[DCE] Refactor, use more explicit data structures/names.
[DCE] Refactor, use more explicit data structures/names.

Swift SVN r9766

karwa/swift,danielmartin/swift,uasys/swift,swiftix/swift.old,sdulal/swift,MukeshKumarS/Swift,roambotics/swift,tkremenek/swift,cbrentharris/swift,adrfer/swift,arvedviehweger/swift,JaSpa/swift,IngmarStein/swift,austinzheng/swift,xwu/swift,parkera/swift,johnno1962d/swift,karwa/swift,jtbandes/swift,lorentey/swift,karwa/swift,glessard/swift,jmgc/swift,mightydeveloper/swift,xwu/swift,huonw/swift,dreamsxin/swift,practicalswift/swift,manavgabhawala/swift,Jnosh/swift,adrfer/swift,roambotics/swift,tinysun212/swift-windows,devincoughlin/swift,lorentey/swift,shahmishal/swift,Jnosh/swift,sschiau/swift,rudkx/swift,russbishop/swift,allevato/swift,slavapestov/swift,shajrawi/swift,gmilos/swift,parkera/swift,parkera/swift,emilstahl/swift,brentdax/swift,Ivacker/swift,adrfer/swift,tjw/swift,jmgc/swift,adrfer/swift,tjw/swift,lorentey/swift,gmilos/swift,therealbnut/swift,tkremenek/swift,cbrentharris/swift,jckarter/swift,tkremenek/swift,jopamer/swift,arvedviehweger/swift,hooman/swift,allevato/swift,jopamer/swift,atrick/swift,SwiftAndroid/swift,deyton/swift,alblue/swift,benlangmuir/swift,practicalswift/swift,gregomni/swift,ken0nek/swift,djwbrown/swift,lorentey/swift,Ivacker/swift,karwa/swift,practicalswift/swift,roambotics/swift,shahmishal/swift,modocache/swift,stephentyrone/swift,djwbrown/swift,shajrawi/swift,xedin/swift,LeoShimonaka/swift,apple/swift,sschiau/swift,djwbrown/swift,danielmartin/swift,ben-ng/swift,sschiau/swift,dduan/swift,xwu/swift,manavgabhawala/swift,kusl/swift,glessard/swift,ben-ng/swift,tjw/swift,danielmartin/swift,jtbandes/swift,khizkhiz/swift,therealbnut/swift,roambotics/swift,russbishop/swift,apple/swift,Ivacker/swift,kentya6/swift,emilstahl/swift,huonw/swift,amraboelela/swift,parkera/swift,devincoughlin/swift,harlanhaskins/swift,tardieu/swift,devincoughlin/swift,devincoughlin/swift,swiftix/swift.old,jckarter/swift,manavgabhawala/swift,ahoppen/swift,dduan/swift,swiftix/swift,deyton/swift,xedin/swift,jckarter/swift,parkera/swift,sdulal/swift,return/swift,MukeshKumarS/Swift,rudkx/swift,shahmishal/swift,felix91gr/swift,alblue/swift,uasys/swift,rudkx/swift,natecook1000/swift,emilstahl/swift,IngmarStein/swift,hooman/swift,OscarSwanros/swift,ahoppen/swift,natecook1000/swift,gribozavr/swift,devincoughlin/swift,harlanhaskins/swift,jopamer/swift,JaSpa/swift,johnno1962d/swift,mightydeveloper/swift,benlangmuir/swift,practicalswift/swift,hughbe/swift,return/swift,austinzheng/swift,swiftix/swift,MukeshKumarS/Swift,natecook1000/swift,glessard/swift,apple/swift,milseman/swift,hooman/swift,khizkhiz/swift,Ivacker/swift,roambotics/swift,khizkhiz/swift,natecook1000/swift,karwa/swift,return/swift,ken0nek/swift,hughbe/swift,amraboelela/swift,ahoppen/swift,felix91gr/swift,airspeedswift/swift,kentya6/swift,nathawes/swift,swiftix/swift.old,modocache/swift,danielmartin/swift,arvedviehweger/swift,sschiau/swift,mightydeveloper/swift,kstaring/swift,alblue/swift,apple/swift,sdulal/swift,gribozavr/swift,codestergit/swift,IngmarStein/swift,shajrawi/swift,tinysun212/swift-windows,rudkx/swift,dduan/swift,arvedviehweger/swift,dduan/swift,kusl/swift,xedin/swift,tinysun212/swift-windows,jopamer/swift,milseman/swift,gregomni/swift,Jnosh/swift,felix91gr