Move PBD symbol demangle functions into pbd/demangle.h/cc

Add pbd/demangle.cc source file and move functions from pbd/stacktrace.cc into
it

1 files changed, 67 insertions, 0 deletions

diff --git a/libs/pbd/demangle.cc b/libs/pbd/demangle.cc
new file mode 100644
index 0000000000..3f355806ee
--- /dev/null
+++ b/libs/pbd/demangle.cc
@@ -0,0 +1,67 @@
+/*
+    Copyright (C) 2000-2007 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.
+
+*/
+
+#include "pbd/demangle.h"
+
+#if defined(__GLIBCXX__)
+#include <cxxabi.h>
+#endif
+
+std::string
+PBD::symbol_demangle (const std::string& l)
+{
+#if defined(__GLIBCXX__)
+	int status;
+
+	try {
+
+		char* realname = abi::__cxa_demangle (l.c_str(), 0, 0, &status);
+		std::string d (realname);
+		free (realname);
+		return d;
+	} catch (std::exception) {
+
+	}
+#endif
+
+	return l;
+}
+
+std::string
+PBD::demangle (std::string const & l)
+{
+	std::string::size_type const b = l.find_first_of ("(");
+
+	if (b == std::string::npos) {
+		return symbol_demangle (l);
+	}
+
+	std::string::size_type const p = l.find_last_of ("+");
+	if (p == std::string::npos) {
+		return symbol_demangle (l);
+	}
+
+	if ((p - b) <= 1) {
+		return symbol_demangle (l);
+	}
+
+	std::string const fn = l.substr (b + 1, p - b - 1);
+
+	return symbol_demangle (fn);
+}