[cfe-commits] r93959 - in /cfe/trunk: include/clang/AST/ASTContext.h include/clang/AST/Decl.h include/clang/AST/DeclCXX.h include/clang/AST/ExprCXX.h include/clang/AST/UnresolvedSet.h lib/AST/ASTContext.cpp lib/AST/DeclCXX.cpp lib/AST/ExprCXX.cpp lib/Sema/Lookup.h lib/Sema/SemaDeclCXX.cpp lib/Sema/SemaExprCXX.cpp lib/Sema/SemaInit.cpp lib/Sema/SemaLookup.cpp lib/Sema/SemaOverload.cpp lib/Sema/SemaStmt.cpp

John McCall rjmccall at apple.com
Tue Jan 19 16:46:11 PST 2010


Author: rjmccall
Date: Tue Jan 19 18:46:10 2010
New Revision: 93959

URL: http://llvm.org/viewvc/llvm-project?rev=93959&view=rev
Log:
Give UnresolvedSet the ability to store access specifiers for each declaration.
Change LookupResult to use UnresolvedSet.  Also extract UnresolvedSet into its
own header and make it templated over an inline capacity.


Added:
    cfe/trunk/include/clang/AST/UnresolvedSet.h
Modified:
    cfe/trunk/include/clang/AST/ASTContext.h
    cfe/trunk/include/clang/AST/Decl.h
    cfe/trunk/include/clang/AST/DeclCXX.h
    cfe/trunk/include/clang/AST/ExprCXX.h
    cfe/trunk/lib/AST/ASTContext.cpp
    cfe/trunk/lib/AST/DeclCXX.cpp
    cfe/trunk/lib/AST/ExprCXX.cpp
    cfe/trunk/lib/Sema/Lookup.h
    cfe/trunk/lib/Sema/SemaDeclCXX.cpp
    cfe/trunk/lib/Sema/SemaExprCXX.cpp
    cfe/trunk/lib/Sema/SemaInit.cpp
    cfe/trunk/lib/Sema/SemaLookup.cpp
    cfe/trunk/lib/Sema/SemaOverload.cpp
    cfe/trunk/lib/Sema/SemaStmt.cpp

Modified: cfe/trunk/include/clang/AST/ASTContext.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/ASTContext.h?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/include/clang/AST/ASTContext.h (original)
+++ cfe/trunk/include/clang/AST/ASTContext.h Tue Jan 19 18:46:10 2010
@@ -61,6 +61,7 @@
   class TypedefDecl;
   class UsingDecl;
   class UsingShadowDecl;
+  class UnresolvedSetIterator;
 
   namespace Builtin { class Context; }
 
@@ -753,8 +754,8 @@
 
   DeclarationName getNameForTemplate(TemplateName Name);
 
-  TemplateName getOverloadedTemplateName(NamedDecl * const *Begin,
-                                         NamedDecl * const *End);
+  TemplateName getOverloadedTemplateName(UnresolvedSetIterator Begin,
+                                         UnresolvedSetIterator End);
 
   TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS,
                                         bool TemplateKeyword,

Modified: cfe/trunk/include/clang/AST/Decl.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Decl.h?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/include/clang/AST/Decl.h (original)
+++ cfe/trunk/include/clang/AST/Decl.h Tue Jan 19 18:46:10 2010
@@ -55,32 +55,6 @@
   TypeLoc getTypeLoc() const;
 };
 
-/// UnresolvedSet - A set of unresolved declarations.  This is needed
-/// in a lot of places, but isn't really worth breaking into its own
-/// header right now.
-class UnresolvedSet {
-  typedef llvm::SmallVector<NamedDecl*, 4> DeclsTy;
-  DeclsTy Decls;
-
-public:
-  void addDecl(NamedDecl *D) {
-    Decls.push_back(D);
-  }
-
-  bool replace(const NamedDecl* Old, NamedDecl *New) {
-    for (DeclsTy::iterator I = Decls.begin(), E = Decls.end(); I != E; ++I)
-      if (*I == Old)
-        return (*I = New, true);
-    return false;
-  }
-
-  unsigned size() const { return Decls.size(); }
-
-  typedef DeclsTy::const_iterator iterator;
-  iterator begin() const { return Decls.begin(); }
-  iterator end() const { return Decls.end(); }
-};
-
 /// TranslationUnitDecl - The top declaration context.
 class TranslationUnitDecl : public Decl, public DeclContext {
   ASTContext &Ctx;

Modified: cfe/trunk/include/clang/AST/DeclCXX.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/DeclCXX.h?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/include/clang/AST/DeclCXX.h (original)
+++ cfe/trunk/include/clang/AST/DeclCXX.h Tue Jan 19 18:46:10 2010
@@ -16,6 +16,7 @@
 
 #include "clang/AST/Expr.h"
 #include "clang/AST/Decl.h"
+#include "clang/AST/UnresolvedSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 
@@ -275,13 +276,13 @@
   /// of this C++ class (but not its inherited conversion
   /// functions). Each of the entries in this overload set is a
   /// CXXConversionDecl. 
-  UnresolvedSet Conversions;
+  UnresolvedSet<4> Conversions;
 
   /// VisibleConversions - Overload set containing the conversion functions
   /// of this C++ class and all those inherited conversion functions that
   /// are visible in this class. Each of the entries in this overload set is
   /// a CXXConversionDecl or a FunctionTemplateDecl.
-  UnresolvedSet VisibleConversions;
+  UnresolvedSet<4> VisibleConversions;
   
