;;; -*-lisp-*-
;;;
;;; Test lexical analyser
;;;
;;; (c) 2010 Straylight/Edgeware
;;;

;;;----- Licensing notice ---------------------------------------------------
;;;
;;; This file is part of the Sensible Object Design, an object system for C.
;;;
;;; SOD is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; (at your option) any later version.
;;;
;;; SOD is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with SOD; if not, write to the Free Software Foundation,
;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

(cl:in-package #:sod-test)

(defclass lexer-test (test-case) ())
(add-test *sod-test-suite* (get-suite lexer-test))

;;;--------------------------------------------------------------------------
;;; Simple lexical analysis tests.

(defun list-tokens (string)
  (let ((lexer (make-instance 'sod-token-scanner
			      :char-scanner (make-string-scanner string)
			      :filename "<string>")))
    (with-parser-context (token-scanner-context :scanner lexer)
      (parse (list () (if (scanner-at-eof-p lexer) (values '(:eof) nil nil)
			  (multiple-value-prog1
			      (values (cons (token-type lexer)
					    (token-value lexer))
				      t t)
			    (scanner-step lexer))))))))

(defmacro assert-tokens (string &rest list)
  `(assert-equal (list-tokens ,string) ',list))

(def-test-method simple-lexer ((test lexer-test) :run nil)
  (assert-tokens "foo - bar"
		 (:id . "foo")
		 (#\- . nil)
		 (:id . "bar")))

;;;----- That's all, folks --------------------------------------------------