Add LIST, SEQUENCE to TYPECASE.

[jscl.git] / src / boot.lisp

diff --git a/src/boot.lisp b/src/boot.lisp
index 484429e..d233b93 100644 (file)
--- a/src/boot.lisp
+++ b/src/boot.lisp
@@ -22,6 +22,8 @@
 ;;; Lisp world from scratch. This code has to define enough language
 ;;; to the compiler to be able to run.
 
+(/debug "loading boot.lisp!")
+
 (eval-when-compile
   (let ((defmacro-macroexpander
          '#'(lambda (form)
@@ -291,7 +293,9 @@
 
 (defmacro do (varlist endlist &body body)
   `(block nil
-     (let ,(mapcar (lambda (x) (list (first x) (second x))) varlist)
+     (let ,(mapcar (lambda (x) (if (symbolp x)
+                                   (list x nil)
+                                 (list (first x) (second x)))) varlist)
        (while t
          (when ,(car endlist)
            (return (progn ,@(cdr endlist))))
@@ -299,13 +303,16 @@
          (psetq
           ,@(apply #'append
                    (mapcar (lambda (v)
-                             (and (consp (cddr v))
+                             (and (listp v)
+                                  (consp (cddr v))
                                   (list (first v) (third v))))
                            varlist)))))))
 
 (defmacro do* (varlist endlist &body body)
   `(block nil
-     (let* ,(mapcar (lambda (x) (list (first x) (second x))) varlist)
+     (let* ,(mapcar (lambda (x1) (if (symbolp x1)
+                                     (list x1 nil)
+                                   (list (first x1) (second x1)))) varlist)
        (while t
          (when ,(car endlist)
            (return (progn ,@(cdr endlist))))
@@ -313,7 +320,8 @@
          (setq
           ,@(apply #'append
                    (mapcar (lambda (v)
-                             (and (consp (cddr v))
+                             (and (listp v)
+                                  (consp (cddr v))
                                   (list (first v) (third v))))
                            varlist)))))))
 
@@ -466,14 +474,15 @@
     ((null (cddr pairs))
      (let ((place (!macroexpand-1 (first pairs)))
            (value (second pairs)))
-       (multiple-value-bind (vars vals store-vars writer-form)
+       (multiple-value-bind (vars vals store-vars writer-form reader-form)
            (get-setf-expansion place)
          ;; TODO: Optimize the expansion a little bit to avoid let*
          ;; or multiple-value-bind when unnecesary.
          `(let* ,(mapcar #'list vars vals)
             (multiple-value-bind ,store-vars
                 ,value
-              ,writer-form)))))
+              ,writer-form
+              ,reader-form)))))
     (t
      `(progn
         ,@(do ((pairs pairs (cddr pairs))
@@ -492,6 +501,8 @@
                          `((,(ecase (car c)
                                     (integer 'integerp)
                                     (cons 'consp)
+                                    (list 'listp)
+                                    (sequence 'sequencep)
                                     (symbol 'symbolp)
                                     (function 'functionp)
                                     (float 'floatp)
@@ -533,3 +544,8 @@
 
 (defun error (fmt &rest args)
   (%throw (apply #'format nil fmt args)))
+
+(defmacro nth-value (n form)
+  `(multiple-value-call (lambda (&rest values)
+                          (nth ,n values))
+     ,form))