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path: root/lib/Sema/SemaDecl.cpp
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2009-11-03Use ParseUnqualifiedId when parsing id-expressions. This eliminatesDouglas Gregor
yet another copy of the unqualified-id parsing code. Also, use UnqualifiedId to simplify the Action interface for building id-expressions. ActOnIdentifierExpr, ActOnCXXOperatorFunctionIdExpr, ActOnCXXConversionFunctionExpr, and ActOnTemplateIdExpr have all been removed in favor of the new ActOnIdExpression action. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85904 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Introduce a new class, UnqualifiedId, that provides a parsedDouglas Gregor
representation of a C++ unqualified-id, along with a single parsing function (Parser::ParseUnqualifiedId) that will parse all of the various forms of unqualified-id in C++. Replace the representation of the declarator name in Declarator with the new UnqualifiedId class, simplifying declarator-id parsing considerably and providing more source-location information to Sema. In the future, I hope to migrate all of the other unqualified-id-parsing code over to this single representation, then begin to merge actions that are currently only different because we didn't have a unqualified notion of the name in the parser. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Make sure to call CompleteConstructorCall for bases and members that are ↵Anders Carlsson
initialized implicitly in constructors so that default arguments etc are set correctly. Fixes PR5283. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85510 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Track source information for template arguments and template specializationJohn McCall
types. Preserve it through template instantiation. Preserve it through PCH, although TSTs themselves aren't serializable, so that's pretty much meaningless. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85500 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28Use array's base element type in getting to itsFariborz Jahanian
constructor. WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85420 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28Removed an unnecessary arguement passed to InitializeVarWithConstructorFariborz Jahanian
which should come from the variable and wasn't correct for arrays in any case. No change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85415 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Rename FunctionDecl::isInline/setInline toDouglas Gregor
FunctionDecl::isInlineSpecified/setInlineSpecified. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85305 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Almost missed this one... Doc update for last change.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85196 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Refine noreturn handling. Fixes -Wmissing-noreturn so that it doesn'tMike Stump
complain that functions that have a return statement should be declared noreturn. Fixed PR5286. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85195 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Use a pred_iterator instead of a succ_iterator (wrong typedef).Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Fix PR5298 - -Wmissing-noreturn shouldn't warn if the function is alreadyChris Lattner
declared noreturn. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85075 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Make sure we actually have a definition before asking if it is implicit. ↵Sebastian Redl
Fixes PR4674. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85072 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25When parsing a top level struct declaration, make sure to Chris Lattner
process decl attributes instead of dropping them on the floor. This allows us to diagnose cases like the testcase. Also don't diagnose deprecated stuff in ActOnTag: not all uses of tags may be 'uses', and SemaType does this now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25move calls to DiagnoseUseOfDecl (which warns about deprecated/unavailable Chris Lattner
types) out of Sema::getTypeName into ConvertDeclSpecToType. getTypeName is sometimes used as a predicate in the parser, so it could cause redundant diags to be emitted. This is also needed by two upcoming enhancements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Remove the Skip parameter from GetTypeForDeclarator and dependents. Take the ↵Sebastian Redl
opportunity to improve an error message and fix PR4498. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25simplify Sema::getTypeName a bit: if control gets out of the switch,Chris Lattner
IIDecl cannot be null. There is no need to check for both C++ mode and presence of CXXRecordDecl. ObjC interfaces can't have ScopeSpecs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85057 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25In objc mode, every identifier in a cast expression was using doing aChris Lattner
type looking using getTypeName() and every property access was using NextToken() to do lookahead to see if the identifier is followed by a '.'. Rearrange this code to not need lookahead and only do the type lookup if we have "identifier." in the token stream. Also improve a diagnostic a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85056 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Audit the code for places where it is assumed that every base specifier ↵Sebastian Redl
refers to a RecordType. Add assertions or conditions as appropriate. This fixes another crash in the Apache stdlib vector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24Preserve type source information in TypedefDecls. Preserve it acrossJohn McCall
