private static unsafe bool TryGetMetadataBlock(IntPtr ptr, uint size, out MetadataBlock block)
{
try
{
var reader = new MetadataReader((byte *)ptr, (int)size);
var moduleDef = reader.GetModuleDefinition();
var moduleVersionId = reader.GetGuid(moduleDef.Mvid);
var generationId = reader.GetGuid(moduleDef.GenerationId);
block = new MetadataBlock(moduleVersionId, generationId, ptr, (int)size);
return(true);
}
catch (BadImageFormatException)
{
block = default;
return(false);
}
}
private static bool TryGetMetadataBlock(ImmutableArray <MetadataBlock> previousMetadataBlocks, int index, IntPtr ptr, uint size, out MetadataBlock block)
{
if (!previousMetadataBlocks.IsDefault && index < previousMetadataBlocks.Length)
{
var previousBlock = previousMetadataBlocks[index];
if (previousBlock.Pointer == ptr && previousBlock.Size == size)
{
block = previousBlock;
return(true);
}
}
return(TryGetMetadataBlock(ptr, size, out block));
}