Changeset 67146 in webkit for trunk/JavaScriptCore/runtime/RegExp.h

Timestamp:

Sep 9, 2010, 7:10:37 PM (15 years ago)

Author:

[email protected]

Message:

2010-09-09 Michael Saboff <​[email protected]>

Reviewed by Gavin Barraclough.

Added a regular expression tracing facility. This tracing is connected
to jsc. Every compiled regular expression object is added to a list.
When the process exits, each regular expression dumps its pattern,
JIT address, number of times it was executed and the number of matches.
This tracing is controlled by the macro ENABLE_REGEXP_TRACING in
wtf/Platform.h.
​https://bugs.webkit.org/show_bug.cgi?id=45401

• JavaScriptCore.exp:
• jsc.cpp: (runWithScripts):
• runtime/JSGlobalData.cpp: (JSC::JSGlobalData::JSGlobalData): (JSC::JSGlobalData::~JSGlobalData): (JSC::JSGlobalData::addRegExpToTrace): (JSC::JSGlobalData::dumpRegExpTrace):
• runtime/JSGlobalData.h:
• runtime/RegExp.cpp: (JSC::RegExp::RegExp): (JSC::RegExp::create): (JSC::RegExp::match):
• runtime/RegExp.h:
• wtf/Platform.h:
• yarr/RegexJIT.h: (JSC::Yarr::RegexCodeBlock::getAddr):

2010-09-09 Michael Saboff <​[email protected]>

Reviewed by Gavin Barraclough.

Added ListHashSet.h as an exported header in support of RegExp tracing.
​https://bugs.webkit.org/show_bug.cgi?id=45401

• ForwardingHeaders/wtf/ListHashSet.h: Added.

File:

• trunk/JavaScriptCore/runtime/RegExp.h (modified) (2 diffs)

trunk/JavaScriptCore/runtime/RegExp.h

@@ -49 +49 @@
         int match(const UString&, int startOffset, Vector<int, 32>* ovector = 0);
         unsigned numSubpatterns() const { return m_numSubpatterns; }
+        
+#if ENABLE(REGEXP_TRACING)
+        void printTraceData();
+#endif
 
     private:
@@ -61 +65 @@
         const char* m_constructionError;
         unsigned m_numSubpatterns;
-        
+#if ENABLE(REGEXP_TRACING)
+        unsigned m_rtMatchCallCount;
+        unsigned m_rtMatchFoundCount;
+#endif
+
         OwnPtr<RegExpRepresentation> m_representation;
     };