//Stmt:top//
//Stmt:import//
import java.util.*;

public abstract class Stmt /*Stmt:class*/ {

    public static final String $className = "Stmt";
    public static Stmt parse(Scan scn$, Trace trace$) {
        Token t$ = scn$.cur();
        Token.Match match$ = t$.match;
        switch(match$) {
        case IN:
            return InputStmt.parse(scn$,trace$);
        case VAR:
            return AssignStmt.parse(scn$,trace$);
        case OUT:
            return OutputStmt.parse(scn$,trace$);
        default:
            throw new PLCCException(
                "Parse error",
                "Stmt cannot begin with " + t$.errString()
            );
        }
    }

    abstract public void execute();

//Stmt//
}