public virtual LessNode VisitMixinDefinition(LessParser.MixinDefinitionContext context)
{
throw new System.NotImplementedException();
}
public override LessNode VisitMixinDefinition(LessParser.MixinDefinitionContext context)
{
MixinParameterBase GetParameter(LessParser.MixinDefinitionParamContext param)
{
var ellipsis = param.Ellipsis();
var variable = param.variableName();
if (variable != null)
{
var paramName = variable.GetText().TrimStart('@');
if (ellipsis != null)
{
return(new NamedVarargsParameter(paramName));
}
return(new MixinParameter(paramName, null));
}
if (ellipsis != null)
{
return(VarargsParameter.Instance);
}
var variableDeclaration = param.variableDeclaration();
if (variableDeclaration != null)
{
var decl = (VariableDeclaration)variableDeclaration.Accept(this);
return(new MixinParameter(decl.Name, decl.Value));
}
var str = param.@string();
if (str != null)
{
return(new PatternMatchParameter((LessString)str.Accept(this)));
}
var number = param.Number();
if (number != null)
{
return(new PatternMatchParameter(new Measurement(decimal.Parse(number.GetText()), "")));
}
return(new PatternMatchParameter((Identifier)param.identifier().Accept(this)));
}
IEnumerable <MixinParameterBase> GetParameters(LessParser.MixinDeclarationContext decl)
{
var parameters = decl.mixinDefinitionParam();
if (parameters == null)
{
yield break;
}
foreach (var param in parameters)
{
yield return(GetParameter(param));
}
}
var declaration = context.mixinDeclaration();
var selector = (Selector)declaration.selector().Accept(this);
var ruleBlock = (RuleBlock)context.block().Accept(this);
var guard = (MixinGuard)context.mixinGuard()?.Accept(this);
return(new MixinDefinition(selector, GetParameters(declaration), ruleBlock, guard));
}
