Gramer rule for HPF front-end

(undefined name)

• /* empty */

• (undefined name) (undefined name)

(undefined name)

• expr

expr

• expr expr

• expr expr

• number

number

• DIGIT

Non-terminals in grammer rule

1. expr

DEFINED in: R0037

USED in: R0028 R0037 R0037 R0037 R0037

2. number

DEFINED in: R0042

USED in: R0037

Terminals in grammer rule

1. DIGIT

USED in: R0042