本文整理汇总了C#中System.Compiler.Method.GetAttributeFromSelfOrDeclaringMember方法的典型用法代码示例。如果您正苦于以下问题:C# Method.GetAttributeFromSelfOrDeclaringMember方法的具体用法?C# Method.GetAttributeFromSelfOrDeclaringMember怎么用?C# Method.GetAttributeFromSelfOrDeclaringMember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System.Compiler.Method
的用法示例。
在下文中一共展示了Method.GetAttributeFromSelfOrDeclaringMember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: VisitMethod
//.........这里部分代码省略.........
#endregion
#region Can't have both [Rep] and [Peer]
bool isRep = method.GetAttribute(SystemTypes.RepAttribute) != null;
bool isPeer = method.GetAttribute(SystemTypes.PeerAttribute) != null;
if (isRep && isPeer) {
this.HandleError(method, Error.ConflictingAttributes, this.GetTypeName(SystemTypes.RepAttribute),
this.GetTypeName(SystemTypes.PeerAttribute));
}
#endregion
#region NoReferenceComparison
attrNode = method.GetAttribute(SystemTypes.NoReferenceComparisonAttribute);
overridenAttr = null;
if (overriden != null)
overridenAttr = overriden.GetAttribute(SystemTypes.NoReferenceComparisonAttribute);
if (attrNode == null && overridenAttr != null)
this.HandleError(method, Error.NoReferenceComparisonAttrNotCopied, method.Name.ToString());
else if (attrNode != null && !(method.IsPure || method.IsConfined || method.IsStateIndependent))
this.HandleError(method, Error.NonPureMarkedNoReferenceComparison);
else if (attrNode != null) {
NoReferenceComparisonVisitor visitor = new NoReferenceComparisonVisitor(this);
this.TransferStateTo(visitor);
visitor.Visit(method.Body);
if (!visitor.HasNoReferenceComparison)
this.HandleError(method, Error.ViolatedNoReferenceComparison, method.Name.ToString());
}
#endregion
#region ResultNotNewlyAllocated
attrNode = method.GetAttribute(SystemTypes.ResultNotNewlyAllocatedAttribute);
overridenAttr = null;
if (overriden != null)
overridenAttr = overriden.GetAttribute(SystemTypes.ResultNotNewlyAllocatedAttribute);
if (attrNode == null && overridenAttr != null)
this.HandleError(method, Error.ResultNotNewlyAllocatedAttrNotCopied, method.Name.ToString());
else if (attrNode != null && !(method.IsPure || method.IsConfined || method.IsStateIndependent))
this.HandleError(method, Error.NonPureMarkedResultNotNewlyAllocated);
else if (attrNode != null && (method.ReturnType == null || method.ReturnType.IsValueType))
this.HandleError(method, Error.NonRefTypeMethodMarkedResultNotNewlyAllocated);
#endregion
#region Pure methods cannot have ref parameters
if (!method.IsPropertyGetter && (method.IsPure || method.IsConfined || method.IsStateIndependent)) {
// don't check property getters: they already will have an error if they have out or ref parameters.
for (int i = 0, n = method.Parameters == null ? 0 : method.Parameters.Count; i < n; i++) {
Parameter p = method.Parameters[i];
if (p.IsOut) continue;
Reference r = p.Type as Reference;
if (r != null) {
this.HandleError(p, Error.PureMethodCannotHaveRefParam);
}
}
}
#endregion
#region Pure methods cannot have modifies clauses
if ((method.IsPure || method.IsConfined || method.IsStateIndependent) && method.Contract != null && method.Contract.Modifies != null && 0 < method.Contract.Modifies.Count) {
this.HandleError(method, Error.PureMethodCannotHaveModifies);
}
#endregion Pure methods cannot have modifies clauses
bool b;
TypeNode returnType = method.ReturnType;
if (returnType != null)
returnType = returnType.StripOptionalModifiers(out b);
if ((method.GetAttribute(SystemTypes.RepAttribute) != null || method.GetAttribute(SystemTypes.PeerAttribute) != null) &&
!(returnType.IsReferenceType || (method.IsPropertyGetter && ((Property)method.DeclaringMember).Type.IsReferenceType)))
this.HandleError(method, Error.BadUseOfOwnedOnMethod);
else if (method.IsVirtual && !method.IsPropertyGetter && MemberIsRep(method)) // note: second conjunct mainly to get Boogie through
this.HandleError(method, Error.UseOfRepOnVirtualMethod);
#region Make sure purity attributes are used correctly
AttributeNode pureAttr = method.GetAttributeFromSelfOrDeclaringMember(SystemTypes.PureAttribute);
AttributeNode readsAttr = method.GetAttributeFromSelfOrDeclaringMember(SystemTypes.ReadsAttribute);
if (readsAttr != null) {
if (pureAttr == null) {
this.HandleError(method, Error.ReadsWithoutPure);
}
Literal l = readsAttr.GetPositionalArgument(0) as Literal;
// default ctor for Reads sets it to Owned
Microsoft.Contracts.ReadsAttribute.Reads r =
l == null ?
Microsoft.Contracts.ReadsAttribute.Reads.Owned :
(Microsoft.Contracts.ReadsAttribute.Reads)l.Value;
switch (r) {
case Microsoft.Contracts.ReadsAttribute.Reads.Everything:
if (!method.IsPure)
this.HandleError(method, Error.InconsistentPurityAttributes);
break;
case Microsoft.Contracts.ReadsAttribute.Reads.Nothing:
if (!method.IsStateIndependent)
this.HandleError(method, Error.InconsistentPurityAttributes);
break;
case Microsoft.Contracts.ReadsAttribute.Reads.Owned:
if (!method.IsConfined)
this.HandleError(method, Error.PureOwnedNotAllowed);
break;
}
}
#endregion Make sure purity attributes are used correctly
return result;
}
示例2: GetPurityAttribute
private AttributeNode GetPurityAttribute(Method method) {
if (method == null || method.Attributes == null) return null;
return method.GetAttributeFromSelfOrDeclaringMember(SystemTypes.PureAttribute);
}