/*
* $Id: chkdef.cmd,v 1.2 1998/08/29 21:45:58 tom Exp $
*
* Author: Juan Jose Garcia Ripoll <worm@arrakis.es>.
* Webpage: http://www.arrakis.es/~worm/
*
* chkdef.cmd - checks that a .def file has no conflicts and is properly
* formatted.
*
* returns nonzero if two symbols have the same code or a line has a wrong
* format.
*
* returns 0 otherwise
*
* the standard output shows conflicts.
*/
parse arg def_file
def_file = translate(def_file,'\','/')
call CleanQueue
/*
* `cmp' is zero when the file is valid
* `codes' associates a name to a code
* `names' associates a code to a name
*/
cmp = 0
codes. = 0
names. = ''
/*
* This sed expression cleans empty lines, comments and special .DEF
* commands, such as LIBRARY..., EXPORTS..., etc
*/
tidy_up = '"s/[ ][ ]*/ /g;s/;.*//g;/^[ ]*$/d;/^[a-zA-Z]/d;"'
/*
* First we find all public symbols from the original DLL. All this
* information is pushed into a REXX private list with the RXQUEUE
* utility program.
*/
'@echo off'
'type' def_file '| sed' tidy_up '| sort | rxqueue'
do while queued() > 0
/*
* We retrieve the symbol name (NEW_NAME) and its code (NEW_CODE)
*/
parse pull '"' new_name '"' '@'new_code rest
select
when (new_code = '') | (new_name = '') then
/* The input was not properly formatted */
do
say 'Error: symbol "'new_name'" has no export code or is empty'
cmp = 1
end
when codes.new_name \= 0 then
/* This symbol was already defined */
if codes.new_name \= new_code then
do
cmp = 2
say 'Symbol "'new_name'" multiply defined'
end
when names.new_code \= '' then
/* This code was already assigned to a symbol */
if names.new_code \= new_name then
do
cmp = 3
say 'Conflict with "'names.new_code'" & "'new_name'" being @'new_code
end
otherwise
do
codes.new_name = new_code
names.new_code = new_name
end
end /* select */
end
exit cmp
CleanQueue: procedure
do while queued() > 0
parse pull foo
end
return