Oxygen Basic

Programming => Example Code => General => Topic started by: Charles Pegge on September 07, 2020, 06:00:53 AM

Title: Conditional Do Loops
Post by: Charles Pegge on September 07, 2020, 06:00:53 AM

with head conditional:

Code: [Select]

int i
do while i<10
  i++
loop
print i

with tail conditional:

Code: [Select]

int i
do
  i++
loop while i<10
print i


Title: Re: Conditional Do Loops
Post by: Charles Pegge on September 07, 2020, 07:16:21 AM

loop until is also supported. (this is decomposed to loop while not ...)

but do until is not yet supported. This will be in the next release (0.3.0)

Title: Re: Conditional Do Loops
Post by: JRS on September 07, 2020, 07:44:09 AM

ScriptBasic LOOP Constructs (http://www.scriptbasic.com/texi/ug/ug_17.html)

Title: Re: Conditional Do Loops
Post by: Nicola on September 08, 2020, 04:42:21 AM

Hi.
I think a few things are needed for loops:
1) evaluate the condition first;
2) assess the condition at the end;
3) exit the loop in any place in the loop;
4) repeat the loop from any place in the loop itself.

1) while x = y ... wend;
2) Loop ... Until x = y;
3) Exit Loop;
4) Repeat Loop;

Hello.

Title: Re: Conditional Do Loops
Post by: Charles Pegge on September 09, 2020, 02:28:20 AM

Our current conditional options are:

Code: [Select]

do while ...
  exit when/if ...
  continue when/while/if/until ...
loop while/when/if/until ...

They all decompose to:

Code: [Select]

do
  if ...
    exit/continue do
  endif
loop


Title: Re: Conditional Do Loops
Post by: JRS on September 09, 2020, 08:43:49 AM

That surely seems to cover all the bases.

Title: Re: Conditional Do Loops
Post by: Nicola on September 10, 2020, 01:29:31 AM

I think they are really ok. They satisfy all needs.
It is a good job. ;D