本文整理汇总了C#中TypeSymbol.TryGetElementTypesIfTupleOrCompatible方法的典型用法代码示例。如果您正苦于以下问题：C# TypeSymbol.TryGetElementTypesIfTupleOrCompatible方法的具体用法？C# TypeSymbol.TryGetElementTypesIfTupleOrCompatible怎么用？C# TypeSymbol.TryGetElementTypesIfTupleOrCompatible使用的例子？那么恭喜您, 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TypeSymbol的用法示例。
在下文中一共展示了TypeSymbol.TryGetElementTypesIfTupleOrCompatible方法的2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: GenerateImplicitConversionError
protected void GenerateImplicitConversionError(
DiagnosticBag diagnostics,
CSharpSyntaxNode syntax,
Conversion conversion,
BoundExpression operand,
TypeSymbol targetType)
{
Debug.Assert(operand != null);
Debug.Assert((object)targetType != null);
if (targetType.TypeKind == TypeKind.Error)
{
return;
}
if (operand.Kind == BoundKind.BadExpression)
{
return;
}
if (operand.Kind == BoundKind.UnboundLambda)
{
GenerateAnonymousFunctionConversionError(diagnostics, syntax, (UnboundLambda)operand, targetType);
return;
}
if (operand.Kind == BoundKind.TupleLiteral)
{
var tuple = (BoundTupleLiteral)operand;
var targetElementTypes = default(ImmutableArray<TypeSymbol>);
// If target is a tuple or compatible type with the same number of elements,
// report errors for tuple arguments that failed to convert, which would be more useful.
if (targetType.TryGetElementTypesIfTupleOrCompatible(out targetElementTypes) &&
targetElementTypes.Length == tuple.Arguments.Length)
{
GenerateImplicitConversionErrorsForTupleLiteralArguments(diagnostics, tuple.Arguments, targetElementTypes);
return;
}
// target is not compatible with source and source does not have a type
if ((object)tuple.Type == null)
{
Error(diagnostics, ErrorCode.ERR_ConversionNotTupleCompatible, syntax, tuple.Arguments.Length, targetType);
return;
}
// Otherwise it is just a regular conversion failure from T1 to T2.
}
var sourceType = operand.Type;
if ((object)sourceType != null)
{
GenerateImplicitConversionError(diagnostics, this.Compilation, syntax, conversion, sourceType, targetType, operand.ConstantValue);
return;
}
if (operand.IsLiteralNull())
{
if (targetType.TypeKind == TypeKind.TypeParameter)
{
Error(diagnostics, ErrorCode.ERR_TypeVarCantBeNull, syntax, targetType);
return;
}
if (targetType.IsValueType)
{
Error(diagnostics, ErrorCode.ERR_ValueCantBeNull, syntax, targetType);
return;
}
}
if (operand.Kind == BoundKind.MethodGroup)
{
var methodGroup = (BoundMethodGroup)operand;
if (!Conversions.ReportDelegateMethodGroupDiagnostics(this, methodGroup, targetType, diagnostics))
{
var nodeForSquiggle = syntax;
while (nodeForSquiggle.Kind() == SyntaxKind.ParenthesizedExpression)
{
nodeForSquiggle = ((ParenthesizedExpressionSyntax)nodeForSquiggle).Expression;
}
if (nodeForSquiggle.Kind() == SyntaxKind.SimpleMemberAccessExpression || nodeForSquiggle.Kind() == SyntaxKind.PointerMemberAccessExpression)
{
nodeForSquiggle = ((MemberAccessExpressionSyntax)nodeForSquiggle).Name;
}
var location = nodeForSquiggle.Location;
if (ReportDelegateInvokeUseSiteDiagnostic(diagnostics, targetType, location))
{
return;
}
Error(diagnostics,
targetType.IsDelegateType() ? ErrorCode.ERR_MethDelegateMismatch : ErrorCode.ERR_MethGrpToNonDel,
location, methodGroup.Name, targetType);
}
return;
//.........这里部分代码省略.........
示例2: LowerBoundTupleInference
private bool LowerBoundTupleInference(TypeSymbol source, TypeSymbol target, ref HashSet<DiagnosticInfo> useSiteDiagnostics)
{
Debug.Assert((object)source != null);
Debug.Assert((object)target != null);
// NOTE: we are losing tuple element names when unwrapping tuple types to underlying types.
// that is ok, because we are inferring type parameters used in the matching elements,
// This is not the situation where entire tuple type used to infer a single type param
ImmutableArray<TypeSymbol> sourceTypes;
ImmutableArray<TypeSymbol> targetTypes;
if (!source.TryGetElementTypesIfTupleOrCompatible(out sourceTypes) ||
!target.TryGetElementTypesIfTupleOrCompatible(out targetTypes) ||
sourceTypes.Length != targetTypes.Length)
{
return false;
}
for (int i = 0; i < sourceTypes.Length; i++)
{
LowerBoundInference(sourceTypes[i], targetTypes[i], ref useSiteDiagnostics);
}
return true;
}