   /// \brief The template or declaration that this declaration
   /// describes or was instantiated from, respectively.
@@ -483,20 +484,20 @@
 
   /// getConversions - Retrieve the overload set containing all of the
   /// conversion functions in this class.
-  UnresolvedSet *getConversionFunctions() {
+  UnresolvedSetImpl *getConversionFunctions() {
     assert((this->isDefinition() ||
             cast<RecordType>(getTypeForDecl())->isBeingDefined()) &&
            "getConversionFunctions() called on incomplete type");
     return &Conversions;
   }
-  const UnresolvedSet *getConversionFunctions() const {
+  const UnresolvedSetImpl *getConversionFunctions() const {
     assert((this->isDefinition() ||
             cast<RecordType>(getTypeForDecl())->isBeingDefined()) &&
            "getConversionFunctions() called on incomplete type");
     return &Conversions;
   }
 
-  typedef UnresolvedSet::iterator conversion_iterator;
+  typedef UnresolvedSetImpl::iterator conversion_iterator;
   conversion_iterator conversion_begin() const { return Conversions.begin(); }
   conversion_iterator conversion_end() const { return Conversions.end(); }
 
@@ -509,7 +510,7 @@
 
   /// getVisibleConversionFunctions - get all conversion functions visible
   /// in current class; including conversion function templates.
-  const UnresolvedSet *getVisibleConversionFunctions();
+  const UnresolvedSetImpl *getVisibleConversionFunctions();
 
   /// addVisibleConversionFunction - Add a new conversion function to the
   /// list of visible conversion functions.

Modified: cfe/trunk/include/clang/AST/ExprCXX.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/ExprCXX.h?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/include/clang/AST/ExprCXX.h (original)
+++ cfe/trunk/include/clang/AST/ExprCXX.h Tue Jan 19 18:46:10 2010
@@ -16,7 +16,7 @@
 
 #include "clang/Basic/TypeTraits.h"
 #include "clang/AST/Expr.h"
-#include "clang/AST/Decl.h"
+#include "clang/AST/UnresolvedSet.h"
 #include "clang/AST/TemplateBase.h"
 
 namespace clang {
@@ -1072,7 +1072,7 @@
 class UnresolvedLookupExpr : public Expr {
   /// The results.  These are undesugared, which is to say, they may
   /// include UsingShadowDecls.
-  UnresolvedSet Results;
+  UnresolvedSet<4> Results;
 
   /// The name declared.
   DeclarationName Name;
@@ -1133,15 +1133,15 @@
 
   /// Computes whether an unresolved lookup on the given declarations
   /// and optional template arguments is type- and value-dependent.
-  static bool ComputeDependence(NamedDecl * const *Begin,
-                                NamedDecl * const *End,
+  static bool ComputeDependence(UnresolvedSetImpl::const_iterator Begin,
+                                UnresolvedSetImpl::const_iterator End,
                                 const TemplateArgumentListInfo *Args);
 
   void addDecl(NamedDecl *Decl) {
     Results.addDecl(Decl);
   }
 
-  typedef UnresolvedSet::iterator decls_iterator;
+  typedef UnresolvedSetImpl::iterator decls_iterator;
   decls_iterator decls_begin() const { return Results.begin(); }
   decls_iterator decls_end() const { return Results.end(); }
 
@@ -1716,7 +1716,7 @@
 class UnresolvedMemberExpr : public Expr {
   /// The results.  These are undesugared, which is to say, they may
   /// include UsingShadowDecls.
-  UnresolvedSet Results;
+  UnresolvedSet<4> Results;
 
   /// \brief The expression for the base pointer or class reference,
   /// e.g., the \c x in x.f.  This can be null if this is an 'unbased'
@@ -1795,7 +1795,7 @@
     Results.addDecl(Decl);
   }
 
-  typedef UnresolvedSet::iterator decls_iterator;
+  typedef UnresolvedSetImpl::iterator decls_iterator;
   decls_iterator decls_begin() const { return Results.begin(); }
   decls_iterator decls_end() const { return Results.end(); }
 

Added: cfe/trunk/include/clang/AST/UnresolvedSet.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/UnresolvedSet.h?rev=93959&view=auto

