Added documentation to ClangASTSource and
NameSearchContext.


git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@110980 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Expression/ClangASTSource.cpp b/source/Expression/ClangASTSource.cpp
index f914728..7176cbe 100644
--- a/source/Expression/ClangASTSource.cpp
+++ b/source/Expression/ClangASTSource.cpp
@@ -111,6 +111,10 @@
                                                      false,
                                                      true);
     
+    // We have to do more than just synthesize the FunctionDecl.  We have to
+    // synthesize ParmVarDecls for all of the FunctionDecl's arguments.  To do
+    // this, we raid the function's FunctionProtoType for types.
+    
     QualType QT = QualType::getFromOpaquePtr(type);
     clang::Type *T = QT.getTypePtr();
     const FunctionProtoType *FPT = T->getAs<FunctionProtoType>();