Create frequently used symbols in the vm isolate

vm/unit_test.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 <stdio.h>
 
 #include "vm/unit_test.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
 
 #include "vm/assembler.h"
 #include "vm/ast_printer.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/disassembler.h"
 #include "vm/parser.h"
+#include "vm/symbols.h"
 #include "vm/virtual_memory.h"
 
 
 namespace dart {
 
 DECLARE_FLAG(bool, disassemble);
 
 
 TestCaseBase* TestCaseBase::first_ = NULL;
 TestCaseBase* TestCaseBase::tail_ = NULL;
@@ skipping 104 matching lines @@
                                       Dart_Handle library,
                                       Dart_Handle url) {
   if (tag == kCanonicalizeUrl) {
     return url;
   }
   return Api::Success(Isolate::Current());
 }
 
 
 uword AssemblerTest::Assemble() {
-  const String& function_name = String::ZoneHandle(String::NewSymbol(name_));
+  const String& function_name = String::ZoneHandle(Symbols::New(name_));
   Function& function = Function::ZoneHandle(
       Function::New(function_name, RawFunction::kFunction, true, false, 0));
   const Code& code = Code::Handle(Code::FinalizeCode(function, assembler_));
   if (FLAG_disassemble) {
     OS::Print("Code for test '%s' {\n", name_);
     const Instructions& instructions =
         Instructions::Handle(code.instructions());
     uword start = instructions.EntryPoint();
     Disassembler::Disassemble(start, start + assembler_->CodeSize());
     OS::Print("}\n");
   }
   const Instructions& instructions = Instructions::Handle(code.instructions());
   return instructions.EntryPoint();
 }
 
 
 CodeGenTest::CodeGenTest(const char* name)
   : function_(Function::ZoneHandle()),
     node_sequence_(new SequenceNode(Scanner::kDummyTokenIndex,
                                     new LocalScope(NULL, 0, 0))),
     default_parameter_values_(Array::ZoneHandle()) {
   ASSERT(name != NULL);
-  const String& function_name = String::ZoneHandle(String::NewSymbol(name));
+  const String& function_name = String::ZoneHandle(Symbols::New(name));
   function_ = Function::New(
       function_name, RawFunction::kFunction, true, false, 0);
   function_.set_result_type(Type::Handle(Type::DynamicType()));
   // Add function to a class and that class to the class dictionary so that
   // frame walking can be used.
   Class& cls = Class::ZoneHandle();
   const Script& script = Script::Handle();
   cls = Class::New(function_name, script, Scanner::kDummyTokenIndex);
   const Array& functions = Array::Handle(Array::New(1));
   functions.SetAt(0, function_);
@@ skipping 16 matching lines @@
       Error::Handle(Compiler::CompileParsedFunction(parsed_function));
   EXPECT(error.IsNull());
 }
 
 
 LocalVariable* CodeGenTest::CreateTempConstVariable(const char* name_part) {
   char name[64];
   OS::SNPrint(name, 64, ":%s", name_part);
   LocalVariable* temp =
       new LocalVariable(0,
-                        String::ZoneHandle(String::NewSymbol(name)),
+                        String::ZoneHandle(Symbols::New(name)),
                         Type::ZoneHandle(Type::DynamicType()));
   temp->set_is_final();
   node_sequence_->scope()->AddVariable(temp);
   return temp;
 }
 
 
 bool CompilerTest::TestCompileScript(const Library& library,
                                      const Script& script) {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
   const Error& error = Error::Handle(Compiler::Compile(library, script));
   return error.IsNull();
 }
 
 
 bool CompilerTest::TestCompileFunction(const Function& function) {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
   ASSERT(ClassFinalizer::AllClassesFinalized());
   const Error& error = Error::Handle(Compiler::CompileFunction(function));
   return error.IsNull();
 }
 
 }  // namespace dart