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Reflection support for methods and types

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This commit is contained in:
Brian Fiete 2020-05-28 07:36:34 -07:00
parent f1eafa8d81
commit be6a132fb5
4 changed files with 61 additions and 19 deletions
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13
BeefLibs/corlib/src/Reflection/FieldInfo.bf
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@ -143,18 +143,7 @@ namespace System.Reflection
public Result<T> GetCustomAttribute<T>() where T : Attribute
{
if (mFieldData.mCustomAttributesIdx == -1)
return .Err;
void* data = mTypeInstance.[Friend]mCustomAttrDataPtr[mFieldData.mCustomAttributesIdx];
T attrInst = ?;
switch (AttributeInfo.GetCustomAttribute(data, typeof(T), &attrInst))
{
case .Ok: return .Ok(attrInst);
default:
return .Err;
}
return mTypeInstance.[Friend]GetCustomAttribute<T>(mFieldData.mCustomAttributesIdx);
}
void* GetDataPtrAndType(Object value, out Type type)

11
BeefLibs/corlib/src/Reflection/MethodInfo.bf
View file

@ -54,6 +54,12 @@ namespace System.Reflection
}
}
public this(TypeInstance typeInstance, TypeInstance.MethodData* methodData)
{
mTypeInstance = typeInstance;
mMethodData = methodData;
}
public Type GetParamType(int paramIdx)
{
Debug.Assert((uint)paramIdx < (uint)mMethodData.mParamCount);
@ -66,10 +72,9 @@ namespace System.Reflection
return mMethodData.mParamData[paramIdx].mName;
}
public this(TypeInstance typeInstance, TypeInstance.MethodData* methodData)
public Result<T> GetCustomAttribute<T>() where T : Attribute
{
mTypeInstance = typeInstance;
mMethodData = methodData;
return mTypeInstance.[Friend]GetCustomAttribute<T>(mMethodData.mCustomAttributesIdx);
}
public enum CallError

23
BeefLibs/corlib/src/Type.bf
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@ -470,6 +470,13 @@ namespace System
return FieldInfo.Enumerator(null, bindingFlags);
}
public Result<T> GetCustomAttribute<T>() where T : Attribute
{
if (var typeInstance = this as TypeInstance)
return typeInstance.[Friend]GetCustomAttribute<T>(typeInstance.[Friend]mCustomAttributesIdx);
return .Err;
}
public struct Enumerator : IEnumerator<Type>
{
int32 mCurId;
@ -731,6 +738,22 @@ namespace System.Reflection
{
return FieldInfo.Enumerator(this, bindingFlags);
}
Result<T> GetCustomAttribute<T>(int customAttributeIdx) where T : Attribute
{
if (customAttributeIdx == -1)
return .Err;
void* data = mCustomAttrDataPtr[customAttributeIdx];
T attrInst = ?;
switch (AttributeInfo.GetCustomAttribute(data, typeof(T), &attrInst))
{
case .Ok: return .Ok(attrInst);
default:
return .Err;
}
}
}
[CRepr, AlwaysInclude(AssumeInstantiated=true)]