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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-02-21 16:25:43 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-02-21 16:25:43 -0800 |
| commit | d7c7488398474d8310539e850edd0c3de2030d3d (patch) | |
| tree | b72ebd948b33adeaa29c841ac3040262842227cc /baremetal/shell/grapheme-stack.mu | |
| parent | f173379a75bdfed7e40562dd14031e9052364458 (diff) | |
| download | mu-d7c7488398474d8310539e850edd0c3de2030d3d.tar.gz | |
7770 - baremetal/shell: scanning through gap buffer
Diffstat (limited to 'baremetal/shell/grapheme-stack.mu')
| -rw-r--r-- | baremetal/shell/grapheme-stack.mu | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/baremetal/shell/grapheme-stack.mu b/baremetal/shell/grapheme-stack.mu index 8a4bbd0a..ad8fbc24 100644 --- a/baremetal/shell/grapheme-stack.mu +++ b/baremetal/shell/grapheme-stack.mu @@ -30,6 +30,12 @@ fn grapheme-stack-empty? _self: (addr grapheme-stack) -> _/eax: boolean { return 0/false } +fn grapheme-stack-length _self: (addr grapheme-stack) -> _/eax: int { + var self/esi: (addr grapheme-stack) <- copy _self + var top/eax: (addr int) <- get self, top + return *top +} + 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 |