template instantiation. Preserve it through PCH. Show it off to the indexer. I'm healthily ignoring the vector type cases because we don't have a sensible TypeLoc implementation for them anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84994 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Remove OriginalTypeParmDecl; the original type is the one specifiedJohn McCall
in the DeclaratorInfo, if one is present. Preserve source information through template instantiation. This is made more complicated by the possibility that ParmVarDecls don't have DIs, which is possibly worth fixing in the future. Also preserve source information for function parameters in ObjC method declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Preserve source information for anonymous struct/union declarations.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Add FIXME.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84696 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Remove default argument for ImpCastExprToType. Add appropriate argument Eli Friedman
to all callers. Switch a few other users of CK_Unknown to proper cast kinds. Note that there are still some situations where we end up with CK_Unknown; they're pretty easy to find with grep. There are still a few missing conversion kinds, specifically pointer/int/float->bool and the various combinations of real/complex float/int->real/complex float/int. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18PR5218: Replace IdentifierInfo::getName with StringRef version, now that clientsDaniel Dunbar
are updated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84447 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18Move misc clients to IdentifierInfo StringRef API.Daniel Dunbar
- strcmp -> == - OS.write(II->getName() ...) -> OS << II->getNameStr() - Avoid std::string concatenation - Use getNameStr().str() when an std::string is really needed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17In some dependent contexts, incomplete array types persist into ↵Sebastian Redl
FinalizeDeclaratorGroup. Don't require them to have a complete type. This allows us to compile Hello World with the Apache stdcxx library. If you don't use endl, it even links and runs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17Simplify.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84307 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16Remove the ConstantArrayType subtypes. This information is preserved in theJohn McCall
TypeLoc records for declarations; it should not be necessary to represent it directly in the type system. Please complain if you were using these classes and feel you can't replicate previous functionality using the TypeLoc API. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84222 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13Improve diagnostics when the parser encounters a declarator with anDouglas Gregor
unknown type name, e.g., foo::bar x; when "bar" does not refer to a type in "foo". With this change, the parser now calls into the action to perform diagnostics and can try to recover by substituting in an appropriate type. For example, this allows us to easily diagnose some missing "typename" specifiers, which we now do: test/SemaCXX/unknown-type-name.cpp:29:1: error: missing 'typename' prior to dependent type name 'A<T>::type' A<T>::type A<T>::f() { return type(); } ^~~~~~~~~~ typename Fixes PR3990. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84053 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13Unify our diagnostic printing for errors of the form, "we didn't likeDouglas Gregor
what we found when we looked into <blah>", where <blah> is a DeclContext*. We can now format DeclContext*'s in nice ways, e.g., "namespace N", "the global namespace", "'class Foo'". This is part of PR3990, but we're not quite there yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84028 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13When explicitly specializing a member that is a template, mark theDouglas Gregor
template as a specialization. For example, this occurs with: template<typename T> struct X { template<typename U> struct Inner { /* ... */ }; }; template<> template<typename T> struct X<int>::Inner { T member; }; We need to treat templates that are member specializations as special in two contexts: - When looking for a definition of a member template, we look through the instantiation chain until we hit the primary template *or a member specialization*. This allows us to distinguish between the primary "Inner" definition and the X<int>::Inner definition, above. - When computing all of the levels of template arguments needed to instantiate a member template, don't add template arguments from contexts outside of the instantiation of a member specialization, since the user has already manually substituted those arguments. Fix up the existing test for p18, which was actually wrong (but we didn't diagnose it because of our poor handling of member specializations of templates), and add a new test for member specializations of templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83974 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13Improve the internal representation and semantic analysis of friendDouglas Gregor
function templates. This commit ensures that friend function templates are constructed as FunctionTemplateDecls rather than partial FunctionDecls (as they previously were). It then implements template instantiation for friend function templates, injecting the friend function template only when no previous declaration exists at the time of instantiation. Oh, and make sure that explicit specialization declarations are not friends. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83970 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-12Permit explicit specialization of member functions of class templatesDouglas Gregor
that are declarations (rather than definitions). Also, be sure to set the access specifiers properly when instantiating the declarations of member function templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83911 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-12Diagnose the declaration of explicit specializations after an implicitDouglas Gregor