==============================================================================
--- cfe/trunk/include/clang/AST/UnresolvedSet.h (added)
+++ cfe/trunk/include/clang/AST/UnresolvedSet.h Tue Jan 19 18:46:10 2010
@@ -0,0 +1,360 @@
+//===-- UnresolvedSet.h - Unresolved sets of declarations  ------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the UnresolvedSet class, which is used to store
+//  collections of declarations in the AST.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_UNRESOLVEDSET_H
+#define LLVM_CLANG_AST_UNRESOLVEDSET_H
+
+#include <iterator>
+#include <llvm/ADT/PointerIntPair.h>
+
+namespace clang {
+
+class NamedDecl;
+
+/// The iterator over UnresolvedSets.  Serves as both the const and
+/// non-const iterator.
+class UnresolvedSetIterator {
+
+  typedef llvm::PointerIntPair<NamedDecl*, 2> DeclEntry;
+  typedef llvm::SmallVectorImpl<DeclEntry> DeclsTy;
+  typedef DeclsTy::iterator IteratorTy;
+
+  IteratorTy ir;
+
+  friend class UnresolvedSetImpl;
+  explicit UnresolvedSetIterator(DeclsTy::iterator ir) : ir(ir) {}
+  explicit UnresolvedSetIterator(DeclsTy::const_iterator ir) :
+    ir(const_cast<DeclsTy::iterator>(ir)) {}
+public:
+  UnresolvedSetIterator() {}
+
+  typedef std::iterator_traits<IteratorTy>::difference_type difference_type;
+  typedef NamedDecl *value_type;
+  typedef NamedDecl **pointer;
+  typedef NamedDecl *reference;
+  typedef std::iterator_traits<IteratorTy>::iterator_category iterator_category;
+
+  NamedDecl *getDecl() const { return ir->getPointer(); }
+  AccessSpecifier getAccess() const { return AccessSpecifier(ir->getInt()); }
+
+  NamedDecl *operator*() const { return getDecl(); }
+  
+  UnresolvedSetIterator &operator++() { ++ir; return *this; }
+  UnresolvedSetIterator operator++(int) { return UnresolvedSetIterator(ir++); }
+  UnresolvedSetIterator &operator--() { --ir; return *this; }
+  UnresolvedSetIterator operator--(int) { return UnresolvedSetIterator(ir--); }
+
+  UnresolvedSetIterator &operator+=(difference_type d) {
+    ir += d; return *this;
+  }
+  UnresolvedSetIterator operator+(difference_type d) const {
+    return UnresolvedSetIterator(ir + d);
+  }
+  UnresolvedSetIterator &operator-=(difference_type d) {
+    ir -= d; return *this;
+  }
+  UnresolvedSetIterator operator-(difference_type d) const {
+    return UnresolvedSetIterator(ir - d);
+  }
+  value_type operator[](difference_type d) const { return *(*this + d); }
+
+  difference_type operator-(const UnresolvedSetIterator &o) const {
+    return ir - o.ir;
+  }
+
+  bool operator==(const UnresolvedSetIterator &o) const { return ir == o.ir; }
+  bool operator!=(const UnresolvedSetIterator &o) const { return ir != o.ir; }
+  bool operator<(const UnresolvedSetIterator &o) const { return ir < o.ir; }
+  bool operator<=(const UnresolvedSetIterator &o) const { return ir <= o.ir; }
+  bool operator>=(const UnresolvedSetIterator &o) const { return ir >= o.ir; }
+  bool operator>(const UnresolvedSetIterator &o) const { return ir > o.ir; }
+};
+
+/// UnresolvedSet - A set of unresolved declarations.  This is needed
+/// in a lot of places, but isn't really worth breaking into its own
+/// header right now.
+class UnresolvedSetImpl {
+  typedef UnresolvedSetIterator::DeclEntry DeclEntry;
+  typedef UnresolvedSetIterator::DeclsTy DeclsTy;
+
+  // Don't allow direct construction, and only permit subclassing by
+  // UnresolvedSet.
+private:
+  template <unsigned N> friend class UnresolvedSet;
+  UnresolvedSetImpl() {}
+  UnresolvedSetImpl(const UnresolvedSetImpl &) {}
+
+public:
+  // We don't currently support assignment through this iterator, so we might
+  // as well use the same implementation twice.
+  typedef UnresolvedSetIterator iterator;
+  typedef UnresolvedSetIterator const_iterator;
+
+  iterator begin() { return iterator(decls().begin()); }
+  iterator end() { return iterator(decls().end()); }
+
+  const_iterator begin() const { return const_iterator(decls().begin()); }
+  const_iterator end() const { return const_iterator(decls().end()); }
+
+  void addDecl(NamedDecl *D) {
+    addDecl(D, AS_none);
+  }
+
+  void addDecl(NamedDecl *D, AccessSpecifier AS) {
+    decls().push_back(DeclEntry(D, AS));
+  }
+
+  /// Replaces the given declaration with the new one, once.
+  ///
+  /// \return true if the set changed
+  bool replace(const NamedDecl* Old, NamedDecl *New) {
+    for (DeclsTy::iterator I = decls().begin(), E = decls().end(); I != E; ++I)
+      if (I->getPointer() == Old)
+        return (I->setPointer(New), true);
+    return false;
+  }
+
+  /// Replaces the declaration at the given iterator with the new one,
+  /// preserving the original access bits.
+  void replace(iterator I, NamedDecl *New) {
+    I.ir->setPointer(New);
+  }
+
+  void replace(iterator I, NamedDecl *New, AccessSpecifier AS) {
+    *I.ir = DeclEntry(New, AS);
+  }
+
+  void erase(iterator I) {
+    *I.ir = decls().back();
+    decls().pop_back();
+  }
+
+  void clear() { decls().clear(); }
+  void set_size(unsigned N) { decls().set_size(N); }
+
+  bool empty() const { return decls().empty(); }
+  unsigned size() const { return decls().size(); }
+
+  void append(iterator I, iterator E) {
+    decls().append(I.ir, E.ir);
+  }
+
+  /// A proxy reference for implementing operator[].
+  class Proxy {
+    DeclEntry &Ref;
+
+    friend class UnresolvedSetImpl;
+    Proxy(DeclEntry &Ref) : Ref(Ref) {}
+
+  public:
+    NamedDecl *getDecl() const { return Ref.getPointer(); }
+    void setDecl(NamedDecl *D) { Ref.setPointer(D); }
+
+    AccessSpecifier getAccess() const { return AccessSpecifier(Ref.getInt()); }
+    void setAccess(AccessSpecifier AS) const { Ref.setInt(AS); }
+
+    NamedDecl* operator->() const { return getDecl(); }
+    operator NamedDecl*() const { return getDecl(); }
+    Proxy &operator=(const Proxy &D) { Ref = D.Ref; return *this; }
+  };
+  Proxy operator[](unsigned I) { return Proxy(decls()[I]); }
+
