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(ns lang
(:require (lang [lexer :as &lexer]
[parser :as &parser]
[type :as &type]
[analyser :as &analyser]
[compiler :as &compiler])
:reload))
(comment
;; TODO: Add macros.
;; TODO: Re-implement compiler in language.
;; TODO: Add signatures & structures OR type-classes.
;; TODO: Add type-level computations.
;; TODO: Add thunks.
;; TODO: Do tail-call optimization.
;; TODO: Adding metadata to global vars.
;; TODO: Add records.
;; TODO: throw, try, catch, finally
;; TODO: Finish implementing pattern matching.
;; TODO: Tuple8 and Tuple8X (for arbitrary-size tuples).
;; TODO: Add extra arities (apply2, apply3, ..., apply16)
;; TODO: When doing partial application, skip "apply" and just call constructor appropiatedly.
;; TODO: Add "new". Allow setting fields.
;; TODO: Don't take into account newlines in strings unless they come from \n to allow better coding.
;; TODO:
;; TODO:
;; TODO:
;; TODO:
(let [source-code (slurp "test2.lang")
tokens (&lexer/lex source-code)
;; _ (prn 'tokens tokens)
syntax (&parser/parse tokens)
;; _ (prn 'syntax syntax)
ann-syntax (&analyser/analyse "test2" syntax)
;; _ (prn 'ann-syntax ann-syntax)
class-data (&compiler/compile "test2" ann-syntax)
;; _ (prn 'class-data class-data)
]
(with-open [stream (java.io.BufferedOutputStream. (java.io.FileOutputStream. "test2.class"))]
(.write stream class-data)))
;; jar cvf test2.jar *.class test2 && java -cp "test2.jar" test2
)
(comment
;; (let [branches '([::&parser/case-branch [::&parser/variant "Cons" ([::&parser/variant "Symbol" ([::&parser/string "~"])] [::&parser/variant "Cons" ([::&parser/ident "unquoted"] [::&parser/variant "Nil" ()])])] [::&parser/variant "Cons" ([::&parser/ident "unquoted"] [::&parser/fn-call [::&parser/ident "template"] ([::&parser/ident "tail"])])]]
;; [::&parser/case-branch [::&parser/variant "Cons" ([::&parser/variant "Symbol" ([::&parser/string "~@"])] [::&parser/variant "Cons" ([::&parser/ident "spliced"] [::&parser/variant "Nil" ()])])] [::&parser/variant "Cons" ([::&parser/variant "Symbol" ([::&parser/string "++"])] [::&parser/variant "Cons" ([::&parser/ident "spliced"] [::&parser/fn-call [::&parser/ident "template"] ([::&parser/ident "tail"])])])]]
;; [::&parser/case-branch [::&parser/ident "_"] [::&parser/variant "Cons" ([::&parser/ident "head"] [::&parser/fn-call [::&parser/ident "template"] ([::&parser/ident "tail"])])]])
;; ;; Step 1: Get all vars
;; get-vars (fn get-vars [pattern]
;; (clojure.core.match/match pattern
;; [::&parser/ident ?name]
;; (list ?name)
;; [::&parser/variant ?tag ?members]
;; (mapcat get-vars ?members)
;; [::&parser/string ?text]
;; '()))
;; vars+body (for [branch branches]
;; (clojure.core.match/match branch
;; [::&parser/case-branch ?pattern ?body]
;; [(get-vars ?pattern) ?body]))
;; ;; _ (prn 'vars+body vars+body)
;; max-registers (reduce max 0 (map (comp count first) vars+body))
;; ;; _ (prn 'max-registers max-registers)
;; ;; Step 2: Analyse bodies
;; ;; all-analysis (map (fn [[vars body]]
;; ;; (reduce #(with-local %2 [::&type/object "java.lang.Object" []] %1)
;; ;; (analyse-form* body)
;; ;; (reverse vars)))
;; ;; vars+body)
;; ;; Step 3: Extract bodies
;; [_ branch-mappings branches*] (reduce (fn [[$link links branches*] branch]
;; (clojure.core.match/match branch
;; [::&parser/case-branch ?pattern ?body]
;; [(inc $link) (assoc links $link ?body) (conj branches* [::&parser/case-branch ?pattern $link])]))
;; [0 {} []]
;; branches)
;; ;; Step 4: Pattens -> Instructions
;; ;; ->instructions (fn ->instructions [locals pattern]
;; ;; (clojure.core.match/match pattern
;; ;; [::&parser/variant ?tag ?members]
;; ;; [::pm-variant ?tag (map (partial ->instructions locals) ?members)]
;; ;; [::&parser/ident ?name]
;; ;; [::pm-local (get locals ?name)]
;; ;; [::&parser/string ?text]
;; ;; [::pm-text ?text]
;; ;; ))
;; ;; $scope 0 ;; scope-id
;; ;; $local 11 ;; next-local-idx
;; ;; branches** (for [[branch branch-vars] (map vector branches* (map first vars+body))
