delete_structs #13

Merged
scott merged 6 commits from delete_structs into main 2023-12-18 00:21:38 +00:00
8 changed files with 37 additions and 27 deletions

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@ -1,6 +1,6 @@
{ {
"name": "@ludus/ludus-js-pure", "name": "@ludus/ludus-js-pure",
"version": "0.1.0-alpha.7.6", "version": "0.1.0-alpha.7.7",
"description": "A Ludus interpreter in a pure JS function.", "description": "A Ludus interpreter in a pure JS function.",
"main": "target/js/ludus.js", "main": "target/js/ludus.js",
"directories": {}, "directories": {},

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@ -6,6 +6,8 @@
the_line (nth lines (dec line))] the_line (nth lines (dec line))]
the_line)) the_line))
(string/split-lines "abcd")
(defn get-underline [source {:keys [line start lexeme]} prefix] (defn get-underline [source {:keys [line start lexeme]} prefix]
(let [lines (string/split-lines source) (let [lines (string/split-lines source)
lines-before (subvec lines 0 (dec line)) lines-before (subvec lines 0 (dec line))
@ -37,3 +39,4 @@
(str "Ludus panicked on line " line ":\n" (get-line source {:line line}) "\n" message) (str "Ludus panicked on line " line ":\n" (get-line source {:line line}) "\n" message)
(str "Ludus panicked!\n" message) (str "Ludus panicked!\n" message)
)) ))

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@ -58,11 +58,11 @@
(quiet :rbrace) (quiet :rbrace)
]) ])
(defp struct-pattern group order-1 [(quiet :startstruct) ; (defp struct-pattern group order-1 [(quiet :startstruct)
(quiet (zero+ separator)) ; (quiet (zero+ separator))
(zero+ dict-pattern-entry) ; (zero+ dict-pattern-entry)
(quiet :rbrace) ; (quiet :rbrace)
]) ; ])
(defp guard order-0 [(quiet :if) simple]) (defp guard order-0 [(quiet :if) simple])
@ -75,7 +75,7 @@
:else :else
tuple-pattern tuple-pattern
dict-pattern dict-pattern
struct-pattern ;struct-pattern
list-pattern]) list-pattern])
(defp match-clause group weak-order [pattern (maybe guard) (quiet :rarrow) expression]) (defp match-clause group weak-order [pattern (maybe guard) (quiet :rarrow) expression])
@ -141,14 +141,15 @@
(defp pair group order-0 [:keyword non-binding]) (defp pair group order-0 [:keyword non-binding])
;; "struct-term" and "struct-entry" are necessary for nses
(defp struct-term flat choice [:word pair]) (defp struct-term flat choice [:word pair])
(defp struct-entry order-1 [struct-term separators]) (defp struct-entry order-1 [struct-term separators])
(defp struct-literal group order-1 [(quiet :startstruct) ; (defp struct-literal group order-1 [(quiet :startstruct)
(quiet (zero+ separator)) ; (quiet (zero+ separator))
(zero+ struct-entry) ; (zero+ struct-entry)
(quiet :rbrace)]) ; (quiet :rbrace)])
(defp dict-term flat choice [splat :word pair]) (defp dict-term flat choice [splat :word pair])
@ -230,7 +231,8 @@
(defp repeat-expr group order-1 [(quiet :repeat) (choice :times [:word :number]) block]) (defp repeat-expr group order-1 [(quiet :repeat) (choice :times [:word :number]) block])
(defp collection flat choice [struct-literal dict list-literal set-literal tuple]) (defp collection flat choice [;struct-literal
dict list-literal set-literal tuple])
(defp simple flat choice [literal collection synthetic recur-call lambda]) (defp simple flat choice [literal collection synthetic recur-call lambda])

