/// <summary>
/// Creates a builder of a metadata root.
/// </summary>
/// <param name="tablesAndHeaps">
/// Builder populated with metadata entities stored in tables and values stored in heaps.
/// The entities and values will be enumerated when serializing the metadata root.
/// </param>
/// <param name="metadataVersion">
/// The version string written to the metadata header. The default value is "v4.0.30319".
/// </param>
/// <param name="suppressValidation">
/// True to suppresses basic validation of metadata tables during serialization.
/// The validation verifies that entries in the tables were added in order required by the ECMA specification.
/// It does not enforce all specification requirements on metadata tables.
/// </param>
/// <exception cref="ArgumentNullException"><paramref name="tablesAndHeaps"/> is null.</exception>
/// <exception cref="ArgumentException"><paramref name="metadataVersion"/> is too long (the number of bytes when UTF8-encoded must be less than 255).</exception>
public MetadataRootBuilder(MetadataBuilder tablesAndHeaps, string metadataVersion = null, bool suppressValidation = false)
{
if (tablesAndHeaps == null)
{
Throw.ArgumentNull(nameof(tablesAndHeaps));
}
Debug.Assert(BlobUtilities.GetUTF8ByteCount(DefaultMetadataVersionString) == DefaultMetadataVersionString.Length);
int metadataVersionByteCount = metadataVersion != null?BlobUtilities.GetUTF8ByteCount(metadataVersion) : DefaultMetadataVersionString.Length;
if (metadataVersionByteCount > MetadataSizes.MaxMetadataVersionByteCount)
{
Throw.InvalidArgument(SR.MetadataVersionTooLong, nameof(metadataVersion));
}
_tablesAndHeaps = tablesAndHeaps;
MetadataVersion = metadataVersion ?? DefaultMetadataVersionString;
SuppressValidation = suppressValidation;
_serializedMetadata = tablesAndHeaps.GetSerializedMetadata(EmptyRowCounts, metadataVersionByteCount, isStandaloneDebugMetadata: false);
}
/// <summary>
/// Creates a builder of a Portable PDB image.
/// </summary>
/// <param name="tablesAndHeaps">
/// Builder populated with debug metadata entities stored in tables and values stored in heaps.
/// The entities and values will be enumerated when serializing the Portable PDB image.
/// </param>
/// <param name="typeSystemRowCounts">
/// Row counts of all tables that the associated type-system metadata contain.
/// Each slot in the array corresponds to a table (<see cref="TableIndex"/>).
/// The length of the array must be equal to <see cref="MetadataTokens.TableCount"/>.
/// </param>
/// <param name="entryPoint">
/// Entry point method definition handle.
/// </param>
/// <param name="idProvider">
/// Function calculating id of content represented as a sequence of blobs.
/// If not specified a default function that ignores the content and returns current time-based content id is used
/// (<see cref="BlobContentId.GetTimeBasedProvider()"/>).
/// You must specify a deterministic function to produce a deterministic Portable PDB image.
/// </param>
/// <exception cref="ArgumentNullException"><paramref name="tablesAndHeaps"/> or <paramref name="typeSystemRowCounts"/> is null.</exception>
public PortablePdbBuilder(
MetadataBuilder tablesAndHeaps,
ImmutableArray <int> typeSystemRowCounts,
MethodDefinitionHandle entryPoint,
Func <IEnumerable <Blob>, BlobContentId> idProvider = null)
{
if (tablesAndHeaps == null)
{
Throw.ArgumentNull(nameof(tablesAndHeaps));
}
ValidateTypeSystemRowCounts(typeSystemRowCounts);
_builder = tablesAndHeaps;
_entryPoint = entryPoint;
Debug.Assert(BlobUtilities.GetUTF8ByteCount(MetadataVersion) == MetadataVersion.Length);
_serializedMetadata = tablesAndHeaps.GetSerializedMetadata(typeSystemRowCounts, MetadataVersion.Length, isStandaloneDebugMetadata: true);
IdProvider = idProvider ?? BlobContentId.GetTimeBasedProvider();
}
