JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tools / FunctionOverrides.h

/*
 * Copyright (C) 2015 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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 with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#ifndef FunctionOverrides_h
#define FunctionOverrides_h

#include "Options.h"
#include "SourceCode.h"
#include <wtf/HashMap.h>
#include <wtf/text/WTFString.h>

namespace JSC {

class ScriptExecutable;

class FunctionOverrides {
public:
    struct OverrideInfo {
        SourceCode sourceCode;
        unsigned firstLine;
        unsigned lineCount;
        unsigned startColumn;
        unsigned endColumn;
        unsigned parametersStartOffset;
        unsigned typeProfilingStartOffset;
        unsigned typeProfilingEndOffset;
    };

    static FunctionOverrides& overrides();
    FunctionOverrides(const char* functionOverridesFileName);

    static bool initializeOverrideFor(const SourceCode& origCode, OverrideInfo& result);

private:
    void parseOverridesInFile(const char* fileName);

    HashMap<String, String> m_entries;
};

} // namespace JSC

#endif // FunctionOverrides_h