Upgrade V8 to 3.7.0

3 files changed, 42 insertions, 11 deletions

diff --git a/deps/v8/include/v8-debug.h b/deps/v8/include/v8-debug.h
index 504cbfed59..9e85dc462c 100644..100755
--- a/deps/v8/include/v8-debug.h
+++ b/deps/v8/include/v8-debug.h
@@ -340,6 +340,11 @@ class EXPORT Debug {
                           bool wait_for_connection = false);
 
   /**
+    * Disable the V8 builtin debug agent. The TCP/IP connection will be closed.
+    */
+  static void DisableAgent();
+
+  /**
    * Makes V8 process all pending debug messages.
    *
    * From V8 point of view all debug messages come asynchronously (e.g. from
diff --git a/deps/v8/include/v8-profiler.h b/deps/v8/include/v8-profiler.h
index 4febcb9596..f67646f54e 100644
--- a/deps/v8/include/v8-profiler.h
+++ b/deps/v8/include/v8-profiler.h
@@ -307,6 +307,12 @@ class V8EXPORT HeapGraphNode {
    * path from the snapshot root to the current node.
    */
   const HeapGraphNode* GetDominatorNode() const;
+
+  /**
+   * Finds and returns a value from the heap corresponding to this node,
+   * if the value is still reachable.
+   */
+  Handle<Value> GetHeapValue() const;
 };
 
 
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h
index 4b7f6e735f..73b7fbe4c4 100644
--- a/deps/v8/include/v8.h
+++ b/deps/v8/include/v8.h
@@ -1171,7 +1171,8 @@ class String : public Primitive {
    * Get the ExternalAsciiStringResource for an external ASCII string.
    * Returns NULL if IsExternalAscii() doesn't return true.
    */
-  V8EXPORT ExternalAsciiStringResource* GetExternalAsciiStringResource() const;
+  V8EXPORT const ExternalAsciiStringResource* GetExternalAsciiStringResource()
+      const;
 
   static inline String* Cast(v8::Value* obj);
 
@@ -2451,24 +2452,42 @@ class V8EXPORT TypeSwitch : public Data {
 
 // --- Extensions ---
 
+class V8EXPORT ExternalAsciiStringResourceImpl
+    : public String::ExternalAsciiStringResource {
+ public:
+  ExternalAsciiStringResourceImpl() : data_(0), length_(0) {}
+  ExternalAsciiStringResourceImpl(const char* data, size_t length)
+      : data_(data), length_(length) {}
+  const char* data() const { return data_; }
+  size_t length() const { return length_; }
+
+ private:
+  const char* data_;
+  size_t length_;
+};
 
 /**
  * Ignore
  */
 class V8EXPORT Extension {  // NOLINT
  public:
+  // Note that the strings passed into this constructor must live as long
+  // as the Extension itself.
   Extension(const char* name,
             const char* source = 0,
             int dep_count = 0,
-            const char** deps = 0);
+            const char** deps = 0,
+            int source_length = -1);
   virtual ~Extension() { }
   virtual v8::Handle<v8::FunctionTemplate>
       GetNativeFunction(v8::Handle<v8::String> name) {
     return v8::Handle<v8::FunctionTemplate>();
   }
 
-  const char* name() { return name_; }
-  const char* source() { return source_; }
+  const char* name() const { return name_; }
+  size_t source_length() const { return source_length_; }
+  const String::ExternalAsciiStringResource* source() const {
+    return &source_; }
   int dependency_count() { return dep_count_; }
   const char** dependencies() { return deps_; }
   void set_auto_enable(bool value) { auto_enable_ = value; }
@@ -2476,7 +2495,8 @@ class V8EXPORT Extension {  // NOLINT
 
  private:
   const char* name_;
-  const char* source_;
+  size_t source_length_;  // expected to initialize before source_
+  ExternalAsciiStringResourceImpl source_;
   int dep_count_;
   const char** deps_;
   bool auto_enable_;
@@ -3498,9 +3518,9 @@ class V8EXPORT Context {
  *
  * v8::Locker is a scoped lock object. While it's
  * active (i.e. between its construction and destruction) the current thread is
- * allowed to use the locked isolate. V8 guarantees that an isolate can be locked
- * by at most one thread at any time. In other words, the scope of a v8::Locker is
- * a critical section.
+ * allowed to use the locked isolate. V8 guarantees that an isolate can be
+ * locked by at most one thread at any time. In other words, the scope of a
+ * v8::Locker is a critical section.
  *
  * Sample usage:
 * \code
@@ -3602,8 +3622,8 @@ class V8EXPORT Locker {
   static void StopPreemption();
 
   /**
-   * Returns whether or not the locker for a given isolate, or default isolate if NULL is given,
-   * is locked by the current thread.
+   * Returns whether or not the locker for a given isolate, or default isolate
+   * if NULL is given, is locked by the current thread.
    */
   static bool IsLocked(Isolate* isolate = NULL);
 
@@ -3769,7 +3789,7 @@ class Internals {
   static const int kFullStringRepresentationMask = 0x07;
   static const int kExternalTwoByteRepresentationTag = 0x02;
 
-  static const int kJSObjectType = 0xa3;
+  static const int kJSObjectType = 0xa6;
   static const int kFirstNonstringType = 0x80;
   static const int kForeignType = 0x85;