diff options
| -rw-r--r-- | src/luaotfload-auxiliary.lua | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/luaotfload-auxiliary.lua b/src/luaotfload-auxiliary.lua index fc2a191..347d9f8 100644 --- a/src/luaotfload-auxiliary.lua +++ b/src/luaotfload-auxiliary.lua @@ -305,11 +305,23 @@ local indices --- int -> (string | false) local name_of_slot = function (codepoint) + if not codepoint or type (codepoint) ~= "number" then + logreport ("both", 0, "aux", + "invalid parameters to name_of_slot (%s)", + tostring (codepoint)) + return false + end + if not indices then --- this will load the glyph list local unicodes = encodings.agl.unicodes - indices = table.swapped(unicodes) + if not unicodes or not next (unicodes)then + logreport ("both", 0, "aux", + "name_of_slot: failed to load the AGL.") + end + indices = table.swapped (unicodes) end - local glyphname = indices[codepoint] + + local glyphname = indices [codepoint] if glyphname then return glyphname end |