public override Expression VisitRuleStatement([NotNull] RuleEngineParser.RuleStatementContext context)
{
var whenThenStatementContexts = context.whenThenStatement();
var elseStatementContext = context.elseStatement();
var expression = VisitElseStatement(elseStatementContext);
for (int i = whenThenStatementContexts.Length - 1; i >= 0; i--)
{
var whenThenExpression = VisitWhenThenStatement(whenThenStatementContexts[i]) as ConditionalExpression;
var trueExpression = whenThenExpression.IfTrue;
(trueExpression, expression) = Convert(trueExpression, expression);
expression = Expression.Condition(whenThenExpression.Test, trueExpression, expression);
}
var returnType = jRuleObjectTypeMapping.ReturnType;
if (expression.Type != returnType)
{
expression = Expression.Convert(expression, returnType);
}
return(expression);
}
/// <summary>
/// Visit a parse tree produced by <see cref="RuleEngineParser.ruleStatement"/>.
/// <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 VisitRuleStatement([NotNull] RuleEngineParser.RuleStatementContext context)
{
return(VisitChildren(context));
}
