Re: C compilation principle

[David Rysdam]

Some hints:

1) Never email Linus Torvalds with newbie questions, especially when
they aren't related to the Linux kernel.

2) For parsing, lookup "finite state machines" and the C function
strtok()

3) For evaluation, lookup "binary (or N-ary) tree".  You will also want
to know about "stacks" and "prefix, postfix and infix notation".

Also, there is almost certainly source code available on the net that
will deal with arbitrary logical expressions.