Homework from programming language processor class... I really need help with the codes... Thank you very much

Question 2 Answer the following questions to add the following repeat-until statement to PL/0 Production rule statement repeat statement until condition Action A statement 'repeat statement until condition' works as follows. 1. Execute statement. 2. If the value of condition is false, go to the step 1. Otherwise, exit this loop. Question 2-5 Fig.4 and Fig.5 show a test program repeat.plo and its output respectively, Write the output of repeat.plo compiled by your PL/O'compiler in your report. var x; % ./plod repeat.plo begin start compilation x := 0; start execution repeat begin write x; writeln; x := x + 1 end until x=3 end. NO Figure 5: The output of repeat.plo Figure 4: A test program repeat.plo Statement then statemene Statement - if rendition Statement it condition do | Stutcmene while - condition Statement - repent statement then statement centile condition staterberg else statement - condition then - Statement y aller fotien