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* PR13403 (+duplicates): implement C++ DR1310 (http://wg21.link/cwg1310).Richard Smith2017-01-191-1/+4
| | | | | | | | | | | | | | | | | | | | | | Under this defect resolution, the injected-class-name of a class or class template cannot be used except in very limited circumstances (when declaring a constructor, in a nested-name-specifier, in a base-specifier, or in an elaborated-type-specifier). This is apparently done to make parsing easier, but it's a pain for us since we don't know whether a template-id using the injected-class-name is valid at the point when we annotate it (we don't yet know whether the template-id will become part of an elaborated-type-specifier). As a tentative resolution to a perceived language defect, mem-initializer-ids are added to the list of exceptions here (they generally follow the same rules as base-specifiers). When the reference to the injected-class-name uses the 'typename' or 'template' keywords, we permit it to be used to name a type or template as an extension; other compilers also accept some cases in this area. There are also a couple of corner cases with dependent template names that we do not yet diagnose, but which will also get this treatment. llvm-svn: 292518
* DR1909: Diagnose all invalid cases of a class member sharing its name with ↵Richard Smith2015-07-061-0/+6
| | | | | | the class. llvm-svn: 241425
* When we start the definition of a class template, set theDouglas Gregor2010-04-301-0/+12
| | | | | | | | | InjectedClassNameType's Decl to point at the definition. It's a little messy, but we do the same thing with classes and their record types, since much of Clang expects that the TagDecl* one gets out of a type is the definition. Fixes several Boost.Proto failures. llvm-svn: 102691
* Create a new InjectedClassNameType to represent bare-word references to the John McCall2010-03-101-0/+6
| | | | | | | | | | | | | injected class name of a class template or class template partial specialization. This is a non-canonical type; the canonical type is still a template specialization type. This becomes the TypeForDecl of the pattern declaration, which cleans up some amount of code (and complicates some other parts, but whatever). Fixes PR6326 and probably a few others, primarily by re-establishing a few invariants about TypeLoc sizes. llvm-svn: 98134
* Reimplement constructor declarator parsing to cope with template-idsDouglas Gregor2010-01-131-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | that name constructors, the endless joys of out-of-line constructor definitions, and various other corner cases that the previous hack never imagined. Fixes PR5688 and tightens up semantic analysis for constructor names. Additionally, fixed a problem where we wouldn't properly enter the declarator scope of a parenthesized declarator. We were entering the scope, then leaving it when we saw the ")"; now, we re-enter the declarator scope before parsing the parameter list. Note that we are forced to perform some tentative parsing within a class (call it C) to tell the difference between C(int); // constructor and C (f)(int); // member function which is rather unfortunate. And, although it isn't necessary for correctness, we use the same tentative-parsing mechanism for out-of-line constructors to improve diagnostics in icky cases like: C::C C::f(int); // error: C::C refers to the constructor name, but // we complain nicely and recover by treating it as // a type. llvm-svn: 93322
* Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar2009-12-151-1/+1
| | | | | | | | | - This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). llvm-svn: 91446
* Use the new statement/expression profiling code to unique dependentDouglas Gregor2009-07-291-1/+9
| | | | | | | | template arguments, as in template specialization types. This permits matching out-of-line definitions of members for class templates that involve non-type template parameters. llvm-svn: 77462
* Implement the semantics of the injected-class-name within a classDouglas Gregor2009-05-101-2/+25
| | | | | | | | | | | | | | | | | | template. The injected-class-name is either a type or a template, depending on whether a '<' follows it. As a type, the injected-class-name's template argument list contains its template parameters in declaration order. As part of this, add logic for canonicalizing declarations, and be sure to canonicalize declarations used in template names and template arguments. A TagType is dependent if the declaration it references is dependent. I'm not happy about the rather complicated protocol needed to use ASTContext::getTemplateSpecializationType. llvm-svn: 71408
* The injected-class-name of class templates and class templateDouglas Gregor2009-03-261-0/+17
specializations can be treated as a template. Finally, we can parse and process the first implementation of Fibonacci I wrote! Note that this code does not handle all of the cases where injected-class-names can be treated as templates. In particular, there's an ambiguity case that we should be able to handle (but can't), e.g., template <class T> struct Base { }; template <class T> struct Derived : Base<int>, Base<char> { typename Derived::Base b; // error: ambiguous typename Derived::Base<double> d; // OK }; llvm-svn: 67720
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