-;;; compiler.lisp ---
+;;; compiler.lisp ---
;; copyright (C) 2012, 2013 David Vazquez
;; Copyright (C) 2012 Raimon Grau
(incf index))
output)))
-#+common-lisp
+#-jscl
(defun indent (&rest string)
(with-output-to-string (*standard-output*)
(with-input-from-string (input (apply #'code string))
(incf index))
output))
-(defvar *literal-table* nil)
-(defvar *literal-counter* 0)
-
-;;; BOOTSTRAP MAGIC: During bootstrap, we record the macro definitions
-;;; as lists. Once everything is compiled, we want to dump the whole
-;;; global environment to the output file to reproduce it in the
+;;; BOOTSTRAP MAGIC: We record the macro definitions as lists during
+;;; the bootstrap. Once everything is compiled, we want to dump the
+;;; whole global environment to the output file to reproduce it in the
;;; run-time. However, the environment must contain expander functions
;;; rather than lists. We do not know how to dump function objects
-;;; itself, so we mark the definitions with this object and the
+;;; itself, so we mark the list definitions with this object and the
;;; compiler will be called when this object has to be dumped.
;;; Backquote/unquote does a similar magic, but this use is exclusive.
+;;;
+;;; Indeed, perhaps to compile the object other macros need to be
+;;; evaluated. For this reason we define a valid macro-function for
+;;; this symbol.
(defvar *magic-unquote-marker* (gensym "MAGIC-UNQUOTE"))
+#-jscl
+(setf (macro-function *magic-unquote-marker*)
+ (lambda (form &optional environment)
+ (declare (ignore environment))
+ (second form)))
+
+(defvar *literal-table* nil)
+(defvar *literal-counter* 0)
(defun genlit ()
(code "l" (incf *literal-counter*)))
(defun dump-symbol (symbol)
- #+common-lisp
+ #-jscl
(let ((package (symbol-package symbol)))
(if (eq package (find-package "KEYWORD"))
- (code "(new Symbol(" (dump-string (symbol-name symbol)) ", "
- (dump-string (package-name package)) "))")
+ (code "(new Symbol(" (dump-string (symbol-name symbol)) ", " (dump-string (package-name package)) "))")
(code "(new Symbol(" (dump-string (symbol-name symbol)) "))")))
#+jscl
(let ((package (symbol-package symbol)))
((floatp sexp) (float-to-string sexp))
((characterp sexp) (code "\"" (escape-string (string sexp)) "\""))
(t
- (or (cdr (assoc sexp *literal-table* :test #'equal))
+ (or (cdr (assoc sexp *literal-table* :test #'eql))
(let ((dumped (typecase sexp
(symbol (dump-symbol sexp))
(string (dump-string sexp))
(cons
+ ;; BOOTSTRAP MAGIC: See the root file
+ ;; jscl.lisp and the function
+ ;; `dump-global-environment' for futher
+ ;; information.
(if (eq (car sexp) *magic-unquote-marker*)
- (ls-compile (cdr sexp))
+ (ls-compile (second sexp))
(dump-cons sexp)))
(array (dump-array sexp)))))
(if (and recursive (not (symbolp sexp)))
(let ((jsvar (genlit)))
(push (cons sexp jsvar) *literal-table*)
(toplevel-compilation (code "var " jsvar " = " dumped))
+ (when (keywordp sexp)
+ (toplevel-compilation (code jsvar ".value = " jsvar)))
jsvar)))))))
variables)
",")
"){" *newline*
- (let ((body (ls-compile-block body t)))
+ (let ((body (ls-compile-block body t t)))
(indent (let-binding-wrapper dynamic-bindings body)))
"})(" (join cvalues ",") ")")))
(js!selfcall
(let ((specials (remove-if-not #'special-variable-p (mapcar #'first bindings)))
(body (concat (mapconcat #'let*-initialize-value bindings)
- (ls-compile-block body t))))
+ (ls-compile-block body t t))))
(let*-binding-wrapper specials body)))))
(define-builtin-comparison >= ">=")
(define-builtin-comparison <= "<=")
(define-builtin-comparison = "==")
+(define-builtin-comparison /= "!=")
(define-builtin numberp (x)
(js!bool (code "(typeof (" x ") == \"number\")")))
(define-builtin boundp (x)
(js!bool (code "(" x ".value !== undefined)")))
+(define-builtin fboundp (x)
+ (js!bool (code "(" x ".fvalue !== undefined)")))
+
(define-builtin symbol-value (x)
(js!selfcall
"var symbol = " x ";" *newline*
"var x = " x ";" *newline*
"return (typeof(" x ") == \"string\") && x.length == 1;")))
-(define-builtin char-to-string (x)
- (js!selfcall
- "var r = [" x "];" *newline*
- "r.type = 'character';"
- "return r"))
-
(define-builtin char-upcase (x)
(code x ".toUpperCase()"))
(js!bool
(js!selfcall
"var x = " x ";" *newline*
