mscorlib(4.0.0.0) API with additions
BinaryOperationBinder.cs
1 using System.Dynamic.Utils;
2 using System.Linq.Expressions;
3 
4 namespace System.Dynamic
5 {
7  [global::__DynamicallyInvokable]
8  public abstract class BinaryOperationBinder : DynamicMetaObjectBinder
9  {
10  private ExpressionType _operation;
11 
14  [global::__DynamicallyInvokable]
15  public sealed override Type ReturnType
16  {
17  [global::__DynamicallyInvokable]
18  get
19  {
20  return typeof(object);
21  }
22  }
23 
26  [global::__DynamicallyInvokable]
27  public ExpressionType Operation
28  {
29  [global::__DynamicallyInvokable]
30  get
31  {
32  return _operation;
33  }
34  }
35 
36  internal sealed override bool IsStandardBinder => true;
37 
40  [global::__DynamicallyInvokable]
41  protected BinaryOperationBinder(ExpressionType operation)
42  {
43  ContractUtils.Requires(OperationIsValid(operation), "operation");
44  _operation = operation;
45  }
46 
51  [global::__DynamicallyInvokable]
52  public DynamicMetaObject FallbackBinaryOperation(DynamicMetaObject target, DynamicMetaObject arg)
53  {
54  return FallbackBinaryOperation(target, arg, null);
55  }
56 
62  [global::__DynamicallyInvokable]
63  public abstract DynamicMetaObject FallbackBinaryOperation(DynamicMetaObject target, DynamicMetaObject arg, DynamicMetaObject errorSuggestion);
64 
69  [global::__DynamicallyInvokable]
70  public sealed override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
71  {
72  ContractUtils.RequiresNotNull(target, "target");
73  ContractUtils.RequiresNotNull(args, "args");
74  ContractUtils.Requires(args.Length == 1, "args");
75  DynamicMetaObject dynamicMetaObject = args[0];
76  ContractUtils.RequiresNotNull(dynamicMetaObject, "args");
77  return target.BindBinaryOperation(this, dynamicMetaObject);
78  }
79 
80  internal static bool OperationIsValid(ExpressionType operation)
81  {
82  switch (operation)
83  {
84  case ExpressionType.Add:
85  case ExpressionType.And:
86  case ExpressionType.Divide:
87  case ExpressionType.Equal:
88  case ExpressionType.ExclusiveOr:
89  case ExpressionType.GreaterThan:
90  case ExpressionType.GreaterThanOrEqual:
91  case ExpressionType.LeftShift:
92  case ExpressionType.LessThan:
93  case ExpressionType.LessThanOrEqual:
94  case ExpressionType.Modulo:
95  case ExpressionType.Multiply:
96  case ExpressionType.NotEqual:
97  case ExpressionType.Or:
98  case ExpressionType.Power:
99  case ExpressionType.RightShift:
100  case ExpressionType.Subtract:
101  case ExpressionType.Extension:
102  case ExpressionType.AddAssign:
103  case ExpressionType.AndAssign:
104  case ExpressionType.DivideAssign:
105  case ExpressionType.ExclusiveOrAssign:
106  case ExpressionType.LeftShiftAssign:
107  case ExpressionType.ModuloAssign:
108  case ExpressionType.MultiplyAssign:
109  case ExpressionType.OrAssign:
110  case ExpressionType.PowerAssign:
111  case ExpressionType.RightShiftAssign:
112  case ExpressionType.SubtractAssign:
113  return true;
114  default:
115  return false;
116  }
117  }
118  }
119 }
System.Dynamic.BinaryOperationBinder.Bind
sealed override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
Performs the binding of the dynamic binary operation.
Definition: BinaryOperationBinder.cs:70
System.Dynamic.DynamicMetaObject
Represents the dynamic binding and a binding logic of an object participating in the dynamic binding.
Definition: DynamicMetaObject.cs:10
System
Definition: __Canon.cs:3
System.Dynamic.BinaryOperationBinder.BinaryOperationBinder
BinaryOperationBinder(ExpressionType operation)
Initializes a new instance of the T:System.Dynamic.BinaryOperationBinder class.
Definition: BinaryOperationBinder.cs:41
System.Dynamic.BinaryOperationBinder.FallbackBinaryOperation
DynamicMetaObject FallbackBinaryOperation(DynamicMetaObject target, DynamicMetaObject arg)
Performs the binding of the binary dynamic operation if the target dynamic object cannot bind.
Definition: BinaryOperationBinder.cs:52
System.Dynamic.DynamicMetaObject.BindBinaryOperation
virtual DynamicMetaObject BindBinaryOperation(BinaryOperationBinder binder, DynamicMetaObject arg)
Performs the binding of the dynamic binary operation.
Definition: DynamicMetaObject.cs:257
System.Dynamic.BinaryOperationBinder.Operation
ExpressionType Operation
The binary operation kind.
Definition: BinaryOperationBinder.cs:28
System.Type
Represents type declarations: class types, interface types, array types, value types,...
Definition: Type.cs:18
System.Dynamic.DynamicMetaObjectBinder
The dynamic call site binder that participates in the T:System.Dynamic.DynamicMetaObject binding prot...
Definition: DynamicMetaObjectBinder.cs:12
System.Linq.Expressions.ExpressionType
ExpressionType
Describes the node types for the nodes of an expression tree.
Definition: ExpressionType.cs:5
System.Dynamic.BinaryOperationBinder.ReturnType
sealed override Type ReturnType
The result type of the operation.
Definition: BinaryOperationBinder.cs:16
System.Dynamic.BinaryOperationBinder
Represents the binary dynamic operation at the call site, providing the binding semantic and the deta...
Definition: BinaryOperationBinder.cs:8