mdw@git.distorted.org.uk Git - sod/blob - src/lexer-test.lisp

   1 ;;; -*-lisp-*-
   2 ;;;
   3 ;;; Test lexical analyser
   4 ;;;
   5 ;;; (c) 2010 Straylight/Edgeware
   6 ;;;
   7
   8 ;;;----- Licensing notice ---------------------------------------------------
   9 ;;;
  10 ;;; This file is part of the Sensible Object Design, an object system for C.
  11 ;;;
  12 ;;; SOD is free software; you can redistribute it and/or modify
  13 ;;; it under the terms of the GNU General Public License as published by
  14 ;;; the Free Software Foundation; either version 2 of the License, or
  15 ;;; (at your option) any later version.
  16 ;;;
  17 ;;; SOD is distributed in the hope that it will be useful,
  18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;;; GNU General Public License for more details.
  21 ;;;
  22 ;;; You should have received a copy of the GNU General Public License
  23 ;;; along with SOD; if not, write to the Free Software Foundation,
  24 ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 (cl:in-package #:sod-test)
  27
  28 (defclass lexer-test (test-case) ())
  29 (add-test *sod-test-suite* (get-suite lexer-test))
  30
  31 ;;;--------------------------------------------------------------------------
  32 ;;; Simple lexical analysis tests.
  33
  34 (defun list-tokens (string)
  35   (let ((lexer (make-instance 'sod-token-scanner
  36                               :char-scanner (make-string-scanner string)
  37                               :filename "<string>")))
  38     (with-parser-context (token-scanner-context :scanner lexer)
  39       (parse (list () (if (scanner-at-eof-p lexer) (values '(:eof) nil nil)
  40                           (multiple-value-prog1
  41                               (values (cons (token-type lexer)
  42                                             (token-value lexer))
  43                                       t t)
  44                             (scanner-step lexer))))))))
  45
  46 (defmacro assert-tokens (string &rest list)
  47   `(assert-equal (list-tokens ,string) ',list))
  48
  49 (def-test-method simple-lexer ((test lexer-test) :run nil)
  50   (assert-tokens "foo - bar"
  51                  (:id . "foo")
  52                  (#\- . nil)
  53                  (:id . "bar")))
  54
  55 ;;;----- That's all, folks --------------------------------------------------