X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fpackage.lisp;h=b74fbaa4532f426232392708c1a1f4ff41fd14b3;hb=791e881be58a0aba57216de5dda3dcd260e1cace;hp=5745d07dab6271756269f568047a7c1551faa794;hpb=7709a56a5467d8d78e1a2d86588be7dd60de3679;p=jscl.git diff --git a/src/package.lisp b/src/package.lisp index 5745d07..b74fbaa 100644 --- a/src/package.lisp +++ b/src/package.lisp @@ -16,7 +16,7 @@ (defvar *package-list* nil) (defun list-all-packages () - *package-list*) + (copy-list *package-list*)) (defun make-package (name &key use) (let ((package (new)) @@ -62,9 +62,6 @@ (defvar *common-lisp-package* (make-package "CL")) -(defvar *js-package* - (make-package "JS")) - (defvar *user-package* (make-package "CL-USER" :use (list *common-lisp-package*))) @@ -87,11 +84,14 @@ (if (in "package" symbol) (find-package-or-fail (oget symbol "package")) *common-lisp-package*)) - (symbols (%package-symbols package))) + (symbols (%package-symbols package)) + (exports (%package-external-symbols package))) (oset symbol "package" package) + (oset symbols (symbol-name symbol) symbol) + ;; Turn keywords self-evaluated and export them. (when (eq package *keyword-package*) - (oset symbol "value" symbol)) - (oset symbols (symbol-name symbol) symbol))) + (oset symbol "value" symbol) + (oset exports (symbol-name symbol) symbol)))) (defun find-symbol (name &optional (package *package*)) (let* ((package (find-package-or-fail package)) @@ -108,6 +108,11 @@ (when (in name exports) (return (values (oget exports name) :inherit))))))))) + +;;; It is a function to call when a symbol is interned. The function +;;; is invoked with the already interned symbol as argument. +(defvar *intern-hook* nil) + (defun intern (name &optional (package *package*)) (let ((package (find-package-or-fail package))) (multiple-value-bind (symbol foundp) @@ -121,22 +126,8 @@ (when (eq package *keyword-package*) (oset symbol "value" symbol) (export (list symbol) package)) - (when (eq package *js-package*) - (let ((sym-name (symbol-name symbol)) - (args (gensym))) - ;; Generate a trampoline to call the JS function - ;; properly. This trampoline is very inefficient, - ;; but it still works. Ideas to optimize this are - ;; provide a special lambda keyword - ;; cl::&rest-vector to avoid list argument - ;; consing, as well as allow inline declarations. - (fset symbol - (eval `(lambda (&rest ,args) - (let ((,args (list-to-vector ,args))) - (%js-call (%js-vref ,sym-name) ,args))))) - ;; Define it as a symbol macro to access to the - ;; Javascript variable literally. - (%define-symbol-macro symbol `(%js-vref ,(string symbol))))) + (when *intern-hook* + (funcall *intern-hook* symbol)) (oset symbols name symbol) (values symbol nil))))))) @@ -149,3 +140,42 @@ (let ((exports (%package-external-symbols package))) (dolist (symb symbols t) (oset exports (symbol-name symb) symb)))) + +(defun %map-external-symbols (function package) + (map-for-in function (%package-external-symbols package))) + +(defun %map-symbols (function package) + (map-for-in function (%package-symbols package)) + (dolist (used (package-use-list package)) + (%map-external-symbols function used))) + +(defun %map-all-symbols (function) + (dolist (package *package-list*) + (map-for-in function (%package-symbols package)))) + +(defmacro do-symbols ((var &optional (package '*package*) result-form) + &body body) + `(block nil + (%map-symbols + (lambda (,var) ,@body) + (find-package ,package)) + ,result-form)) + +(defmacro do-external-symbols ((var &optional (package '*package*) + result-form) + &body body) + `(block nil + (%map-external-symbols + (lambda (,var) ,@body) + (find-package ,package)) + ,result-form)) + +(defmacro do-all-symbols ((var &optional result-form) &body body) + `(block nil (%map-all-symbols (lambda (,var) ,@body)) ,result-form)) + +(defun find-all-symbols (string) + (let (symbols) + (dolist (package *package-list* symbols) + (multiple-value-bind (symbol status) (find-symbol string package) + (when status + (pushnew symbol symbols :test #'eq))))))