diff options
Diffstat (limited to 'src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/TypeAnalysis.cs')
-rw-r--r-- | src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/TypeAnalysis.cs | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/TypeAnalysis.cs b/src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/TypeAnalysis.cs new file mode 100644 index 0000000000..42cdde5f6a --- /dev/null +++ b/src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/TypeAnalysis.cs @@ -0,0 +1,103 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +using System; +using System.Collections.Generic; +using System.Reflection; + + +#if ES_BUILD_STANDALONE +namespace Microsoft.Diagnostics.Tracing +#else +namespace System.Diagnostics.Tracing +#endif +{ + /// <summary> + /// TraceLogging: stores the per-type information obtained by reflecting over a type. + /// </summary> + internal sealed class TypeAnalysis + { + internal readonly PropertyAnalysis[] properties; + internal readonly string name; + internal readonly EventKeywords keywords; + internal readonly EventLevel level = (EventLevel)(-1); + internal readonly EventOpcode opcode = (EventOpcode)(-1); + internal readonly EventTags tags; + + public TypeAnalysis( + Type dataType, + EventDataAttribute eventAttrib, + List<Type> recursionCheck) + { + var propertyInfos = Statics.GetProperties(dataType); + var propertyList = new List<PropertyAnalysis>(); + + foreach (var propertyInfo in propertyInfos) + { + if (Statics.HasCustomAttribute(propertyInfo, typeof(EventIgnoreAttribute))) + { + continue; + } + + if (!propertyInfo.CanRead || + propertyInfo.GetIndexParameters().Length != 0) + { + continue; + } + + MethodInfo getterInfo = Statics.GetGetMethod(propertyInfo); + if (getterInfo == null) + { + continue; + } + + if (getterInfo.IsStatic || !getterInfo.IsPublic) + { + continue; + } + + var propertyType = propertyInfo.PropertyType; + var propertyTypeInfo = TraceLoggingTypeInfo.GetInstance(propertyType, recursionCheck); + var fieldAttribute = Statics.GetCustomAttribute<EventFieldAttribute>(propertyInfo); + + string propertyName = + fieldAttribute != null && fieldAttribute.Name != null + ? fieldAttribute.Name + : Statics.ShouldOverrideFieldName(propertyInfo.Name) + ? propertyTypeInfo.Name + : propertyInfo.Name; + propertyList.Add(new PropertyAnalysis( + propertyName, + propertyInfo, + propertyTypeInfo, + fieldAttribute)); + } + + this.properties = propertyList.ToArray(); + + foreach (var property in this.properties) + { + var typeInfo = property.typeInfo; + this.level = (EventLevel)Statics.Combine((int)typeInfo.Level, (int)this.level); + this.opcode = (EventOpcode)Statics.Combine((int)typeInfo.Opcode, (int)this.opcode); + this.keywords |= typeInfo.Keywords; + this.tags |= typeInfo.Tags; + } + + if (eventAttrib != null) + { + this.level = (EventLevel)Statics.Combine((int)eventAttrib.Level, (int)this.level); + this.opcode = (EventOpcode)Statics.Combine((int)eventAttrib.Opcode, (int)this.opcode); + this.keywords |= eventAttrib.Keywords; + this.tags |= eventAttrib.Tags; + this.name = eventAttrib.Name; + } + + if (this.name == null) + { + this.name = dataType.Name; + } + } + } +} |