(/debug "loading compiler.lisp!")
+(define-js-macro selfcall (&body body)
+ `(call (function () ,@body)))
+
;;; Translate the Lisp code to Javascript. It will compile the special
;;; forms. Some primitive functions are compiled as special forms
;;; too. The respective real functions are defined in the target (see
(defmacro js!selfcall (&body body)
``(call (function nil (code ,,@body))))
-(defmacro js!selfcall* (&body body)
- ``(call (function nil ,,@body)))
-
;;; Like CODE, but prefix each line with four spaces. Two versions
;;; of this function are available, because the Ecmalisp version is
(defun lambda-name/docstring-wrapper (name docstring code)
(if (or name docstring)
- (js!selfcall*
- `(var (func ,code))
- (when name `(= (get func "fname") ,name))
- (when docstring `(= (get func "docstring") ,docstring))
- `(return func))
+ `(selfcall
+ (var (func ,code))
+ ,(when name `(= (get func "fname") ,name))
+ ,(when docstring `(= (get func "docstring") ,docstring))
+ (return func))
code))
(defun lambda-check-argument-count
(literal sexp))
(define-compilation %while (pred &rest body)
- (js!selfcall*
- `(while (!== ,(ls-compile pred) ,(ls-compile nil))
- 0 ; TODO: Force
+ `(selfcall
+ (while (!== ,(ls-compile pred) ,(ls-compile nil))
+ 0 ; TODO: Force
; braces. Unnecesary when code
; is gone
- ,(ls-compile-block body))
- `(return ,(ls-compile nil))))
+ ,(ls-compile-block body))
+ (return ,(ls-compile nil))))
(define-compilation function (x)
(cond
(extend-lexenv (mapcar #'make-function-binding fnames)
*environment*
'function)))
- (js!selfcall*
- `(progn
- ,@(mapcar (lambda (func)
- `(var (,(make-symbol (translate-function (car func)))
- ,(compile-lambda (cadr func)
- `((block ,(car func) ,@(cddr func)))))))
- definitions))
- (ls-compile-block body t))))
+ `(selfcall
+ ,@(mapcar (lambda (func)
+ `(var (,(make-symbol (translate-function (car func)))
+ ,(compile-lambda (cadr func)
+ `((block ,(car func) ,@(cddr func)))))))
+ definitions)
+ ,(ls-compile-block body t))))
(defvar *compiling-file* nil)
;; unique identifier of the block as exception. We can't use the
;; variable name itself, because it could not to be unique, so we
;; capture it in a closure.
- (js!selfcall*
- (when multiple-value-p
- `(var (|values| |mv|)))
- `(throw
- (object
- "type" "block"
- "id" ,(make-symbol (binding-value b))
- "values" ,(ls-compile value multiple-value-p)
- "message" ,(concat "Return from unknown block '" (symbol-name name) "'."))))))
+ `(selfcall
+ ,(when multiple-value-p `(var (|values| |mv|)))
+ (throw
+ (object
+ "type" "block"
+ "id" ,(make-symbol (binding-value b))
+ "values" ,(ls-compile value multiple-value-p)
+ "message" ,(concat "Return from unknown block '" (symbol-name name) "'."))))))
(define-compilation catch (id &rest body)
- (js!selfcall*
- `(var (|id| ,(ls-compile id)))
- `(try
- ,(ls-compile-block body t))
- `(catch (|cf|)
- (if (and (== (get |cf| "type") "catch")
- (== (get |cf| "id") |id|))
- ,(if *multiple-value-p*
- `(return (call (get |values| "apply")
- this
- (call |forcemv| (get |cf| "values"))))
- `(return (call (get |pv| "apply")
- this
- (call |forcemv| (get |cf| "values")))))
- (throw |cf|)))))
+ `(selfcall
+ (var (|id| ,(ls-compile id)))
+ (try
+ ,(ls-compile-block body t))
+ (catch (|cf|)
+ (if (and (== (get |cf| "type") "catch")
+ (== (get |cf| "id") |id|))
+ ,(if *multiple-value-p*
+ `(return (call (get |values| "apply")
+ this
+ (call |forcemv| (get |cf| "values"))))
+ `(return (call (get |pv| "apply")
+ this
+ (call |forcemv| (get |cf| "values")))))
+ (throw |cf|)))))
(define-compilation throw (id value)
- (js!selfcall*
- `(var (|values| |mv|))
- `(throw (object
- |type| "catch"
- |id| ,(ls-compile id)
- |values| ,(ls-compile value t)
- |message| "Throw uncatched."))))