;; ;; :let [[_ locals] (reduce (fn [[$local =locals] $var]
;; ;; [(inc $local) (assoc =locals $var [::local $scope $local])])
;; ;; [$local {}] branch-vars)]]
;; ;; (clojure.core.match/match branch
;; ;; [::&parser/case-branch ?pattern ?body]
;; ;; [(->instructions locals ?pattern) ?body]))
;; ;; _ (prn branches**)
;; ;; Step 5: Re-structure branching
;; ]
;; ;; [branch-mappings branches**]
;; branches*)
;; (let [data '([[:lang/pm-variant "Cons" ([:lang/pm-variant "Symbol" ([:lang/pm-text "~"])] [:lang/pm-variant "Cons" ([:lang/pm-local [:lang/local 0 11]] [:lang/pm-variant "Nil" ()])])] 0]
;; [[:lang/pm-variant "Cons" ([:lang/pm-variant "Symbol" ([:lang/pm-text "~@"])] [:lang/pm-variant "Cons" ([:lang/pm-local [:lang/local 0 11]] [:lang/pm-variant "Nil" ()])])] 1]
;; [[:lang/pm-local [:lang/local 0 11]] 2])
;; classify-outer (fn [struct [branch $body]]
;; (clojure.core.match/match branch
;; [::pm-variant ?tag ?members]
;; (update-in struct [:cases ?tag] conj {:members ?members
;; :body $body})
;; [::pm-text ?text]
;; (update-in struct [:tests] conj {:test [::text ?text]
;; :body $body})
;; [::pm-local ?binding]
;; (assoc struct :default {:storage ?binding
;; :body $body})))
;; outer-classification (reduce classify-outer
;; {:cases {}
;; :tests '()
;; :default nil}
;; data)
;; full-classifier (fn full-classifier [global]
;; (prn 'full-classifier global)
;; (let [subcases (:cases global)]
;; (if (empty? subcases)
;; global
;; (let [crossed (sort (fn [x1 x2] (> (-> x1 second :cases count) (-> x2 second :cases count)))
;; (for [[tag subs] subcases
;; :let [_ (prn 'subcases tag subs)]
;; :let [parts (for [cross (apply map list (map :members subs))
;; :let [_ (prn 'cross tag cross)]
;; ;; :let [_ (prn '(map :body subs) (map :body subs))]
;; ;; :let [_ (prn (class cross) (count cross)
;; ;; (class (map :body subs)) (count (map :body subs)))]
;; :let [cross+ (map vector cross (map :body subs))]
;; ;; :let [_ (prn 'cross+ tag (class cross+) (count cross+))]
;; ;; :let [_ (prn 'cross+ tag cross+)]
;; :let [cross++ (reduce classify-outer
;; {:cases {}
;; :tests '()
;; :default nil}
;; cross+)]
;; ;; :let [_ (prn 'cross++ tag cross++)]
;; ]
;; cross++)]
;; :let [_ (prn 'parts parts)]]
;; [tag parts]))
;; ]
;; (assoc global :cases (reduce (fn [tree [tag subcases]]
;; (update-in tree [tag] #(conj (or % []) (full-classifier subcases))))
;; {}
;; crossed))))))]
;; (full-classifier outer-classification))
)
(comment
[{2 [:lang.parser/variant "Cons" ([:lang.parser/ident "head"] [:lang.parser/fn-call [:lang.parser/ident "template"] ([:lang.parser/ident "tail"])])],
1 [:lang.parser/variant "Cons" ([:lang.parser/variant "Symbol" ([:lang.parser/string "++"])] [:lang.parser/variant "Cons" ([:lang.parser/ident "spliced"] [:lang.parser/fn-call [:lang.parser/ident "template"] ([:lang.parser/ident "tail"])])])],
0 [:lang.parser/variant "Cons" ([:lang.parser/ident "unquoted"] [:lang.parser/fn-call [:lang.parser/ident "template"] ([:lang.parser/ident "tail"])])]}
{:type :lang/adt*,
:patterns {"Cons" ({:type :lang/adt*,
:patterns {"Symbol" ({:type :lang/text-tests,
:patterns {"~@" #{1},
"~" #{0}},
:defaults [],
:branches #{0 1}})},
:default nil,
:branches #{0 1}}
{:type :lang/adt*,
:patterns {"Cons" ({:type :lang/defaults,
:stores {[:lang/local 0 11] #{0 1}},
:branches #{0 1}}
{:type :lang/adt*,
:patterns {"Nil" ()},
:default nil,
:branches #{0 1}})},
:default nil,
:branches #{0 1}})},
:default [:lang/default [:lang/local 0 11] 2],
:branches #{0 1 2}}]
(let [data '([[:lang/pm-variant "Cons" ([:lang/pm-variant "Symbol" ([:lang/pm-text "~"])] [:lang/pm-variant "Cons" ([:lang/pm-local [:lang/local 0 11]] [:lang/pm-variant "Nil" ()])])] 0]
[[:lang/pm-variant "Cons" ([:lang/pm-variant "Symbol" ([:lang/pm-text "~@"])] [:lang/pm-variant "Cons" ([:lang/pm-local [:lang/local 0 11]] [:lang/pm-variant "Nil" ()])])] 1]
[[:lang/pm-local [:lang/local 0 11]] 2])
]
(generate-branches data))
;; (def (workday? d)
;; (case d
;; (or [#Monday #Tuesday #Wednesday #Thursday #Friday]
;; true)
;; (or [#Saturday #Sunday]
;; false)))
)
|
