webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 31 insertions, 55 deletions

diff --git a/Source/JavaScriptCore/runtime/RegExp.cpp b/Source/JavaScriptCore/runtime/RegExp.cpp
index 26750b3c7..30c105d29 100644
--- a/Source/JavaScriptCore/runtime/RegExp.cpp
+++ b/Source/JavaScriptCore/runtime/RegExp.cpp
@@ -24,7 +24,7 @@
 #include "RegExp.h"
 
 #include "Lexer.h"
-#include "JSCInlines.h"
+#include "Operations.h"
 #include "RegExpCache.h"
 #include "Yarr.h"
 #include "YarrJIT.h"
@@ -40,7 +40,7 @@
 
 namespace JSC {
 
-const ClassInfo RegExp::s_info = { "RegExp", 0, 0, CREATE_METHOD_TABLE(RegExp) };
+const ClassInfo RegExp::s_info = { "RegExp", 0, 0, 0, CREATE_METHOD_TABLE(RegExp) };
 
 RegExpFlags regExpFlags(const String& string)
 {
@@ -113,7 +113,7 @@ RegExpFunctionalTestCollector* RegExpFunctionalTestCollector::get()
     return s_instance;
 }
 
-void RegExpFunctionalTestCollector::outputOneTest(RegExp* regExp, const String& s, int startOffset, int* ovector, int result)
+void RegExpFunctionalTestCollector::outputOneTest(RegExp* regExp, String s, int startOffset, int* ovector, int result)
 {
     if ((!m_lastRegExp) || (m_lastRegExp != regExp)) {
         m_lastRegExp = regExp;
@@ -227,10 +227,6 @@ RegExp::RegExp(VM& vm, const String& patternString, RegExpFlags flags)
     , m_constructionError(0)
     , m_numSubpatterns(0)
 #if ENABLE(REGEXP_TRACING)
-    , m_rtMatchOnlyTotalSubjectStringLen(0.0)
-    , m_rtMatchTotalSubjectStringLen(0.0)
-    , m_rtMatchOnlyCallCount(0)
-    , m_rtMatchOnlyFoundCount(0)
     , m_rtMatchCallCount(0)
     , m_rtMatchFoundCount(0)
 #endif
@@ -256,16 +252,6 @@ void RegExp::destroy(JSCell* cell)
     thisObject->RegExp::~RegExp();
 }
 
-size_t RegExp::estimatedSize(JSCell* cell)
-{
-    RegExp* thisObject = static_cast<RegExp*>(cell);
-    size_t regexDataSize = thisObject->m_regExpBytecode ? thisObject->m_regExpBytecode->estimatedSizeInBytes() : 0;
-#if ENABLE(YARR_JIT)
-    regexDataSize += thisObject->m_regExpJITCode.size();
-#endif
-    return Base::estimatedSize(cell) + regexDataSize;
-}
-
 RegExp* RegExp::createWithoutCaching(VM& vm, const String& patternString, RegExpFlags flags)
 {
     RegExp* regExp = new (NotNull, allocateCell<RegExp>(vm.heap)) RegExp(vm, patternString, flags);
@@ -283,10 +269,8 @@ void RegExp::compile(VM* vm, Yarr::YarrCharSize charSize)
     Yarr::YarrPattern pattern(m_patternString, ignoreCase(), multiline(), &m_constructionError);
     if (m_constructionError) {
         RELEASE_ASSERT_NOT_REACHED();
-#if COMPILER_QUIRK(CONSIDERS_UNREACHABLE_CODE)
         m_state = ParseError;
         return;
-#endif
     }
     ASSERT(m_numSubpatterns == pattern.m_numSubpatterns);
 
@@ -297,18 +281,24 @@ void RegExp::compile(VM* vm, Yarr::YarrCharSize charSize)
     }
 
