public Expression VisitIfBlock([NotNull] VelocityParser.IfBlockContext context)
{
var elseBlock = context.ifElseBlock();
Expression falseContent = elseBlock == null
? Constants.EmptyExpression
: Visit(elseBlock.block());
var elseIfBlocks = context.GetRuleContexts <VelocityParser.IfElseifBlockContext>();
for (int i = elseIfBlocks.Length - 1; i >= 0; i--)
{
var elseIf = elseIfBlocks[i];
var innerCondition = new CoerceToBooleanExpression(Visit(elseIf.expression()));
var elseIfContent = Visit(elseIf.block());
falseContent = Expression.IfThenElse(innerCondition, elseIfContent, falseContent);
}
var condition = new CoerceToBooleanExpression(Visit(context.expression()));
var trueContent = Visit(context.block());
return(Expression.IfThenElse(condition, trueContent, falseContent));
}
protected virtual Expression VisitCoerceToBoolean(CoerceToBooleanExpression node) => base.VisitExtension(node);
