Changeset 43087 in webkit for trunk/JavaScriptCore/bytecode/SamplingTool.h

Timestamp:

Apr 30, 2009, 2:02:19 PM (16 years ago)

Author:

[email protected]

Message:

2009-04-30 Gavin Barraclough <​[email protected]>

Reviewed by Oliver Hunt.

Two quick improvements to SamplingFlags mechanism.

SamplingFlags::ScopedFlag class to provide support for automagically
clearing a flag as it goes out of scope, and add a little more detail
to the output generated by the tool.

• bytecode/SamplingTool.cpp: (JSC::SamplingFlags::stop):
• bytecode/SamplingTool.h: (JSC::SamplingFlags::ScopedFlag::ScopedFlag): (JSC::SamplingFlags::ScopedFlag::~ScopedFlag):

File:

• trunk/JavaScriptCore/bytecode/SamplingTool.h (modified) (1 diff)

trunk/JavaScriptCore/bytecode/SamplingTool.h

@@ -60 +60 @@
 
         static void sample();
+
+        class ScopedFlag {
+        public:
+            ScopedFlag(int flag)
+                : m_flag(flag)
+            {
+                setFlag(flag);
+            }
+
+            ~ScopedFlag()
+            {
+                clearFlag(m_flag);
+            }
+
+        private:
+            int m_flag;
+        };
+    
 #endif
     private: