X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ftracer.h;h=36908a70f0cf231b120b2b5ea4f2711e5a2916d7;hb=98c966c64594611e469313314abd1e59524adb4a;hp=a467efb56896ca22d8831d741dc1f94f0128bb55;hpb=4b2a999762c83627476428e595d3c1e3704a3da0;p=lyx.git

diff --git a/src/tracer.h b/src/tracer.h
index a467efb568..36908a70f0 100644
--- a/src/tracer.h
+++ b/src/tracer.h
@@ -1,11 +1,11 @@
 // -*- C++ -*-
 /* This file is part of
- * ====================================================== 
- * 
+ * ======================================================
+ *
  *           LyX, The Document Processor
- *        
+ *
  *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2000 The LyX Team.
+ *           Copyright 1995-2001 The LyX Team.
  *
  * ====================================================== */
 
@@ -19,23 +19,35 @@
 #include "debug.h"
 #include "LString.h"
 
-class DebugTracer {
+///
+class Trace {
 public:
+	///
 	explicit
-	DebugTracer(string const & s) : str(s) {
-		lyxerr << string(depth, ' ') << "Trace begin : "
+	Trace(string const & s) : str(s) {
+		lyxerr << string(depth, ' ') << "TRACE IN: "
 		       << str << std::endl;
-		++depth;
-		
+		depth += 2;
+
 	}
-	~DebugTracer() {
-		--depth;
-		lyxerr << string(depth, ' ') << "Trace end : "
+	///
+	~Trace() {
+		depth -= 2;
+		lyxerr << string(depth, ' ') << "TRACE OUT: "
 		       << str << std::endl;
 	}
 private:
+	///
 	string str;
+	///
 	static int depth;
 };
 
+// To avoid wrong usage:
+// Trace("BufferView::update");  // wrong
+// Trace t("BufferView::update"); // right
+// we add this macro:
+///
+#define Trace(x) unnamed_Trace;
+// Tip gotten from Bobby Schmidt's column in C/C++ Users Journal
 #endif