/swift,mightydeveloper/swift,adrfer/swift,JaSpa/swift,gribozavr/swift,jckarter/swift,russbishop/swift,xwu/swift,kentya6/swift,nathawes/swift,modocache/swift,mightydeveloper/swift,gribozavr/swift,LeoShimonaka/swift,deyton/swift,codestergit/swift,KrishMunot/swift,karwa/swift,natecook1000/swift,nathawes/swift,russbishop/swift,KrishMunot/swift,ben-ng/swift,zisko/swift,gottesmm/swift,atrick/swift,huonw/swift,cbrentharris/swift,zisko/swift,atrick/swift,shajrawi/swift,brentdax/swift,brentdax/swift,xwu/swift,amraboelela/swift,frootloops/swift,slavapestov/swift,LeoShimonaka/swift,tkremenek/swift,harlanhaskins/swift,OscarSwanros/swift,jckarter/swift,jmgc/swift,emilstahl/swift,nathawes/swift,benlangmuir/swift,deyton/swift,danielmartin/swift,practicalswift/swift,Ivacker/swift,manavgabhawala/swift,milseman/swift,atrick/swift,arvedviehweger/swift,lorentey/swift,ahoppen/swift,jmgc/swift,kentya6/swift,hooman/swift,bitjammer/swift,johnno1962d/swift,atrick/swift,kusl/swift,uasys/swift,swiftix/swift.old,shajrawi/swift,zisko/swift,manavgabhawala/swift,LeoShimonaka/swift,gregomni/swift,brentdax/swift,airspeedswift/swift,johnno1962d/swift,CodaFi/swift,ben-ng/swift,kusl/swift,djwbrown/swift,tardieu/swift,IngmarStein/swift,frootloops/swift,aschwaighofer/swift,brentdax/swift,atrick/swift,slavapestov/swift,milseman/swift,calebd/swift,SwiftAndroid/swift,shahmishal/swift,gribozavr/swift,codestergit/swift,russbishop/swift,lorentey/swift,zisko/swift,harlanhaskins/swift,johnno1962d/swift,codestergit/swift,slavapestov/swift,Ivacker/swift,felix91gr/swift,gottesmm/swift,SwiftAndroid/swift,huonw/swift,codestergit/swift,kperryua/swift,CodaFi/swift,jmgc/swift,adrfer/swift,alblue/swift,roambotics/swift,kstaring/swift,austinzheng/swift,kentya6/swift,gmilos/swift,huonw/swift,CodaFi/swift,ken0nek/swift,aschwaighofer/swift,gregomni/swift,tardieu/swift,LeoShimonaka/swift,shahmishal/swift,amraboelela/swift,stephentyrone/swift,jckarter/swift,kperryua/swift,sschiau/swift,tkremenek/swift,felix91gr/swift,therealbnut/swift,swiftix/swift.old,Jnosh/swift,JGiola/swift,swiftix/swift,harlanhaskins/swift,russbishop/swift,return/swift,manavgabhawala/swift,sdulal/swift,stephentyrone/swift,gribozavr/swift,hughbe/swift,airspeedswift/swift,KrishMunot/swift,hughbe/swift,modocache/swift,sdulal/swift,codestergit/swift,aschwaighofer/swift,swiftix/swift,frootloops/swift,aschwaighofer/swift,SwiftAndroid/swift,practicalswift/swift,glessard/swift,kstaring/swift,kentya6/swift,ken0nek/swift,kusl/swift,xedin/swift,natecook1000/swift,calebd/swift,frootloops/swift,sdulal/swift,gmilos/swift,milseman/swift,OscarSwanros/swift,alblue/swift,jckarter/swift,emilstahl/swift,tardieu/swift,modocache/swift,allevato/swift,shahmishal/swift,harlanhaskins/swift,felix91gr/swift,benlangmuir/swift,khizkhiz/swift,swiftix/swift.old,huonw/swift,gmilos/swift,uasys/swift,tinysun212/swift-windows,zisko/swift,tjw/swift,milseman/swift,deyton/swift,calebd/swift,Jnosh/swift,stephentyrone/swift,ben-ng/swift,natecook1000/swift,therealbnut/swift,parkera/swift,KrishMunot/swift,djwbrown/swift,xedin/swift,slavapestov/swift,dduan/swift,ken0nek/swift,shahmishal/swift,gmilos/swift,mightydeveloper/swift,calebd/swift,dduan/swift,parkera/swift,kentya6/swift,gribozavr/swift,khizkhiz/swift,benlangmuir/swift,therealbnut/swift,gregomni/swift,gribozavr/swift,ahoppen/swift,shajrawi/swift,cbrentharris/swift,kusl/swift,OscarSwanros/swift,xedin/swift,alblue/swift,milseman/swift,MukeshKumarS/Swift,jtbandes/swift,MukeshKumarS/Swift,JaSpa/swift,modocache/swift,sdulal/swift,deyton/swift,xedin/swift,kperryua/swift,amraboelela/swift,gottesmm/swift,emilstahl/swift,slavapestov/swift,allevato/swift,LeoShimonaka/swift,frootloops/swift,dduan/swift,calebd/swift,frootloops/swift,stephentyrone/swift,OscarSwanros/swift,airspeedswift/swift,nathawes/swift,alblue/swift,jmgc/swift,SwiftAndroid/swift,kperryua/swift,gottesmm/swift,OscarSwanros/swift,kstaring/swift,practicalswift/swift,modocache/swift,manavgabhawala/swift,LeoShimonaka/swift,shahmishal/swift,IngmarStein/swift,practicalswift/swift,devincoughlin/swift,rudkx/swift,brentdax/swift,tinysun212/swift-windows,uasys/swift,hughbe/swift,tjw/swift,return/swift,uasys/swift,kstaring/swift,CodaFi/swift,kentya6/swift,russbishop/swift,tjw/swift,aschwaighofer/swift,stephentyrone/swift,dreamsxin/swift,uasys/swift,jtbandes/swift,amraboelela/swift,KrishMunot/swift,IngmarStein/swift,allevato/swift,stephentyrone/swift,adrfer/swift,deyton/swift,mightydeveloper/swift,swiftix/swift.old,aschwaighofer/swift,JaSpa/swift,nathawes/swift,jtbandes/swift,Ivacker/swift,tjw/swift,zisko/swift,tkremenek/swift,austinzheng/swift,Jnosh/swift,OscarSwanros/swift,Ivacker/swift,felix91gr/swift,therealbnut/swift,CodaFi/swift,KrishMunot/swift,kstaring/swift,LeoShimonaka/swift,danielmartin/swift,tardieu/swift,KrishMunot/swift,codestergit/swift,jopamer/swift,JGiola/swift,IngmarStein/swift,cbrentharris/swift,allevato/swift,khizkhiz/swift,JGiola/swift,xedin/swift,swiftix/swift,johnno1962d/swift,aschwaighofer/swift,kusl/swift,swiftix/swift.old,lorentey/swift,hughbe/swift,brentdax/swift,slavapestov/swift,ben-ng/swift,nathawes/swift,karwa/swift,kusl/swift,JGiola/swift,arvedviehweger/swift,jopamer/swift,swiftix/swift,JGiola/swift,sschiau/swift,jmgc/swift,tinysun212/swift-windows,jopamer/swift,bitjammer/swift,kperryua/swift,ahoppen/swift,return/swift,ken0nek/swift,khizkhiz/swift,gmilos/swift,amraboelela/swift,tkremenek/swift,shajrawi/swift,bitjammer/swift,harlanhaskins/swift,jtbandes/swift,swiftix/swift,SwiftAndroid/swift,xwu/swift,SwiftAndroid/swift,gottesmm/swift,tardieu/swift,JaSpa/swift,glessard/swift,arvedviehweger/swift,kperryua/swift,sdulal/swift,devincoughlin/swift,ken0nek/swift,return/swift,CodaFi/swift,xwu/swift,MukeshKumarS/Swift,johnno1962d/swift,airspeedswift/swift,cbrentharris/swift,frootloops/swift,parkera/swift,lorentey/swift,austinzheng/swift,bitjammer/swift,gottesmm/swift,apple/swift,bitjammer/swift,cbrentharris/swift,cbrentharris/swift,gottesmm/swift,sschiau/swift,JaSpa/swift,zisko/swift,therealbnut/swift,bitjammer/swift,apple/swift,shajrawi/swift,danielmartin/swift,kstaring/swift,hughbe/swift,mightydeveloper/swift,benlangmuir/swift,Jnosh/swift,emilstahl/swift,airspeedswift/swift,hooman/swift,karwa/swift,huonw/swift,allevato/swift,MukeshKumarS/Swift,gregomni/swift,calebd/swift,emilstahl/swift,hooman/swift,calebd/swift,sschiau/swift,rudkx/swift,austinzheng/swift,djwbrown/swift,CodaFi/swift,bitjammer/swift,ben-ng/swift,jtbandes/swift,tinysun212/swift-windows,hooman/swift,tardieu/swift,kperryua/swift,glessard/swift,JGiola/swift,airspeedswift/swift,austinzheng/swift,devincoughlin/swift,djwbrown/swift