(progn
(eval-when-compile
(%compile-defmacro 'defmacro
- '(lambda (name args &rest body)
- `(eval-when-compile
- (%compile-defmacro ',name
- '(lambda ,(mapcar (lambda (x)
- (if (eq x '&body)
- '&rest
- x))
- args)
- ,@body))))))
+ '(function
+ (lambda (name args &rest body)
+ `(eval-when-compile
+ (%compile-defmacro ',name
+ '(function
+ (lambda ,(mapcar #'(lambda (x)
+ (if (eq x '&body)
+ '&rest
+ x))
+ args)
+ ,@body))))))))
(defmacro declaim (&rest decls)
`(eval-when-compile
,@(mapcar (lambda (decl) `(!proclaim ',decl)) decls)))
- (declaim (constant nil t) (special t nil))
- (setq nil 'nil)
- (setq t 't)
+ (defmacro defconstant (name value &optional docstring)
+ `(progn
+ (declaim (special ,name))
+ (declaim (constant ,name))
+ (setq ,name ,value)
+ ,@(when (stringp docstring) `((oset ',name "vardoc" ,docstring)))
+ ',name))
+
+ (defconstant t 't)
+ (defconstant nil 'nil)
+ (js-vset "nil" nil)
+
+ (defmacro lambda (args &body body)
+ `(function (lambda ,args ,@body)))
(defmacro when (condition &body body)
`(if ,condition (progn ,@body) nil))
(defun second (x) (cadr x))
(defun third (x) (caddr x))
(defun fourth (x) (cadddr x))
+ (defun rest (x) (cdr x))
(defun list (&rest args) args)
(defun atom (x)
`(let ,(mapcar #'cdr assignments)
(setq ,@(!reduce #'append (mapcar #'butlast assignments) '())))))
+ (defmacro do (varlist endlist &body body)
+ `(block nil
+ (let ,(mapcar (lambda (x) (list (first x) (second x))) varlist)
+ (while t
+ (when ,(car endlist)
+ (return (progn ,(cdr endlist))))
+ (tagbody ,@body)
+ (psetq
+ ,@(apply #'append
+ (mapcar (lambda (v)
+ (and (consp (cddr v))
+ (list (first v) (third v))))
+ varlist)))))))
+
+ (defmacro do* (varlist endlist &body body)
+ `(block nil
+ (let* ,(mapcar (lambda (x) (list (first x) (second x))) varlist)
+ (while t
+ (when ,(car endlist)
+ (return (progn ,(cdr endlist))))
+ (tagbody ,@body)
+ (setq
+ ,@(apply #'append
+ (mapcar (lambda (v)
+ (and (consp (cddr v))
+ (list (first v) (third v))))
+ varlist)))))))
+
(defun list-length (list)
(let ((l 0))
(while (not (null list))
(defun concat-two (s1 s2)
(concat-two s1 s2))
- (defun mapcar (func list)
- (if (null list)
- '()
- (cons (funcall func (car list))
- (mapcar func (cdr list)))))
+ (defmacro with-collect (&body body)
+ (let ((head (gensym))
+ (tail (gensym)))
+ `(let* ((,head (cons 'sentinel nil))
+ (,tail ,head))
+ (flet ((collect (x)
+ (rplacd ,tail (cons x nil))
+ (setq ,tail (cdr ,tail))
+ x))
+ ,@body)
+ (cdr ,head))))
+
+ (defun map1 (func list)
+ (with-collect
+ (while list
+ (collect (funcall func (car list)))
+ (setq list (cdr list)))))
+
+ (defmacro loop (&body body)
+ `(while t ,@body))
+
+ (defun mapcar (func list &rest lists)
+ (let ((lists (cons list lists)))
+ (with-collect
+ (block loop
+ (loop
+ (let ((elems (map1 #'car lists)))
+ (do ((tail lists (cdr tail)))
+ ((null tail))
+ (when (null (car tail)) (return-from loop))
+ (rplaca tail (cdar tail)))
+ (collect (apply func elems))))))))
(defun identity (x) x)
+ (defun constantly (x)
+ (lambda (&rest args)
+ x))
+
(defun copy-list (x)
(mapcar #'identity x))
(- x #\0)
nil))
+ (defun digit-char (weight)
+ (and (<= 0 weight 9)
+ (char "0123456789" weight)))
+
(defun subseq (seq a &optional b)
(cond
((stringp seq)
(t
(error "Unsupported argument."))))
- (defun parse-integer (string)
- (let ((value 0)
- (index 0)
- (size (length string)))
- (while (< index size)
- (setq value (+ (* value 10) (digit-char-p (char string index))))
- (incf index))
- value))
-
(defun some (function seq)
(cond
((stringp seq)
(error "Wrong argument type! it should be a symbol"))
(oget x "vardoc"))))
- ;; Packages
+ (defmacro multiple-value-bind (variables value-from &body body)
+ `(multiple-value-call (lambda (&optional ,@variables &rest ,(gensym))
+ ,@body)
+ ,value-from))
+
+ (defmacro multiple-value-list (value-from)
+ `(multiple-value-call #'list ,value-from))
+
+
+ ;;; Generalized references (SETF)
+
+ (defvar *setf-expanders* nil)
+
+ (defun get-setf-expansion (place)
+ (if (symbolp place)
+ (let ((value (gensym)))
+ (values nil
+ nil
+ `(,value)
+ `(setq ,place ,value)
+ place))
+ (let* ((access-fn (car place))
+ (expander (cdr (assoc access-fn *setf-expanders*))))
+ (when (null expander)
+ (error "Unknown generalized reference."))
+ (apply expander (cdr place)))))
+
+ (defmacro define-setf-expander (access-fn lambda-list &body body)
+ (unless (symbolp access-fn)
+ (error "ACCESS-FN must be a symbol."))
+ `(progn (push (cons ',access-fn (lambda ,lambda-list ,@body))
+ *setf-expanders*)
+ ',access-fn))
+
+ (defmacro setf (&rest pairs)
+ (cond
+ ((null pairs)
+ nil)
+ ((null (cdr pairs))
+ (error "Odd number of arguments to setf."))
+ ((null (cddr pairs))
+ (let ((place (first pairs))
+ (value (second pairs)))
+ (multiple-value-bind (vars vals store-vars writer-form reader-form)
+ (get-setf-expansion place)
+ ;; TODO: Optimize the expansion a little bit to avoid let*
+ ;; or multiple-value-bind when unnecesary.
+ `(let* ,(mapcar #'list vars vals)
+ (multiple-value-bind ,store-vars
+ ,value
+ ,writer-form)))))
+ (t
+ `(progn
+ ,@(do ((pairs pairs (cddr pairs))
+ (result '() (cons `(setf ,(car pairs) ,(cadr pairs)) result)))
+ ((null pairs)
+ (reverse result)))))))
+
+ (define-setf-expander car (x)
+ (let ((cons (gensym))
+ (new-value (gensym)))
+ (values (list cons)
+ (list x)
+ (list new-value)
+ `(progn (rplaca ,cons ,new-value) ,new-value)
+ `(car ,cons))))
+
+ (define-setf-expander cdr (x)
+ (let ((cons (gensym))
+ (new-value (gensym)))
+ (values (list cons)
+ (list x)
+ (list new-value)
+ `(progn (rplacd ,cons ,new-value) ,new-value)
+ `(car ,cons))))
+
+ ;;; Packages
(defvar *package-list* nil)
;; This function is used internally to initialize the CL package
;; with the symbols built during bootstrap.
