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|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// File: mlinfo.h
//
//
#include "stubgen.h"
#include "custommarshalerinfo.h"
#ifdef FEATURE_COMINTEROP
#include <windows.ui.xaml.h>
#endif
#ifndef _MLINFO_H_
#define _MLINFO_H_
#define NATIVE_TYPE_DEFAULT NATIVE_TYPE_MAX
#define VARIABLESIZE ((BYTE)(-1))
#ifdef FEATURE_COMINTEROP
class DispParamMarshaler;
#endif // FEATURE_COMINTEROP
#ifdef FEATURE_COMINTEROP
enum DispatchWrapperType
{
DispatchWrapperType_Unknown = 0x00000001,
DispatchWrapperType_Dispatch = 0x00000002,
//DispatchWrapperType_Record = 0x00000004,
DispatchWrapperType_Error = 0x00000008,
DispatchWrapperType_Currency = 0x00000010,
DispatchWrapperType_BStr = 0x00000020,
DispatchWrapperType_SafeArray = 0x00010000
};
#endif // FEATURE_COMINTEROP
typedef enum
{
HANDLEASNORMAL = 0,
OVERRIDDEN = 1,
DISALLOWED = 2,
} MarshalerOverrideStatus;
enum MarshalFlags
{
MARSHAL_FLAG_CLR_TO_NATIVE = 0x01,
MARSHAL_FLAG_IN = 0x02,
MARSHAL_FLAG_OUT = 0x04,
MARSHAL_FLAG_BYREF = 0x08,
MARSHAL_FLAG_HRESULT_SWAP = 0x10,
MARSHAL_FLAG_RETVAL = 0x20,
MARSHAL_FLAG_HIDDENLENPARAM = 0x40,
};
#include <pshpack1.h>
// Captures arguments for C array marshaling.
struct CREATE_MARSHALER_CARRAY_OPERANDS
{
MethodTable* methodTable;
UINT32 multiplier;
UINT32 additive;
VARTYPE elementType;
UINT16 countParamIdx;
BYTE bestfitmapping;
BYTE throwonunmappablechar;
};
#include <poppack.h>
struct OverrideProcArgs
{
class MarshalInfo* m_pMarshalInfo;
union
{
MethodTable* m_pMT;
struct
{
VARTYPE m_vt;
#ifdef FEATURE_COMINTEROP
SIZE_T m_cbElementSize;
WinMDAdapter::RedirectedTypeIndex m_redirectedTypeIndex;
#endif // FEATURE_COMINTEROP
} na;
struct
{
MethodTable* m_pMT;
MethodDesc* m_pCopyCtor;
MethodDesc* m_pDtor;
} mm;
struct
{
MethodDesc* m_pMD;
mdToken m_paramToken;
void* m_hndManagedType; // TypeHandle cannot be a union member
} rcm; // MARSHAL_TYPE_REFERENCECUSTOMMARSHALER
};
};
typedef MarshalerOverrideStatus (*OVERRIDEPROC)(NDirectStubLinker* psl,
BOOL byref,
BOOL fin,
BOOL fout,
BOOL fManagedToNative,
OverrideProcArgs* pargs,
UINT* pResID,
UINT argidx,
UINT nativeStackOffset);
typedef MarshalerOverrideStatus (*RETURNOVERRIDEPROC)(NDirectStubLinker* psl,
BOOL fManagedToNative,
BOOL fHresultSwap,
OverrideProcArgs* pargs,
UINT* pResID);
//==========================================================================
// This structure contains the native type information for a given
// parameter.
//==========================================================================
struct NativeTypeParamInfo
{
NativeTypeParamInfo()
: m_NativeType(NATIVE_TYPE_DEFAULT)
, m_ArrayElementType(NATIVE_TYPE_DEFAULT)
, m_SizeIsSpecified(FALSE)
, m_CountParamIdx(0)
, m_Multiplier(0)
, m_Additive(1)
, m_strCMMarshalerTypeName(NULL)
, m_cCMMarshalerTypeNameBytes(0)
, m_strCMCookie(NULL)
, m_cCMCookieStrBytes(0)
#ifdef FEATURE_COMINTEROP
, m_SafeArrayElementVT(VT_EMPTY)
, m_strSafeArrayUserDefTypeName(NULL)
, m_cSafeArrayUserDefTypeNameBytes(0)
, m_IidParamIndex(-1)
, m_strInterfaceTypeName(NULL)
, m_cInterfaceTypeNameBytes(0)
#endif // FEATURE_COMINTEROP
{
LIMITED_METHOD_CONTRACT;
}
// The native type of the parameter.
