tools/FunctionOverrides.h

   1 /*
   2  * Copyright (C) 2015 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 FunctionOverrides_h
  27 #define FunctionOverrides_h
  28
  29 #include "Options.h"
  30 #include "SourceCode.h"
  31 #include <wtf/HashMap.h>
  32 #include <wtf/text/WTFString.h>
  33
  34 namespace JSC {
  35
  36 class ScriptExecutable;
  37
  38 class FunctionOverrides {
  39 public:
  40     struct OverrideInfo {
  41         SourceCode sourceCode;
  42         unsigned firstLine;
  43         unsigned lineCount;
  44         unsigned startColumn;
  45         unsigned endColumn;
  46         unsigned parametersStartOffset;
  47         unsigned typeProfilingStartOffset;
  48         unsigned typeProfilingEndOffset;
  49     };
  50
  51     static FunctionOverrides& overrides();
  52     FunctionOverrides(const char* functionOverridesFileName);
  53
  54     static bool initializeOverrideFor(const SourceCode& origCode, OverrideInfo& result);
  55
  56 private:
  57     void parseOverridesInFile(const char* fileName);
  58
  59     HashMap<String, String> m_entries;
  60 };
  61
  62 } // namespace JSC
  63
  64 #endif // FunctionOverrides_h