(defun %intern-symbol (symbol)
- (let ((symbols (%package-symbols *common-lisp-package*)))
- (oset symbol "package" *common-lisp-package*)
+ (let* ((package
+ (if (in "package" symbol)
+ (find-package-or-fail (oget symbol "package"))
+ *common-lisp-package*))
+ (symbols (%package-symbols package)))
+ (oset symbol "package" package)
+ (when (eq package *keyword-package*)
+ (oset symbol "value" symbol))
(oset symbols (symbol-name symbol) symbol)))
- (defun %find-symbol (name package)
- (let ((package (find-package-or-fail package)))
- (let ((symbols (%package-symbols package)))
- (if (in name symbols)
- (cons (oget symbols name) t)
- (dolist (used (package-use-list package) (cons nil nil))
- (let ((exports (%package-external-symbols used)))
- (when (in name exports)
- (return-from %find-symbol
- (cons (oget exports name) t)))))))))
-
(defun find-symbol (name &optional (package *package*))
- (car (%find-symbol name package)))
+ (let* ((package (find-package-or-fail package))
+ (externals (%package-external-symbols package))
+ (symbols (%package-symbols package)))
+ (cond
+ ((in name externals)
+ (values (oget externals name) :external))
+ ((in name symbols)
+ (values (oget symbols name) :internal))
+ (t
+ (dolist (used (package-use-list package) (values nil nil))
+ (let ((exports (%package-external-symbols used)))
+ (when (in name exports)
+ (return (values (oget exports name) :inherit)))))))))
(defun intern (name &optional (package *package*))
(let ((package (find-package-or-fail package)))
- (let ((result (%find-symbol name package)))
- (if (cdr result)
- (car result)
+ (multiple-value-bind (symbol foundp)
+ (find-symbol name package)
+ (if foundp
+ (values symbol foundp)
(let ((symbols (%package-symbols package)))
(oget symbols name)
(let ((symbol (make-symbol name)))
(when (eq package *keyword-package*)
(oset symbol "value" symbol)
(export (list symbol) package))
- (oset symbols name symbol)))))))
+ (oset symbols name symbol)
+ (values symbol nil)))))))
(defun symbol-package (symbol)
(unless (symbolp symbol)
(defun concat-two (s1 s2)
(concatenate 'string s1 s2))
- (defun setcar (cons new)
- (setf (car cons) new))
- (defun setcdr (cons new)
- (setf (cdr cons) new))
-
(defun aset (array idx value)
(setf (aref array idx) value)))
(values-array (list-to-vector list)))
(defun values (&rest args)
- (values-list args))
-
- (defmacro multiple-value-bind (variables value-from &body body)
- `(multiple-value-call (lambda (&optional ,@variables &rest ,(gensym))
- ,@body)
- ,value-from))
-
- (defmacro multiple-value-list (value-from)
- `(multiple-value-call #'list ,value-from)))
-
-
-;;; Like CONCAT, but prefix each line with four spaces. Two versions
-;;; of this function are available, because the Ecmalisp version is
-;;; very slow and bootstraping was annoying.
-
-#+ecmalisp
-(defun indent (&rest string)
- (let ((input (join string)))
- (let ((output "")
- (index 0)
- (size (length input)))
- (when (plusp (length input)) (concatf output " "))
- (while (< index size)
- (let ((str
- (if (and (char= (char input index) #\newline)
- (< index (1- size))
- (not (char= (char input (1+ index)) #\newline)))
- (concat (string #\newline) " ")
- (string (char input index)))))
- (concatf output str))
- (incf index))
- output)))
-
-#+common-lisp
-(defun indent (&rest string)
- (with-output-to-string (*standard-output*)
- (with-input-from-string (input (join string))
- (loop
- for line = (read-line input nil)
- while line
- do (write-string " ")
- do (write-line line)))))
-
+ (values-list args)))
(defun integer-to-string (x)
(cond
(while (not (zerop x))
(push (mod x 10) digits)
(setq x (truncate x 10)))
- (join (mapcar (lambda (d) (string (char "0123456789" d)))
- digits))))))
-
-
-;;; Wrap X with a Javascript code to convert the result from
-;;; Javascript generalized booleans to T or NIL.
-(defun js!bool (x)
- (concat "(" x "?" (ls-compile t) ": " (ls-compile nil) ")"))
-
-;;; Concatenate the arguments and wrap them with a self-calling
-;;; Javascript anonymous function. It is used to make some Javascript
-;;; statements valid expressions and provide a private scope as well.
-;;; It could be defined as function, but we could do some
-;;; preprocessing in the future.
-(defmacro js!selfcall (&body body)
- `(concat "(function(){" *newline* (indent ,@body) "})()"))
+ (mapconcat (lambda (x) (string (digit-char x)))
+ digits)))))
;;; Printer
(defun prin1-to-string (form)
(cond
((symbolp form)
- (if (cdr (%find-symbol (symbol-name form) *package*))
- (symbol-name form)
- (let ((package (symbol-package form))
- (name (symbol-name form)))
- (concat (cond
- ((null package) "#")
- ((eq package (find-package "KEYWORD")) "")
- (t (package-name package)))
- ":" name))))
+ (multiple-value-bind (symbol foundp)
+ (find-symbol (symbol-name form) *package*)
+ (if (and foundp (eq symbol form))
+ (symbol-name form)
+ (let ((package (symbol-package form))
+ (name (symbol-name form)))
+ (concat (cond
+ ((null package) "#")
+ ((eq package (find-package "KEYWORD")) "")
+ (t (package-name package)))
+ ":" name)))))
((integerp form) (integer-to-string form))
((stringp form) (concat "\"" (escape-string form) "\""))
((functionp form)
(defun %read-char (stream)
(and (< (cdr stream) (length (car stream)))
(prog1 (char (car stream) (cdr stream))
- (setcdr stream (1+ (cdr stream))))))
+ (rplacd stream (1+ (cdr stream))))))
(defun whitespacep (ch)
(or (char= ch #\space) (char= ch #\newline) (char= ch #\tab)))
(intern name package)
(find-symbol name package))))
+
+(defun !parse-integer (string junk-allow)
+ (block nil
+ (let ((value 0)
+ (index 0)
+ (size (length string))
+ (sign 1))
+ (when (zerop size) (return (values nil 0)))
+ ;; Optional sign
+ (case (char string 0)
+ (#\+ (incf index))
+ (#\- (setq sign -1)
+ (incf index)))
+ ;; First digit
+ (unless (and (< index size)
+ (setq value (digit-char-p (char string index))))
+ (return (values nil index)))
+ (incf index)
+ ;; Other digits
+ (while (< index size)
+ (let ((digit (digit-char-p (char string index))))
+ (unless digit (return))
+ (setq value (+ (* value 10) digit))
+ (incf index)))
+ (if (or junk-allow
+ (= index size)
+ (char= (char string index) #\space))
+ (values (* sign value) index)
+ (values nil index)))))
+
+#+ecmalisp
+(defun parse-integer (string)
+ (!parse-integer string nil))
+
(defvar *eof* (gensym))
(defun ls-read (stream)
(skip-whitespaces-and-comments stream)
(read-sharp stream))
(t
(let ((string (read-until stream #'terminalp)))
- (if (every #'digit-char-p string)
- (parse-integer string)
- (read-symbol string)))))))
+ (or (values (!parse-integer string nil))
+ (read-symbol string)))))))
(defun ls-read-from-string (string)
(ls-read (make-string-stream string)))
;;; too. The respective real functions are defined in the target (see
;;; the beginning of this file) as well as some primitive functions.
-;;; If the special variable `*multiple-value-p*' is NON-NIL, then the
-;;; compilation of the current form is allowed to return multiple
-;;; values, using the VALUES variable.
