Add support for initialization block assignments in the toplevel code...

src/parser.cc

Index: src/parser.cc
===================================================================
--- src/parser.cc	(revision 3194)
+++ src/parser.cc	(working copy)
@@ -1339,7 +1339,7 @@
 
 
 // An InitializationBlockFinder finds and marks sequences of statements of the
-// form x.y.z.a = ...; x.y.z.b = ...; etc.
+// form expr.a = ...; expr.b = ...; etc.
 class InitializationBlockFinder : public ParserFinder {
  public:
   InitializationBlockFinder()
@@ -1367,7 +1367,7 @@
  private:
   // Returns true if the expressions appear to denote the same object.
   // In the context of initialization blocks, we only consider expressions
-  // of the form 'x.y.z'.
+  // of the form 'expr.x' or expr["x"].
   static bool SameObject(Expression* e1, Expression* e2) {
     VariableProxy* v1 = e1->AsVariableProxy();
     VariableProxy* v2 = e2->AsVariableProxy();