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Update to .NET Core 1.1 and latest Roslyn packages
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162 changes: 162 additions & 0 deletions
162
src/OmniSharp.Abstractions/Extensions/ReflectionExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| using System; | ||
| using System.Reflection; | ||
|
|
||
| namespace OmniSharp.Services | ||
| { | ||
| public static class ReflectionExtensions | ||
| { | ||
| public static Lazy<Type> LazyGetType(this Lazy<Assembly> lazyAssembly, string typeName) | ||
| { | ||
| if (lazyAssembly == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyAssembly)); | ||
| } | ||
|
|
||
| return new Lazy<Type>(() => | ||
| { | ||
| var type = lazyAssembly.Value.GetType(typeName); | ||
| if (type == null) | ||
| { | ||
| throw new InvalidOperationException($"Could not get type '{typeName}'"); | ||
| } | ||
| return type; | ||
| }); | ||
| } | ||
|
|
||
| public static Lazy<MethodInfo> LazyGetMethod(this Lazy<Type> lazyType, string methodName) | ||
| { | ||
| if (lazyType == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyType)); | ||
| } | ||
|
|
||
| return new Lazy<MethodInfo>(() => | ||
| { | ||
| var methodInfo = lazyType.Value.GetMethod(methodName); | ||
| if (methodInfo == null) | ||
| { | ||
| throw new InvalidOperationException($"Could not get type '{methodName}'"); | ||
| } | ||
| return methodInfo; | ||
| }); | ||
| } | ||
|
|
||
| public static Lazy<MethodInfo> LazyGetMethod(this Lazy<Type> lazyType, string methodName, BindingFlags bindingFlags) | ||
| { | ||
| if (lazyType == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyType)); | ||
| } | ||
|
|
||
| return new Lazy<MethodInfo>(() => | ||
| { | ||
| var methodInfo = lazyType.Value.GetMethod(methodName, bindingFlags); | ||
| if (methodInfo == null) | ||
| { | ||
| throw new InvalidOperationException($"Could not get type '{methodName}'"); | ||
| } | ||
| return methodInfo; | ||
| }); | ||
| } | ||
|
|
||
| public static MethodInfo GetMethod(this Lazy<Type> lazyType, string methodName) | ||
| { | ||
| if (lazyType == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyType)); | ||
| } | ||
|
|
||
| var methodInfo = lazyType.Value.GetMethod(methodName); | ||
|
|
||
| if (methodInfo == null) | ||
| { | ||
| throw new InvalidOperationException($"Could not get type '{methodName}'"); | ||
| } | ||
|
|
||
| return methodInfo; | ||
| } | ||
|
|
||
| public static MethodInfo GetMethod(this Lazy<Type> lazyType, string methodName, BindingFlags bindingFlags) | ||
| { | ||
| if (lazyType == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyType)); | ||
| } | ||
|
|
||
| var methodInfo = lazyType.Value.GetMethod(methodName, bindingFlags); | ||
|
|
||
| if (methodInfo == null) | ||
| { | ||
| throw new InvalidOperationException($"Could not get type '{methodName}'"); | ||
| } | ||
|
|
||
| return methodInfo; | ||
| } | ||
|
|
||
| public static object CreateInstance(this Lazy<Type> lazyType, params object[] args) | ||
| { | ||
| if (lazyType == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyType)); | ||
| } | ||
|
|
||
| return Activator.CreateInstance(lazyType.Value, args); | ||
| } | ||
|
|
||
| public static T Invoke<T>(this MethodInfo methodInfo, object obj, object[] args) | ||
| { | ||
| if (methodInfo == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(methodInfo)); | ||
| } | ||
|
|
||
| return (T)methodInfo.Invoke(obj, args); | ||
| } | ||
|
|
||
| public static T Invoke<T>(this Lazy<MethodInfo> lazyMethodInfo, object obj, object[] args) | ||
| { | ||
| if (lazyMethodInfo == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyMethodInfo)); | ||
| } | ||
|
|
||
| return (T)lazyMethodInfo.Value.Invoke(obj, args); | ||
| } | ||
|
|
||
| public static T InvokeStatic<T>(this MethodInfo methodInfo, object[] args) | ||
| { | ||
| if (methodInfo == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(methodInfo)); | ||
| } | ||
|
|
||
| return (T)methodInfo.Invoke(null, args); | ||
| } | ||
|
|
||
| public static T InvokeStatic<T>(this Lazy<MethodInfo> lazyMethodInfo, object[] args) | ||
| { | ||
| if (lazyMethodInfo == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(lazyMethodInfo)); | ||
| } | ||
|
|
||
| return lazyMethodInfo.Value.InvokeStatic<T>(args); | ||
| } | ||
|
|
||
| public static object InvokeStatic(this MethodInfo methodInfo, object[] args) | ||
| { | ||
| return methodInfo.Invoke(null, args); | ||
| } | ||
|
|
||
| public static object InvokeStatic(this Lazy<MethodInfo> lazyMethodInfo, object[] args) | ||
| { | ||
| return lazyMethodInfo.InvokeStatic(args); | ||
| } | ||
| } | ||
| } |
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