-(defvar *multiple-value-p* nil)
+(defun code (&rest args)
+ (mapconcat (lambda (arg)
+ (cond
+ ((null arg) "")
+ ((integerp arg) (integer-to-string arg))
+ ((stringp arg) arg)
+ (t (error "Unknown argument."))))
+ args))
+
+;;; Wrap X with a Javascript code to convert the result from
+;;; Javascript generalized booleans to T or NIL.
+(defun js!bool (x)
+ (code "(" x "?" (ls-compile t) ": " (ls-compile nil) ")"))
-(defvar *compilation-unit-checks* '())
+;;; Concatenate the arguments and wrap them with a self-calling
+;;; Javascript anonymous function. It is used to make some Javascript
+;;; statements valid expressions and provide a private scope as well.
+;;; It could be defined as function, but we could do some
+;;; preprocessing in the future.
+(defmacro js!selfcall (&body body)
+ `(code "(function(){" *newline* (indent ,@body) "})()"))
+
+;;; Like CODE, but prefix each line with four spaces. Two versions
+;;; of this function are available, because the Ecmalisp version is
+;;; very slow and bootstraping was annoying.
+
+#+ecmalisp
+(defun indent (&rest string)
+ (let ((input (apply #'code string)))
+ (let ((output "")
+ (index 0)
+ (size (length input)))
+ (when (plusp (length input)) (concatf output " "))
+ (while (< index size)
+ (let ((str
+ (if (and (char= (char input index) #\newline)
+ (< index (1- size))
+ (not (char= (char input (1+ index)) #\newline)))
+ (concat (string #\newline) " ")
+ (string (char input index)))))
+ (concatf output str))
+ (incf index))
+ output)))
+
+#+common-lisp
+(defun indent (&rest string)
+ (with-output-to-string (*standard-output*)
+ (with-input-from-string (input (apply #'code string))
+ (loop
+ for line = (read-line input nil)
+ while line
+ do (write-string " ")
+ do (write-line line)))))
+
+
+;;; A Form can return a multiple values object calling VALUES, like
+;;; values(arg1, arg2, ...). It will work in any context, as well as
+;;; returning an individual object. However, if the special variable
+;;; `*multiple-value-p*' is NIL, is granted that only the primary
+;;; value will be used, so we can optimize to avoid the VALUES
+;;; function call.
+(defvar *multiple-value-p* nil)
(defun make-binding (name type value &optional declarations)
(list name type value declarations))
(defun binding-declarations (b) (fourth b))
(defun set-binding-value (b value)
- (setcar (cddr b) value))
+ (rplaca (cddr b) value))
(defun set-binding-declarations (b value)
- (setcar (cdddr b) value))
+ (rplaca (cdddr b) value))
(defun push-binding-declaration (decl b)
(set-binding-declarations b (cons decl (binding-declarations b))))
(defun push-to-lexenv (binding lexenv namespace)
(ecase namespace
- (variable (setcar lexenv (cons binding (car lexenv))))
- (function (setcar (cdr lexenv) (cons binding (cadr lexenv))))
- (block (setcar (cddr lexenv) (cons binding (caddr lexenv))))
- (gotag (setcar (cdddr lexenv) (cons binding (cadddr lexenv))))))
+ (variable (rplaca lexenv (cons binding (car lexenv))))
+ (function (rplaca (cdr lexenv) (cons binding (cadr lexenv))))
+ (block (rplaca (cddr lexenv) (cons binding (caddr lexenv))))
+ (gotag (rplaca (cdddr lexenv) (cons binding (cadddr lexenv))))))
(defun extend-lexenv (bindings lexenv namespace)
(let ((env (copy-lexenv lexenv)))
(defvar *variable-counter* 0)
(defun gvarname (symbol)
- (concat "v" (integer-to-string (incf *variable-counter*))))
+ (code "v" (incf *variable-counter*)))
(defun translate-variable (symbol)
(binding-value (lookup-in-lexenv symbol *environment* 'variable)))
(defun extend-local-env (args)
(let ((new (copy-lexenv *environment*)))
(dolist (symbol args new)
- (let ((b (make-binding symbol 'lexical-variable (gvarname symbol))))
+ (let ((b (make-binding symbol 'variable (gvarname symbol))))
(push-to-lexenv b new 'variable)))))
;;; Toplevel compilations
(defun %compile-defmacro (name lambda)
(toplevel-compilation (ls-compile `',name))
- (push-to-lexenv (make-binding name 'macro lambda) *environment* 'function))
+ (push-to-lexenv (make-binding name 'macro lambda) *environment* 'function)
+ name)
(defun global-binding (name type namespace)
(or (lookup-in-lexenv name *environment* namespace)
*compilations*))
(define-compilation if (condition true false)
- (concat "(" (ls-compile condition) " !== " (ls-compile nil)
- " ? " (ls-compile true *multiple-value-p*)
- " : " (ls-compile false *multiple-value-p*)
- ")"))
+ (code "(" (ls-compile condition) " !== " (ls-compile nil)
+ " ? " (ls-compile true *multiple-value-p*)
+ " : " (ls-compile false *multiple-value-p*)
+ ")"))
-(defvar *lambda-list-keywords* '(&optional &rest))
+(defvar *lambda-list-keywords* '(&optional &rest &key))
(defun list-until-keyword (list)
(if (or (null list) (member (car list) *lambda-list-keywords*))
nil
(cons (car list) (list-until-keyword (cdr list)))))
+(defun lambda-list-section (keyword lambda-list)
+ (list-until-keyword (cdr (member keyword lambda-list))))
+
(defun lambda-list-required-arguments (lambda-list)
(list-until-keyword lambda-list))
(defun lambda-list-optional-arguments-with-default (lambda-list)
- (mapcar #'ensure-list (list-until-keyword (cdr (member '&optional lambda-list)))))
+ (mapcar #'ensure-list (lambda-list-section '&optional lambda-list)))
(defun lambda-list-optional-arguments (lambda-list)
(mapcar #'car (lambda-list-optional-arguments-with-default lambda-list)))
(defun lambda-list-rest-argument (lambda-list)
- (let ((rest (list-until-keyword (cdr (member '&rest lambda-list)))))
+ (let ((rest (lambda-list-section '&rest lambda-list)))
(when (cdr rest)
(error "Bad lambda-list"))
(car rest)))
+(defun lambda-list-keyword-arguments-canonical (lambda-list)
+ (flet ((canonalize (keyarg)
+ ;; Build a canonical keyword argument descriptor, filling
+ ;; the optional fields. The result is a list of the form
+ ;; ((keyword-name var) init-form).
+ (let* ((arg (ensure-list keyarg))
+ (init-form (cadr arg))
+ var
+ keyword-name)
+ (if (listp (car arg))
+ (setq var (cadr (car arg))
+ keyword-name (car (car arg)))
+ (setq var (car arg)
+ keyword-name (intern (symbol-name (car arg)) "KEYWORD")))
+ `((,keyword-name ,var) ,init-form))))
+ (mapcar #'canonalize (lambda-list-section '&key lambda-list))))
+
+(defun lambda-list-keyword-arguments (lambda-list)
+ (mapcar (lambda (keyarg) (second (first keyarg)))
+ (lambda-list-keyword-arguments-canonical lambda-list)))
+
(defun lambda-docstring-wrapper (docstring &rest strs)
(if docstring
(js!selfcall
"var func = " (join strs) ";" *newline*
"func.docstring = '" docstring "';" *newline*
"return func;" *newline*)
- (join strs)))
-
-(define-compilation lambda (lambda-list &rest body)
+ (apply #'code strs)))
+
+(defun lambda-check-argument-count
+ (n-required-arguments n-optional-arguments rest-p)
+ ;; Note: Remember that we assume that the number of arguments of a
+ ;; call is at least 1 (the values argument).
