public void TestFunctionCall(FunctionCallingAstNode expect,
FunctionCallingAstNode actual, string traceMessage)
{
Assert.AreEqual(expect.Callee, actual.Callee, traceMessage);
Assert.IsTrue(
EqualCheckUtil.EnumerableEqual(expect.Arguments, actual.Arguments),
traceMessage);
}
public void Visit(FunctionCallingAstNode visitable)
{
if (!_context.HasFunction(visitable.Callee))
{
throw new UndefinedVariableException($"function {visitable.Callee}");
}
var args = visitable.Arguments;
var prototypes = _context.GetFunction(visitable.Callee);
var sameCountPrototypes = (from proto in prototypes
where proto.Parameters.Length == (args?.Length ?? 0)
select proto).ToArray();
if (args is null || args.Length == 0)
{
if (sameCountPrototypes.Length != 1)
{
throw new VariableRedefineException($"function {visitable.Callee}");
}
return;
}
for (int i = 0; i < args.Length; i++)
{
Visit(args[i]);
var i1 = i;
var protoToReserve = (from proto in sameCountPrototypes
where proto.Parameters[i1].Type == _exprType
select proto).ToArray();
if (protoToReserve.Length == 0)
{
throw new SemanticException(
$"no matching function: {visitable.Callee}");
}
sameCountPrototypes = protoToReserve;
}
if (sameCountPrototypes.Length != 1)
{
throw new VariableRedefineException($"function {visitable.Callee}");
}
}
public void Visit(FunctionCallingAstNode visitable)
{
throw new System.NotImplementedException();
}
public bool Equals(FunctionCallingAstNode other)
{
return(Callee == other.Callee &&
EqUtil.EnumerableEqual(Arguments, other.Arguments));
}