 #if ENABLE(YARR_JIT)
-    if (!pattern.m_containsBackreferences && !pattern.containsUnsignedLengthPattern() && vm->canUseRegExpJIT()) {
+    if (!pattern.m_containsBackreferences && vm->canUseRegExpJIT()) {
         Yarr::jitCompile(pattern, charSize, vm, m_regExpJITCode);
+#if ENABLE(YARR_JIT_DEBUG)
+        if (!m_regExpJITCode.isFallBack())
+            m_state = JITCode;
+        else
+            m_state = ByteCode;
+#else
         if (!m_regExpJITCode.isFallBack()) {
             m_state = JITCode;
             return;
         }
+#endif
     }
 #else
     UNUSED_PARAM(charSize);
 #endif
 
-    m_state = ByteCode;
     m_regExpBytecode = Yarr::byteCompile(pattern, &vm->m_regExpAllocator);
 }
 
@@ -334,7 +324,6 @@ int RegExp::match(VM& vm, const String& s, unsigned startOffset, Vector<int, 32>
 {
 #if ENABLE(REGEXP_TRACING)
     m_rtMatchCallCount++;
-    m_rtMatchTotalSubjectStringLen += (double)(s.length() - startOffset);
 #endif
 
     ASSERT(m_state != ParseError);
@@ -402,10 +391,8 @@ void RegExp::compileMatchOnly(VM* vm, Yarr::YarrCharSize charSize)
     Yarr::YarrPattern pattern(m_patternString, ignoreCase(), multiline(), &m_constructionError);
     if (m_constructionError) {
         RELEASE_ASSERT_NOT_REACHED();
-#if COMPILER_QUIRK(CONSIDERS_UNREACHABLE_CODE)
         m_state = ParseError;
         return;
-#endif
     }
     ASSERT(m_numSubpatterns == pattern.m_numSubpatterns);
 
@@ -416,18 +403,24 @@ void RegExp::compileMatchOnly(VM* vm, Yarr::YarrCharSize charSize)
     }
 
 #if ENABLE(YARR_JIT)
-    if (!pattern.m_containsBackreferences && !pattern.containsUnsignedLengthPattern() && vm->canUseRegExpJIT()) {
+    if (!pattern.m_containsBackreferences && vm->canUseRegExpJIT()) {
         Yarr::jitCompile(pattern, charSize, vm, m_regExpJITCode, Yarr::MatchOnly);
+#if ENABLE(YARR_JIT_DEBUG)
+        if (!m_regExpJITCode.isFallBack())
+            m_state = JITCode;
+        else
+            m_state = ByteCode;
+#else
         if (!m_regExpJITCode.isFallBack()) {
             m_state = JITCode;
             return;
         }
+#endif
     }
 #else
     UNUSED_PARAM(charSize);
 #endif
 
-    m_state = ByteCode;
     m_regExpBytecode = Yarr::byteCompile(pattern, &vm->m_regExpAllocator);
 }
 
@@ -452,8 +445,7 @@ void RegExp::compileIfNecessaryMatchOnly(VM& vm, Yarr::YarrCharSize charSize)
 MatchResult RegExp::match(VM& vm, const String& s, unsigned startOffset)
 {
 #if ENABLE(REGEXP_TRACING)
-    m_rtMatchOnlyCallCount++;
-    m_rtMatchOnlyTotalSubjectStringLen += (double)(s.length() - startOffset);
+    m_rtMatchCallCount++;
 #endif
 
     ASSERT(m_state != ParseError);
@@ -466,7 +458,7 @@ MatchResult RegExp::match(VM& vm, const String& s, unsigned startOffset)
             m_regExpJITCode.execute(s.characters16(), startOffset, s.length());
 #if ENABLE(REGEXP_TRACING)
         if (!result)
-            m_rtMatchOnlyFoundCount++;
+            m_rtMatchFoundCount++;
 #endif
         return result;
     }
@@ -484,7 +476,7 @@ MatchResult RegExp::match(VM& vm, const String& s, unsigned startOffset)
 
     if (r >= 0) {
 #if ENABLE(REGEXP_TRACING)
-        m_rtMatchOnlyFoundCount++;
+        m_rtMatchFoundCount++;
 #endif
         return MatchResult(r, reinterpret_cast<unsigned*>(offsetVector)[1]);
     }
@@ -492,7 +484,7 @@ MatchResult RegExp::match(VM& vm, const String& s, unsigned startOffset)
     return MatchResult::failed();
 }
 