+ (let ((min (1+ n-required-arguments))
+ (max (if rest-p 'n/a (+ 1 n-required-arguments n-optional-arguments))))
+ (block nil
+ ;; Special case: a positive exact number of arguments.
+ (when (and (< 1 min) (eql min max))
+ (return (code "checkArgs(arguments, " min ");" *newline*)))
+ ;; General case:
+ (code
+ (when (< 1 min)
+ (code "checkArgsAtLeast(arguments, " min ");" *newline*))
+ (when (numberp max)
+ (code "checkArgsAtMost(arguments, " max ");" *newline*))))))
+
+(defun compile-lambda-optional (lambda-list)
+ (let* ((optional-arguments (lambda-list-optional-arguments lambda-list))
+ (n-required-arguments (length (lambda-list-required-arguments lambda-list)))
+ (n-optional-arguments (length optional-arguments)))
+ (when optional-arguments
+ (code "switch(arguments.length-1){" *newline*
+ (let ((optional-and-defaults
+ (lambda-list-optional-arguments-with-default lambda-list))
+ (cases nil)
+ (idx 0))
+ (progn
+ (while (< idx n-optional-arguments)
+ (let ((arg (nth idx optional-and-defaults)))
+ (push (code "case " (+ idx n-required-arguments) ":" *newline*
+ (translate-variable (car arg))
+ "="
+ (ls-compile (cadr arg))
+ ";" *newline*)
+ cases)
+ (incf idx)))
+ (push (code "default: break;" *newline*) cases)
+ (join (reverse cases))))
+ "}" *newline*))))
+
+(defun compile-lambda-rest (lambda-list)
+ (let ((n-required-arguments (length (lambda-list-required-arguments lambda-list)))
+ (n-optional-arguments (length (lambda-list-optional-arguments lambda-list)))
+ (rest-argument (lambda-list-rest-argument lambda-list)))
+ (when rest-argument
+ (let ((js!rest (translate-variable rest-argument)))
+ (code "var " js!rest "= " (ls-compile nil) ";" *newline*
+ "for (var i = arguments.length-1; i>="
+ (+ 1 n-required-arguments n-optional-arguments)
+ "; i--)" *newline*
+ (indent js!rest " = {car: arguments[i], cdr: ") js!rest "};"
+ *newline*)))))
+
+(defun compile-lambda-parse-keywords (lambda-list)
+ (let ((n-required-arguments
+ (length (lambda-list-required-arguments lambda-list)))
+ (n-optional-arguments
+ (length (lambda-list-optional-arguments lambda-list)))
+ (keyword-arguments
+ (lambda-list-keyword-arguments-canonical lambda-list)))
+ (code
+ ;; Declare variables
+ (mapconcat (lambda (arg)
+ (let ((var (second (car arg))))
+ (code "var " (translate-variable var) "; " *newline*)))
+ keyword-arguments)
+ ;; Parse keywords
+ (flet ((parse-keyword (keyarg)
+ ;; ((keyword-name var) init-form)
+ (code "for (i=" (+ 1 n-required-arguments n-optional-arguments)
+ "; i<arguments.length; i+=2){" *newline*
+ (indent
+ "if (arguments[i] === " (ls-compile (caar keyarg)) "){" *newline*
+ (indent (translate-variable (cadr (car keyarg)))
+ " = arguments[i+1];"
+ *newline*
+ "break;" *newline*)
+ "}" *newline*)
+ "}" *newline*
+ ;; Default value
+ "if (i == arguments.length){" *newline*
+ (indent
+ (translate-variable (cadr (car keyarg)))
+ " = "
+ (ls-compile (cadr keyarg))
+ ";" *newline*)
+ "}" *newline*)))
+ (when keyword-arguments
+ (code "var i;" *newline*
+ (mapconcat #'parse-keyword keyword-arguments))))
+ ;; Check for unknown keywords
+ (when keyword-arguments
+ (code "for (i=" (+ 1 n-required-arguments n-optional-arguments)
+ "; i<arguments.length; i+=2){" *newline*
+ (indent "if ("
+ (join (mapcar (lambda (x)
+ (concat "arguments[i] !== " (ls-compile (caar x))))
+ keyword-arguments)
+ " && ")
+ ")" *newline*
+ (indent
+ "throw 'Unknown keyword argument ' + arguments[i].name;" *newline*))
+ "}" *newline*)))))
+
+(defun compile-lambda (lambda-list body)
(let ((required-arguments (lambda-list-required-arguments lambda-list))
(optional-arguments (lambda-list-optional-arguments lambda-list))
- (rest-argument (lambda-list-rest-argument lambda-list))
+ (keyword-arguments (lambda-list-keyword-arguments lambda-list))
+ (rest-argument (lambda-list-rest-argument lambda-list))
documentation)
;; Get the documentation string for the lambda function
(when (and (stringp (car body))
(*environment* (extend-local-env
(append (ensure-list rest-argument)
required-arguments
- optional-arguments))))
+ optional-arguments
+ keyword-arguments))))
(lambda-docstring-wrapper
documentation
"(function ("
(append required-arguments optional-arguments)))
",")
"){" *newline*
- ;; Check number of arguments
(indent
- (if required-arguments
- (concat "checkArgsAtLeast("
- (integer-to-string (1+ n-required-arguments))
- ");" *newline*)
- "")
- (if (not rest-argument)
- (concat "checkArgsAtLeast("
- (integer-to-string (+ 1 n-required-arguments n-optional-arguments))
- ");" *newline*)
- "")
- ;; Optional arguments
- (if optional-arguments
- (concat "switch(arguments.length-1){" *newline*
- (let ((optional-and-defaults
- (lambda-list-optional-arguments-with-default lambda-list))
- (cases nil)
- (idx 0))
- (progn
- (while (< idx n-optional-arguments)
- (let ((arg (nth idx optional-and-defaults)))
- (push (concat "case "
- (integer-to-string (+ idx n-required-arguments)) ":" *newline*
- (translate-variable (car arg))
- "="
- (ls-compile (cadr arg))
- ";" *newline*)
- cases)
- (incf idx)))
- (push (concat "default: break;" *newline*) cases)
- (join (reverse cases))))
- "}" *newline*)
- "")
- ;; &rest/&body argument
- (if rest-argument
- (let ((js!rest (translate-variable rest-argument)))
- (concat "var " js!rest "= " (ls-compile nil) ";" *newline*
- "for (var i = arguments.length-1; i>="
- (integer-to-string (+ 1 n-required-arguments n-optional-arguments))
- "; i--)" *newline*
- (indent js!rest " = "
- "{car: arguments[i], cdr: ") js!rest "};"
- *newline*))
- "")
- ;; Body
- (let ((*multiple-value-p* t)) (ls-compile-block body t)))
+ ;; Check number of arguments
+ (lambda-check-argument-count n-required-arguments
+ n-optional-arguments
+ (or rest-argument keyword-arguments))
+ (compile-lambda-optional lambda-list)
+ (compile-lambda-rest lambda-list)
+ (compile-lambda-parse-keywords lambda-list)
+ (let ((*multiple-value-p* t))
+ (ls-compile-block body t)))
"})"))))
+
(defun setq-pair (var val)
(let ((b (lookup-in-lexenv var *environment* 'variable)))
- (if (eq (binding-type b) 'lexical-variable)
- (concat (binding-value b) " = " (ls-compile val))
+ (if (and (eq (binding-type b) 'variable)
+ (not (member 'special (binding-declarations b)))
