1/*
2 * Copyright (C) 2013 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 <wtf/PrintStream.h>
29
30namespace JSC {
31
32enum CompilationResult {
33 // We tried to compile the code, but we couldn't compile it. This could be
34 // because we ran out of memory, or because the compiler encountered an
35 // internal error and decided to bail out gracefully. Either way, this implies
36 // that we shouldn't try to compile this code block again.
37 CompilationFailed,
38
39 // The profiling assumptions that were fed into the compiler were invalidated
40 // even before we finished compiling. This means we should try again: in such
41 // cases the profiling will now be updated and the next compilation won't
42 // encounter the same problem. But it does mean that we should exercise
43 // exponential back-off, to get even more profiling so that new profiling
44 // pathologies aren't encountered.
45 CompilationInvalidated,
46
47 // The compilation succeeded and the code block now has JITCode for the newly
48 // compiled code. However, compilation success doesn't mean that the CodeBlock
49 // will execute yet; you typically have to install it first, unless you plan
50 // on invoking it manually (something that *could* be done for some kinds of
51 // OSR entry).
52 CompilationSuccessful,
53
54 // We decided to do the compilation asynchronously. This means that we haven't
55 // yet compiled the code. This only happens when you pass a
56 // DeferredCompilationCallback. That callback will get called with some
57 // interesting result, once compilation completes.
58 CompilationDeferred
59};
60
61} // namespace JSC
62
63namespace WTF {
64
65void printInternal(PrintStream&, JSC::CompilationResult);
66
67} // namespace WTF
68