Create the code

extern putchard(char);lenadefines printstar(n)  lenarepeat i = 1, i < n, 1.0 in    putchard(42);  lenadefines fib(x)  lenaif x < 3 lenathen    1  lenaelse    fib(x-1)+fib(x-2);printstar(100);fib(2);fib(4);fib(5);fib(6);

Run

./lena code_example.lena

Try it

How to install llvm on ubuntu

Compile the lang

cd srcclang++ -Xlinker --export-dynamic -g lena.cpp `llvm-config --cxxflags --ldflags --system-libs --libs core orcjit native` -O3 -o lena