[Mono-ue] MonoEditor Linker error

Sat Nov 1 19:29:44 UTC 2014

Where can I adjust the size of FName? If I can.

-----Original Message-----
From: "Michael Hutchinson" <m.j.hutchinson at gmail.com>
Sent: ‎11/‎1/‎2014 12:27 PM
To: "Eugene Tchoukhrov" <ujen at vicogamestudio.com>
Cc: "Eugene Tchoukhrov" <vicogamestudio at live.com>; "mono-ue at lists.ximian.com" <mono-ue at lists.ximian.com>
Subject: RE: [Mono-ue] MonoEditor Linker error

Yes, the patchset is intended for 4.4, we haven't ported it to 4.5.
AFAIK the size/layout of FName was changed between 4.4 and 4.5 which is probably why that smoke test is failing.
On Nov 1, 2014 1:20 PM, "Eugene Tchoukhrov" <ujen at vicogamestudio.com> wrote:

Ok, well I fixed the Enum Prefix bug with this as line 1629 in MonoScriptCodeGenerator:
if (Enum->GetCppForm() == UEnum::ECppForm::Regular)

Everything is now building correctly but while the editor is loading there is an Access Violation exception on line 424 of MonoUnrealObject.cpp, here is the output:
[2014.11.01-17.14.54:578][  0]LogMono: Found assembly mscorlib.dll at path '../../../Engine/Binaries/ThirdParty/EMono/framework/Xamarin.Unreal/v1.0/mscorlib.dll'.
[2014.11.01-17.14.54:580][  0]LogMono: Loaded assembly from path '../../../Engine/Binaries/ThirdParty/EMono/framework/Xamarin.Unreal/v1.0/mscorlib.dll'.
[2014.11.01-17.14.54:697][  0]LogMono: Running TestStructDefaultParams...
[2014.11.01-17.14.54:714][  0]LogMono: Running TestArray...
[2014.11.01-17.14.54:747][  0]LogMono: Running TestWriteableArray...
[2014.11.01-17.14.54:782][  0]LogMono: Running TestObjectArrayProperty...
[2014.11.01-17.14.54:800][  0]LogMono: Running TestWeakObjectProperties...
[2014.11.01-17.14.54:814][  0]LogMono: Running TestObjectProperties...
[2014.11.01-17.14.54:816][  0]LogMono: Running TestSimpleTypeProperties...
[2014.11.01-17.14.54:854][  0]LogMono: Running TestStringProperties...
[2014.11.01-17.14.54:859][  0]LogMono: Running TestNameProperties...
First-chance exception at 0x00007FFC9DFA13F6 (UE4Editor-MonoRuntime.dll) in UE4Editor.exe: 0xC0000005: Access violation reading location 0xFFFFFFFFFFFFFFFF.
Unhandled exception at 0x00007FFC9DFA13F6 (UE4Editor-MonoRuntime.dll) in UE4Editor.exe: 0xC0000005: Access violation reading location 0xFFFFFFFFFFFFFFFF.

From: mono-ue-bounces at lists.ximian.com [mailto:mono-ue-bounces at lists.ximian.com] On Behalf Of Michael Hutchinson
Sent: Saturday, November 1, 2014 7:00 AM
To: Eugene Tchoukhrov
Cc: mono-ue at lists.ximian.com
Subject: Re: [Mono-ue] MonoEditor Linker error

