JavaScriptCore-903.tar.gz

[apple/javascriptcore.git] / yarr / RegexJIT.h

diff --git a/yarr/RegexJIT.h b/yarr/RegexJIT.h
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--- a/yarr/RegexJIT.h
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-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#ifndef RegexJIT_h
-#define RegexJIT_h
-
-#if ENABLE(YARR_JIT)
-
-#include "MacroAssembler.h"
-#include "RegexPattern.h"
-#include <UString.h>
-
-#include <pcre.h>
-struct JSRegExp; // temporary, remove when fallback is removed.
-
-#if CPU(X86) && !COMPILER(MSVC)
-#define YARR_CALL __attribute__ ((regparm (3)))
-#else
-#define YARR_CALL
-#endif
-
-namespace JSC {
-
-class JSGlobalData;
-class ExecutablePool;
-
-namespace Yarr {
-
-class RegexCodeBlock {
-    typedef int (*RegexJITCode)(const UChar* input, unsigned start, unsigned length, int* output) YARR_CALL;
-
-public:
-    RegexCodeBlock()
-        : m_fallback(0)
-    {
-    }
-
-    ~RegexCodeBlock()
-    {
-        if (m_fallback)
-            jsRegExpFree(m_fallback);
-    }
-
-    JSRegExp* getFallback() { return m_fallback; }
-    void setFallback(JSRegExp* fallback) { m_fallback = fallback; }
-
-    bool operator!() { return (!m_ref.m_code.executableAddress() && !m_fallback); }
-    void set(MacroAssembler::CodeRef ref) { m_ref = ref; }
-
-    int execute(const UChar* input, unsigned start, unsigned length, int* output)
-    {
-        return reinterpret_cast<RegexJITCode>(m_ref.m_code.executableAddress())(input, start, length, output);
-    }
-
-private:
-    MacroAssembler::CodeRef m_ref;
-    JSRegExp* m_fallback;
-};
-
-void jitCompileRegex(JSGlobalData* globalData, RegexCodeBlock& jitObject, const UString& pattern, unsigned& numSubpatterns, const char*& error, bool ignoreCase = false, bool multiline = false);
-
-inline int executeRegex(RegexCodeBlock& jitObject, const UChar* input, unsigned start, unsigned length, int* output, int outputArraySize)
-{
-    if (JSRegExp* fallback = jitObject.getFallback())
-        return (jsRegExpExecute(fallback, input, length, start, output, outputArraySize) < 0) ? -1 : output[0];
-
-    return jitObject.execute(input, start, length, output);
-}
-
-} } // namespace JSC::Yarr
-
-#endif
-
-#endif // RegexJIT_h