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- program -> PROGRAM ID ; declarations compound_stmt .
- declarations -> declarations VAR id_list : INTEGER ;
- declarations -> EPSILON
- id_list -> ID
- id_list -> id_list , ID
- compound_stmt -> BEGIN optional_stmts END
- optional_stmts -> stmt_list
- optional_stmts -> EPSILON
- stmt_list -> stmt
- stmt_list -> stmt_list ; stmt
- stmt -> ID := simple_expression
- stmt -> compound_stmt
- stmt -> IF expression THEN stmt ELSE stmt
- stmt -> IF expression THEN stmt
- expression -> simple_expression
- expression -> simple_expression RELOP simple_expression
- simple_expression -> term
- simple_expression -> simple_expression ADDOP term
- term -> factor
- term -> term MULOP factor
- factor -> ID
- factor -> INTCON
- factor -> ( expression )
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