Implement more of allocation code using type arguments. Type argument extraction for non-factories …

runtime/vm/flow_graph_builder.h

Index: runtime/vm/flow_graph_builder.h
===================================================================
--- runtime/vm/flow_graph_builder.h	(revision 5437)
+++ runtime/vm/flow_graph_builder.h	(working copy)
@@ -117,6 +117,9 @@
   void BuildTypeArguments(ConstructorCallNode* node,
                           ZoneGrowableArray<Value*>* args);
 
+  Value* GenerateInstantiatorTypeArguments(intptr_t token_index,

[regis, 2012/03/14 18:30:04]

GenerateInstantiatorTypeArguments and BuildTypeArguments above are missing
comments.

[srdjan, 2012/03/14 18:48:34]

Added comments.

  // Creates type arguments (one or two values in 'args') used in preparation
  // of a constructor or factory call.
  // For factory call instantiates and returns type argument vector in 'args'.
  // For constructor call returns type arguments and type arguments of the
  // instantiator.
  // May be called only if allocating an object of a parameterized class.
  void BuildTypeArguments(ConstructorCallNode* node,
                          ZoneGrowableArray<Value*>* args);

  // Returns the value of the type arguments of the instantiator.
  Value* GenerateInstantiatorTypeArguments(intptr_t token_index,
                                           intptr_t type_arguments);

+                                           intptr_t type_arguments);
+
   void CloseFragment() { exit_ = NULL; }
   intptr_t AllocateTempIndex() { return temp_index_++; }