public override ParserRuleContext VisitPowerExpr([NotNull] StructuredTextParser.PowerExprContext context)
{
var unaryExpr = (VisualBasicParser.UnaryExprContext)Visit(context.lhs);
if (context.rhs == null)
{
return(unaryExpr);
}
VisualBasicParser.PowerExprContext powerExpr;
if (unaryExpr.ChildCount == 1)
{
powerExpr = unaryExpr.rhs;
}
else
{
powerExpr = new VisualBasicParser.PowerExprContext(null, 0);
AddChild(powerExpr, parent =>
{
unaryExpr.Parent = parent;
return(unaryExpr);
});
}
foreach (var rhs in context.unaryExpr().Skip(1))
{
powerExpr.AddChild(new CommonToken(VisualBasicParser.HAT, "^"));
AddChild(powerExpr, parent =>
{
_contextStack.Push(parent);
var unary = (VisualBasicParser.UnaryExprContext)Visit(rhs);
_contextStack.Pop();
return(unary);
});
}
var result = new VisualBasicParser.UnaryExprContext((ParserRuleContext)unaryExpr.Parent, 0);
result.AddChild(powerExpr);
powerExpr.Parent = result;
return(result);
}
/// <summary>
/// Visit a parse tree produced by <see cref="StructuredTextParser.powerExpr"/>.
/// <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 VisitPowerExpr([NotNull] StructuredTextParser.PowerExprContext context)
{
return(VisitChildren(context));
}