CorNativeType m_NativeType;
// for NT_ARRAY only
CorNativeType m_ArrayElementType; // The array element type.
BOOL m_SizeIsSpecified; // used to do some validation
UINT16 m_CountParamIdx; // index of "sizeis" parameter
UINT32 m_Multiplier; // multipler for "sizeis"
UINT32 m_Additive; // additive for 'sizeis"
// For NT_CUSTOMMARSHALER only.
LPUTF8 m_strCMMarshalerTypeName;
DWORD m_cCMMarshalerTypeNameBytes;
LPUTF8 m_strCMCookie;
DWORD m_cCMCookieStrBytes;
#ifdef FEATURE_COMINTEROP
// For NT_SAFEARRAY only.
VARTYPE m_SafeArrayElementVT;
LPUTF8 m_strSafeArrayUserDefTypeName;
DWORD m_cSafeArrayUserDefTypeNameBytes;
DWORD m_IidParamIndex; // Capture iid_is syntax from IDL.
// for NATIVE_TYPE_SPECIFIED_INTERFACE
LPUTF8 m_strInterfaceTypeName;
DWORD m_cInterfaceTypeNameBytes;
#endif // FEATURE_COMINTEROP
};
HRESULT CheckForCompressedData(PCCOR_SIGNATURE pvNativeTypeStart, PCCOR_SIGNATURE pvNativeType, ULONG cbNativeType);
BOOL ParseNativeTypeInfo(mdToken token,
IMDInternalImport* pScope,
NativeTypeParamInfo* pParamInfo);
void VerifyAndAdjustNormalizedType(
Module * pModule,
SigPointer sigPtr,
const SigTypeContext * pTypeContext,
CorElementType * pManagedElemType,
CorNativeType * pNativeType);
#ifdef FEATURE_COMINTEROP
class EventArgsMarshalingInfo
{
public:
// Constructor.
EventArgsMarshalingInfo();
// Destructor.
~EventArgsMarshalingInfo();
// EventArgsMarshalingInfo's are always allocated on the loader heap so we need to redefine
// the new and delete operators to ensure this.
void *operator new(size_t size, LoaderHeap *pHeap);
void operator delete(void *pMem);
// Accessors.
TypeHandle GetSystemNCCEventArgsType()
{
LIMITED_METHOD_CONTRACT;
return m_hndSystemNCCEventArgsType;
}
TypeHandle GetSystemPCEventArgsType()
{
LIMITED_METHOD_CONTRACT;
return m_hndSystemPCEventArgsType;
}
MethodDesc *GetSystemNCCEventArgsToWinRTNCCEventArgsMD()
{
LIMITED_METHOD_CONTRACT;
return m_pSystemNCCEventArgsToWinRTNCCEventArgsMD;
}
MethodDesc *GetWinRTNCCEventArgsToSystemNCCEventArgsMD()
{
LIMITED_METHOD_CONTRACT;
return m_pWinRTNCCEventArgsToSystemNCCEventArgsMD;
}
MethodDesc *GetSystemPCEventArgsToWinRTPCEventArgsMD()
{
LIMITED_METHOD_CONTRACT;
return m_pSystemPCEventArgsToWinRTPCEventArgsMD;
}
MethodDesc *GetWinRTPCEventArgsToSystemPCEventArgsMD()
{
LIMITED_METHOD_CONTRACT;
return m_pWinRTPCEventArgsToSystemPCEventArgsMD;
}
private:
TypeHandle m_hndSystemNCCEventArgsType;
TypeHandle m_hndSystemPCEventArgsType;
MethodDesc *m_pSystemNCCEventArgsToWinRTNCCEventArgsMD;
MethodDesc *m_pWinRTNCCEventArgsToSystemNCCEventArgsMD;
MethodDesc *m_pSystemPCEventArgsToWinRTPCEventArgsMD;
MethodDesc *m_pWinRTPCEventArgsToSystemPCEventArgsMD;
};
class UriMarshalingInfo
{
public:
// Constructor.
