Code generation (compiler) AST TREE concrete CST table compiling to machine code

 https://en.wikipedia.org/wiki/Comparison_of_code_generation_tools

https://en.wikipedia.org/wiki/Code_generation_(compiler)

https://datacadamia.com/code/compiler/code_generation

https://datacadamia.com/code/compiler/cst

https://en.wikipedia.org/wiki/Source-to-source_compiler

https://en.wikipedia.org/wiki/P-code_machine

https://en.wikipedia.org/wiki/Bytecode