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Diffstat (limited to 'tex/generic/context/luatex-fonts-merged.lua')
-rw-r--r--tex/generic/context/luatex-fonts-merged.lua199
1 files changed, 153 insertions, 46 deletions
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index 514a4e077..aac55170c 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 03/20/10 22:59:11
+-- merge date : 03/25/10 23:12:19
do -- begin closure to overcome local limits and interference
@@ -2237,10 +2237,12 @@ local penalty = node.id('penalty')
local kern = node.id('kern')
local whatsit = node.id('whatsit')
-local traverse_id = node.traverse_id
-local traverse = node.traverse
-local free_node = node.free
-local remove_node = node.remove
+local traverse_id = node.traverse_id
+local traverse = node.traverse
+local free_node = node.free
+local remove_node = node.remove
+local insert_node_before = node.insert_before
+local insert_node_after = node.insert_after
function nodes.remove(head, current, free_too)
local t = current
@@ -2260,8 +2262,8 @@ function nodes.delete(head,current)
return nodes.remove(head,current,true)
end
-nodes.before = node.insert_before
-nodes.after = node.insert_after
+nodes.before = insert_node_before
+nodes.after = insert_node_after
-- we need to test this, as it might be fixed now
@@ -2301,21 +2303,31 @@ function nodes.after(h,c,n)
return n, n
end
-function nodes.replace(head,current,new)
- if current and next then
- local p, n = current.prev, current.next
- new.prev, new.next = p, n
- if p then
- p.next = new
- else
+-- local h, c = nodes.replace(head,current,new)
+-- local c = nodes.replace(false,current,new)
+-- local c = nodes.replace(current,new)
+
+function nodes.replace(head,current,new) -- no head returned if false
+ if not new then
+ head, current, new = false, head, current
+ end
+ local prev, next = current.prev, current.next
+ if next then
+ new.next, next.prev = next, new
+ end
+ if prev then
+ new.prev, prev.next = prev, new
+ end
+ if head then
+ if head == current then
head = new
end
- if n then
- n.prev = new
- end
free_node(current)
+ return head, new
+ else
+ free_node(current)
+ return new
end
- return head, current
end
-- will move
@@ -2373,7 +2385,10 @@ if not modules then modules = { } end modules ['node-res'] = {
}
local gmatch, format = string.gmatch, string.format
-local copy_node, free_node, free_list, new_node = node.copy, node.free, node.flush_list, node.new
+local copy_node, free_node, free_list, new_node, node_type, node_id = node.copy, node.free, node.flush_list, node.new, node.type, node.id
+local tonumber, round = tonumber, math.round
+
+local glyph_node = node_id("glyph")
--[[ldx--
<p>The next function is not that much needed but in <l n='context'/> we use
@@ -2391,16 +2406,21 @@ for k, v in pairs(node.whatsits()) do
whatsits[k], whatsits[v] = v, k -- two way
end
-function nodes.register(n)
+local function register_node(n)
reserved[#reserved+1] = n
return n
end
+nodes.register = register_node
+
function nodes.cleanup_reserved(nofboxes) -- todo
nodes.tracers.steppers.reset() -- todo: make a registration subsystem
local nr, nl = #reserved, 0
for i=1,nr do
- free_node(reserved[i])
+ local ri = reserved[i]
+ -- if not (ri.id == glue_spec and not ri.is_writable) then
+ free_node(reserved[i])
+ -- end
end
if nofboxes then
local tb = tex.box
@@ -2424,19 +2444,37 @@ function nodes.usage()
return t
end
-local disc = nodes.register(new_node("disc"))
-local kern = nodes.register(new_node("kern",1))
-local penalty = nodes.register(new_node("penalty"))
-local glue = nodes.register(new_node("glue"))
-local glue_spec = nodes.register(new_node("glue_spec"))
-local glyph = nodes.register(new_node("glyph",0))
-local textdir = nodes.register(new_node("whatsit",whatsits.dir)) -- 7 (6 is local par node)
-local rule = nodes.register(new_node("rule"))
-local latelua = nodes.register(new_node("whatsit",whatsits.late_lua)) -- 35
-local user_n = nodes.register(new_node("whatsit",whatsits.user_defined)) user_n.type = 100 -- 44
-local user_l = nodes.register(new_node("whatsit",whatsits.user_defined)) user_l.type = 110 -- 44
-local user_s = nodes.register(new_node("whatsit",whatsits.user_defined)) user_s.type = 115 -- 44
-local user_t = nodes.register(new_node("whatsit",whatsits.user_defined)) user_t.type = 116 -- 44
+local disc = register_node(new_node("disc"))
