public Operator[] ConfigOperators()
{
// there are less priority operators at the bottom and more priority operators at the top
return(ConfigBuilder.Start()
.AddOperatorGroup(new Operator(Arity.Unary,
Associativity.Left,
OperatorType.Factorial,
Fixity.Postfix,
"!"),
new Operator(Arity.Unary,
Associativity.Right,
OperatorType.Not,
Fixity.Prefix,
"!",
"not"),
new Operator(Arity.Unary,
Associativity.Right,
OperatorType.UnaryPlus,
Fixity.Prefix,
"+"),
new Operator(Arity.Unary,
Associativity.Right,
OperatorType.UnaryMinus,
Fixity.Prefix,
"-"),
new Operator(Arity.Unary,
Associativity.Right,
OperatorType.Invert,
Fixity.Prefix,
"~"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Multiple,
Fixity.Infix,
"*"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Divide,
Fixity.Infix,
"/"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Reminder,
Fixity.Infix,
"%"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Plus,
Fixity.Infix,
"+"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Minus,
Fixity.Infix,
"-"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.GreaterThan,
Fixity.Infix,
">",
"gt"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.LesserThan,
Fixity.Infix,
"<",
"lt"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.GreaterOrEqualsThan,
Fixity.Infix,
">=",
"gte"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.LesserOrEqualsThan,
Fixity.Infix,
"<=",
"lte"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Equals,
Fixity.Infix,
"=",
"==",
"===",
"eq"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.NotEquals,
Fixity.Infix,
"!=",
"!==",
"<>",
"neq"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.InRange,
Fixity.Infix,
"in"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Contains,
Fixity.Infix,
"contains"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.StartsWith,
Fixity.Infix,
"startsWith"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.EndsWith,
Fixity.Infix,
"endsWith"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Separator,
Fixity.Infix,
","))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.And,
Fixity.Infix,
"&",
"&&",
"and"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Xor,
Fixity.Infix,
"^"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Or,
Fixity.Infix,
"|",
"||",
"or"))
.AddOperatorGroup(new Operator(Arity.Multiarity,
Associativity.Left,
OperatorType.OpenPriorityBracket,
Fixity.Circumflex,
"("),
new Operator(Arity.Multiarity,
Associativity.Left,
OperatorType.ClosePriorityBracket,
Fixity.Circumflex,
")"))
.AddOperatorGroup(new Operator(Arity.Unary,
Associativity.Left,
OperatorType.OpenEscapeOperator,
Fixity.Circumflex,
"["),
new Operator(Arity.Unary,
Associativity.Left,
OperatorType.CloseEscapeOperator,
Fixity.Circumflex,
"]"))
.AddOperatorGroup(new Operator(Arity.Nulary,
Associativity.Left,
OperatorType.Terminator,
Fixity.Postfix,
";"))
.Build());
}
public Operator[] ConfigOperators()
{
// there are less priority operators at the bottom and more priority operators at the top
var operators = ConfigBuilder.Start()
.AddOperatorGroup(new Operator(Arity.Unary,
Associativity.Right,
OperatorType.Not,
Fixity.Prefix,
"!"),
new Operator(Arity.Unary,
Associativity.Right,
OperatorType.UnaryPlus,
Fixity.Prefix,
"+"),
new Operator(Arity.Unary,
Associativity.Right,
OperatorType.UnaryMinus,
Fixity.Prefix,
"-"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Multiple,
Fixity.Infix,
"*"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Divide,
Fixity.Infix,
"/"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Reminder,
Fixity.Infix,
"%"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Plus,
Fixity.Infix,
"+"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Minus,
Fixity.Infix,
"-"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.GreaterThan,
Fixity.Infix,
">"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.LesserThan,
Fixity.Infix,
"<"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.GreaterOrEqualsThan,
Fixity.Infix,
">="),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.LesserOrEqualsThan,
Fixity.Infix,
"<="))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Equals,
Fixity.Infix,
"="),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.NotEquals,
Fixity.Infix,
"<>"))
.AddOperatorGroup(new Operator(Arity.Multiarity,
Associativity.Left,
OperatorType.InRange,
Fixity.Infix,
"in"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Contains,
Fixity.Infix,
"like"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.EndsWith,
Fixity.Infix,
"like"),
new Operator(Arity.Binary,
Associativity.Left,
OperatorType.StartsWith,
Fixity.Infix,
"like"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Separator,
Fixity.Infix,
","))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.And,
Fixity.Infix,
"and"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Xor,
Fixity.Infix,
"^"))
.AddOperatorGroup(new Operator(Arity.Binary,
Associativity.Left,
OperatorType.Or,
Fixity.Infix,
"or"))
.AddOperatorGroup(new Operator(Arity.Multiarity,
Associativity.Left,
OperatorType.OpenPriorityBracket,
Fixity.Circumflex,
"("),
new Operator(Arity.Multiarity,
Associativity.Left,
OperatorType.ClosePriorityBracket,
Fixity.Circumflex,
")"))
.AddOperatorGroup(new Operator(Arity.Unary,
Associativity.Left,
OperatorType.OpenEscapeOperator,
Fixity.Circumflex,
"["),
new Operator(Arity.Unary,
Associativity.Left,
OperatorType.CloseEscapeOperator,
Fixity.Circumflex,
"]"))
.Build();
var wrongOperator = operators.FirstOrDefault(x => x.Denotations.Length != 1);
if (wrongOperator != default)
{
throw new
InvalidOperationException($"Sql operators can have only one denotation, check out {wrongOperator}");
}
return(operators);
}