+ `(selfcall
+ (var (|values| |mv|))
+ (throw (object
+ |type| "catch"
+ |id| ,(ls-compile id)
+ |values| ,(ls-compile value t)
+ |message| "Throw uncatched."))))
(defun go-tag-p (x)
(or (integerp x) (symbolp x)))
initag)
(let ((b (lookup-in-lexenv (first body) *environment* 'gotag)))
(setq initag (second (binding-value b))))
- (js!selfcall*
+ `(selfcall
;; TAGBODY branch to take
- `(var (,(make-symbol branch) ,initag))
- `(var (,(make-symbol tbidx) #()))
- `(label tbloop
- (while true
- (try
- (switch ,(make-symbol branch)
- ,@(with-collect
- (collect `(case ,initag))
- (dolist (form (cdr body))
- (if (go-tag-p form)
- (let ((b (lookup-in-lexenv form *environment* 'gotag)))
- (collect `(case ,(second (binding-value b)))))
- (progn
- (collect (ls-compile form))
- ;; TEMPORAL!
- (collect '(code ";"))))))
- default
- (break tbloop)))
- (catch (jump)
- (if (and (== (get jump "type") "tagbody")
- (== (get jump "id") ,(make-symbol tbidx)))
- (= ,(make-symbol branch) (get jump "label"))
- (throw jump)))))
- `(return ,(ls-compile nil))))))
+ (var (,(make-symbol branch) ,initag))
+ (var (,(make-symbol tbidx) #()))
+ (label tbloop
+ (while true
+ (try
+ (switch ,(make-symbol branch)
+ ,@(with-collect
+ (collect `(case ,initag))
+ (dolist (form (cdr body))
+ (if (go-tag-p form)
+ (let ((b (lookup-in-lexenv form *environment* 'gotag)))
+ (collect `(case ,(second (binding-value b)))))
+ (progn
+ (collect (ls-compile form))
+ ;; TEMPORAL!
+ (collect '(code ";"))))))
+ default
+ (break tbloop)))
+ (catch (jump)
+ (if (and (== (get jump "type") "tagbody")
+ (== (get jump "id") ,(make-symbol tbidx)))
+ (= ,(make-symbol branch) (get jump "label"))
+ (throw jump)))))
+ (return ,(ls-compile nil))))))
(define-compilation go (label)
(let ((b (lookup-in-lexenv label *environment* 'gotag))
((integerp label) (integer-to-string label)))))
(when (null b)
(error "Unknown tag `~S'" label))
- (js!selfcall*
- `(throw
- (object
- "type" "tagbody"
- "id" ,(make-symbol (first (binding-value b)))
- "label" ,(second (binding-value b))
- "message" ,(concat "Attempt to GO to non-existing tag " n))))))
+ `(selfcall
+ (throw
+ (object
+ "type" "tagbody"
+ "id" ,(make-symbol (first (binding-value b)))
+ "label" ,(second (binding-value b))
+ "message" ,(concat "Attempt to GO to non-existing tag " n))))))
(define-compilation unwind-protect (form &rest clean-up)
- (js!selfcall*
- `(var (|ret| ,(ls-compile nil)))
- `(try
- (= |ret| ,(ls-compile form)))
- `(finally
- ,(ls-compile-block clean-up))
- `(return |ret|)))
+ `(selfcall
+ (var (|ret| ,(ls-compile nil)))
+ (try
+ (= |ret| ,(ls-compile form)))
+ (finally
+ ,(ls-compile-block clean-up))
+ (return |ret|)))
(define-compilation multiple-value-call (func-form &rest forms)
- (js!selfcall*
- `(var (func ,(ls-compile func-form)))
- `(var (args ,(vector (if *multiple-value-p* '|values| '|pv|) 0)))
- `(return
- ,(js!selfcall*
- `(var (|values| |mv|))
- `(var vs)
- `(progn
- ,@(with-collect
- (dolist (form forms)
- (collect `(= vs ,(ls-compile form t)))
- (collect `(if (and (=== (typeof vs) "object")
- (in "multiple-value" vs))
- (= args (call (get args "concat") vs))
