(Solved Homework): Consider the grammar: program rightarrow statements program rightarrow subroutine statement rightarrow assign

Programming languages:

Consider the grammar: program statements program subroutine statement assign statement proc e assign id expression proc e id (parameters expression car car car operation expression car Car 1d car-sub call car (expression) I/ operation parameters expression arg car arg car parameters arg car id any alphanumeric token, e.g., foo123) (Epsilon, E, denotes an empty string) Construct a parse tree for the input string: bar(x, y)

Consider the grammar: program rightarrow statements program rightarrow subroutine statement rightarrow assign statement rightarrow proc_e assign rightarrow id = expression proc_e rightarrow id (parameters) expression rightarrow car cdr car rightarrow operation expression cdr rightarrow epsilon Car rightarrow id car rightarrow sub_call car rightarrow (expression) operation rightarrow + |-|*|/parameters rightarrow expression arg_cdr arg_cdr rightarrow, parameters arg_cdr rightarrow epsilon id rightarrow. .. (;;:any alphanumeric token, e.g., foo123) (Epsilon, epsilon, denotes an empty string) Construct a parse tree for the input string:bar (x, y)

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