uhd: added a bunch of custom exceptions, not used yet

1 files changed, 47 insertions, 0 deletions

diff --git a/host/lib/utils/exception.cpp b/host/lib/utils/exception.cpp
new file mode 100644
index 000000000..e66addb0c
--- /dev/null
+++ b/host/lib/utils/exception.cpp
@@ -0,0 +1,47 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// 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 3 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, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/utils/assert.hpp>
+#include <boost/functional/hash.hpp>
+#include <boost/format.hpp>
+
+using namespace uhd;
+
+static unsigned make_code(const std::string &name){
+    boost::hash<std::string> string_hash;
+    return unsigned(string_hash(name) & 0xfff);
+};
+
+exception::exception(const std::string &what):
+    std::runtime_error(what){/* NOP */}
+
+#define make_exception_impl(name, class, base) \
+    class::class(const std::string &what): \
+        base(str(boost::format("%s: %s") % name % what)){} \
+    unsigned class::code(void) const{return make_code(#class);}
+
+make_exception_impl("AssertionError",        assertion_error,         exception)
+make_exception_impl("LookupError",           lookup_error,            exception)
+make_exception_impl("IndexError",            index_error,             lookup_error)
+make_exception_impl("KeyError",              key_error,               lookup_error)
+make_exception_impl("ValueError",            value_error,             exception)
+make_exception_impl("RuntimeError",          runtime_error,           exception)
+make_exception_impl("NotImplementedError",   not_implemented_error,   runtime_error)
+make_exception_impl("EnvironmentError",      environment_error,       exception)
+make_exception_impl("IOError",               io_error,                environment_error)
+make_exception_impl("OSError",               os_error,                environment_error)
+make_exception_impl("SystemError",           system_error,            exception)