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(.module:
[lux (#- i64 Scope)
[control [monad (#+ do)]]
[data
[error (#+ Error)]
[collection ["dict" dictionary (#+ Dictionary)]]]]
["." //
[analysis (#+ Environment Arity Analysis)]
[extension (#+ Extension)]
[//
[reference (#+ Register Variable Reference)]]])
(type: #export Resolver (Dictionary Variable Variable))
(type: #export State
{#scope-arity Arity
#resolver Resolver
#direct? Bit
#locals Nat})
(def: #export fresh-resolver
Resolver
(dict.new reference.Hash<Variable>))
(def: #export init
State
{#scope-arity +0
#resolver fresh-resolver
#direct? #0
#locals +0})
(type: #export Primitive
(#Bit Bit)
(#I64 I64)
(#F64 Frac)
(#Text Text))
(type: #export (Structure a)
(#Variant (analysis.Variant a))
(#Tuple (analysis.Tuple a)))
(type: #export Side
(Either Nat Nat))
(type: #export Member
(Either Nat Nat))
(type: #export Access
(#Side Side)
(#Member Member))
(type: #export (Path' s)
#Pop
(#Test Primitive)
(#Access Access)
(#Bind Register)
(#Alt (Path' s) (Path' s))
(#Seq (Path' s) (Path' s))
(#Then s))
(type: #export (Abstraction' s)
{#environment Environment
#arity Arity
#body s})
(type: #export (Branch s)
(#Case s (Path' s))
(#Let s Register s)
(#If s s s))
(type: #export (Scope s)
{#start Register
#inits (List s)
#iteration s})
(type: #export (Loop s)
(#Scope (Scope s))
(#Recur (List s)))
(type: #export (Function s)
(#Abstraction (Abstraction' s))
(#Apply s (List s)))
(type: #export (Control s)
(#Branch (Branch s))
(#Loop (Loop s))
(#Function (Function s)))
(type: #export #rec Synthesis
(#Primitive Primitive)
(#Structure (Structure Synthesis))
(#Reference Reference)
(#Control (Control Synthesis))
(#Extension (Extension Synthesis)))
(type: #export Operation
(extension.Operation ..State Analysis Synthesis))
(type: #export Compiler
(extension.Compiler ..State Analysis Synthesis))
(type: #export Path
(Path' Synthesis))
(def: #export path/pop
Path
#Pop)
(do-template [<name> <tag>]
[(template: #export (<name> content)
(#..Test (<tag> content)))]
[path/bit #..Bit]
[path/i64 #..I64]
[path/f64 #..F64]
[path/text #..Text]
)
(do-template [<name> <kind>]
[(template: #export (<name> content)
(.<| #..Access
<kind>
content))]
[path/side #..Side]
[path/member #..Member]
)
(do-template [<name> <kind> <side>]
[(template: #export (<name> content)
(.<| #..Access
<kind>
<side>
content))]
[side/left #..Side #.Left]
[side/right #..Side #.Right]
[member/left #..Member #.Left]
[member/right #..Member #.Right]
)
(do-template [<name> <tag>]
[(template: #export (<name> content)
(<tag> content))]
[path/alt #..Alt]
[path/seq #..Seq]
[path/then #..Then]
)
(type: #export Abstraction
(Abstraction' Synthesis))
(def: #export unit Text "")
(do-template [<name> <value>]
[(def: #export <name>
(All [a] (-> (Operation a) (Operation a)))
(extension.temporary (set@ #direct? <value>)))]
[indirectly #0]
[directly #1]
)
(do-template [<name> <type> <tag>]
[(def: #export (<name> value)
(-> <type> (All [a] (-> (Operation a) (Operation a))))
(extension.temporary (set@ <tag> value)))]
[with-scope-arity Arity #scope-arity]
[with-resolver Resolver #resolver]
[with-locals Nat #locals]
)
(def: #export (with-abstraction arity resolver)
(-> Arity Resolver
(All [a] (-> (Operation a) (Operation a))))
(extension.with-state {#scope-arity arity
#resolver resolver
#direct? #1
#locals arity}))
(do-template [<name> <tag> <type>]
[(def: #export <name>
(Operation <type>)
(extension.read (get@ <tag>)))]
[scope-arity #scope-arity Arity]
[resolver #resolver Resolver]
[direct? #direct? Bit]
[locals #locals Nat]
)
(def: #export with-new-local
(All [a] (-> (Operation a) (Operation a)))
(<<| (do //.Monad<Operation>
[locals ..locals])
(..with-locals (inc locals))))
(do-template [<name> <tag>]
[(template: #export (<name> content)
(#..Primitive (<tag> content)))]
[bit #..Bit]
[i64 #..I64]
[f64 #..F64]
[text #..Text]
)
(do-template [<name> <tag>]
[(template: #export (<name> content)
(<| #..Structure
<tag>
content))]
[variant #..Variant]
[tuple #..Tuple]
)
(do-template [<name> <tag>]
[(template: #export (<name> content)
(.<| #..Reference
<tag>
content))]
[variable/local reference.local]
[variable/foreign reference.foreign]
)
(do-template [<name> <tag>]
[(template: #export (<name> content)
(.<| #..Reference
<tag>
content))]
[variable reference.variable]
[constant reference.constant]
)
(do-template [<name> <family> <tag>]
[(template: #export (<name> content)
(.<| #..Control
<family>
<tag>
content))]
[branch/case #..Branch #..Case]
[branch/let #..Branch #..Let]
[branch/if #..Branch #..If]
[loop/scope #..Loop #..Scope]
[loop/recur #..Loop #..Recur]
[function/abstraction #..Function #..Abstraction]
[function/apply #..Function #..Apply]
)
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