1 files changed, 163 insertions, 0 deletions
diff --git a/morphlib/morphloader_errors.py b/morphlib/morphloader_errors.py
new file mode 100644
index 00000000..d456cc9e
--- /dev/null
+++ b/morphlib/morphloader_errors.py
@@ -0,0 +1,163 @@
+# Copyright (C) 2013-2014  Codethink Limited
+#
+# 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; version 2 of the License.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# =*= License: GPL-2 =*=
+
+
+import morphlib
+
+
+class MorphologySyntaxError(morphlib.Error):
+
+    def __init__(self, morphology):
+        self.msg = 'Syntax error in morphology %s' % morphology
+
+
+class NotADictionaryError(morphlib.Error):
+
+    def __init__(self, morphology):
+        self.msg = 'Not a dictionary: morphology %s' % morphology
+
+
+class UnknownKindError(morphlib.Error):
+
+    def __init__(self, kind, morphology):
+        self.msg = (
+            'Unknown kind %s in morphology %s' % (kind, morphology))
+
+
+class MissingFieldError(morphlib.Error):
+
+    def __init__(self, field, morphology_name):
+        self.field = field
+        self.morphology_name = morphology_name
+        self.msg = (
+            'Missing field %s from morphology %s' % (field, morphology_name))
+
+
+class InvalidFieldError(morphlib.Error):
+
+    def __init__(self, field, morphology_name):
+        self.field = field
+        self.morphology_name = morphology_name
+        self.msg = (
+            'Field %s not allowed in morphology %s' % (field, morphology_name))
+
+
+class InvalidTypeError(morphlib.Error):
+
+    def __init__(self, field, expected, actual, morphology_name):
+        self.field = field
+        self.expected = expected
+        self.actual = actual
+        self.morphology_name = morphology_name
+        self.msg = (
+            'Field %s expected type %s, got %s in morphology %s' %
+            (field, expected, actual, morphology_name))
+
+
+class ObsoleteFieldsError(morphlib.Error):
+
+    def __init__(self, fields, morphology):
+        self.msg = (
+           'Morphology %s uses obsolete fields: %s' % 
+           (morphology, ' '.join(fields)))
+
+class UnknownArchitectureError(morphlib.Error):
+
+    def __init__(self, arch, morphology):
+        self.msg = (
+            'Unknown architecture %s in morphology %s' % (arch, morphology))
+
+
+class NoBuildDependenciesError(morphlib.Error):
+
+    def __init__(self, stratum_name, chunk_name, morphology):
+        self.msg = (
+            'Stratum %s has no build dependencies for chunk %s in %s' %
+                (stratum_name, chunk_name, morphology))
+
+
+class NoStratumBuildDependenciesError(morphlib.Error):
+
+    def __init__(self, stratum_name, morphology):
+        self.msg = (
+            'Stratum %s has no build dependencies in %s' %
+                (stratum_name, morphology))
+
+
+class EmptyStratumError(morphlib.Error):
+
+    def __init__(self, stratum_name, morphology):
+        self.msg = (
+            'Stratum %s has no chunks in %s' %
+                (stratum_name, morphology))
+
+
+class DuplicateChunkError(morphlib.Error):
+
+    def __init__(self, stratum_name, chunk_name):
+        self.stratum_name = stratum_name
+        self.chunk_name = chunk_name
+        morphlib.Error.__init__(
+            self, 'Duplicate chunk %(chunk_name)s '\
+                  'in stratum %(stratum_name)s' % locals())
+
+
+class SystemStrataNotListError(morphlib.Error):
+
+    def __init__(self, system_name, strata_type):
+        self.system_name = system_name
+        self.strata_type = strata_type
+        typename = strata_type.__name__
+        morphlib.Error.__init__(
+            self, 'System %(system_name)s has the wrong type for its strata: '\
+                  '%(typename)s, expected list' % locals())
+
+class DuplicateStratumError(morphlib.Error):
+
+    def __init__(self, system_name, stratum_name):
+        self.system_name = system_name
+        self.stratum_name = stratum_name
+        morphlib.Error.__init__(
+            self, 'Duplicate stratum %(stratum_name)s '\
+                  'in system %(system_name)s' % locals())
+
+
+class SystemStratumSpecsNotMappingError(morphlib.Error):
+
+    def __init__(self, system_name, strata):
+        self.system_name = system_name
+        self.strata = strata
+        morphlib.Error.__init__(
+            self, 'System %(system_name)s has stratum specs '\
+                  'that are not mappings.' % locals())
+
+
+class EmptySystemError(morphlib.Error):
+
+    def __init__(self, system_name):
+        morphlib.Error.__init__(
+            self, 'System %(system_name)s has no strata.' % locals())
+
+
+class MultipleValidationErrors(morphlib.Error):
+
+    def __init__(self, name, errors):
+        self.name = name
+        self.errors = errors
+        self.msg = 'Multiple errors when validating %(name)s:'
+        for error in errors:
+            self.msg += ('\t' + str(error))