;;; 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
(defun reverse (list)
(revappend list '()))
+ (defmacro psetq (&rest pairs)
+ (let ( ;; For each pair, we store here a list of the form
+ ;; (VARIABLE GENSYM VALUE).
+ (assignments '()))
+ (while t
+ (cond
+ ((null pairs) (return))
+ ((null (cdr pairs))
+ (error "Odd paris in PSETQ"))
+ (t
+ (let ((variable (car pairs))
+ (value (cadr pairs)))
+ (push `(,variable ,(gensym) ,value) assignments)
+ (setq pairs (cddr pairs))))))
+ (setq assignments (reverse assignments))
+ ;;
+ `(let ,(mapcar #'cdr assignments)
+ (setq ,@(!reduce #'append (mapcar #'butlast assignments) '())))))
+
(defun list-length (list)
(let ((l 0))
(while (not (null list))
(defun export (symbols &optional (package *package*))
(let ((exports (%package-external-symbols package)))
(dolist (symb symbols t)
- (oset exports (symbol-name symb) symb)))))
+ (oset exports (symbol-name symb) symb))))
+
+ (defun get-universal-time ()
+ (+ (get-unix-time) 2208988800)))
;;; The compiler offers some primitives and special forms which are
(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.
(symbol-name form)
(let ((package (symbol-package form))
(name (symbol-name form)))
- (concat (if (eq package (find-package "KEYWORD"))
- ""
- (package-name package))
+ (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) "\""))
(#\'
(list 'function (ls-read stream)))
(#\( (list-to-vector (%read-list stream)))
+ (#\: (make-symbol (string-upcase (read-until stream #'terminalp))))
(#\\
(let ((cname
(concat (string (%read-char stream))
"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 "};"
(ls-compile-block body t)) *newline*
"})"))))
-(define-compilation setq (var val)
+
+(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))
(ls-compile `(set ',var ,val)))))
+(define-compilation setq (&rest pairs)
+ (let ((result ""))
+ (while t
+ (cond
+ ((null pairs) (return))
+ ((null (cdr pairs))
+ (error "Odd paris in SETQ"))
+ (t
+ (concatf result
+ (concat (setq-pair (car pairs) (cadr pairs))
+ (if (null (cddr pairs)) "" ", ")))
+ (setq pairs (cddr pairs)))))
+ (concat "(" result ")")))
+
;;; FFI Variable accessors
(define-compilation js-vref (var)
var)
(concat "(" var " = " (ls-compile val) ")"))
+
;;; Literals
(defun escape-string (string)
(let ((output "")
(or (cdr (assoc sexp *literal-symbols*))
(let ((v (genlit))
(s #+common-lisp (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")
- #+ecmalisp (ls-compile
- `(intern ,(symbol-name sexp)
- ,(package-name (symbol-package 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)))))))
(push (cons sexp v) *literal-symbols*)
(toplevel-compilation (concat "var " v " = " s))
v)))
(js!selfcall (ls-compile-block body t)))
(defun special-variable-p (x)
- (claimp x 'variable 'special))
+ (and (claimp x 'variable 'special) t))
;;; Wrap CODE to restore the symbol values of the dynamic
;;; bindings. BINDINGS is a list of pairs of the form
"}" *newline*))
(define-compilation let (bindings &rest body)
- (let ((bindings (mapcar #'ensure-list bindings)))
- (let ((variables (mapcar #'first bindings)))
- (let ((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 ",") ")")))))
+ (let* ((bindings (mapcar #'ensure-list bindings))
+ (variables (mapcar #'first bindings))
+ (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 ",") ")")))
;;; Return the code to initialize BINDING, and push it extending the
(value (second binding)))
(if (special-variable-p var)
(concat (ls-compile `(setq ,var ,value)) ";" *newline*)
- (let ((v (gvarname var)))
- (let ((b (make-binding var 'variable v)))
- (prog1 (concat "var " v " = " (ls-compile value) ";" *newline*)
- (push-to-lexenv b *environment* 'variable)))))))
+ (let* ((v (gvarname var))
+ (b (make-binding var 'variable v)))
+ (prog1 (concat "var " v " = " (ls-compile value) ";" *newline*)
+ (push-to-lexenv b *environment* 'variable))))))
;;; Wrap BODY to restore the symbol values of SYMBOLS after body. It
;;; DOES NOT generate code to initialize the value of the symbols,
"})" *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*
"if (i < 0 || i >= x.length) throw 'Out of range';" *newline*
"return x[i] = " value ";" *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))
", ")
")")))
(ls-compile-toplevel x))))
(js-eval code)))
- (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 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 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 nil not nth nthcdr null numberp or package-name
- package-use-list packagep plusp prin1-to-string print
- proclaim prog1 prog2 pron 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 variable warn when write-line write-string
- zerop))
+ (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 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 variable warn when
+ write-line write-string zerop))
(setq *package* *user-package*)
projects / jscl.git / blobdiff