llint/LLIntData.h

   1 /*
   2  * Copyright (C) 2011 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef LLIntData_h
  27 #define LLIntData_h
  28
  29 #include "Opcode.h"
  30 #include <wtf/Platform.h>
  31
  32 namespace JSC {
  33
  34 class JSGlobalData;
  35 struct Instruction;
  36
  37 namespace LLInt {
  38
  39 #if ENABLE(LLINT)
  40 class Data {
  41 public:
  42     Data();
  43     ~Data();
  44
  45     void performAssertions(JSGlobalData&);
  46
  47     Instruction* exceptionInstructions()
  48     {
  49         return m_exceptionInstructions;
  50     }
  51
  52     Opcode* opcodeMap()
  53     {
  54         return m_opcodeMap;
  55     }
  56 private:
  57     Instruction* m_exceptionInstructions;
  58     Opcode* m_opcodeMap;
  59 };
  60 #else // ENABLE(LLINT)
  61
  62 #if COMPILER(CLANG)
  63 #pragma clang diagnostic push
  64 #pragma clang diagnostic ignored "-Wmissing-noreturn"
  65 #endif
  66
  67 class Data {
  68 public:
  69     void performAssertions(JSGlobalData&) { }
  70
  71     Instruction* exceptionInstructions()
  72     {
  73         ASSERT_NOT_REACHED();
  74         return 0;
  75     }
  76
  77     Opcode* opcodeMap()
  78     {
  79         ASSERT_NOT_REACHED();
  80         return 0;
  81     }
  82 };
  83
  84 #if COMPILER(CLANG)
  85 #pragma clang diagnostic pop
  86 #endif
  87
  88 #endif // ENABLE(LLINT)
  89
  90 } } // namespace JSC::LLInt
  91
  92 #endif // LLIntData_h
  93