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94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sw=4 et tw=99 ft=cpp:
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef YarrJIT_h
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#define YarrJIT_h
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#include "assembler/wtf/Platform.h"
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#if ENABLE_YARR_JIT
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#include "assembler/assembler/MacroAssembler.h"
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#include "YarrPattern.h"
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#if WTF_CPU_X86 && !WTF_COMPILER_MSVC && !WTF_COMPILER_SUNCC
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#define YARR_CALL __attribute__ ((regparm (3)))
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#else
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#define YARR_CALL
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#endif
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namespace JSC {
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class JSGlobalData;
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class ExecutablePool;
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namespace Yarr {
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class YarrCodeBlock {
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typedef int (*YarrJITCode)(const UChar* input, unsigned start, unsigned length, int* output) YARR_CALL;
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public:
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YarrCodeBlock()
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: m_needFallBack(false)
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{
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}
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~YarrCodeBlock()
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{
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}
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void setFallBack(bool fallback) { m_needFallBack = fallback; }
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bool isFallBack() { return m_needFallBack; }
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void set(MacroAssembler::CodeRef ref) { m_ref = ref; }
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int execute(const UChar* input, unsigned start, unsigned length, int* output)
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{
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return JS_EXTENSION((reinterpret_cast<YarrJITCode>(m_ref.m_code.executableAddress()))(input, start, length, output));
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}
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#if ENABLE_REGEXP_TRACING
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void *getAddr() { return m_ref.m_code.executableAddress(); }
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#endif
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void release() { m_ref.release(); }
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private:
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MacroAssembler::CodeRef m_ref;
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bool m_needFallBack;
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};
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void jitCompile(YarrPattern&, JSGlobalData*, YarrCodeBlock& jitObject);
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int execute(YarrCodeBlock& jitObject, const UChar* input, unsigned start, unsigned length, int* output);
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} } // namespace JSC::Yarr
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#endif
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#endif // YarrJIT_h
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