Verify that source string matches serialized code.

src/objects.cc

 // Copyright 2013 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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
@@ skipping 9314 matching lines @@
   if (content.IsTwoByte()) {
     return CompareChars(content.ToUC16Vector().start(), str.start(), slen) == 0;
   }
   for (int i = 0; i < slen; i++) {
     if (Get(i) != str[i]) return false;
   }
   return true;
 }
 
 
-class IteratingStringHasher: public StringHasher {
- public:
-  static inline uint32_t Hash(String* string, uint32_t seed) {
-    IteratingStringHasher hasher(string->length(), seed);
-    // Nothing to do.
-    if (hasher.has_trivial_hash()) return hasher.GetHashField();
-    ConsString* cons_string = String::VisitFlat(&hasher, string);
-    // The string was flat.
-    if (cons_string == NULL) return hasher.GetHashField();
-    // This is a ConsString, iterate across it.
-    ConsStringIteratorOp op(cons_string);
-    int offset;
-    while (NULL != (string = op.Next(&offset))) {
-      String::VisitFlat(&hasher, string, offset);
-    }
-    return hasher.GetHashField();
-  }
-  inline void VisitOneByteString(const uint8_t* chars, int length) {
-    AddCharacters(chars, length);
-  }
-  inline void VisitTwoByteString(const uint16_t* chars, int length) {
-    AddCharacters(chars, length);
-  }
-
- private:
-  inline IteratingStringHasher(int len, uint32_t seed)
-      : StringHasher(len, seed) {
-  }
-  DISALLOW_COPY_AND_ASSIGN(IteratingStringHasher);
-};
-
-
 uint32_t String::ComputeAndSetHash() {
   // Should only be called if hash code has not yet been computed.
   ASSERT(!HasHashCode());
 
   // Store the hash code in the object.
   uint32_t field = IteratingStringHasher::Hash(this, GetHeap()->HashSeed());
   set_hash_field(field);
 
   // Check the hash code is there.
   ASSERT(HasHashCode());
@@ skipping 7570 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal