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Implement \tracingoutput

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This commit is contained in:
Marcel Fabian Krüger 2021-11-24 23:12:57 +01:00
parent 6571830139
commit d692f2f8f2
1 changed files with 24 additions and 10 deletions
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34
luametalatex-back-pdf.lua
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@ -26,6 +26,8 @@ local to_bp = utils.to_bp
local immediate_flag = lmlt.flag.immediate
local initex_catcodetable = 1
local pdfname, pfile
local fontdirs = setmetatable({}, {__index=function(t, k)t[k] = pfile:getobj() return t[k] end})
local nodefont_meta = {}
@ -72,22 +74,31 @@ local function get_outline()
return outline
end
local properties = node.direct.properties
local reset_deadcycles do
local tokens = {
lmlt.primitive_tokens.global,
lmlt.primitive_tokens.deadcycles,token.create(0x30),
lmlt.primitive_tokens.relax,
}
function reset_deadcycles()
local begin_group do
local tokens = lmlt.primitive_tokens.begingroup
function begin_group()
token.put_next(tokens)
end
end
local finalize_shipout do
local showbox_token = lmlt.primitive_tokens.showbox
local global_token = lmlt.primitive_tokens.global
local deadcycles_token = lmlt.primitive_tokens.deadcycles
local endgroup_token = lmlt.primitive_tokens.endgroup
function finalize_shipout()
if tex.tracingoutput > 0 then
tex.sprint(initex_catcodetable, showbox_token, 'content diagnose 0')
end
tex.sprint(initex_catcodetable, global_token, deadcycles_token, '0', endgroup_token)
end
end
lmlt.luacmd("shipout", function()
local outlist = scan_box()
local pfile = get_pfile()
local total_voffset, total_hoffset = tex.voffset + pdfvariable.vorigin, tex.hoffset + pdfvariable.horigin
local voff = node.new'kern'
voff.kern = total_voffset
voff.next = scan_box()
voff.next = outlist
voff.next.shift = total_hoffset
local list = node.direct.tonode(node.direct.vpack(node.direct.todirect(voff)))
local pageheight, pagewidth = tex.pageheight, tex.pagewidth
@ -101,8 +112,11 @@ lmlt.luacmd("shipout", function()
cur_page = nil
local content = pfile:stream(nil, '', out)
pfile:indirect(page, string.format([[<</Type/Page/Parent %i 0 R/Contents %i 0 R/MediaBox[0 %i %i %i]/Resources%s%s%s%s>>]], parent, content, -math.ceil(to_bp(list.depth)), math.ceil(to_bp(list.width)), math.ceil(to_bp(list.height)), resources(pdfvariable.pageresources .. pdf.pageresources), annots, pdfvariable.pageattr, pdf.pageattributes))
node.flush_list(list)
tex.runlocal(reset_deadcycles)
tex.runlocal(begin_group)
tex.box[0] = outlist
list.head.next = nil
node.free(list)
tex.runlocal(finalize_shipout)
end, 'force', 'protected')
local infodir = ""