let profiler trace 'get member' calls, because I suspect they might be slow (linear string lookup)

src/script/profiler.cpp

@@ -104,6 +104,19 @@ Profiler::Profiler(Timer& timer, Variable function_name)
 	timer.exclude_time();
 }
 
+// Enter a function
+Profiler::Profiler(Timer& timer, const Char* function_name)
+	: timer(timer)
+	, parent(function) // push
+{
+	FunctionProfileP& fpp = parent->children[(size_t)function_name];
+	if (!fpp) {
+		fpp = new_intrusive1<FunctionProfile>(function_name);
+	}
+	function = fpp.get();
+	timer.exclude_time();
+}
+
 // Enter a function
 Profiler::Profiler(Timer& timer, void* function_object, const String& function_name)
 	: timer(timer)

src/script/profiler.hpp

@@ -70,6 +70,8 @@ class FunctionProfile : public IntrusivePtrBase<FunctionProfile> {
 	String      name;
 	ProfileTime time_ticks;
 	UInt        calls;
+	/// for each id, called children
+	/** we (ab)use the fact that all pointers are even to store both pointers and ids */
 	map<size_t,FunctionProfileP> children;
 	
 	/// The children, sorted by time
@@ -90,8 +92,16 @@ const FunctionProfile& profile_aggregated(int level = 1);
 /// Profile a single function call
 class Profiler {
   public:
+	/// Log the fact that the function  function_name  is entered, ends when profiler goes out of scope.
+	/** Time between the construction of Timer and the construction of Profiler is excluded from ALL profiles.
+	 */
 	Profiler(Timer& timer, Variable function_name);
+	/// As above, but with a constant name
+	Profiler(Timer& timer, const Char* function_name);
+	/// As above, but using a function object instead of a name,
+	/** if we haven't seen the object before, it gets the given name. */
 	Profiler(Timer& timer, void* function_object, const String& function_name);
+	/// Log the fact that the function is left
 	~Profiler();
   private:
 	Timer&                  timer;

src/script/to_value.hpp

@@ -11,6 +11,7 @@
 
 #include <script/value.hpp>
 #include <script/script.hpp>
+#include <script/profiler.hpp>
 #include <util/reflect.hpp>
 #include <util/error.hpp>
 #include <util/io/get_member.hpp>
@@ -269,6 +270,10 @@ class ScriptObject : public ScriptValue {
 		ScriptValueP d = getDefault(); return d ? d->toImage(d) : ScriptValue::toImage(thisP);
 	}
 	virtual ScriptValueP getMember(const String& name) const {
+		#if USE_SCRIPT_PROFILING
+			Timer t;
+			Profiler prof(t, _("get member"));
+		#endif
 		GetMember gm(name);
 		gm.handle(*value);
 		if (gm.result()) return gm.result();