[cfe-commits] r114704 - in /cfe/trunk: include/clang/Sema/CodeCompleteConsumer.h lib/Frontend/ASTUnit.cpp lib/Sema/CodeCompleteConsumer.cpp lib/Sema/SemaCodeComplete.cpp test/Index/complete-declarators.cpp

Douglas Gregor dgregor at apple.com
Thu Sep 23 16:01:17 PDT 2010


Author: dgregor
Date: Thu Sep 23 18:01:17 2010
New Revision: 114704

URL: http://llvm.org/viewvc/llvm-project?rev=114704&view=rev
Log:
Synchronize globally-cached code completion results with the results
provided when the optimization is disabled. In particular, split
the completion context CCC_Other into two contexts: CCC_Other, which
means that it's an undisclosed context for which any other results are
unwelcome, and CCC_Recovery, which is used in recovery cases.

Since we're now using the completion context within the completion
results builder, make sure that it's always set to something.

Fixes <rdar://problem/8470644>.

Modified:
    cfe/trunk/include/clang/Sema/CodeCompleteConsumer.h
    cfe/trunk/lib/Frontend/ASTUnit.cpp
    cfe/trunk/lib/Sema/CodeCompleteConsumer.cpp
    cfe/trunk/lib/Sema/SemaCodeComplete.cpp
    cfe/trunk/test/Index/complete-declarators.cpp

Modified: cfe/trunk/include/clang/Sema/CodeCompleteConsumer.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Sema/CodeCompleteConsumer.h?rev=114704&r1=114703&r2=114704&view=diff
==============================================================================
--- cfe/trunk/include/clang/Sema/CodeCompleteConsumer.h (original)
+++ cfe/trunk/include/clang/Sema/CodeCompleteConsumer.h Thu Sep 23 18:01:17 2010
@@ -146,7 +146,7 @@
 class CodeCompletionContext {
 public:
   enum Kind {
-    /// \brief An unspecified code-completion context.
+    /// \brief An unspecified code-completion context, where the 
     CCC_Other,
     /// \brief Code completion occurred within a "top-level" completion context,
     /// e.g., at namespace or global scope.
@@ -220,7 +220,10 @@
     CCC_TypeQualifiers,
     /// \brief Code completion in a parenthesized expression, which means that
     /// we may also have types here in C and Objective-C (as well as in C++).
-    CCC_ParenthesizedExpression
+    CCC_ParenthesizedExpression,
+    /// \brief An unknown context, in which we are recovering from a parsing 
+    /// error and don't know which completions we should give.
+    CCC_Recovery
   };
 
 private:

Modified: cfe/trunk/lib/Frontend/ASTUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/ASTUnit.cpp?rev=114704&r1=114703&r2=114704&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/ASTUnit.cpp (original)
+++ cfe/trunk/lib/Frontend/ASTUnit.cpp Thu Sep 23 18:01:17 2010
@@ -142,7 +142,7 @@
       
       if (LangOpts.CPlusPlus)
         IsNestedNameSpecifier = true;
-    } else if (isa<ClassTemplateDecl>(ND) || isa<TemplateTemplateParmDecl>(ND))
+    } else if (isa<ClassTemplateDecl>(ND))
       IsNestedNameSpecifier = true;
   } else if (isa<ValueDecl>(ND) || isa<FunctionTemplateDecl>(ND)) {
     // Values can appear in these contexts.
@@ -1523,7 +1523,8 @@
         | (1 << (CodeCompletionContext::CCC_ObjCMessageReceiver - 1))
         | (1 << (CodeCompletionContext::CCC_MemberAccess - 1))
         | (1 << (CodeCompletionContext::CCC_ObjCProtocolName - 1))
-        | (1 << (CodeCompletionContext::CCC_ParenthesizedExpression - 1));
+        | (1 << (CodeCompletionContext::CCC_ParenthesizedExpression - 1))
+        | (1 << (CodeCompletionContext::CCC_Recovery - 1));
 