UriMarshalingInfo();
// Destructor
~UriMarshalingInfo();
// UriMarshalingInfo's are always allocated on the loader heap so we need to redefine
// the new and delete operators to ensure this.
void *operator new(size_t size, LoaderHeap *pHeap);
void operator delete(void *pMem);
// Accessors.
TypeHandle GetSystemUriType()
{
LIMITED_METHOD_CONTRACT;
return m_hndSystemUriType;
}
ABI::Windows::Foundation::IUriRuntimeClassFactory* GetUriFactory()
{
CONTRACTL
{
THROWS;
GC_TRIGGERS; // For potential COOP->PREEMP->COOP switch
MODE_ANY;
PRECONDITION(!GetAppDomain()->IsCompilationDomain());
}
CONTRACTL_END;
if (m_pUriFactory.Load() == NULL)
{
GCX_PREEMP();
SafeComHolderPreemp<ABI::Windows::Foundation::IUriRuntimeClassFactory> pUriFactory;
// IUriRuntimeClassFactory: 44A9796F-723E-4FDF-A218-033E75B0C084
IfFailThrow(clr::winrt::GetActivationFactory(g_WinRTUriClassNameW, (ABI::Windows::Foundation::IUriRuntimeClassFactory **)&pUriFactory));
_ASSERTE_MSG(pUriFactory, "Got Null Uri factory!");
if (InterlockedCompareExchangeT(&m_pUriFactory, (ABI::Windows::Foundation::IUriRuntimeClassFactory *) pUriFactory, NULL) == NULL)
pUriFactory.SuppressRelease();
}
return m_pUriFactory;
}
MethodDesc *GetSystemUriCtorMD()
{
LIMITED_METHOD_CONTRACT;
return m_SystemUriCtorMD;
}
MethodDesc *GetSystemUriOriginalStringMD()
{
LIMITED_METHOD_CONTRACT;
return m_SystemUriOriginalStringGetterMD;
}
private:
TypeHandle m_hndSystemUriType;
MethodDesc* m_SystemUriCtorMD;
MethodDesc* m_SystemUriOriginalStringGetterMD;
VolatilePtr<ABI::Windows::Foundation::IUriRuntimeClassFactory> m_pUriFactory;
};
class OleColorMarshalingInfo
{
public:
// Constructor.
OleColorMarshalingInfo();
// OleColorMarshalingInfo's are always allocated on the loader heap so we need to redefine
// the new and delete operators to ensure this.
void *operator new(size_t size, LoaderHeap *pHeap);
void operator delete(void *pMem);
// Accessors.
TypeHandle GetColorType()
{
LIMITED_METHOD_CONTRACT;
return m_hndColorType;
}
MethodDesc *GetOleColorToSystemColorMD()
{
LIMITED_METHOD_CONTRACT;
return m_OleColorToSystemColorMD;
}
MethodDesc *GetSystemColorToOleColorMD()
{
LIMITED_METHOD_CONTRACT;
return m_SystemColorToOleColorMD;
}
private:
TypeHandle m_hndColorType;
MethodDesc* m_OleColorToSystemColorMD;
MethodDesc* m_SystemColorToOleColorMD;
};
#endif // FEATURE_COMINTEROP
class EEMarshalingData
{
public:
EEMarshalingData(BaseDomain *pDomain, LoaderHeap *pHeap, CrstBase *pCrst);
~EEMarshalingData();
// EEMarshalingData's are always allocated on the loader heap so we need to redefine
// the new and delete operators to ensure this.
void *operator new(size_t size, LoaderHeap *pHeap);
void operator delete(void *pMem);
// This method returns the custom marshaling helper associated with the name cookie pair. If the
// CM info has not been created yet for this pair then it will be created and returned.
CustomMarshalerHelper *GetCustomMarshalerHelper(Assembly *pAssembly, TypeHandle hndManagedType, LPCUTF8 strMarshalerTypeName, DWORD cMarshalerTypeNameBytes, LPCUTF8 strCookie, DWORD cCookieStrBytes);
// This method returns the custom marshaling info associated with shared CM helper.
