1 files changed, 63 insertions, 0 deletions
diff --git a/src/v8/0011-QtScript-V8-Add-new-v8-api-to-check-if-a-value-is-an.patch b/src/v8/0011-QtScript-V8-Add-new-v8-api-to-check-if-a-value-is-an.patch
new file mode 100644
index 0000000000..0558ce19f6
--- /dev/null
+++ b/src/v8/0011-QtScript-V8-Add-new-v8-api-to-check-if-a-value-is-an.patch
@@ -0,0 +1,63 @@
+From 859c452847317efe1131e337fcd51514de616ea2 Mon Sep 17 00:00:00 2001
+From: Jedrzej Nowacki <jedrzej.nowacki@nokia.com>
+Date: Tue, 7 Dec 2010 11:56:42 +0100
+Subject: [PATCH] QtScript/V8: Add new v8 api to check if a value is an error.
+
+New function v8::Value::IsError was created.
+
+This API is experimental and added only for the purposes of our
+research.
+---
+ include/v8.h |    5 +++++
+ src/api.cc   |    6 ++++++
+ src/heap.h   |    1 +
+ 3 files changed, 12 insertions(+), 0 deletions(-)
+
+diff --git a/include/v8.h b/include/v8.h
+index 303cb7a..f992cb2 100644
+--- a/include/v8.h
++++ b/include/v8.h
+@@ -937,6 +937,11 @@ class Value : public Data {
+    */
+   V8EXPORT bool IsRegExp() const;
+ 
++  /**
++   * Returns true if this value is an Error.
++   */
++  V8EXPORT bool IsError() const;
++
+   V8EXPORT Local<Boolean> ToBoolean() const;
+   V8EXPORT Local<Number> ToNumber() const;
+   V8EXPORT Local<String> ToString() const;
+diff --git a/src/api.cc b/src/api.cc
+index fd4a76b..5ada246 100644
+--- a/src/api.cc
++++ b/src/api.cc
+@@ -2108,6 +2108,12 @@ bool Value::IsRegExp() const {
+   return obj->IsJSRegExp();
+ }
+ 
++bool Value::IsError() const {
++  if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsError()")) return false;
++  i::Handle<i::Object> obj = Utils::OpenHandle(this);
++  return obj->HasSpecificClassOf(HEAP->Error_symbol());
++}
++
+ 
+ Local<String> Value::ToString() const {
+   i::Handle<i::Object> obj = Utils::OpenHandle(this);
+diff --git a/src/heap.h b/src/heap.h
+index 8cbf378..db90bb9 100644
+--- a/src/heap.h
++++ b/src/heap.h
+@@ -169,6 +169,7 @@ inline Heap* _inline_get_heap_();
+   V(string_symbol, "string")                                             \
+   V(String_symbol, "String")                                             \
+   V(Date_symbol, "Date")                                                 \
++  V(Error_symbol, "Error")                                               \
+   V(this_symbol, "this")                                                 \
+   V(to_string_symbol, "toString")                                        \
+   V(char_at_symbol, "CharAt")                                            \
+-- 
+1.7.4.15.g7811d
+