+  /// A proxy reference for implementing operator[] const.
+  class ConstProxy {
+    const DeclEntry &Ref;
+
+    friend class UnresolvedSetImpl;
+    ConstProxy(const DeclEntry &Ref) : Ref(Ref) {}
+
+  public:
+    NamedDecl *getDecl() const { return Ref.getPointer(); }
+    AccessSpecifier getAccess() const { return AccessSpecifier(Ref.getInt()); }
+
+    NamedDecl *operator->() const { return getDecl(); }
+    operator NamedDecl*() const { return getDecl(); }
+  };
+  ConstProxy operator[](unsigned I) const { return ConstProxy(decls()[I]); }
+
+private:
+  // These work because the only permitted subclass is UnresolvedSetImpl
+
+  DeclsTy &decls() {
+    return *reinterpret_cast<DeclsTy*>(this);
+  }
+  const DeclsTy &decls() const {
+    return *reinterpret_cast<const DeclsTy*>(this);
+  }
+};
+
+/// A set of unresolved declarations 
+template <unsigned InlineCapacity> class UnresolvedSet :
+    public UnresolvedSetImpl {
+  llvm::SmallVector<UnresolvedSetImpl::DeclEntry, InlineCapacity> Decls;
+};
+
+  
+} // namespace clang
+
+#endif
+//===-- UnresolvedSet.h - Unresolved sets of declarations  ------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the UnresolvedSet class, which is used to store
+//  collections of declarations in the AST.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_UNRESOLVEDSET_H
+#define LLVM_CLANG_AST_UNRESOLVEDSET_H
+
+#include <iterator>
+#include <llvm/ADT/PointerIntPair.h>
+
+namespace clang {
+
+class NamedDecl;
+
+/// The iterator over UnresolvedSets.  Serves as both the const and
+/// non-const iterator.
+class UnresolvedSetIterator {
+
+  typedef llvm::PointerIntPair<NamedDecl*, 2> DeclEntry;
+  typedef llvm::SmallVectorImpl<DeclEntry> DeclsTy;
+  typedef DeclsTy::const_iterator IteratorTy;
+
+  IteratorTy ir;
+
+  friend class UnresolvedSetImpl;
+  explicit UnresolvedSetIterator(DeclsTy::iterator ir) : ir(ir) {}
+  explicit UnresolvedSetIterator(DeclsTy::const_iterator ir) : ir(ir) {}
+public:
+  UnresolvedSetIterator() {}
+
+  typedef std::iterator_traits<IteratorTy>::difference_type difference_type;
+  typedef NamedDecl *value_type;
+  typedef NamedDecl **pointer;
+  typedef NamedDecl *reference;
+  typedef std::iterator_traits<IteratorTy>::iterator_category iterator_category;
+
+  NamedDecl *getDecl() const { return ir->getPointer(); }
+  AccessSpecifier getAccess() const { return AccessSpecifier(ir->getInt()); }
+
+  NamedDecl *operator*() const { return getDecl(); }
+  
+  UnresolvedSetIterator &operator++() { ++ir; return *this; }
+  UnresolvedSetIterator operator++(int) { return UnresolvedSetIterator(ir++); }
+  UnresolvedSetIterator &operator--() { --ir; return *this; }
+  UnresolvedSetIterator operator--(int) { return UnresolvedSetIterator(ir--); }
+
+  UnresolvedSetIterator &operator+=(difference_type d) {
+    ir += d; return *this;
+  }
+  UnresolvedSetIterator operator+(difference_type d) const {
+    return UnresolvedSetIterator(ir + d);
+  }
+  UnresolvedSetIterator &operator-=(difference_type d) {
+    ir -= d; return *this;
+  }
+  UnresolvedSetIterator operator-(difference_type d) const {
+    return UnresolvedSetIterator(ir - d);
+  }
+  value_type operator[](difference_type d) const { return *(*this + d); }
+
+  difference_type operator-(const UnresolvedSetIterator &o) const {
+    return ir - o.ir;
+  }
+
+  bool operator==(const UnresolvedSetIterator &o) const { return ir == o.ir; }
+  bool operator!=(const UnresolvedSetIterator &o) const { return ir != o.ir; }
+  bool operator<(const UnresolvedSetIterator &o) const { return ir < o.ir; }
+  bool operator<=(const UnresolvedSetIterator &o) const { return ir <= o.ir; }
+  bool operator>=(const UnresolvedSetIterator &o) const { return ir >= o.ir; }
+  bool operator>(const UnresolvedSetIterator &o) const { return ir > o.ir; }
+};
+
+/// UnresolvedSet - A set of unresolved declarations.  This is needed
+/// in a lot of places, but isn't really worth breaking into its own
+/// header right now.
+class UnresolvedSetImpl {
+  typedef UnresolvedSetIterator::DeclEntry DeclEntry;
+  typedef UnresolvedSetIterator::DeclsTy DeclsTy;
+
+  // Don't allow direct construction, and only permit subclassing by
+  // UnresolvedSet.
+private:
+  template <unsigned N> friend class UnresolvedSet;
+  UnresolvedSetImpl() {}
+  UnresolvedSetImpl(const UnresolvedSetImpl &) {}
+
+public:
+  // We don't currently support assignment through this iterator, so we might
+  // as well use the same implementation twice.
+  typedef UnresolvedSetIterator iterator;
+  typedef UnresolvedSetIterator const_iterator;
+
+  iterator begin() { return iterator(decls().begin()); }
+  iterator end() { return iterator(decls().end()); }
+
+  const_iterator begin() const { return const_iterator(decls().begin()); }
+  const_iterator end() const { return const_iterator(decls().end()); }
+
+  void addDecl(NamedDecl *D) {
+    addDecl(D, AS_none);
+  }
+
+  void addDecl(NamedDecl *D, AccessSpecifier AS) {
+    decls().push_back(DeclEntry(D, AS));
+  }
+
+  bool replace(const NamedDecl* Old, NamedDecl *New) {
+    for (DeclsTy::iterator I = decls().begin(), E = decls().end(); I != E; ++I)
+      if (I->getPointer() == Old)
+        return (I->setPointer(New), true);
+    return false;
+  }
+
+  bool empty() const { return decls().empty(); }
+  unsigned size() const { return decls().size(); }
+
+  void append(iterator I, iterator E) {
+    decls().append(I.ir, E.ir);
+  }
+
+private:
+  // These work because the only permitted subclass is UnresolvedSetImpl
+
+  DeclsTy &decls() {
+    return *reinterpret_cast<DeclsTy*>(this);
+  }
+  const DeclsTy &decls() const {
+    return *reinterpret_cast<const DeclsTy*>(this);
+  }
+};
+
+/// A set of unresolved declarations 
+template <unsigned InlineCapacity> class UnresolvedSet :
+    public UnresolvedSetImpl {
+  llvm::SmallVector<UnresolvedSetImpl::DeclEntry, InlineCapacity> Decls;
+};
+
+  
+} // namespace clang
+
+#endif

