args)
,@body))))))
+ (defmacro declaim (&rest decls)
+ `(eval-when-compile
+ ,@(mapcar (lambda (decl) `(!proclaim ',decl)) decls)))
+
+ (declaim (constant nil t))
(setq nil 'nil)
(setq t 't)
(defmacro defvar (name value &optional docstring)
`(progn
- (unless (boundp ',name)
- (setq ,name ,value))
+ (unless (boundp ',name) (setq ,name ,value))
,@(when (stringp docstring) `((oset ',name "vardoc" ,docstring)))
',name))
(defmacro defun (name args &rest body)
`(progn
+ (declaim (non-overridable ,name))
(fset ',name
(named-lambda ,(symbol-name name) ,args
- ,@(when (stringp (car body)) `(,(car body)))
- (block ,name
- ,@(if (stringp (car body))
- (cdr body)
- body))))
+ ,@(if (and (stringp (car body)) (not (null (cdr body))))
+ `(,(car body) (block ,name ,@(cdr body)))
+ `((block ,name ,@body)))))
',name))
- (defvar *package* (new))
-
(defun null (x)
(eq x nil))
(defmacro while (condition &body body)
`(block nil (%while ,condition ,@body)))
- (defun internp (name)
- (in name *package*))
-
- (defun intern (name)
- (if (internp name)
- (oget *package* name)
- (oset *package* name (make-symbol name))))
-
- (defun find-symbol (name)
- (oget *package* name))
-
(defvar *gensym-counter* 0)
(defun gensym (&optional (prefix "G"))
(setq *gensym-counter* (+ *gensym-counter* 1))
`(prog1 (progn ,form1 ,result) ,@body)))
-
;;; This couple of helper functions will be defined in both Common
;;; Lisp and in Ecmalisp.
(defun ensure-list (x)
(setq alist (cdr alist))))
(car alist))
+ (defun string (x)
+ (cond ((stringp x) x)
+ ((symbolp x) (symbol-name x))
+ (t (char-to-string x))))
+
(defun string= (s1 s2)
(equal s1 s2))
(unless (symbolp x)
(error "Wrong argument type! it should be a symbol"))
(oget x "vardoc"))))
- )
+
+ ;; Packages
+
+ (defvar *package-list* nil)
+
+ (defun make-package (name &optional use)
+ (let ((package (new))
+ (use (mapcar #'find-package-or-fail use)))
+ (oset package "packageName" name)
+ (oset package "symbols" (new))
+ (oset package "exports" (new))
+ (oset package "use" use)
+ (push package *package-list*)
+ package))
+
+ (defun packagep (x)
+ (and (objectp x) (in "symbols" x)))
+
+ (defun find-package (package-designator)
+ (when (packagep package-designator)
+ (return-from find-package package-designator))
+ (let ((name (string package-designator)))
+ (dolist (package *package-list*)
+ (when (string= (package-name package) name)
+ (return package)))))
+
+ (defun find-package-or-fail (package-designator)
+ (or (find-package package-designator)
+ (error "Package unknown.")))
+
+ (defun package-name (package-designator)
+ (let ((package (find-package-or-fail package-designator)))
+ (oget package "packageName")))
+
+ (defun %package-symbols (package-designator)
+ (let ((package (find-package-or-fail package-designator)))
+ (oget package "symbols")))
+
+ (defun package-use-list (package-designator)
+ (let ((package (find-package-or-fail package-designator)))
+ (oget package "use")))
+
+ (defun %package-external-symbols (package-designator)
+ (let ((package (find-package-or-fail package-designator)))
+ (oget package "exports")))
+
+ (defvar *common-lisp-package*
+ (make-package "CL"))
+
+ (defvar *user-package*
+ (make-package "CL-USER" (list *common-lisp-package*)))
+
+ (defvar *package* *common-lisp-package*)
+
+ (defmacro in-package (package-designator)
+ `(eval-when-compile
+ (setq *package* (find-package-or-fail ,package-designator))))
+
+ ;; 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*)
+ (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 (cons (oget exports name) t)))))))))
+
+ (defun find-symbol (name &optional (package *package*))
+ (car (%find-symbol name package)))
+
+ (defun intern (name &optional (package *package*))
+ (let ((result (%find-symbol name package)))
+ (if (cdr result)
+ (car result)
+ (let ((symbols (%package-symbols package)))
+ (oget symbols name)
+ (let ((symbol (make-symbol name)))
+ (oset symbol "package" package)
+ (oset symbols name symbol))))))
+
+ (defun symbol-package (symbol)
+ (unless (symbolp symbol)
+ (error "it is not a symbol"))
+ (oget symbol "package"))
+
+ (defun export (symbols &optional (package *package*))
+ (let ((exports (%package-external-symbols package)))
+ (dolist (symb symbols t)
+ (oset exports (symbol-name symb) symb)))))
+
;;; The compiler offers some primitives and special forms which are
;;; not found in Common Lisp, for instance, while. So, we grow Common
