Implement date library functions in C++.

src/isolate.h

 // Copyright 2012 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
@@ skipping 18 matching lines @@
 #define V8_ISOLATE_H_
 
 #include "../include/v8-debug.h"
 #include "allocation.h"
 #include "apiutils.h"
 #include "atomicops.h"
 #include "builtins.h"
 #include "contexts.h"
 #include "execution.h"
 #include "frames.h"
+#include "date.h"
 #include "global-handles.h"
 #include "handles.h"
 #include "hashmap.h"
 #include "heap.h"
 #include "regexp-stack.h"
 #include "runtime-profiler.h"
 #include "runtime.h"
 #include "zone.h"
 
 namespace v8 {
@@ skipping 961 matching lines @@
     return context_exit_happened_;
   }
   void set_context_exit_happened(bool context_exit_happened) {
     context_exit_happened_ = context_exit_happened;
   }
 
   double time_millis_since_init() {
     return OS::TimeCurrentMillis() - time_millis_at_init_;
   }
 
+  DateCache* date_cache() {
+    return date_cache_;
+  }
+
+  void set_date_cache(DateCache* date_cache) {
+    if (date_cache != date_cache_) {
+      delete date_cache_;
+    }
+    date_cache_ = date_cache;
+  }
+
  private:
   Isolate();
 
   // The per-process lock should be acquired before the ThreadDataTable is
   // modified.
   class ThreadDataTable {
    public:
     ThreadDataTable();
     ~ThreadDataTable();
 
@@ skipping 147 matching lines @@
   bool has_installed_extensions_;
   StringTracker* string_tracker_;
   unibrow::Mapping<unibrow::Ecma262UnCanonicalize> jsregexp_uncanonicalize_;
   unibrow::Mapping<unibrow::CanonicalizationRange> jsregexp_canonrange_;
   StringInputBuffer objects_string_compare_buffer_a_;
   StringInputBuffer objects_string_compare_buffer_b_;
   StaticResource<StringInputBuffer> objects_string_input_buffer_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize>
       regexp_macro_assembler_canonicalize_;
   RegExpStack* regexp_stack_;
+
+  DateCache* date_cache_;
+
   unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_;
   void* embedder_data_;
 
   // The garbage collector should be a little more aggressive when it knows
   // that a context was recently exited.
   bool context_exit_happened_;
 
   // Time stamp at initialization.
   double time_millis_at_init_;
 
@@ skipping 188 matching lines @@
 
 // Mark the global context with out of memory.
 inline void Context::mark_out_of_memory() {
   global_context()->set_out_of_memory(HEAP->true_value());
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_