Modified: cfe/trunk/lib/AST/ASTContext.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ASTContext.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/AST/ASTContext.cpp (original)
+++ cfe/trunk/lib/AST/ASTContext.cpp Tue Jan 19 18:46:10 2010
@@ -3759,8 +3759,8 @@
 
 /// \brief Retrieve the template name that corresponds to a non-empty
 /// lookup.
-TemplateName ASTContext::getOverloadedTemplateName(NamedDecl * const *Begin,
-                                                   NamedDecl * const *End) {
+TemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin,
+                                                   UnresolvedSetIterator End) {
   unsigned size = End - Begin;
   assert(size > 1 && "set is not overloaded!");
 
@@ -3769,7 +3769,7 @@
   OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size);
 
   NamedDecl **Storage = OT->getStorage();
-  for (NamedDecl * const *I = Begin; I != End; ++I) {
+  for (UnresolvedSetIterator I = Begin; I != End; ++I) {
     NamedDecl *D = *I;
     assert(isa<FunctionTemplateDecl>(D) ||
            (isa<UsingShadowDecl>(D) &&

Modified: cfe/trunk/lib/AST/DeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/DeclCXX.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/AST/DeclCXX.cpp (original)
+++ cfe/trunk/lib/AST/DeclCXX.cpp Tue Jan 19 18:46:10 2010
@@ -312,8 +312,9 @@
 CXXRecordDecl::collectConversionFunctions(
                  llvm::SmallPtrSet<CanQualType, 8>& ConversionsTypeSet) const
 {
-  const UnresolvedSet *Cs = getConversionFunctions();
-  for (UnresolvedSet::iterator I = Cs->begin(), E = Cs->end(); I != E; ++I) {
+  const UnresolvedSetImpl *Cs = getConversionFunctions();
+  for (UnresolvedSetImpl::iterator I = Cs->begin(), E = Cs->end();
+         I != E; ++I) {
     NamedDecl *TopConv = *I;
     CanQualType TConvType;
     if (FunctionTemplateDecl *TConversionTemplate =
@@ -344,10 +345,11 @@
   bool inTopClass = (RD == this);
   QualType ClassType = getASTContext().getTypeDeclType(this);
   if (const RecordType *Record = ClassType->getAs<RecordType>()) {
-    const UnresolvedSet *Cs
+    const UnresolvedSetImpl *Cs
       = cast<CXXRecordDecl>(Record->getDecl())->getConversionFunctions();
     
-    for (UnresolvedSet::iterator I = Cs->begin(), E = Cs->end(); I != E; ++I) {
+    for (UnresolvedSetImpl::iterator I = Cs->begin(), E = Cs->end();
+           I != E; ++I) {
       NamedDecl *Conv = *I;
       // Only those conversions not exact match of conversions in current
       // class are candidateconversion routines.
@@ -410,7 +412,7 @@
 
 /// getVisibleConversionFunctions - get all conversion functions visible
 /// in current class; including conversion function templates.
-const UnresolvedSet *CXXRecordDecl::getVisibleConversionFunctions() {
+const UnresolvedSetImpl *CXXRecordDecl::getVisibleConversionFunctions() {
   // If root class, all conversions are visible.
   if (bases_begin() == bases_end())
     return &Conversions;

