internal bool Initialize(IActivityMonitor monitor, bool forceRun, ref bool canSkipRun)
{
if (IsUnifiedPure)
{
// If we are on the unified pure BinPath.
Debug.Assert(_saveSource == SaveSourceLevel.None &&
CompileOption == CompileOption.None &&
SimilarConfigurations.Single() == Configuration &&
RunSignature.IsZero);
return(true);
}
CompileOption compile = CompileOption.None;
bool source = false;
foreach (var b in SimilarConfigurations)
{
compile = (CompileOption)Math.Max((int)compile, (int)b.CompileOption);
source |= b.GenerateSourceFiles;
}
CompileOption = compile;
_saveSource = source ? SaveSourceLevel.SaveSource : SaveSourceLevel.None;
if (RunSignature.IsZero)
{
// No known code base SHA1.
// We are not called by CKSetup: the StObjEngine is run in-process, typically
// by CK.Testing.StObjEngine.
// Retrieving the SHA1 (if forceSetup is false) from the existing generated source and/or assembly
// is easily doable but pointless: when the StObjEngine is ran in-process without known SHA1, it is
// with a StObjCollector (the set of types) that is specific and with no way to have any clue about
// their "content" (even for two consecutive identical set of types, their code, attributes or the
// code of the generators may have changed between 2 runs).
// In this usage, the goal is to correctly manage the G0.cs and CK.StObj.AutoAssembly files.
//
// The behavior here is tailored for CK.Testing.StObjEngine and by its API.
// If the source code is not required, we require it here so that the SHA1 can be computed based on
// the generated code source.
if (_saveSource == SaveSourceLevel.None)
{
monitor.Info($"Source code for '{Names}' will be generated to compute the SHA1 but will not be saved.");
// This level doesn't need to be exposed since the GenerateSourceCodeSecondPass
// will generate the source code even if SaveSource is false, CompileOption is None as soon as RunSignature
// is zero: this level is here to avoid setting SaveSource to true here so that CopyArtifactsFromHead
// will not update any files.
_saveSource = SaveSourceLevel.RequiredForSHA1;
}
canSkipRun = false;
}
else if (!forceRun && (_saveSource != SaveSourceLevel.None || compile != CompileOption.None))
{
// A code base SHA1 is provided.
// If we can find this map in the already available StObjMap, we may skip the run.
var mapInfo = StObjContextRoot.GetMapInfo(RunSignature, monitor);
if (mapInfo != null)
{
monitor.Info($"An existing StObjMap with the signature is already loaded: setting SaveSource to false and CompileOption to None for BinPaths {Names}.");
_saveSource = SaveSourceLevel.None;
CompileOption = CompileOption.None;
}
else
{
if (_saveSource != SaveSourceLevel.None && GeneratedSource.GetSignature(monitor) == RunSignature)
{
monitor.Info($"Source '{GeneratedSource}' is up to date. Setting SaveSource to false for BinPaths {Names}.");
_saveSource = SaveSourceLevel.None;
}
if (compile != CompileOption.None && GeneratedAssembly.GetSignature(monitor) == RunSignature)
{
monitor.Info($"Assembly '{GeneratedAssembly}' is up to date. Setting CompileOption to None for BinPaths {Names}.");
CompileOption = CompileOption.None;
}
}
canSkipRun &= _saveSource == SaveSourceLevel.None && CompileOption == CompileOption.None;
}
return(true);
}