diff options
Diffstat (limited to 'stdlib/source/lux/host.js.lux')
-rw-r--r-- | stdlib/source/lux/host.js.lux | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/stdlib/source/lux/host.js.lux b/stdlib/source/lux/host.js.lux new file mode 100644 index 000000000..f935dc8d6 --- /dev/null +++ b/stdlib/source/lux/host.js.lux @@ -0,0 +1,83 @@ +(;module: + lux + (lux (control monad) + (data (coll [list #* "L/" Fold<List>])) + [compiler #+ with-gensyms] + (macro [ast] + ["s" syntax #+ syntax: Syntax]) + )) + +(do-template [<name> <type>] + [(type: #export <name> (#;HostT <type> #;Nil))] + + [Object "object"] + [Function "function"] + [Symbol "symbol"] + [Undefined "undefined"] + ) + +(do-template [<name> <type>] + [(type: #export <name> <type>)] + + [String Text] + [Number Real] + [Boolean Bool] + ) + +## [Syntax] +(syntax: #export (set! field-name field-value object) + {#;doc (doc "A way to set fields from objects." + (set! "foo" 1234 some-object))} + (wrap (list (` (;_lux_proc ["js" "set-field"] [(~ object) (~ field-name) (~ field-value)]))))) + +(syntax: #export (delete! field-name object) + {#;doc (doc "A way to delete fields from objects." + (delete! "foo" some-object))} + (wrap (list (` (;_lux_proc ["js" "delete-field"] [(~ object) (~ field-name)]))))) + +(syntax: #export (get field-name type object) + {#;doc (doc "A way to get fields from objects." + (get "ceil" (ref "Math")) + (get "ceil" (-> Real Real) (ref "Math")))} + (wrap (list (` (:! (~ type) + (;_lux_proc ["js" "get-field"] [(~ object) (~ field-name)])))))) + +(syntax: #export (object [kvs (s;some (s;seq s;any s;any))]) + {#;doc (doc "A way to create JavaScript objects." + (object) + (object "foo" foo "bar" (inc bar)))} + (wrap (list (L/fold (lambda [[k v] object] + (` (set! (~ k) (~ v) (~ object)))) + (` (;_lux_proc ["js" "object"] [])) + kvs)))) + +(syntax: #export (ref [name s;text] [type (s;opt s;any)]) + {#;doc (doc "A way to refer to JavaScript variables." + (ref "document") + (ref "Math.ceil" (-> Real Real)))} + (wrap (list (` (:! (~ (default (' ;;Object) type)) + (;_lux_proc ["js" "ref"] [(~ (ast;text name))])))))) + +(do-template [<name> <proc> <doc>] + [(syntax: #export (<name>) + {#;doc (doc <doc> + (<name>))} + (wrap (list (` (;_lux_proc ["js" <proc>] [])))))] + + [null "null" "Null object reference."] + [undef "undefined" "Undefined."] + ) + +(syntax: #export (call! [shape (s;alt ($_ s;seq s;any (s;tuple (s;some s;any)) (s;opt s;any)) + ($_ s;seq s;any s;text (s;tuple (s;some s;any)) (s;opt s;any)))]) + {#;doc (doc "A way to call JavaScript functions and methods." + (call! (ref "Math.ceil") [123.45]) + (call! (ref "Math") "ceil" [123.45]))} + (case shape + (#;Left [function args ?type]) + (wrap (list (` (:! (~ (default (' ;;Object) ?type)) + (;_lux_proc ["js" "call"] [(~ function) (~@ args)]))))) + + (#;Right [object field args ?type]) + (wrap (list (` (:! (~ (default (' ;;Object) ?type)) + (;_lux_proc ["js" "object-call"] [(~ object) (~ (ast;text field)) (~@ args)]))))))) |