(if (null (cdr last))
(prin1-to-string (car last))
(concat (prin1-to-string (car last)) " . " (prin1-to-string (cdr last)))))
- ")"))))
+ ")"))
+ ((packagep form)
+ (concat "#<PACKAGE " (package-name form) ">"))))
(defun write-line (x)
(write-string x)
(defvar *compilation-unit-checks* '())
-(defun make-binding (name type translation declared)
- (list name type translation declared))
+(defun make-binding (name type value &optional declarations)
+ (list name type value declarations))
(defun binding-name (b) (first b))
(defun binding-type (b) (second b))
(defun binding-value (b) (third b))
+(defun binding-declarations (b) (fourth b))
+
(defun set-binding-value (b value)
- (setcar (cdr (cdr b)) value))
+ (setcar (cddr b) value))
+
+(defun set-binding-declarations (b value)
+ (setcar (cdddr b) value))
+
+(defun push-binding-declaration (decl b)
+ (set-binding-declarations b (cons decl (binding-declarations b))))
-(defun binding-declared (b)
- (and b (fourth b)))
-(defun mark-binding-as-declared (b)
- (setcar (cdddr b) t))
(defun make-lexenv ()
(list nil nil nil nil))
(block (third lexenv))
(gotag (fourth lexenv)))))
-(defvar *global-environment* (make-lexenv))
(defvar *environment* (make-lexenv))
-(defun clear-undeclared-global-bindings ()
- (setq *environment*
- (mapcar (lambda (namespace)
- (remove-if-not #'binding-declared namespace))
- *environment*)))
-
-
(defvar *variable-counter* 0)
(defun gvarname (symbol)
(concat "v" (integer-to-string (incf *variable-counter*))))
(defun extend-local-env (args)
(let ((new (copy-lexenv *environment*)))
(dolist (symbol args new)
- (let ((b (make-binding symbol 'lexical-variable (gvarname symbol) t)))
+ (let ((b (make-binding symbol 'lexical-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 t) *environment* 'function))
+ (push-to-lexenv (make-binding name 'macro lambda) *environment* 'function))
+
+(defun global-binding (name type namespace)
+ (or (lookup-in-lexenv name *environment* namespace)
+ (let ((b (make-binding name type nil)))
+ (push-to-lexenv b *environment* namespace)
+ b)))
+
+(defun claimp (symbol namespace claim)
+ (let ((b (lookup-in-lexenv symbol *environment* namespace)))
+ (and b (member claim (binding-declarations b)))))
+
+(defun !proclaim (decl)
+ (case (car decl)
+ (notinline
+ (dolist (name (cdr decl))
+ (let ((b (global-binding name 'function 'function)))
+ (push-binding-declaration 'notinline b))))
+ (constant
+ (dolist (name (cdr decl))
+ (let ((b (global-binding name 'variable 'variable)))
+ (push-binding-declaration 'constant b))))
+ (non-overridable
+ (dolist (name (cdr decl))
+ (let ((b (global-binding name 'function 'function)))
+ (push-binding-declaration 'non-overridable b))))))
-(defvar *compilations* nil)
+#+ecmalisp
+(fset 'proclaim #'!proclaim)
-(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))) ";")
- (join-trailing
- (remove-if #'null-or-empty-p (mapcar #'ls-compile sexps))
- (concat ";" *newline*))))
+;;; Special forms
+
+(defvar *compilations* nil)
(defmacro define-compilation (name args &body body)
;; Creates a new primitive `name' with parameters args and
(defun lambda-docstring-wrapper (docstring &rest strs)
(if docstring
(js!selfcall
- "var func = " (reduce #'concat strs) ";" *newline*
+ "var func = " (join strs) ";" *newline*
"func.docstring = '" docstring "';" *newline*
"return func;" *newline*)
- (reduce #'concat strs)))
+ (join strs)))
(define-compilation lambda (lambda-list &rest body)
(let ((required-arguments (lambda-list-required-arguments lambda-list))
(define-compilation block (name &rest body)
(let ((tr (integer-to-string (incf *block-counter*))))
- (let ((b (make-binding name 'block tr t)))
+ (let ((b (make-binding name 'block tr)))
(js!selfcall
"try {" *newline*
(let ((*environment* (extend-lexenv (list b) *environment* 'block)))
(let ((bindings
(mapcar (lambda (label)
(let ((tagidx (integer-to-string (incf *go-tag-counter*))))
- (make-binding label 'gotag (list tbidx tagidx) t)))
+ (make-binding label 'gotag (list tbidx tagidx))))
(remove-if-not #'go-tag-p body))))
(extend-lexenv bindings *environment* 'gotag)))
;;; Primitives
+(defvar *builtins* nil)
+
+(defmacro define-raw-builtin (name args &body body)
+ ;; Creates a new primitive function `name' with parameters args and
+ ;; @body. The body can access to the local environment through the
+ ;; variable *ENVIRONMENT*.
