feat: add Type.GetMethod(name, genericParameterCount, bindingAttr, types) overload (#94889)

Author: I-SER-I

src/coreclr/nativeaot/System.Private.CoreLib/src/System/Reflection/Runtime/General/ReflectionCoreCallbacksImplementation.cs

@@ -324,7 +324,7 @@ private static RuntimeMethodInfo LookupMethodForCreateDelegate(RuntimeTypeInfo r
             Type? type = containingType.ToType();
             while (type != null)
             {
-                MethodInfo? methodInfo = type.GetMethod(method, 0, bindingFlags, null, parameterTypes, null);
+                MethodInfo? methodInfo = type.GetMethod(method, 0, bindingFlags, parameterTypes);
                 if (methodInfo != null && methodInfo.ReturnType.Equals(invokeMethod.ReturnType))
                     return (RuntimeMethodInfo)methodInfo; // This cast is safe since we already verified that containingType is runtime implemented.
 

src/coreclr/nativeaot/System.Private.CoreLib/src/System/Reflection/Runtime/MethodInfos/CustomMethodMapper.cs

@@ -59,7 +59,7 @@ private static void AddMethod(this Dictionary<MethodBase, CustomMethodInvokerAct
             }
             else
             {
-                methodBase = declaringType.GetMethod(name, 0, bf, null, parameterTypes, null);
+                methodBase = declaringType.GetMethod(name, 0, bf, parameterTypes);
             }
 
             if (methodBase == null)

src/libraries/System.Private.CoreLib/src/System/Type.cs

@@ -342,6 +342,9 @@ private protected static ArgumentException CreateGetMemberWithSameMetadataDefini
         [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods)]
         public MethodInfo? GetMethod(string name, int genericParameterCount, Type[] types, ParameterModifier[]? modifiers) => GetMethod(name, genericParameterCount, DefaultLookup, null, types, modifiers);
 
+        [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods)]
+        public MethodInfo? GetMethod(string name, int genericParameterCount, BindingFlags bindingAttr, Type[] types) => GetMethod(name, genericParameterCount, bindingAttr, null, types, null);
+
         [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods)]
         public MethodInfo? GetMethod(string name, int genericParameterCount, BindingFlags bindingAttr, Binder? binder, Type[] types, ParameterModifier[]? modifiers) => GetMethod(name, genericParameterCount, bindingAttr, binder, CallingConventions.Any, types, modifiers);
 

src/libraries/System.Runtime/ref/System.Runtime.cs

@@ -6168,6 +6168,8 @@ protected Type() { }
         public System.Reflection.MethodInfo? GetMethod(string name, int genericParameterCount, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder? binder, System.Reflection.CallingConventions callConvention, System.Type[] types, System.Reflection.ParameterModifier[]? modifiers) { throw null; }
         [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.NonPublicMethods | System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
         public System.Reflection.MethodInfo? GetMethod(string name, int genericParameterCount, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder? binder, System.Type[] types, System.Reflection.ParameterModifier[]? modifiers) { throw null; }
+        [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.NonPublicMethods | System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
+        public System.Reflection.MethodInfo? GetMethod(string name, int genericParameterCount, System.Reflection.BindingFlags bindingAttr, System.Type[] types) { throw null; }
         [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]
         public System.Reflection.MethodInfo? GetMethod(string name, int genericParameterCount, System.Type[] types) { throw null; }
         [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicMethods)]

src/libraries/System.Runtime/tests/System.Runtime.Tests/System/Reflection/SignatureTypes.cs

@@ -64,7 +64,7 @@ public static void GetMethodWithGenericParameterCount()
 
             for (int genericParameterCount = 0; genericParameterCount < 4; genericParameterCount++)
             {
-                m = t.GetMethod("Moo", genericParameterCount, bf, null, args, null);
+                m = t.GetMethod("Moo", genericParameterCount, bf, args);
                 Assert.NotNull(m);
                 AssertIsMarked(m, genericParameterCount);
 
@@ -74,7 +74,7 @@ public static void GetMethodWithGenericParameterCount()
                 AssertIsMarked(m, genericParameterCount);
             }
 
-            m = t.GetMethod("Moo", 4, bf, null, args, null);
+            m = t.GetMethod("Moo", 4, bf, args);
             Assert.Null(m);
         }
 
@@ -110,7 +110,7 @@ public static void GetMethodWithNegativeGenericParameterCount()
             Type t = typeof(TestClass1);
             const BindingFlags bf = BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly;
             Type[] args = { typeof(int) };
-            AssertExtensions.Throws<ArgumentOutOfRangeException>("genericParameterCount", () => t.GetMethod("Moo", -1, bf, null, args, null));
+            AssertExtensions.Throws<ArgumentOutOfRangeException>("genericParameterCount", () => t.GetMethod("Moo", -1, bf, args));
         }
 
         [Theory]