public void Accept(TernaryOperationNode node)
{
var falseLabel = nextLabel();
var endLabel = nextLabel();
node.Condition.Visit(this);
emit(node.Condition.SourceLocation, InstructionType.JumpIfFalse, falseLabel);
node.TrueExpression.Visit(this);
emit(node.TrueExpression.SourceLocation, InstructionType.Jump, endLabel);
emitLabel(node.FalseExpression.SourceLocation, falseLabel);
node.FalseExpression.Visit(this);
emitLabel(node.FalseExpression.SourceLocation, endLabel);
}
private AstNode parseTernary()
{
var location = this.location;
AstNode left = parseLogicalOr();
while (acceptToken(TokenType.Question))
{
AstNode trueStatement = parseExpression();
expectToken(TokenType.Colon);
AstNode falseStatement = parseExpression();
left = new TernaryOperationNode(location, left, trueStatement, falseStatement);
}
return(left);
}
