Cú pháp của PL/0 mở rộng Program pptx

Cú pháp của PL/0 mở rộng Block ; PROGRAM Ident y Program CONST VAR Ident , ; PROCEDURE Block Statement END BEGIN Ident = Ident ( ) VAR Ident [ ] Number Block Number ; , ; ; ; ; Statement CALL WHILE THEN FOR DO IF Ident TO Condition Statement Expression Ident := Expression Expression Statement DO Condition Statement Statement END BEGIN ; Statement Ident Expression ( ) , := [ ] Expression Statement ELSE Term Expression Term + - + - Factor Term Factor * / Term Expression Term + - + - Condition < = > >= <= <> Expression Expression Expression ODD . Cú pháp của PL/0 mở rộng Block ; PROGRAM Ident y Program CONST VAR Ident , ; PROCEDURE