Modified: cfe/trunk/lib/AST/ExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ExprCXX.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/AST/ExprCXX.cpp (original)
+++ cfe/trunk/lib/AST/ExprCXX.cpp Tue Jan 19 18:46:10 2010
@@ -135,10 +135,11 @@
   return ULE;
 }
 
-bool UnresolvedLookupExpr::ComputeDependence(NamedDecl * const *Begin,
-                                             NamedDecl * const *End,
-                                       const TemplateArgumentListInfo *Args) {
-  for (NamedDecl * const *I = Begin; I != End; ++I)
+bool UnresolvedLookupExpr::
+  ComputeDependence(UnresolvedSetImpl::const_iterator Begin,
+                    UnresolvedSetImpl::const_iterator End,
+                    const TemplateArgumentListInfo *Args) {
+  for (UnresolvedSetImpl::const_iterator I = Begin; I != End; ++I)
     if ((*I)->getDeclContext()->isDependentContext())
       return true;
 

Modified: cfe/trunk/lib/Sema/Lookup.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/Lookup.h?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/Lookup.h (original)
+++ cfe/trunk/lib/Sema/Lookup.h Tue Jan 19 18:46:10 2010
@@ -123,9 +123,7 @@
     Temporary
   };
 
-  typedef llvm::SmallVector<NamedDecl*, 4> DeclsTy;
-  typedef DeclsTy::const_iterator iterator;
-
+  typedef UnresolvedSetImpl::iterator iterator;
   typedef bool (*ResultFilter)(NamedDecl*, unsigned IDNS);
 
   LookupResult(Sema &SemaRef, DeclarationName Name, SourceLocation NameLoc,
@@ -224,8 +222,8 @@
     return Ambiguity;
   }
 
-  iterator begin() const { return Decls.begin(); }
-  iterator end() const { return Decls.end(); }
+  iterator begin() const { return iterator(Decls.begin()); }
+  iterator end() const { return iterator(Decls.end()); }
 
   /// \brief Return true if no decls were found
   bool empty() const { return Decls.empty(); }
@@ -247,32 +245,20 @@
     return IDNS;
   }
 
-  /// \brief Add a declaration to these results.  Does not test the
-  /// acceptance criteria.
+  /// \brief Add a declaration to these results with no access bits.
+  /// Does not test the acceptance criteria.
   void addDecl(NamedDecl *D) {
-    Decls.push_back(D);
+    Decls.addDecl(D);
     ResultKind = Found;
   }
 
   /// \brief Add all the declarations from another set of lookup
   /// results.
   void addAllDecls(const LookupResult &Other) {
-    Decls.append(Other.begin(), Other.end());
+    Decls.append(Other.Decls.begin(), Other.Decls.end());
     ResultKind = Found;
   }
 
-  /// \brief Hides a set of declarations.
-  template <class NamedDeclSet> void hideDecls(const NamedDeclSet &Set) {
-    unsigned I = 0, N = Decls.size();
-    while (I < N) {
-      if (Set.count(Decls[I]))
-        Decls[I] = Decls[--N];
-      else
-        I++;
-    }
-    Decls.set_size(N);
-  }
-
   /// \brief Determine whether no result was found because we could not
   /// search into dependent base classes of the current instantiation.
   bool wasNotFoundInCurrentInstantiation() const {
@@ -319,13 +305,13 @@
   NamedDecl *getFoundDecl() const {
     assert(getResultKind() == Found
            && "getFoundDecl called on non-unique result");
-    return Decls[0]->getUnderlyingDecl();
+    return (*begin())->getUnderlyingDecl();
   }
 
   /// Fetches a representative decl.  Useful for lazy diagnostics.
   NamedDecl *getRepresentativeDecl() const {
     assert(!Decls.empty() && "cannot get representative of empty set");
-    return Decls[0];
+    return *begin();
   }
 
   /// \brief Asks if the result is a single tag decl.
@@ -403,7 +389,7 @@
   /// sugared.
   class Filter {
     LookupResult &Results;
-    unsigned I;
+    LookupResult::iterator I;
     bool Changed;
 #ifndef NDEBUG
     bool CalledDone;
@@ -411,7 +397,7 @@
     
     friend class LookupResult;
     Filter(LookupResult &Results)
-      : Results(Results), I(0), Changed(false)
+      : Results(Results), I(Results.begin()), Changed(false)
 #ifndef NDEBUG
       , CalledDone(false)
 #endif
@@ -426,23 +412,30 @@
 #endif
 
     bool hasNext() const {
-      return I != Results.Decls.size();
+      return I != Results.end();
     }
 
     NamedDecl *next() {
-      assert(I < Results.Decls.size() && "next() called on empty filter");
-      return Results.Decls[I++];
+      assert(I != Results.end() && "next() called on empty filter");
+      return *I++;
     }
 
     /// Erase the last element returned from this iterator.
     void erase() {
-      Results.Decls[--I] = Results.Decls.back();
-      Results.Decls.pop_back();
+      Results.Decls.erase(--I);
       Changed = true;
     }
 
