private object InterpretBinaryOperatorExpression(BinaryOperatorExpression expression, bool returnRef = false)
{
switch (expression.Operator)
{
case AphidTokenType.AdditionOperator:
return(_opHelper.Add(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.MinusOperator:
return(_opHelper.Subtract(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.MultiplicationOperator:
return(_opHelper.Multiply(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.DivisionOperator:
return(_opHelper.Divide(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.MemberOperator:
return(InterpretMemberExpression(expression, returnRef));
case AphidTokenType.AssignmentOperator:
return(InterpetAssignmentExpression(expression, returnRef));
case AphidTokenType.NotEqualOperator:
case AphidTokenType.EqualityOperator:
return(InterpretEqualityExpression(expression));
case AphidTokenType.LessThanOperator:
return(CompareDecimals(expression, (x, y) => x < y));
case AphidTokenType.LessThanOrEqualOperator:
return(CompareDecimals(expression, (x, y) => x <= y));
case AphidTokenType.GreaterThanOperator:
return(CompareDecimals(expression, (x, y) => x > y));
case AphidTokenType.GreaterThanOrEqualOperator:
return(CompareDecimals(expression, (x, y) => x >= y));
case AphidTokenType.AndOperator:
return(InterpretAndExpression(expression));
case AphidTokenType.OrOperator:
return(InterpretOrExpression(expression));
case AphidTokenType.ModulusOperator:
return(_opHelper.Mod(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.ShiftLeft:
return(_opHelper.BinaryShiftLeft(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.ShiftRight:
return(_opHelper.BinaryShiftRight(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.BinaryAndOperator:
return(_opHelper.BinaryAnd(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.BinaryOrOperator:
return(_opHelper.BinaryOr(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.XorOperator:
return(_opHelper.Xor(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.PipelineOperator:
return(InterpretCallExpression(new CallExpression(expression.RightOperand, expression.LeftOperand)));
default:
throw new AphidRuntimeException("Unknown operator {0} in expression {1}", expression.Operator, expression);
}
}
private object InterpretBinaryOperatorExpression(BinaryOperatorExpression expression, bool returnRef = false)
{
switch (expression.Operator)
{
case AphidTokenType.AdditionOperator:
return(OperatorHelper.Add(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.MinusOperator:
return(OperatorHelper.Subtract(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.MultiplicationOperator:
return(OperatorHelper.Multiply(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.DivisionOperator:
return(OperatorHelper.Divide(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.MemberOperator:
return(InterpretMemberExpression(expression, returnRef));
case AphidTokenType.AssignmentOperator:
return(InterpetAssignmentExpression(expression, returnRef));
case AphidTokenType.DivisionEqualOperator:
return(InterprentOperatorAndAssignmentExpression(OperatorHelper.Divide, expression));
case AphidTokenType.MinusEqualOperator:
return(InterprentOperatorAndAssignmentExpression(OperatorHelper.Subtract, expression));
case AphidTokenType.ModulusEqualOperator:
return(InterprentOperatorAndAssignmentExpression(OperatorHelper.Mod, expression));
case AphidTokenType.MultiplicationEqualOperator:
return(InterprentOperatorAndAssignmentExpression(OperatorHelper.Multiply, expression));
case AphidTokenType.PlusEqualOperator:
return(InterprentOperatorAndAssignmentExpression(OperatorHelper.Add, expression));
case AphidTokenType.XorEqualOperator:
return(InterprentOperatorAndAssignmentExpression(OperatorHelper.Xor, expression));
case AphidTokenType.NotEqualOperator:
case AphidTokenType.EqualityOperator:
return(InterpretEqualityExpression(expression));
case AphidTokenType.LessThanOperator:
return(CompareDecimals(expression, (x, y) => x < y));
case AphidTokenType.LessThanOrEqualOperator:
return(CompareDecimals(expression, (x, y) => x <= y));
case AphidTokenType.GreaterThanOperator:
return(CompareDecimals(expression, (x, y) => x > y));