Did you apply the engine patch set?
On Nov 1, 2014 9:47 AM, "Eugene Tchoukhrov" <vicogamestudio at live.com> wrote:
I’m getting these linker errors:
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class FString __cdecl GameProjectUtils::FNewClassInfo::GetClassNameW(void)const " (__imp_?GetClassNameW at FNewClassInfo@GameProjectUtils@@QEBA?AVFString@@XZ) referenced in function "private: static bool __cdecl MonoEditorUtils::GenerateClassFile(class FString const &,class FString,struct GameProjectUtils::FNewClassInfo,class TArray<class FString,class FDefaultAllocator> const &,class FString const &,struct GameProjectUtils::FModuleContextInfo const &,class FText &)" (?GenerateClassFile at MonoEditorUtils@@CA_NAEBVFString@@V2 at UFNewClassInfo@GameProjectUtils@@AEBV?$TArray at VFString@@VFDefaultAllocator@@@@0AEBUFModuleContextInfo at 4@AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class FString __cdecl GameProjectUtils::FNewClassInfo::GetCleanClassName(class FString const &)const " (__imp_?GetCleanClassName at FNewClassInfo@GameProjectUtils@@QEBA?AVFString@@AEBV3@@Z) referenced in function "public: static bool __cdecl MonoEditorUtils::AddCodeToProject(struct GameProjectUtils::FModuleContextInfo const &,class FString const &,class FString const &,struct GameProjectUtils::FNewClassInfo,class FString &,class FText &)" (?AddCodeToProject at MonoEditorUtils@@SA_NAEBUFModuleContextInfo at GameProjectUtils@@AEBVFString@@1UFNewClassInfo at 3@AEAV4 at AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class FString __cdecl GameProjectUtils::FNewClassInfo::GetFinalClassName(class FString const &)const " (__imp_?GetFinalClassName at FNewClassInfo@GameProjectUtils@@QEBA?AVFString@@AEBV3@@Z) referenced in function "public: static bool __cdecl MonoEditorUtils::AddCodeToProject(struct GameProjectUtils::FModuleContextInfo const &,class FString const &,class FString const &,struct GameProjectUtils::FNewClassInfo,class FString &,class FText &)" (?AddCodeToProject at MonoEditorUtils@@SA_NAEBUFModuleContextInfo at GameProjectUtils@@AEBVFString@@1UFNewClassInfo at 3@AEAV4 at AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class FString __cdecl GameProjectUtils::FNewClassInfo::GetHeaderTemplateFilename(void)const " (__imp_?GetHeaderTemplateFilename at FNewClassInfo@GameProjectUtils@@QEBA?AVFString@@XZ) referenced in function "private: static bool __cdecl MonoEditorUtils::GenerateClassFile(class FString const &,class FString,struct GameProjectUtils::FNewClassInfo,class TArray<class FString,class FDefaultAllocator> const &,class FString const &,struct GameProjectUtils::FModuleContextInfo const &,class FText &)" (?GenerateClassFile at MonoEditorUtils@@CA_NAEBVFString@@V2 at UFNewClassInfo@GameProjectUtils@@AEBV?$TArray at VFString@@VFDefaultAllocator@@@@0AEBUFModuleContextInfo at 4@AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static bool __cdecl GameProjectUtils::IsValidClassNameForCreation(class FString const &,struct GameProjectUtils::FModuleContextInfo const &,class FText &)" (__imp_?IsValidClassNameForCreation at GameProjectUtils@@SA_NAEBVFString@@AEBUFModuleContextInfo at 1@AEAVFText@@@Z) referenced in function "public: static bool __cdecl MonoEditorUtils::AddCodeToProject(struct GameProjectUtils::FModuleContextInfo const &,class FString const &,class FString const &,struct GameProjectUtils::FNewClassInfo,class FString &,class FText &)" (?AddCodeToProject at MonoEditorUtils@@SA_NAEBUFModuleContextInfo at GameProjectUtils@@AEBVFString@@1UFNewClassInfo at 3@AEAV4 at AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static class FString __cdecl GameProjectUtils::MakeCopyrightLine(void)" (__imp_?MakeCopyrightLine at GameProjectUtils@@SA?AVFString@@XZ) referenced in function "private: static bool __cdecl MonoEditorUtils::GenerateClassFile(class FString const &,class FString,struct GameProjectUtils::FNewClassInfo,class TArray<class FString,class FDefaultAllocator> const &,class FString const &,struct GameProjectUtils::FModuleContextInfo const &,class FText &)" (?GenerateClassFile at MonoEditorUtils@@CA_NAEBVFString@@V2 at UFNewClassInfo@GameProjectUtils@@AEBV?$TArray at VFString@@VFDefaultAllocator@@@@0AEBUFModuleContextInfo at 4@AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static void __cdecl GameProjectUtils::DeleteCreatedFiles(class FString const &,class TArray<class FString,class FDefaultAllocator> const &)" (__imp_?DeleteCreatedFiles at GameProjectUtils@@SAXAEBVFString@@AEBV?$TArray at VFString@@VFDefaultAllocator@@@@@Z) referenced in function "public: static bool __cdecl MonoEditorUtils::AddCodeToProject(struct GameProjectUtils::FModuleContextInfo const &,class FString const &,class FString const &,struct GameProjectUtils::FNewClassInfo,class FString &,class FText &)" (?AddCodeToProject at MonoEditorUtils@@SA_NAEBUFModuleContextInfo at GameProjectUtils@@AEBVFString@@1UFNewClassInfo at 3@AEAV4 at AEAVFText@@@Z)
1>Module.MonoEditor.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static bool __cdecl GameProjectUtils::WriteOutputFile(class FString const &,class FString const &,class FText &)" (__imp_?WriteOutputFile at GameProjectUtils@@SA_NAEBVFString@@0AEAVFText@@@Z) referenced in function "private: static bool __cdecl MonoEditorUtils::GenerateClassFile(class FString const &,class FString,struct GameProjectUtils::FNewClassInfo,class TArray<class FString,class FDefaultAllocator> const &,class FString const &,struct GameProjectUtils::FModuleContextInfo const &,class FText &)" (?GenerateClassFile at MonoEditorUtils@@CA_NAEBVFString@@V2 at UFNewClassInfo@GameProjectUtils@@AEBV?$TArray at VFString@@VFDefaultAllocator@@@@0AEBUFModuleContextInfo at 4@AEAVFText@@@Z)
1>G:\UE4-WorkingCopy\Engine\Plugins\XamarinUE4\MonoRuntime\Binaries\Win64\UE4Editor-MonoEditor.dll : fatal error LNK1120: 8 unresolved externals

I have included the GameProjectGeneration module in MonoEditor.Build.cs.

Any idea what’s going on?

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