/// <summary>
/// Deserializes a pip graph fragment from stream.
/// </summary>
public async Task <bool> DeserializeAsync(
Stream stream,
Func <PipGraphFragmentContext, PipGraphFragmentProvenance, PipId, Pip, Task <bool> > handleDeserializedPip = null,
string fragmentDescriptionOverride = null,
AbsolutePath filePathOrigin = default)
{
using (var reader = new PipRemapReader(m_pipExecutionContext, m_pipGraphFragmentContext, stream))
{
try
{
string serializedDescription = reader.ReadNullableString();
FragmentDescription = fragmentDescriptionOverride ?? serializedDescription;
var provenance = new PipGraphFragmentProvenance(filePathOrigin, FragmentDescription);
bool serializedUsingTopSort = reader.ReadBoolean();
Func <PipId, Pip, Task <bool> > handleDeserializedPipInFragment = (pipId, pip) => handleDeserializedPip(m_pipGraphFragmentContext, provenance, pipId, pip);
if (serializedUsingTopSort)
{
return(await DeserializeTopSortAsync(handleDeserializedPipInFragment, reader));
}
else
{
return(await DeserializeSeriallyAsync(handleDeserializedPipInFragment, reader));
}
}
finally
{
Interlocked.Add(ref Stats.OptimizedSymbols, reader.OptimizedSymbols);
}
}
}
/// <summary>
/// Deserializes a pip graph fragment and call the given handleDeserializedPip function on each pip deserialized.
/// </summary>
public bool Deserialize(
AbsolutePath filePath,
Func <PipGraphFragmentContext, PipGraphFragmentProvenance, PipId, Pip, bool> handleDeserializedPip = null,
string fragmentDescriptionOverride = null)
{
Contract.Requires(filePath.IsValid);
string fileName = filePath.ToString(m_pipExecutionContext.PathTable);
using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var reader = new PipRemapReader(m_pipExecutionContext, m_pipGraphFragmentContext, stream))
{
string serializedDescription = reader.ReadNullableString();
FragmentDescription = (fragmentDescriptionOverride ?? serializedDescription) ?? filePath.ToString(m_pipExecutionContext.PathTable);
var provenance = new PipGraphFragmentProvenance(filePath, FragmentDescription);
m_totalPipsToDeserialize = reader.ReadInt32();
for (int i = 0; i < m_totalPipsToDeserialize; i++)
{
var pip = Pip.Deserialize(reader);
// Pip id is not deserialized when pip is deserialized.
// Pip id must be read separately. To be able to add a pip to the graph, the pip id of the pip
// is assumed to be unset, and is set when the pip gets inserted into the pip table.
// Thus, one should not assign the pip id of the deserialized pip with the deserialized pip id.
// Do not use reader.ReadPipId() for reading the deserialized pip id. The method reader.ReadPipId()
// remaps the pip id to a new pip id.
var pipId = new PipId(reader.ReadUInt32());
var success = handleDeserializedPip?.Invoke(m_pipGraphFragmentContext, provenance, pipId, pip);
if (success.HasValue & !success.Value)
{
return(false);
}
Stats.Increment(pip, serialize: false);
}
}
return(true);
}
/// <summary>
/// Deserializes a pip graph fragment from stream.
/// </summary>
public bool Deserialize(
Stream stream,
Func <PipGraphFragmentContext, PipGraphFragmentProvenance, PipId, Pip, bool> handleDeserializedPip = null,
string fragmentDescriptionOverride = null,
AbsolutePath filePathOrigin = default)
{
using (var reader = new PipRemapReader(m_pipExecutionContext, m_pipGraphFragmentContext, stream))
{
string serializedDescription = reader.ReadNullableString();
FragmentDescription = fragmentDescriptionOverride ?? serializedDescription;
var provenance = new PipGraphFragmentProvenance(filePathOrigin, FragmentDescription);
bool serializedUsingTopSort = reader.ReadBoolean();
Func <PipId, Pip, bool> handleDeserializedPipInFragment = (pipId, pip) => handleDeserializedPip(m_pipGraphFragmentContext, provenance, pipId, pip);
if (serializedUsingTopSort)
{
return(DeserializeTopSort(handleDeserializedPipInFragment, reader));
}
else
{
return(DeserializeSerially(handleDeserializedPipInFragment, reader));
}
}
}
