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Programming > Languages Misc > Re: RPN maps to...
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Re: RPN maps to basic mathematic expressions nicely

by Albert van der Horst <albert@[EMAIL PROTECTED] > Nov 17, 2007 at 04:01 PM

In article <21891138123560@[EMAIL PROTECTED]
>, Marcel Hendrix <mhx@[EMAIL PROTECTED]
>
wrote:
>"cr88192" <cr88192@[EMAIL PROTECTED]
> writes Re: RPN maps to basic mathematic
expressions nicely
>
>[..]
>
>> so, IMO:
>
>[..]
>
>> more traditional syntaxes (C or Pascal like), are a lot better for
human
>> editing, primarily because they offer abstraction, use visual
associativity
>> (rather than structural associativity).
>
>[..]
>
>> I will assert that a more C or Pascal style syntax allows greater
>> readability.
>
>You mean, like the attached?
>
>-marcel
>
>==
============================================================================================================
>static int xxmatchReg (int orclear, char * regex, char * string, int ofs,
int length, struct tagrefcnt * ref) {
>atomtype atom;
>char * or;
>int retn;
>char p1, p2;
>char cnot;
>int initlength = length;
>
>    if (orclear == 0) {
>        p1 = 0;
>        cnot = 0;
>        for (or = regex; or[0] != '\0'; or++) {
>                 if (or[0] == '{' || or[0] == '[' || or[0] == '(') p1++;
>            else if (or[0] == '}' || or[0] == ']' || or[0] == ')') p1--;
>            if (or[0] == '|') {
>                break;

  <SNIPPED extensive c-code>

>                default:
>                        TestMatch ();
>        }
>    goto mLoopStart;
>}
>

This code doesn't make me nervous.
It would however were it written in supposedly good Forth style (70%
of the words are one liners with stack comments) and no general
explanation of what is going on,

See, C gives away still a lot information about data flow and
program structure.

If this sample shows anything then it is the need for more
comprehensive do***entation (and maybe object oriented
coding style) for all but the simplest programs.

Groetjes Albert

--
-- 
Albert van der Horst, UTRECHT,THE NETHERLANDS
Economic growth -- like all pyramid schemes -- ultimately falters.
albert@[EMAIL PROTECTED]
 &=n http://home.hccnet.nl/a.w.m.van.der.horst
 




 55 Posts in Topic:
RPN maps to basic mathematic expressions nicely
"metaperl.com"   2007-11-11 12:50:24 
Re: RPN maps to basic mathematic expressions nicely
"Paul E. Bennett&quo  2007-11-11 13:06:24 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-12 09:25:56 
Re: RPN maps to basic mathematic expressions nicely
Marco van de Voort <ma  2007-11-12 09:21:48 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-12 21:40:58 
Re: RPN maps to basic mathematic expressions nicely
Marco van de Voort <ma  2007-11-12 11:46:48 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-12 13:51:05 
Re: RPN maps to basic mathematic expressions nicely
Andrew Haley <andrew29  2007-11-12 11:39:14 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-12 13:54:50 
Re: RPN maps to basic mathematic expressions nicely
stephenXXX@[EMAIL PROTECT  2007-11-16 17:49:33 
Re: RPN maps to basic mathematic expressions nicely
Andrew Haley <andrew29  2007-11-16 18:26:39 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-17 19:22:07 
Re: RPN maps to basic mathematic expressions nicely
mhx@[EMAIL PROTECTED] (M  2007-11-17 12:34:02 
Re: RPN maps to basic mathematic expressions nicely
Albert van der Horst <  2007-11-17 16:01:42 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-17 13:37:04 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-18 08:39:07 
Re: RPN maps to basic mathematic expressions nicely
Richard Owlett <rowlet  2007-11-17 17:16:33 
Re: RPN maps to basic mathematic expressions nicely
mhx@[EMAIL PROTECTED] (M  2007-11-18 00:21:13 
Re: RPN maps to basic mathematic expressions nicely
mhx@[EMAIL PROTECTED] (M  2007-11-18 00:54:13 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-18 11:17:04 
Re: RPN maps to basic mathematic expressions nicely
Andrew Haley <andrew29  2007-11-18 17:50:04 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-19 07:48:22 
Re: RPN maps to basic mathematic expressions nicely
Andrew Haley <andrew29  2007-11-19 10:03:11 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-20 06:22:12 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-19 15:39:14 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-20 08:33:48 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-19 17:57:09 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-20 16:56:28 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-20 11:58:40 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-21 07:13:13 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-20 17:55:00 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-21 12:03:34 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-20 21:34:26 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-21 14:24:44 
Re: RPN maps to basic mathematic expressions nicely
Elizabeth D Rather <er  2007-11-17 15:30:04 
Re: RPN maps to basic mathematic expressions nicely
anton@[EMAIL PROTECTED]   2007-11-18 09:48:12 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-21 09:43:55 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-22 13:52:20 
Re: RPN maps to basic mathematic expressions nicely
Elizabeth D Rather <er  2007-11-21 22:48:50 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-24 12:00:16 
Re: RPN maps to basic mathematic expressions nicely
stephenXXX@[EMAIL PROTECT  2007-11-24 14:31:22 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-25 08:20:06 
Re: RPN maps to basic mathematic expressions nicely
stephenXXX@[EMAIL PROTECT  2007-11-24 14:31:22 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-25 08:20:06 
Re: RPN maps to basic mathematic expressions nicely
"slava@[EMAIL PROTEC  2007-11-11 16:14:02 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-12 11:21:04 
Re: RPN maps to basic mathematic expressions nicely
Bernd Paysan <bernd.pa  2007-11-23 11:10:48 
Re: RPN maps to basic mathematic expressions nicely
Andrew Haley <andrew29  2007-11-23 15:49:07 
Re: RPN maps to basic mathematic expressions nicely
Bernd Paysan <bernd.pa  2007-11-23 17:24:16 
Re: RPN maps to basic mathematic expressions nicely
"Rod Pemberton"  2007-11-12 01:16:25 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-12 16:44:53 
Re: RPN maps to basic mathematic expressions nicely
Marco van de Voort <ma  2007-11-12 17:15:35 
Re: RPN maps to basic mathematic expressions nicely
Jerry Avins <jya@[EMAI  2007-11-12 14:17:04 
Re: RPN maps to basic mathematic expressions nicely
Gary Coulbourne <bear@  2007-11-19 11:22:53 
Re: RPN maps to basic mathematic expressions nicely
John Doty <jpd@[EMAIL   2007-11-19 15:11:44 
Re: RPN maps to basic mathematic expressions nicely
"cr88192" <c  2007-11-20 16:59:49 

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