projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 81345200 A |
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 | #ifndef CompilationResult_h | |
| 27 | #define CompilationResult_h | |
| 28 | ||
| 29 | #include <wtf/PrintStream.h> | |
| 30 | ||
| 31 | namespace JSC { | |
| 32 | ||
| 33 | enum CompilationResult { | |
| 34 | // We tried to compile the code, but we couldn't compile it. This could be | |
| 35 | // because we ran out of memory, or because the compiler encountered an | |
| 36 | // internal error and decided to bail out gracefully. Either way, this implies | |
| 37 | // that we shouldn't try to compile this code block again. | |
| 38 | CompilationFailed, | |
| 39 | ||
| 40 | // The profiling assumptions that were fed into the compiler were invalidated | |
| 41 | // even before we finished compiling. This means we should try again: in such | |
| 42 | // cases the profiling will now be updated and the next compilation won't | |
| 43 | // encounter the same problem. But it does mean that we should exercise | |
| 44 | // exponential back-off, to get even more profiling so that new profiling | |
| 45 | // pathologies aren't encountered. | |
| 46 | CompilationInvalidated, | |
| 47 | ||
| 48 | // The compilation succeeded and the code block now has JITCode for the newly | |
| 49 | // compiled code. However, compilation success doesn't mean that the CodeBlock | |
| 50 | // will execute yet; you typically have to install it first, unless you plan | |
| 51 | // on invoking it manually (something that *could* be done for some kinds of | |
| 52 | // OSR entry). | |
| 53 | CompilationSuccessful, | |
| 54 | ||
| 55 | // We decided to do the compilation asynchronously. This means that we haven't | |
| 56 | // yet compiled the code. This only happens when you pass a | |
| 57 | // DeferredCompilationCallback. That callback will get called with some | |
| 58 | // interesting result, once compilation completes. | |
| 59 | CompilationDeferred | |
| 60 | }; | |
| 61 | ||
| 62 | } // namespace JSC | |
| 63 | ||
| 64 | namespace WTF { | |
| 65 | ||
| 66 | void printInternal(PrintStream&, JSC::CompilationResult); | |
| 67 | ||
| 68 | } // namespace WTF | |
| 69 | ||
| 70 | #endif // CompilationResult_h | |
| 71 |