- "return typeof(x) == 'object' && 'length' in x && x.type == 'character';")))
+ "return typeof(x) == 'object' && 'length' in x && x.stringp == 1;")))
(define-builtin string-upcase (x)
(code "make_lisp_string(xstring(" x ").toUpperCase())"))
-(define-builtin string-length (x)
- (code x ".length"))
-
(define-raw-builtin slice (vector a &optional b)
(js!selfcall
"var vector = " (ls-compile vector) ";" *newline*
(define-builtin concat-two (string1 string2)
(js!selfcall
"var r = " string1 ".concat(" string2 ");" *newline*
- "r.type = 'character';"
+ "r.stringp = 1;"
"return r;" *newline*))
(define-raw-builtin funcall (func &rest args)
(define-builtin in (key object)
(js!bool (code "(xstring(" key ") in (" object "))")))
+(define-builtin map-for-in (function object)
+ (js!selfcall
+ "var f = " function ";" *newline*
+ "var g = (typeof f === 'function' ? f : f.fvalue);" *newline*
+ "var o = " object ";" *newline*
+ "for (var key in o){" *newline*
+ (indent "g(" (if *multiple-value-p* "values" "pv") ", 1, o[key]);" *newline*)
+ "}"
+ " return " (ls-compile nil) ";" *newline*))
+
(define-builtin functionp (x)
(js!bool (code "(typeof " x " == 'function')")))
(define-builtin write-string (x)
(code "lisp.write(" x ")"))
-(define-builtin make-array (n)
- (js!selfcall
- "var r = [];" *newline*
- "for (var i = 0; i < " n "; i++)" *newline*
- (indent "r.push(" (ls-compile nil) ");" *newline*)
- "return r;" *newline*))
-(define-builtin arrayp (x)
+;;; Storage vectors. They are used to implement arrays and (in the
+;;; future) structures.
+
+(define-builtin storage-vector-p (x)
(js!bool
(js!selfcall
"var x = " x ";" *newline*
"return typeof x === 'object' && 'length' in x;")))
-(define-builtin aref (array n)
+(define-builtin make-storage-vector (n)
+ (js!selfcall
+ "var r = [];" *newline*
+ "r.length = " n ";" *newline*
+ "return r;" *newline*))
+
+(define-builtin storage-vector-size (x)
+ (code x ".length"))
+
+(define-builtin resize-storage-vector (vector new-size)
+ (code "(" vector ".length = " new-size ")"))
+
+(define-builtin storage-vector-ref (vector n)
(js!selfcall
- "var x = " "(" array ")[" n "];" *newline*
+ "var x = " "(" vector ")[" n "];" *newline*
"if (x === undefined) throw 'Out of range';" *newline*
"return x;" *newline*))
-(define-builtin aset (array n value)
+(define-builtin storage-vector-set (vector n value)
(js!selfcall
- "var x = " array ";" *newline*
+ "var x = " vector ";" *newline*
"var i = " n ";" *newline*
"if (i < 0 || i >= x.length) throw 'Out of range';" *newline*
"return x[i] = " value ";" *newline*))
+
+
(define-builtin get-internal-real-time ()
"(new Date()).getTime()")
`(%js-vref ,var))))
-#+common-lisp
+#-jscl
(defvar *macroexpander-cache*
(make-hash-table :test #'eq))
(if (and b (eq (binding-type b) 'macro))
(let ((expander (binding-value b)))
(cond
- #+common-lisp
+ #-jscl
((gethash b *macroexpander-cache*)
(setq expander (gethash b *macroexpander-cache*)))
((listp expander)
;; function with the compiled one.
;;
#+jscl (setf (binding-value b) compiled)
- #+common-lisp (setf (gethash b *macroexpander-cache*) compiled)
+ #-jscl (setf (gethash b *macroexpander-cache*) compiled)
(setq expander compiled))))
expander)
nil)))
((and (consp form) (symbolp (car form)))
(let ((macrofun (!macro-function (car form))))
(if macrofun
- (values (apply macrofun (cdr form)) t)
+ (values (funcall macrofun (cdr form)) t)
(values form nil))))
(t
(values form nil))))
(concat (translate-function function) arglist))
((and (symbolp function)
#+jscl (eq (symbol-package function) (find-package "COMMON-LISP"))
- #+common-lisp t)
+ #-jscl 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
- (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*))))
+(defun ls-compile-block (sexps &optional return-last-p decls-allowed-p)
+ (multiple-value-bind (sexps decls)
+ (parse-body sexps :declarations decls-allowed-p)
+ (declare (ignore decls))
+ (if return-last-p
+ (code (ls-compile-block (butlast sexps) nil decls-allowed-p)
+ "return " (ls-compile (car (last sexps)) *multiple-value-p*) ";")
+ (join-trailing
+ (remove-if #'null-or-empty-p (mapcar #'ls-compile sexps))
+ (concat ";" *newline*)))))
(defun ls-compile (sexp &optional multiple-value-p)
(multiple-value-bind (sexp expandedp) (!macroexpand-1 sexp)