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path: root/lib/AST/ExprCXX.cpp
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2009-12-03Introduce the notion of literal types, as specified in C++0x.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90361 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-01Rework how we support C++ implicit member accesses. If we can resolve anJohn McCall
implicit member access to a specific declaration, go ahead and create it as a DeclRefExpr or a MemberExpr (with implicit CXXThisExpr base) as appropriate. Otherwise, create an UnresolvedMemberExpr or DependentScopeMemberExpr with a null base expression. By representing implicit accesses directly in the AST, we get the ability to correctly delay the decision about whether it's actually an instance member access or not until resolution is complete. This permits us to correctly avoid diagnosing the 'problem' of 'MyType::foo()' where the relationship to the type isn't really known until instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-30Eliminate the use of OverloadedFunctionDecl in member expressions.John McCall
Create a new UnresolvedMemberExpr for these lookups. Assorted hackery around qualified member expressions; this will all go away when we implement the correct (i.e. extremely delayed) implicit-member semantics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90161 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Eliminate CXXConditionDeclExpr with extreme prejudice.Douglas Gregor
All statements that involve conditions can now hold on to a separate condition declaration (a VarDecl), and will use a DeclRefExpr referring to that VarDecl for the condition expression. ForStmts now have such a VarDecl (I'd missed those in previous commits). Also, since this change reworks the Action interface for if/while/switch/for, use FullExprArg for the full expressions in those expressions, to ensure that we're emitting Note that we are (still) not generating the right cleanups for condition variables in for statements. That will be a follow-on commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Rip out TemplateIdRefExpr and make UnresolvedLookupExpr and John McCall
DependentScopeDeclRefExpr support storing templateids. Unite the common code paths between ActOnDeclarationNameExpr and ActOnTemplateIdExpr. This gets us to a point where we don't need to store function templates in the AST using TemplateNames, which is critical to ripping out OverloadedFunction. Also resolves a few FIXMEs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89785 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23Encapsulate "an array of TemplateArgumentLocs and two angle bracket ↵John McCall
locations" into a new class. Use it pervasively throughout Sema. My fingers hurt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-21"Incremental" progress on using expressions, by which I mean totally rippingJohn McCall
into pretty much everything about overload resolution in order to wean BuildDeclarationNameExpr off LookupResult::getAsSingleDecl(). Replace UnresolvedFunctionNameExpr with UnresolvedLookupExpr, which generalizes the idea of a non-member lookup that we haven't totally resolved yet, whether by overloading, argument-dependent lookup, or (eventually) the presence of a function template in the lookup results. Incidentally fixes a problem with argument-dependent lookup where we were still performing ADL even when the lookup results contained something from a block scope. Incidentally improves a diagnostic when using an ObjC ivar from a class method. This just fell out from rewriting BuildDeclarationNameExpr's interaction with lookup, and I'm too apathetic to break it out. The only remaining uses of OverloadedFunctionDecl that I know of are in TemplateName and MemberExpr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89544 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-19Draw a brighter line between "unresolved" expressions, where we have done theJohn McCall
appropriate lookup and simply can't resolve the referrent yet, and "dependent scope" expressions, where we can't do the lookup yet because the entity we need to look into is a dependent type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89402 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Improve source-location information for implicitly-generated member call ↵Douglas Gregor
expressions git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86989 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
2009-09-09Improve handling of initialization by constructor, by ensuring thatDouglas Gregor
such initializations properly convert constructor arguments and fill in default arguments where necessary. This also makes the ownership model more clear. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81394 91177308-0d34-0410-b5e6-96231b3b80d8
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
2009-09-09Initial stab at implement dependent member references to memberDouglas Gregor
templates, e.g., x.template get<T> We can now parse these, represent them within an UnresolvedMemberExpr expression, then instantiate that expression node in simple cases. This allows us to stumble through parsing LLVM's Casting.h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08Clean up the CXXConstructExpr constructor, add Arg getters.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81178 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-06Reapply 81096, now with a fix. Spot the bug:Anders Carlsson
for (unsigned i = numargs; i < NumArgs; ++i) Args[0] = 0; ;) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81123 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-06Revert "Initialize default CXXConstructExpr arguments to 0. Fixes a crash whenDaniel Dunbar
destroying the CXXConstructExpr.", this is causing test failures across the board. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81100 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-05Initialize default CXXConstructExpr arguments to 0. Fixes a crash when ↵Anders Carlsson
destroying the CXXConstructExpr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-04Implement AST, semantics, and CodeGen for C++ pseudo-destructorDouglas Gregor
expressions, e.g., p->~T() when p is a pointer to a scalar type. We don't currently diagnose errors when pseudo-destructor expressions are used in any way other than by forming a call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Implement __is_empty. Patch by Sean Hunt.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79143 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Get rid of Stmt::Clone now that we can reference count statements instead.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78452 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Separate Stmt::Destroy into the entrypoint for destroying a statementDouglas Gregor
or expression (Destroy) from the virtual function used to actually destroy a given expression (DoDestroy). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78375 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Support for use of default argument in constructors.Fariborz Jahanian
