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mark.lam@apple.comae014b12015-04-16 19:59:47 +00001/*
mark.lam@apple.com54fea6b2016-07-01 16:38:11 +00002 * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
mark.lam@apple.comae014b12015-04-16 19:59:47 +00003 *
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
ryanhaddad@apple.com22104f52016-09-28 17:08:17 +000026#pragma once
mark.lam@apple.comae014b12015-04-16 19:59:47 +000027
mark.lam@apple.comae014b12015-04-16 19:59:47 +000028#include "SourceCode.h"
29#include <wtf/HashMap.h>
ysuzuki@apple.comc61fb382019-09-05 02:52:46 +000030#include <wtf/Lock.h>
mark.lam@apple.comae014b12015-04-16 19:59:47 +000031#include <wtf/text/WTFString.h>
32
33namespace JSC {
34
35class ScriptExecutable;
36
ysuzuki@apple.com5ff64dc2019-03-22 07:14:43 +000037struct FunctionOverrideInfo {
38 SourceCode sourceCode;
39 unsigned firstLine;
40 unsigned lineCount;
41 unsigned startColumn;
42 unsigned endColumn;
43 unsigned parametersStartOffset;
44 unsigned typeProfilingStartOffset;
45 unsigned typeProfilingEndOffset;
46};
47
mark.lam@apple.comae014b12015-04-16 19:59:47 +000048class FunctionOverrides {
49public:
ysuzuki@apple.com5ff64dc2019-03-22 07:14:43 +000050 using OverrideInfo = FunctionOverrideInfo;
mark.lam@apple.comae014b12015-04-16 19:59:47 +000051
52 static FunctionOverrides& overrides();
53 FunctionOverrides(const char* functionOverridesFileName);
54
55 static bool initializeOverrideFor(const SourceCode& origCode, OverrideInfo& result);
56
mark.lam@apple.com54fea6b2016-07-01 16:38:11 +000057 JS_EXPORT_PRIVATE static void reinstallOverrides();
58
mark.lam@apple.comae014b12015-04-16 19:59:47 +000059private:
ysuzuki@apple.comc61fb382019-09-05 02:52:46 +000060 void parseOverridesInFile(const AbstractLocker&, const char* fileName);
61 void clear(const AbstractLocker&) { m_entries.clear(); }
mark.lam@apple.comae014b12015-04-16 19:59:47 +000062
63 HashMap<String, String> m_entries;
ysuzuki@apple.comc61fb382019-09-05 02:52:46 +000064 Lock m_lock;
mark.lam@apple.comae014b12015-04-16 19:59:47 +000065};
66
67} // namespace JSC