Added better version information

src/version.h

+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_VERSION_H_
+#define V8_VERSION_H_
+
+namespace v8 { namespace internal {
+
+class Version {
+ public:
+  // Return the various version components.
+  static int GetMajor() { return major_; }
+  static int GetMinor() { return minor_; }
+  static int GetBuild() { return build_; }
+  static int GetPatch() { return patch_; }
+  static bool IsCandidate() { return candidate_; }
+
+  // Calculate the V8 version string.
+  static void GetString(Vector<char> str);
+
+  // Calculate the SONAME for the V8 shared library.
+  static void GetSONAME(Vector<char> str);
+
+ private:
+  static int major_;
+  static int minor_;
+  static int build_;
+  static int patch_;
+  static bool candidate_;
+  static const char* soname_;
+
+  // In test-version.cc.
+  friend void SetVersion(int major, int minor, int build, int patch,
+                         bool candidate, const char* soname);
+};
+
+} }  // namespace v8::internal
+
+#endif  // V8_VERSION_H_