Optimize string interpolation by running it at compile time if all inputs are constant. This is don…

runtime/vm/flow_graph_builder.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/code_descriptors.h"
@@ skipping 2133 matching lines @@
       type_arguments = BuildNullValue();
     }
     PushArgumentInstr* push_type_arguments = PushArgument(type_arguments);
     arguments->Add(push_type_arguments);
     ReturnDefinition(
         new CreateClosureInstr(node->function(), arguments, node->token_pos()));
   }
 }
 
 
-void EffectGraphVisitor::TranslateArgumentList(
-    const ArgumentListNode& node,
-    ZoneGrowableArray<Value*>* values) {
-  for (intptr_t i = 0; i < node.length(); ++i) {
-    ValueGraphVisitor for_argument(owner(), temp_index());
-    node.NodeAt(i)->Visit(&for_argument);
-    Append(for_argument);
-    values->Add(for_argument.value());
-  }
-}
-
-
 void EffectGraphVisitor::BuildPushArguments(
     const ArgumentListNode& node,
     ZoneGrowableArray<PushArgumentInstr*>* values) {
   for (intptr_t i = 0; i < node.length(); ++i) {
     ValueGraphVisitor for_argument(owner(), temp_index());
     node.NodeAt(i)->Visit(&for_argument);
     Append(for_argument);
     PushArgumentInstr* push_arg = PushArgument(for_argument.value());
     values->Add(push_arg);
   }
@@ skipping 1644 matching lines @@
   intptr_t len = OS::SNPrint(NULL, 0, kFormat, function_name, reason) + 1;
   char* chars = Isolate::Current()->current_zone()->Alloc<char>(len);
   OS::SNPrint(chars, len, kFormat, function_name, reason);
   const Error& error = Error::Handle(
       LanguageError::New(String::Handle(String::New(chars))));
   Isolate::Current()->long_jump_base()->Jump(1, error);
 }
 
 
 }  // namespace dart