How about adding NEW Special Tokens?? For ease and Security

[Jose Armando Garcia]

On Wed, May 25, 2011 at 11:46 AM, KennyTM~ <kennytm at gmail.com> wrote:
> On May 25, 11 22:23, Matthew Ong wrote:
>>
>> On 5/25/2011 9:45 PM, Daniel Gibson wrote:
>>
>>
>>  >.stringof[7 .. $]
>> Belonging to which object or variable?
>
> Belongs to the module. '.xxx' is D's syntax for access a global object
> (derived from C++'s '::xxx' syntax). Please read through the whole D
> specification.
>
> (Frankly speaking this is a DMD-specific hack as the spec has never required
> that the .stringof of a module must return "module foo.bar.baz".)
>

Is this evaluated at compile time? I prefer to use this for std.log
over __FILE__ when filtering verbose log messages. The user is more
likely to remember the module name and not the file name.

>>
>> 4) __BLOCKNAME__ // perhaps another name, but prints
>>  >> class/struct/interface/template... name. If is global, print global.
>> How about this one? The class which the fuction belows
>>
>>
>> http://www.digitalmars.com/d/archives/digitalmars/D/FUNCTION_implemented_with_mixins_and_mangles_92055.html
>>
>>
>>
>>
>> ---------------------------------------------------------------------------
>>
>>> Use those functions (getuid(), getpid(), etc.) if you need those values.
>>>>
>>>> Why make them look like compile-time special tokens?
>>>>
>> It would be even more cool if there is some immutable >RUNTIME< special
>> tokens:
>
> It is easy to tell if a runtime function returns "immutable" value: a pure
> function that takes no arguments.
>
>    pure int f();
>  //^^^^
>
>>
>> Defining them as variable makes the code independent from
>> OS(win32/lin/OSX) API.
>>
>> 1) __LOGIN__ // Current user login id, eg: johnchia
>> 2) __UID__ // User login number, eg: 0, 304,1234,...
>> 3) __PID__ // Current program process id
>> 4) __PPID__ // Parent process id
>> 5) __STIME__ // Start time, date time,2011-02-23 14:45, to see if there
>> is a long over due program.
>> 6) __CMDLINE__ // prints full path name C:\Program
>> Files\Notepad++\notepad.exe
>> 7) __TOTMEM__ // Total amount of memory being used. Read Only, but
>> dynamic.
>> 8) __MAXMEM__ //
>>
>> These runtime tokens will be very useful for developer to do secure
>> coding to check for some runtime Access Control Information or
>> preventing denial of service and maybe anti buffer over flowing attacks.
>> Perhaps the runtime special information are already available. If not,
>> that might be in the future version.
>
> I don't see how these 8 information _prevent_ DoS attack.  And D already has
> anti-buffer-overflow protection: range checking (in SafeD, at least).
>
>>
>> Thanks very much for the URL.
>>
>
>