Brainstorm
An optimized and extended Brainfuck interpreter
Brainstorm is an easy-to-use library for fast executing an extended version of Brainfuck. Links:
Some optimization ideas:
Usage
Build: make
Run: ./bin/brainstorm.exe path/to/script.txt
Syntax
+ - . , < > [ ] do the same things as in Brainfuck. Any non-command symbols are ignored.
New:
!-- works like . but prints the numeric value of current cell;?-- works like , but prompts a number to current cell;%...%-- comment; everything is ignored inside. Example:+ %+% +increments current cell only 2 times;$and&-- virtual console switches;$enters console mode and&exits the mode.
In virtual console mode all characters are put/got from the command line. After printing a null character to command line, all printed text is treated as command.
Built-in commands:
-
fread x-- puts contents of file x to the cmd line; a terminating null character is put at the end -
fwrite x "d"-- puts d into file x; the double quotes are required and can not be escaped -
color f b-- changes console color; f is foreground color; b is background color. Available colors:- black
- red
- green
- yellow
- blue
- magenta
- cyan
- white
On Windows OS also these colors are available:
- darkblue
- darkgreen
- darkcyan
- darkred
- darkmagenta
- darkyellow
- grey
- darkgrey
Example program
% This Brainstorm program writes "Hello, world!" into result.txt %
$ % switch to command line mode %
% fwrite result.txt "Hello, world!"\0 %
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++.+++++++++++++++++.-----.-----
----.+++++++++++.---------------.---------------------------------
------------------------------------.+++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++++++.------------
-.++++++++++++++.++.---------.++++++++.---------------------------
-------------------------------------------.++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++++++++++.++++.----.-------
------------------------------------------------------------------
-----------.++.++++++++++++++++++++++++++++++++++++++.++++++++++++
+++++++++++++++++.+++++++..+++.-----------------------------------
--------------------------------.------------.++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+.--------.+++.------.--------.-----------------------------------
--------------------------------.+.[-].
& % switch to console mode %