       if (AST.getASTContext().getLangOptions().CPlusPlus)
         NormalContexts |= (1 << (CodeCompletionContext::CCC_EnumTag - 1))
@@ -1553,7 +1554,7 @@
                           llvm::StringSet<> &HiddenNames) {
   bool OnlyTagNames = false;
   switch (Context.getKind()) {
-  case CodeCompletionContext::CCC_Other:
+  case CodeCompletionContext::CCC_Recovery:
   case CodeCompletionContext::CCC_TopLevel:
   case CodeCompletionContext::CCC_ObjCInterface:
   case CodeCompletionContext::CCC_ObjCImplementation:
@@ -1584,6 +1585,7 @@
   case CodeCompletionContext::CCC_NaturalLanguage:
   case CodeCompletionContext::CCC_SelectorName:
   case CodeCompletionContext::CCC_TypeQualifiers:
+  case CodeCompletionContext::CCC_Other:
     // We're looking for nothing, or we're looking for names that cannot
     // be hidden.
     return;
@@ -1628,7 +1630,7 @@
   // Merge the results we were given with the results we cached.
   bool AddedResult = false;
   unsigned InContexts  
-    = (Context.getKind() == CodeCompletionContext::CCC_Other? NormalContexts
+    = (Context.getKind() == CodeCompletionContext::CCC_Recovery? NormalContexts
                                             : (1 << (Context.getKind() - 1)));
 
   // Contains the set of names that are hidden by "local" completion results.

Modified: cfe/trunk/lib/Sema/CodeCompleteConsumer.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/CodeCompleteConsumer.cpp?rev=114704&r1=114703&r2=114704&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/CodeCompleteConsumer.cpp (original)
+++ cfe/trunk/lib/Sema/CodeCompleteConsumer.cpp Thu Sep 23 18:01:17 2010
@@ -33,7 +33,7 @@
 
 bool CodeCompletionContext::wantConstructorResults() const {
   switch (Kind) {
-  case CCC_Other:
+  case CCC_Recovery:
   case CCC_Statement:
   case CCC_Expression:
   case CCC_ObjCMessageReceiver:
@@ -61,6 +61,7 @@
   case CCC_NaturalLanguage:
   case CCC_SelectorName:
   case CCC_TypeQualifiers:
+  case CCC_Other:
     return false;
   }
   

Modified: cfe/trunk/lib/Sema/SemaCodeComplete.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaCodeComplete.cpp?rev=114704&r1=114703&r2=114704&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaCodeComplete.cpp (original)
+++ cfe/trunk/lib/Sema/SemaCodeComplete.cpp Thu Sep 23 18:01:17 2010
@@ -155,10 +155,12 @@
     void MaybeAddConstructorResults(Result R);
     
   public:
-    explicit ResultBuilder(Sema &SemaRef, LookupFilter Filter = 0)
+    explicit ResultBuilder(Sema &SemaRef, 
+                           const CodeCompletionContext &CompletionContext,
+                           LookupFilter Filter = 0)
       : SemaRef(SemaRef), Filter(Filter), AllowNestedNameSpecifiers(false),
         HasObjectTypeQualifiers(false), 
-        CompletionContext(CodeCompletionContext::CCC_Other) { }
+        CompletionContext(CompletionContext) { }
     
     /// \brief Whether we should include code patterns in the completion
     /// results.
@@ -208,11 +210,6 @@
       return CompletionContext; 
     }
     
-    /// \brief Set the code-completion context.
-    void setCompletionContext(const CodeCompletionContext &CompletionContext) {
-      this->CompletionContext = CompletionContext;
-    }
-    
     /// \brief Specify whether nested-name-specifiers are allowed.
     void allowNestedNameSpecifiers(bool Allow = true) {
       AllowNestedNameSpecifiers = Allow;
@@ -296,6 +293,7 @@
     bool IsObjCIvar(NamedDecl *ND) const;
     bool IsObjCMessageReceiver(NamedDecl *ND) const;
     bool IsObjCCollection(NamedDecl *ND) const;
+    bool IsImpossibleToSatisfy(NamedDecl *ND) const;
     //@}    
   };  
 }
@@ -486,7 +484,8 @@
   if (Filter == &ResultBuilder::IsNestedNameSpecifier ||
       ((isa<NamespaceDecl>(ND) || isa<NamespaceAliasDecl>(ND)) &&
        Filter != &ResultBuilder::IsNamespace &&
-       Filter != &ResultBuilder::IsNamespaceOrAlias))
+       Filter != &ResultBuilder::IsNamespaceOrAlias &&
+       Filter != 0))
     AsNestedNameSpecifier = true;
 
   // Filter out any unwanted results.
@@ -1094,6 +1093,10 @@
          (SemaRef.getLangOptions().CPlusPlus && T->isRecordType());
 }
 
