__ __ _ _ _ _
\ \ / /__| |_ / \ _ __ ___ | |_| |__ ___ _ __
\ V / _ \ __| / _ \ | '_ \ / _ \| __| '_ \ / _ \ '__|
| | __/ |_ / ___ \| | | | (_) | |_| | | | __/ |
|_|\___|\__| /_/ \_\_| |_|\___/ \__|_| |_|\___|_|
_ __ __
___ ___| |__ ___ / / __ ___ __\ \
/ __|/ __| '_ \ / _ \ | '_ ` _ \ / _ \ |
\__ \ (__| | | | __/ | | | | | | __/ |
|___/\___|_| |_|\___| |_| |_| |_|\___| |
\_\ /_/
___ _ _
|_ _|_ __ | |_ ___ _ __ _ __ _ __ ___| |_ ___ _ __
| || '_ \| __/ _ \ '__| '_ \| '__/ _ \ __/ _ \ '__|
| || | | | || __/ | | |_) | | | __/ || __/ |
|___|_| |_|\__\___|_| | .__/|_| \___|\__\___|_|
|_|
Usage:
-t, --tests Run tests
-c expr Evaluate expression (in quotes)
Roadmap:
[x] Write a simple parser (without nesting).
[x] Fix the bug that invalidates pointers in Arena. Introduce ChainedArena.
[x] Switch from Arena to simple memory tracker (as GNU C Library already has Arenas under the hood).
[x] Make a usable calculator.
[x] Add 0xdeadbeef and 0777 :)
[x] Add nesting to the parser.
[x] Add n-variable functions.
[ ] Running code from a file.
[ ] User defined functions.
[ ] Useful data types:
[ ] Real numbers support.
[ ] Big numbers support.
[ ] ...