public static void LowerPackage(AstNode astNode, LoweringContext context)
{
var astPackage = astNode as AstTask.AstPackageNode;
if (astPackage != null)
{
if (astPackage.Emit)
{
var p = new Package(astPackage);
context.ParentObject.Children.Add(p);
context = new TaskLoweringContext(p);
LowerConnection(astPackage.LogConnection, context);
LowerChildren(astPackage, context);
LowerEventHandlers(astPackage, p, context);
}
else
{
MessageEngine.Trace(
astPackage,
Severity.Debug,
"D_S008",
"Skipped Lowering of Package {0} because Emit was {1}",
astPackage.Name,
astPackage.Emit);
}
}
}
public static void LowerForLoop(AstNode astNode, LoweringContext context)
{
var astContainer = astNode as AstTask.AstForLoopContainerTaskNode;
if (astContainer != null)
{
var forLoop = new PhysicalTask.ForLoop(astContainer);
context.ParentObject.Children.Add(forLoop);
LowerConnection(astContainer.LogConnection, context);
context = new TaskLoweringContext(forLoop);
LowerChildren(astContainer, context);
LowerEventHandlers(astContainer, forLoop, context);
}
}
public static void LowerContainer(AstNode astNode, LoweringContext context)
{
var astContainer = astNode as AstTask.AstContainerTaskNode;
if (astContainer != null)
{
var seq = new PhysicalTask.Sequence(astContainer);
context.ParentObject.Children.Add(seq);
LowerConnection(astContainer.LogConnection, context);
context = new TaskLoweringContext(seq);
LowerChildren(astContainer, context);
LowerEventHandlers(astContainer, seq, context);
}
}
public static void LowerEventHandlers(AstTask.AstTaskNode astTaskNode, Executable parentExecutable, LoweringContext context)
{
foreach (AstTask.AstTaskEventHandlerNode astTaskEventHandler in astTaskNode.Events)
{
PhysicalTask.EventHandler e = new IR.Tasks.EventHandler(astTaskEventHandler, parentExecutable);
context.ParentObject.Children.Add(e);
foreach (AstTask.AstTaskNode task in astTaskEventHandler.Tasks)
{
context = new TaskLoweringContext(e);
PhysicalLoweringProcessor.Lower(task, context);
}
}
}