public override Result VisitExpr_unary([NotNull] STGrammerParser.Expr_unaryContext context)
{
string str = Visit(context.expr()).Info as string;
switch (context.op.Type)
{
case STGrammerParser.PLUS: return(new Result(true, "+" + str));
case STGrammerParser.MINUS: return(new Result(true, "-" + str));
default: return(DefaultResult);
}
}
/// <summary>
/// Visit a parse tree produced by the <c>expr_unary</c>
/// labeled alternative in <see cref="STGrammerParser.expr"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitExpr_unary([NotNull] STGrammerParser.Expr_unaryContext context)
{
return(VisitChildren(context));
}
