X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ftracer.h;h=36908a70f0cf231b120b2b5ea4f2711e5a2916d7;hb=98c966c64594611e469313314abd1e59524adb4a;hp=47c13f09449a2544c2ab01ceac259794cbb02b9c;hpb=601889d75d3cd03b9992e088de4e1ba50a10c342;p=lyx.git

diff --git a/src/tracer.h b/src/tracer.h
index 47c13f0944..36908a70f0 100644
--- a/src/tracer.h
+++ b/src/tracer.h
@@ -1,23 +1,53 @@
+// -*- 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
 
+#ifdef __GNUG__
+#pragma interface
+#endif
+
 #include "debug.h"
 #include "LString.h"
 
-class DebugTracer {
+///
+class Trace {
 public:
-	DebugTracer(string const & s) : str(s) {
-		lyxerr << string(depth, ' ') << "Trace begin : " << str << endl;
-		++depth;
-		
+	///
+	explicit
+	Trace(string const & s) : str(s) {
+		lyxerr << string(depth, ' ') << "TRACE IN: "
+		       << str << std::endl;
+		depth += 2;
+
 	}
-	~DebugTracer() {
-		--depth;
-		lyxerr << string(depth, ' ') << "Trace end : " << str << endl;
+	///
+	~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