[cfe-commits] r102215 - in /cfe/trunk: include/clang/AST/DeclBase.h lib/Frontend/PCHReaderDecl.cpp lib/Sema/Lookup.h lib/Sema/SemaDecl.cpp lib/Sema/SemaLookup.cpp lib/Sema/SemaTemplateInstantiateDecl.cpp
John McCall
rjmccall at apple.com
Fri Apr 23 14:37:18 PDT 2010
Author: rjmccall
Date: Fri Apr 23 16:37:18 2010
New Revision: 102215
URL: http://llvm.org/viewvc/llvm-project?rev=102215&view=rev
Log:
Transition the last acceptable-result filter kind in LookupResult over to use
a simple IDNS mask by introducing a namespace for non-member operators.
Modified:
cfe/trunk/include/clang/AST/DeclBase.h
cfe/trunk/lib/Frontend/PCHReaderDecl.cpp
cfe/trunk/lib/Sema/Lookup.h
cfe/trunk/lib/Sema/SemaDecl.cpp
cfe/trunk/lib/Sema/SemaLookup.cpp
cfe/trunk/lib/Sema/SemaTemplateInstantiateDecl.cpp
Modified: cfe/trunk/include/clang/AST/DeclBase.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/DeclBase.h?rev=102215&r1=102214&r2=102215&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/DeclBase.h (original)
+++ cfe/trunk/include/clang/AST/DeclBase.h Fri Apr 23 16:37:18 2010
@@ -132,7 +132,12 @@
/// *introduces* a number of other declarations into the current
/// scope, and those declarations use the IDNS of their targets,
/// but the actual using declarations go in this namespace.
- IDNS_Using = 0x0200
+ IDNS_Using = 0x0200,
+
+ /// This declaration is a C++ operator declared in a non-class
+ /// context. All such operators are also in IDNS_Ordinary.
+ /// C++ lexical operator lookup looks for these.
+ IDNS_NonMemberOperator = 0x0400
};
/// ObjCDeclQualifier - Qualifier used on types in method declarations
@@ -533,6 +538,14 @@
FOK_Declared : FOK_Undeclared);
}
+ /// Specifies that this declaration is a C++ overloaded non-member.
+ void setNonMemberOperator() {
+ assert(getKind() == Function || getKind() == FunctionTemplate);
+ assert((IdentifierNamespace & IDNS_Ordinary) &&
+ "visible non-member operators should be in ordinary namespace");
+ IdentifierNamespace |= IDNS_NonMemberOperator;
+ }
+
// Implement isa/cast/dyncast/etc.
static bool classof(const Decl *) { return true; }
static bool classofKind(Kind K) { return true; }
Modified: cfe/trunk/lib/Frontend/PCHReaderDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/PCHReaderDecl.cpp?rev=102215&r1=102214&r2=102215&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/PCHReaderDecl.cpp (original)
+++ cfe/trunk/lib/Frontend/PCHReaderDecl.cpp Fri Apr 23 16:37:18 2010
@@ -197,6 +197,11 @@
for (unsigned I = 0; I != NumParams; ++I)
Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
FD->setParams(Params.data(), NumParams);
+
+ // FIXME: order this properly w.r.t. friendness
+ // FIXME: this same thing needs to happen for function templates
+ if (FD->isOverloadedOperator() && !FD->getDeclContext()->isRecord())
+ FD->setNonMemberOperator();
}
void PCHDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
Modified: cfe/trunk/lib/Sema/Lookup.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/Lookup.h?rev=102215&r1=102214&r2=102215&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/Lookup.h (original)
+++ cfe/trunk/lib/Sema/Lookup.h Fri Apr 23 16:37:18 2010
@@ -124,7 +124,6 @@
};
typedef UnresolvedSetImpl::iterator iterator;
- typedef bool (*ResultFilter)(NamedDecl*, unsigned IDNS);
LookupResult(Sema &SemaRef, DeclarationName Name, SourceLocation NameLoc,
Sema::LookupNameKind LookupKind,
@@ -136,7 +135,6 @@
Name(Name),
NameLoc(NameLoc),
LookupKind(LookupKind),
- IsAcceptableFn(0),
IDNS(0),
Redecl(Redecl != Sema::NotForRedeclaration),
HideTags(true),
@@ -156,7 +154,6 @@
Name(Other.Name),
NameLoc(Other.NameLoc),
LookupKind(Other.LookupKind),
- IsAcceptableFn(Other.IsAcceptableFn),
IDNS(Other.IDNS),
Redecl(Other.Redecl),
HideTags(Other.HideTags),
@@ -242,8 +239,7 @@
/// \brief Tests whether the given declaration is acceptable.
bool isAcceptableDecl(NamedDecl *D) const {
- assert(IsAcceptableFn);
- return IsAcceptableFn(D, IDNS);
+ return D->isInIdentifierNamespace(IDNS);
}
/// \brief Returns the identifier namespace mask for this lookup.
