aboutsummaryrefslogtreecommitdiffstats
path: root/src/3rdparty/masm/yarr/YarrJIT.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/masm/yarr/YarrJIT.h')
-rw-r--r--src/3rdparty/masm/yarr/YarrJIT.h141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/3rdparty/masm/yarr/YarrJIT.h b/src/3rdparty/masm/yarr/YarrJIT.h
new file mode 100644
index 0000000000..bb7033fdea
--- /dev/null
+++ b/src/3rdparty/masm/yarr/YarrJIT.h
@@ -0,0 +1,141 @@
+/*
+ * 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 YarrJIT_h
+#define YarrJIT_h
+
+#if ENABLE(YARR_JIT)
+
+#include "JSGlobalData.h"
+#include "MacroAssemblerCodeRef.h"
+#include "MatchResult.h"
+#include "Yarr.h"
+#include "YarrPattern.h"
+
+#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 YarrCodeBlock {
+#if CPU(X86_64)
+ typedef MatchResult (*YarrJITCode8)(const LChar* input, unsigned start, unsigned length, int* output) YARR_CALL;
+ typedef MatchResult (*YarrJITCode16)(const UChar* input, unsigned start, unsigned length, int* output) YARR_CALL;
+ typedef MatchResult (*YarrJITCodeMatchOnly8)(const LChar* input, unsigned start, unsigned length) YARR_CALL;
+ typedef MatchResult (*YarrJITCodeMatchOnly16)(const UChar* input, unsigned start, unsigned length) YARR_CALL;
+#else
+ typedef EncodedMatchResult (*YarrJITCode8)(const LChar* input, unsigned start, unsigned length, int* output) YARR_CALL;
+ typedef EncodedMatchResult (*YarrJITCode16)(const UChar* input, unsigned start, unsigned length, int* output) YARR_CALL;
+ typedef EncodedMatchResult (*YarrJITCodeMatchOnly8)(const LChar* input, unsigned start, unsigned length) YARR_CALL;
+ typedef EncodedMatchResult (*YarrJITCodeMatchOnly16)(const UChar* input, unsigned start, unsigned length) YARR_CALL;
+#endif
+
+public:
+ YarrCodeBlock()
+ : m_needFallBack(false)
+ {
+ }
+
+ ~YarrCodeBlock()
+ {
+ }
+
+ void setFallBack(bool fallback) { m_needFallBack = fallback; }
+ bool isFallBack() { return m_needFallBack; }
+
+ bool has8BitCode() { return m_ref8.size(); }
+ bool has16BitCode() { return m_ref16.size(); }
+ void set8BitCode(MacroAssemblerCodeRef ref) { m_ref8 = ref; }
+ void set16BitCode(MacroAssemblerCodeRef ref) { m_ref16 = ref; }
+
+ bool has8BitCodeMatchOnly() { return m_matchOnly8.size(); }
+ bool has16BitCodeMatchOnly() { return m_matchOnly16.size(); }
+ void set8BitCodeMatchOnly(MacroAssemblerCodeRef matchOnly) { m_matchOnly8 = matchOnly; }
+ void set16BitCodeMatchOnly(MacroAssemblerCodeRef matchOnly) { m_matchOnly16 = matchOnly; }
+
+ MatchResult execute(const LChar* input, unsigned start, unsigned length, int* output)
+ {
+ ASSERT(has8BitCode());
+ return MatchResult(reinterpret_cast<YarrJITCode8>(m_ref8.code().executableAddress())(input, start, length, output));
+ }
+
+ MatchResult execute(const UChar* input, unsigned start, unsigned length, int* output)
+ {
+ ASSERT(has16BitCode());
+ return MatchResult(reinterpret_cast<YarrJITCode16>(m_ref16.code().executableAddress())(input, start, length, output));
+ }
+
+ MatchResult execute(const LChar* input, unsigned start, unsigned length)
+ {
+ ASSERT(has8BitCodeMatchOnly());
+ return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly8>(m_matchOnly8.code().executableAddress())(input, start, length));
+ }
+
+ MatchResult execute(const UChar* input, unsigned start, unsigned length)
+ {
+ ASSERT(has16BitCodeMatchOnly());
+ return MatchResult(reinterpret_cast<YarrJITCodeMatchOnly16>(m_matchOnly16.code().executableAddress())(input, start, length));
+ }
+
+#if ENABLE(REGEXP_TRACING)
+ void *getAddr() { return m_ref.code().executableAddress(); }
+#endif
+
+ void clear()
+ {
+ m_ref8 = MacroAssemblerCodeRef();
+ m_ref16 = MacroAssemblerCodeRef();
+ m_matchOnly8 = MacroAssemblerCodeRef();
+ m_matchOnly16 = MacroAssemblerCodeRef();
+ m_needFallBack = false;
+ }
+
+private:
+ MacroAssemblerCodeRef m_ref8;
+ MacroAssemblerCodeRef m_ref16;
+ MacroAssemblerCodeRef m_matchOnly8;
+ MacroAssemblerCodeRef m_matchOnly16;
+ bool m_needFallBack;
+};
+
+enum YarrJITCompileMode {
+ MatchOnly,
+ IncludeSubpatterns
+};
+void jitCompile(YarrPattern&, YarrCharSize, JSGlobalData*, YarrCodeBlock& jitObject, YarrJITCompileMode = IncludeSubpatterns);
+
+} } // namespace JSC::Yarr
+
+#endif
+
+#endif // YarrJIT_h