+bool ResultBuilder::IsImpossibleToSatisfy(NamedDecl *ND) const {
+  return false;
+}
+
 /// \rief Determines whether the given declaration is an Objective-C
 /// instance variable.
 bool ResultBuilder::IsObjCIvar(NamedDecl *ND) const {
@@ -2567,8 +2570,15 @@
       
   case Sema::PCC_Template:
   case Sema::PCC_MemberTemplate:
+    if (S.CurContext->isFileContext())
+      return CodeCompletionContext::CCC_TopLevel;
+    else if (S.CurContext->isRecord())
+      return CodeCompletionContext::CCC_ClassStructUnion;
+    else 
+      return CodeCompletionContext::CCC_Other;
+      
   case Sema::PCC_RecoveryInFunction:
-    return CodeCompletionContext::CCC_Other;
+    return CodeCompletionContext::CCC_Recovery;
       
   case Sema::PCC_Expression:
   case Sema::PCC_ForInit:
@@ -2664,9 +2674,8 @@
 void Sema::CodeCompleteOrdinaryName(Scope *S, 
                                     ParserCompletionContext CompletionContext) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);  
-  Results.setCompletionContext(mapCodeCompletionContext(*this, 
-                                                        CompletionContext));
+  ResultBuilder Results(*this, 
+                        mapCodeCompletionContext(*this, CompletionContext));
   Results.EnterNewScope();
   
   // Determine how to filter results, e.g., so that the names of
@@ -2758,7 +2767,10 @@
                                 bool AllowNonIdentifiers,
                                 bool AllowNestedNameSpecifiers) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);    
+  ResultBuilder Results(*this,
+                        AllowNestedNameSpecifiers
+                          ? CodeCompletionContext::CCC_PotentiallyQualifiedName
+                          : CodeCompletionContext::CCC_Name);
   Results.EnterNewScope();
   
   // Type qualifiers can come after names.
@@ -2775,9 +2787,11 @@
     // Add nested-name-specifiers.
     if (AllowNestedNameSpecifiers) {
       Results.allowNestedNameSpecifiers();
+      Results.setFilter(&ResultBuilder::IsImpossibleToSatisfy);
       CodeCompletionDeclConsumer Consumer(Results, CurContext);
       LookupVisibleDecls(S, LookupNestedNameSpecifierName, Consumer,
                          CodeCompleter->includeGlobals());
+      Results.setFilter(0);
     }
   }
   Results.ExitScope();
@@ -2806,10 +2820,8 @@
   // Note that we intentionally suppress macro results here, since we do not
   // encourage using macros to produce the names of entities.
 
-  HandleCodeCompleteResults(this, CodeCompleter,
-                        AllowNestedNameSpecifiers
-                          ? CodeCompletionContext::CCC_PotentiallyQualifiedName
-                          : CodeCompletionContext::CCC_Name,
+  HandleCodeCompleteResults(this, CodeCompleter, 
+                            Results.getCompletionContext(),
                             Results.data(), Results.size());
 }
 
@@ -2832,8 +2844,7 @@
 void Sema::CodeCompleteExpression(Scope *S, 
                                   const CodeCompleteExpressionData &Data) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
-  
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Expression);
   if (Data.ObjCCollection)
     Results.setFilter(&ResultBuilder::IsObjCCollection);
   else if (Data.IntegralConstantExpression)
@@ -2951,7 +2962,10 @@
       return;
   }
   
-  ResultBuilder Results(*this, &ResultBuilder::IsMember);
+  ResultBuilder Results(*this, 
+                  CodeCompletionContext(CodeCompletionContext::CCC_MemberAccess,
+                                        BaseType),
+                        &ResultBuilder::IsMember);
   Results.EnterNewScope();
   if (const RecordType *Record = BaseType->getAs<RecordType>()) {
     // Indicate that we are performing a member access, and the cv-qualifiers
@@ -3021,8 +3035,7 @@
 
   // Hand off the results found for code completion.
   HandleCodeCompleteResults(this, CodeCompleter, 
-            CodeCompletionContext(CodeCompletionContext::CCC_MemberAccess,
-                                              BaseType),
+                            Results.getCompletionContext(),
                             Results.data(),Results.size());
 }
 
@@ -3056,7 +3069,7 @@
     return;
   }
   
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, ContextKind);
   CodeCompletionDeclConsumer Consumer(Results, CurContext);
 