CustomMarshalerInfo *GetCustomMarshalerInfo(SharedCustomMarshalerHelper *pSharedCMHelper);
#ifdef FEATURE_COMINTEROP
// This method retrieves OLE_COLOR marshaling info.
OleColorMarshalingInfo *GetOleColorMarshalingInfo();
UriMarshalingInfo *GetUriMarshalingInfo();
EventArgsMarshalingInfo *GetEventArgsMarshalingInfo();
#endif // FEATURE_COMINTEROP
private:
#ifndef CROSSGEN_COMPILE
EECMHelperHashTable m_CMHelperHashtable;
EEPtrHashTable m_SharedCMHelperToCMInfoMap;
#endif // CROSSGEN_COMPILE
LoaderHeap* m_pHeap;
BaseDomain* m_pDomain;
CMINFOLIST m_pCMInfoList;
#ifdef FEATURE_COMINTEROP
OleColorMarshalingInfo* m_pOleColorInfo;
UriMarshalingInfo* m_pUriInfo;
EventArgsMarshalingInfo* m_pEventArgsInfo;
#endif // FEATURE_COMINTEROP
};
struct ItfMarshalInfo;
class MarshalInfo
{
public:
enum MarshalType
{
#define DEFINE_MARSHALER_TYPE(mtype, mclass, fWinRTSupported) mtype,
#include "mtypes.h"
MARSHAL_TYPE_UNKNOWN
};
enum MarshalScenario
{
MARSHAL_SCENARIO_NDIRECT,
#ifdef FEATURE_COMINTEROP
MARSHAL_SCENARIO_COMINTEROP,
MARSHAL_SCENARIO_WINRT,
#endif // FEATURE_COMINTEROP
MARSHAL_SCENARIO_FIELD
};
private:
public:
void *operator new(size_t size, void *pInPlace)
{
LIMITED_METHOD_CONTRACT;
return pInPlace;
}
MarshalInfo(Module* pModule,
SigPointer sig,
const SigTypeContext *pTypeContext,
mdToken token,
MarshalScenario ms,
CorNativeLinkType nlType,
CorNativeLinkFlags nlFlags,
BOOL isParam,
UINT paramidx, // parameter # for use in error messages (ignored if not parameter)
UINT numArgs, // number of arguments. used to check SizeParamIndex is within valid range
BOOL BestFit,
BOOL ThrowOnUnmappableChar,
BOOL fEmitsIL,
MethodDesc* pMD = NULL,
BOOL fUseCustomMarshal = TRUE
#ifdef _DEBUG
,
LPCUTF8 pDebugName = NULL,
LPCUTF8 pDebugClassName = NULL,
UINT argidx = 0 // 0 for return value, -1 for field
#endif
);
VOID EmitOrThrowInteropParamException(NDirectStubLinker* psl, BOOL fMngToNative, UINT resID, UINT paramIdx);
// These methods retrieve the information for different element types.
HRESULT HandleArrayElemType(NativeTypeParamInfo *pParamInfo,
TypeHandle elemTypeHnd,
int iRank,
BOOL fNoLowerBounds,
BOOL isParam,
Assembly *pAssembly);
void GenerateArgumentIL(NDirectStubLinker* psl,
int argOffset, // the argument's index is m_paramidx + argOffset
UINT nativeStackOffset, // offset of the argument on the native stack
BOOL fMngToNative);
void GenerateReturnIL(NDirectStubLinker* psl,
int argOffset, // the argument's index is m_paramidx + argOffset
BOOL fMngToNative,
BOOL fieldGetter,
BOOL retval);
void SetupArgumentSizes();
UINT16 GetNativeArgSize()
{
LIMITED_METHOD_CONTRACT;
return m_nativeArgSize;
}
MarshalType GetMarshalType()
{
LIMITED_METHOD_CONTRACT;
return m_type;
}
BYTE GetBestFitMapping()
{
LIMITED_METHOD_CONTRACT;
return ((m_BestFit == 0) ? 0 : 1);
}
BYTE GetThrowOnUnmappableChar()
{
LIMITED_METHOD_CONTRACT;
return ((m_ThrowOnUnmappableChar == 0) ? 0 : 1);
}
BOOL IsFpuReturn()
