diff options
Diffstat (limited to 'tex/context/base/spac-ver.lua')
| -rw-r--r-- | tex/context/base/spac-ver.lua | 187 |
1 files changed, 60 insertions, 127 deletions
diff --git a/tex/context/base/spac-ver.lua b/tex/context/base/spac-ver.lua index 36fa357d0..406896e4d 100644 --- a/tex/context/base/spac-ver.lua +++ b/tex/context/base/spac-ver.lua @@ -23,8 +23,7 @@ if not modules then modules = { } end modules ['spac-ver'] = { local next, type, tonumber = next, type, tonumber local gmatch, concat = string.gmatch, table.concat -local ceil, floor, max, min, round, abs = math.ceil, math.floor, math.max, math.min, math.round, math.abs -local texlists, texdimen, texbox = tex.lists, tex.dimen, tex.box +local ceil, floor = math.ceil, math.floor local lpegmatch = lpeg.match local unpack = unpack or table.unpack local allocate = utilities.storage.allocate @@ -33,12 +32,13 @@ local formatters = string.formatters local P, C, R, S, Cc = lpeg.P, lpeg.C, lpeg.R, lpeg.S, lpeg.Cc -local nodes, node, trackers, attributes, context, commands = nodes, node, trackers, attributes, context, commands +local nodes, node, trackers, attributes, context, commands, tex = nodes, node, trackers, attributes, context, commands, tex -local variables = interfaces.variables +----- texlists = tex.lists +local texgetdimen = tex.getdimen +local texgetbox = tex.getbox -local starttiming = statistics.starttiming -local stoptiming = statistics.stoptiming +local variables = interfaces.variables -- vertical space handler @@ -87,7 +87,6 @@ local new_gluespec = nodepool.gluespec local nodecodes = nodes.nodecodes local skipcodes = nodes.skipcodes -local fillcodes = nodes.fillcodes local penalty_code = nodecodes.penalty local kern_code = nodecodes.kern @@ -96,7 +95,6 @@ local hlist_code = nodecodes.hlist local vlist_code = nodecodes.vlist local whatsit_code = nodecodes.whatsit -local userskip_code = skipcodes.userskip local vspacing = builders.vspacing or { } builders.vspacing = vspacing @@ -288,20 +286,24 @@ local function snap_hlist(where,current,method,height,depth) -- method.strut is local snapht, snapdp if method["local"] then -- snapping is done immediately here - snapht, snapdp = texdimen.bodyfontstrutheight, texdimen.bodyfontstrutdepth + snapht = texgetdimen("bodyfontstrutheight") + snapdp = texgetdimen("bodyfontstrutdepth") if t then t[#t+1] = formatters["local: snapht %p snapdp %p"](snapht,snapdp) end elseif method["global"] then - snapht, snapdp = texdimen.globalbodyfontstrutheight, texdimen.globalbodyfontstrutdepth + snapht = texgetdimen("globalbodyfontstrutheight") + snapdp = texgetdimen("globalbodyfontstrutdepth") if t then t[#t+1] = formatters["global: snapht %p snapdp %p"](snapht,snapdp) end else -- maybe autolocal -- snapping might happen later in the otr - snapht, snapdp = texdimen.globalbodyfontstrutheight, texdimen.globalbodyfontstrutdepth - local lsnapht, lsnapdp = texdimen.bodyfontstrutheight, texdimen.bodyfontstrutdepth + snapht = texgetdimen("globalbodyfontstrutheight") + snapdp = texgetdimen("globalbodyfontstrutdepth") + local lsnapht = texgetdimen("bodyfontstrutheight") + local lsnapdp = texgetdimen("bodyfontstrutdepth") if snapht ~= lsnapht and snapdp ~= lsnapdp then snapht, snapdp = lsnapht, lsnapdp end @@ -342,13 +344,16 @@ local function snap_hlist(where,current,method,height,depth) -- method.strut is id = thebox and thebox.id end if thebox and id == vlist_code then - local list, lh, ld = thebox.list + local list = thebox.list + local lh, ld for n in traverse_nodes_id(hlist_code,list) do - lh, ld = n.height, n.depth + lh = n.height + ld = n.depth break end if lh then - local ht, dp = thebox.height, thebox.depth + local ht = thebox.height + local dp = thebox.depth if t then t[#t+1] = formatters["first line: height %p depth %p"](lh,ld) t[#t+1] = formatters["dimensions: height %p depth %p"](ht,dp) @@ -379,10 +384,12 @@ local function snap_hlist(where,current,method,height,depth) -- method.strut is if thebox and id == vlist_code then local list, lh, ld = thebox.list for n in traverse_nodes_id(hlist_code,list) do - lh, ld = n.height, n.depth + lh = n.height + ld = n.depth end if lh then - local ht, dp = thebox.height, thebox.depth + local ht = thebox.height + local dp = thebox.depth if t then t[#t+1] = formatters["last line: height %p depth %p" ](lh,ld) t[#t+1] = formatters["dimensions: height %p depth %p"](ht,dp) @@ -479,7 +486,7 @@ local function snap_hlist(where,current,method,height,depth) -- method.strut is local lines = (ch+cd)/snaphtdp if t then local original = (h+d)/snaphtdp - local whatever = (ch+cd)/(texdimen.globalbodyfontstrutheight + texdimen.globalbodyfontstrutdepth) + local