public void Define()
{
// The rule describing all valid binary operators.
ValidBinaryOperators.Rule = Add
| Modulo
| Divide
| LessOrEqual
| Less
| Greater
| GreaterOrEqual
| Equal
| NotEqual
| grammar.Keywords.And
| grammar.Keywords.Or
| BitwiseShiftRight
| BitwiseShiftLeft
| BitwiseOr
| BitwiseAnd
| BitwiseXor
| Subtract
| Multiply
| As;
grammar.MarkTransient(ValidBinaryOperators);
// Set operators precedence and associativity, in increasing order of precedence.
int precedence = 1;
grammar.RegisterOperators(precedence += 1, Associativity.Right, "=", "+=", "-=", "/=", "*=", "|=", "&=", "^=");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "||");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "&&");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "|");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "^");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "&");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "==", "!=");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "<", ">", ">=", "<=");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "<<", ">>");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "+", "-");
grammar.RegisterOperators(precedence += 1, Associativity.Left, "*", "/", "%");
grammar.RegisterOperators(precedence += 1, Associativity.Right, "!", "-");
grammar.RegisterOperators(precedence += 1, As); // Casting
// Set comma and closing brace as operators so that lists can continue on the next line.
grammar.RegisterOperators(0, grammar.ToTerm("}"));
grammar.RegisterOperators(0, grammar.ToTerm(","));
// An operator expression: two expressions with the operator between
BinaryOperator.Rule = grammar.expression + ValidBinaryOperators + grammar.expression;
// The list of valid assignment operators: +=, -=, *=, /=, |*, &=, ^=
var validAssigments = new NonTerminal("valid_assigments");
validAssigments.Rule = EqualsAssignment
| AddAssignment
| SubtractAssignment
| MultiplyAssignment
| DivideAssignment
| OrAssignment
| AndAssignment
| XorAssignment;
grammar.MarkTransient(validAssigments);
// Assignment expression is an expression that can be assigned to, the operator, and the assigned expression.
Assignment.Rule = grammar.Assignable + validAssigments + grammar.expression + (grammar.Empty | grammar.Eos);
// Valid unary operators.
ValidUnaryOperators.Rule = Not | Negate;
// Unary operator + expression
UnaryOperator.Rule = ValidUnaryOperators + grammar.expression + (grammar.Empty | grammar.Eos);
grammar.MarkReservedWords("As");
}