== Scripto2 ==
Small test script langage, v0.2.

= Features =
[X] Lexer
[X] Parser
[X] Pretty-printer
[X] Interpreter

= Prerequisites =
- GNU/Linux
- g++
- make

= Compile =
`make`

= Use =
`./main`
Enter some code and type enter it will show the AST pretty-printed.
Type `Ctrl+D` to exit.

= Grammar =
exps :== { exp }
exp :== /* print values */
        'print' value
        /* assignment */
      | lvalue '=' value
        /* function definition and function call */
      | 'function' name '{' exps '}'
      | name '(' ')'
        /* control structures */
      | 'if' '(' value '==' value ')' '{' exps '}' [ 'else' '{' exps '}' ]
        /* loops */
      | 'repeat' '(' num ')' '{' exps '}'
value  :== lvalue
         | rvalue
lvalue :== name
rvalue :== name
         | num
         | string

num :== [0-9]\+
name :== [a-zA-Z][a-zA-Z0-9_]*
string :== "[a-aA-Z0-9_]+"

All tokens must be separated by spaces (' ', '\n' or '\t).

= Usage =
./scripto2 <filename>
or
./scripto2, then enter code, then ctrl+D

= Sheebang =
Scripto2 accepts an eventual '#' on the first line of the file, if it finds it, it skips the first line.

= Authors =
Exifers,
July 2018