case AphidTokenType.GreaterThanOrEqualOperator:
return(CompareDecimals(expression, (x, y) => x >= y));
case AphidTokenType.AndOperator:
return(InterpretAndExpression(expression));
case AphidTokenType.OrOperator:
return(InterpretOrExpression(expression));
case AphidTokenType.ModulusOperator:
return(OperatorHelper.Mod(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.ShiftLeft:
return(OperatorHelper.BinaryShiftLeft(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.ShiftRight:
return(OperatorHelper.BinaryShiftRight(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.BinaryAndOperator:
return(OperatorHelper.BinaryAnd(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.BinaryOrOperator:
return(OperatorHelper.BinaryOr(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.XorOperator:
return(OperatorHelper.Xor(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.PipelineOperator:
return(InterpretCallExpression(new CallExpression(expression.RightOperand, expression.LeftOperand)));
case AphidTokenType.RangeOperator:
return(OperatorHelper.Range(
InterpretExpression(expression.LeftOperand) as AphidObject,
InterpretExpression(expression.RightOperand) as AphidObject));
case AphidTokenType.SelectOperator:
var collection = (List <AphidObject>)((AphidObject)InterpretExpression(expression.LeftOperand)).Value;
var value = ((AphidObject)InterpretExpression(expression.RightOperand)).Value;
var func = value as AphidFunction;
if (func != null)
{
return(new AphidObject(collection.Select(x => CallFunction(func, x)).ToList()));
}
var func2 = value as AphidInteropFunction;
if (func2 != null)
{
return(new AphidObject(collection.Select(x => CallInteropFunction(func2, x)).ToList()));
}
throw new InvalidOperationException();
case AphidTokenType.SelectManyOperator:
collection = (List <AphidObject>)((AphidObject)InterpretExpression(expression.LeftOperand)).Value;
value = ((AphidObject)InterpretExpression(expression.RightOperand)).Value;
func = value as AphidFunction;
if (func != null)
{
return(new AphidObject(collection.SelectMany(x => (List <AphidObject>)CallFunction(func, x).Value).ToList()));
}
func2 = value as AphidInteropFunction;
if (func2 != null)
{
return(new AphidObject(collection.SelectMany(x => (List <AphidObject>)CallInteropFunction(func2, x).Value).ToList()));
}
throw new InvalidOperationException();
case AphidTokenType.AggregateOperator:
collection = (List <AphidObject>)((AphidObject)InterpretExpression(expression.LeftOperand)).Value;
value = ((AphidObject)InterpretExpression(expression.RightOperand)).Value;
func = value as AphidFunction;
if (func != null)
{
return(collection.Aggregate((x, y) => CallFunction(func, x, y)));
}
func2 = value as AphidInteropFunction;
if (func2 != null)
{
return(collection.Aggregate((x, y) => CallInteropFunction(func2, x, y)));
}
throw new InvalidOperationException();
case AphidTokenType.AnyOperator:
collection = (List <AphidObject>)((AphidObject)InterpretExpression(expression.LeftOperand)).Value;
value = ((AphidObject)InterpretExpression(expression.RightOperand)).Value;
func = (AphidFunction)((AphidObject)InterpretExpression(expression.RightOperand)).Value;
if (func != null)
{
return(new AphidObject(collection.Any(x => (bool)CallFunction(func, x).Value)));
}
func2 = value as AphidInteropFunction;
if (func2 != null)
{
return(new AphidObject(collection.Any(x => (bool)CallInteropFunction(func2, x).Value)));
}
throw new InvalidOperationException();
case AphidTokenType.WhereOperator:
collection = (List <AphidObject>)((AphidObject)InterpretExpression(expression.LeftOperand)).Value;
value = ((AphidObject)InterpretExpression(expression.RightOperand)).Value;
func = (AphidFunction)((AphidObject)InterpretExpression(expression.RightOperand)).Value;
if (func != null)
{
return(new AphidObject(collection.Where(x => (bool)CallFunction(func, x).Value).ToList()));
}
func2 = value as AphidInteropFunction;
if (func2 != null)
{
return(new AphidObject(collection.Where(x => (bool)CallInteropFunction(func2, x).Value).ToList()));
}
throw new InvalidOperationException();
default:
throw new AphidRuntimeException("Unknown operator {0} in expression {1}", expression.Operator, expression);
}
}