[antlr-interest] is there any way make loop staments without a tree?

[Christian Meléndez]

hi there, i just want to know if ther is possible to make a loop statement
(for and while) without a tree, if it is a way, how??, almost i already
finish the grammar only needs this. Or tell me a way how to do a simple for
or while instruccion, i need to do something like this

if you put

x = 0;
while (x < 5){
 print(x);
 x++;
}

the output is
01234

i just need how to make the loop, how to visit de condition and the
insturccions again

-- 
Saludos Cordiales,
Christian Melendez
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