1 files changed, 57 insertions, 0 deletions
diff --git a/libs/pbd/pbd/debug.h b/libs/pbd/pbd/debug.h
new file mode 100644
index 0000000000..a45a867bd2
--- /dev/null
+++ b/libs/pbd/pbd/debug.h
@@ -0,0 +1,57 @@
+/*
+    Copyright (C) 2009 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __libpbd_debug_h__
+#define __libpbd_debug_h__
+
+#include <stdint.h>
+
+#include <sstream>
+
+namespace PBD {
+
+	extern uint64_t debug_bits;
+        uint64_t new_debug_bit (const char* name);
+	void debug_print (const char* prefix, std::string str);
+	void set_debug_bits (uint64_t bits);
+	int parse_debug_options (const char* str);
+	void list_debug_options ();
+
+	namespace DEBUG {
+
+		/* this namespace is so that we can write DEBUG::bit_name */
+                
+                extern uint64_t Stateful;
+                extern uint64_t Properties;
+	}
+}
+
+#ifndef NDEBUG
+#define DEBUG_TRACE(bits,str) if ((bits) & PBD::debug_bits) { PBD::debug_print (# bits, str); }
+#define DEBUG_STR_DECL(id) std::stringstream __debug_str ## id;
+#define DEBUG_STR(id) __debug_str ## id
+#define DEBUG_STR_APPEND(id,s) __debug_str ## id << s;
+#else
+#define DEBUG_TRACE(bits,fmt,...) /*empty*/
+#define DEBUG_STR(a) /* empty */
+#define DEBUG_STR_APPEND(a,b) /* empty */
+#endif
+
+#endif /* __libpbd_debug_h__ */
+