https://github.com/steveklabnik/grok

Fun with compilers, interpreters and such.
https://github.com/steveklabnik/grok

Last synced: 7 days ago
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Fun with compilers, interpreters and such.

• Host: GitHub
• URL: https://github.com/steveklabnik/grok
• Owner: steveklabnik
• Created: 2015-11-16T00:10:44.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2015-11-16T23:07:26.000Z (about 9 years ago)
• Last Synced: 2024-12-01T19:36:25.274Z (22 days ago)
• Language: Rust
• Homepage: https://github.com/steveklabnik/grok
• Size: 21.5 KB
• Stars: 8
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Grok

Fun with compilers, interpereters, and such.

## Language

Grok is a few things:

1. A simple language. Integer, plus or minus, then integer.

2. An interpreter/emulator. Kinda looks like a made-up CPU.

3. The assembly/bytecode for that CPU.

## Commands

* `rungrok`: take a grok program and run it

* `grokc`: take a grok program and spit out assembly/bytecode

* `grok`: take assembly/bytecode and execute it

* `grokdb`: take assembly/bytecode and step through like a debugger

## Instructions

`grok` is a machine with three registers, `a`, `b`, and `c`. There’s also a

program counter, `pc`, that you can just observe, not do anything with. Yet.

Instructions:

* `set reg val`: set the register `reg` to the value `val`

* `set reg1 reg2`: set the register `reg1` to the value of `reg2`

* `increment reg`: increment the register `reg`

* `decrement reg`: decrement the register `reg`

That’s it, for now.