   // First pass: look for tags.
@@ -3070,12 +3083,12 @@
     LookupVisibleDecls(S, LookupNestedNameSpecifierName, Consumer);
   }
   
-  HandleCodeCompleteResults(this, CodeCompleter, ContextKind,
+  HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
                             Results.data(),Results.size());
 }
 
 void Sema::CodeCompleteTypeQualifiers(DeclSpec &DS) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_TypeQualifiers);
   Results.EnterNewScope();
   if (!(DS.getTypeQualifiers() & DeclSpec::TQ_const))
     Results.AddResult("const");
@@ -3086,7 +3099,7 @@
     Results.AddResult("restrict");
   Results.ExitScope();
   HandleCodeCompleteResults(this, CodeCompleter, 
-                            CodeCompletionContext::CCC_TypeQualifiers,
+                            Results.getCompletionContext(),
                             Results.data(), Results.size());
 }
 
@@ -3156,7 +3169,7 @@
   }
   
   // Add any enumerators that have not yet been mentioned.
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Expression);
   Results.EnterNewScope();
   for (EnumDecl::enumerator_iterator E = Enum->enumerator_begin(),
                                   EEnd = Enum->enumerator_end();
@@ -3359,9 +3372,9 @@
   if (!isDependentScopeSpecifier(SS) && RequireCompleteDeclContext(SS, Ctx))
     return;
 
-  ResultBuilder Results(*this);
-  
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Name);
   Results.EnterNewScope();
+  
   // The "template" keyword can follow "::" in the grammar, but only
   // put it into the grammar if the nested-name-specifier is dependent.
   NestedNameSpecifier *NNS = (NestedNameSpecifier *)SS.getScopeRep();
@@ -3389,7 +3402,9 @@
   if (!CodeCompleter)
     return;
   
-  ResultBuilder Results(*this, &ResultBuilder::IsNestedNameSpecifier);
+  ResultBuilder Results(*this, 
+                        CodeCompletionContext::CCC_PotentiallyQualifiedName,
+                        &ResultBuilder::IsNestedNameSpecifier);
   Results.EnterNewScope();
   
   // If we aren't in class scope, we could see the "namespace" keyword.
@@ -3404,7 +3419,7 @@
   Results.ExitScope();
   
   HandleCodeCompleteResults(this, CodeCompleter, 
-                            CodeCompletionContext::CCC_Other,
+                            CodeCompletionContext::CCC_PotentiallyQualifiedName,
                             Results.data(),Results.size());
 }
 
@@ -3414,7 +3429,8 @@
   
   // After "using namespace", we expect to see a namespace name or namespace
   // alias.
-  ResultBuilder Results(*this, &ResultBuilder::IsNamespaceOrAlias);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Namespace,
+                        &ResultBuilder::IsNamespaceOrAlias);
   Results.EnterNewScope();
   CodeCompletionDeclConsumer Consumer(Results, CurContext);
   LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
@@ -3429,12 +3445,20 @@
   if (!CodeCompleter)
     return;
   
-  ResultBuilder Results(*this, &ResultBuilder::IsNamespace);
   DeclContext *Ctx = (DeclContext *)S->getEntity();
   if (!S->getParent())
     Ctx = Context.getTranslationUnitDecl();
   
-  if (Ctx && Ctx->isFileContext()) {
+  bool SuppressedGlobalResults
+    = Ctx && !CodeCompleter->includeGlobals() && isa<TranslationUnitDecl>(Ctx);
+  
+  ResultBuilder Results(*this, 
+                        SuppressedGlobalResults
+                          ? CodeCompletionContext::CCC_Namespace
+                          : CodeCompletionContext::CCC_Other,
+                        &ResultBuilder::IsNamespace);
+  
+  if (Ctx && Ctx->isFileContext() && !SuppressedGlobalResults) {
     // We only want to see those namespaces that have already been defined
     // within this scope, because its likely that the user is creating an
     // extended namespace declaration. Keep track of the most recent 
@@ -3457,7 +3481,7 @@
   }
   
   HandleCodeCompleteResults(this, CodeCompleter, 
-                            CodeCompletionContext::CCC_Other,
+                            Results.getCompletionContext(),
                             Results.data(),Results.size());
 }
 
@@ -3466,12 +3490,13 @@
     return;
   
