[ASTManger] Refactor parameter mangling code a bit based on feedback
[ASTManger] Refactor parameter mangling code a bit based on feedback

apple/swift,lorentey/swift,shajrawi/swift,gribozavr/swift,stephentyrone/swift,benlangmuir/swift,airspeedswift/swift,lorentey/swift,rudkx/swift,xwu/swift,benlangmuir/swift,airspeedswift/swift,devincoughlin/swift,roambotics/swift,practicalswift/swift,roambotics/swift,lorentey/swift,shajrawi/swift,sschiau/swift,CodaFi/swift,parkera/swift,ahoppen/swift,xwu/swift,harlanhaskins/swift,jckarter/swift,glessard/swift,JGiola/swift,stephentyrone/swift,lorentey/swift,allevato/swift,apple/swift,stephentyrone/swift,JGiola/swift,sschiau/swift,danielmartin/swift,shahmishal/swift,devincoughlin/swift,rudkx/swift,ahoppen/swift,airspeedswift/swift,nathawes/swift,allevato/swift,austinzheng/swift,austinzheng/swift,ahoppen/swift,atrick/swift,practicalswift/swift,stephentyrone/swift,amraboelela/swift,JGiola/swift,CodaFi/swift,sschiau/swift,airspeedswift/swift,nathawes/swift,gribozavr/swift,harlanhaskins/swift,xedin/swift,JGiola/swift,austinzheng/swift,harlanhaskins/swift,glessard/swift,tkremenek/swift,devincoughlin/swift,austinzheng/swift,jmgc/swift,tkremenek/swift,tkremenek/swift,karwa/swift,shahmishal/swift,rudkx/swift,jckarter/swift,harlanhaskins/swift,karwa/swift,xedin/swift,gribozavr/swift,xedin/swift,jckarter/swift,parkera/swift,parkera/swift,atrick/swift,allevato/swift,xwu/swift,CodaFi/swift,hooman/swift,xedin/swift,jckarter/swift,jckarter/swift,harlanhaskins/swift,austinzheng/swift,nathawes/swift,apple/swift,shajrawi/swift,nathawes/swift,xedin/swift,hooman/swift,benlangmuir/swift,xwu/swift,stephentyrone/swift,sschiau/swift,shahmishal/swift,danielmartin/swift,nathawes/swift,gribozavr/swift,sschiau/swift,xwu/swift,jmgc/swift,karwa/swift,aschwaighofer/swift,roambotics/swift,karwa/swift,devincoughlin/swift,amraboelela/swift,apple/swift,roambotics/swift,danielmartin/swift,shajrawi/swift,jckarter/swift,hooman/swift,rudkx/swift,parkera/swift,practicalswift/swift,hooman/swift,amraboelela/swift,aschwaighofer/swift,shajrawi/swift,gregomni/swift,JGiola/swift,amraboelela/swift,gregomni/swift,practicalswift/swift,danielmartin/swift,roambotics/swift,glessard/swift,apple/swift,shahmishal/swift,danielmartin/swift,tkremenek/swift,harlanhaskins/swift,sschiau/swift,gribozavr/swift,practicalswift/swift,gribozavr/swift,hooman/swift,glessard/swift,practicalswift/swift,atrick/swift,shajrawi/swift,glessard/swift,aschwaighofer/swift,ahoppen/swift,nathawes/swift,jckarter/swift,gregomni/swift,hooman/swift,atrick/swift,austinzheng/swift,austinzheng/swift,jmgc/swift,jmgc/swift,jmgc/swift,benlangmuir/swift,karwa/swift,aschwaighofer/swift,parkera/swift,rudkx/swift,airspeedswift/swift,aschwaighofer/swift,tkremenek/swift,amraboelela/swift,allevato/swift,karwa/swift,amraboelela/swift,CodaFi/swift,CodaFi/swift,gribozavr/swift,shahmishal/swift,parkera/swift,airspeedswift/swift,airspeedswift/swift,devincoughlin/swift,hooman/swift,devincoughlin/swift,ahoppen/swift,atrick/swift,shahmishal/swift,gregomni/swift,atrick/swift,allevato/swift,stephentyrone/swift,benlangmuir/swift,CodaFi/swift,stephentyrone/swift,karwa/swift,xedin/swift,lorentey/swift,xedin/swift,nathawes/swift,danielmartin/swift,shahmishal/swift,jmgc/swift,devincoughlin/swift,shajrawi/swift,tkremenek/swift,xwu/swift,gregomni/swift,lorentey/swift,aschwaighofer/swift,ahoppen/swift,apple/swift,glessard/swift,harlanhaskins/swift,aschwaighofer/swift,rudkx/swift,parkera/swift,allevato/swift,lorentey/swift,practicalswift/swift,lorentey/swift,karwa/swift,allevato/swift,parkera/swift,benlangmuir/swift,sschiau/swift,danielmartin/swift,sschiau/swift,shahmishal/swift,jmgc/swift,xwu/swift,tkremenek/swift,practicalswift/swift,JGiola/swift,amraboelela/swift,devincoughlin/swift,shajrawi/swift,gregomni/swift,xedin/swift,roambotics/swift,gribozavr/swift,CodaFi/swift