Cleanups, refactoring in anticipation of new string interpolation nodes. Removed unnecessary code.

runtime/vm/parser.cc

Index: runtime/vm/parser.cc
===================================================================
--- runtime/vm/parser.cc	(revision 28616)
+++ runtime/vm/parser.cc	(working copy)
@@ -1716,27 +1716,6 @@
 }
 
 
-// Lookup class in the core lib which also contains various VM
-// helper methods and classes. Allow look up of private classes.
-static RawClass* LookupCoreClass(const String& class_name) {
-  const Library& core_lib = Library::Handle(Library::CoreLibrary());
-  String& name = String::Handle(class_name.raw());
-  if (class_name.CharAt(0) == Scanner::kPrivateIdentifierStart) {
-    // Private identifiers are mangled on a per script basis.
-    name = String::Concat(name, String::Handle(core_lib.private_key()));
-    name = Symbols::New(name);
-  }
-  return core_lib.LookupClass(name);
-}
-
-
-static const String& PrivateCoreLibName(const String& str) {
-  const Library& core_lib = Library::Handle(Library::CoreLibrary());
-  const String& private_name = String::ZoneHandle(core_lib.PrivateName(str));
-  return private_name;
-}
-
-
 StaticCallNode* Parser::BuildInvocationMirrorAllocation(
     intptr_t call_pos,
     const String& function_name,
@@ -1774,11 +1753,11 @@
   arguments->Add(args_array);
   // Lookup the static InvocationMirror._allocateInvocationMirror method.
   const Class& mirror_class =
-      Class::Handle(LookupCoreClass(Symbols::InvocationMirror()));
+      Class::Handle(Library::LookupCoreClass(Symbols::InvocationMirror()));
   ASSERT(!mirror_class.IsNull());
   const Function& allocation_function = Function::ZoneHandle(
       mirror_class.LookupStaticFunction(
-          PrivateCoreLibName(Symbols::AllocateInvocationMirror())));
+          Library::PrivateCoreLibName(Symbols::AllocateInvocationMirror())));
   ASSERT(!allocation_function.IsNull());
   return new StaticCallNode(call_pos, allocation_function, arguments);
 }
@@ -6191,7 +6170,7 @@
             TokenPos(), Integer::ZoneHandle(Integer::New(TokenPos()))));
         current_block_->statements->Add(
             MakeStaticCall(Symbols::FallThroughError(),
-                           PrivateCoreLibName(Symbols::ThrowNew()),
+                           Library::PrivateCoreLibName(Symbols::ThrowNew()),
                            arguments));
       }
       break;
@@ -6509,7 +6488,7 @@
 AstNode* Parser::MakeStaticCall(const String& cls_name,
                                 const String& func_name,
                                 ArgumentListNode* arguments) {
-  const Class& cls = Class::Handle(LookupCoreClass(cls_name));
+  const Class& cls = Class::Handle(Library::LookupCoreClass(cls_name));
   ASSERT(!cls.IsNull());
   const Function& func = Function::ZoneHandle(
       Resolver::ResolveStatic(cls,
@@ -6529,7 +6508,7 @@
   arguments->Add(new LiteralNode(end,
       Integer::ZoneHandle(Integer::New(end))));
   return MakeStaticCall(Symbols::AssertionError(),
-                        PrivateCoreLibName(Symbols::ThrowNew()),
+                        Library::PrivateCoreLibName(Symbols::ThrowNew()),
                         arguments);
 }
 
@@ -6822,7 +6801,7 @@
           new InstanceCallNode(
               catch_pos,
               new LoadLocalNode(catch_pos, trace),
-              PrivateCoreLibName(Symbols::_setupFullStackTrace()),
+              Library::PrivateCoreLibName(Symbols::_setupFullStackTrace()),
               no_args));
     }
 
@@ -7390,7 +7369,7 @@
   arguments->Add(new LiteralNode(type_pos, String::ZoneHandle(
       Symbols::New(error.ToErrorCString()))));
   return MakeStaticCall(Symbols::TypeError(),
-                        PrivateCoreLibName(Symbols::ThrowNew()),
+                        Library::PrivateCoreLibName(Symbols::ThrowNew()),
                         arguments);
 }
 