+ (not (member 'constant (binding-declarations b))))
+ (code (binding-value b) " = " (ls-compile val))
(ls-compile `(set ',var ,val)))))
(define-compilation setq (&rest pairs)
(concat (setq-pair (car pairs) (cadr pairs))
(if (null (cddr pairs)) "" ", ")))
(setq pairs (cddr pairs)))))
- (concat "(" result ")")))
+ (code "(" result ")")))
;;; FFI Variable accessors
(define-compilation js-vref (var)
var)
(define-compilation js-vset (var val)
- (concat "(" var " = " (ls-compile val) ")"))
-
+ (code "(" var " = " (ls-compile val) ")"))
;;; Literals
(defvar *literal-counter* 0)
(defun genlit ()
- (concat "l" (integer-to-string (incf *literal-counter*))))
+ (code "l" (incf *literal-counter*)))
(defun literal (sexp &optional recursive)
(cond
((integerp sexp) (integer-to-string sexp))
- ((stringp sexp) (concat "\"" (escape-string sexp) "\""))
+ ((stringp sexp) (code "\"" (escape-string sexp) "\""))
((symbolp sexp)
(or (cdr (assoc sexp *literal-symbols*))
(let ((v (genlit))
- (s #+common-lisp (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")
- #+ecmalisp
- (let ((package (symbol-package sexp)))
- (if (null package)
- (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")
- (ls-compile `(intern ,(symbol-name sexp) ,(package-name package)))))))
+ (s #+common-lisp
+ (let ((package (symbol-package sexp)))
+ (if (eq package (find-package "KEYWORD"))
+ (code "{name: \"" (escape-string (symbol-name sexp))
+ "\", 'package': '" (package-name package) "'}")
+ (code "{name: \"" (escape-string (symbol-name sexp)) "\"}")))
+ #+ecmalisp
+ (let ((package (symbol-package sexp)))
+ (if (null package)
+ (code "{name: \"" (escape-string (symbol-name sexp)) "\"}")
+ (ls-compile `(intern ,(symbol-name sexp) ,(package-name package)))))))
(push (cons sexp v) *literal-symbols*)
- (toplevel-compilation (concat "var " v " = " s))
+ (toplevel-compilation (code "var " v " = " s))
v)))
((consp sexp)
- (let ((c (concat "{car: " (literal (car sexp) t) ", "
- "cdr: " (literal (cdr sexp) t) "}")))
+ (let* ((head (butlast sexp))
+ (tail (last sexp))
+ (c (code "QIList("
+ (join-trailing (mapcar (lambda (x) (literal x t)) head) ",")
+ (literal (car tail) t)
+ ","
+ (literal (cdr tail) t)
+ ")")))
(if recursive
c
(let ((v (genlit)))
- (toplevel-compilation (concat "var " v " = " c))
- v))))
+ (toplevel-compilation (code "var " v " = " c))
+ v))))
((arrayp sexp)
(let ((elements (vector-to-list sexp)))
(let ((c (concat "[" (join (mapcar #'literal elements) ", ") "]")))
(if recursive
c
(let ((v (genlit)))
- (toplevel-compilation (concat "var " v " = " c))
+ (toplevel-compilation (code "var " v " = " c))
v)))))))
(define-compilation quote (sexp)
(define-compilation function (x)
(cond
((and (listp x) (eq (car x) 'lambda))
- (ls-compile x))
+ (compile-lambda (cadr x) (cddr x)))
((symbolp x)
- (ls-compile `(symbol-function ',x)))))
+ (let ((b (lookup-in-lexenv x *environment* 'function)))
+ (if b
+ (binding-value b)
+ (ls-compile `(symbol-function ',x)))))))
+
+
+(defun make-function-binding (fname)
+ (make-binding fname 'function (gvarname fname)))
+
+(defun compile-function-definition (list)
+ (compile-lambda (car list) (cdr list)))
+
+(defun translate-function (name)
+ (let ((b (lookup-in-lexenv name *environment* 'function)))
+ (binding-value b)))
+
+(define-compilation flet (definitions &rest body)
+ (let* ((fnames (mapcar #'car definitions))
+ (fbody (mapcar #'cdr definitions))
+ (cfuncs (mapcar #'compile-function-definition fbody))
+ (*environment*
+ (extend-lexenv (mapcar #'make-function-binding fnames)
+ *environment*
+ 'function)))
+ (code "(function("
+ (join (mapcar #'translate-function fnames) ",")
+ "){" *newline*
+ (let ((body (ls-compile-block body t)))
+ (indent body))
+ "})(" (join cfuncs ",") ")")))
+
+(define-compilation labels (definitions &rest body)
+ (let* ((fnames (mapcar #'car definitions))
+ (*environment*
+ (extend-lexenv (mapcar #'make-function-binding fnames)
+ *environment*
+ 'function)))
+ (js!selfcall
+ (mapconcat (lambda (func)
+ (code "var " (translate-function (car func))
+ " = " (compile-lambda (cadr func) (cddr func))
+ ";" *newline*))
+ definitions)
+ (ls-compile-block body t))))
+
+
+(defvar *compiling-file* nil)
(define-compilation eval-when-compile (&rest body)
- (eval (cons 'progn body))
- nil)
+ (if *compiling-file*
+ (progn
+ (eval (cons 'progn body))
+ nil)
+ (ls-compile `(progn ,@body))))
(defmacro define-transformation (name args form)
`(define-compilation ,name ,args
(defun let-binding-wrapper (bindings body)
(when (null bindings)
(return-from let-binding-wrapper body))
- (concat
+ (code
"try {" *newline*
(indent "var tmp;" *newline*
(mapconcat
(lambda (b)
(let ((s (ls-compile `(quote ,(car b)))))
- (concat "tmp = " s ".value;" *newline*
- s ".value = " (cdr b) ";" *newline*
- (cdr b) " = tmp;" *newline*)))
+ (code "tmp = " s ".value;" *newline*
+ s ".value = " (cdr b) ";" *newline*
+ (cdr b) " = tmp;" *newline*)))
bindings)
body *newline*)
"}" *newline*
(indent
(mapconcat (lambda (b)
(let ((s (ls-compile `(quote ,(car b)))))
- (concat s ".value" " = " (cdr b) ";" *newline*)))
+ (code s ".value" " = " (cdr b) ";" *newline*)))
bindings))
"}" *newline*))
(cvalues (mapcar #'ls-compile (mapcar #'second bindings)))
(*environment* (extend-local-env (remove-if #'special-variable-p variables)))
(dynamic-bindings))
- (concat "(function("
- (join (mapcar (lambda (x)
- (if (special-variable-p x)
- (let ((v (gvarname x)))
- (push (cons x v) dynamic-bindings)
- v)
- (translate-variable x)))
- variables)
- ",")
- "){" *newline*
- (let ((body (ls-compile-block body t)))
- (indent (let-binding-wrapper dynamic-bindings body)))
- "})(" (join cvalues ",") ")")))
+ (code "(function("
+ (join (mapcar (lambda (x)
+ (if (special-variable-p x)
+ (let ((v (gvarname x)))
+ (push (cons x v) dynamic-bindings)
+ v)
+ (translate-variable x)))
+ variables)
+ ",")
+ "){" *newline*
+ (let ((body (ls-compile-block body t)))
+ (indent (let-binding-wrapper dynamic-bindings body)))
+ "})(" (join cvalues ",") ")")))
;;; Return the code to initialize BINDING, and push it extending the
-;;; current lexical environment if the variable is special.
+;;; current lexical environment if the variable is not special.
