Handle "//# sourceURL" comments in the Parser instead of the JS.

src/vector.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_VECTOR_H_
 #define V8_VECTOR_H_
 
 #include <string.h>
 #include <algorithm>
 
@@ skipping 82 matching lines @@
 
   // Factory method for creating empty vectors.
   static Vector<T> empty() { return Vector<T>(NULL, 0); }
 
   template<typename S>
   static Vector<T> cast(Vector<S> input) {
     return Vector<T>(reinterpret_cast<T*>(input.start()),
                      input.length() * sizeof(S) / sizeof(T));
   }
 
+  bool operator==(const Vector<T>& other) {

[aandrey, 2014/07/01 09:49:11]

bool operator==() const {

[marja, 2014/07/01 11:33:58]

Done.

+    if (length_ != other.length_) return false;

[aandrey, 2014/07/01 09:49:11]

if (this == &other) return true; ?

[marja, 2014/07/01 11:33:58]

I think this is even better:
if (start_ == other.start_) return true;

(Two vectors can point to the other same data. This check is inserted after the
length check, so here we know that the lengths are equal.)

+    for (int i = 0; i < length_; ++i) {
+      if (start_[i] != other.start_[i]) {
+        return false;
+      }
+    }
+    return true;
+  }
+
  protected:
   void set_start(T* start) { start_ = start; }
 
  private:
   T* start_;
   int length_;
 
   class RawComparer {
    public:
     explicit RawComparer(int (*cmp)(const T*, const T*)) : cmp_(cmp) {}
@@ skipping 49 matching lines @@
 
 inline Vector<char> MutableCStrVector(char* data, int max) {
   int length = StrLength(data);
   return Vector<char>(data, (length < max) ? length : max);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_VECTOR_H_