Revision: 2700
Author: [email protected]
Date: Mon Aug 17 07:26:48 2009
Log: Added API for getting object mirrors
Added Debug::GetMirror call to get a mirror for a given object.

Review URL: http://codereview.chromium.org/172045

http://code.google.com/p/v8/source/detail?r=2700

Modified:
  /branches/bleeding_edge/include/v8-debug.h
  /branches/bleeding_edge/src/api.cc
  /branches/bleeding_edge/test/cctest/test-debug.cc

=======================================
--- /branches/bleeding_edge/include/v8-debug.h  Wed Aug  5 00:59:46 2009
+++ /branches/bleeding_edge/include/v8-debug.h  Mon Aug 17 07:26:48 2009
@@ -228,9 +228,14 @@
    *   }
    * \endcode
    */
-  static Handle<Value> Call(v8::Handle<v8::Function> fun,
+  static Local<Value> Call(v8::Handle<v8::Function> fun,
                              Handle<Value> data = Handle<Value>());

+  /**
+   * Returns a mirror object for the given object.
+   */
+  static Local<Value> GetMirror(v8::Handle<v8::Value> obj);
+
   /**
    * Enable the V8 builtin debug agent. The debugger agent will listen on  
the
    * supplied TCP/IP port for remote debugger connection.
=======================================
--- /branches/bleeding_edge/src/api.cc  Mon Aug 17 06:34:41 2009
+++ /branches/bleeding_edge/src/api.cc  Mon Aug 17 07:26:48 2009
@@ -3595,10 +3595,10 @@
  }


-Handle<Value> Debug::Call(v8::Handle<v8::Function> fun,
-                          v8::Handle<v8::Value> data) {
-  if (!i::V8::IsRunning()) return Handle<Value>();
-  ON_BAILOUT("v8::Debug::Call()", return Handle<Value>());
+Local<Value> Debug::Call(v8::Handle<v8::Function> fun,
+                         v8::Handle<v8::Value> data) {
+  if (!i::V8::IsRunning()) return Local<Value>();
+  ON_BAILOUT("v8::Debug::Call()", return Local<Value>());
    ENTER_V8;
    i::Handle<i::Object> result;
    EXCEPTION_PREAMBLE();
@@ -3614,6 +3614,28 @@
    EXCEPTION_BAILOUT_CHECK(Local<Value>());
    return Utils::ToLocal(result);
  }
+
+
+Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) {
+  if (!i::V8::IsRunning()) return Local<Value>();
+  ON_BAILOUT("v8::Debug::GetMirror()", return Local<Value>());
+  ENTER_V8;
+  v8::HandleScope scope;
+  i::Debug::Load();
+  i::Handle<i::JSObject> debug(i::Debug::debug_context()->global());
+  i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("MakeMirror");
+  i::Handle<i::Object> fun_obj = i::GetProperty(debug, name);
+  i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj);
+  v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun);
+  const int kArgc = 1;
+  v8::Handle<v8::Value> argv[kArgc] = { obj };
+  EXCEPTION_PREAMBLE();
+  v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug),
+                                              kArgc,
+                                              argv);
+  EXCEPTION_BAILOUT_CHECK(Local<Value>());
+  return scope.Close(result);
+}


  bool Debug::EnableAgent(const char* name, int port) {
=======================================
--- /branches/bleeding_edge/test/cctest/test-debug.cc   Fri Jul 24 00:39:53  
2009
+++ /branches/bleeding_edge/test/cctest/test-debug.cc   Mon Aug 17 07:26:48  
2009
@@ -5357,3 +5357,20 @@
    v8::Debug::SetMessageHandler2(NULL);
    CheckDebuggerUnloaded();
  }
+
+
+TEST(GetMirror) {
+  v8::HandleScope scope;
+  DebugLocalContext env;
+  v8::Handle<v8::Value> obj =  
v8::Debug::GetMirror(v8::String::New("hodja"));
+  v8::Handle<v8::Function> run_test = v8::Handle<v8::Function>::Cast(
+      v8::Script::New(
+          v8::String::New(
+              "function runTest(mirror) {"
+              "  return mirror.isString() && (mirror.length() == 5);"
+              "}"
+              ""
+              "runTest;"))->Run());
+  v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj);
+  CHECK(result->IsTrue());
+}

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