Push stacktrace and die if the receiver is of unknown type.

Review URL: https://chromiumcodereview.appspot.com/10917086

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12443 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/isolate.cc b/src/isolate.cc
index 7d31029..75e15a4 100644 (file)
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -535,6 +535,24 @@ Handle<String> Isolate::StackTraceString() {
 }
 
 
+void Isolate::PushStackTraceAndDie(unsigned int magic,
+                                   Object* object,
+                                   Map* map,
+                                   unsigned int magic2) {
+  const int kMaxStackTraceSize = 8192;
+  Handle<String> trace = StackTraceString();
+  char buffer[kMaxStackTraceSize];
+  int length = Min(kMaxStackTraceSize - 1, trace->length());
+  String::WriteToFlat(*trace, buffer, 0, length);
+  buffer[length] = '\0';
+  OS::PrintError("Stacktrace (%x-%x) %p %p: %s\n",
+                 magic, magic2,
+                 static_cast<void*>(object), static_cast<void*>(map),
+                 buffer);
+  OS::Abort();
+}
+
+
 void Isolate::CaptureAndSetCurrentStackTraceFor(Handle<JSObject> error_object) {
   if (capture_stack_trace_for_uncaught_exceptions_) {
     // Capture stack trace for a detailed exception message.

diff --git a/src/isolate.h b/src/isolate.h
index 93b9fb3..1d7bc6f 100644 (file)
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -707,6 +707,10 @@ class Isolate {
   void PrintStack(StringStream* accumulator);
   void PrintStack();
   Handle<String> StackTraceString();
+  NO_INLINE(void PushStackTraceAndDie(unsigned int magic,
+                                      Object* object,
+                                      Map* map,
+                                      unsigned int magic2));
   Handle<JSArray> CaptureCurrentStackTrace(
       int frame_limit,
       StackTrace::StackTraceOptions options);

diff --git a/src/objects.cc b/src/objects.cc
index 09f6947..e3c40fd 100644 (file)
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -141,6 +141,9 @@ void Object::Lookup(String* name, LookupResult* result) {
       holder = native_context->string_function()->instance_prototype();
     } else if (IsBoolean()) {
       holder = native_context->boolean_function()->instance_prototype();
+    } else {
+      Isolate::Current()->PushStackTraceAndDie(
+          0xDEAD0000, this, JSReceiver::cast(this)->map(), 0xDEAD0001);
     }
   }
   ASSERT(holder != NULL);  // Cannot handle null or undefined.