Cleaning and refactoring.

[bold.git] / Bold / errors.py

diff --git a/Bold/errors.py b/Bold/errors.py
new file mode 100644 (file)
index 0000000..98db3e8
--- /dev/null
+++ b/Bold/errors.py
@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+
+# kate: space-indent on; indent-width 2; mixedindent off; indent-mode python;
+
+# Copyright (C) 2009 Amand 'alrj' Tihon <amand.tihon@alrj.org>
+#
+# This file is part of bold, the Byte Optimized Linker.
+#
+# You can redistribute this file and/or modify it under the terms of the
+# GNU Lesser General Public License as published by the Free Software
+# Foundation, version 2.1.
+
+"""Define all the exceptions."""
+
+class NotRelocatableObject(Exception):
+  """Raised when an input file is not a relocatable ELF object."""
+  def __init__(self, path):
+    self.path = path
+  def __str__(self):
+    return "File '%s' is not a relocatable object file" % self.path
+
+class UnsupportedObject(Exception):
+  """Raised when an input file is not of a supported arch."""
+  def __init__(self, path, reason):
+    self.path = path
+    self.reason = reason
+  def __str__(self):
+    return "File '%s' is not supported: %s" % (self.path, self.reason)
+
+class LibNotFound(Exception):
+  """Raised if a shared library could not be found."""
+  def __init__(self, libname):
+    self.libname = libname
+  def __str__(self):
+    return "Cannot find shared library for '%s'" % self.libname
+
+class UndefinedSymbol(Exception):
+  """Raised if a symbol is referenced but not declared."""
+  def __init__(self, symbol_name):
+    self.symbol = symbol_name
+  def __str__(self):
+    return "Undefined reference to '%s'" % self.symbol
+
+class RedefinedSymbol(Exception):
+  """Raised if a symbol is referenced but not declared."""
+  def __init__(self, symbol_name):
+    self.symbol = symbol_name
+  def __str__(self):
+    return "Symbol '%s' is declared twice" % self.symbol