In Chapter 1, we built a simple interpreter for Brainfuck, a minimalist, esoteric language. But Brainfuck is just a toy; while we could solve real problems in Brainfuck, we wouldn’t actually want to. There are other programming languages that aren’t much more complex than Brainfuck yet are “real” in the sense that regular programmers actually use(d) them for their day-to-day work. In this chapter, we’ll build an interpreter for one such language, NanoBASIC, and we’ll learn more about how interpreters work in the process.
While Brainfuck has just eight commands, NanoBASIC, a pared-down dialect of BASIC, has ...
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