janet/base.janet

@@ -44,7 +44,7 @@
     :dict (dict-str value)
     :set
       (string/join (map stringify (keys value)) ", ")
-    :box (stringify (value :^value))
+    :ref (stringify (value :^value))
     :fn (string "fn " (value :name))
     :applied (string "fn " (value :name))
     :function (string "builtin " (string value))
@@ -68,7 +68,7 @@
     :list (string "[" (stringify x) "]")
     :dict (string "#{" (stringify x) "}")
     :set (string "${" (stringify x) "}")
-    :box (string "box " (x :name) " [ " (stringify x) " ]")
+    :ref (string "box " (x :name) " [ " (stringify x) " ]")
     :pkg (show-pkg x)
     (stringify x)))
 

janet/errors.janet

@@ -1,34 +1,10 @@
 (import spork/json :as j)
 (import /base :as b)
 
-(defn- get-line [source line]
- ((string/split "\n" source) (dec line)))
-
 (defn scan-error [e out] (set (out :errors) e) (j/encode out))
 
-(defn parse-error [e] 
- (def msg (e :msg))
- (def line-num (get-in e [:token :line]))
- (def source (get-in e [:token :source]))
- (def source-line (get-line source line-num))
- (print "Parsing error: " msg)
- (print "On line " line-num ":")
- (print source-line))
+(defn parse-error [e out] (set (out :errors) e) (j/encode out))
 
-
-(defn validation-error [e]
- (def msg (e :msg))
- (def line-num (get-in e [:node :token :line]))
- (def source (get-in e [:node :token :source]))
- (def source-line (get-line source line-num))
- (case msg
-  "unbound name"
-  (do
-   (print "Validation error: " msg " " (get-in e [:node :data]))
-   (print "on line " line-num)
-   (print source-line)
-  )
- )
-)
+(defn validation-error [e out] (set (out :errors) e) (j/encode out))
 
 (defn runtime-error [e out] (set (out :errors) e) (j/encode out))

janet/interpreter.janet

@@ -340,7 +340,7 @@
 (defn- ref [ast ctx]
   (def {:data value-ast :name name} ast)
   (def value (interpret value-ast ctx))
-  (def box @{:^type :box :^value value :name name})
+  (def box @{:^type :ref :^value value :name name})
   (set (ctx name) box)
   box)
 

janet/ludus.janet

@@ -16,16 +16,16 @@ The API from the old Clojure Ludus interpreter returns an object with four field
  * `errors`: an array of errors, which are just strings
 
 This new scene will have to return a JSON POJSO:
-{:console "..." :result "..." :draw [...] :errors [...]}
+{:console [...] :result "..." :draw [...] :errors [...]}
 )
 
-(def prelude-src (slurp "prelude.ld"))
-(def prelude-scanned (s/scan prelude-src))
-(def prelude-parsed (p/parse prelude-scanned))
-(def parse-errors (prelude-parsed :errors))
-(when (any? parse-errors) (each err parse-errors (e/parse-error err)))
-(def prelude-validated (v/valid prelude-parsed @{"base" b/base}))
-(each err (prelude-validated :errors) (e/validation-error err))
+(def console @"")
+(setdyn :out console)
+(print "foo")
+(pp {:a 1 :b 2})
+(setdyn :out stdout)
+(print "collected out")
+(print console)
 
 (defn run [source]
  (def errors @[])
@@ -44,7 +44,7 @@ This new scene will have to return a JSON POJSO:
   (break (-> :errors validated (e/validation-error out))))
  (setdyn :out console)
  (try
-  (set result (b/show (i/interpret (parsed :ast) @{:^parent b/base})))
+  (set result (b/show (i/interpret (parsed :ast) @{})))
   ([err] (e/runtime-error err out)))
  (set (out :result) result)
  (j/encode out))
@@ -56,7 +56,7 @@ This new scene will have to return a JSON POJSO:
  (run source))
 
 (def source `
-let foo = fn () -> :bar
+ fn foo () -> :foo
  foo ()
 `)
 

janet/parser.janet

@@ -1,7 +1,7 @@
 ### A recursive descent parser for Ludus
 
 ### We still need to scan some things
-(try (os/cd "janet") ([_] nil)) # when in repl to do relative imports
+# (try (os/cd "janet") ([_] nil)) # when in repl to do relative imports
 (import ./scanner :as s)
 
 (defmacro declare
@@ -773,7 +773,7 @@
 (defn- lambda [parser]
  (def origin (current parser))
  (expect parser :fn) (advance parser)
- @{:type :fn :data ((fn-simple parser) :clauses) :token origin})
+ @{:type :fn :data (fn-simple parser) :token origin})
 
 (defn- fnn [parser]
  (if (= :lparen (-> parser peek type)) (break (lambda parser)))
@@ -1104,7 +1104,6 @@
  (def origin (current parser))
  (def lines @[])
  (while (not (check parser :eof))
-  (accept-many parser :newline)
   (array/push lines (capture toplevel parser))
   (capture terminator parser))
  {:type :script :data lines :token origin})
@@ -1117,10 +1116,10 @@
 
 # (do
 (comment
-(def source `fn () -> 42
+(def source `pkg Foo {}
 `)
 (def scanned (s/scan source))
 # (print "\n***NEW PARSE***\n")
 (def a-parser (new-parser scanned))
-(def parsed (fnn a-parser))
+(def parsed (pkg a-parser))
 )

janet/validate.janet

@@ -173,7 +173,7 @@ Deferred until a later iteration of Ludus:
  :dict
  :list
  :fn
- :box
+ :ref
  :pkg
 ])
 
@@ -296,7 +296,7 @@ Deferred until a later iteration of Ludus:
 (defn- fnn [validator]
  (def ast (validator :ast))
  (def name (ast :name))
- (print "function name: " name)
+ # (print "function name: " name)
  (def status (validator :status))
  (def tail? (status :tail))
  (set (status :tail) true)