+    /// Replaces the current entry with the given one, preserving the
+    /// access bits.
     void replace(NamedDecl *D) {
-      Results.Decls[I-1] = D;
+      Results.Decls.replace(I-1, D);
+      Changed = true;
+    }
+
+    /// Replaces the current entry with the given one.
+    void replace(NamedDecl *D, AccessSpecifier AS) {
+      Results.Decls.replace(I-1, D, AS);
       Changed = true;
     }
 
@@ -482,7 +475,7 @@
     assert(ResultKind != Found || Decls.size() == 1);
     assert(ResultKind != FoundOverloaded || Decls.size() > 1 ||
            (Decls.size() == 1 &&
-            isa<FunctionTemplateDecl>(Decls[0]->getUnderlyingDecl())));
+            isa<FunctionTemplateDecl>((*begin())->getUnderlyingDecl())));
     assert(ResultKind != FoundUnresolvedValue || sanityCheckUnresolved());
     assert(ResultKind != Ambiguous || Decls.size() > 1 ||
            (Decls.size() == 1 && Ambiguity == AmbiguousBaseSubobjects));
@@ -492,8 +485,7 @@
   }
 
   bool sanityCheckUnresolved() const {
-    for (DeclsTy::const_iterator I = Decls.begin(), E = Decls.end();
-           I != E; ++I)
+    for (iterator I = begin(), E = end(); I != E; ++I)
       if (isa<UnresolvedUsingValueDecl>(*I))
         return true;
     return false;
@@ -504,7 +496,7 @@
   // Results.
   LookupResultKind ResultKind;
   AmbiguityKind Ambiguity; // ill-defined unless ambiguous
-  DeclsTy Decls;
+  UnresolvedSet<8> Decls;
   CXXBasePaths *Paths;
 
   // Parameters.

Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Tue Jan 19 18:46:10 2010
@@ -4487,9 +4487,9 @@
       = dyn_cast<CXXRecordDecl>(T2->getAs<RecordType>()->getDecl());
 
     OverloadCandidateSet CandidateSet;
-    const UnresolvedSet *Conversions
+    const UnresolvedSetImpl *Conversions
       = T2RecordDecl->getVisibleConversionFunctions();
-    for (UnresolvedSet::iterator I = Conversions->begin(),
+    for (UnresolvedSetImpl::iterator I = Conversions->begin(),
            E = Conversions->end(); I != E; ++I) {
       NamedDecl *D = *I;
       CXXRecordDecl *ActingDC = cast<CXXRecordDecl>(D->getDeclContext());

Modified: cfe/trunk/lib/Sema/SemaExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprCXX.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaExprCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExprCXX.cpp Tue Jan 19 18:46:10 2010
@@ -893,9 +893,9 @@
     if (const RecordType *Record = Type->getAs<RecordType>()) {
       llvm::SmallVector<CXXConversionDecl *, 4> ObjectPtrConversions;
       CXXRecordDecl *RD = cast<CXXRecordDecl>(Record->getDecl());
-      const UnresolvedSet *Conversions = RD->getVisibleConversionFunctions();
+      const UnresolvedSetImpl *Conversions = RD->getVisibleConversionFunctions();
       
-      for (UnresolvedSet::iterator I = Conversions->begin(),
+      for (UnresolvedSetImpl::iterator I = Conversions->begin(),
              E = Conversions->end(); I != E; ++I) {
         // Skip over templated conversion functions; they aren't considered.
         if (isa<FunctionTemplateDecl>(*I))

Modified: cfe/trunk/lib/Sema/SemaInit.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaInit.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaInit.cpp (original)
+++ cfe/trunk/lib/Sema/SemaInit.cpp Tue Jan 19 18:46:10 2010
@@ -2141,11 +2141,10 @@
     // refers to.
     QualType ToType = AllowRValues? cv1T1 : DestType;
 
-    const UnresolvedSet *Conversions
+    const UnresolvedSetImpl *Conversions
       = T2RecordDecl->getVisibleConversionFunctions();
-    for (UnresolvedSet::iterator I = Conversions->begin(),
-         E = Conversions->end(); 
-         I != E; ++I) {
+    for (UnresolvedSetImpl::const_iterator I = Conversions->begin(),
+           E = Conversions->end(); I != E; ++I) {
       NamedDecl *D = *I;
       CXXRecordDecl *ActingDC = cast<CXXRecordDecl>(D->getDeclContext());
       if (isa<UsingShadowDecl>(D))
@@ -2662,9 +2661,9 @@
       CXXRecordDecl *SourceRecordDecl
         = cast<CXXRecordDecl>(SourceRecordType->getDecl());
       
-      const UnresolvedSet *Conversions
+      const UnresolvedSetImpl *Conversions
         = SourceRecordDecl->getVisibleConversionFunctions();
-      for (UnresolvedSet::iterator I = Conversions->begin(),
+      for (UnresolvedSetImpl::const_iterator I = Conversions->begin(),
            E = Conversions->end(); 
            I != E; ++I) {
         NamedDecl *D = *I;

