checkpoint

[sbp.git] / TODO

diff --git a/TODO b/TODO
index 78baf01..a151061 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,7 +1,24 @@
-
-______________________________________________________________________________
+_____________________________________________________________________________
 Immediately
 
+  - What is our use model?
+    - Parse, attribute, unify       (ag)
+    - Parse, transform tree, walk   (rdp)
+    - Parse, walk
+    - cascading tree rewrites
+
+      ==> use the middle formalism "for now" and in meta.g; layer others
+          on top of it
+
+  - Lay down the law on the different kinds of Sequence productions
+    and how they work.
+
+     => mydrop
+     => mylift
+
+  - whitespace-in-braces?
+  - Deal with the problem of zero-rep productions and whitespace insertion
+
   - switch maximal to not-followed-by (~/~)
 
   - should Union.add() be there?
@@ -33,6 +50,13 @@ Soon
   - "Regular Right Part" grammars (NP Chapman, etc)
   - Attribute unification
 
+  - serialization of parse tables
+  - inference of rejections for literals
+  - "prefer whitespace higher up" (?)
+  - "ambiguity modulo dropped fragments"?
+       - can this be checked statically?
+       - eliminated statically?
+
 ______________________________________________________________________________
 Later