- (call (get args "push") vs))))))
- `(= (property args 1) (- (property args "length") 2))
- `(return (call (get func "apply") |window| args))))))
+ `(selfcall
+ (var (func ,(ls-compile func-form)))
+ (var (args ,(vector (if *multiple-value-p* '|values| '|pv|) 0)))
+ (return
+ (selfcall
+ (var (|values| |mv|))
+ (var vs)
+ (progn
+ ,@(with-collect
+ (dolist (form forms)
+ (collect `(= vs ,(ls-compile form t)))
+ (collect `(if (and (=== (typeof vs) "object")
+ (in "multiple-value" vs))
+ (= args (call (get args "concat") vs))
+ (call (get args "push") vs))))))
+ (= (property args 1) (- (property args "length") 2))
+ (return (call (get func "apply") |window| args))))))
(define-compilation multiple-value-prog1 (first-form &rest forms)
- (js!selfcall*
- `(var (args ,(ls-compile first-form *multiple-value-p*)))
+ `(selfcall
+ (var (args ,(ls-compile first-form *multiple-value-p*)))
;; TODO: Interleave is temporal
- `(progn ,@(interleave (mapcar #'ls-compile forms)
- '(code ";")
- t))
- `(return args)))
+ (progn ,@(interleave (mapcar #'ls-compile forms)
+ '(code ";")
+ t))
+ (return args)))
(define-transformation backquote (form)
(bq-completely-process form))
(push `(if (!= (typeof ,v) "number")
(throw "Not a number!"))
prelude))))
- (js!selfcall*
- `(progn ,@(reverse prelude))
- (funcall function (reverse fargs)))))
+ `(selfcall
+ (progn ,@(reverse prelude))
+ ,(funcall function (reverse fargs)))))
(defmacro variable-arity (args &body body)
(define-builtin consp (x)
(js!bool
- (js!selfcall*
- `(var (tmp ,x))
- `(return (and (== (typeof tmp) "object")
- (in "car" tmp))))))
+ `(selfcall
+ (var (tmp ,x))
+ (return (and (== (typeof tmp) "object")
+ (in "car" tmp))))))
(define-builtin car (x)
- (js!selfcall*
- `(var (tmp ,x))
- `(return (if (=== tmp ,(ls-compile nil))
- ,(ls-compile nil)
- (get tmp "car")))))
+ `(selfcall
+ (var (tmp ,x))
+ (return (if (=== tmp ,(ls-compile nil))
+ ,(ls-compile nil)
+ (get tmp "car")))))
(define-builtin cdr (x)
- (js!selfcall*
- `(var (tmp ,x))
- `(return (if (=== tmp ,(ls-compile nil))
- ,(ls-compile nil)
- (get tmp "cdr")))))
+ `(selfcall
+ (var (tmp ,x))
+ (return (if (=== tmp ,(ls-compile nil))
+ ,(ls-compile nil)
+ (get tmp "cdr")))))
(define-builtin rplaca (x new)
`(= (get ,x "car") ,new))
(js!bool `(!== (get ,x "fvalue") undefined)))
(define-builtin symbol-value (x)
- (js!selfcall*
- `(var (symbol ,x)
- (value (get symbol "value")))
- `(if (=== value undefined)
- (throw (+ "Variable `" (call |xstring| (get symbol "name")) "' is unbound.")))
- `(return value)))
+ `(selfcall
+ (var (symbol ,x)
+ (value (get symbol "value")))
+ (if (=== value undefined)
+ (throw (+ "Variable `" (call |xstring| (get symbol "name")) "' is unbound.")))
+ (return value)))
(define-builtin symbol-function (x)
- (js!selfcall*
- `(var (symbol ,x)
- (func (get symbol "fvalue")))
- `(if (=== func undefined)
- (throw (+ "Function `" (call |xstring| (get symbol "name")) "' is undefined.")))
- `(return func)))
+ `(selfcall
+ (var (symbol ,x)
+ (func (get symbol "fvalue")))
+ (if (=== func undefined)
+ (throw (+ "Function `" (call |xstring| (get symbol "name")) "' is undefined.")))
