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-rw-r--r--new-luxc/source/luxc/synthesizer.lux278
1 files changed, 238 insertions, 40 deletions
diff --git a/new-luxc/source/luxc/synthesizer.lux b/new-luxc/source/luxc/synthesizer.lux
index 6acd2a0a2..04a699993 100644
--- a/new-luxc/source/luxc/synthesizer.lux
+++ b/new-luxc/source/luxc/synthesizer.lux
@@ -1,45 +1,243 @@
(;module:
lux
- (lux (control monad)
- (data text/format
- (coll [list "L/" Functor<List>]))
- [macro #+ Monad<Lux>])
+ (lux (data (coll [list "L/" Functor<List>])))
(luxc ["&" base]
- (lang ["la" analysis #+ Analysis]
- ["ls" synthesis #+ Synthesis])
- ["&;" analyser]))
+ (lang ["la" analysis]
+ ["ls" synthesis])
+ ## (synthesizer ["&&;" case])
+ ))
+
+## (do-template [<name> <comp>]
+## [(def: (<name> ref)
+## (-> Int Bool)
+## (<comp> 0 ref))]
+
+## [function-ref? i.=]
+## [local-ref? i.>]
+## [captured-ref? i.<]
+## )
+
+(def: (unfold-tuple tuple)
+ (-> la;Analysis (List la;Analysis))
+ (case tuple
+ (#la;Product left right)
+ (#;Cons left (unfold-tuple right))
+
+ _
+ (list tuple)))
+
+(def: (unfold-apply apply)
+ (-> la;Analysis [la;Analysis (List la;Analysis)])
+ (loop [apply apply
+ args (list)]
+ (case apply
+ (#la;Apply arg func)
+ (recur func (#;Cons arg args))
+
+ _
+ [apply args])))
+
+(def: (unfold-variant variant)
+ (-> (Either la;Analysis la;Analysis) [Nat Bool la;Analysis])
+ (loop [so-far +0
+ variantA variant]
+ (case variantA
+ (#;Left valueA)
+ (case valueA
+ (#la;Sum choice)
+ (recur (n.inc so-far) choice)
+
+ _
+ [so-far false valueA])
+
+ (#;Right valueA)
+ [(n.inc so-far) true valueA])))
+
+## (def: (has-self-reference? exprS)
+## (-> ls;Synthesis Bool)
+## (case exprS
+## (#ls;Tuple membersS)
+## (list;any? has-self-reference? membersS)
+
+## (#ls;Procedure name argsS)
+## (list;any? has-self-reference? argsS)
+
+## (#ls;Variant tag last? memberS)
+## (has-self-reference? memberS)
+
+## (#ls;Relative idx)
+## (i.= 0 idx)
+
+## (#ls;Recur offset argsS)
+## (list;any? has-self-reference? argsS)
+
+## (#ls;Call funcS argsS)
+## (or (has-self-reference? funcS)
+## (list;any? has-self-reference? argsS))
+
+## (#ls;Let register inputS bodyS)
+## (or (has-self-reference? inputS)
+## (has-self-reference? bodyS))
+
+## (#ls;If inputS thenS elseS)
+## (or (has-self-reference? inputS)
+## (has-self-reference? thenS)
+## (has-self-reference? elseS))
+
+## (#ls;Function num-args scope bodyS)
+## (not (list;any? (i.= 0) scope))
+
+## (#ls;Loop offset argsS bodyS)
+## (or (list;any? has-self-reference? argsS)
+## (has-self-reference? bodyS))
+
+## _
+## false
+## ))
+
+## (def: (shift-loop-variables scope offset exprS)
+## (-> (List Int) Nat ls;Synthesis ls;Synthesis)
+## (loop [exprS exprS]
+## (case exprS
+## (#ls;Tuple members)
+## (#ls;Tuple (L/map recur members))
+
+## (#ls;Procedure name argsS)
+## (#ls;Procedure name (L/map recur argsS))
+
+## (#ls;Variant tag last? valueS)
+## (#ls;Variant tag last? (recur valueS))
+
+## (#ls;Relative idx)
+## (if (captured-ref? idx)
+## (let [scope-idx (|> idx (n.+ 1) (n.* -1) int-to-nat)]
+## (|> scope (list;nth scope-idx) assume #ls;Relative))
+## (#ls;Relative (i.+ idx (nat-to-int offset))))
+
+## (#ls;Recur _offset argsS)
+## (#ls;Recur (n.+ offset _offset) (L/map recur argsS))
+
+## (#ls;Call funcS argsS)
+## (#ls;Call (recur funcS) (L/map recur argsS))
+
+## (#ls;Let register inputS bodyS)
+## (#ls;Let (n.+ offset register) (recur inputS) (recur bodyS))
+
+## (#ls;If inputS thenS elseS)
+## (#ls;If (recur inputS) (recur thenS) (recur elseS))
+
+## (#ls;Function _num-args _scope _bodyS)
+## ...
