protected override void VisitMethodCallSyntax(MethodCallSyntax pNode)
{
base.VisitMethodCallSyntax(pNode);
SmallType[] types = new SmallType[pNode.Arguments.Count];
for (int i = 0; i < types.Length; i++)
{
types[i] = pNode.Arguments[i].Type;
if (types[i] == SmallTypeCache.NoValue)
{
CompilerErrors.ExpressionNoValue(pNode.Arguments[i].Span);
}
}
if (SyntaxHelper.HasUndefinedCastAsArg(pNode))
{
IList <MethodDefinition> matches = _unit.GetAllMatches(Namespace, pNode.Value, pNode.Arguments.Count);
if (matches.Count > 1)
{
//If multiple matches are found the implicit cast could map to either method, so we can't tell
CompilerErrors.InferImplicitCast(pNode.Span);
return;
}
else if (matches.Count == 1)
{
//Check if we can determine implicit cast type yet
for (int j = 0; j < Math.Min(matches[0].ArgumentTypes.Count, pNode.Arguments.Count); j++)
{
if (SyntaxHelper.IsUndefinedCast(pNode.Arguments[j]))
{
TrySetImplicitCastType(pNode.Arguments[j], matches[0].ArgumentTypes[j]);
types[j] = pNode.Arguments[j].Type;
}
}
}
}
//Check to ensure this method exists
var result = SyntaxHelper.FindMethodOnType(out MethodDefinition m, _unit, Namespace, pNode.Value, CurrentType, types);
switch (result)
{
case Compiler.FindResult.NotFound:
CompilerErrors.MethodNotFound(m, Struct, pNode.Value, pNode.Arguments, pNode.Span);
return;
case Compiler.FindResult.IncorrectScope:
CompilerErrors.MethodNotInScope(m, Struct, pNode.Value, pNode.Arguments, pNode.Span);
return;
}
for (int i = 0; i < m.ArgumentTypes.Count; i++)
{
ForceCastLiteral(m.ArgumentTypes[i], pNode.Arguments[i]);
}
//Poly our method definition to match any generic types
m = m.MakeConcreteDefinition(CurrentType);
pNode.SetType(m.ReturnType);
}