private void CheckAccessLevel(OverloadMatch match)
{
if (!SemanticsHelper.AccessLevelMatches(match.Option.AccessLevel, match.Option.ContainingType, _parseInfo.ThisType))
{
_parseInfo.Script.Diagnostics.Error(string.Format("'{0}' is inaccessable due to its access level.", Overload.GetLabel(_parseInfo.TranslateInfo, LabelInfo.OverloadError)), _targetRange);
}
}
public ReturnAction(ParseInfo parseInfo, Scope scope, Return returnContext)
{
ErrorRange = returnContext.Range;
ReturningFromScope = scope;
// Get the expression being returned.
if (returnContext.Expression != null)
{
ReturningValue = parseInfo.SetExpectType(parseInfo.ReturnType).GetExpression(scope, returnContext.Expression);
if (parseInfo.ReturnType != null &&
// Make sure that the return type matches.
SemanticsHelper.ExpectValueType(parseInfo, ReturningValue, parseInfo.ReturnType, returnContext.Expression.Range) &&
// There is a return tracker with a return handler already added.
parseInfo.ReturnTracker != null && parseInfo.ReturnTracker.Returns.Count > 0 &&
// The return type is constant.
parseInfo.ReturnType.IsConstant())
{
// Multiple returns not allowed.
parseInfo.Script.Diagnostics.Error("Cannot have more than one return statement if the function's return type is constant", ErrorRange);
}
// returning value in void method
else if (parseInfo.ReturnType == null)
{
parseInfo.Script.Diagnostics.Error("Return type is void, no value can be returned", ErrorRange);
}
}
// No return value provided, and one was expected.
else if (parseInfo.ReturnType != null)
{
parseInfo.Script.Diagnostics.Error("Must return a value of type '" + parseInfo.ReturnType.GetName() + "'", returnContext.Token.Range);
}
parseInfo.ReturnTracker?.Add(this);
}