{
LIMITED_METHOD_CONTRACT;
return m_type == MARSHAL_TYPE_FLOAT || m_type == MARSHAL_TYPE_DOUBLE;
}
BOOL IsIn()
{
LIMITED_METHOD_CONTRACT;
return m_in;
}
BOOL IsOut()
{
LIMITED_METHOD_CONTRACT;
return m_out;
}
BOOL IsByRef()
{
LIMITED_METHOD_CONTRACT;
return m_byref;
}
Module* GetModule()
{
LIMITED_METHOD_CONTRACT;
return m_pModule;
}
int GetArrayRank()
{
LIMITED_METHOD_CONTRACT;
return m_iArrayRank;
}
BOOL GetNoLowerBounds()
{
LIMITED_METHOD_CONTRACT;
return m_nolowerbounds;
}
#ifdef FEATURE_COMINTEROP
void SetHiddenLengthParamIndex(UINT16 index)
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_hiddenLengthParamIndex == (UINT16)-1);
m_hiddenLengthParamIndex = index;
}
UINT16 HiddenLengthParamIndex()
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_hiddenLengthParamIndex != (UINT16)-1);
return m_hiddenLengthParamIndex;
}
DWORD GetHiddenLengthManagedHome()
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_dwHiddenLengthManagedHomeLocal != 0xFFFFFFFF);
return m_dwHiddenLengthManagedHomeLocal;
}
DWORD GetHiddenLengthNativeHome()
{
LIMITED_METHOD_CONTRACT;
_ASSERTE(m_dwHiddenLengthNativeHomeLocal != 0xFFFFFFFF);
return m_dwHiddenLengthNativeHomeLocal;
}
MarshalType GetHiddenLengthParamMarshalType();
CorElementType GetHiddenLengthParamElementType();
UINT16 GetHiddenLengthParamStackSize();
void MarshalHiddenLengthArgument(NDirectStubLinker *psl, BOOL managedToNative, BOOL isForReturnArray);
#endif // FEATURE_COMINTEROP
// used the same logic of tlbexp to check whether the argument of the method is a VarArg
BOOL IsOleVarArgCandidate()
{
LIMITED_METHOD_CONTRACT;
return m_fOleVarArgCandidate; // m_fOleVarArgCandidate is set in the constructor method
}
void GetMops(CREATE_MARSHALER_CARRAY_OPERANDS* pMopsOut)
{
WRAPPER_NO_CONTRACT;
pMopsOut->methodTable = m_hndArrayElemType.AsMethodTable();
pMopsOut->elementType = m_arrayElementType;
pMopsOut->countParamIdx = m_countParamIdx;
pMopsOut->multiplier = m_multiplier;
pMopsOut->additive = m_additive;
pMopsOut->bestfitmapping = GetBestFitMapping();
pMopsOut->throwonunmappablechar = GetThrowOnUnmappableChar();
}
TypeHandle GetArrayElementTypeHandle()
{
return m_hndArrayElemType;
}
#ifdef FEATURE_COMINTEROP
DispParamMarshaler *GenerateDispParamMarshaler();
DispatchWrapperType GetDispWrapperType();
#endif // FEATURE_COMINTEROP
void GetItfMarshalInfo(ItfMarshalInfo* pInfo);
// Helper functions used to map the specified type to its interface marshalling info.
static void GetItfMarshalInfo(TypeHandle th, TypeHandle thItf, BOOL fDispItf, BOOL fInspItf, MarshalScenario ms, ItfMarshalInfo *pInfo);
static HRESULT TryGetItfMarshalInfo(TypeHandle th, BOOL fDispItf, BOOL fInspItf, ItfMarshalInfo *pInfo);
VOID MarshalTypeToString(SString& strMarshalType, BOOL fSizeIsSpecified);
static VOID VarTypeToString(VARTYPE vt, SString& strVarType);
// Returns true if the specified marshaler requires COM to have been started.
