private IExpression CreateFunction(TextSpan token, IParser parser)
{
var nameExpr = parser.ConsumeObjectId();
parser.Scanner.Consume(SqlToken.LParen);
var arguments = parser.ConsumeArgumentList();
parser.Scanner.Consume(SqlToken.RParen);
parser.Scanner.Consume(SqlToken.Returns);
parser.Scanner.TryConsumeVariable(out var returnVariableExpr);
var returnTypeExpr = parser.ConsumeDataType();
parser.Scanner.Consume(SqlToken.As);
var body = parser.ConsumeBeginBody();
return(new CreateFunctionSqlCodeExpr
{
Name = nameExpr,
Arguments = arguments,
ReturnVariable = returnVariableExpr,
ReturnType = returnTypeExpr,
Body = body
});
}
