Basic code completion support for the base and member initializers in
a constructor.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112330 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index 9a2cfe7..d185181 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -3267,6 +3267,86 @@
Results.data(),Results.size());
}
+void Sema::CodeCompleteConstructorInitializer(Decl *ConstructorD,
+ CXXBaseOrMemberInitializer** Initializers,
+ unsigned NumInitializers) {
+ CXXConstructorDecl *Constructor
+ = static_cast<CXXConstructorDecl *>(ConstructorD);
+ if (!Constructor)
+ return;
+
+ ResultBuilder Results(*this);
+ Results.EnterNewScope();
+
+ // Fill in any already-initialized fields or base classes.
+ llvm::SmallPtrSet<FieldDecl *, 4> InitializedFields;
+ llvm::SmallPtrSet<CanQualType, 4> InitializedBases;
+ for (unsigned I = 0; I != NumInitializers; ++I) {
+ if (Initializers[I]->isBaseInitializer())
+ InitializedBases.insert(
+ Context.getCanonicalType(QualType(Initializers[I]->getBaseClass(), 0)));
+ else
+ InitializedFields.insert(cast<FieldDecl>(Initializers[I]->getMember()));
+ }
+
+ // Add completions for base classes.
+ unsigned Priority = 1;
+ CXXRecordDecl *ClassDecl = Constructor->getParent();
+ for (CXXRecordDecl::base_class_iterator Base = ClassDecl->bases_begin(),
+ BaseEnd = ClassDecl->bases_end();
+ Base != BaseEnd; ++Base) {
+ if (!InitializedBases.insert(Context.getCanonicalType(Base->getType())))
+ continue;
+
+ CodeCompletionString *Pattern = new CodeCompletionString;
+ Pattern->AddTypedTextChunk(
+ Base->getType().getAsString(Context.PrintingPolicy));
+ Pattern->AddChunk(CodeCompletionString::CK_LeftParen);
+ Pattern->AddPlaceholderChunk("args");
+ Pattern->AddChunk(CodeCompletionString::CK_RightParen);
+ Results.AddResult(CodeCompletionResult(Pattern, Priority++));
+ }
+
+ // Add completions for virtual base classes.
+ for (CXXRecordDecl::base_class_iterator Base = ClassDecl->vbases_begin(),
+ BaseEnd = ClassDecl->vbases_end();
+ Base != BaseEnd; ++Base) {
+ if (!InitializedBases.insert(Context.getCanonicalType(Base->getType())))
+ continue;
+
+ CodeCompletionString *Pattern = new CodeCompletionString;
+ Pattern->AddTypedTextChunk(
+ Base->getType().getAsString(Context.PrintingPolicy));
+ Pattern->AddChunk(CodeCompletionString::CK_LeftParen);
+ Pattern->AddPlaceholderChunk("args");
+ Pattern->AddChunk(CodeCompletionString::CK_RightParen);
+ Results.AddResult(CodeCompletionResult(Pattern, Priority++));
+ }
+
+ // Add completions for members.
+ for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(),
+ FieldEnd = ClassDecl->field_end();
+ Field != FieldEnd; ++Field) {
+ if (!InitializedFields.insert(cast<FieldDecl>(Field->getCanonicalDecl())))
+ continue;
+
+ if (!Field->getDeclName())
+ continue;
+
+ CodeCompletionString *Pattern = new CodeCompletionString;
+ Pattern->AddTypedTextChunk(Field->getIdentifier()->getName());
+ Pattern->AddChunk(CodeCompletionString::CK_LeftParen);
+ Pattern->AddPlaceholderChunk("args");
+ Pattern->AddChunk(CodeCompletionString::CK_RightParen);
+ Results.AddResult(CodeCompletionResult(Pattern, Priority++));
+ }
+ Results.ExitScope();
+
+ HandleCodeCompleteResults(this, CodeCompleter,
+ CodeCompletionContext::CCC_Name,
+ Results.data(), Results.size());
+}
+
// Macro that expands to @Keyword or Keyword, depending on whether NeedAt is
// true or false.
#define OBJC_AT_KEYWORD_NAME(NeedAt,Keyword) NeedAt? "@" #Keyword : #Keyword