program ::= (variable-def | function-def)* function-def ::= typespecifier ID params compound-stmt variable-def ::= typespecifier init-decl-list “;” init-decl-list ::= init-decl (“,” init-decl)* init-decl ::= declarator (“=” initializer)? declarator ::= ID | ID “[“ INTLITERAL “]” initializer ::= expr | “{“ expr ( “,” expr )* “}” typespecifier ::= void | int | bool | float compound-stmt ::= “{” variable-def* stmt* “}” stmt ::= compound-stmt | if-stmt | while-stmt | for-stmt | return expr? “;” | ID “=” expr “;” | ID “[” expr “]” “=” expr “;” | ID arglist “;” if-stmt ::= if “(” expr “)” stmt ( else stmt )? while-stmt ::= while “(“ expr “)” stmt for-stmt ::= for “(“ asgnexpr? ”;” expr? “;” asgnexpr? “)” stmt expr ::= or-expr or-expr ::= and-expr | or-expr “||” and-expr and-expr ::= relational-expr | and-expr “&&” relational-expr relational-expr ::= add-expr | add-expr “==” add-expr | add-expr “!=” add-expr | add-expr “<” add-expr | add-expr “<=” add-expr | add-expr “>” add-expr | add-expr “>=” add-expr add-expr ::= mult-expr | add-expr “+” mult-expr | add-expr “-“ mult-expr
mult-expr ::= unary-expr | mult-expr “*” unary-expr | mult-expr “/” unary-expr unary-expr ::= primary-expr | “+” unary-expr | “-“ unary-expr | “!” unary-expr primary-expr ::= ID arglist? | ID “[“ expr “]” | “(“ expr “)” | INTLITERAL | BOOLLITERAL | FLOATLITERAL | STRINGLITERAL asgnexpr ::= ID “=” expr params ::= “(“ params-list? “)” params-list ::= parameter-decl ( “,” parameter-decl )* parameter-decl ::= typespecifier declarator arglist ::= “(“ args? “)” args ::= arg ( “,” arg )* arg ::= expr