Modified: cfe/trunk/lib/Sema/SemaLookup.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaLookup.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaLookup.cpp (original)
+++ cfe/trunk/lib/Sema/SemaLookup.cpp Tue Jan 19 18:46:10 2010
@@ -324,9 +324,9 @@
   // If there's a single decl, we need to examine it to decide what
   // kind of lookup this is.
   if (N == 1) {
-    if (isa<FunctionTemplateDecl>(Decls[0]))
+    if (isa<FunctionTemplateDecl>(*Decls.begin()))
       ResultKind = FoundOverloaded;
-    else if (isa<UnresolvedUsingValueDecl>(Decls[0]))
+    else if (isa<UnresolvedUsingValueDecl>(*Decls.begin()))
       ResultKind = FoundUnresolvedValue;
     return;
   }
@@ -463,10 +463,9 @@
     if (!Record->isDefinition())
       return Found;
 
-    const UnresolvedSet *Unresolved = Record->getConversionFunctions();
-    for (UnresolvedSet::iterator U = Unresolved->begin(), 
-                              UEnd = Unresolved->end();
-         U != UEnd; ++U) {
+    const UnresolvedSetImpl *Unresolved = Record->getConversionFunctions();
+    for (UnresolvedSetImpl::iterator U = Unresolved->begin(), 
+           UEnd = Unresolved->end(); U != UEnd; ++U) {
       FunctionTemplateDecl *ConvTemplate = dyn_cast<FunctionTemplateDecl>(*U);
       if (!ConvTemplate)
         continue;
@@ -1243,7 +1242,12 @@
         Diag((*DI)->getLocation(), diag::note_hiding_object);
 
     // For recovery purposes, go ahead and implement the hiding.
-    Result.hideDecls(TagDecls);
+    LookupResult::Filter F = Result.makeFilter();
+    while (F.hasNext()) {
+      if (TagDecls.count(F.next()))
+        F.erase();
+    }
+    F.done();
 
     return true;
   }

Modified: cfe/trunk/lib/Sema/SemaOverload.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOverload.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaOverload.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOverload.cpp Tue Jan 19 18:46:10 2010
@@ -1533,9 +1533,9 @@
     if (CXXRecordDecl *FromRecordDecl
          = dyn_cast<CXXRecordDecl>(FromRecordType->getDecl())) {
       // Add all of the conversion functions as candidates.
-      const UnresolvedSet *Conversions
+      const UnresolvedSetImpl *Conversions
         = FromRecordDecl->getVisibleConversionFunctions();
-      for (UnresolvedSet::iterator I = Conversions->begin(),
+      for (UnresolvedSetImpl::iterator I = Conversions->begin(),
              E = Conversions->end(); I != E; ++I) {
         NamedDecl *D = *I;
         CXXRecordDecl *ActingContext = cast<CXXRecordDecl>(D->getDeclContext());
@@ -3280,9 +3280,9 @@
       }
 
       CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(TyRec->getDecl());
-      const UnresolvedSet *Conversions
+      const UnresolvedSetImpl *Conversions
         = ClassDecl->getVisibleConversionFunctions();
-      for (UnresolvedSet::iterator I = Conversions->begin(),
+      for (UnresolvedSetImpl::iterator I = Conversions->begin(),
              E = Conversions->end(); I != E; ++I) {
 
         // Skip conversion function templates; they don't tell us anything
@@ -3344,10 +3344,10 @@
     }
     
     CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(TyRec->getDecl());
-    const UnresolvedSet *Conversions =
+    const UnresolvedSetImpl *Conversions =
       ClassDecl->getVisibleConversionFunctions();
     
-    for (UnresolvedSet::iterator I = Conversions->begin(),
+    for (UnresolvedSetImpl::iterator I = Conversions->begin(),
            E = Conversions->end(); I != E; ++I) {
       if (CXXConversionDecl *Conv = dyn_cast<CXXConversionDecl>(*I)) {
         QualType CanTy = Context.getCanonicalType(Conv->getConversionType());
@@ -5938,9 +5938,9 @@
   //   functions for each conversion function declared in an
   //   accessible base class provided the function is not hidden
   //   within T by another intervening declaration.
-  const UnresolvedSet *Conversions
+  const UnresolvedSetImpl *Conversions
     = cast<CXXRecordDecl>(Record->getDecl())->getVisibleConversionFunctions();
-  for (UnresolvedSet::iterator I = Conversions->begin(),
+  for (UnresolvedSetImpl::iterator I = Conversions->begin(),
          E = Conversions->end(); I != E; ++I) {
     NamedDecl *D = *I;
     CXXRecordDecl *ActingContext = cast<CXXRecordDecl>(D->getDeclContext());

Modified: cfe/trunk/lib/Sema/SemaStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaStmt.cpp?rev=93959&r1=93958&r2=93959&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaStmt.cpp (original)
+++ cfe/trunk/lib/Sema/SemaStmt.cpp Tue Jan 19 18:46:10 2010
@@ -412,10 +412,10 @@
   llvm::SmallVector<CXXConversionDecl *, 4> ViableConversions;
   llvm::SmallVector<CXXConversionDecl *, 4> ExplicitConversions;
   if (const RecordType *RecordTy = CondType->getAs<RecordType>()) {
-    const UnresolvedSet *Conversions
+    const UnresolvedSetImpl *Conversions
       = cast<CXXRecordDecl>(RecordTy->getDecl())
                                              ->getVisibleConversionFunctions();
-    for (UnresolvedSet::iterator I = Conversions->begin(),
+    for (UnresolvedSetImpl::iterator I = Conversions->begin(),
            E = Conversions->end(); I != E; ++I) {
       if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(*I))
         if (Conversion->getConversionType().getNonReferenceType()





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