+ `(push (list ',name (lambda ,args (block ,name ,@body)))
+ *builtins*))
+
(defmacro define-builtin (name args &body body)
`(progn
- (define-compilation ,name ,args
+ (define-raw-builtin ,name ,args
(let ,(mapcar (lambda (arg) `(,arg (ls-compile ,arg))) args)
,@body))))
(define-builtin eq (x y) (js!bool (concat "(" x " === " y ")")))
(define-builtin equal (x y) (js!bool (concat "(" x " == " y ")")))
-(define-builtin string (x)
+(define-builtin char-to-string (x)
(type-check (("x" "number" x))
"String.fromCharCode(x)"))
(type-check (("x" "string" x))
"x.length"))
-(define-compilation slice (string a &optional b)
+(define-raw-builtin slice (string a &optional b)
(js!selfcall
"var str = " (ls-compile string) ";" *newline*
"var a = " (ls-compile a) ";" *newline*
("string2" "string" string2))
"string1.concat(string2)"))
-(define-compilation funcall (func &rest args)
+(define-raw-builtin funcall (func &rest args)
(concat "(" (ls-compile func) ")("
(join (mapcar #'ls-compile args)
", ")
")"))
-(define-compilation apply (func &rest args)
+(define-raw-builtin apply (func &rest args)
(if (null args)
(concat "(" (ls-compile func) ")()")
(let ((args (butlast args))
(define-builtin new () "{}")
+(define-builtin objectp (x)
+ (js!bool (concat "(typeof (" x ") === 'object')")))
+
(define-builtin oget (object key)
(js!selfcall
"var tmp = " "(" object ")[" key "];" *newline*
form)))
(defun compile-funcall (function args)
- (concat (ls-compile `#',function) "("
- (join (mapcar #'ls-compile args)
- ", ")
- ")"))
+ (if (and (symbolp function)
+ (claimp function 'function 'non-overridable))
+ (concat (ls-compile `',function) ".function("
+ (join (mapcar #'ls-compile args)
+ ", ")
+ ")")
+ (concat (ls-compile `#',function) "("
+ (join (mapcar #'ls-compile args)
+ ", ")
+ ")")))
+
+(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))) ";")
+ (join-trailing
+ (remove-if #'null-or-empty-p (mapcar #'ls-compile sexps))
+ (concat ";" *newline*))))
(defun ls-compile (sexp)
(cond
((symbolp sexp)
(let ((b (lookup-in-lexenv sexp *environment* 'variable)))
- (if (eq (binding-type b) 'lexical-variable)
- (binding-value b)
- (ls-compile `(symbol-value ',sexp)))))
+ (cond
+ ((eq (binding-type b) 'lexical-variable)
+ (binding-value b))
+ ((claimp sexp 'variable 'constant)
+ (concat (ls-compile `',sexp) ".value"))
+ (t
+ (ls-compile `(symbol-value ',sexp))))))
((integerp sexp) (integer-to-string sexp))
((stringp sexp) (concat "\"" (escape-string sexp) "\""))
((listp sexp)
- (if (assoc (car sexp) *compilations*)
- (let ((comp (second (assoc (car sexp) *compilations*))))
- (apply comp (cdr sexp)))
- (if (macro (car sexp))
- (ls-compile (ls-macroexpand-1 sexp))
- (compile-funcall (car sexp) (cdr sexp)))))))
+ (let ((name (car sexp))
+ (args (cdr sexp)))
+ (cond
+ ;; Special forms
+ ((assoc name *compilations*)
+ (let ((comp (second (assoc name *compilations*))))
+ (apply comp args)))
+ ;; Built-in functions
+ ((and (assoc name *builtins*)
+ (not (claimp name 'function 'notinline)))
+ (let ((comp (second (assoc name *builtins*))))
+ (apply comp args)))
+ (t
+ (if (macro name)
+ (ls-compile (ls-macroexpand-1 sexp))
+ (compile-funcall name args))))))))
(defun ls-compile-toplevel (sexp)
(let ((*toplevel-compilations* nil))
`(prog1
(progn
(setq *compilation-unit-checks* nil)
- (clear-undeclared-global-bindings)
,@body)
(dolist (check *compilation-unit-checks*)
(funcall check))))
(ls-compile-toplevel x))))
(js-eval code)))
+ (export '(* *gensym-counter* *package* + - / 1+ 1- < <= = = > >= and append
+ apply 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
+ in-package incf integerp integerp intern lambda-code last
+ length let list listp 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))
+
+ (setq *package* *user-package*)
+
(js-eval "var lisp")
(js-vset "lisp" (new))
(js-vset "lisp.read" #'ls-read-from-string)
(toplevel-compilation
(ls-compile
`(progn
- ,@(mapcar (lambda (s)
- `(oset *package* ,(symbol-name (car s))
- (js-vref ,(cdr s))))
+ ,@(mapcar (lambda (s) `(%intern-symbol (js-vref ,(cdr s))))
*literal-symbols*)
(setq *literal-symbols* ',*literal-symbols*)
(setq *environment* ',*environment*)
projects / jscl.git / blobdiff