ValidateNumParameters() private method

private ValidateNumParameters ( int numArgs ) : void
numArgs int
return void
Compiler Class Documentation
Example #1
0
        // Subscript or "array indexing" operator like `foo[bar]`.
        private static void Subscript(Compiler c, bool allowAssignment)
        {
            Signature signature = new Signature { Name = "", Length = 0, Type = SignatureType.Subscript, Arity = 0 };

            // Parse the argument list.
            c.FinishArgumentList(signature);
            c.Consume(TokenType.RightBracket, "Expect ']' after arguments.");

            if (c.Match(TokenType.Eq))
            {
                if (!allowAssignment) c.Error("Invalid assignment.");

                signature.Type = SignatureType.SubscriptSetter;

                // Compile the assigned value.
                c.ValidateNumParameters(++signature.Arity);
                c.Expression();
            }

            c.CallSignature(Instruction.CALL_0, signature);
        }