   // After "namespace", we expect to see a namespace or alias.
-  ResultBuilder Results(*this, &ResultBuilder::IsNamespaceOrAlias);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Namespace,
+                        &ResultBuilder::IsNamespaceOrAlias);
   CodeCompletionDeclConsumer Consumer(Results, CurContext);
   LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
                      CodeCompleter->includeGlobals());
   HandleCodeCompleteResults(this, CodeCompleter, 
-                            CodeCompletionContext::CCC_Namespace,
+                            Results.getCompletionContext(),
                             Results.data(),Results.size());
 }
 
@@ -3480,7 +3505,8 @@
     return;
 
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this, &ResultBuilder::IsType);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Type,
+                        &ResultBuilder::IsType);
   Results.EnterNewScope();
   
   // Add the names of overloadable operators.
@@ -3512,7 +3538,8 @@
   if (!Constructor)
     return;
   
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, 
+                        CodeCompletionContext::CCC_PotentiallyQualifiedName);
   Results.EnterNewScope();
   
   // Fill in any already-initialized fields or base classes.
@@ -3606,8 +3633,7 @@
   }
   Results.ExitScope();
   
-  HandleCodeCompleteResults(this, CodeCompleter, 
-                            CodeCompletionContext::CCC_Name,
+  HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
                             Results.data(), Results.size());
 }
 
@@ -3708,7 +3734,7 @@
 void Sema::CodeCompleteObjCAtDirective(Scope *S, Decl *ObjCImpDecl,
                                        bool InInterface) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   if (ObjCImpDecl)
     AddObjCImplementationResults(getLangOptions(), Results, false);
@@ -3811,7 +3837,7 @@
 }
 
 void Sema::CodeCompleteObjCAtVisibility(Scope *S) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   AddObjCVisibilityResults(getLangOptions(), Results, false);
   Results.ExitScope();
@@ -3821,7 +3847,7 @@
 }
 
 void Sema::CodeCompleteObjCAtStatement(Scope *S) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   AddObjCStatementResults(Results, false);
   AddObjCExpressionResults(Results, false);
@@ -3832,7 +3858,7 @@
 }
 
 void Sema::CodeCompleteObjCAtExpression(Scope *S) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   AddObjCExpressionResults(Results, false);
   Results.ExitScope();
@@ -3878,7 +3904,7 @@
   unsigned Attributes = ODS.getPropertyAttributes();
   
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_readonly))
     Results.AddResult(CodeCompletionResult("readonly"));
@@ -4079,7 +4105,7 @@
   }
 
   // Find all of the potential getters.
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
 
   // FIXME: We need to do this because Objective-C methods don't get
@@ -4122,7 +4148,7 @@
   }
 
   // Find all of the potential getters.
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
 
   // FIXME: We need to do this because Objective-C methods don't get
@@ -4150,7 +4176,7 @@
 
 void Sema::CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Type);
   Results.EnterNewScope();
   
   // Add context-sensitive, Objective-C parameter-passing keywords.
@@ -4369,12 +4395,9 @@
                                    
 void Sema::CodeCompleteObjCMessageReceiver(Scope *S) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_ObjCMessageReceiver,
+                        &ResultBuilder::IsObjCMessageReceiver);
   
-  // Find anything that looks like it could be a message receiver.
-  Results.setFilter(&ResultBuilder::IsObjCMessageReceiver);
-  Results.setCompletionContext(CodeCompletionContext::CCC_ObjCMessageReceiver);
-
   CodeCompletionDeclConsumer Consumer(Results, CurContext);
   Results.EnterNewScope();
   LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
@@ -4585,7 +4608,7 @@
                                         unsigned NumSelIdents,
                                         bool AtArgumentExpression,
                                         bool IsSuper) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   AddClassMessageCompletions(*this, S, Receiver, SelIdents, NumSelIdents, 
                              AtArgumentExpression, IsSuper, Results);
   
@@ -4625,7 +4648,7 @@
   QualType ReceiverType = RecExpr? RecExpr->getType() : Context.getObjCIdType();
   
   // Build the set of methods we can see.
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
 
   // If this is a send-to-super, try to add the special "super" send 
@@ -4780,7 +4803,7 @@
     }
   }
   
