1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 // 29 // Top include for all V8 .cc files. 30 // 31 32 #ifndef V8_V8_H_ 33 #define V8_V8_H_ 34 35 #if defined(GOOGLE3) 36 // Google3 special flag handling. 37 #if defined(DEBUG) && defined(NDEBUG) 38 // If both are defined in Google3, then we are building an optimized v8 with 39 // assertions enabled. 40 #undef NDEBUG 41 #elif !defined(DEBUG) && !defined(NDEBUG) 42 // If neither is defined in Google3, then we are building a debug v8. Mark it 43 // as such. 44 #define DEBUG 45 #endif 46 #endif // defined(GOOGLE3) 47 48 // V8 only uses DEBUG, but included external files 49 // may use NDEBUG - make sure they are consistent. 50 #if defined(DEBUG) && defined(NDEBUG) 51 #error both DEBUG and NDEBUG are set 52 #endif 53 54 // Basic includes 55 #include "../include/v8.h" 56 #include "globals.h" 57 #include "checks.h" 58 #include "allocation.h" 59 #include "utils.h" 60 #include "flags.h" 61 62 // Objects & heap 63 #include "objects.h" 64 #include "spaces.h" 65 #include "heap.h" 66 #include "objects-inl.h" 67 #include "spaces-inl.h" 68 #include "heap-inl.h" 69 #include "log-inl.h" 70 #include "messages.h" 71 72 namespace v8 { 73 namespace internal { 74 75 class Deserializer; 76 77 class V8 : public AllStatic { 78 public: 79 // Global actions. 80 81 // If Initialize is called with des == NULL, the initial state is 82 // created from scratch. If a non-null Deserializer is given, the 83 // initial state is created by reading the deserialized data into an 84 // empty heap. 85 static bool Initialize(Deserializer* des); 86 static void TearDown(); 87 static bool IsRunning() { return is_running_; } 88 // To be dead you have to have lived 89 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } 90 static void SetFatalError(); 91 92 // Report process out of memory. Implementation found in api.cc. 93 static void FatalProcessOutOfMemory(const char* location); 94 95 // Random number generation support. Not cryptographically safe. 96 static uint32_t Random(); 97 static Smi* RandomPositiveSmi(); 98 99 // Idle notification directly from the API. 100 static bool IdleNotification(); 101 102 private: 103 // True if engine is currently running 104 static bool is_running_; 105 // True if V8 has ever been run 106 static bool has_been_setup_; 107 // True if error has been signaled for current engine 108 // (reset to false if engine is restarted) 109 static bool has_fatal_error_; 110 // True if engine has been shut down 111 // (reset if engine is restarted) 112 static bool has_been_disposed_; 113 }; 114 115 } } // namespace v8::internal 116 117 namespace i = v8::internal; 118 119 #endif // V8_V8_H_ 120
