/// <inheritdoc />
public void PredictInputsAndOutputs(
ProjectInstance projectInstance,
ProjectPredictionReporter predictionReporter)
{
// Determine the active Targets in this Project.
var activeTargets = new Dictionary <string, ProjectTargetInstance>(StringComparer.OrdinalIgnoreCase);
// Start with the default targets, initial targets and all of their parent targets, the closure of its dependencies.
foreach (string target in projectInstance.DefaultTargets)
{
projectInstance.AddToActiveTargets(target, activeTargets);
}
foreach (string target in projectInstance.InitialTargets)
{
projectInstance.AddToActiveTargets(target, activeTargets);
}
// Aside from InitialTargets and DefaultTargets, for completeness of inputs/outputs detection,
// include custom targets defined directly in this Project.
// Note that this misses targets defined in any custom targets files.
foreach (ProjectTargetInstance target in projectInstance.Targets.Values
.Where(t => string.Equals(t.Location.File, projectInstance.ProjectFileLocation.File, PathComparer.Comparison)))
{
projectInstance.AddToActiveTargets(target.Name, activeTargets);
}
projectInstance.AddBeforeAndAfterTargets(activeTargets);
// Then parse copy tasks for these targets.
foreach (KeyValuePair <string, ProjectTargetInstance> target in activeTargets)
{
ParseCopyTask(target.Value, projectInstance, predictionReporter);
}
}
/// <summary>
/// Expand (recursively) set of active targets to include targets which reference any
/// of the active targets with BeforeTarget or AfterTarget.
/// </summary>
/// <param name="projectInstance">An MSBuild Project instance to use for context.</param>
/// <param name="activeTargets">
/// Set of active targets. Will be modified in place to add targets that reference this
/// graph with BeforeTarget or AfterTarget.
/// </param>
public static void AddBeforeAndAfterTargets(this ProjectInstance projectInstance, Dictionary <string, ProjectTargetInstance> activeTargets)
{
var newTargetsToConsider = true;
while (newTargetsToConsider)
{
newTargetsToConsider = false;
foreach (KeyValuePair <string, ProjectTargetInstance> pair in projectInstance.Targets)
{
string targetName = pair.Key;
ProjectTargetInstance targetInstance = pair.Value;
// If the target is not already in our list of active targets ...
if (!activeTargets.ContainsKey(targetName))
{
IEnumerable <string> hookedTargets = projectInstance.EvaluateValue(targetInstance.AfterTargets)
.Concat(projectInstance.EvaluateValue(targetInstance.BeforeTargets));
foreach (string hookedTarget in hookedTargets)
{
// ... and it hooks a running target with BeforeTargets/AfterTargets ...
if (activeTargets.ContainsKey(hookedTarget))
{
// ... then add it to the list of running targets ...
projectInstance.AddToActiveTargets(targetName, activeTargets);
// ... and make a note to run again, since activeTargets has changed.
newTargetsToConsider = true;
}
}
}
}
}
}