@@ -575,7 +571,6 @@
SourceLocation NameLoc;
SourceRange NameContextRange;
Sema::LookupNameKind LookupKind;
- ResultFilter IsAcceptableFn; // set by configure()
unsigned IDNS; // set by configure()
bool Redecl;
Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=102215&r1=102214&r2=102215&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Fri Apr 23 16:37:18 2010
@@ -3269,6 +3269,12 @@
NewFD->setAccess(Access);
}
+ if (NewFD->isOverloadedOperator() && !DC->isRecord() &&
+ NewFD->isInIdentifierNamespace(Decl::IDNS_Ordinary)) {
+ NewFD->setNonMemberOperator();
+ if (FunctionTemplate) FunctionTemplate->setNonMemberOperator();
+ }
+
// If we have a function template, check the template parameter
// list. This will check and merge default template arguments.
if (FunctionTemplate) {
Modified: cfe/trunk/lib/Sema/SemaLookup.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaLookup.cpp?rev=102215&r1=102214&r2=102215&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaLookup.cpp (original)
+++ cfe/trunk/lib/Sema/SemaLookup.cpp Fri Apr 23 16:37:18 2010
@@ -193,37 +193,6 @@
};
}
-static bool IsAcceptableIDNS(NamedDecl *D, unsigned IDNS) {
- return D->isInIdentifierNamespace(IDNS);
-}
-
-static bool IsAcceptableOperatorName(NamedDecl *D, unsigned IDNS) {
- return D->isInIdentifierNamespace(IDNS) &&
- !D->getDeclContext()->isRecord();
-}
-
-/// Gets the default result filter for the given lookup.
-static inline
-LookupResult::ResultFilter getResultFilter(Sema::LookupNameKind NameKind) {
- switch (NameKind) {
- case Sema::LookupOrdinaryName:
- case Sema::LookupTagName:
- case Sema::LookupMemberName:
- case Sema::LookupRedeclarationWithLinkage: // FIXME: check linkage, scoping
- case Sema::LookupUsingDeclName:
- case Sema::LookupObjCProtocolName:
- case Sema::LookupNestedNameSpecifierName:
- case Sema::LookupNamespaceName:
- return &IsAcceptableIDNS;
-
- case Sema::LookupOperatorName:
- return &IsAcceptableOperatorName;
- }
-
- llvm_unreachable("unkknown lookup kind");
- return 0;
-}
-
// Retrieve the set of identifier namespaces that correspond to a
// specific kind of name lookup.
static inline unsigned getIDNS(Sema::LookupNameKind NameKind,
@@ -232,7 +201,6 @@
unsigned IDNS = 0;
switch (NameKind) {
case Sema::LookupOrdinaryName:
- case Sema::LookupOperatorName:
case Sema::LookupRedeclarationWithLinkage:
IDNS = Decl::IDNS_Ordinary;
if (CPlusPlus) {
@@ -241,6 +209,13 @@
}
break;
+ case Sema::LookupOperatorName:
+ // Operator lookup is its own crazy thing; it is not the same
+ // as (e.g.) looking up an operator name for redeclaration.
+ assert(!Redeclaration && "cannot do redeclaration operator lookup");
+ IDNS = Decl::IDNS_NonMemberOperator;
+ break;
+
case Sema::LookupTagName:
if (CPlusPlus) {
IDNS = Decl::IDNS_Type;
@@ -287,7 +262,6 @@
IDNS = getIDNS(LookupKind,
SemaRef.getLangOptions().CPlusPlus,
isForRedeclaration());
- IsAcceptableFn = getResultFilter(LookupKind);
// If we're looking for one of the allocation or deallocation
// operators, make sure that the implicitly-declared new and delete
Modified: cfe/trunk/lib/Sema/SemaTemplateInstantiateDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaTemplateInstantiateDecl.cpp?rev=102215&r1=102214&r2=102215&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaTemplateInstantiateDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaTemplateInstantiateDecl.cpp Fri Apr 23 16:37:18 2010
@@ -1140,6 +1140,12 @@
DC->makeDeclVisibleInContext(ToFriendD, /*Recoverable=*/ false);
}
+ if (Function->isOverloadedOperator() && !DC->isRecord() &&
+ Function->isInIdentifierNamespace(Decl::IDNS_Ordinary)) {
+ Function->setNonMemberOperator();
+ if (FunctionTemplate) FunctionTemplate->setNonMemberOperator();
+ }
+
return Function;
}
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