darling-JavaScriptCore/tools/FunctionOverrides.h

68 lines
2.3 KiB
C++

/*
* Copyright (C) 2015-2016 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
* 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 typeProfilingStartOffset;
unsigned typeProfilingEndOffset;
};
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 AbstractLocker&, const char* fileName);
void clear(const AbstractLocker&) { m_entries.clear(); }
HashMap<String, String> m_entries;
Lock m_lock;
};
} // namespace JSC