(defun let*-initialize-value (binding)
(let ((var (first binding))
(value (second binding)))
(if (special-variable-p var)
- (concat (ls-compile `(setq ,var ,value)) ";" *newline*)
+ (code (ls-compile `(setq ,var ,value)) ";" *newline*)
(let* ((v (gvarname var))
(b (make-binding var 'variable v)))
- (prog1 (concat "var " v " = " (ls-compile value) ";" *newline*)
+ (prog1 (code "var " v " = " (ls-compile value) ";" *newline*)
(push-to-lexenv b *environment* 'variable))))))
;;; Wrap BODY to restore the symbol values of SYMBOLS after body. It
(return-from let*-binding-wrapper body))
(let ((store (mapcar (lambda (s) (cons s (gvarname s)))
(remove-if-not #'special-variable-p symbols))))
- (concat
+ (code
"try {" *newline*
(indent
(mapconcat (lambda (b)
(let ((s (ls-compile `(quote ,(car b)))))
- (concat "var " (cdr b) " = " s ".value;" *newline*)))
+ (code "var " (cdr b) " = " s ".value;" *newline*)))
store)
body)
"}" *newline*
(indent
(mapconcat (lambda (b)
(let ((s (ls-compile `(quote ,(car b)))))
- (concat s ".value" " = " (cdr b) ";" *newline*)))
+ (code s ".value" " = " (cdr b) ";" *newline*)))
store))
"}" *newline*)))
(defvar *block-counter* 0)
(define-compilation block (name &rest body)
- (let* ((tr (integer-to-string (incf *block-counter*)))
- (b (make-binding name 'block tr))
- (*environment* (extend-lexenv (list b) *environment* 'block))
- (cbody (ls-compile-block body t)))
- (if (member 'used (binding-declarations b))
- (js!selfcall
- "try {" *newline*
- (indent cbody)
- "}" *newline*
- "catch (cf){" *newline*
- " if (cf.type == 'block' && cf.id == " tr ")" *newline*
- " return cf.value;" *newline*
- " else" *newline*
- " throw cf;" *newline*
- "}" *newline*)
- (js!selfcall
- (indent cbody)))))
+ (let* ((tr (incf *block-counter*))
+ (b (make-binding name 'block tr)))
+ (when *multiple-value-p*
+ (push-binding-declaration 'multiple-value b))
+ (let* ((*environment* (extend-lexenv (list b) *environment* 'block))
+ (cbody (ls-compile-block body t)))
+ (if (member 'used (binding-declarations b))
+ (js!selfcall
+ "try {" *newline*
+ (indent cbody)
+ "}" *newline*
+ "catch (cf){" *newline*
+ " if (cf.type == 'block' && cf.id == " tr ")" *newline*
+ (if *multiple-value-p*
+ " return values.apply(this, forcemv(cf.values));"
+ " return cf.values;")
+ *newline*
+ " else" *newline*
+ " throw cf;" *newline*
+ "}" *newline*)
+ (js!selfcall cbody)))))
(define-compilation return-from (name &optional value)
- (let ((b (lookup-in-lexenv name *environment* 'block)))
+ (let* ((b (lookup-in-lexenv name *environment* 'block))
+ (multiple-value-p (member 'multiple-value (binding-declarations b))))
(when (null b)
(error (concat "Unknown block `" (symbol-name name) "'.")))
(push-binding-declaration 'used b)
(js!selfcall
+ (when multiple-value-p (code "var values = mv;" *newline*))
"throw ({"
"type: 'block', "
"id: " (binding-value b) ", "
- "value: " (ls-compile value) ", "
+ "values: " (ls-compile value multiple-value-p) ", "
"message: 'Return from unknown block " (symbol-name name) ".'"
"})")))
(js!selfcall
"var id = " (ls-compile id) ";" *newline*
"try {" *newline*
- (indent "return " (ls-compile `(progn ,@body))
- ";" *newline*)
+ (indent (ls-compile-block body t)) *newline*
"}" *newline*
"catch (cf){" *newline*
" if (cf.type == 'catch' && cf.id == id)" *newline*
- " return cf.value;" *newline*
+ (if *multiple-value-p*
+ " return values.apply(this, forcemv(cf.values));"
+ " return pv.apply(this, forcemv(cf.values));")
+ *newline*
" else" *newline*
" throw cf;" *newline*
"}" *newline*))
(define-compilation throw (id value)
(js!selfcall
+ "var values = mv;" *newline*
"throw ({"
"type: 'catch', "
"id: " (ls-compile id) ", "
- "value: " (ls-compile value) ", "
+ "values: " (ls-compile value t) ", "
"message: 'Throw uncatched.'"
"})"))
(unless (go-tag-p (car body))
(push (gensym "START") body))
;; Tagbody compilation
- (let ((tbidx (integer-to-string *tagbody-counter*)))
+ (let ((tbidx *tagbody-counter*))
(let ((*environment* (declare-tagbody-tags tbidx body))
initag)
(let ((b (lookup-in-lexenv (first body) *environment* 'gotag)))
"while (true) {" *newline*
(indent "try {" *newline*
(indent (let ((content ""))
- (concat "switch(tagbody_" tbidx "){" *newline*
- "case " initag ":" *newline*
- (dolist (form (cdr body) content)
- (concatf content
- (if (not (go-tag-p form))
- (indent (ls-compile form) ";" *newline*)
- (let ((b (lookup-in-lexenv form *environment* 'gotag)))
- (concat "case " (second (binding-value b)) ":" *newline*)))))
- "default:" *newline*
- " break tbloop;" *newline*
- "}" *newline*)))
+ (code "switch(tagbody_" tbidx "){" *newline*
+ "case " initag ":" *newline*
+ (dolist (form (cdr body) content)
+ (concatf content
+ (if (not (go-tag-p form))
+ (indent (ls-compile form) ";" *newline*)
+ (let ((b (lookup-in-lexenv form *environment* 'gotag)))
+ (code "case " (second (binding-value b)) ":" *newline*)))))
+ "default:" *newline*
+ " break tbloop;" *newline*
+ "}" *newline*)))
"}" *newline*
"catch (jump) {" *newline*
" if (jump.type == 'tagbody' && jump.id == " tbidx ")" *newline*
(n (cond
((symbolp label) (symbol-name label))
((integerp label) (integer-to-string label)))))
- (if b
- (js!selfcall
- "throw ({"
- "type: 'tagbody', "
- "id: " (first (binding-value b)) ", "
- "label: " (second (binding-value b)) ", "
- "message: 'Attempt to GO to non-existing tag " n "'"
- "})" *newline*)
- (error (concat "Unknown tag `" n "'.")))))
+ (when (null b)
+ (error (concat "Unknown tag `" n "'.")))
+ (js!selfcall
+ "throw ({"
+ "type: 'tagbody', "
+ "id: " (first (binding-value b)) ", "
+ "label: " (second (binding-value b)) ", "
+ "message: 'Attempt to GO to non-existing tag " n "'"
+ "})" *newline*)))
(define-compilation unwind-protect (form &rest clean-up)
(js!selfcall
"var values = mv;" *newline*
"var vs;" *newline*
(mapconcat (lambda (form)
- (concat "vs = " (ls-compile form t) ";" *newline*
- "if (typeof vs === 'object' && 'multiple-value' in vs)" *newline*
- (indent "args = args.concat(vs);" *newline*)
- "else" *newline*
- (indent "args.push(vs);" *newline*)))
+ (code "vs = " (ls-compile form t) ";" *newline*
+ "if (typeof vs === 'object' && 'multiple-value' in vs)" *newline*
+ (indent "args = args.concat(vs);" *newline*)
+ "else" *newline*
+ (indent "args.push(vs);" *newline*)))
forms)
"return func.apply(window, args);" *newline*) ";" *newline*))
"return args;" *newline*))
-#+common-lisp
-(progn
-
- )
-
;;; A little backquote implementation without optimizations of any
;;; kind for ecmalisp.
