Add StackOverflowError and expose error type to api.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index dd8f2685bc37115638f5332ddbefd42a79c16cea..34abe6b69c93ede2fff1a1f7c540bd78cc978a53 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -3812,10 +3812,33 @@ typedef void (*MessageCallback)(Handle<Message> message, Handle<Value> error);
  */
 class V8_EXPORT Exception {
  public:
-  static Local<Value> RangeError(Handle<String> message);
+  enum ErrorType {
+    kNoError,
+    // These errors are spec compliant.
+    kError,
+    kTypeError,
+    kRangeError,
+    kSyntaxError,
+    kReferenceError,
+    kURIError,
+    kEvalError,
+    // This is v8 specific, but is a native error type.
+    kStackOverflowError
+  };
+
+  /**
+   * Returns the type of error this object is.
+   * If it is not a native error, kNoError is returned.
+   */
+  static ErrorType NativeErrorType(Local<Value> value);
+
+  static Local<Value> StackOverflowError(Handle<String> message);
   static Local<Value> ReferenceError(Handle<String> message);
   static Local<Value> SyntaxError(Handle<String> message);
+  static Local<Value> RangeError(Handle<String> message);
   static Local<Value> TypeError(Handle<String> message);
+  static Local<Value> EvalError(Handle<String> message);
+  static Local<Value> URIError(Handle<String> message);
   static Local<Value> Error(Handle<String> message);
 };
 
@@ -5414,7 +5437,7 @@ class Internals {
   static const int kNullValueRootIndex = 7;
   static const int kTrueValueRootIndex = 8;
   static const int kFalseValueRootIndex = 9;
-  static const int kEmptyStringRootIndex = 141;
+  static const int kEmptyStringRootIndex = 142;
 
   static const int kNodeClassIdOffset = 1 * kApiPointerSize;
   static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;