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author | Kartik K. Agaram <vc@akkartik.com> | 2021-07-25 16:18:18 -0700 |
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committer | Kartik K. Agaram <vc@akkartik.com> | 2021-07-25 16:24:45 -0700 |
commit | 17e50d27d4842048d17704df1be292c42e2d5506 (patch) | |
tree | 92c6e5a16f7ab55bb9d230a1e32bf3851999826b /shell/primitives.mu | |
parent | 7ed4a6aed94bbf80a6e4ed3017382a58feb5cd10 (diff) | |
download | mu-17e50d27d4842048d17704df1be292c42e2d5506.tar.gz |
shell: array type
Diffstat (limited to 'shell/primitives.mu')
-rw-r--r-- | shell/primitives.mu | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/shell/primitives.mu b/shell/primitives.mu index 94eab171..d6d61933 100644 --- a/shell/primitives.mu +++ b/shell/primitives.mu @@ -55,6 +55,8 @@ fn initialize-primitives _self: (addr global-table) { append-primitive self, "write" append-primitive self, "read" append-primitive self, "rewind" + # for arrays + append-primitive self, "array" # misc append-primitive self, "abort" # keep sync'd with render-primitives @@ -98,6 +100,12 @@ fn render-primitives screen: (addr screen), xmin: int, xmax: int, ymax: int { y <- increment set-cursor-position screen, right-min, y draw-text-wrapping-right-then-down-from-cursor screen, " sqrt abs sgn", right-min, y, xmax, ymax, 0x2a/fg=orange, 0xdc/bg=green-bg + y <- increment + set-cursor-position screen, right-min, y + draw-text-wrapping-right-then-down-from-cursor screen, "arrays", right-min, y, xmax, ymax, 7/fg=grey, 0xdc/bg=green-bg + y <- increment + set-cursor-position screen, right-min, y + draw-text-wrapping-right-then-down-from-cursor screen, " array len", right-min, y, xmax, ymax, 0x2a/fg=orange, 0xdc/bg=green-bg #? { #? compare screen, 0 #? break-if-!= @@ -544,6 +552,13 @@ fn apply-primitive _f: (addr cell), args-ah: (addr handle cell), out: (addr hand return } { + var array?/eax: boolean <- string-equal? f-name, "array" + compare array?, 0/false + break-if-= + apply-array args-ah, out, trace + return + } + { var abort?/eax: boolean <- string-equal? f-name, "abort" compare abort?, 0/false break-if-= @@ -1224,6 +1239,16 @@ fn apply-len _args-ah: (addr handle cell), out: (addr handle cell), trace: (addr new-integer out, result return } + { + { + var first-array?/eax: boolean <- array? first + compare first-array?, 0/false + } + break-if-= + var result/eax: int <- array-length first + new-integer out, result + return + } nil out } @@ -1249,6 +1274,14 @@ fn list-length in: (addr cell) -> _/eax: int { return result } +fn array-length _in: (addr cell) -> _/eax: int { + var in/esi: (addr cell) <- copy _in + var in-data-ah/eax: (addr handle array handle cell) <- get in, array-data + var in-data/eax: (addr array handle cell) <- lookup *in-data-ah + var result/eax: int <- length in-data + return result +} + fn apply-cell-isomorphic _args-ah: (addr handle cell), out: (addr handle cell), trace: (addr trace) { trace-text trace, "eval", "apply '='" var args-ah/eax: (addr handle cell) <- copy _args-ah @@ -3420,6 +3453,42 @@ fn apply-blit _args-ah: (addr handle cell), out: (addr handle cell), trace: (add copy-pixels src, dest } +fn apply-array _args-ah: (addr handle cell), _out-ah: (addr handle cell), trace: (addr trace) { + trace-text trace, "eval", "apply 'array'" + var args-ah/eax: (addr handle cell) <- copy _args-ah + var _args/eax: (addr cell) <- lookup *args-ah + var args/esi: (addr cell) <- copy _args + { + var args-type/eax: (addr int) <- get args, type + compare *args-type, 0/pair + break-if-= + error trace, "args to 'array' are not a list" + return + } + var capacity/eax: int <- list-length args + var out-ah/edi: (addr handle cell) <- copy _out-ah + new-array out-ah, capacity + var out/eax: (addr cell) <- lookup *out-ah + var out-data-ah/eax: (addr handle array handle cell) <- get out, array-data + var _out-data/eax: (addr array handle cell) <- lookup *out-data-ah + var out-data/edi: (addr array handle cell) <- copy _out-data + var i/ecx: int <- copy 0 + { + var done?/eax: boolean <- nil? args + compare done?, 0/false + break-if-!= + var curr-ah/eax: (addr handle cell) <- get args, left + var dest-ah/edx: (addr handle cell) <- index out-data, i + copy-object curr-ah, dest-ah + # update loop variables + i <- increment + var next-ah/eax: (addr handle cell) <- get args, right + var next/eax: (addr cell) <- lookup *next-ah + args <- copy next + loop + } +} + fn apply-abort _args-ah: (addr handle cell), out: (addr handle cell), trace: (addr trace) { abort "aa" } |