Basic calculator

Requirements

Please install peg/leg manually or with Homebrew:

$ brew install peg

Please install the Boehm-Demers-Weiser conservative garbage collector manually or with Homebrew:

$ brew install bdw-gc

Build

$ make

Usage

$ echo "a=2+3 a*2" | ./calc

Tests

Simple tests:

$ ./test.sh

Custom test:

$ ./calc < test.txt