1 files changed, 19 insertions, 0 deletions
diff --git a/hobgoblin/src/sources.hob b/hobgoblin/src/sources.hob
new file mode 100644
index 00000000..ad089a13
--- /dev/null
+++ b/hobgoblin/src/sources.hob
@@ -0,0 +1,19 @@
+import {SourceRange} from ./sourcetext;
+
+sum Source {
+    variant NullSource;
+    variant RuntimeSource;
+    variant FileFragmentSource;
+}
+
+struct NullSource {
+    singleton;
+}
+
+struct RuntimeSource {
+    singleton;
+}
+
+struct FileFragmentSource {
+    field sourceRange: SourceRange;
+}