diff options
Diffstat (limited to 'tex/context/base/mkxl/back-ini.lmt')
| -rw-r--r-- | tex/context/base/mkxl/back-ini.lmt | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/tex/context/base/mkxl/back-ini.lmt b/tex/context/base/mkxl/back-ini.lmt index 922705742..fc91fb31c 100644 --- a/tex/context/base/mkxl/back-ini.lmt +++ b/tex/context/base/mkxl/back-ini.lmt @@ -53,7 +53,7 @@ local defaults = { tables = tables, } -backends.defaults = defaults +backends.defaults = defaults -- so, when not in the specific namespace we need to register here (to be checked) backends.nodeinjections = { } setmetatableindex(backends.nodeinjections, nodeinjections) backends.codeinjections = { } setmetatableindex(backends.codeinjections, codeinjections) @@ -62,24 +62,42 @@ backends.tables = { } setmetatableindex(backends.tables, tables backends.current = "unknown" -function backends.install(what) +local registered = table.setmetatableindex(function(t,k) + local v = { + name = k, + nodeinjections = { }, + codeinjections = { }, + registrations = { }, + tables = { }, + } + t[k] = v + return v +end) + +backends.registered = registered + +-- The binding feature is mostly there to prevent side effects of overloading +-- not so much for performance because there are not that many calls. + +function backends.initialize(what) if type(what) == "string" then - local backend = backends[what] + local backend = registered[what] if backend then if trace then - if backend.comment then - report("initializing backend %a, %a",what,backend.comment) - else - report("initializing backend %a",what) - end + report("initializing backend %a",what) end - backends.current = what for category, default in next, defaults do local target = backends[category] local plugin = backend [category] setmetatableindex(plugin, default) setmetatableindex(target, plugin) end + -- + backends.current = what + -- delayed / out-of-order locals: like lpdf.* (a few forward references) + updaters.apply("backends." .. what .. ".latebindings") + -- delayed / out-of-order locals: backends.[c|n]odeinjections.* (not all, only critical ones) + updaters.apply("backends.injections.latebindings") elseif trace then report("no backend named %a",what) end @@ -88,11 +106,7 @@ end statistics.register("used backend", function() local bc = backends.current - if bc ~= "unknown" then - return format("%s (%s)",bc,backends[bc].comment or "no comment") - else - return nil - end + return bc ~= "unknown" and bc or nil end) -- can best be here |