/*
* < expr > 'when' < condition > 'else' < expr >
*/
AstNode ParseTernaryIfElse()
{
var expr = ParseRange();
// Match all ternary conditionals
while (unit.Match(TokenClass.Keyword, "when"))
{
var location = unit.Read().Location;
// Parse the condition
var condition = ParseExpression();
// Expect the 'else' keyword
unit.Expect(TokenClass.Keyword, "else");
// Parse the right side of the condition
var right = ParseTernaryIfElse();
// Create the ternary expression
expr = new TernaryExpression(
location: location,
condition: condition,
left: expr,
right: right
);
}
// Return the expression
return(expr);
}
public virtual void Accept(TernaryExpression node) => Update(node);
public override void Accept(TernaryExpression node)
{
node.VisitChildren(this);
}