instantiation has already been required. To do so, keep track of the point of instantiation for anything that can be instantiated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83890 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10Qualified lookup through using declarations. Diagnose a new type of ambiguity.John McCall
Split the various ambiguous result enumerators into their own enum. Tests for most of C++ [namespace.qual]. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83700 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Refactor the LookupResult API to simplify most common operations. Require ↵John McCall
users to pass a LookupResult reference to lookup routines. Call out uses which assume a single result. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83674 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Implement support for -Wunused-variable, from Oscar Bonilla!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83577 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add more testing for the properties of explicit specialization. Douglas Gregor
Also, eliminate a redundant diagnostic by marking a variable declared with incomplete type as an invalid declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83553 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Don't complain about out-of-line explicit specializations of memberDouglas Gregor
function and member function templates that are not definitions. Add more tests to ensure that explicit specializations of member function templates prevent instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83550 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Improve checking for specializations of member classes of classDouglas Gregor
templates, and keep track of how those member classes were instantiated or specialized. Make sure that we don't try to instantiate an explicitly-specialized member class of a class template, when that explicit specialization was a declaration rather than a definition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83547 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08For instantiations of static data members of class templates, keepDouglas Gregor
track of the kind of specialization or instantiation. Also, check the scope of the specialization and ensure that a specialization declaration without an initializer is not a definition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83533 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07Refactoring around friend class templates. Better error message for friend ↵John McCall
enums. Don't create a new declaration for friend classes if a declaration already exists. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83505 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07Type checking for specializations of member functions of classDouglas Gregor
templates. Previously, these weren't handled as specializations at all. The AST for representing these as specializations is still a work in progress. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83498 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06Refactor the code that walks a C++ inheritance hierarchy, searchingDouglas Gregor
for bases, members, overridden virtual methods, etc. The operations isDerivedFrom and lookupInBases are now provided by CXXRecordDecl, rather than by Sema, so that CodeGen and other clients can use them directly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-01When the return type of a function is dependent, don't perform anyDouglas Gregor
of the flow-control checks for falling off the end of a function, since the return type may instantiate to void. Similarly, if a return statement has an expression and the return type of the function is void, don't complain if the expression is type-dependent, since that type could instantiate to void. Fixes PR5071. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83222 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30Add an error for function parameters that have a qualified address space ↵Tanya Lattner
since this is not allowed by the embedded c extension spec. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28Provide a custom diagnostic when code tries to use an unknown builtinDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83014 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28Make sure that out-of-line function and variable definitions are notDouglas Gregor
pushed into scope. Fixes PR5056. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28Teach Sema::isDeclInScope to handle overload sets constructed fromDouglas Gregor
functions that occur in multiple declaration contexts, e.g., because some were found via using declarations. Now, isDeclInScope will build a new overload set (when needed) containing only those declarations that are actually in scope. This eliminates a problem found with libstdc++'s <iostream>, where the presence of using In the longer term, I'd like to eliminate Sema::isDeclInScope in favor of better handling of the RedeclarationOnly flag in the name-lookup routines. That way, name lookup only returns the entities that matter, rather than taking the current two-pass approach of producing too many results and then filtering our the wrong results. It's not efficient, and I'm sure that we aren't filtering everywhere we should be. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82954 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-26Rework the Parse-Sema interaction for friends to better support friendDouglas Gregor
class templates. We now treat friend class templates much more like normal class templates, except that they still get special name lookup rules. Fixes PR5057 and eliminates a bunch of spurious diagnostics in <iostream>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82848 91177308-0d34-0410-b5e6-96231b3b80d8
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