projects / thirdparty / gcc.git / blame
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|---|---|---|
| 1eee94d3 GM |
1 | (* wlists.def word lists module. |
| 2 | ||
| 83ffe9cd | 3 | Copyright (C) 2015-2023 Free Software Foundation, Inc. |
| 1eee94d3 GM |
4 | Contributed by Gaius Mulley <gaius@glam.ac.uk>. |
| 5 | ||
| 6 | This file is part of GNU Modula-2. | |
| 7 | ||
| 8 | GNU Modula-2 is free software; you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation; either version 3, or (at your option) | |
| 11 | any later version. | |
| 12 | ||
| 13 | GNU Modula-2 is distributed in the hope that it will be useful, but | |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU General Public License | |
| 19 | along with GNU Modula-2; see the file COPYING3. If not see | |
| 20 | <http://www.gnu.org/licenses/>. *) | |
| 21 | ||
| 22 | DEFINITION MODULE wlists ; | |
| 23 | ||
| 24 | ||
| 25 | FROM SYSTEM IMPORT WORD ; | |
| 26 | ||
| 27 | TYPE | |
| 28 | wlist ; | |
| 29 | performOperation = PROCEDURE (WORD) ; | |
| 30 | ||
| 31 | ||
| 32 | (* | |
| 33 | initList - creates a new wlist, l. | |
| 34 | *) | |
| 35 | ||
| 36 | PROCEDURE initList () : wlist ; | |
| 37 | ||
| 38 | ||
| 39 | (* | |
| 40 | killList - deletes the complete wlist, l. | |
| 41 | *) | |
| 42 | ||
| 43 | PROCEDURE killList (VAR l: wlist) ; | |
| 44 | ||
| 45 | ||
| 46 | (* | |
| 47 | putItemIntoList - places an WORD, c, into wlist, l. | |
| 48 | *) | |
| 49 | ||
| 50 | PROCEDURE putItemIntoList (l: wlist; c: WORD) ; | |
| 51 | ||
| 52 | ||
| 53 | (* | |
| 54 | getItemFromList - retrieves the nth WORD from wlist, l. | |
| 55 | *) | |
| 56 | ||
| 57 | PROCEDURE getItemFromList (l: wlist; n: CARDINAL) : WORD ; | |
| 58 | ||
| 59 | ||
| 60 | (* | |
| 61 | getIndexOfList - returns the index for WORD, c, in wlist, l. | |
| 62 | If more than one CARDINAL, c, exists the index | |
| 63 | for the first is returned. | |
| 64 | *) | |
| 65 | ||
| 66 | PROCEDURE getIndexOfList (l: wlist; c: WORD) : CARDINAL ; | |
| 67 | ||
| 68 | ||
| 69 | (* | |
| 70 | noOfItemsInList - returns the number of items in wlist, l. | |
| 71 | *) | |
| 72 | ||
| 73 | PROCEDURE noOfItemsInList (l: wlist) : CARDINAL ; | |
| 74 | ||
| 75 | ||
| 76 | (* | |
| 77 | includeItemIntoList - adds an WORD, c, into a wlist providing | |
| 78 | the value does not already exist. | |
| 79 | *) | |
| 80 | ||
| 81 | PROCEDURE includeItemIntoList (l: wlist; c: WORD) ; | |
| 82 | ||
| 83 | ||
| 84 | (* | |
| 85 | removeItemFromList - removes an WORD, c, from a wlist. | |
| 86 | It assumes that this value only appears once. | |
| 87 | *) | |
| 88 | ||
| 89 | PROCEDURE removeItemFromList (l: wlist; c: WORD) ; | |
| 90 | ||
| 91 | ||
| 92 | (* | |
| 93 | replaceItemInList - replace the nth WORD in wlist, l. | |
| 94 | The first item in a wlists is at index, 1. | |
| 95 | If the index, n, is out of range nothing is changed. | |
| 96 | *) | |
| 97 | ||
| 98 | PROCEDURE replaceItemInList (l: wlist; n: CARDINAL; w: WORD) ; | |
| 99 | ||
| 100 | ||
| 101 | (* | |
| 102 | isItemInList - returns true if a WORD, c, was found in wlist, l. | |
| 103 | *) | |
| 104 | ||
| 105 | PROCEDURE isItemInList (l: wlist; c: WORD) : BOOLEAN ; | |
| 106 | ||
| 107 | ||
| 108 | (* | |
| 109 | foreachItemInListDo - calls procedure, P, foreach item in wlist, l. | |
| 110 | *) | |
| 111 | ||
| 112 | PROCEDURE foreachItemInListDo (l: wlist; p: performOperation) ; | |
| 113 | ||
| 114 | ||
| 115 | (* | |
| 116 | duplicateList - returns a duplicate wlist derived from, l. | |
| 117 | *) | |
| 118 | ||
| 119 | PROCEDURE duplicateList (l: wlist) : wlist ; | |
| 120 | ||
| 121 | ||
| 122 | END wlists. |