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- Stuff
- Sunday, July 29th, 2012 at 3:06:53pm MDT
- (defpackage :net.etenil.lisp)
- (in-package :net.etenil.lisp)
- ;;; A few global variables for scoping and defaults.
- (defvar *readtable*)
- ;;; Utility functions for the reader.
- (defun whitespacep (char &optional (rt *readtable*))
- (test-attribute char +char-attr-whitespace+ rt))
- ;;; The main functions.
- (defun read-preserving-whitespace (&optional (stream *standard-input*)
- (eof-error-p t)
- (eof-value nil)
- (recursive-p nil))
- "Reads from STREAM and returns the value read while preserving
- the whitespace that followed the object."
- (if recursive-p
- (loop
- (let ((char (read-char stream eof-error-p *eof-object*)))
- (cond ((eofp char) (return eof-value))
- ((whitespacep char))
- (t
- (let* ((macrofun (get-coerced-cmt-entry char *readtable*))
- (result (multiple-value-list
- (funcall macrofun stream char)))))))))
- (let ((*sharp-equal-alist* nil))
- (with-read-buffer ()
- (read-preserving-whitespace stream eof-error-p eof-value t)))))
- (defun read (&optional (stream *standard-input*)
- (eof-error-p t)
- (eof-value nil)
- (recursive-p nil))
- "Reads the next token from stream."
- (let ((result (read-preserving-whitespace stream eof-error-p eof-value recursive-p)))
- )
- nil)
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