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@ -442,7 +442,7 @@
(throw (ex-info (str "Struct error: no member at " kw) {:ast kw})))) (throw (ex-info (str "Struct error: no member at " kw) {:ast kw}))))
(get map kw)))))) (get map kw))))))
(defn- call-fn [lfn args ctx] (defn- call-fn [lfn args ctx from]
;(println "Calling function " (:name lfn)) ;(println "Calling function " (:name lfn))
(cond (cond
(= ::data/partial (first args)) (= ::data/partial (first args))
@ -452,7 +452,8 @@
(call-fn (call-fn
lfn lfn
(into [::data/tuple] (replace {::data/placeholder arg} (rest args))) (into [::data/tuple] (replace {::data/placeholder arg} (rest args)))
ctx))} ctx
from))}
(= (::data/type lfn) ::data/clj) (apply (:body lfn) (next args)) (= (::data/type lfn) ::data/clj) (apply (:body lfn) (next args))
@ -492,7 +493,7 @@
(interpret-ast body fn-ctx))) (interpret-ast body fn-ctx)))
(recur (first clauses) (rest clauses)))) (recur (first clauses) (rest clauses))))
(throw (ex-info (str "Match Error: No match found for " (show/show args) " in function " (:name lfn)) {:ast (:ast lfn)}))))) (throw (ex-info (str "Match Error: No match found for " (show/show args) " in function " (:name lfn)) {:ast from})))))
(keyword? lfn) (keyword? lfn)
(if (= 2 (count args)) (if (= 2 (count args))
@ -531,7 +532,7 @@
(throw (ex-info (str "Namespace error: no member " (:value curr) " in ns " (::data/name prev-value)) {:ast curr})) (throw (ex-info (str "Namespace error: no member " (:value curr) " in ns " (::data/name prev-value)) {:ast curr}))
(throw (ex-info (str "Struct error: no member " (:value curr)) {:ast curr})))) (throw (ex-info (str "Struct error: no member " (:value curr)) {:ast curr}))))
(get prev-value (first data))) (get prev-value (first data)))
(call-fn prev-value (interpret-args data ctx) ctx)))) (call-fn prev-value (interpret-args data ctx) ctx curr))))
(defn- interpret-synthetic [ast ctx] (defn- interpret-synthetic [ast ctx]
;;(println "interpreting synthetic " ast) ;;(println "interpreting synthetic " ast)
@ -606,7 +607,7 @@
(let [data (:data ast) (let [data (:data ast)
root (interpret-ast (first data) ctx) root (interpret-ast (first data) ctx)
fns (rest data)] fns (rest data)]
(reduce #(call-fn (interpret-ast %2 ctx) [::data/tuple %1] ctx) root fns))) (reduce #(call-fn (interpret-ast %2 ctx) [::data/tuple %1] ctx ast) root fns)))
(defn- map-values [f] (defn- map-values [f]
(map (fn [kv] (map (fn [kv]
@ -773,9 +774,9 @@
:pair (let [data (:data member) k (-> data first :data first) v (second data)] :pair (let [data (:data member) k (-> data first :data first) v (second data)]
(assoc struct k (interpret-ast v ctx)))))) (assoc struct k (interpret-ast v ctx))))))
(defn- interpret-struct [ast ctx] ; (defn- interpret-struct [ast ctx]
(let [members (:data ast)] ; (let [members (:data ast)]
(assoc (reduce (struct-term ctx) {} members) ::data/struct true))) ; (assoc (reduce (struct-term ctx) {} members) ::data/struct true)))
(defn- ns-term [ctx] (defn- ns-term [ctx]
(fn [ns member] (fn [ns member]
@ -882,8 +883,8 @@
:dict (interpret-dict ast ctx) :dict (interpret-dict ast ctx)
:struct-literal ; :struct-literal
(interpret-struct ast ctx) ; (interpret-struct ast ctx)
(throw (ex-info (str "Unknown AST node type " (get ast :type :err) " on line " (get-in ast [:token :line])) {:ast ast})))) (throw (ex-info (str "Unknown AST node type " (get ast :type :err) " on line " (get-in ast [:token :line])) {:ast ast}))))

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@ -33,7 +33,9 @@
(defn run [source] (defn run [source]
(let [user_scanned (s/scan source) (let [user_scanned (s/scan source)
user_tokens (:tokens user_scanned) user_tokens (:tokens user_scanned)
_ (println "Tokens: " user_tokens)
user_parsed (p/apply-parser g/script user_tokens) user_parsed (p/apply-parser g/script user_tokens)
_ (println "Ast: " (i/prettify-ast user_parsed))
user_result (i/interpret-safe source user_parsed {}) user_result (i/interpret-safe source user_parsed {})
result_str (show/show user_result) result_str (show/show user_result)
post_scanned (s/scan pre/postlude) post_scanned (s/scan pre/postlude)
@ -57,3 +59,4 @@
(clean-out clj_result) (clean-out clj_result)
) )
)) ))

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@ -920,7 +920,7 @@ fn assert! {
& some basic colors & some basic colors
&&& TODO: add colors &&& TODO: add colors
let colors = @{ let colors = #{
:white (255, 255, 255, 255) :white (255, 255, 255, 255)
:light_gray (150, 150, 150, 255) :light_gray (150, 150, 150, 255)
:dark_gray (50, 50, 50, 255) :dark_gray (50, 50, 50, 255)

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@ -281,10 +281,10 @@
(add-token (advance scanner) :startset) (add-token (advance scanner) :startset)
(add-error scanner (str "Expected beginning of set: ${. Got " char next))) (add-error scanner (str "Expected beginning of set: ${. Got " char next)))
;; struct @{ ;; struct @{: Deleted from the language in December 2023
\@ (if (= next \{) ; \@ (if (= next \{)
(add-token (advance scanner) :startstruct) ; (add-token (advance scanner) :startstruct)
(add-error scanner (str "Expected beginning of struct: @{. Got " char next))) ; (add-error scanner (str "Expected beginning of struct: @{. Got " char next)))
;; placeholders ;; placeholders
;; there's a flat _, and then ignored words ;; there's a flat _, and then ignored words

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@ -0,0 +1 @@
51500