bool MarshalerRequiresCOM();
MethodDesc *GetMethodDesc()
{
LIMITED_METHOD_CONTRACT;
return m_pMD;
}
UINT GetParamIndex()
{
LIMITED_METHOD_CONTRACT;
return m_paramidx;
}
#ifdef FEATURE_COMINTEROP
BOOL IsWinRTScenario()
{
LIMITED_METHOD_CONTRACT;
return m_ms == MarshalInfo::MARSHAL_SCENARIO_WINRT;
}
#endif // FEATURE_COMINTEROP
private:
UINT16 GetManagedSize(MarshalType mtype, MarshalScenario ms);
UINT16 GetNativeSize(MarshalType mtype, MarshalScenario ms);
static bool IsInOnly(MarshalType mtype);
static bool IsSupportedForWinRT(MarshalType mtype);
static OVERRIDEPROC GetArgumentOverrideProc(MarshalType mtype);
static RETURNOVERRIDEPROC GetReturnOverrideProc(MarshalType mtype);
#ifdef _DEBUG
VOID DumpMarshalInfo(Module* pModule, SigPointer sig, const SigTypeContext *pTypeContext, mdToken token,
MarshalScenario ms, CorNativeLinkType nlType, CorNativeLinkFlags nlFlags);
#endif
private:
MarshalType m_type;
BOOL m_byref;
BOOL m_in;
BOOL m_out;
MethodTable* m_pMT; // Used if this is a true value type
MethodDesc* m_pMD; // Save MethodDesc for later inspection so that we can pass SizeParamIndex by ref
TypeHandle m_hndArrayElemType;
VARTYPE m_arrayElementType;
int m_iArrayRank;
BOOL m_nolowerbounds; // if managed type is SZARRAY, don't allow lower bounds
// for NT_ARRAY only
UINT32 m_multiplier; // multipler for "sizeis"
UINT32 m_additive; // additive for 'sizeis"
UINT16 m_countParamIdx; // index of "sizeis" parameter
#ifdef FEATURE_COMINTEROP
// For NATIVE_TYPE_HIDDENLENGTHARRAY
UINT16 m_hiddenLengthParamIndex; // index of the injected hidden length parameter
DWORD m_dwHiddenLengthManagedHomeLocal; // home local for the managed hidden length parameter
DWORD m_dwHiddenLengthNativeHomeLocal; // home local for the native hidden length parameter
MethodTable* m_pDefaultItfMT; // WinRT default interface (if m_pMT is a class)
#endif // FEATURE_COMINTEROP
UINT16 m_nativeArgSize;
UINT16 m_managedArgSize;
MarshalScenario m_ms;
BOOL m_fAnsi;
BOOL m_fDispItf;
BOOL m_fInspItf;
#ifdef FEATURE_COMINTEROP
BOOL m_fErrorNativeType;
#endif // FEATURE_COMINTEROP
// Information used by NT_CUSTOMMARSHALER.
CustomMarshalerHelper* m_pCMHelper;
VARTYPE m_CMVt;
OverrideProcArgs m_args;
UINT m_paramidx;
UINT m_resID; // resource ID for error message (if any)
BOOL m_BestFit;
BOOL m_ThrowOnUnmappableChar;
BOOL m_fOleVarArgCandidate; // indicate whether the arg is a candidate for vararg or not
#if defined(_DEBUG)
LPCUTF8 m_strDebugMethName;
LPCUTF8 m_strDebugClassName;
UINT m_iArg; // 0 for return value, -1 for field
#endif
Module* m_pModule;
};
//
// Flags used to control the behavior of the ArrayMarshalInfo class.
//
enum ArrayMarshalInfoFlags
{
amiRuntime = 0x0001,
amiExport32Bit = 0x0002,
amiExport64Bit = 0x0004,
amiIsPtr = 0x0008,
amiSafeArraySubTypeExplicitlySpecified = 0x0010
};
#define IsAMIRuntime(flags) (flags & amiRuntime)
#define IsAMIExport(flags) (flags & (amiExport32Bit | amiExport64Bit))
#define IsAMIExport32Bit(flags) (flags & amiExport32Bit)
#define IsAMIExport64Bit(flags) (flags & amiExport64Bit)
#define IsAMIPtr(flags) (flags & amiIsPtr)
#define IsAMISafeArraySubTypeExplicitlySpecified(flags) (flags & amiSafeArraySubTypeExplicitlySpecified)
//
// Helper classes to determine the marshalling information for arrays.