work in progress. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78132 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29Change uses of:Ted Kremenek
Type::getAsReferenceType() -> Type::getAs<ReferenceType>() Type::getAsRecordType() -> Type::getAs<RecordType>() Type::getAsPointerType() -> Type::getAs<PointerType>() Type::getAsBlockPointerType() -> Type::getAs<BlockPointerType>() Type::getAsLValueReferenceType() -> Type::getAs<LValueReferenceType>() Type::getAsRValueReferenceType() -> Type::getAs<RValueReferenceType>() Type::getAsMemberPointerType() -> Type::getAs<MemberPointerType>() Type::getAsReferenceType() -> Type::getAs<ReferenceType>() Type::getAsTagType() -> Type::getAs<TagType>() And remove Type::getAsReferenceType(), etc. This change is similar to one I made a couple weeks ago, but that was partly reverted pending some additional design discussion. With Doug's pending smart pointer changes for Types, it seemed natural to take this approach. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77510 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23This patch fixes the implementations of the __has_trivial_destructorDouglas Gregor
and __has_trivial_constructor builtin pseudo-functions and additionally implements __has_trivial_copy and __has_trivial_assign, from John McCall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76916 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17Per offline discussion with Steve Naroff, add back Type::getAsXXXType() methodsTed Kremenek
until Doug Gregor's Type smart pointer code lands (or more discussion occurs). These methods just call the new Type::getAs<XXX> methods, so we still have reduced implementation redundancy. Having explicit getAsXXXType() methods makes it easier to set breakpoints in the debugger. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17Replaced Type::getAsLValueReferenceType(), Type::getAsRValueReferenceType(), ↵Ted Kremenek
Type::getAsMemberPointerType(), Type::getAsTagType(), and Type::getAsRecordType() with their Type::getAs<XXX> equivalents. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76139 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30Preliminary parsing and ASTs for template-ids that refer to functionDouglas Gregor
templates, such as make<int&>. These template-ids are only barely functional for function calls; much more to come. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74563 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-16Handle temporaries in default arguments.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73462 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-05Improvements to CXXExprWithTemporaries in preparation for fixing a bug with ↵Anders Carlsson
default arguments that have temporaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72944 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30Clean up the newly added C++ AST nodes.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72643 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30Stop using CXXTempVarDecl and use CXXTemporary instead.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30Remove VarDecl from CXXConstructExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72633 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30Small fixes to CXXTemporary and CXXBindTemporaryExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72628 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30Add a CXXBindTemporaryExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72627 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30Add a CXXTemporary class. Not used yet.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Representation of and template instantiation for memberDouglas Gregor
expressions. This change introduces another AST node, CXXUnresolvedMemberExpr, that captures member references (x->m, x.m) when the base of the expression (the "x") is type-dependent, and we therefore cannot resolve the member reference yet. Note that our parsing of member references for C++ is still quite poor, e.g., we don't handle x->Base::m or x->operator int. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-20Template instantiation for the various kinds of AST nodes that occurDouglas Gregor
due to C++ type construction of the form T(a1, a2, ..., aN). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72183 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-20Introduce a new expression type, CXXUnresolvedConstructExpr, toDouglas Gregor
describe the construction of a value of a given type using function syntax, e.g., T(a1, a2, ..., aN) when the type or any of its arguments are type-dependent. In this case, we don't know what kind of type-construction this will be: it might construct a temporary of type 'T' (which might be a class or non-class type) or might perform a conversion to type 'T'. Also, implement printing of and template instantiation for this new expression type. Due to the change in Sema::ActOnCXXTypeConstructExpr, our existing tests cover template instantiation of this new expression node. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-19Template instantiation for call expressions.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72081 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Implement instantiation of a few boring, simple expressions. I don't think ↵Sebastian Redl
these are testable yet, though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-10Implement C++0x nullptr.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Get rid of CXXDestroyExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70586 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Rename CXXExprWithCleanup to CXXExprWithTemporaries.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Silence gcc warnings.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Add CXXExprWithCleanupAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70000 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Make CXXTemporaryObjectExpr inherit from CXXConstructExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69981 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Add an ASTContext parameter to CXXTemporaryObjectExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69959 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Add a VarDecl parameter to the CXXTemporaryObjectExpr constructor. It's ↵Anders Carlsson
unused for now, so no functionality change yet. Also, create CXXTempVarDecls to pass to the CXXTemporaryObjectExpr ctor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Make the CXXConstructExpr public and add a StmtClass to it. No functionality ↵Anders Carlsson
change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69954 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Add a CXXConstructExpr that represents an implicit call to a C++ ↵Anders Carlsson
constructor. I think CXXTemporaryObjectExpr is going to become a subclass of CXXConstructExpr, since CXXTemporaryObjectExpr represents a syntactic temporary, for example T() git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69854 91177308-0d34-0410-b5e6-96231b3b80d8
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