X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ftracer.h;h=62d26c54e48cdbcee59dab9d089b26b6f5a01551;hb=dd47a9eb1798d583dc84ec1c91c10cecbfa9874a;hp=365cfa53dd5e3a7f00007d17b52d9fd3aa5736a0;hpb=77e706c44175f3cf71473a42d5db890c77b3b7b3;p=lyx.git

diff --git a/src/tracer.h b/src/tracer.h
index 365cfa53dd..62d26c54e4 100644
--- a/src/tracer.h
+++ b/src/tracer.h
@@ -1,26 +1,49 @@
 // -*- C++ -*-
+/* This file is part of
+ * ======================================================
+ *
+ *           LyX, The Document Processor
+ *
+ *           Copyright 1995 Matthias Ettrich
+ *           Copyright 1995-2001 The LyX Team.
+ *
+ * ====================================================== */
+
 #ifndef TRACER_H
 #define TRACER_H
 
 #include "debug.h"
 #include "LString.h"
 
-class DebugTracer {
+///
+class Trace {
 public:
-	DebugTracer(string const & s) : str(s) {
-		lyxerr << string(depth, ' ') << "Trace begin : "
+	///
+	explicit
+	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