shithub: moonfish

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improve minification

kinda ugly, but the compressed code is smaller (and continues to work)

--- a/minify.sh

+++ b/minify.sh

@@ -55,9 +55,41 @@

 # remove duplicate lines (for '#include')

 awk '!x[$0]++' |

-# replace 'moonfish_' prefix with 'M'

-sed 's/\bmoonfish_/M/g' |

+# replace common words

+sed 's/\(\b\|_\)moonfish\(\b\|_\)/_F_/g' |

+sed 's/\(\b\|_\)white\(\b\|_\)/_W_/g' |

+sed 's/\(\b\|_\)black\(\b\|_\)/_Y_/g' |

+sed 's/\(\b\|_\)pawn\(\b\|_\)/_P_/g' |

+sed 's/\(\b\|_\)knight\(\b\|_\)/_L_/g' |

+sed 's/\(\b\|_\)bishop\(\b\|_\)/_B_/g' |

+sed 's/\(\b\|_\)rook\(\b\|_\)/_R_/g' |

+sed 's/\(\b\|_\)queen\(\b\|_\)/_Q_/g' |

+sed 's/\(\b\|_\)king\(\b\|_\)/_K_/g' |

+sed 's/\(\b\|_\)chess\(\b\|_\)/_X_/g' |

+sed 's/\(\b\|_\)score\(\b\|_\)/_S_/g' |

+sed 's/\(\b\|_\)board\(\b\|_\)/_D_/g' |

+sed 's/\(\b\|_\)castle\(\b\|_\)/_O_/g' |

+sed 's/\(\b\|_\)move\(\b\|_\)/_M_/g' |

+sed 's/\(\b\|_\)moves\(\b\|_\)/_N_/g' |

+sed 's/\(\b\|_\)from\(\b\|_\)/_A_/g' |

+sed 's/\(\b\|_\)to\(\b\|_\)/_Z_/g' |

+sed 's/\(\b\|_\)piece\(\b\|_\)/_G_/g' |

+sed 's/\(\b\|_\)promotion\(\b\|_\)/_H_/g' |

+sed 's/\(\b\|_\)color\(\b\|_\)/_C_/g' |

+sed 's/\(\b\|_\)captured\(\b\|_\)/_R_/g' |

+sed 's/\(\b\|_\)empty\(\b\|_\)/_E_/g' |

+sed 's/\(\b\|_\)type\(\b\|_\)/_T_/g' |

+sed 's/\(\b\|_\)outside\(\b\|_\)/_J_/g' |

+# collapse underscores

+sed 's/_\+/_/g' |

+sed 's/\b_//g' |

+sed 's/_\b//g' |

+

+# restore significant underscore

+# (hacky, but it works)

+sed 's/\(SC_NPROCESSORS_ONLN\)/_\1/g' |

+

 # store the result into a file

 tee moonfish.c |

@@ -68,7 +100,7 @@

 cat - moonfish.c.xz > moonfish.sh << END

 #!/bin/sh

 t=\`mktemp\`

-tail -n +5 "\$0"|xz -d|cc -march=native -O3 -o \$t -xc - -pthread

+tail -n +5 "\$0"|xz -d|gcc -march=native -O3 -o \$t -xc - -pthread

 (sleep 3;rm \$t)&exec \$t

 END

 chmod +x moonfish.sh

-- 

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