public override object VisitReturnStatement(ReturnStatementContext context)
{
if (context.tupleExpression() != null)
{
var r = (Result)(Visit(context.tupleExpression()));
return((new System.Text.StringBuilder().Append("return ").Append(r.text).Append(Terminate).Append(Wrap)).to_str());
}
return((new System.Text.StringBuilder().Append("return").Append(Terminate).Append(Wrap)).to_str());
}
public override object VisitReturnStatement([NotNull] ReturnStatementContext context)
{
var r = (Result)Visit(context.tuple());
if (r.text == "()")
{
r.text = "";
}
return($"return {r.text} {Terminate} {Wrap}");
}
public ReturnStatement ParseReturnStatement(ReturnStatementContext node)
{
ReturnStatement statement = new ReturnStatement();
foreach (var child in node.children)
{
if (child is PredicateExpressionContext predicate)
{
statement.Value = new TokenInfo(predicate);
}
}
return(statement);
}
public override void EnterReturnStatement([NotNull] ReturnStatementContext context)
{
ReturnStatement returnStatement = new ReturnStatement(Parent, context);
if (context.expression() != null)
{
ExpressionListener listener = new ExpressionListener(returnStatement);
context.expression().EnterRule(listener);
returnStatement.Value = listener.GetResult();
}
Result.Add(returnStatement);
}
private void ParseReturnStatement(ReturnStatementContext node)
{
foreach (var child in node.children)
{
if (child is PredicateExpressionContext predicate)
{
this.ParsePredicateExpression(predicate);
}
else if (child is TerminalNodeImpl terminalNode)
{
string text = terminalNode.GetText();
this.Write(text, terminalNode.Symbol.Type == MySqlParser.RETURN ? this.indent: 0);
}
}
}
public override ReturnStatementNode VisitReturnStatement([NotNull] ReturnStatementContext context)
{
var expr = VisitExpr(context.expr());
return(new ReturnStatementNode(expr, GetLocation(context)));
}