When completed this is supposed to be able to interpret brainfuck code as well as compiling it to native code.
| Instruction | Definition |
|---|---|
| > | Increment the data pointer by one (to point to the next cell to the right). |
| < | Decrement the data pointer by one (to point to the next cell to the left). |
| + | Increment the byte at the data pointer by one. |
| - | Decrement the byte at the data pointer by one. |
| . | Output the byte at the data pointer. |
| , | Accept one byte of input, storing its value in the byte at the data pointer. |
| [ | If the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching ] command. |
| ] | If the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [ command. |
Anything following a // is considered a comment and ignored.
This can process brainfuck programs in the two following ways
A given brainfuck program can be interpreted via the interpret CLI subcommand:
./bf-compiler interpret [OPTIONS] <path-to-program>The interpret subcommand provides additional options such as a --debug flag.
Check the usage instructions via the --help flag for more information.
Next to interpretation, this tool is able to compile a given brainfuck program into native code.
More specifically, it generates the corresponding assembly for each instruction and then uses an assembler
(e.g. as on macOS) and linker (e.g ld) to create an executable binary.
To compile a program, run the following command
./bf-compiler compile [OPTIONS] <path-to-program> <output-directory>This will generate an executable with the same name as the input file in the <output-directory>
Similar to the interpret subcommand, this command also provides additional options such as a --run flag.
Check the usage instructions via the --help flag for more information.
NOTE: Native compilation is currently only supported for Apple silicon.
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