internal MSBuildProjectInstanceInfo LoadNativeInstance()
{
lock (readLock) {
var supportsMSBuild = UseMSBuildEngine && GetGlobalPropertyGroup().GetValue("UseMSBuildEngine", true);
if (engineManager == null)
{
engineManager = new MSBuildEngineManager();
engineManagerIsLocal = true;
}
MSBuildEngine e = engineManager.GetEngine(supportsMSBuild);
if (nativeProjectInfo != null && nativeProjectInfo.Engine != null && (nativeProjectInfo.Engine != e || nativeProjectInfo.ProjectStamp != ChangeStamp))
{
nativeProjectInfo.Engine.UnloadProject(nativeProjectInfo.Project);
nativeProjectInfo = null;
}
if (nativeProjectInfo == null)
{
nativeProjectInfo = new MSBuildProjectInstanceInfo {
Engine = e,
ProjectStamp = ChangeStamp
};
}
if (nativeProjectInfo.Project == null)
{
// Use a private metadata property to assign an id to each item. This id is used to match
// evaluated items with the items that generated them.
try {
DisableChangeTracking();
var ctx = new WriteContext {
Evaluating = true,
ItemMap = new Dictionary <string, MSBuildItem> ()
};
var xml = SaveToString(ctx);
foreach (var it in GetAllItems())
{
it.EvaluatedItemCount = 0;
}
nativeProjectInfo.Project = e.LoadProject(this, xml, FileName);
} catch (Exception ex) {
// If the project can't be evaluated don't crash
LoggingService.LogError("MSBuild project could not be evaluated", ex);
throw new ProjectEvaluationException(this, ex.Message);
} finally {
EnableChangeTracking();
}
}
return(nativeProjectInfo);
}
}
