- Migrated Scheme back-end to stdlib.

1 files changed, 0 insertions, 179 deletions

diff --git a/new-luxc/source/luxc/lang/translation/scheme/case.jvm.lux b/new-luxc/source/luxc/lang/translation/scheme/case.jvm.lux
deleted file mode 100644
index 91ad5140d..000000000
--- a/new-luxc/source/luxc/lang/translation/scheme/case.jvm.lux
+++ /dev/null
@@ -1,179 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                ["ex" exception #+ exception:])
-       (data [number]
-             [text]
-             text/format
-             (coll [list "list/" Functor<List> Fold<List>]
-                   (set ["set" unordered #+ Set])))
-       [macro #+ "meta/" Monad<Meta>]
-       (macro [code]))
-  (luxc [lang]
-        (lang [".L" variable #+ Register Variable]
-              ["ls" synthesis #+ Synthesis Path]
-              (host ["_" scheme #+ Expression SVar @@])))
-  [//]
-  (// [".T" runtime]
-      [".T" primitive]
-      [".T" reference]))
-
-(def: #export (translate-let translate register valueS bodyS)
-  (-> (-> Synthesis (Meta Expression)) Register Synthesis Synthesis
-      (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)
-     bodyO (translate bodyS)
-     #let [$register (referenceT.variable register)]]
-    (wrap (_.let (list [$register valueO])
-            bodyO))))
-
-(def: #export (translate-record-get translate valueS pathP)
-  (-> (-> Synthesis (Meta Expression)) Synthesis (List [Nat Bool])
-      (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)]
-    (wrap (list/fold (function (_ [idx tail?] source)
-                       (let [method (if tail?
-                                      runtimeT.product//right
-                                      runtimeT.product//left)]
-                         (method source (_.int (:! Int idx)))))
-                     valueO
-                     pathP))))
-
-(def: #export (translate-if testO thenO elseO)
-  (-> Expression Expression Expression Expression)
-  (_.if testO thenO elseO))
-
-(def: $savepoint (_.var "lux_pm_cursor_savepoint"))
-(def: $cursor (_.var "lux_pm_cursor"))
-
-(def: top _.length)
-(def: (push! value var)
-  (-> Expression SVar Expression)
-  (_.set! var (_.cons value (@@ var))))
-(def: (pop! var)
-  (-> SVar Expression)
-  (_.set! var (@@ var)))
-
-(def: (push-cursor! value)
-  (-> Expression Expression)
-  (push! value $cursor))
-
-(def: save-cursor!
-  Expression
-  (push! (@@ $cursor) $savepoint))
-
-(def: restore-cursor!
-  Expression
-  (_.set! $cursor (_.car (@@ $savepoint))))
-
-(def: cursor-top
-  Expression
-  (_.car (@@ $cursor)))
-
-(def: pop-cursor!
-  Expression
-  (pop! $cursor))
-
-(def: pm-error (_.string "PM-ERROR"))
-
-(def: fail-pm! (_.raise pm-error))
-
-(def: $temp (_.var "lux_pm_temp"))
-
-(exception: #export (Unrecognized-Path {message Text})
-  message)
-
-(def: $alt_error (_.var "alt_error"))
-
-(def: (pm-catch handler)
-  (-> Expression Expression)
-  (_.lambda (_.poly (list $alt_error))
-       (_.if (|> (@@ $alt_error) (_.eqv? pm-error))
-         handler
-         (_.raise (@@ $alt_error)))))
-
-(def: (translate-pattern-matching' translate pathP)
-  (-> (-> Synthesis (Meta Expression)) Path (Meta Expression))
-  (case pathP
-    (^code ("lux case exec" (~ bodyS)))
-    (do macro.Monad<Meta>
-      [bodyO (translate bodyS)]
-      (wrap bodyO))
-
-    (^code ("lux case pop"))
-    (meta/wrap pop-cursor!)
-
-    (^code ("lux case bind" (~ [_ (#.Nat register)])))
-    (meta/wrap (_.define (referenceT.variable register) (list) cursor-top))
-
-    (^template [<tag> <format> <=>]
-      [_ (<tag> value)]
-      (meta/wrap (_.when (|> value <format> (<=> cursor-top) _.not)
-                         fail-pm!)))
-    ([#.Bool _.bool _.eqv?]
-     [#.Nat  (<| _.int (:! Int)) _.=]
-     [#.Int  _.int _.=]
-     [#.Deg  (<| _.int (:! Int)) _.=]
-     [#.Frac _.float _.=]
-     [#.Text _.string _.eqv?])
-
-    (^template [<pm> <getter>]
-      (^code (<pm> (~ [_ (#.Nat idx)])))
-      (meta/wrap (push-cursor! (<getter> cursor-top (_.int (:! Int idx))))))
-    (["lux case tuple left" runtimeT.product//left]
-     ["lux case tuple right" runtimeT.product//right])
-
-    (^template [<pm> <flag>]
-      (^code (<pm> (~ [_ (#.Nat idx)])))
-      (meta/wrap (_.begin (list (_.set! $temp (runtimeT.sum//get cursor-top (_.int (:! Int idx)) <flag>))
-                                (_.if (_.null? (@@ $temp))
-                                  fail-pm!
-                                  (push-cursor! (@@ $temp)))))))
-    (["lux case variant left" _.nil]
-     ["lux case variant right" (_.string "")])
-
-    (^code ("lux case seq" (~ leftP) (~ rightP)))
-    (do macro.Monad<Meta>
-      [leftO (translate-pattern-matching' translate leftP)
-       rightO (translate-pattern-matching' translate rightP)]
-      (wrap (_.begin (list leftO
-                           rightO))))
-
-    (^code ("lux case alt" (~ leftP) (~ rightP)))
-    (do macro.Monad<Meta>
-      [leftO (translate-pattern-matching' translate leftP)
-       rightO (translate-pattern-matching' translate rightP)]
-      (wrap (_.with-exception-handler
-              (pm-catch (_.begin (list restore-cursor!
-                                       rightO)))
-              (_.lambda (_.poly (list))
-                   (_.begin (list save-cursor!
-                                  leftO))))))
-
-    _
-    (lang.throw Unrecognized-Path (%code pathP))
-    ))
-
-(def: (translate-pattern-matching translate pathP)
-  (-> (-> Synthesis (Meta Expression)) Path (Meta Expression))
-  (do macro.Monad<Meta>
-    [pattern-matching! (translate-pattern-matching' translate pathP)]
-    (wrap (_.with-exception-handler
-            (pm-catch (_.raise (_.string "Invalid expression for pattern-matching.")))
-            (_.lambda (_.poly (list))
-                 pattern-matching!)))))
-
-(def: (initialize-pattern-matching! stack-init)
-  (-> Expression Expression)
-  (_.begin (list (_.set! $cursor (_.list (list stack-init)))
-                 (_.set! $savepoint (_.list (list))))))
-
-(def: #export (translate-case translate valueS pathP)
-  (-> (-> Synthesis (Meta Expression)) Synthesis Path (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)
-     pattern-matching! (translate-pattern-matching translate pathP)]
-    (wrap (_.begin (list (initialize-pattern-matching! valueO)
-                         pattern-matching!)))))