1/**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998,2006 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30/* 31 * $Id: chkdef.cmd,v 1.4 2020/02/02 23:34:34 tom Exp $ 32 * 33 * Author: Juan Jose Garcia Ripoll <worm@arrakis.es>. 34 * Webpage: http://www.arrakis.es/~worm/ 35 * 36 * chkdef.cmd - checks that a .def file has no conflicts and is properly 37 * formatted. 38 * 39 * returns nonzero if two symbols have the same code or a line has a wrong 40 * format. 41 * 42 * returns 0 otherwise 43 * 44 * the standard output shows conflicts. 45 */ 46parse arg def_file 47 48def_file = translate(def_file,'\','/') 49 50call CleanQueue 51 52/* 53 * `cmp' is zero when the file is valid 54 * `codes' associates a name to a code 55 * `names' associates a code to a name 56 */ 57cmp = 0 58codes. = 0 59names. = '' 60 61/* 62 * This sed expression cleans empty lines, comments and special .DEF 63 * commands, such as LIBRARY..., EXPORTS..., etc 64 */ 65tidy_up = '"s/[ ][ ]*/ /g;s/;.*//g;/^[ ]*$/d;/^[a-zA-Z]/d;"' 66 67/* 68 * First we find all public symbols from the original DLL. All this 69 * information is pushed into a REXX private list with the RXQUEUE 70 * utility program. 71 */ 72'@echo off' 73'type' def_file '| sed' tidy_up '| sort | rxqueue' 74 75do while queued() > 0 76 /* 77 * We retrieve the symbol name (NEW_NAME) and its code (NEW_CODE) 78 */ 79 parse pull '"' new_name '"' '@'new_code rest 80 select 81 when (new_code = '') | (new_name = '') then 82 /* The input was not properly formatted */ 83 do 84 say 'Error: symbol "'new_name'" has no export code or is empty' 85 cmp = 1 86 end 87 when codes.new_name \= 0 then 88 /* This symbol was already defined */ 89 if codes.new_name \= new_code then 90 do 91 cmp = 2 92 say 'Symbol "'new_name'" multiply defined' 93 end 94 when names.new_code \= '' then 95 /* This code was already assigned to a symbol */ 96 if names.new_code \= new_name then 97 do 98 cmp = 3 99 say 'Conflict with "'names.new_code'" & "'new_name'" being @'new_code 100 end 101 otherwise 102 do 103 codes.new_name = new_code 104 names.new_code = new_name 105 end 106 end /* select */ 107end 108 109exit cmp 110 111CleanQueue: procedure 112 do while queued() > 0 113 parse pull foo 114 end 115return 116