本文整理汇总了C#中BinaryOperatorKind.IsUserDefined方法的典型用法代码示例。如果您正苦于以下问题：C# BinaryOperatorKind.IsUserDefined方法的具体用法？C# BinaryOperatorKind.IsUserDefined怎么用？C# BinaryOperatorKind.IsUserDefined使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BinaryOperatorKind的用法示例。
在下文中一共展示了BinaryOperatorKind.IsUserDefined方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: MakeBinaryOperator
private BoundExpression MakeBinaryOperator(
BoundBinaryOperator oldNode,
CSharpSyntaxNode syntax,
BinaryOperatorKind operatorKind,
BoundExpression loweredLeft,
BoundExpression loweredRight,
TypeSymbol type,
MethodSymbol method,
bool isPointerElementAccess = false,
bool isCompoundAssignment = false,
BoundUnaryOperator applyParentUnaryOperator = null)
{
Debug.Assert(oldNode == null || (oldNode.Syntax == syntax));
if (_inExpressionLambda)
{
switch (operatorKind.Operator() | operatorKind.OperandTypes())
{
case BinaryOperatorKind.ObjectAndStringConcatenation:
case BinaryOperatorKind.StringAndObjectConcatenation:
case BinaryOperatorKind.StringConcatenation:
return RewriteStringConcatenation(syntax, operatorKind, loweredLeft, loweredRight, type);
case BinaryOperatorKind.DelegateCombination:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__Combine);
case BinaryOperatorKind.DelegateRemoval:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__Remove);
case BinaryOperatorKind.DelegateEqual:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__op_Equality);
case BinaryOperatorKind.DelegateNotEqual:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__op_Inequality);
}
}
else
// try to lower the expression.
{
if (operatorKind.IsDynamic())
{
Debug.Assert(!isPointerElementAccess);
if (operatorKind.IsLogical())
{
return MakeDynamicLogicalBinaryOperator(syntax, operatorKind, loweredLeft, loweredRight, method, type, isCompoundAssignment, applyParentUnaryOperator);
}
else
{
Debug.Assert((object)method == null);
return _dynamicFactory.MakeDynamicBinaryOperator(operatorKind, loweredLeft, loweredRight, isCompoundAssignment, type).ToExpression();
}
}
if (operatorKind.IsLifted())
{
return RewriteLiftedBinaryOperator(syntax, operatorKind, loweredLeft, loweredRight, type, method);
}
if (operatorKind.IsUserDefined())
{
return LowerUserDefinedBinaryOperator(syntax, operatorKind, loweredLeft, loweredRight, type, method);
}
switch (operatorKind.OperatorWithLogical() | operatorKind.OperandTypes())
{
case BinaryOperatorKind.NullableNullEqual:
case BinaryOperatorKind.NullableNullNotEqual:
return RewriteNullableNullEquality(syntax, operatorKind, loweredLeft, loweredRight, type);
case BinaryOperatorKind.ObjectAndStringConcatenation:
case BinaryOperatorKind.StringAndObjectConcatenation:
case BinaryOperatorKind.StringConcatenation:
return RewriteStringConcatenation(syntax, operatorKind, loweredLeft, loweredRight, type);
case BinaryOperatorKind.StringEqual:
return RewriteStringEquality(oldNode, syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_String__op_Equality);
case BinaryOperatorKind.StringNotEqual:
return RewriteStringEquality(oldNode, syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_String__op_Inequality);
case BinaryOperatorKind.DelegateCombination:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__Combine);
case BinaryOperatorKind.DelegateRemoval:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__Remove);
case BinaryOperatorKind.DelegateEqual:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__op_Equality);
case BinaryOperatorKind.DelegateNotEqual:
return RewriteDelegateOperation(syntax, operatorKind, loweredLeft, loweredRight, type, SpecialMember.System_Delegate__op_Inequality);
case BinaryOperatorKind.LogicalBoolAnd:
if (loweredRight.ConstantValue == ConstantValue.True) return loweredLeft;
if (loweredLeft.ConstantValue == ConstantValue.True) return loweredRight;
if (loweredLeft.ConstantValue == ConstantValue.False) return loweredLeft;
if (loweredRight.Kind == BoundKind.Local || loweredRight.Kind == BoundKind.Parameter)
{
operatorKind &= ~BinaryOperatorKind.Logical;
}
goto default;
//.........这里部分代码省略.........
示例2: RewriteLiftedBinaryOperator
private BoundExpression RewriteLiftedBinaryOperator(CSharpSyntaxNode syntax, BinaryOperatorKind operatorKind, BoundExpression loweredLeft, BoundExpression loweredRight, TypeSymbol type, MethodSymbol method)
{
var conditionalLeft = loweredLeft as BoundLoweredConditionalAccess;
// NOTE: we could in theory handle side-effecting loweredRight here too
// by including it as a part of whenNull, but there is a concern
// that it can lead to code duplication
var optimize = conditionalLeft != null &&
!ReadIsSideeffecting(loweredRight) &&
(conditionalLeft.WhenNullOpt == null || conditionalLeft.WhenNullOpt.IsDefaultValue());
if (optimize)
{
loweredLeft = conditionalLeft.WhenNotNull;
}
var result = operatorKind.IsComparison() ?
operatorKind.IsUserDefined() ?
LowerLiftedUserDefinedComparisonOperator(syntax, operatorKind, loweredLeft, loweredRight, method) :
LowerLiftedBuiltInComparisonOperator(syntax, operatorKind, loweredLeft, loweredRight) :
LowerLiftedBinaryArithmeticOperator(syntax, operatorKind, loweredLeft, loweredRight, type, method);
if (optimize)
{
BoundExpression whenNullOpt = null;
// for all operators null-in means null-out
// except for the Equal/NotEqual since null == null ==> true
if (operatorKind.Operator() == BinaryOperatorKind.NotEqual ||
operatorKind.Operator() == BinaryOperatorKind.Equal)
{
whenNullOpt = RewriteLiftedBinaryOperator(syntax, operatorKind, _factory.Default(loweredLeft.Type), loweredRight, type, method);
}
result = conditionalLeft.Update(
conditionalLeft.Receiver,
conditionalLeft.HasValueMethodOpt,
whenNotNull: result,
whenNullOpt: whenNullOpt,
id: conditionalLeft.Id,
type: result.Type
);
}
return result;
}示例3: BoundUserDefinedConditionalLogicalOperator
public BoundUserDefinedConditionalLogicalOperator(
CSharpSyntaxNode syntax,
BinaryOperatorKind operatorKind,
BoundExpression left,
BoundExpression right,
MethodSymbol logicalOperator,
MethodSymbol trueOperator,
MethodSymbol falseOperator,
LookupResultKind resultKind,
ImmutableArray<MethodSymbol> originalUserDefinedOperatorsOpt,
TypeSymbol type,
bool hasErrors = false)
: this(
syntax,
operatorKind,
left,
right,
logicalOperator,
trueOperator,
falseOperator,
resultKind,
type,
hasErrors)
{
Debug.Assert(operatorKind.IsUserDefined() && operatorKind.IsLogical());
this.OriginalUserDefinedOperatorsOpt = originalUserDefinedOperatorsOpt;
}