清华大学：编译原理课件（英文译文）Chapter 3.5 Extended Notations：EBNFand Syntax Diagrams

Examples The corresponding ebnf is exp>term addo term adop→+ term,factor! mulop factor ml0p→ factor→(ex) number, The corresponding syntax diagrams are given as follows: etp term dop

Examples • The corresponding EBNF is exp → term { addop term } addop→ + | - term → factor { mulop factor } mulop→ * factor → ( exp ) | numberr , • The corresponding syntax diagrams are given as follows: exp term term addop

Examples ter Actor mop ctor

Examples addop + - term factor factor mulop * mulop factor ( exp ) number