//
class ArrayMarshalInfo
{
public:
ArrayMarshalInfo(ArrayMarshalInfoFlags flags)
: m_vtElement(VT_EMPTY)
, m_errorResourceId(0)
, m_flags(flags)
#ifdef FEATURE_COMINTEROP
, m_redirectedTypeIndex((WinMDAdapter::RedirectedTypeIndex)0)
, m_cbElementSize(0)
#endif // FEATURE_COMINTEROP
{
WRAPPER_NO_CONTRACT;
}
void InitForNativeArray(MarshalInfo::MarshalScenario ms, TypeHandle elemTypeHnd, CorNativeType elementNativeType, BOOL isAnsi);
void InitForFixedArray(TypeHandle elemTypeHnd, CorNativeType elementNativeType, BOOL isAnsi);
#ifdef FEATURE_COMINTEROP
void InitForSafeArray(MarshalInfo::MarshalScenario ms, TypeHandle elemTypeHnd, VARTYPE elementVT, BOOL isAnsi);
void InitForHiddenLengthArray(TypeHandle elemTypeHnd);
#endif // FEATURE_COMINTEROP
TypeHandle GetElementTypeHandle()
{
LIMITED_METHOD_CONTRACT;
return m_thElement;
}
BOOL IsPtr()
{
LIMITED_METHOD_CONTRACT;
return IsAMIPtr(m_flags);
}
VARTYPE GetElementVT()
{
LIMITED_METHOD_CONTRACT;
if ((IsAMIRuntime(m_flags) && IsAMIPtr(m_flags)) != 0)
{
// for the purpose of marshaling, we don't care about the inner
// type - we just marshal pointer-sized values
return (sizeof(LPVOID) == 4 ? VT_I4 : VT_I8);
}
else
{
return m_vtElement;
}
}
BOOL IsValid()
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
return m_vtElement != VT_EMPTY;
}
BOOL IsSafeArraySubTypeExplicitlySpecified()
{
LIMITED_METHOD_CONTRACT;
return IsAMISafeArraySubTypeExplicitlySpecified(m_flags);
}
DWORD GetErrorResourceId()
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
PRECONDITION(!IsValid());
}
CONTRACTL_END;
return m_errorResourceId;
}
#ifdef FEATURE_COMINTEROP
WinMDAdapter::RedirectedTypeIndex GetRedirectedTypeIndex()
{
LIMITED_METHOD_CONTRACT;
return m_redirectedTypeIndex;
}
SIZE_T GetElementSize()
{
LIMITED_METHOD_CONTRACT;
return m_cbElementSize;
}
#endif // FEATURE_COMINTEROP
protected:
// Helper function that does the actual work to figure out the element type handle and var type.
void InitElementInfo(CorNativeType arrayNativeType, MarshalInfo::MarshalScenario ms, TypeHandle elemTypeHnd, CorNativeType elementNativeType, BOOL isAnsi);
VARTYPE GetPointerSize()
{
LIMITED_METHOD_CONTRACT;
// If we are exporting, use the pointer size specified via the flags, otherwise use
// the current size of a pointer.
if (IsAMIExport32Bit(m_flags))
return 4;
else if (IsAMIExport64Bit(m_flags))
return 8;
else
return sizeof(LPVOID);
}
protected:
TypeHandle m_thElement;
TypeHandle m_thInterfaceArrayElementClass;
VARTYPE m_vtElement;
DWORD m_errorResourceId;
ArrayMarshalInfoFlags m_flags;
#ifdef FEATURE_COMINTEROP
WinMDAdapter::RedirectedTypeIndex m_redirectedTypeIndex;
SIZE_T m_cbElementSize;
#endif // FEATURE_COMINTEROP
};
//===================================================================================
// Throws an exception indicating a param has invalid element type / native type
// information.
//===================================================================================
VOID ThrowInteropParamException(UINT resID, UINT paramIdx);
VOID CollateParamTokens(IMDInternalImport *pInternalImport, mdMethodDef md, ULONG numargs, mdParamDef *aParams);
bool IsUnsupportedValueTypeReturn(MetaSig& msig);
void FindCopyCtor(Module *pModule, MethodTable *pMT, MethodDesc **pMDOut);
void FindDtor(Module *pModule, MethodTable *pMT, MethodDesc **pMDOut);
// We'll cap the total native size at a (somewhat) arbitrary limit to ensure
// that we don't expose some overflow bug later on.
#define MAX_SIZE_FOR_INTEROP 0x7ffffff0
#endif // _MLINFO_H_
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