From b4d0eba7485caf0c6cf58de1193a9114fa273d8b Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Sat, 30 May 2020 15:19:28 -0400
Subject: Split new-luxc into lux-jvm and lux-r.

---
 new-luxc/source/luxc/lang/synthesis/variable.lux | 98 ------------------------
 1 file changed, 98 deletions(-)
 delete mode 100644 new-luxc/source/luxc/lang/synthesis/variable.lux

(limited to 'new-luxc/source/luxc/lang/synthesis')

diff --git a/new-luxc/source/luxc/lang/synthesis/variable.lux b/new-luxc/source/luxc/lang/synthesis/variable.lux
deleted file mode 100644
index f6a45b02e..000000000
--- a/new-luxc/source/luxc/lang/synthesis/variable.lux
+++ /dev/null
@@ -1,98 +0,0 @@
-(.module:
-  lux
-  (lux (data [number]
-             (coll [list "list/" Fold<List> Monoid<List>]
-                   ["s" set])))
-  (luxc (lang ["la" analysis]
-              ["ls" synthesis]
-              [".L" variable #+ Variable])))
-
-(def: (bound-vars path)
-  (-> ls.Path (List Variable))
-  (case path
-    (#ls.BindP register)
-    (list (.int register))
-
-    (^or (#ls.SeqP pre post) (#ls.AltP pre post))
-    (list/compose (bound-vars pre) (bound-vars post))
-    
-    _
-    (list)))
-
-(def: (path-bodies path)
-  (-> ls.Path (List ls.Synthesis))
-  (case path
-    (#ls.ExecP body)
-    (list body)
-
-    (#ls.SeqP pre post)
-    (path-bodies post)
-
-    (#ls.AltP pre post)
-    (list/compose (path-bodies pre) (path-bodies post))
-    
-    _
-    (list)))
-
-(def: (non-arg? arity var)
-  (-> ls.Arity Variable Bit)
-  (and (variableL.local? var)
-       (n/> arity (.nat var))))
-
-(type: Tracker (s.Set Variable))
-
-(def: init-tracker Tracker (s.new number.Hash<Int>))
-
-(def: (unused-vars current-arity bound exprS)
-  (-> ls.Arity (List Variable) ls.Synthesis (List Variable))
-  (let [tracker (loop [exprS exprS
-                       tracker (list/fold s.add init-tracker bound)]
-                  (case exprS
-                    (#ls.Variable var)
-                    (if (non-arg? current-arity var)
-                      (s.remove var tracker)
-                      tracker)
-                    
-                    (#ls.Variant tag last? memberS)
-                    (recur memberS tracker)
-
-                    (#ls.Tuple membersS)
-                    (list/fold recur tracker membersS)
-
-                    (#ls.Call funcS argsS)
-                    (list/fold recur (recur funcS tracker) argsS)
-                    
-                    (^or (#ls.Recur argsS)
-                         (#ls.Procedure name argsS))
-                    (list/fold recur tracker argsS)
-
-                    (#ls.Let offset inputS outputS)
-                    (|> tracker (recur inputS) (recur outputS))
-
-                    (#ls.If testS thenS elseS)
-                    (|> tracker (recur testS) (recur thenS) (recur elseS))
-
-                    (#ls.Loop offset initsS bodyS)
-                    (recur bodyS (list/fold recur tracker initsS))
-
-                    (#ls.Case inputS outputPS)
-                    (let [tracker' (list/fold s.add
-                                              (recur inputS tracker)
-                                              (bound-vars outputPS))]
-                      (list/fold recur tracker' (path-bodies outputPS)))
-
-                    (#ls.Function arity env bodyS)
-                    (list/fold s.remove tracker env)
-
-                    _
-                    tracker
-                    ))]
-    (s.to-list tracker)))
-
-## (def: (optimize-register-use current-arity [pathS bodyS])
-##   (-> ls.Arity [ls.Path ls.Synthesis] [ls.Path ls.Synthesis])
-##   (let [bound (bound-vars pathS)
-##         unused (unused-vars current-arity bound bodyS)
-##         adjusted (adjust-vars unused bound)]
-##     [(|> pathS (clean-pattern adjusted) simplify-pattern)
-##      (clean-expression adjusted bodyS)]))
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