-void RegExp::deleteCode()
+void RegExp::invalidateCode()
 {
     if (!hasCode())
         return;
@@ -500,7 +492,7 @@ void RegExp::deleteCode()
 #if ENABLE(YARR_JIT)
     m_regExpJITCode.clear();
 #endif
-    m_regExpBytecode = nullptr;
+    m_regExpBytecode.clear();
 }
 
 #if ENABLE(YARR_JIT_DEBUG)
@@ -571,32 +563,16 @@ void RegExp::matchCompareWithInterpreter(const String& s, int startOffset, int*
         Yarr::YarrCodeBlock& codeBlock = m_regExpJITCode;
 
         const size_t jitAddrSize = 20;
-        char jit8BitMatchOnlyAddr[jitAddrSize];
-        char jit16BitMatchOnlyAddr[jitAddrSize];
-        char jit8BitMatchAddr[jitAddrSize];
-        char jit16BitMatchAddr[jitAddrSize];
-        if (m_state == ByteCode) {
-            snprintf(jit8BitMatchOnlyAddr, jitAddrSize, "fallback    ");
-            snprintf(jit16BitMatchOnlyAddr, jitAddrSize, "----      ");
-            snprintf(jit8BitMatchAddr, jitAddrSize, "fallback    ");
-            snprintf(jit16BitMatchAddr, jitAddrSize, "----      ");
-        } else {
-            snprintf(jit8BitMatchOnlyAddr, jitAddrSize, "0x%014lx", reinterpret_cast<unsigned long int>(codeBlock.get8BitMatchOnlyAddr()));
-            snprintf(jit16BitMatchOnlyAddr, jitAddrSize, "0x%014lx", reinterpret_cast<unsigned long int>(codeBlock.get16BitMatchOnlyAddr()));
-            snprintf(jit8BitMatchAddr, jitAddrSize, "0x%014lx", reinterpret_cast<unsigned long int>(codeBlock.get8BitMatchAddr()));
-            snprintf(jit16BitMatchAddr, jitAddrSize, "0x%014lx", reinterpret_cast<unsigned long int>(codeBlock.get16BitMatchAddr()));
-        }
+        char jitAddr[jitAddrSize];
+        if (m_state == JITCode)
+            snprintf(jitAddr, jitAddrSize, "fallback");
+        else
+            snprintf(jitAddr, jitAddrSize, "0x%014lx", reinterpret_cast<unsigned long int>(codeBlock.getAddr()));
 #else
-        const char* jit8BitMatchOnlyAddr = "JIT Off";
-        const char* jit16BitMatchOnlyAddr = "";
-        const char* jit8BitMatchAddr = "JIT Off";
-        const char* jit16BitMatchAddr = "";
+        const char* jitAddr = "JIT Off";
 #endif
-        unsigned averageMatchOnlyStringLen = (unsigned)(m_rtMatchOnlyTotalSubjectStringLen / m_rtMatchOnlyCallCount);
-        unsigned averageMatchStringLen = (unsigned)(m_rtMatchTotalSubjectStringLen / m_rtMatchCallCount);
 
-        printf("%-40.40s %16.16s %16.16s %10d %10d %10u\n", formattedPattern, jit8BitMatchOnlyAddr, jit16BitMatchOnlyAddr, m_rtMatchOnlyCallCount, m_rtMatchOnlyFoundCount, averageMatchOnlyStringLen);
-        printf("                                         %16.16s %16.16s %10d %10d %10u\n", jit8BitMatchAddr, jit16BitMatchAddr, m_rtMatchCallCount, m_rtMatchFoundCount, averageMatchStringLen);
+        printf("%-40.40s %16.16s %10d %10d\n", formattedPattern, jitAddr, m_rtMatchCallCount, m_rtMatchFoundCount);
     }
 #endif