+ (return func)))
(define-builtin symbol-plist (x)
`(or (get ,x "plist") ,(ls-compile nil)))
(define-builtin characterp (x)
(js!bool
- (js!selfcall*
- `(var (x ,x))
- `(return (and (== (typeof x) "string")
- (or (== (get x "length") 1)
- (== (get x "length") 2)))))))
+ `(selfcall
+ (var (x ,x))
+ (return (and (== (typeof x) "string")
+ (or (== (get x "length") 1)
+ (== (get x "length") 2)))))))
(define-builtin char-upcase (x)
`(call |safe_char_upcase| ,x))
(define-builtin stringp (x)
(js!bool
- (js!selfcall*
- `(var (x ,x))
- `(return (and (and (===(typeof x) "object")
- (in "length" x))
- (== (get x "stringp") 1))))))
+ `(selfcall
+ (var (x ,x))
+ (return (and (and (===(typeof x) "object")
+ (in "length" x))
+ (== (get x "stringp") 1))))))
(define-raw-builtin funcall (func &rest args)
- (js!selfcall*
- `(var (f ,(ls-compile func)))
- `(return (call (if (=== (typeof f) "function")
- f
- (get f "fvalue"))
- ,@(list* (if *multiple-value-p* '|values| '|pv|)
- (length args)
- (mapcar #'ls-compile args))))))
+ `(selfcall
+ (var (f ,(ls-compile func)))
+ (return (call (if (=== (typeof f) "function")
+ f
+ (get f "fvalue"))
+ ,@(list* (if *multiple-value-p* '|values| '|pv|)
+ (length args)
+ (mapcar #'ls-compile args))))))
(define-raw-builtin apply (func &rest args)
(if (null args)
(ls-compile func)
(let ((args (butlast args))
(last (car (last args))))
- (js!selfcall*
- `(var (f ,(ls-compile func)))
- `(var (args ,(list-to-vector
+ `(selfcall
+ (var (f ,(ls-compile func)))
+ (var (args ,(list-to-vector
(list* (if *multiple-value-p* '|values| '|pv|)
(length args)
(mapcar #'ls-compile args)))))
- `(var (tail ,(ls-compile last)))
- `(while (!= tail ,(ls-compile nil))
+ (var (tail ,(ls-compile last)))
+ (while (!= tail ,(ls-compile nil))
(call (get args "push") (get tail "car"))
(post++ (property args 1))
(= tail (get tail "cdr")))
- `(return (call (get (if (=== (typeof f) "function")
+ (return (call (get (if (=== (typeof f) "function")
f
(get f "fvalue"))
"apply")
(define-builtin js-eval (string)
(if *multiple-value-p*
- (js!selfcall*
- `(var (v (call |globalEval| (call |xstring| ,string))))
- `(return (call (get |values| "apply") this (call |forcemv| v))))
+ `(selfcall
+ (var (v (call |globalEval| (call |xstring| ,string))))
+ (return (call (get |values| "apply") this (call |forcemv| v))))
`(call |globalEval| (call |xstring| ,string))))
(define-builtin %throw (string)
- (js!selfcall* `(throw ,string)))
+ `(selfcall (throw ,string)))
(define-builtin functionp (x)
(js!bool `(=== (typeof ,x) "function")))
(define-builtin storage-vector-p (x)
(js!bool
- (js!selfcall*
- `(var (x ,x))
- `(return (and (=== (typeof x) "object") (in "length" x))))))
+ `(selfcall
+ (var (x ,x))
+ (return (and (=== (typeof x) "object") (in "length" x))))))
(define-builtin make-storage-vector (n)
- (js!selfcall*
- `(var (r #()))
- `(= (get r "length") ,n)
- `(return r)))
+ `(selfcall
+ (var (r #()))
+ (= (get r "length") ,n)
+ (return r)))
(define-builtin storage-vector-size (x)
`(get ,x "length"))
`(= (get ,vector "length") ,new-size))
(define-builtin storage-vector-ref (vector n)
- (js!selfcall*
- `(var (x (property ,vector ,n)))
- `(if (=== x undefined) (throw "Out of range."))
- `(return x)))
+ `(selfcall
+ (var (x (property ,vector ,n)))
+ (if (=== x undefined) (throw "Out of range."))
