1 files changed, 35 insertions, 0 deletions
diff --git a/test/TableGen/DiagnosticBase.inc b/test/TableGen/DiagnosticBase.inc
new file mode 100644
index 0000000..afa85f5
--- /dev/null
+++ b/test/TableGen/DiagnosticBase.inc
@@ -0,0 +1,35 @@
+// Define the diagnostic mappings.
+class DiagMapping;
+def MAP_IGNORE  : DiagMapping;
+def MAP_WARNING : DiagMapping;
+def MAP_ERROR   : DiagMapping;
+def MAP_FATAL   : DiagMapping;
+
+// Define the diagnostic classes.
+class DiagClass;
+def CLASS_NOTE      : DiagClass;
+def CLASS_WARNING   : DiagClass;
+def CLASS_EXTENSION : DiagClass;
+def CLASS_ERROR     : DiagClass;
+
+class DiagGroup<string Name, list<DiagGroup> subgroups = []> {
+  string GroupName = Name;
+  list<DiagGroup> SubGroups = subgroups;
+  string CategoryName = "";
+}
+class InGroup<DiagGroup G> { DiagGroup Group = G; }
+
+// All diagnostics emitted by the compiler are an indirect subclass of this.
+class Diagnostic<string text, DiagClass DC, DiagMapping defaultmapping> {
+  string      Text = text;
+  DiagClass   Class = DC;
+  DiagMapping DefaultMapping = defaultmapping;
+  DiagGroup   Group;
+  string      CategoryName = "";
+}
+
+class Error<string str>     : Diagnostic<str, CLASS_ERROR, MAP_ERROR>;
+class Warning<string str>   : Diagnostic<str, CLASS_WARNING, MAP_WARNING>;
+class Extension<string str> : Diagnostic<str, CLASS_EXTENSION, MAP_IGNORE>;
+class ExtWarn<string str>   : Diagnostic<str, CLASS_EXTENSION, MAP_WARNING>;
+class Note<string str>      : Diagnostic<str, CLASS_NOTE, MAP_FATAL/*ignored*/>;