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Merge pull request #611 from Golmote/prism-brainfuck
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Add support for Brainfuck
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LeaVerou committed Jun 28, 2015
2 parents 670d5af + 82dbbdf commit 3ede718
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4 changes: 4 additions & 0 deletions components.js
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Expand Up @@ -84,6 +84,10 @@ var components = {
"require": "clike",
"owner": "zeitgeist87"
},
"brainfuck": {
"title": "Brainfuck",
"owner": "Golmote"
},
"c": {
"title": "C",
"require": "clike",
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20 changes: 20 additions & 0 deletions components/prism-brainfuck.js
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Prism.languages.brainfuck = {
'pointer': {
pattern: /<|>/,
alias: 'keyword'
},
'increment': {
pattern: /\+/,
alias: 'inserted'
},
'decrement': {
pattern: /-/,
alias: 'deleted'
},
'branching': {
pattern: /\[|\]/,
alias: 'important'
},
'operator': /[.,]/,
'comment': /\S+/
};
1 change: 1 addition & 0 deletions components/prism-brainfuck.min.js

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40 changes: 40 additions & 0 deletions examples/prism-brainfuck.html
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<h1>Brainfuck</h1>
<p>To use this language, use the class "language-brainfuck".</p>

<h2>Full example</h2>
<pre><code>+++++ +++ Set Cell #0 to 8
[
>++++ Add 4 to Cell #1; this will always set Cell #1 to 4
[ as the cell will be cleared by the loop
>++ Add 2 to Cell #2
>+++ Add 3 to Cell #3
>+++ Add 3 to Cell #4
>+ Add 1 to Cell #5
<<<<- Decrement the loop counter in Cell #1
] Loop till Cell #1 is zero; number of iterations is 4
>+ Add 1 to Cell #2
>+ Add 1 to Cell #3
>- Subtract 1 from Cell #4
>>+ Add 1 to Cell #6
[<] Move back to the first zero cell you find; this will
be Cell #1 which was cleared by the previous loop
<- Decrement the loop Counter in Cell #0
] Loop till Cell #0 is zero; number of iterations is 8

The result of this is:
Cell No : 0 1 2 3 4 5 6
Contents: 0 0 72 104 88 32 8
Pointer : ^

>>. Cell #2 has value 72 which is 'H'
>---. Subtract 3 from Cell #3 to get 101 which is 'e'
+++++++..+++. Likewise for 'llo' from Cell #3
>>. Cell #5 is 32 for the space
<-. Subtract 1 from Cell #4 for 87 to give a 'W'
<. Cell #3 was set to 'o' from the end of 'Hello'
+++.------.--------. Cell #3 for 'rl' and 'd'
>>+. Add 1 to Cell #5 gives us an exclamation point
>++. And finally a newline from Cell #6</code></pre>

<h2>One-line example</h2>
<pre><code>++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.</code></pre>

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