whatever = (ch+cd)/(texgetdimen("globalbodyfontstrutheight") + texgetdimen("globalbodyfontstrutdepth")) t[#t+1] = formatters["final lines: %s -> %s (%s)"](original,lines,whatever) t[#t+1] = formatters["final height: %p -> %p"](h,ch) t[#t+1] = formatters["final depth: %p -> %p"](d,cd) @@ -495,7 +502,8 @@ local function snap_topskip(current,method) local w = spec.width local wd = w if spec.writable then - spec.width, wd = 0, 0 + spec.width = 0 + wd = 0 end return w, wd end @@ -740,21 +748,11 @@ local topskip_code = skipcodes.topskip local splittopskip_code = skipcodes.splittopskip local free_glue_node = free_node -local discard, largest, force, penalty, add, disable, nowhite, goback, together = 0, 1, 2, 3, 4, 5, 6, 7, 8 - --- local function free_glue_node(n) --- -- free_node(n.spec) --- print("before",n) --- logs.flush() --- free_node(n) --- print("after") --- logs.flush() --- end function vspacing.snapbox(n,how) local sv = snapmethods[how] if sv then - local box = texbox[n] + local box = texgetbox(n) local list = box.list if list then local s = list[a_snapmethod] @@ -763,7 +761,8 @@ function vspacing.snapbox(n,how) -- report_snapper("box list not snapped, already done") end else - local ht, dp = box.height, box.depth + local ht = box.height + local dp = box.depth if false then -- todo: already_done -- assume that the box is already snapped if trace_vsnapping then @@ -772,7 +771,8 @@ function vspacing.snapbox(n,how) end else local h, d, ch, cd, lines = snap_hlist("box",box,sv,ht,dp) - box.height, box.depth = ch, cd + box.height= ch + box.depth = cd if trace_vsnapping then report_snapper("box list snapped from (%p,%p) to (%p,%p) using method %a (%s) for %a (%s lines): %s", h,d,ch,cd,sv.name,sv.specification,"direct",lines,listtoutf(list)) @@ -805,6 +805,8 @@ end -- penalty only works well when before skip +local discard, largest, force, penalty, add, disable, nowhite, goback, together = 0, 1, 2, 3, 4, 5, 6, 7, 8 -- move into function when upvalue 60 issue + local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also pass tail if trace then reset_tracing(head) @@ -823,11 +825,12 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also head = insert_node_before(head,current,p) end if glue_data then + local spec = glue_data.spec if force_glue then if trace then trace_done("flushed due to " .. why,glue_data) end - head = forced_skip(head,current,glue_data.spec.width,"before",trace) + head = forced_skip(head,current,spec.width,"before",trace) free_glue_node(glue_data) - elseif glue_data.spec.writable then + elseif spec.writable then if trace then trace_done("flushed due to " .. why,glue_data) end head = insert_node_before(head,current,glue_data) else @@ -841,8 +844,9 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also end if trace_vsnapping then report_snapper("global ht/dp = %p/%p, local ht/dp = %p/%p", - texdimen.globalbodyfontstrutheight, texdimen.globalbodyfontstrutdepth, - texdimen.bodyfontstrutheight, texdimen.bodyfontstrutdepth) + texgetdimen("globalbodyfontstrutheight"), texgetdimen("globalbodyfontstrutdepth"), + texgetdimen("bodyfontstrutheight"), texgetdimen("bodyfontstrutdepth") + ) end if trace then trace_info("start analyzing",where,what) end while current do @@ -865,7 +869,8 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also if sv then -- check if already snapped if list and already_done(id,list,a_snapmethod) then - local ht, dp = current.height, current.depth + local ht = current.height + local dp = current.depth -- assume that the box is already snapped if trace_vsnapping then report_snapper("mvl list already snapped at (%p,%p): %s",ht,dp,listtoutf(list)) @@ -936,9 +941,9 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also previous.spec = new_gluespec(pw + cw, pp + cp, pm + cm) -- else topskip can disappear if trace then trace_natural("removed",current) end head, current = remove_node(head, current, true) - -- current = previous + -- current = previous if trace then trace_natural("collapsed",previous) end - -- current = current.next + -- current = current.next else if trace then trace_natural("filler",current) end current = current.next @@ -1075,7 +1080,8 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also if trace then trace_natural("ignored parskip",current) end head, current = remove_node(head, current, true) elseif glue_data then - local ps, gs = current.spec, glue_data.spec + local ps = current.spec + local gs = glue_data.spec if ps.writable and gs.writable and ps.width > gs.width then glue_data.spec = copy_node(ps) if trace then trace_natural("taking parskip",current) end @@ -1131,11 +1137,14 