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Execute Brain****/D: Difference between revisions
Version 3 D updated
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(Version 3 D updated) |
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Line 176:
}</lang>
==
Faster partially compile-time version (code generated at compile-time, run at run time):
<lang d>import core.stdc.stdio, core.stdc.stdlib;
string r;
foreach (c; code)
switch (c) {
case '>': r ~= "i++; assert(i < m.length);"; break;
case '<': r ~= "i--; assert(i >= 0);"; break;
case '+': r ~= "m[i]++;"; break;
case '-': r ~= "m[i]--;"; break;
case '[': r ~= "while (m[i]) {"; break;
case ']': r ~= "}"; break;
case '.': r ~= "putchar(m[i]);"; break;
case ',': r ~= "{ int d = getchar();
if (d == EOF) exit(1);
m[i] = cast(char)d; }";
default: break;
}
return r;
}
void main() {
char[30_000] m = '\0';
size_t i;
mixin(ctbf("++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++
++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>."));
}</lang>
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