diff options
Diffstat (limited to 'apps/tile/grapheme-stack.mu')
| -rw-r--r-- | apps/tile/grapheme-stack.mu | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/apps/tile/grapheme-stack.mu b/apps/tile/grapheme-stack.mu deleted file mode 100644 index e0d40ecc..00000000 --- a/apps/tile/grapheme-stack.mu +++ /dev/null @@ -1,191 +0,0 @@ -type grapheme-stack { - data: (handle array grapheme) - top: int -} - -fn initialize-grapheme-stack _self: (addr grapheme-stack), n: int { - var self/esi: (addr grapheme-stack) <- copy _self - var d/edi: (addr handle array grapheme) <- get self, data - populate d, n - var top/eax: (addr int) <- get self, top - copy-to *top, 0 -} - -fn clear-grapheme-stack _self: (addr grapheme-stack) { - var self/esi: (addr grapheme-stack) <- copy _self - var top/eax: (addr int) <- get self, top - copy-to *top, 0 -} - -fn grapheme-stack-empty? _self: (addr grapheme-stack) -> _/eax: boolean { - var self/esi: (addr grapheme-stack) <- copy _self - var top/eax: (addr int) <- get self, top - compare *top, 0 - { - break-if-!= - return 1/true - } - return 0/false -} - -fn push-grapheme-stack _self: (addr grapheme-stack), _val: grapheme { - var self/esi: (addr grapheme-stack) <- copy _self - var top-addr/ecx: (addr int) <- get self, top - var data-ah/edx: (addr handle array grapheme) <- get self, data - var data/eax: (addr array grapheme) <- lookup *data-ah - var top/edx: int <- copy *top-addr - var dest-addr/edx: (addr grapheme) <- index data, top - var val/eax: grapheme <- copy _val - copy-to *dest-addr, val - add-to *top-addr, 1 -} - -fn pop-grapheme-stack _self: (addr grapheme-stack) -> _/eax: grapheme { - var self/esi: (addr grapheme-stack) <- copy _self - var top-addr/ecx: (addr int) <- get self, top - { - compare *top-addr, 0 - break-if-> - return -1 - } - subtract-from *top-addr, 1 - var data-ah/edx: (addr handle array grapheme) <- get self, data - var data/eax: (addr array grapheme) <- lookup *data-ah - var top/edx: int <- copy *top-addr - var result-addr/eax: (addr grapheme) <- index data, top - return *result-addr -} - -fn copy-grapheme-stack _src: (addr grapheme-stack), dest: (addr grapheme-stack) { - var src/esi: (addr grapheme-stack) <- copy _src - var data-ah/edi: (addr handle array grapheme) <- get src, data - var _data/eax: (addr array grapheme) <- lookup *data-ah - var data/edi: (addr array grapheme) <- copy _data - var top-addr/ecx: (addr int) <- get src, top - var i/eax: int <- copy 0 - { - compare i, *top-addr - break-if->= - var g/edx: (addr grapheme) <- index data, i - push-grapheme-stack dest, *g - i <- increment - loop - } -} - -# dump stack to screen from bottom to top -# don't move the cursor or anything -fn render-stack-from-bottom _self: (addr grapheme-stack), screen: (addr screen) { - var self/esi: (addr grapheme-stack) <- copy _self - var data-ah/edi: (addr handle array grapheme) <- get self, data - var _data/eax: (addr array grapheme) <- lookup *data-ah - var data/edi: (addr array grapheme) <- copy _data - var top-addr/ecx: (addr int) <- get self, top - var i/eax: int <- copy 0 - { - compare i, *top-addr - break-if->= - var g/edx: (addr grapheme) <- index data, i - print-grapheme screen, *g - i <- increment - loop - } -} - -# dump stack to screen from top to bottom -# don't move the cursor or anything -fn render-stack-from-top _self: (addr grapheme-stack), screen: (addr screen) { - var self/esi: (addr grapheme-stack) <- copy _self - var data-ah/edi: (addr handle array grapheme) <- get self, data - var _data/eax: (addr array grapheme) <- lookup *data-ah - var data/edi: (addr array grapheme) <- copy _data - var top-addr/ecx: (addr int) <- get self, top - var i/eax: int <- copy *top-addr - i <- decrement - { - compare i, 0 - break-if-< - var g/edx: (addr grapheme) <- index data, i - print-grapheme screen, *g - i <- decrement - loop - } -} - -# compare from bottom -# beware: modifies 'stream', which must be disposed of after a false result -fn prefix-match? _self: (addr grapheme-stack), s: (addr stream byte) -> _/eax: boolean { - var self/esi: (addr grapheme-stack) <- copy _self - var data-ah/edi: (addr handle array grapheme) <- get self, data - var _data/eax: (addr array grapheme) <- lookup *data-ah - var data/edi: (addr array grapheme) <- copy _data - var top-addr/ecx: (addr int) <- get self, top - var i/ebx: int <- copy 0 - { - compare i, *top-addr - break-if->= - # if curr != expected, return false - { - var curr-a/edx: (addr grapheme) <- index data, i - var expected/eax: grapheme <- read-grapheme s - { - compare expected, *curr-a - break-if-= - return 0/false - } - } - i <- increment - loop - } - return 1 # true -} - -# compare from bottom -# beware: modifies 'stream', which must be disposed of after a false result -fn suffix-match? _self: (addr grapheme-stack), s: (addr stream byte) -> _/eax: boolean { - var self/esi: (addr grapheme-stack) <- copy _self - var data-ah/edi: (addr handle array grapheme) <- get self, data - var _data/eax: (addr array grapheme) <- lookup *data-ah - var data/edi: (addr array grapheme) <- copy _data - var top-addr/eax: (addr int) <- get self, top - var i/ebx: int <- copy *top-addr - i <- decrement - { - compare i, 0 - break-if-< - { - var curr-a/edx: (addr grapheme) <- index data, i - var expected/eax: grapheme <- read-grapheme s - # if curr != expected, return false - { - compare expected, *curr-a - break-if-= - return 0/false - } - } - i <- decrement - loop - } - return 1 # true -} - -fn grapheme-stack-is-decimal-integer? _self: (addr grapheme-stack) -> _/eax: boolean { - var self/esi: (addr grapheme-stack) <- copy _self - var data-ah/eax: (addr handle array grapheme) <- get self, data - var _data/eax: (addr array grapheme) <- lookup *data-ah - var data/edx: (addr array grapheme) <- copy _data - var top-addr/ecx: (addr int) <- get self, top - var i/ebx: int <- copy 0 - var result/eax: boolean <- copy 1/true - $grapheme-stack-is-integer?:loop: { - compare i, *top-addr - break-if->= - var g/edx: (addr grapheme) <- index data, i - result <- is-decimal-digit? *g - compare result, 0/false - break-if-= - i <- increment - loop - } - return result -} |