From ca67c5a23dc836ebbf6a00fb261ece7fcccfac71 Mon Sep 17 00:00:00 2001
From: "yangguo@chromium.org"
 <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Thu, 8 Sep 2011 08:54:28 +0000
Subject: [PATCH] Functions in d8 to turn the profiler on/off (enableProfiler()
 and disableProfiler()).

Review URL: http://codereview.chromium.org/7851011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/d8.cc | 18 ++++++++++++++++++
 src/d8.h  |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/d8.cc b/src/d8.cc
index 5c60436..f1297e1 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -210,6 +210,18 @@ Handle<Value> Shell::Write(const Arguments& args) {
 }
 
 
+Handle<Value> Shell::EnableProfiler(const Arguments& args) {
+  V8::ResumeProfiler();
+  return Undefined();
+}
+
+
+Handle<Value> Shell::DisableProfiler(const Arguments& args) {
+  V8::PauseProfiler();
+  return Undefined();
+}
+
+
 Handle<Value> Shell::Read(const Arguments& args) {
   String::Utf8Value file(args[0]);
   if (*file == NULL) {
@@ -656,6 +668,12 @@ Handle<ObjectTemplate> Shell::CreateGlobalTemplate() {
   global_template->Set(String::New("load"), FunctionTemplate::New(Load));
   global_template->Set(String::New("quit"), FunctionTemplate::New(Quit));
   global_template->Set(String::New("version"), FunctionTemplate::New(Version));
+  if (i::FLAG_prof) {
+    global_template->Set(String::New("enableProfiler"),
+                         FunctionTemplate::New(EnableProfiler));
+    global_template->Set(String::New("disableProfiler"),
+                         FunctionTemplate::New(DisableProfiler));
+  }
 
   // Bind the handlers for external arrays.
   global_template->Set(String::New("Int8Array"),
diff --git a/src/d8.h b/src/d8.h
index 28321f5..d0267a7 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -248,6 +248,8 @@ class Shell : public i::AllStatic {
   static Handle<Value> Yield(const Arguments& args);
   static Handle<Value> Quit(const Arguments& args);
   static Handle<Value> Version(const Arguments& args);
+  static Handle<Value> EnableProfiler(const Arguments& args);
+  static Handle<Value> DisableProfiler(const Arguments& args);
   static Handle<Value> Read(const Arguments& args);
   static Handle<Value> ReadLine(const Arguments& args);
   static Handle<Value> Load(const Arguments& args);
-- 
2.7.4