(defmacro type-check (decls &body body)
`(js!selfcall
,@(mapcar (lambda (decl)
- `(concat "var " ,(first decl) " = " ,(third decl) ";" *newline*))
- decls)
+ `(code "var " ,(first decl) " = " ,(third decl) ";" *newline*))
+ decls)
,@(mapcar (lambda (decl)
- `(concat "if (typeof " ,(first decl) " != '" ,(second decl) "')" *newline*
- (indent "throw 'The value ' + "
- ,(first decl)
- " + ' is not a type "
- ,(second decl)
- ".';"
- *newline*)))
+ `(code "if (typeof " ,(first decl) " != '" ,(second decl) "')" *newline*
+ (indent "throw 'The value ' + "
+ ,(first decl)
+ " + ' is not a type "
+ ,(second decl)
+ ".';"
+ *newline*)))
decls)
- (concat "return " (progn ,@body) ";" *newline*)))
+ (code "return " (progn ,@body) ";" *newline*)))
;;; VARIABLE-ARITY compiles variable arity operations. ARGS stands for
;;; a variable which holds a list of forms. It will compile them and
(unless (consp args)
(error "ARGS must be a non-empty list"))
(let ((counter 0)
- (variables '())
+ (fargs '())
(prelude ""))
(dolist (x args)
- (let ((v (concat "x" (integer-to-string (incf counter)))))
- (push v variables)
- (concatf prelude
- (concat "var " v " = " (ls-compile x) ";" *newline*
- "if (typeof " v " !== 'number') throw 'Not a number!';"
- *newline*))))
- (js!selfcall prelude (funcall function (reverse variables)))))
+ (if (numberp x)
+ (push (integer-to-string x) fargs)
+ (let ((v (code "x" (incf counter))))
+ (push v fargs)
+ (concatf prelude
+ (code "var " v " = " (ls-compile x) ";" *newline*
+ "if (typeof " v " !== 'number') throw 'Not a number!';"
+ *newline*)))))
+ (js!selfcall prelude (funcall function (reverse fargs)))))
(defmacro variable-arity (args &body body)
(error "Bad usage of VARIABLE-ARITY, you must pass a symbol"))
`(variable-arity-call ,args
(lambda (,args)
- (concat "return " ,@body ";" *newline*))))
+ (code "return " ,@body ";" *newline*))))
(defun num-op-num (x op y)
(type-check (("x" "number" x) ("y" "number" y))
- (concat "x" op "y")))
+ (code "x" op "y")))
(define-raw-builtin + (&rest numbers)
(if (null numbers)
(define-builtin-comparison = "==")
(define-builtin numberp (x)
- (js!bool (concat "(typeof (" x ") == \"number\")")))
+ (js!bool (code "(typeof (" x ") == \"number\")")))
(define-builtin floor (x)
(type-check (("x" "number" x))
"Math.floor(x)"))
(define-builtin cons (x y)
- (concat "({car: " x ", cdr: " y "})"))
+ (code "({car: " x ", cdr: " y "})"))
(define-builtin consp (x)
(js!bool
(ls-compile nil)
": tmp.cdr;" *newline*))
-(define-builtin setcar (x new)
+(define-builtin rplaca (x new)
(type-check (("x" "object" x))
- (concat "(x.car = " new ")")))
+ (code "(x.car = " new ", x)")))
-(define-builtin setcdr (x new)
+(define-builtin rplacd (x new)
(type-check (("x" "object" x))
- (concat "(x.cdr = " new ")")))
+ (code "(x.cdr = " new ", x)")))
(define-builtin symbolp (x)
(js!bool
"({name: name})"))
(define-builtin symbol-name (x)
- (concat "(" x ").name"))
+ (code "(" x ").name"))
(define-builtin set (symbol value)
- (concat "(" symbol ").value = " value))
+ (code "(" symbol ").value = " value))
(define-builtin fset (symbol value)
- (concat "(" symbol ").fvalue = " value))
+ (code "(" symbol ").fvalue = " value))
(define-builtin boundp (x)
- (js!bool (concat "(" x ".value !== undefined)")))
+ (js!bool (code "(" x ".value !== undefined)")))
(define-builtin symbol-value (x)
(js!selfcall
"return func;" *newline*))
(define-builtin symbol-plist (x)
- (concat "((" x ").plist || " (ls-compile nil) ")"))
+ (code "((" x ").plist || " (ls-compile nil) ")"))
(define-builtin lambda-code (x)
- (concat "(" x ").toString()"))
+ (code "(" x ").toString()"))
-(define-builtin eq (x y) (js!bool (concat "(" x " === " y ")")))
-(define-builtin equal (x y) (js!bool (concat "(" x " == " y ")")))
+(define-builtin eq (x y) (js!bool (code "(" x " === " y ")")))
+(define-builtin equal (x y) (js!bool (code "(" x " == " y ")")))
(define-builtin char-to-string (x)
(type-check (("x" "number" x))
"String.fromCharCode(x)"))
(define-builtin stringp (x)
- (js!bool (concat "(typeof(" x ") == \"string\")")))
+ (js!bool (code "(typeof(" x ") == \"string\")")))
(define-builtin string-upcase (x)
(type-check (("x" "string" x))
"var str = " (ls-compile string) ";" *newline*
"var a = " (ls-compile a) ";" *newline*
"var b;" *newline*
- (if b
- (concat "b = " (ls-compile b) ";" *newline*)
- "")
+ (when b (code "b = " (ls-compile b) ";" *newline*))
"return str.slice(a,b);" *newline*))
(define-builtin char (string index)
"string1.concat(string2)"))
(define-raw-builtin funcall (func &rest args)
- (concat "(" (ls-compile func) ")("
- (join (cons (if *multiple-value-p* "values" "pv")
- (mapcar #'ls-compile args))
- ", ")
- ")"))
+ (code "(" (ls-compile func) ")("
+ (join (cons (if *multiple-value-p* "values" "pv")
+ (mapcar #'ls-compile args))
+ ", ")
+ ")"))
(define-raw-builtin apply (func &rest args)
(if (null args)
- (concat "(" (ls-compile func) ")()")
+ (code "(" (ls-compile func) ")()")
(let ((args (butlast args))
(last (car (last args))))
(js!selfcall
(define-builtin new () "{}")
(define-builtin objectp (x)
- (js!bool (concat "(typeof (" x ") === 'object')")))
+ (js!bool (code "(typeof (" x ") === 'object')")))
(define-builtin oget (object key)
(js!selfcall
"return tmp == undefined? " (ls-compile nil) ": tmp ;" *newline*))
(define-builtin oset (object key value)
- (concat "((" object ")[" key "] = " value ")"))
+ (code "((" object ")[" key "] = " value ")"))
(define-builtin in (key object)
- (js!bool (concat "((" key ") in (" object "))")))
+ (js!bool (code "((" key ") in (" object "))")))
(define-builtin functionp (x)
- (js!bool (concat "(typeof " x " == 'function')")))
+ (js!bool (code "(typeof " x " == 'function')")))
(define-builtin write-string (x)
(type-check (("x" "string" x))
"return x[i] = " value ";" *newline*))
(define-builtin get-unix-time ()
- (concat "(Math.round(new Date() / 1000))"))
+ (code "(Math.round(new Date() / 1000))"))
(define-builtin values-array (array)
(if *multiple-value-p*
- (concat "values.apply(this, " array ")")
- (concat "pv.apply(this, " array ")")))
+ (code "values.apply(this, " array ")")
+ (code "pv.apply(this, " array ")")))
(define-raw-builtin values (&rest args)
(if *multiple-value-p*
- (concat "values(" (join (mapcar #'ls-compile args) ", ") ")")
- (concat "pv(" (join (mapcar #'ls-compile args) ", ") ")")))
+ (code "values(" (join (mapcar #'ls-compile args) ", ") ")")
+ (code "pv(" (join (mapcar #'ls-compile args) ", ") ")")))
(defun macro (x)
(and (symbolp x)
form)))
(defun compile-funcall (function args)
