diff options
Diffstat (limited to 'shell/global.mu')
| -rw-r--r-- | shell/global.mu | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/shell/global.mu b/shell/global.mu index 68b584ea..f5d513c5 100644 --- a/shell/global.mu +++ b/shell/global.mu @@ -130,7 +130,7 @@ fn append-global _self: (addr global-table), name: (addr array byte), value: (ha copy-handle value, curr-value-ah } -fn lookup-symbol-in-globals _sym: (addr cell), out: (addr handle cell), _globals: (addr global-table), trace: (addr trace), screen-cell: (addr handle cell) { +fn lookup-symbol-in-globals _sym: (addr cell), out: (addr handle cell), _globals: (addr global-table), trace: (addr trace), screen-cell: (addr handle cell), keyboard-cell: (addr handle cell) { var sym/eax: (addr cell) <- copy _sym var sym-name-ah/eax: (addr handle stream byte) <- get sym, text-data var _sym-name/eax: (addr stream byte) <- lookup *sym-name-ah @@ -160,6 +160,16 @@ fn lookup-symbol-in-globals _sym: (addr cell), out: (addr handle cell), _globals copy-object screen-cell, out return } + # if sym is "keyboard" and keyboard-cell exists, return it + { + var sym-is-keyboard?/eax: boolean <- stream-data-equal? sym-name, "keyboard" + compare sym-is-keyboard?, 0/false + break-if-= + compare keyboard-cell, 0 + break-if-= + copy-object keyboard-cell, out + return + } # otherwise error "unbound symbol: ", sym var stream-storage: (stream byte 0x40) var stream/ecx: (addr stream byte) <- address stream-storage |