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also current = current.next -- else -- other glue - if snap and trace_vsnapping and current.spec.writable and current.spec.width ~= 0 then - report_snapper("glue %p of type %a kept",current.spec.width,skipcodes[subtype]) - --~ current.spec.width = 0 + if snap and trace_vsnapping then + local spec = current.spec + if spec.writable and spec.width ~= 0 then + report_snapper("glue %p of type %a kept",current.spec.width,skipcodes[subtype]) + -- spec.width = 0 + end end - if trace then trace_skip(formatted["glue of type %a"](subtype),sc,so,sp,current) end + if trace then trace_skip(formatter["glue of type %a"](subtype),sc,so,sp,current) end flush("some glue") current = current.next end @@ -1227,11 +1236,11 @@ function vspacing.pagehandler(newhead,where) if stackhack then stackhack = false if trace_collect_vspacing then report("processing %s nodes: %s",newhead) end ---~ texlists.contrib_head = collapser(newhead,"page",where,trace_page_vspacing,true,a_snapmethod) + -- texlists.contrib_head = collapser(newhead,"page",where,trace_page_vspacing,true,a_snapmethod) newhead = collapser(newhead,"page",where,trace_page_vspacing,true,a_snapmethod) else if trace_collect_vspacing then report("flushing %s nodes: %s",newhead) end ---~ texlists.contrib_head = newhead + -- texlists.contrib_head = newhead end else if stackhead then @@ -1258,97 +1267,21 @@ local ignore = table.tohash { function vspacing.vboxhandler(head,where) if head and not ignore[where] and head.next then - -- starttiming(vspacing) head = collapser(head,"vbox",where,trace_vbox_vspacing,true,a_snapvbox) -- todo: local snapper - -- stoptiming(vspacing) end return head end function vspacing.collapsevbox(n) -- for boxes but using global a_snapmethod - local list = texbox[n].list - if list then - -- starttiming(vspacing) - texbox[n].list = vpack_node(collapser(list,"snapper","vbox",trace_vbox_vspacing,true,a_snapmethod)) - -- stoptiming(vspacing) - end -end - --- We will split this module so a few locals are repeated. Also this will be --- rewritten. - -nodes.builders = nodes.builder or { } -local builders = nodes.builders - -local actions = nodes.tasks.actions("vboxbuilders") - -function builders.vpack_filter(head,groupcode,size,packtype,maxdepth,direction) - local done = false - if head then - starttiming(builders) - if trace_vpacking then - local before = nodes.count(head) - head, done = actions(head,groupcode,size,packtype,maxdepth,direction) - local after = nodes.count(head) - if done then - nodes.processors.tracer("vpack","changed",head,groupcode,before,after,true) - else - nodes.processors.tracer("vpack","unchanged",head,groupcode,before,after,true) - end - else - head, done = actions(head,groupcode) - end - stoptiming(builders) - end - return head, done -end - --- This one is special in the sense that it has no head and we operate on the mlv. Also, --- we need to do the vspacing last as it removes items from the mvl. - -local actions = nodes.tasks.actions("mvlbuilders") - -local function report(groupcode,head) - report_page_builder("trigger: %s",groupcode) - report_page_builder(" vsize : %p",tex.vsize) - report_page_builder(" pagegoal : %p",tex.pagegoal) - report_page_builder(" pagetotal: %p",tex.pagetotal) - report_page_builder(" list : %s",head and nodeidstostring(head) or "<empty>") -end - -function builders.buildpage_filter(groupcode) - local head, done = texlists.contrib_head, false - -- if head and head.next and head.next.id == hlist_code and head.next.width == 1 then - -- report_page_builder("trigger otr calculations") - -- free_node_list(head) - -- head = nil - -- end - if head then - starttiming(builders) - if trace_page_builder then - report(groupcode,head) - end - head, done = actions(head,groupcode) - stoptiming(builders) - -- -- doesn't work here (not passed on?) - -- tex.pagegoal = tex.vsize - tex.dimen.d_page_floats_inserted_top - tex.dimen.d_page_floats_inserted_bottom - texlists.contrib_head = head - return done and head or true - else - if trace_page_builder then - report(groupcode) + local box = texgetbox(n) + if box then + local list = box.list + if list then + setfield(box,"list",vpack_node(collapser(list,"snapper","vbox",trace_vbox_vspacing,true,a_snapmethod))) end - return nil, false end end -callbacks.register('vpack_filter', builders.vpack_filter, "vertical spacing etc") -callbacks.register('buildpage_filter', builders.buildpage_filter, "vertical spacing etc (mvl)") - -statistics.register("v-node processing time", function() - return statistics.elapsedseconds(builders) -end) - -- interface commands.vspacing = vspacing.analyze |