diff options
| -rw-r--r-- | shell/primitives.mu | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/shell/primitives.mu b/shell/primitives.mu index 098c7cd4..92a2c7a7 100644 --- a/shell/primitives.mu +++ b/shell/primitives.mu @@ -57,6 +57,7 @@ fn initialize-primitives _self: (addr global-table) { append-primitive self, "rewind" # for arrays append-primitive self, "array" + append-primitive self, "populate" append-primitive self, "index" append-primitive self, "iset" # misc @@ -108,6 +109,10 @@ 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, " array index iset len", right-min, y, xmax, ymax, 0x2a/fg=orange, 0xdc/bg=green-bg + y <- increment + var tmpx/eax: int <- copy right-min + tmpx <- draw-text-rightward screen, " populate", tmpx, xmax, y, 0x2a/fg=orange, 0xdc/bg=green-bg + tmpx <- draw-text-rightward screen, ": int _ -> array", tmpx, xmax, y, 7/fg=grey, 0xdc/bg=green-bg #? { #? compare screen, 0 #? break-if-!= @@ -561,6 +566,13 @@ fn apply-primitive _f: (addr cell), args-ah: (addr handle cell), out: (addr hand return } { + var populate?/eax: boolean <- string-equal? f-name, "populate" + compare populate?, 0/false + break-if-= + apply-populate args-ah, out, trace + return + } + { var index?/eax: boolean <- string-equal? f-name, "index" compare index?, 0/false break-if-= @@ -3505,6 +3517,72 @@ fn apply-array _args-ah: (addr handle cell), _out-ah: (addr handle cell), trace: } } +fn apply-populate _args-ah: (addr handle cell), _out-ah: (addr handle cell), trace: (addr trace) { + trace-text trace, "eval", "apply 'populate'" + 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 'populate' are not a list" + return + } + var empty-args?/eax: boolean <- nil? args + compare empty-args?, 0/false + { + break-if-= + error trace, "'populate' needs 2 args but got 0" + return + } + # args->left + var first-ah/ecx: (addr handle cell) <- get args, left + # args->right->left + var right-ah/eax: (addr handle cell) <- get args, right + var right/eax: (addr cell) <- lookup *right-ah + { + var right-type/eax: (addr int) <- get right, type + compare *right-type, 0/pair + break-if-= + error trace, "'populate' encountered non-pair" + return + } + { + var nil?/eax: boolean <- nil? right + compare nil?, 0/false + break-if-= + error trace, "'populate' needs 2 args but got 1" + return + } + var second-ah/edx: (addr handle cell) <- get right, left + # + var first/eax: (addr cell) <- lookup *first-ah + { + var first-type/eax: (addr int) <- get first, type + compare *first-type, 1/number + break-if-= + error trace, "first arg for 'populate' is not a number" + return + } + var first-value/eax: (addr float) <- get first, number-data + var capacity/ecx: int <- convert *first-value + var out-ah/edi: (addr handle cell) <- copy _out-ah + new-array out-ah, capacity + var out/eax: (addr cell) <- lookup *out-ah + var data-ah/eax: (addr handle array handle cell) <- get out, array-data + var data/eax: (addr array handle cell) <- lookup *data-ah + var i/ebx: int <- copy 0 + { + compare i, capacity + break-if->= + var curr-ah/ecx: (addr handle cell) <- index data, i + copy-object second-ah, curr-ah + i <- increment + loop + } +} + fn apply-index _args-ah: (addr handle cell), out: (addr handle cell), trace: (addr trace) { trace-text trace, "eval", "apply 'index'" var args-ah/eax: (addr handle cell) <- copy _args-ah |