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From: lutz@iks-jena.de (Lutz Donnerhacke)
Newsgroups: comp.lang.ada
Subject: Re: Ada The Best Language?
Date: Mon, 23 Jul 2001 10:12:51 +0000 (UTC)
Organization: IKS GmbH Jena
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Date: 2001-07-23T10:12:51+00:00
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* Tomasz Wegrzanowski wrote:
>In article <slrn9lgceb.jq.lutz@taranis.iks-jena.de>, Lutz Donnerhacke wrote:
>> * Tomasz Wegrzanowski wrote:
>>>`operator=' improves readability if left side is non-trivial.
>>>
>>>Example:
>>>A->foo[1].start.x = A->foo[1].start.x % 640;
>>>A->foo[1].start.x %= 640;
>> 
>> declare
>>   w : myType renames A.foo(1).start.x;
>> begin
>>   w := w mod 640;
>> end;
>
>That's evil and takes 5 lines instead of just 1.

DECLARE w : myType RENAMES A.foo(1).start.x;  BEGIN w := w MOD 640;  END;

>>>Compiler (at least gcc) warns when you screw formants.
>> 
>> printf is an runtime interpreter. That's ugly.
>
>Almost all printfs are compile-time printfs.
>Complire could as well support printf or equivalent.

-------------------- t.c --------------------
#include <stdio.h>

int main(int argc, char**argv) {
   return printf("No of arguments %d for %s.\n", argc, argv[argc-1]);
}
-------------------- t.c --------------------
~$ gcc -O9 -S t.c
-------------------- t.s --------------------
.LC0:
	.string	"No of arguments %d for %s.\n"
.text
	.align 4
.globl main
	.type	 main,@function
main:
	pushl %ebp
	movl %esp,%ebp
	subl $8,%esp
	movl 8(%ebp),%edx
	movl 12(%ebp),%eax
	addl $-4,%esp
	movl -4(%eax,%edx,4),%eax
	pushl %eax
	pushl %edx
	pushl $.LC0
	call printf
	movl %ebp,%esp
	popl %ebp
	ret
-------------------- t.s --------------------

Please refine your argument.