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https://github.com/augustt198/bf4jvm

Last synced: about 2 months ago
JSON representation

Host: GitHub
URL: https://github.com/augustt198/bf4jvm
Owner: augustt198
Created: 2015-01-10T19:39:37.000Z (almost 10 years ago)
Default Branch: master
Last Pushed: 2015-01-13T18:04:36.000Z (almost 10 years ago)
Last Synced: 2023-08-02T15:35:18.293Z (over 1 year ago)
Language: Java
Size: 268 KB
Stars: 0
Watchers: 2
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

Awesome Lists containing this project

README

        # bf4jvm

Brainf#@k for the JVM.

### Options

- `-Dstacksize=xxx` - sets the stack size (number of cells)

- `-Doptimize=true` - enables optimization

### Hello World!

Input:

```

++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.

```

Decompiled `class` file:

```java

public void run() throws IOException {

    byte[] var1 = new byte[10000];

    int var2 = 0;

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    while(var1[var2] != 0) {

        ++var2;

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var2;

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var2;

        ++var1[var2];

        ++var1[var2];

        ++var1[var2];

        ++var2;

        ++var1[var2];

        --var2;

        --var2;

        --var2;

        --var2;

        var1[var2] += -1;

    }

    ++var2;

    ++var1[var2];

    ++var1[var2];

    System.out.print((char)var1[var2]);

    ++var2;

    ++var1[var2];

    System.out.print((char)var1[var2]);

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    System.out.print((char)var1[var2]);

    System.out.print((char)var1[var2]);

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    System.out.print((char)var1[var2]);

    ++var2;

    ++var1[var2];

    ++var1[var2];

    System.out.print((char)var1[var2]);

    --var2;

    --var2;

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    System.out.print((char)var1[var2]);

    ++var2;

    System.out.print((char)var1[var2]);

    ++var1[var2];

    ++var1[var2];

    ++var1[var2];

    System.out.print((char)var1[var2]);

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    System.out.print((char)var1[var2]);

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    var1[var2] += -1;

    System.out.print((char)var1[var2]);

    ++var2;

    ++var1[var2];

    System.out.print((char)var1[var2]);

    ++var2;

    System.out.print((char)var1[var2]);

}

```