A lexical analyzer, recursive descent parser, and interactive interpreter for the programming language Dugong.
The grammar for Dugong (see parseit.lua) was defined by Dr. Glenn G. Chappel. Unit tests and the REPL/Shell (dugong.lua) also by Dr. Chappell.
Requires Lua.
Lua may be installed with:
curl -R -O http://www.lua.org/ftp/lua-5.3.5.tar.gz
tar zxf lua-5.3.5.tar.gz
cd lua-5.3.5
make linux test
Alternatively, see https://www.lua.org/download.html
To execute a Dugong program from source:
./dugong.lua DUGONG_SOURCEFILE
Ex: ./dugong.lua dugong_examples/fibo.du
To start an interactive interpreter session:
./dugong.lua
To execute a Dugong program from source:
lua dugong.lua DUGONG_SOURCEFILE
Ex: lua dugong.lua dugong_examples/fibo.du
To start an interactive interpreter session:
lua dugong.lua