+
+## (#ls;Loop _offset _argsS _bodyS)
+## (#ls;Loop (n.+ offset _offset) (L/map recur _argsS) (recur _bodyS))
+
+## _
+## exprS
+## )))
(def: #export (synthesize analysis)
- (-> Analysis Synthesis)
- (case analysis
- (^template [<from> <to>]
- (<from> value)
- (<to> value))
- ([#la;Bool #ls;Bool]
- [#la;Nat #ls;Nat]
- [#la;Int #ls;Int]
- [#la;Deg #ls;Deg]
- [#la;Real #ls;Real]
- [#la;Char #ls;Char]
- [#la;Text #ls;Text]
- [#la;Relative #ls;Relative]
- [#la;Absolute #ls;Absolute])
-
- (#la;Tuple values)
- (#ls;Tuple (L/map synthesize values))
-
- (#la;Variant tag last? value)
- (undefined)
-
- (#la;Case input matches)
- (undefined)
-
- (#la;Function scope body)
- (undefined)
-
- (#la;Apply arg func)
- (undefined)
-
- (#la;Procedure name args)
- (#ls;Procedure name (L/map synthesize args))
- ))
+ (-> la;Analysis ls;Synthesis)
+ (loop [num-args +0
+ local-offset +0
+ tail? true
+ exprA analysis]
+ (case exprA
+ (^template [<from> <to>]
+ (<from> value)
+ (<to> value))
+ ([#la;Unit #ls;Unit]
+ [#la;Bool #ls;Bool]
+ [#la;Nat #ls;Nat]
+ [#la;Int #ls;Int]
+ [#la;Deg #ls;Deg]
+ [#la;Real #ls;Real]
+ [#la;Char #ls;Char]
+ [#la;Text #ls;Text]
+ [#la;Absolute #ls;Absolute])
+
+ (#la;Product _)
+ (#ls;Tuple (L/map (recur +0 local-offset false) (unfold-tuple exprA)))
+
+ (#la;Sum choice)
+ (let [[tag last? value] (unfold-variant choice)]
+ (#ls;Variant tag last? (recur +0 local-offset false value)))
+
+ (#la;Apply _)
+ (let [[funcA argsA] (unfold-apply exprA)
+ funcS (recur +0 local-offset false funcA)
+ argsS (L/map (recur +0 local-offset false) argsA)]
+ (case funcS
+ ## (^multi (#ls;Relative idx)
+ ## (and (|> num-args n.dec nat-to-int (i.* -1) (i.= idx))
+ ## tail?))
+ ## (#ls;Recur +1 argsS)
+
+ ## (^multi (#ls;Function _num-args _scope _bodyS)
+ ## (and (n.= _num-args (list;size argsS))
+ ## (not (has-self-reference? _bodyS))))
+ ## (#ls;Loop local-offset argsS (shift-loop-variables local-offset _bodyS))
+
+ _
+ (#ls;Call funcS argsS)))
+
+ (#la;Procedure name args)
+ (#ls;Procedure name (L/map (recur +0 local-offset false) args))
+
+ _
+ (undefined)
+
+ ## (#la;Relative ref)
+ ## (case ref
+ ## (#;Local local)
+ ## (case local
+ ## +0
+ ## (if (n.> +1 num-args)
+ ## (<| (#ls;Call (#ls;Relative 0))
+ ## (L/map (|>. #ls;Relative))
+ ## (list;range +1 (n.dec num-args)))
+ ## (#ls;Relative 0))
+
+ ## _
+ ## (#ls;Relative (nat-to-int (n.+ (n.inc num-args) local))))
+
+ ## (#;Captured captured)
+ ## (#ls;Relative (|> captured nat-to-int (n.* -1) (n.+ -1))))
+
+ ## (#la;Function scope bodyA)
+ ## (case (recur (n.inc num-args) local-offset true bodyA)
+ ## (#ls;Function num-args' scope' bodyS')
+ ## (#ls;Function (n.inc num-args') scope bodyS')
+
+ ## bodyS
+ ## (#ls;Function +1 scope bodyS))
+
+ ## (#la;Case inputA branchesA)
+ ## (let [inputS (recur num-args local-offset false inputA)]
+ ## (case branchesA
+ ## (^multi (^ (list [(#lp;Bind input-register)
+ ## (#la;Relative (#;Local output-register))]))
+ ## (n.= input-register output-register))
+ ## inputS
+
+ ## (^ (list [(#lp;Bind register) bodyA]))
+ ## (#ls;Let register inputS (recur num-args local-offset tail? bodyA))
+
+ ## (^or (^ (list [(#lp;Bool true) thenA] [(#lp;Bool false) elseA]))
+ ## (^ (list [(#lp;Bool false) elseA] [(#lp;Bool true) thenA])))
+ ## (#ls;If inputS
+ ## (recur num-args local-offset tail? thenA)
+ ## (recur num-args local-offset tail? elseA))
+
+ ## (#;Cons [headP headA] tailPA)
+ ## (let [headP+ (|> (recur num-args local-offset tail? headA)
+ ## #ls;ExecP
+ ## (#ls;SeqP (&&case;path headP)))
+ ## tailP+ (L/map (function [[pattern bodyA]]
+ ## (|> (recur num-args local-offset tail? bodyA)
+ ## #ls;ExecP
+ ## (#ls;SeqP (&&case;path pattern))))
+ ## tailPA)]
+ ## (#ls;Case inputS (&&case;weave-paths headP+ tailP+)))
+ ## ))
+ )))
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 13:07:04 +0000