Error Handling Statements

Modula-3 provides an exception mechanism for raising and handling error conditions that occur in programs.

• RAISE Stmt: RAISE <exception> [ "(" <except parm> ")" ]
• TRY-EXCEPT Stmt: TRY <stmts> EXCEPT <handlers> END
• TRY-FINALLY Stmt: TRY <stmts> FINALLY <stmts> END