public IOperator RegisterUnaryCastOperator(OperandType operandType, int precedence, DoubleOperandFunctionMatrix matrix)
{
var text = operandType.ToString();
var castToOperand = new Operand(operandType);
var op = new Operator(
OperatorType.UnaryCastOperator,
precedence,
ShortCircuitMode.None,
(operandStack, vSet, parserPosition) =>
{
var result = OperatorActions.DoUnaryCastOperation(matrix, operandStack, vSet, castToOperand);
if (result != null)
{
throw new ExpressionEvaluatorException(parserPosition,
ExpressionEvaluatorException.ExceptionCause.BadUnaryOperand,
"Cast to (" + text + ") cannot be applied to operand of type " + result.Item1);
}
},
text
);
Operators.Add(text, op);
OperatorMatrices.Add(op, matrix);
return(op);
}
public IOperator RegisterOperator(
string text,
int precedence,
DoubleOperandFunctionMatrix matrix,
ShortCircuitMode shortCircuit = ShortCircuitMode.None,
OperatorType operatorType = OperatorType.Operator)
{
var op = new Operator(operatorType,
precedence,
shortCircuit,
(operandStack, vSet, parserPosition) =>
{
var result = OperatorActions.DoOperation(matrix, operandStack, vSet);
if (result != null)
{
throw new ExpressionEvaluatorException(
parserPosition,
ExpressionEvaluatorException.ExceptionCause.BadOperand,
"Operator '" + text + "' cannot be applied to operands of type " + result.Item1 + " and " + result.Item2);
}
}, text
);
Operators.Add(text, op);
OperatorMatrices.Add(op, matrix);
return(op);
}
public IOperator RegisterSetEqualsOperator(string text, int precedence, DoubleOperandFunctionMatrix matrix)
{
var op = new Operator(OperatorType.Operator, precedence, ShortCircuitMode.None,
(operandStack, vSet, parserPosition) =>
{
var result = OperatorActions.DoSetEquals(matrix, operandStack, vSet, parserPosition);
// DoSetEquals throws its own exception.
}
, text);
Operators.Add(text, op);
OperatorMatrices.Add(op, matrix);
return(op);
}
