lexer-parser-in-lua

This is for a programming languages class I'm in. Both assignments have already been turned in for the class, so I'm uploading my submissions here for my own future reference (not for cheating).

lexit.lua is the lexer I wrote. lexit_test.lua is the test for the lexer (written by my professor). spt15.lua is the parser I wrote. spt15_test.lua is the test for the parser (written by my professor).

You should use at least Lua 5.2 for all of this.