internal static CilMethodImport Create(MethodImport methodImport, ref CilReaders readers, MethodDefinition methodDef)
{
CilMethodImport import = new CilMethodImport();
import._methodImport = methodImport;
import._readers = readers;
import._isModuleReferenceInitialized = false;
import._isAttributesInitialized = false;
import._methodDef = methodDef;
return import;
}
internal static CilMethodImport Create(MethodImport methodImport, ref CilReaders readers, MethodDefinition methodDef)
{
CilMethodImport import = new CilMethodImport();
import._methodImport = methodImport;
import._readers = readers;
import._isModuleReferenceInitialized = false;
import._isAttributesInitialized = false;
import._methodDef = methodDef;
return(import);
}
public override PInvokeMetadata GetPInvokeMethodMetadata()
{
if (!IsPInvoke)
{
return(default(PInvokeMetadata));
}
MetadataReader metadataReader = MetadataReader;
MethodImport import = metadataReader.GetMethodDefinition(_handle).GetImport();
string name = metadataReader.GetString(import.Name);
// Spot check the enums match
Debug.Assert((int)MethodImportAttributes.CallingConventionStdCall == (int)PInvokeAttributes.CallingConventionStdCall);
Debug.Assert((int)MethodImportAttributes.CharSetAuto == (int)PInvokeAttributes.CharSetAuto);
Debug.Assert((int)MethodImportAttributes.CharSetUnicode == (int)PInvokeAttributes.CharSetUnicode);
return(new PInvokeMetadata(name, (PInvokeAttributes)import.Attributes));
}
public MethodImportRow(MethodImport import, MethodDefinitionHandle parent)
{
Import = import;
Parent = parent;
}
public MethodImportRow(MethodImport import, MethodDefinitionHandle parent)
{
Import = import;
Parent = parent;
}
public override PInvokeMetadata GetPInvokeMethodMetadata()
{
if (!IsPInvoke)
{
return(default(PInvokeMetadata));
}
MetadataReader metadataReader = MetadataReader;
MethodDefinition methodDef = metadataReader.GetMethodDefinition(_handle);
MethodImport import = methodDef.GetImport();
string name = metadataReader.GetString(import.Name);
ModuleReference moduleRef = metadataReader.GetModuleReference(import.Module);
string moduleName = metadataReader.GetString(moduleRef.Name);
MethodImportAttributes importAttributes = import.Attributes;
// If either BestFitMapping or ThrowOnUnmappable wasn't set on the p/invoke,
// look for the value in the owning type or assembly.
if ((importAttributes & MethodImportAttributes.BestFitMappingMask) == 0 ||
(importAttributes & MethodImportAttributes.ThrowOnUnmappableCharMask) == 0)
{
TypeDefinition declaringType = metadataReader.GetTypeDefinition(methodDef.GetDeclaringType());
// Start with owning type
MethodImportAttributes fromCA = GetImportAttributesFromBestFitMappingAttribute(declaringType.GetCustomAttributes());
if ((importAttributes & MethodImportAttributes.BestFitMappingMask) == 0)
{
importAttributes |= fromCA & MethodImportAttributes.BestFitMappingMask;
}
if ((importAttributes & MethodImportAttributes.ThrowOnUnmappableCharMask) == 0)
{
importAttributes |= fromCA & MethodImportAttributes.ThrowOnUnmappableCharMask;
}
// If we still don't know, check the assembly
if ((importAttributes & MethodImportAttributes.BestFitMappingMask) == 0 ||
(importAttributes & MethodImportAttributes.ThrowOnUnmappableCharMask) == 0)
{
fromCA = GetImportAttributesFromBestFitMappingAttribute(metadataReader.GetAssemblyDefinition().GetCustomAttributes());
if ((importAttributes & MethodImportAttributes.BestFitMappingMask) == 0)
{
importAttributes |= fromCA & MethodImportAttributes.BestFitMappingMask;
}
if ((importAttributes & MethodImportAttributes.ThrowOnUnmappableCharMask) == 0)
{
importAttributes |= fromCA & MethodImportAttributes.ThrowOnUnmappableCharMask;
}
}
}
// Spot check the enums match
Debug.Assert((int)MethodImportAttributes.CallingConventionStdCall == (int)PInvokeAttributes.CallingConventionStdCall);
Debug.Assert((int)MethodImportAttributes.CharSetAuto == (int)PInvokeAttributes.CharSetAuto);
Debug.Assert((int)MethodImportAttributes.CharSetUnicode == (int)PInvokeAttributes.CharSetUnicode);
Debug.Assert((int)MethodImportAttributes.SetLastError == (int)PInvokeAttributes.SetLastError);
PInvokeAttributes attributes = (PInvokeAttributes)importAttributes;
if ((ImplAttributes & MethodImplAttributes.PreserveSig) != 0)
{
attributes |= PInvokeAttributes.PreserveSig;
}
return(new PInvokeMetadata(moduleName, name, attributes));
}
