How to build our own programming infrastructure?

Question

just like c#

Answer 1

study compiler theory
1) go hard
make a program that will convert your codes to assembly
make a program that will execute assembly

2) go less hard
make a program that will generate bytecodes for your program
make a program that will execute the bytecodes

3) go fun
make a program that will execute your instructions on the fly

see available tools if you don't want to make all from scratch

https://www.sololearn.com/Discuss/577436/?ref=app
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i can reply you in details but better join our server

Answer 2

Study compiler design.

You can use JVM or .net framework to your advantage.