From 6570a0c146f1e72fe3e8561978c01c8a9cd73ee3 Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Fri, 4 Dec 2020 22:57:15 -0800 Subject: 7332 - advent day 4 done The code is shit and I can't be arsed to clean it up. But it was a useful exercise given the bugs and gaps it caught in Mu. --- apps/advent2020/4b.mu | 128 ++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 124 insertions(+), 4 deletions(-) (limited to 'apps/advent2020') diff --git a/apps/advent2020/4b.mu b/apps/advent2020/4b.mu index ffeddb32..8625ff93 100644 --- a/apps/advent2020/4b.mu +++ b/apps/advent2020/4b.mu @@ -67,15 +67,18 @@ fn main -> _/ebx: int { var byr?/eax: boolean <- slice-equal? key-slice, "byr" compare byr?, 0 # false break-if-= + # 1920 <= byr <= 2002 var byr/eax: int <- parse-decimal-int-from-slice val-slice compare byr, 0x780 # 1920 { break-if->= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } compare byr, 0x7d2 # 2002 { break-if-<= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } } @@ -84,15 +87,18 @@ fn main -> _/ebx: int { var iyr?/eax: boolean <- slice-equal? key-slice, "iyr" compare iyr?, 0 # false break-if-= + # 2010 <= iyr <= 2020 var iyr/eax: int <- parse-decimal-int-from-slice val-slice compare iyr, 0x7da # 2010 { break-if->= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } compare iyr, 0x7e4 # 2020 { break-if-<= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } } @@ -101,14 +107,18 @@ fn main -> _/ebx: int { var eyr?/eax: boolean <- slice-equal? key-slice, "eyr" compare eyr?, 0 # false break-if-= - compare iyr, 0x7e4 # 2020 + # 2020 <= eyr <= 2030 + var eyr/eax: int <- parse-decimal-int-from-slice val-slice + compare eyr, 0x7e4 # 2020 { break-if->= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } - compare iyr, 0x7ee # 2030 + compare eyr, 0x7ee # 2030 { break-if-<= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } } @@ -117,12 +127,117 @@ fn main -> _/ebx: int { var hgt?/eax: boolean <- slice-equal? key-slice, "hgt" compare hgt?, 0 # false break-if-= + # convert val + var s: (handle array byte) + var s2/eax: (addr handle array byte) <- address s + _slice-to-string val-slice, s2 + var s3/eax: (addr array byte) <- lookup *s2 + var s4/ebx: (addr array byte) <- copy s3 + # check suffix + var start/edx: int <- length s4 + start <- subtract 2 # luckily both 'in' and 'cm' have the same length + { + var suffix-h: (handle array byte) + var suffix-ah/ecx: (addr handle array byte) <- address suffix-h + substring s4, start, 2, suffix-ah + var suffix/eax: (addr array byte) <- lookup *suffix-ah + { + var match?/eax: boolean <- string-equal? suffix, "in" + compare match?, 0 # false + break-if-= + # if suffix is "in", 59 <= val <= 96 + var num-h: (handle array byte) + var num-ah/ecx: (addr handle array byte) <- address num-h + substring s4, 0, start, num-ah + var num/eax: (addr array byte) <- lookup *num-ah + var val/eax: int <- parse-decimal-int num + compare val, 0x3b # 59 + { + break-if->= + print-string 0, "invalid\n" + curr-passport-field-count <- copy 8 + } + compare val, 0x60 # 96 + { + break-if-<= + print-string 0, "invalid\n" + curr-passport-field-count <- copy 8 + } + loop $main:word-loop + } + { + var match?/eax: boolean <- string-equal? suffix, "cm" + compare match?, 0 # false + break-if-= + # if suffix is "cm", 150 <= val <= 193 + var num-h: (handle array byte) + var num-ah/ecx: (addr handle array byte) <- address num-h + substring s4, 0, start, num-ah + var num/eax: (addr array byte) <- lookup *num-ah + var val/eax: int <- parse-decimal-int num + compare val, 0x96 # 150 + { + break-if->= + print-string 0, "invalid\n" + curr-passport-field-count <- copy 8 + } + compare val, 0xc1 # 193 + { + break-if-<= + print-string 0, "invalid\n" + curr-passport-field-count <- copy 8 + } + loop $main:word-loop + } + print-string 0, "invalid\n" + curr-passport-field-count <- copy 8 + loop $main:word-loop + } } # hcl { var hcl?/eax: boolean <- slice-equal? key-slice, "hcl" compare hcl?, 0 # false break-if-= + # convert val + var s: (handle array byte) + var s2/eax: (addr handle array byte) <- address s + _slice-to-string val-slice, s2 + var s3/eax: (addr array byte) <- lookup *s2 + # check length + var len/ebx: int <- length s3 + compare len, 7 + { + break-if-= + print-string 0, "invalid\n" + curr-passport-field-count <- copy 8 + loop $main:word-loop + } + # check first byte + { + var c/eax: (addr byte) <- index s3, 0 + var c2/eax: byte <- copy-byte *c + compare c2, 0x23 # '#' + break-if-= + print-string 0, "invalid2\n" + curr-passport-field-count <- copy 8 + loop $main:word-loop + } + # check remaining bytes + var i/ebx: int <- copy 1 # skip 0 + { + compare i, 7 + break-if->= + var c/eax: (addr byte) <- index s3, i + { + var c2/eax: byte <- copy-byte *c + var valid?/eax: boolean <- is-hex-digit? c2 + compare valid?, 0 + loop-if-= $main:word-loop + } + i <- increment + loop + } } # ecl { @@ -150,6 +265,7 @@ fn main -> _/ebx: int { var oth?/eax: boolean <- slice-equal? val-slice, "oth" compare oth?, 0 # false loop-if-!= $main:word-loop + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } # pid @@ -159,14 +275,17 @@ fn main -> _/ebx: int { break-if-= # convert val var s: (handle array byte) - var s2: (addr handle array byte) <- address s + var s2/eax: (addr handle array byte) <- address s _slice-to-string val-slice, s2 + var s3/eax: (addr array byte) <- lookup *s2 # check length - var len/eax: int <- length s2 + var len/eax: int <- length s3 compare len, 9 { break-if-= + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 + loop $main:word-loop } # check valid decimal int # parse-decimal-int-from-slice currently returns 0 on invalid parse, @@ -175,6 +294,7 @@ fn main -> _/ebx: int { compare val, 0 { break-if-> + print-string 0, "invalid\n" curr-passport-field-count <- copy 8 } } -- cgit 1.4.1-2-gfad0