- (let ((values-funcs (if *multiple-value-p* "values" "pv")))
- (if (and (symbolp function)
- #+ecmalisp (eq (symbol-package function) (find-package "COMMON-LISP"))
- #+common-lisp t)
- (concat (ls-compile `',function) ".fvalue("
- (join (cons values-funcs (mapcar #'ls-compile args))
- ", ")
- ")")
- (concat (ls-compile `#',function) "("
- (join (cons values-funcs (mapcar #'ls-compile args))
- ", ")
- ")"))))
+ (let* ((values-funcs (if *multiple-value-p* "values" "pv"))
+ (arglist (concat "(" (join (cons values-funcs (mapcar #'ls-compile args)) ", ") ")")))
+ (cond
+ ((translate-function function)
+ (concat (translate-function function) arglist))
+ ((and (symbolp function)
+ #+ecmalisp (eq (symbol-package function) (find-package "COMMON-LISP"))
+ #+common-lisp t)
+ (code (ls-compile `',function) ".fvalue" arglist))
+ (t
+ (code (ls-compile `#',function) arglist)))))
(defun ls-compile-block (sexps &optional return-last-p)
(if return-last-p
- (concat (ls-compile-block (butlast sexps))
- "return " (ls-compile (car (last sexps)) *multiple-value-p*) ";")
+ (code (ls-compile-block (butlast sexps))
+ "return " (ls-compile (car (last sexps)) *multiple-value-p*) ";")
(join-trailing
(remove-if #'null-or-empty-p (mapcar #'ls-compile sexps))
(concat ";" *newline*))))
(binding-value b))
((or (keywordp sexp)
(member 'constant (binding-declarations b)))
- (concat (ls-compile `',sexp) ".value"))
+ (code (ls-compile `',sexp) ".value"))
(t
(ls-compile `(symbol-value ',sexp))))))
((integerp sexp) (integer-to-string sexp))
- ((stringp sexp) (concat "\"" (escape-string sexp) "\""))
+ ((stringp sexp) (code "\"" (escape-string sexp) "\""))
((arrayp sexp) (literal sexp))
((listp sexp)
(let ((name (car sexp))
(join (remove-if #'null-or-empty-p subs))))
(t
(let ((code (ls-compile sexp multiple-value-p)))
- (concat (join-trailing (get-toplevel-compilations)
- (concat ";" *newline*))
- (if code
- (concat code ";" *newline*)
- "")))))))
+ (code (join-trailing (get-toplevel-compilations)
+ (code ";" *newline*))
+ (when code
+ (code code ";" *newline*))))))))
;;; Once we have the compiler, we define the runtime environment and
(defun eval (x)
(js-eval (ls-compile-toplevel x t)))
- (export '(&rest &optional &body * *gensym-counter* *package* + - / 1+ 1- < <= =
- = > >= and append apply aref arrayp aset assoc atom block boundp
- boundp butlast caar cadddr caddr cadr car car case catch cdar cdddr
- cddr cdr cdr char char-code char= code-char cond cons consp copy-list
- decf declaim defparameter defun defmacro defvar digit-char-p
- disassemble documentation dolist dotimes ecase eq eql equal error eval
- every export fdefinition find-package find-symbol first fourth fset
- funcall function functionp gensym get-universal-time go identity if
- in-package incf integerp integerp intern keywordp lambda last length
- let let* list-all-packages list listp make-array make-package
- make-symbol mapcar member minusp mod multiple-value-bind
- multiple-value-call multiple-value-list multiple-value-prog1 nil not
- nth nthcdr null numberp or package-name package-use-list packagep
- plusp prin1-to-string print proclaim prog1 prog2 progn psetq push
- quote remove remove-if remove-if-not return return-from revappend
- reverse second set setq some string-upcase string string= stringp
- subseq symbol-function symbol-name symbol-package symbol-plist
- symbol-value symbolp t tagbody third throw truncate unless
- unwind-protect values values-list variable warn when write-line
- write-string zerop))
+ (export '(&rest &key &optional &body * *gensym-counter* *package* +
+ - / 1+ 1- < <= = = > >= and append apply aref arrayp assoc
+ atom block boundp boundp butlast caar cadddr caddr cadr
+ car car case catch cdar cdddr cddr cdr cdr char char-code
+ char= code-char cond cons consp constantly copy-list decf
+ declaim defconstant defparameter defun defmacro defvar
+ digit-char digit-char-p disassemble do do* documentation
+ dolist dotimes ecase eq eql equal error eval every export
+ fdefinition find-package find-symbol first flet fourth
+ fset funcall function functionp gensym get-universal-time
+ go identity if in-package incf integerp integerp intern
+ keywordp labels lambda last length let let*
+ list-all-packages list listp make-array make-package
+ make-symbol mapcar member minusp mod multiple-value-bind
+ multiple-value-call multiple-value-list
+ multiple-value-prog1 nil not nth nthcdr null numberp or
+ package-name package-use-list packagep parse-integer plusp
+ prin1-to-string print proclaim prog1 prog2 progn psetq
+ push quote remove remove-if remove-if-not return
+ return-from revappend reverse rplaca rplacd second set setf
+ setq some string-upcase string string= stringp subseq
+ symbol-function symbol-name symbol-package symbol-plist
+ symbol-value symbolp t tagbody third throw truncate unless
+ unwind-protect values values-list variable warn when
+ write-line write-string zerop))
(setq *package* *user-package*)
;; environment at this point of the compilation.
(eval-when-compile
(toplevel-compilation
+ (ls-compile `(setq *environment* ',*environment*))))
+
+ (eval-when-compile
+ (toplevel-compilation
(ls-compile
`(progn
,@(mapcar (lambda (s) `(%intern-symbol (js-vref ,(cdr s))))
*literal-symbols*)
(setq *literal-symbols* ',*literal-symbols*)
- (setq *environment* ',*environment*)
(setq *variable-counter* ,*variable-counter*)
(setq *gensym-counter* ,*gensym-counter*)
(setq *block-counter* ,*block-counter*)))))
seq)))
(defun ls-compile-file (filename output)
- (setq *compilation-unit-checks* nil)
- (with-open-file (out output :direction :output :if-exists :supersede)
- (write-string (read-whole-file "prelude.js") out)
- (let* ((source (read-whole-file filename))
- (in (make-string-stream source)))
- (loop
- for x = (ls-read in)
- until (eq x *eof*)
- for compilation = (ls-compile-toplevel x)
- when (plusp (length compilation))
- do (write-string compilation out))
- (dolist (check *compilation-unit-checks*)
- (funcall check))
- (setq *compilation-unit-checks* nil))))
+ (let ((*compiling-file* t))
+ (with-open-file (out output :direction :output :if-exists :supersede)
+ (write-string (read-whole-file "prelude.js") out)
+ (let* ((source (read-whole-file filename))
+ (in (make-string-stream source)))
+ (loop
+ for x = (ls-read in)
+ until (eq x *eof*)
+ for compilation = (ls-compile-toplevel x)
+ when (plusp (length compilation))
+ do (write-string compilation out))))))
(defun bootstrap ()
(setq *environment* (make-lexenv))
projects / jscl.git / blobdiff