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_SelectorName);
   Results.EnterNewScope();
   for (GlobalMethodPool::iterator M = MethodPool.begin(),
                                MEnd = MethodPool.end();
@@ -4849,7 +4872,7 @@
 
 void Sema::CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols,
                                               unsigned NumProtocols) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_ObjCProtocolName);
   Results.EnterNewScope();
   
   // Tell the result set to ignore all of the protocols we have
@@ -4870,7 +4893,7 @@
 }
 
 void Sema::CodeCompleteObjCProtocolDecl(Scope *) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_ObjCProtocolName);
   Results.EnterNewScope();
   
   // Add all protocols.
@@ -4913,7 +4936,7 @@
 }
 
 void Sema::CodeCompleteObjCInterfaceDecl(Scope *S) { 
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   
   // Add all classes.
@@ -4921,6 +4944,8 @@
                       false, Results);
 
   Results.ExitScope();
+  // FIXME: Add a special context for this, use cached global completion 
+  // results.
   HandleCodeCompleteResults(this, CodeCompleter,
                             CodeCompletionContext::CCC_Other,
                             Results.data(),Results.size());
@@ -4928,7 +4953,7 @@
 
 void Sema::CodeCompleteObjCSuperclass(Scope *S, IdentifierInfo *ClassName,
                                       SourceLocation ClassNameLoc) { 
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   
   // Make sure that we ignore the class we're currently defining.
@@ -4942,13 +4967,15 @@
                       false, Results);
 
   Results.ExitScope();
+  // FIXME: Add a special context for this, use cached global completion 
+  // results.
   HandleCodeCompleteResults(this, CodeCompleter, 
                             CodeCompletionContext::CCC_Other,
                             Results.data(),Results.size());
 }
 
 void Sema::CodeCompleteObjCImplementationDecl(Scope *S) { 
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
 
   // Add all unimplemented classes.
@@ -4956,6 +4983,8 @@
                       true, Results);
 
   Results.ExitScope();
+  // FIXME: Add a special context for this, use cached global completion 
+  // results.
   HandleCodeCompleteResults(this, CodeCompleter, 
                             CodeCompletionContext::CCC_Other,
                             Results.data(),Results.size());
@@ -4966,7 +4995,7 @@
                                              SourceLocation ClassNameLoc) {
   typedef CodeCompletionResult Result;
   
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   
   // Ignore any categories we find that have already been implemented by this
   // interface.
@@ -5008,7 +5037,7 @@
   if (!Class)
     return CodeCompleteObjCInterfaceCategory(S, ClassName, ClassNameLoc);
     
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   
   // Add all of the categories that have have corresponding interface 
   // declarations in this class and any of its superclasses, except for
@@ -5035,7 +5064,7 @@
 
 void Sema::CodeCompleteObjCPropertyDefinition(Scope *S, Decl *ObjCImpDecl) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
 
   // Figure out where this @synthesize lives.
   ObjCContainerDecl *Container
@@ -5072,7 +5101,7 @@
                                                   IdentifierInfo *PropertyName,
                                                   Decl *ObjCImpDecl) {
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
 
   // Figure out where this @synthesize lives.
   ObjCContainerDecl *Container
@@ -5253,7 +5282,7 @@
 
   // Add declarations or definitions for each of the known methods.
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   Results.EnterNewScope();
   PrintingPolicy Policy(Context.PrintingPolicy);
   Policy.AnonymousTagLocations = false;
@@ -5366,7 +5395,7 @@
 
   // Build the set of methods we can see.
   typedef CodeCompletionResult Result;
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, CodeCompletionContext::CCC_Other);
   
   if (ReturnTy)
     Results.setPreferredType(GetTypeFromParser(ReturnTy).getNonReferenceType());
@@ -5412,7 +5441,8 @@
 }
 
 void Sema::CodeCompletePreprocessorDirective(bool InConditional) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, 
+                        CodeCompletionContext::CCC_PreprocessorDirective);
   Results.EnterNewScope();
   
   // #if <condition>
@@ -5593,7 +5623,9 @@
 }
 
 void Sema::CodeCompletePreprocessorMacroName(bool IsDefinition) {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this,
+                        IsDefinition? CodeCompletionContext::CCC_MacroName
+                                    : CodeCompletionContext::CCC_MacroNameUse);
   if (!IsDefinition && (!CodeCompleter || CodeCompleter->includeMacros())) {
     // Add just the names of macros, not their arguments.    
     Results.EnterNewScope();
@@ -5609,14 +5641,13 @@
     // FIXME: Can we detect when the user just wrote an include guard above?
   }
   
