// The only purpose of this method is to get type name of the method and declaring type token (opaque for SymWriter), everything else is ignored by the SymWriter.
// "mb" is the token passed to OpenMethod. The token is remembered until the corresponding CloseMethod, which passes it to GetMethodProps.
// It's opaque for SymWriter.
public override int GetMethodProps(
int methodDef,
[Out] int *declaringTypeDef,
[Out] char *name,
int nameBufferLength,
[Out] int *nameLength,
[Out] MethodAttributes *attributes,
[Out] byte **signature,
[Out] int *signatureLength,
[Out] int *relativeVirtualAddress,
[Out] MethodImplAttributes *implAttributes)
{
Debug.Assert(attributes == null);
Debug.Assert(signature == null);
Debug.Assert(signatureLength == null);
Debug.Assert(relativeVirtualAddress == null);
Debug.Assert(implAttributes == null);
if (!_metadataProvider.TryGetMethodInfo(methodDef, out var nameStr, out var declaringTypeToken))
{
return(HResult.E_INVALIDARG);
}
if (name != null || nameLength != null)
{
// if the buffer is too small to fit the name, truncate the name.
// -1 to account for a NUL terminator.
int adjustedLength = Math.Min(nameStr.Length, nameBufferLength - 1);
if (nameLength != null)
{
// return the length of the possibly truncated name not including NUL
*nameLength = adjustedLength;
}
if (name != null && nameBufferLength > 0)
{
char *dst = name;
for (int i = 0; i < adjustedLength; i++)
{
*dst = nameStr[i];
dst++;
}
*dst = '\0';
}
}
if (declaringTypeDef != null)
{
*declaringTypeDef = declaringTypeToken;
}
return(HResult.S_OK);
}
public virtual int GetMethodProps(
int methodDef,
[Out] int *declaringTypeDef,
[Out] char *name,
int nameBufferLength,
[Out] int *nameLength,
[Out] MethodAttributes *attributes,
[Out] byte **signature,
[Out] int *signatureLength,
[Out] int *relativeVirtualAddress,
[Out] MethodImplAttributes *implAttributes)
=> throw new NotImplementedException();
// The only purpose of this method is to get type name of the method and declaring type token (opaque for SymWriter), everything else is ignored by the SymWriter.
// "mb" is the token passed to OpenMethod. The token is remembered until the corresponding CloseMethod, which passes it to GetMethodProps.
// It's opaque for SymWriter.
int IMetadataImport.GetMethodProps(
int methodDef,
[Out] int *declaringTypeDef,
[Out] char *name,
int nameBufferLength,
[Out] int *nameLength,
[Out] MethodAttributes *attributes,
[Out] byte **signature,
[Out] int *signatureLength,
[Out] int *relativeVirtualAddress,
[Out] MethodImplAttributes *implAttributes)
{
MetadataRequired();
Debug.Assert(attributes == null);
Debug.Assert(signature == null);
Debug.Assert(signatureLength == null);
Debug.Assert(relativeVirtualAddress == null);
Debug.Assert(implAttributes == null);
var handle = (MethodDefinitionHandle)MetadataTokens.Handle(methodDef);
var methodDefinition = _metadataReaderOpt.GetMethodDefinition(handle);
if (name != null || nameLength != null)
{
string nameStr = _metadataReaderOpt.GetString(methodDefinition.Name);
// if the buffer is too small to fit the name, truncate the name.
// -1 to account for a NUL terminator.
int adjustedLength = Math.Min(nameStr.Length, nameBufferLength - 1);
// return the length of the name not including NUL
if (nameLength != null)
{
*nameLength = adjustedLength;
}
if (name != null)
{
InteropUtilities.StringCopy(name, nameStr, adjustedLength);
}
}
if (declaringTypeDef != null)
{
*declaringTypeDef = MetadataTokens.GetToken(methodDefinition.GetDeclaringType());
}
return(HResult.S_OK);
}
