// Source: https://esolangs.org/wiki/Brainfuck
pub const HELLO_WORLD: &str = "
    1 +++++ +++               Set Cell #0 to 8
    2 [
    3     >++++               Add 4 to Cell #1; this will always set Cell #1 to 4
    4     [                   as the cell will be cleared by the loop
    5         >++             Add 4*2 to Cell #2
    6         >+++            Add 4*3 to Cell #3
    7         >+++            Add 4*3 to Cell #4
    8         >+              Add 4 to Cell #5
    9         <<<<-           Decrement the loop counter in Cell #1
    10     ]                   Loop till Cell #1 is zero
    11     >+                  Add 1 to Cell #2
    12     >+                  Add 1 to Cell #3
    13     >-                  Subtract 1 from Cell #4
    14     >>+                 Add 1 to Cell #6
    15     [<]                 Move back to the first zero cell you find; this will
    16                         be Cell #1 which was cleared by the previous loop
    17     <-                  Decrement the loop Counter in Cell #0
    18 ]                       Loop till Cell #0 is zero
    19 
    20 The result of this is:
    21 Cell No :   0   1   2   3   4   5   6
    22 Contents:   0   0  72 104  88  32   8
    23 Pointer :   ^
    24 
    25 >>.                     Cell #2 has value 72 which is 'H'
    26 >---.                   Subtract 3 from Cell #3 to get 101 which is 'e'
    27 +++++ ++..+++.          Likewise for 'llo' from Cell #3
    28 >>.                     Cell #5 is 32 for the space
    29 <-.                     Subtract 1 from Cell #4 for 87 to give a 'W'
    30 <.                      Cell #3 was set to 'o' from the end of 'Hello'
    31 +++.----- -.----- ---.  Cell #3 for 'rl' and 'd'
    32 >>+.                    Add 1 to Cell #5 gives us an exclamation point
    33 >++.                    And finally a newline from Cell #6
";

use yabf_rs::*;
fn main() {
    let program = Program::from(HELLO_WORLD);
    let mut bf = BfInstance::from(program);
    bf.run(&mut default_input_source, &mut default_flush);
}