I think Generation is one stage, and Compiling is another, it seems you are trying to mix them.
There is BuildAutomator from Icetips.
Regarding the second part, actually Dave Nichols presented his Memory Allocator on Clarion 9 & 10 newsgroups on December 2015, and donated it to the community, then Brahn reposted some parts here A wrapper class for "Faster memory allocator"
About calling by address and the technique used, it relies on some assumptions to work. It justs passes the control to the address on the first parameter, so the called funtion receives one extra parameter that has to ignore. On return is gets back directly to the original caller. They have five LONG parameters, which as with Clarion calling convention, four are passed on the registers and one on the stack