BadEmptyIfBranchValidator.cs

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using BadScript2.Parser.Expressions;
using BadScript2.Parser.Expressions.Block;
 
namespace BadScript2.Parser.Validation.Validators;
 
public class BadEmptyIfBranchValidator : BadExpressionValidator<BadIfExpression>
{
    protected override void Validate(BadExpressionValidatorContext context, BadIfExpression expr)
    {
        foreach (KeyValuePair<BadExpression, BadExpression[]> branch in expr.ConditionalBranches)
        {
            if (branch.Value.Length == 0)
            {
                context.AddError(
                    "If branch has no expressions",
                    expr,
                    branch.Key,
                    this
                );
            }
        }
 
        if (expr.ElseBranch == null)
        {
            return;
        }
 
        if (!expr.ElseBranch.Any())
        {
            context.AddError(
                "Else statement has no expressions",
                expr,
                expr,
                this
            );
        }
    }
}