Valid algorithm loops

Dear friends,

I need algorithm / VI to check a table that contains items and loop start tags (text) (While and For) and (for End) and End While loop end tags. Loops can be nested to any level and can be mixed (While loops inside loops and vice versa). I need a VI that can analyze this (String) table and output a Boolean value if the curls are not logically placed (number of loops of departure is not not in number of for loops, loops starting end before beginning loops etc.) and a text indicating the problem. Can anyone help!

Thank you very much!

Pleasant day to you!

Taking your example of an illogical nested loop:

put "For".

put 'While '.

Now the stack is:

While

For

and we get an end tag 'For' that would assess:

pop == 'For'-> 'In ' ==' to'-> false

and now, we can also use two tags to display: 'End for' encountered where 'End While' was expected.

Back home, I have little code (in development) that analyzes xml and must manage the opening and closing xml tag. I'll have a look if it helps and post it in case.

Felix

Tags: NI Software

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