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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 //
      6 // Top include for all V8 .cc files.
      7 //
      8 
      9 #ifndef V8_V8_H_
     10 #define V8_V8_H_
     11 
     12 #if defined(GOOGLE3)
     13 // Google3 special flag handling.
     14 #if defined(DEBUG) && defined(NDEBUG)
     15 // V8 only uses DEBUG and whenever it is set we are building a debug
     16 // version of V8. We do not use NDEBUG and simply undef it here for
     17 // consistency.
     18 #undef NDEBUG
     19 #endif
     20 #endif  // defined(GOOGLE3)
     21 
     22 // V8 only uses DEBUG, but included external files
     23 // may use NDEBUG - make sure they are consistent.
     24 #if defined(DEBUG) && defined(NDEBUG)
     25 #error both DEBUG and NDEBUG are set
     26 #endif
     27 
     28 // Basic includes
     29 #include "include/v8.h"
     30 #include "include/v8-platform.h"
     31 #include "src/checks.h"  // NOLINT
     32 #include "src/allocation.h"  // NOLINT
     33 #include "src/assert-scope.h"  // NOLINT
     34 #include "src/utils.h"  // NOLINT
     35 #include "src/flags.h"  // NOLINT
     36 #include "src/globals.h"  // NOLINT
     37 
     38 // Objects & heap
     39 #include "src/objects-inl.h"  // NOLINT
     40 #include "src/heap/spaces-inl.h"               // NOLINT
     41 #include "src/heap/heap-inl.h"                 // NOLINT
     42 #include "src/heap/incremental-marking-inl.h"  // NOLINT
     43 #include "src/heap/mark-compact-inl.h"         // NOLINT
     44 #include "src/log-inl.h"  // NOLINT
     45 #include "src/handles-inl.h"  // NOLINT
     46 #include "src/types-inl.h"  // NOLINT
     47 #include "src/zone-inl.h"  // NOLINT
     48 
     49 namespace v8 {
     50 namespace internal {
     51 
     52 class V8 : public AllStatic {
     53  public:
     54   // Global actions.
     55 
     56   static bool Initialize();
     57   static void TearDown();
     58 
     59   // Report process out of memory. Implementation found in api.cc.
     60   static void FatalProcessOutOfMemory(const char* location,
     61                                       bool take_snapshot = false);
     62 
     63   // Allows an entropy source to be provided for use in random number
     64   // generation.
     65   static void SetEntropySource(EntropySource source);
     66   // Support for return-address rewriting profilers.
     67   static void SetReturnAddressLocationResolver(
     68       ReturnAddressLocationResolver resolver);
     69   // Support for entry hooking JITed code.
     70   static void SetFunctionEntryHook(FunctionEntryHook entry_hook);
     71 
     72   static v8::ArrayBuffer::Allocator* ArrayBufferAllocator() {
     73     return array_buffer_allocator_;
     74   }
     75 
     76   static void SetArrayBufferAllocator(v8::ArrayBuffer::Allocator *allocator) {
     77     CHECK_EQ(NULL, array_buffer_allocator_);
     78     array_buffer_allocator_ = allocator;
     79   }
     80 
     81   static void InitializePlatform(v8::Platform* platform);
     82   static void ShutdownPlatform();
     83   static v8::Platform* GetCurrentPlatform();
     84 
     85  private:
     86   static void InitializeOncePerProcessImpl();
     87   static void InitializeOncePerProcess();
     88 
     89   // Allocator for external array buffers.
     90   static v8::ArrayBuffer::Allocator* array_buffer_allocator_;
     91   // v8::Platform to use.
     92   static v8::Platform* platform_;
     93 };
     94 
     95 
     96 // JavaScript defines two kinds of 'nil'.
     97 enum NilValue { kNullValue, kUndefinedValue };
     98 
     99 
    100 } }  // namespace v8::internal
    101 
    102 #endif  // V8_V8_H_
    103