lc3asm

LC-3 assembly code parser & assembler Copyright (C) 2019 Nam Jeonghyun. (ska827@snu.ac.kr)

Installation

cargo install lc3asm

Assembly language parser

lc3asm::AsmParser and lc3asm::Rule provides an assembly parser and rules. Parser grammar follows definitions from Introduction to Computing Systems: From Bits and Gates to C and Beyond. Plus, some features are added:

• UTF-8 string literal support(currently panics if non UTF-8 file is given)
• Backslash escape sequence("\\"/"\r"/"\n"/"\t"/"\b"/"\f"/"\u00A9") support in string literal
  • Note that unicode escape sequence requires exactly four hexadecimal numbers for each character.
• Elegant syntax error reporting(powered by Pest)
• For compatiability issues, decimal literal without # is accepted for immediate values, but this could be removed in the future.