1/*
2 * Copyright (C) 2015-2016 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#pragma once
27
28#include "SourceCode.h"
29#include <wtf/HashMap.h>
30#include <wtf/text/WTFString.h>
31
32namespace JSC {
33
34class ScriptExecutable;
35
36struct FunctionOverrideInfo {
37 SourceCode sourceCode;
38 unsigned firstLine;
39 unsigned lineCount;
40 unsigned startColumn;
41 unsigned endColumn;
42 unsigned parametersStartOffset;
43 unsigned typeProfilingStartOffset;
44 unsigned typeProfilingEndOffset;
45};
46
47class FunctionOverrides {
48public:
49 using OverrideInfo = FunctionOverrideInfo;
50
51 static FunctionOverrides& overrides();
52 FunctionOverrides(const char* functionOverridesFileName);
53
54 static bool initializeOverrideFor(const SourceCode& origCode, OverrideInfo& result);
55
56 JS_EXPORT_PRIVATE static void reinstallOverrides();
57
58private:
59 void parseOverridesInFile(const char* fileName);
60 void clear() { m_entries.clear(); }
61
62 HashMap<String, String> m_entries;
63};
64
65} // namespace JSC
66