| (* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. *) | |
| (* This file is part of GNU Modula-2. | |
| GNU Modula-2 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, or (at your option) any later | |
| version. | |
| GNU Modula-2 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 gm2; see the file COPYING. If not, write to the Free Software | |
| Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *) | |
| MODULE procindirect ; | |
| FROM libc IMPORT exit ; | |
| TYPE | |
| sec = PROCEDURE (CARDINAL) : CHAR ; | |
| PROCEDURE first ; | |
| BEGIN | |
| END first ; | |
| PROCEDURE second (c: CARDINAL) : CHAR ; | |
| BEGIN | |
| RETURN( 'a' ) | |
| END second ; | |
| PROCEDURE fetch () : CARDINAL ; | |
| BEGIN | |
| RETURN( 2 ) | |
| END fetch ; | |
| VAR | |
| f: PROC ; | |
| s: sec ; | |
| b: CARDINAL ; | |
| array: ARRAY [1..10] OF sec ; | |
| i: CARDINAL ; | |
| BEGIN | |
| f := first ; | |
| f ; | |
| s := second ; | |
| IF s(b)#'a' | |
| THEN | |
| exit(1) | |
| END ; | |
| i := fetch() ; | |
| array[i] := second ; | |
| i := fetch() ; | |
| IF array[i](b)#'a' | |
| THEN | |
| exit(1) | |
| END | |
| END procindirect. |