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Support references to unmanaged function pointers in Reflection.Emit #121128

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Merged
merged 13 commits into from
Nov 4, 2025
Merged

Support references to unmanaged function pointers in Reflection.Emit #121128

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03fe0a7
Build correct signatures for member references to unmanaged function …
jgh07 Oct 27, 2025
3083bc1
Remove empty lines
jgh07 Oct 27, 2025
77497a1
Strip modifiers off types in WriteSimpleSignature
jgh07 Oct 28, 2025
9d0f7fd
Reverse order of modifiers on function pointers
jgh07 Oct 28, 2025
d87f8e4
Reverse order in WriteCustomModifiers
jgh07 Oct 28, 2025
637d5b7
Use modified types unconditionally
jgh07 Oct 28, 2025
38e2d85
Remove unnecessary using
jgh07 Oct 28, 2025
c49060b
Do not call GetModifiedFieldType on SRE internals
jgh07 Oct 29, 2025
ef7f3ce
Clean up usings
jgh07 Oct 29, 2025
f198f8a
Implement GetModifiedFieldType/GetModifiedParameterType for Reflectio…
jgh07 Oct 30, 2025
483b6cc
Address review comments
jgh07 Nov 1, 2025
82a6f41
Move GetParameterTypes to MetadataSignatureHelper
jgh07 Nov 2, 2025
c7a3c0c
Disable ConsumeFunctionPointerMembers test on Mono
jgh07 Nov 2, 2025
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12 changes: 12 additions & 0 deletions src/libraries/System.Reflection.Emit/src/System/Reflection/Emit/SignatureHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -271,10 +271,16 @@ private static void WriteSignatureForFunctionPointerType(SignatureTypeEncoder si
CustomModifiersEncoder retModifiersEncoder = retTypeEncoder.CustomModifiers();

if (returnType.GetOptionalCustomModifiers() is Type[] retModOpts)
{
Array.Reverse(retModOpts);
WriteCustomModifiers(retModifiersEncoder, retModOpts, isOptional: true, module);
}

if (returnType.GetRequiredCustomModifiers() is Type[] retModReqs)
{
Array.Reverse(retModReqs);
WriteCustomModifiers(retModifiersEncoder, retModReqs, isOptional: false, module);
}

WriteSignatureForType(retTypeEncoder.Type(), returnType, module);

Expand All @@ -284,10 +290,16 @@ private static void WriteSignatureForFunctionPointerType(SignatureTypeEncoder si
CustomModifiersEncoder paramModifiersEncoder = paramEncoder.CustomModifiers();

if (paramType.GetOptionalCustomModifiers() is Type[] paramModOpts)
{
Array.Reverse(paramModOpts);
WriteCustomModifiers(paramModifiersEncoder, paramModOpts, isOptional: true, module);
}

if (paramType.GetRequiredCustomModifiers() is Type[] paramModReqs)
{
Array.Reverse(paramModReqs);
WriteCustomModifiers(paramModifiersEncoder, paramModReqs, isOptional: false, module);
}

WriteSignatureForType(paramEncoder.Type(), paramType, module);
}
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