+ (return x)))
(define-builtin storage-vector-set (vector n value)
- (js!selfcall*
- `(var (x ,vector))
- `(var (i ,n))
- `(if (or (< i 0) (>= i (get x "length")))
- (throw "Out of range."))
- `(return (= (property x i) ,value))))
+ `(selfcall
+ (var (x ,vector))
+ (var (i ,n))
+ (if (or (< i 0) (>= i (get x "length")))
+ (throw "Out of range."))
+ (return (= (property x i) ,value))))
(define-builtin concatenate-storage-vector (sv1 sv2)
- (js!selfcall*
- `(var (sv1 ,sv1))
- `(var (r (call (get sv1 "concat") ,sv2)))
- `(= (get r "type") (get sv1 "type"))
- `(= (get r "stringp") (get sv1 "stringp"))
- `(return r)))
+ `(selfcall
+ (var (sv1 ,sv1))
+ (var (r (call (get sv1 "concat") ,sv2)))
+ (= (get r "type") (get sv1 "type"))
+ (= (get r "stringp") (get sv1 "stringp"))
+ (return r)))
(define-builtin get-internal-real-time ()
`(call (get (new (call |Date|)) "getTime")))
'(object))
(define-raw-builtin oget* (object key &rest keys)
- (js!selfcall*
- `(progn
- (var (tmp (property ,(ls-compile object) (call |xstring| ,(ls-compile key)))))
- ,@(mapcar (lambda (key)
- `(progn
- (if (=== tmp undefined) (return ,(ls-compile nil)))
- (= tmp (property tmp (call |xstring| ,(ls-compile key))))))
- keys))
- `(return (if (=== tmp undefined) ,(ls-compile nil) tmp))))
+ `(selfcall
+ (progn
+ (var (tmp (property ,(ls-compile object) (call |xstring| ,(ls-compile key)))))
+ ,@(mapcar (lambda (key)
+ `(progn
+ (if (=== tmp undefined) (return ,(ls-compile nil)))
+ (= tmp (property tmp (call |xstring| ,(ls-compile key))))))
+ keys))
+ (return (if (=== tmp undefined) ,(ls-compile nil) tmp))))
(define-raw-builtin oset* (value object key &rest keys)
(let ((keys (cons key keys)))
- (js!selfcall*
- `(progn
- (var (obj ,(ls-compile object)))
- ,@(mapcar (lambda (key)
- `(progn
- (= obj (property obj (call |xstring| ,(ls-compile key))))
- (if (=== object undefined)
- (throw "Impossible to set object property."))))
- (butlast keys))
- (var (tmp
- (= (property obj (call |xstring| ,(ls-compile (car (last keys)))))
- ,(ls-compile value))))
- (return (if (=== tmp undefined)
- ,(ls-compile nil)
- tmp))))))
+ `(selfcall
+ (progn
+ (var (obj ,(ls-compile object)))
+ ,@(mapcar (lambda (key)
+ `(progn
+ (= obj (property obj (call |xstring| ,(ls-compile key))))
+ (if (=== object undefined)
+ (throw "Impossible to set object property."))))
+ (butlast keys))
+ (var (tmp
+ (= (property obj (call |xstring| ,(ls-compile (car (last keys)))))
+ ,(ls-compile value))))
+ (return (if (=== tmp undefined)
+ ,(ls-compile nil)
+ tmp))))))
(define-raw-builtin oget (object key &rest keys)
`(call |js_to_lisp| ,(ls-compile `(oget* ,object ,key ,@keys))))
(js!bool `(in (call |xstring| ,key) ,object)))
(define-builtin map-for-in (function object)
- (js!selfcall*
- `(var (f ,function)
- (g (if (=== (typeof f) "function") f (get f "fvalue")))
- (o ,object))
- `(for-in (key o)
- (call g ,(if *multiple-value-p* '|values| '|pv|) 1 (get o "key")))
- `(return ,(ls-compile nil))))
+ `(selfcall
+ (var (f ,function)
+ (g (if (=== (typeof f) "function") f (get f "fvalue")))
+ (o ,object))
+ (for-in (key o)
+ (call g ,(if *multiple-value-p* '|values| '|pv|) 1 (get o "key")))
+ (return ,(ls-compile nil))))
(define-compilation %js-vref (var)
`(call |js_to_lisp| ,(make-symbol var)))