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  1. import std.stdio;
  2.  
  3. string compile(string code) {
  4.     auto result = "";
  5.     foreach (c; code) {
  6.         switch (c) {
  7.         case '>': result ~= "++p;"; break;
  8.         case '<': result ~= "--p;"; break;
  9.         case '+': result ~= "++*p;"; break;
  10.         case '-': result ~= "--*p;"; break;
  11.         case '.': result ~= "write(cast(char) *p);"; break;
  12.         case ',': result ~= "readf(\"%c\", cast(char*) p);"; break;
  13.         case '[': result ~= "while (*p) {"; break;
  14.         case ']': result ~= "}"; break;
  15.         default: break;
  16.         }
  17.     }
  18.     return "{ byte[30000] buffer; byte* p = &buffer[0]; " ~ result ~ "}";
  19. }
  20.  
  21. void main() {
  22.     mixin(compile("++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>."));
  23. }
  24.  
Success #stdin #stdout 0.02s 2120KB
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stdin
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Standard input is empty
stdout
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Hello World!
https://ideone.com/s99ahu
language:
D (dmd 2.085.0)
created:
12 years ago
visibility:
public

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