06.04.2022 - Compiling IF statement

If statements and function are the tricky thing to me, now I have to add label support, a label is also a statement that has the form of:

Ideally, the instruction list will be able to keep track of the label position, so it can jump to a label at any time….

Read more ->

05.20.2022 - Adding symbol table

Not much for today, just adding some unit tests and implement a symbol table during the compilation process. The way it works is pretty much like the Constant Table that was mentioned yesterday.

If we have a let statement like in the following example, after the compilation process, the STORE_NAME opcode will be generated with the address of the a symbol….

Read more ->

05.19.2022 - Work in progress compiling logic

Started working on compiling logic, at this point, the compiler is capable of generating the opcode for the print, let statement and some arithmetic operators.

…

Read more ->

05.18.2022 - Generating parser code with PeggyJS

For this project, I’ll just use a generator to create parser code, as I want to focus on the bytecode virtual machine.

PeggyJS is the best generator I could find for now, it even supports TypeScript, this mean, we can control the return type for each non-terminals….

Read more ->