X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ftracer.h;h=b01f652f800213d15b7b72478ee2e96fb883512d;hb=e7ae04343eeb55d92b52c979c2fd5f5ea54ccf38;hp=bcde291ee02e525d6dddb0232d91be651922d678;hpb=85798535a19919e82cc94a177a8414c542a9c5bf;p=lyx.git

diff --git a/src/tracer.h b/src/tracer.h
index bcde291ee0..b01f652f80 100644
--- a/src/tracer.h
+++ b/src/tracer.h
@@ -1,28 +1,53 @@
 // -*- C++ -*-
+/* This file is part of
+ * ====================================================== 
+ * 
+ *           LyX, The Document Processor
+ *        
+ *           Copyright 1995 Matthias Ettrich
+ *           Copyright 1995-2000 The LyX Team.
+ *
+ * ====================================================== */
+
 #ifndef TRACER_H
 #define TRACER_H
 
+#ifdef __GNUG__
+#pragma interface
+#endif
+
 #include "debug.h"
 #include "LString.h"
 
-using std::endl;
-
-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