public override object VisitUnaryExpression([NotNull] TinyScriptParser.UnaryExpressionContext context)
{
if (context.ChildCount == 1)
{
return(VisitPrimaryExpression(context.primaryExpression()));
}
var ret = (Type)VisitUnaryExpression(context.unaryExpression());
var op = context.GetChild(0).GetText();
var b = OpBuilder.GetOpBuilder(ret, context, _builder);
b.ProcessUnary(op);
return(ret);
}
public override object VisitUnaryExpression([NotNull] TinyScriptParser.UnaryExpressionContext context)
{
if (context.ChildCount > 1)
{
switch (context.GetChild(0).GetText())
{
case "-": return(-((decimal)VisitUnaryExpression(context.unaryExpression())));
case "!": return(!((bool)VisitUnaryExpression(context.unaryExpression())));
}
}
return(VisitPrimaryExpression(context.primaryExpression()));
}
/// <summary>
/// Visit a parse tree produced by <see cref="TinyScriptParser.unaryExpression"/>.
/// <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 VisitUnaryExpression([NotNull] TinyScriptParser.UnaryExpressionContext context)
{
return(VisitChildren(context));
}
