New snapshot framework. Doesn't work on ARM yet (code targets...

src/snapshot-common.cc

Index: src/snapshot-common.cc
===================================================================
--- src/snapshot-common.cc	(revision 3115)
+++ src/snapshot-common.cc	(working copy)
@@ -43,6 +43,13 @@
 }
 
 
+bool Snapshot::Deserialize2(const byte* content, int len) {
+  SnapshotByteSource source(content, len);
+  Deserializer2 deserializer(&source);
+  return V8::Initialize(&deserializer);
+}
+
+
 bool Snapshot::Initialize(const char* snapshot_file) {
   if (snapshot_file) {
     int len;
@@ -58,6 +65,20 @@
 }
 
 
+bool Snapshot::Initialize2(const char* snapshot_file) {
+  if (snapshot_file) {
+    int len;
+    byte* str = ReadBytes(snapshot_file, &len);
+    if (!str) return false;
+    Deserialize2(str, len);
+    DeleteArray(str);
+  } else if (size_ > 0) {
+    Deserialize2(data_, size_);
+  }
+  return true;
+}
+
+
 bool Snapshot::WriteToFile(const char* snapshot_file) {
   Serializer ser;
   ser.Serialize();
@@ -72,4 +93,38 @@
 }
 
 
+class FileByteSink : public SnapshotByteSink {
+ public:
+  explicit FileByteSink(const char* snapshot_file) {
+    fp_ = fopen(snapshot_file, "wb");
+    if (fp_ == NULL) {
+      PrintF("Unable to write to snapshot file \"%s\"\n", snapshot_file);
+      exit(1);
+    }
+  }
+  virtual ~FileByteSink() {
+    if (fp_ != NULL) {
+      fclose(fp_);
+    }
+  }
+  virtual void Put(int byte, const char* description) {
+    if (fp_ != NULL) {
+      fputc(byte, fp_);
+    }
+  }
+
+ private:
+  FILE* fp_;
+};
+
+
+bool Snapshot::WriteToFile2(const char* snapshot_file) {
+  FileByteSink file(snapshot_file);
+  Serializer2 ser(&file);
+  ser.Serialize();
+  return true;
+}
+
+
+
 } }  // namespace v8::internal