;;; language to the compiler to be able to run.
#+ecmalisp
+(js-eval "function pv (x) { return typeof x === 'object' && 'car' in x ? x.car : x; }")
+
+#+ecmalisp
(progn
(eval-when-compile
(%compile-defmacro 'defmacro
(revappend list '()))
(defmacro psetq (&rest pairs)
- (let (;; For each pair, we store here a list of the form
+ (let ( ;; For each pair, we store here a list of the form
;; (VARIABLE GENSYM VALUE).
(assignments '()))
(while t
(aset v i x)
(incf i))))
+#+ecmalisp
+(progn
+ (defun values-list (list)
+ (values-array (list-to-vector list)))
+
+ (defun values (&rest args)
+ (values-list args)))
+
+
;;; 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.
"return func;" *newline*)
(join strs)))
+
+(defvar *compiling-lambda-p* nil)
+
(define-compilation lambda (lambda-list &rest 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))
+ (*compiling-lambda-p* t)
documentation)
;; Get the documentation string for the lambda function
(when (and (stringp (car body))
(lambda-docstring-wrapper
documentation
"(function ("
- (join (mapcar #'translate-variable
- (append required-arguments optional-arguments))
+ (join (cons "values"
+ (mapcar #'translate-variable
+ (append required-arguments optional-arguments)))
",")
"){" *newline*
;; Check number of arguments
(indent
(if required-arguments
- (concat "if (arguments.length < " (integer-to-string n-required-arguments)
+ (concat "if (arguments.length < " (integer-to-string (1+ n-required-arguments))
") throw 'too few arguments';" *newline*)
"")
(if (not rest-argument)
(concat "if (arguments.length > "
- (integer-to-string (+ n-required-arguments n-optional-arguments))
+ (integer-to-string (+ 1 n-required-arguments n-optional-arguments))
") throw 'too many arguments';" *newline*)
"")
;; Optional arguments
(if optional-arguments
- (concat "switch(arguments.length){" *newline*
+ (concat "switch(arguments.length-1){" *newline*
(let ((optional-and-defaults
(lambda-list-optional-arguments-with-default lambda-list))
(cases nil)
(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 (+ n-required-arguments n-optional-arguments))
+ (integer-to-string (+ 1 n-required-arguments n-optional-arguments))
"; i--)" *newline*
(indent js!rest " = "
"{car: arguments[i], cdr: ") js!rest "};"
(concat "(" var " = " (ls-compile val) ")"))
+
;;; Literals
(defun escape-string (string)
(let ((output "")
"})" *newline*)
(error (concat "Unknown tag `" n "'.")))))
-
(define-compilation unwind-protect (form &rest clean-up)
(js!selfcall
"var ret = " (ls-compile nil) ";" *newline*
"}" *newline*
"return ret;" *newline*))
+(define-compilation multiple-value-call (func-form &rest forms)
+ (let ((func (ls-compile func-form)))
+ (js!selfcall
+ "var args = [values];" *newline*
+ "function values(){" *newline*
+ (indent "var result = [];" *newline*
+ "for (var i=0; i<arguments.length; i++)" *newline*
+ (indent "result.push(arguments[i]);"))
+ "}" *newline*
+ (mapconcat (lambda (form)
+ (ls-compile form))
+ forms)
+ "return (" func ").apply(window, [args]);")))
+
+
;;; A little backquote implementation without optimizations of any
;;; kind for ecmalisp.
(concat "(" symbol ").value = " value))
(define-builtin fset (symbol value)
- (concat "(" symbol ").function = " value))
+ (concat "(" symbol ").fvalue = " value))
(define-builtin boundp (x)
(js!bool (concat "(" x ".value !== undefined)")))
(define-builtin symbol-function (x)
(js!selfcall
"var symbol = " x ";" *newline*
- "var func = symbol.function;" *newline*
+ "var func = symbol.fvalue;" *newline*
"if (func === undefined) throw \"Function `\" + symbol.name + \"' is undefined.\";" *newline*
"return func;" *newline*))
(define-raw-builtin funcall (func &rest args)
(concat "(" (ls-compile func) ")("
- (join (mapcar #'ls-compile args)
+ (join (cons "pv" (mapcar #'ls-compile args))
", ")
")"))
(last (car (last args))))
(js!selfcall
"var f = " (ls-compile func) ";" *newline*
- "var args = [" (join (mapcar #'ls-compile args)
+ "var args = [" (join (cons "pv" (mapcar #'ls-compile args))
", ")
"];" *newline*
"var tail = (" (ls-compile last) ");" *newline*
(define-builtin get-unix-time ()
(concat "(Math.round(new Date() / 1000))"))
+(define-builtin values-array (array)
+ (concat "values.apply(this, " array ")"))
+
+(define-raw-builtin values (&rest args)
+ (if *compiling-lambda-p*
+ (concat "values(" (join (mapcar #'ls-compile args) ", ") ")")
+ (compile-funcall 'values args)))
+
(defun macro (x)
(and (symbolp x)
(defun compile-funcall (function args)
(if (and (symbolp function)
(claimp function 'function 'non-overridable))
- (concat (ls-compile `',function) ".function("
- (join (mapcar #'ls-compile args)
+ (concat (ls-compile `',function) ".fvalue("
+ (join (cons "pv" (mapcar #'ls-compile args))
", ")
")")
(concat (ls-compile `#',function) "("
- (join (mapcar #'ls-compile args)
+ (join (cons "pv" (mapcar #'ls-compile args))
", ")
")")))
projects / jscl.git / blobdiff