Added fixmes

Author: David Ungar

include/swift/AST/ASTScope.h

@@ -210,9 +210,11 @@ class ASTScopeImpl {
   /// node.
   void widenSourceRangeForIgnoredASTNode(ASTNode);
 
-  // InterpolatedStringLiteralExprs and EditorPlaceHolders respond to
-  // getSourceRange with the starting point. But we might be asked to lookup an
-  // identifer within one of them. So, find the real source range of them here.
+  /// InterpolatedStringLiteralExprs and EditorPlaceHolders respond to
+  /// getSourceRange with the starting point. But we might be asked to lookup an
+  /// identifer within one of them. So, find the real source range of them here.
+  ///
+  /// FIXME: Alter how these are parsed so getSourceRange is enough.
   SourceRange getEffectiveSourceRange(ASTNode) const;
 
 public:

lib/AST/ASTScopeSourceRange.cpp

@@ -460,6 +460,8 @@ class EffectiveEndFinder : public ASTWalker {
 };
 } // namespace
 
+// FIXME: Alter how EditorPlaceHolder and InterpolgatedStringLiteralExpr are
+// parsed so getSourceRange is enough.
 SourceRange ASTScopeImpl::getEffectiveSourceRange(const ASTNode n) const {
   if (const auto *d = n.dyn_cast<Decl *>())
     return d->getSourceRange();