WebKit/Source/JavaScriptCore/tools/FunctionOverrides.h at main · WebKit/WebKit · GitHub

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* 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

* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#pragma once

#include "SourceCode.h"

#include <wtf/HashMap.h>

#include <wtf/Lock.h>

#include <wtf/text/WTFString.h>

namespace JSC {

class ScriptExecutable;

struct FunctionOverrideInfo {

SourceCode sourceCode;

unsigned firstLine;

unsigned lineCount;

unsigned startColumn;

unsigned endColumn;

unsigned parametersStartOffset;

unsigned functionStart;

unsigned functionEnd;

};

class FunctionOverrides {

public:

using OverrideInfo = FunctionOverrideInfo;

static FunctionOverrides& overrides();

FunctionOverrides(const char* functionOverridesFileName);

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

JS_EXPORT_PRIVATE static void reinstallOverrides();

private:

void parseOverridesInFile(const char* fileName) WTF_REQUIRES_LOCK(m_lock);

void clear() WTF_REQUIRES_LOCK(m_lock) { m_entries.clear(); }

UncheckedKeyHashMap<String, String> m_entries WTF_GUARDED_BY_LOCK(m_lock);

Lock m_lock;

};

} // namespace JSC

WebKit/Source/JavaScriptCore/tools/FunctionOverrides.h at main · WebKit/WebKit · GitHub

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