added the --test option for d8 into tools/test.py

TEST= tools/test.py --shell d8 -v

Review URL: http://codereview.chromium.org/7272028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/d8.cc

@@ -599,10 +599,36 @@ Handle<ObjectTemplate> Shell::CreateGlobalTemplate() {
   AddOSMethods(os_templ);
   global_template->Set(String::New("os"), os_templ);
 
+  Handle<ObjectTemplate> counter_templ = ObjectTemplate::New();
+  counter_templ->Set(String::New("get"),
+                     FunctionTemplate::New(CounterGetValue));
+  global_template->Set(String::New("counter"), counter_templ);
+
   return global_template;
 }
 
 
+Handle<Value> Shell::CounterGetValue(const Arguments& args){
+  if (args.Length() != 1) {
+    return ThrowException(String::New("get() takes one argument"));
+  }
+  if (args[0]->IsString()) {
+    String::AsciiValue name(args[0]);
+    Counter* counter = counter_map_->Lookup(*name);
+    if (!counter) {
+      String::AsciiValue prefixed(String::Concat(String::New("c:"),
+                                                 String::New(*name)));
+      counter = counter_map_->Lookup(*prefixed);
+      if (!counter) {
+        return ThrowException(String::New("invalid counter name"));
+      }
+    }
+    return Handle<Integer>::Cast(Integer::New(counter->count()));
+  }
+  return ThrowException(String::New("counter name must be a string"));
+}
+
+
 void Shell::Initialize(bool test_shell) {
 #ifdef COMPRESS_STARTUP_DATA_BZ2
   BZip2Decompressor startup_data_decompressor;

src/d8.h

@@ -128,6 +128,7 @@ class Shell: public i::AllStatic {
                                size_t buckets);
   static void AddHistogramSample(void* histogram, int sample);
   static void MapCounters(const char* name);
+  static Handle<Value> CounterGetValue(const Arguments& args);
   static Handle<String> ReadFile(const char* name);
   static void Initialize(bool test_shell);
   static void RenewEvaluationContext();

tools/test.py

@@ -1272,6 +1272,11 @@ def ProcessOptions(options):
       options.special_command += " --crankshaft"
     else:
       options.special_command = "@--crankshaft"
+  if options.shell == "d8":
+    if options.special_command:
+      options.special_command += " --test"
+    else:
+      options.special_command = "@--test"
   if options.noprof:
     options.scons_flags.append("prof=off")
     options.scons_flags.append("profilingsupport=off")