public IIR Execute(IIR predecessorIR)
{
AstIR astIR = predecessorIR as AstIR;
if (astIR == null)
{
return null;
}
// Initialize Lowering Engine
InitializeLoweringEngine();
PhysicalIR physicalIR = new PhysicalIR(astIR);
foreach (Task.AstPackageNode packageNode in astIR.AstRootNode.Packages)
{
if (packageNode.Emit)
{
var root = physicalIR.InitializePackage(packageNode.Name);
PhysicalLoweringProcessor.Lower(packageNode, new TaskLoweringContext(root));
}
}
return physicalIR;
}
