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author | Taco Hoekwater <taco@elvenkind.com> | 2009-08-23 11:11:32 +0000 |
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committer | Taco Hoekwater <taco@elvenkind.com> | 2009-08-23 11:11:32 +0000 |
commit | 8fc3039c82d48605b5ca8b2eda3f4fdd755681e1 (patch) | |
tree | 3cd9bbdd599bc4d1ac0409e167fee2136e4c0ec9 /Master/texmf-dist/tex/context/base/node-tsk.lua | |
parent | 850fc99b7cd3ae7a20065531fe866ff7bae642ec (diff) |
this is context 2009.08.19 17:10
git-svn-id: svn://tug.org/texlive/trunk@14827 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/node-tsk.lua')
-rw-r--r-- | Master/texmf-dist/tex/context/base/node-tsk.lua | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/node-tsk.lua b/Master/texmf-dist/tex/context/base/node-tsk.lua new file mode 100644 index 00000000000..d2ac57d6b97 --- /dev/null +++ b/Master/texmf-dist/tex/context/base/node-tsk.lua @@ -0,0 +1,174 @@ +if not modules then modules = { } end modules ['node-tsk'] = { + version = 1.001, + comment = "companion to node-ini.tex", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local trace_tasks = false trackers.register("tasks", function(v) trace_tasks = v end) + +tasks = tasks or { } +tasks.data = tasks.data or { } + +function tasks.new(name,list) + local tasklist = sequencer.reset() + tasks.data[name] = { list = tasklist, runner = false } + for l=1,#list do + sequencer.appendgroup(tasklist,list[l]) + end +end + +function tasks.restart(name,group) + local data = tasks.data[name] + if data then + data.runner = false + end +end + +function tasks.appendaction(name,group,action,where,kind) + local data = tasks.data[name] + if data then + sequencer.appendaction(data.list,group,action,where,kind) + data.runner = false + end +end + +function tasks.prependaction(name,group,action,where,kind) + local data = tasks.data[name] + if data then + sequencer.prependaction(data.list,group,action,where,kind) + data.runner = false + end +end + +function tasks.removeaction(name,group,action) + local data = tasks.data[name] + if data then + sequencer.removeaction(data.list,group,action) + data.runner = false + end +end + +function tasks.showactions(name,group,action,where,kind) + local data = tasks.data[name] + if data then + logs.report("nodes","task %s, list:\n%s",name,sequencer.nodeprocessor(data.list)) + end +end + +-- Optimizing for the number of arguments makes sense, but getting rid of +-- the nested call (no problem but then we also need to register the +-- callback with this mechanism so that it gets updated) does not save +-- much time (24K calls on mk.tex). + +local created, total = 0, 0 + +statistics.register("node list callback tasks", function() + if total > 0 then + return string.format("%s unique tasks, %s created, %s calls",table.count(tasks.data),created,total) + else + return nil + end +end) + +function tasks.actions(name,n) -- we optimize for the number or arguments (no ...) + local data = tasks.data[name] + if data then + if n == 0 then + return function(head) + local runner = data.runner + total = total + 1 -- will go away + if not runner then + created = created + 1 + if trace_tasks then + logs.report("nodes","creating task runner '%s'",name) + end + runner = sequencer.compile(data.list,sequencer.nodeprocessor,0) + data.runner = runner + end + return runner(head) + end + elseif n == 1 then + return function(head,one) + total = total + 1 -- will go away + local runner = data.runner + if not runner then + created = created + 1 + if trace_tasks then + logs.report("nodes","creating task runner '%s'",name) + end + runner = sequencer.compile(data.list,sequencer.nodeprocessor,1) + data.runner = runner + end + return runner(head,one) + end + elseif n == 2 then + return function(head,one,two) + total = total + 1 -- will go away + local runner = data.runner + if not runner then + created = created + 1 + if trace_tasks then + logs.report("nodes","creating task runner '%s'",name) + end + runner = sequencer.compile(data.list,sequencer.nodeprocessor,2) + data.runner = runner + end + return runner(head,one,two) + end + else + return function(head,...) + total = total + 1 -- will go away + local runner = data.runner + if not runner then + created = created + 1 + if trace_tasks then + logs.report("nodes","creating task runner '%s'",name) + end + runner = sequencer.compile(data.list,sequencer.nodeprocessor,3) + data.runner = runner + end + return runner(head,...) + end + end + else + return nil + end +end + +tasks.new ( + "processors", + { + "before", -- for users + "normalizers", + "characters", + "words", + "fonts", + "lists", + "after", -- for users + } +) + +tasks.new ( + "finalizers", + { + "before", -- for users + "normalizers", +-- "characters", +-- "finishers", + "fonts", + "lists", + "after", -- for users + } +) + +tasks.new ( + "shipouts", + { + "before", -- for users + "normalizers", + "finishers", + "after", -- for users + } +) |