mes-m2/test/test127/pmatch.test

#! /bin/sh
# -*-scheme-*-
exec ${MES-src/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests pmatch)' -s "$0" "$@"
!#

;;; -*-scheme-*-

;;; GNU Mes --- Maxwell Equations of Software
;;; Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of GNU Mes.
;;;
;;; GNU Mes 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 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Mes 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

(define-module (tests pmatch)
  #:use-module (system base pmatch)
  #:use-module (mes mes-0)
  #:use-module (mes test))

(cond-expand
 (mes
  (mes-use-module (mes test))
  (mes-use-module (mes pmatch)))
 (else))

(pass-if "first dummy" #t)
(pass-if-not "second dummy" #f)

(pass-if-equal "pmatch" 0
               (let ((o 0))
                 (pmatch o
                   (_ o))))

(pass-if-equal "pmatch nyacc minimal" "main"
  (let* ((ast '(("main") PARAM-LIST))
         (mets (pmatch ast
                 (((,name) _) name))))
    ;;(format (current-error-port) "mets: ~s\n" mets)
    mets))

(pass-if-equal "pmatch nyacc" "main"
  (let ((ast '(fctn-defn
               (decl-spec-list (type-spec (fixed-type "int")))
               (ftn-declr
                (ident "main")
                (param-list
                 (param-decl
                  (decl-spec-list (type-spec (fixed-type "int")))
                  (param-declr (ident "argc")))
                 (param-decl
                  (decl-spec-list (type-spec (fixed-type "char")))
                  (param-declr
                   (ptr-declr (pointer) (array-of (ident "argv")))))))
               (compd-stmt
                (block-item-list
                 (if (gt (p-expr (ident "argc")) (p-expr (fixed "1")))
                     (return (p-expr (ident "argc"))))
                 (return (p-expr (fixed "42"))))))))
    (pmatch ast
      ((fctn-defn _ (ftn-declr (ident ,name) _) _) name)
      (_ 'bla))))

(result 'report)