@@ -7469,7 +7448,7 @@
   arguments->Add(new LiteralNode(call_pos, array));
 
   return MakeStaticCall(Symbols::NoSuchMethodError(),
-                        PrivateCoreLibName(Symbols::ThrowNew()),
+                        Library::PrivateCoreLibName(Symbols::ThrowNew()),
                         arguments);
 }
 
@@ -9354,11 +9333,11 @@
   } else {
     // Factory call at runtime.
     const Class& factory_class =
-        Class::Handle(LookupCoreClass(Symbols::List()));
+        Class::Handle(Library::LookupCoreClass(Symbols::List()));
     ASSERT(!factory_class.IsNull());
     const Function& factory_method = Function::ZoneHandle(
         factory_class.LookupFactory(
-            PrivateCoreLibName(Symbols::ListLiteralFactory())));
+            Library::PrivateCoreLibName(Symbols::ListLiteralFactory())));
     ASSERT(!factory_method.IsNull());
     if (!list_type_arguments.IsNull() &&
         !list_type_arguments.IsInstantiated() &&
@@ -9597,7 +9576,7 @@
 
     // Construct the map object.
     const Class& immutable_map_class =
-        Class::Handle(LookupCoreClass(Symbols::ImmutableMap()));
+        Class::Handle(Library::LookupCoreClass(Symbols::ImmutableMap()));
     ASSERT(!immutable_map_class.IsNull());
     // If the immutable map class extends other parameterized classes, we need
     // to adjust the type argument vector. This is currently not the case.
@@ -9606,7 +9585,7 @@
     constr_args->Add(new LiteralNode(literal_pos, key_value_array));
     const Function& map_constr =
         Function::ZoneHandle(immutable_map_class.LookupConstructor(
-            PrivateCoreLibName(Symbols::ImmutableMapConstructor())));
+            Library::PrivateCoreLibName(Symbols::ImmutableMapConstructor())));
     ASSERT(!map_constr.IsNull());
     const Object& constructor_result = Object::Handle(
         EvaluateConstConstructorCall(immutable_map_class,
@@ -9623,11 +9602,11 @@
   } else {
     // Factory call at runtime.
     const Class& factory_class =
-        Class::Handle(LookupCoreClass(Symbols::Map()));
+        Class::Handle(Library::LookupCoreClass(Symbols::Map()));
     ASSERT(!factory_class.IsNull());
     const Function& factory_method = Function::ZoneHandle(
         factory_class.LookupFactory(
-            PrivateCoreLibName(Symbols::MapLiteralFactory())));
+            Library::PrivateCoreLibName(Symbols::MapLiteralFactory())));
     ASSERT(!factory_method.IsNull());
     if (!map_type_arguments.IsNull() &&
         !map_type_arguments.IsInstantiated() &&
@@ -9904,7 +9883,7 @@
     arguments->Add(new LiteralNode(
         TokenPos(), String::ZoneHandle(type_class_name.raw())));
     return MakeStaticCall(Symbols::AbstractClassInstantiationError(),
-                          PrivateCoreLibName(Symbols::ThrowNew()),
+                          Library::PrivateCoreLibName(Symbols::ThrowNew()),
                           arguments);
   }
   String& error_message = String::Handle();
@@ -10003,11 +9982,12 @@
 
 
 String& Parser::Interpolate(const GrowableArray<AstNode*>& values) {
-  const Class& cls = Class::Handle(LookupCoreClass(Symbols::StringBase()));
+  const Class& cls =
+      Class::Handle(Library::LookupCoreClass(Symbols::StringBase()));
   ASSERT(!cls.IsNull());
   const Function& func =
       Function::Handle(cls.LookupStaticFunction(
-          PrivateCoreLibName(Symbols::Interpolate())));
+          Library::PrivateCoreLibName(Symbols::Interpolate())));
   ASSERT(!func.IsNull());
 
   // Build the array of literal values to interpolate.
@@ -10104,9 +10084,10 @@
         Type::ZoneHandle(Type::ArrayType()),
         values_list);
     interpolate_arg->Add(values);
-    primary = MakeStaticCall(Symbols::StringBase(),
-                             PrivateCoreLibName(Symbols::Interpolate()),
-                             interpolate_arg);
+    primary =
+        MakeStaticCall(Symbols::StringBase(),
+                       Library::PrivateCoreLibName(Symbols::Interpolate()),
+                       interpolate_arg);
   }
   return primary;
 }