-  HandleCodeCompleteResults(this, CodeCompleter, 
-                      IsDefinition? CodeCompletionContext::CCC_MacroName
-                                  : CodeCompletionContext::CCC_MacroNameUse,
+  HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(),
                             Results.data(), Results.size()); 
 }
 
 void Sema::CodeCompletePreprocessorExpression() {
-  ResultBuilder Results(*this);
+  ResultBuilder Results(*this, 
+                        CodeCompletionContext::CCC_PreprocessorExpression);
   
   if (!CodeCompleter || CodeCompleter->includeMacros())
     AddMacroResults(PP, Results);
@@ -5657,7 +5688,7 @@
 
 void Sema::GatherGlobalCodeCompletions(
                  llvm::SmallVectorImpl<CodeCompletionResult> &Results) {
-  ResultBuilder Builder(*this);
+  ResultBuilder Builder(*this, CodeCompletionContext::CCC_Recovery);
 
   if (!CodeCompleter || CodeCompleter->includeGlobals()) {
     CodeCompletionDeclConsumer Consumer(Builder, 

Modified: cfe/trunk/test/Index/complete-declarators.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Index/complete-declarators.cpp?rev=114704&r1=114703&r2=114704&view=diff
==============================================================================
--- cfe/trunk/test/Index/complete-declarators.cpp (original)
+++ cfe/trunk/test/Index/complete-declarators.cpp Thu Sep 23 18:01:17 2010
@@ -15,25 +15,29 @@
 };
 
 // RUN: c-index-test -code-completion-at=%s:8:5 %s | FileCheck -check-prefix=CHECK-CC1 %s
+// RUN: env CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_CACHING=1 c-index-test -code-completion-at=%s:8:5 %s | FileCheck -check-prefix=CHECK-CC1 %s
 // CHECK-CC1: NotImplemented:{TypedText const} (30)
 // CHECK-CC1: Namespace:{TypedText N}{Text ::} (75)
 // CHECK-CC1: NotImplemented:{TypedText operator} (30)
 // CHECK-CC1: NotImplemented:{TypedText volatile} (30)
 // RUN: c-index-test -code-completion-at=%s:8:11 %s | FileCheck -check-prefix=CHECK-CC2 %s
+// RUN: env CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_CACHING=1 c-index-test -code-completion-at=%s:8:11 %s | FileCheck -check-prefix=CHECK-CC2 %s
 // CHECK-CC2: NotImplemented:{TypedText const} (30)
 // CHECK-CC2-NOT: Namespace:{TypedText N}{Text ::} (75)
 // CHECK-CC2-NOT: NotImplemented:{TypedText operator} (30)
 // CHECK-CC2: NotImplemented:{TypedText volatile} (30)
 // RUN: c-index-test -code-completion-at=%s:13:7 %s | FileCheck -check-prefix=CHECK-CC3 %s
+// RUN: env CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_CACHING=1 c-index-test -code-completion-at=%s:13:7 %s | FileCheck -check-prefix=CHECK-CC3 %s
 // CHECK-CC3: NotImplemented:{TypedText const} (30)
 // CHECK-CC3-NOT: Namespace:{TypedText N}{Text ::} (75)
 // CHECK-CC3: NotImplemented:{TypedText operator} (30)
 // CHECK-CC3: NotImplemented:{TypedText volatile} (30)
 // RUN: c-index-test -code-completion-at=%s:14:14 %s | FileCheck -check-prefix=CHECK-CC4 %s
+// RUN: env CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_CACHING=1 c-index-test -code-completion-at=%s:14:14 %s | FileCheck -check-prefix=CHECK-CC4 %s
 // CHECK-CC4: NotImplemented:{TypedText const} (30)
 // CHECK-CC4: Namespace:{TypedText N}{Text ::} (75)
 // CHECK-CC4: NotImplemented:{TypedText operator} (30)
 // CHECK-CC4: NotImplemented:{TypedText volatile} (30)
-// CHECK-CC4: StructDecl:{TypedText Y} (50)
-// CHECK-CC4: StructDecl:{TypedText Z} (20)
+// CHECK-CC4: StructDecl:{TypedText Y}{Text ::} (75)
+// CHECK-CC4: StructDecl:{TypedText Z}{Text ::} (75)
 





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