https://github.com/eddymens/brainkfuck-php-methodchain
Implementation of BrainFuck using a PHP method chain
https://github.com/eddymens/brainkfuck-php-methodchain
brainfuck brainfuck-interpreter method-chaining php
Last synced: 2 months ago
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Implementation of BrainFuck using a PHP method chain
- Host: GitHub
- URL: https://github.com/eddymens/brainkfuck-php-methodchain
- Owner: EDDYMENS
- License: apache-2.0
- Created: 2017-05-14T00:47:42.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2017-05-14T06:32:54.000Z (about 8 years ago)
- Last Synced: 2024-10-06T03:42:07.462Z (8 months ago)
- Topics: brainfuck, brainfuck-interpreter, method-chaining, php
- Language: PHP
- Size: 12.7 KB
- Stars: 1
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# brainkFuck-PHP-methodChain
Implementation of BrainFUck using a PHP method chain
For some reason I felt like implementing the brainFUck language using a method chain instead of using some lexer and parser.
At least this gives it the speed of executing a normal PHP file plus this is way easy to do compared to dealing with lexers and parsers.
## Want to run this ?
- First make sure you have good old PHP installed.
- Next cd into the brainFuck-PHP-methodChain dir and start the inbuilt PHP server `php -S localhost:5050`.
- Feel free to edit the `Hello World! ` example or just write your own.
## BrainFUck Syntax
- `->shiftFwd()` or `->shiftFwd(n)` decreament the data pointer (by one or n respectively) to point to the next cell to the right.
- `->shiftBck()` or `->shiftBck(n)` decrement the data pointer (by one or n respectively) to point to the next cell to the left.
- `->inc()` or - `->inc(n)` increment (increase by one or n respectively) the byte at the data pointer.
- `->dec()` or - `->dec(n)` (decrease by one or n respectively) the byte at the data pointer.
- `->output()` output the byte at the data pointer. Also pass in false to mute output.
- `->input()` accept one byte of input, storing its value in the byte at the data pointer.
- `->label('sample_label')` 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 `->jmp('sample_label')` command.
- `->jmp('sample_label')` 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 `->label()` command.