public override IAstNode VisitFunctionCallExpression([NotNull] FunctionCallExpressionContext context)
{
Prototype function = FindCallTarget(context.CaleeName);
var args = from expCtx in context.expression( )
select(IExpression) expCtx.Accept(this);
return(new FunctionCallExpression(context.GetSourceSpan( ), function, args));
}
public override Value VisitFunctionCallExpression([NotNull] FunctionCallExpressionContext context)
{
var function = GetFunction(context.CaleeName);
if (function == null)
{
throw new ArgumentException($"Unknown function reference {context.CaleeName}", nameof(context));
}
var args = context.Args.Select(ctx => ctx.Accept(this)).ToArray( );
return(InstructionBuilder.Call(function, args).RegisterName("calltmp"));
}
public override IAstNode VisitFunctionCallExpression(FunctionCallExpressionContext context)
{
Prototype?function = FindCallTarget(context.CaleeName);
if (function is null)
{
return(new ErrorNode(context.GetSourceSpan( ), $"Call to unknown function '{context.CaleeName}'"));
}
var args = from expCtx in context.expression( )
select(IExpression) expCtx.Accept(this);
return(new FunctionCallExpression(context.GetSourceSpan( ), function, args));
}
public override Expression VisitFunctionCallExpression([NotNull] FunctionCallExpressionContext context)
{
if (!IsPredefined(context.index()))
{
throw new UnsupportedSyntaxException("User-defined functions", context.index().Start);
}
var functionIndex = GetIndexNumber(context.index());
var expressions = new List <Expression>();
foreach (var child in context.expressionList().children)
{
if (child is ExpressionContext)
{
expressions.Add(VisitExpression(child as ExpressionContext));
}
}
return(PredefinedObjects.GetFunctionExpression(functionIndex, expressions.ToArray()));
}
