protected virtual void VisitFunctionInvocationExpression(BoundFunctionInvocationExpression node)
{
foreach (var argument in node.Arguments)
{
VisitExpression(argument);
}
}
protected override void VisitFunctionInvocationExpression(BoundFunctionInvocationExpression node)
{
var sourceFunctionSymbol = node.Symbol as SourceFunctionSymbol;
if (sourceFunctionSymbol != null)
{
if (sourceFunctionSymbol.DefinitionSyntax == null && !IsInterfaceMethod(sourceFunctionSymbol))
{
_diagnostics.ReportFunctionMissingImplementation(node.Syntax);
}
}
base.VisitFunctionInvocationExpression(node);
}
private Expression BuildFunctionInvocationExpression(BoundFunctionInvocationExpression expression)
{
var liftedArguments = expression.Arguments.Select(BuildCachedExpression).ToImmutableArray();
if (liftedArguments.Length == 0)
{
return(BuildInvocation(expression.Symbol, liftedArguments));
}
var nullableResultType = expression.Type.GetNullableType();
return
(Expression.Condition(
BuildNullCheck(liftedArguments),
BuildNullValue(nullableResultType),
BuildInvocation(expression.Symbol, liftedArguments)
));
}
private static Symbol GetSymbol(BoundFunctionInvocationExpression expression)
{
return(expression.Symbol);
}
