-- IfThenElseExample.OneCasaba: April 7, 1986 1:34:35 pm PST
-- Sturgis, April 7, 1986 1:48:49 pm PST

Begin

{ "If" "Then" "Else" "_" "+" }: SimpleTokens;

Id: GenericToken = "tokenID";
Num: GenericToken = "tokenDECIMAL";

MainGoal: NonTerminal;
MainGoal _ statement;

statement: NonTerminal;
statement _ Id "_" expression;
statement _ "If" expression "Then" statement "Else" statement;
statement _ "If" expression "Then" statement;

expression: NonTerminal;
expression _ Id "+" Num;

End.