diff options
Diffstat (limited to 'source/luametatex/source/lua/lmttokenlib.c')
| -rw-r--r-- | source/luametatex/source/lua/lmttokenlib.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/source/luametatex/source/lua/lmttokenlib.c b/source/luametatex/source/lua/lmttokenlib.c index 1b50f18d2..c8f7f9039 100644 --- a/source/luametatex/source/lua/lmttokenlib.c +++ b/source/luametatex/source/lua/lmttokenlib.c @@ -1291,6 +1291,21 @@ static int tokenlib_scan_dimen(lua_State *L) } } +static int tokenlib_scan_posit(lua_State *L) +{ + saved_tex_scanner texstate = tokenlib_aux_save_tex_scanner(); + int eq = lua_toboolean(L, 1); + int fl = lua_toboolean(L, 1); + halfword val = tex_scan_posit(eq); + if (fl) { + lua_pushnumber(L, tex_posit_to_double(val)); + } else { + lua_pushinteger(L, val); + } + tokenlib_aux_unsave_tex_scanner(texstate); + return 1; +} + static int tokenlib_gobble_dimen(lua_State *L) { saved_tex_scanner texstate = tokenlib_aux_save_tex_scanner(); @@ -3597,6 +3612,7 @@ static const struct luaL_Reg tokenlib_function_list[] = { { "scanluacardinal", tokenlib_scan_luacardinal }, { "scanscale", tokenlib_scan_scale }, { "scandimen", tokenlib_scan_dimen }, + { "scanposit", tokenlib_scan_posit }, { "scanskip", tokenlib_scan_skip }, { "scanglue", tokenlib_scan_glue }, { "scantoks", tokenlib_scan_toks }, @@ -3867,6 +3883,10 @@ int lmt_function_call_by_category(int slot, int property, halfword *value) break; } case lua_value_float_code: + { + *value = tex_double_to_posit(lua_tonumber(L, -1)).v; + break; + } case lua_value_string_code: { category = lua_value_none_code; |