on it from what is in the declarator. From this point on, sema consistently looks at and sets the bit on the decl. This gives a very clear separation of concerns and simplifies a bunch of code. In addition to this, this patch makes these changes: 1. it renames DeclSpec::getInvalidType() -> isInvalidType(). 2. various "merge" functions no longer return bools: they just set the invalid bit on the dest decl if invalid. 3. The ActOnTypedefDeclarator/ActOnFunctionDeclarator/ActOnVariableDeclarator methods now set invalid on the decl returned instead of returning an invalid bit byref. 4. In SemaType, refering to a typedef that was invalid now propagates the bit into the resultant type. Stuff declared with the invalid typedef will now be marked invalid. 5. Various methods like CheckVariableDeclaration now return void and set the invalid bit on the decl they check. There are a few minor changes to tests with this, but the only major bad result is test/SemaCXX/constructor-recovery.cpp. I'll take a look at this next. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70020 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24fix the sizeof error recovery issue (sizeof-interface.m:attributeRuns)Chris Lattner
by correctly propagating the fact that the type was invalid up to the attributeRuns decl, then returning an ExprError when attributeRuns is formed (like we do for normal declrefexprs). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69998 91177308-0d34-0410-b5e6-96231b3b80d8
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