`(eval-when-compile
,@(mapcar (lambda (decl) `(!proclaim ',decl)) decls)))
- (declaim (constant nil t) (special t nil))
- (setq nil 'nil)
+ (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)
- (setq t 't)
(defmacro lambda (args &body body)
`(function (lambda ,args ,@body)))
(defun identity (x) x)
+ (defun constantly (x)
+ (lambda (&rest args)
+ x))
+
(defun copy-list (x)
(mapcar #'identity x))
(defun digit-char (weight)
(and (<= 0 weight 9)
- (char "0123456789" weight)))
+ (char "0123456789" weight)))
(defun subseq (seq a &optional b)
(cond
(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.
-
-#+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)))))
-
(defun integer-to-string (x)
(cond
((zerop x)
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) "})()"))
-
-
;;; Printer
#+ecmalisp
;;; too. The respective real functions are defined in the target (see
;;; the beginning of this file) as well as some primitive functions.
+(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) ")"))
+
+;;; 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
;;; function call.
(defvar *multiple-value-p* nil)
-
(defun make-binding (name type value &optional declarations)
(list name type value declarations))
(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)))
*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)))
+ (apply #'code strs)))
(defun lambda-check-argument-count
(n-required-arguments n-optional-arguments rest-p)
(block nil
;; Special case: a positive exact number of arguments.
(when (and (< 1 min) (eql min max))
- (return (concat "checkArgs(arguments, " (integer-to-string min) ");" *newline*)))
+ (return (code "checkArgs(arguments, " min ");" *newline*)))
;; General case:
- (concat
- (if (< 1 min)
- (concat "checkArgsAtLeast(arguments, " (integer-to-string min) ");" *newline*)
- "")
- (if (numberp max)
- (concat "checkArgsAtMost(arguments, " (integer-to-string max) ");" *newline*)
- "")))))
+ (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
+ "var i;" *newline*
+ ;; 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*)))
+ (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 ("
;; Check number of arguments
(lambda-check-argument-count n-required-arguments
n-optional-arguments
- rest-argument)
- ;; 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)))
+ (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 (and (eq (binding-type b) 'variable)
(not (member 'special (binding-declarations b)))
(not (member 'constant (binding-declarations b))))
- (concat (binding-value b) " = " (ls-compile val))
+ (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
(let ((package (symbol-package sexp)))
(if (eq package (find-package "KEYWORD"))
- (concat "{name: \"" (escape-string (symbol-name sexp))
- "\", 'package': '" (package-name package) "'}")
- (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")))
+ (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)
- (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")
+ (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* ((head (butlast sexp))
(tail (last sexp))
- (c (concat "QIList("
- (join-trailing (mapcar (lambda (x) (literal x t)) head) ",")
- (literal (car tail) t)
- ","
- (literal (cdr tail) t)
- ")")))
+ (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))
+ (toplevel-compilation (code "var " v " = " c))
v))))
((arrayp sexp)
(let ((elements (vector-to-list sexp)))
(if recursive
c
(let ((v (genlit)))
- (toplevel-compilation (concat "var " v " = " c))
+ (toplevel-compilation (code "var " v " = " c))
v)))))))
(define-compilation quote (sexp)
(extend-lexenv (mapcar #'make-function-binding fnames)
*environment*
'function)))
- (concat "(function("
- (join (mapcar #'translate-function fnames) ",")
- "){" *newline*
- (let ((body (ls-compile-block body t)))
- (indent body))
- "})(" (join cfuncs ",") ")")))
+ (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))
'function)))
(js!selfcall
(mapconcat (lambda (func)
- (concat "var " (translate-function (car func))
- " = " (compile-lambda (cadr func) (cddr func))
- ";" *newline*))
+ (code "var " (translate-function (car func))
+ " = " (compile-lambda (cadr func) (cddr func))
+ ";" *newline*))
definitions)
(ls-compile-block body t))))
(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
(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*)))
+ (let* ((tr (incf *block-counter*))
(b (make-binding name 'block tr)))
(when *multiple-value-p*
(push-binding-declaration 'multiple-value b))
(error (concat "Unknown block `" (symbol-name name) "'.")))
(push-binding-declaration 'used b)
(js!selfcall
- (if multiple-value-p
- (concat "var values = mv;" *newline*)
- "")
+ (when multiple-value-p (code "var values = mv;" *newline*))
"throw ({"
"type: 'block', "
"id: " (binding-value b) ", "
(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*))
(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
(variables '())
(prelude ""))
(dolist (x args)
- (let ((v (concat "x" (integer-to-string (incf counter)))))
+ (let ((v (code "x" (incf counter))))
(push v variables)
(concatf prelude
- (concat "var " v " = " (ls-compile x) ";" *newline*
- "if (typeof " v " !== 'number') throw 'Not a number!';"
- *newline*))))
+ (code "var " v " = " (ls-compile x) ";" *newline*
+ "if (typeof " v " !== 'number') throw 'Not a number!';"
+ *newline*))))
(js!selfcall prelude (funcall function (reverse variables)))))
(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
(define-builtin rplaca (x new)
(type-check (("x" "object" x))
- (concat "(x.car = " new ", x)")))
+ (code "(x.car = " new ", x)")))
(define-builtin rplacd (x new)
(type-check (("x" "object" x))
- (concat "(x.cdr = " new ", x)")))
+ (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)
((and (symbolp function)
#+ecmalisp (eq (symbol-package function) (find-package "COMMON-LISP"))
#+common-lisp t)
- (concat (ls-compile `',function) ".fvalue" arglist))
+ (code (ls-compile `',function) ".fvalue" arglist))
(t
- (concat (ls-compile `#',function) arglist)))))
+ (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 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 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
+ 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*)
projects / jscl.git / blobdiff