+local kern = register_node(new_node("kern",1))
+local penalty = register_node(new_node("penalty"))
+local glue = register_node(new_node("glue")) -- glue.spec = nil
+local glue_spec = register_node(new_node("glue_spec"))
+local glyph = register_node(new_node("glyph",0))
+local textdir = register_node(new_node("whatsit",whatsits.dir)) -- 7 (6 is local par node)
+local rule = register_node(new_node("rule"))
+local latelua = register_node(new_node("whatsit",whatsits.late_lua)) -- 35
+local user_n = register_node(new_node("whatsit",whatsits.user_defined)) user_n.type = 100 -- 44
+local user_l = register_node(new_node("whatsit",whatsits.user_defined)) user_l.type = 110 -- 44
+local user_s = register_node(new_node("whatsit",whatsits.user_defined)) user_s.type = 115 -- 44
+local user_t = register_node(new_node("whatsit",whatsits.user_defined)) user_t.type = 116 -- 44
+local left_margin_kern = register_node(new_node("margin_kern",0))
+local right_margin_kern = register_node(new_node("margin_kern",1))
+local lineskip = register_node(new_node("glue",1))
+local baselineskip = register_node(new_node("glue",2))
+local leftskip = register_node(new_node("glue",8))
+local rightskip = register_node(new_node("glue",9))
+local temp = register_node(new_node("temp",0))
+
+function nodes.zeroglue(n)
+ local s = n.spec
+ return not writable or (
+ s.width == 0
+ and s.stretch == 0
+ and s.shrink == 0
+ and s.stretch_order == 0
+ and s.shrink_order == 0
+ )
+end
function nodes.glyph(fnt,chr)
local n = copy_node(glyph)
@@ -2444,48 +2482,114 @@ function nodes.glyph(fnt,chr)
if chr then n.char = chr end
return n
end
+
function nodes.penalty(p)
local n = copy_node(penalty)
n.penalty = p
return n
end
+
function nodes.kern(k)
local n = copy_node(kern)
n.kern = k
return n
end
-function nodes.glue(width,stretch,shrink)
- local n, s = copy_node(glue), copy_node(glue_spec)
- s.width, s.stretch, s.shrink = width, stretch, shrink
- n.spec = s
- return n
-end
+
function nodes.glue_spec(width,stretch,shrink)
local s = copy_node(glue_spec)
s.width, s.stretch, s.shrink = width, stretch, shrink
return s
end
+
+local function someskip(skip,width,stretch,shrink)
+ local n = copy_node(skip)
+ if not width then
+ -- no spec
+ elseif tonumber(width) then
+ local s = copy_node(glue_spec)
+ s.width, s.stretch, s.shrink = width, stretch, shrink
+ n.spec = s
+ else
+ -- shared
+ n.spec = copy_node(width)
+ end
+ return n
+end
+
+function nodes.glue(width,stretch,shrink)
+ return someskip(glue,width,stretch,shrink)
+end
+function nodes.leftskip(width,stretch,shrink)
+ return someskip(leftskip,width,stretch,shrink)
+end
+function nodes.rightskip(width,stretch,shrink)
+ return someskip(rightskip,width,stretch,shrink)
+end
+function nodes.lineskip(width,stretch,shrink)
+ return someskip(lineskip,width,stretch,shrink)
+end
+function nodes.baselineskip(width,stretch,shrink)
+ return someskip(baselineskip,width,stretch,shrink)
+end
+
function nodes.disc()
return copy_node(disc)
end
+
function nodes.textdir(dir)
local t = copy_node(textdir)
t.dir = dir
return t
end
-function nodes.rule(w,h,d)
+
+function nodes.rule(width,height,depth,dir)
local n = copy_node(rule)
- if w then n.width = w end
- if h then n.height = h end
- if d then n.depth = d end
+ if width then n.width = width end
+ if height then n.height = height end
+ if depth then n.depth = depth end
+ if dir then n.dir = dir end
return n
end
+
function nodes.latelua(code)
local n = copy_node(latelua)
n.data = code
return n
end
+function nodes.leftmarginkern(glyph,width)
+ local n = copy_node(left_margin_kern)
+ if not glyph then
+ logs.fatal("nodes","invalid pointer to left margin glyph node")
+ elseif glyph.id ~= glyph_node then
+ logs.fatal("nodes","invalid node type %s for left margin glyph node",node_type(glyph))
+ else
+ n.glyph = glyph
+ end
+ if width then
+ n.width = width
+ end
+ return n
+end
+
+function nodes.rightmarginkern(glyph,width)
+ local n = copy_node(right_margin_kern)
+ if not glyph then
+ logs.fatal("nodes","invalid pointer to right margin glyph node")
+ elseif glyph.id ~= glyph_node then
+ logs.fatal("nodes","invalid node type %s for right margin glyph node",node_type(p))
+ else
+ n.glyph = glyph
+ end
+ if width then
+ n.width = width
+ end
+ return n
+end
+
+function nodes.temp()
+ return copy_node(temp)
+end
--[[
<p>At some point we ran into a problem that the glue specification
of the zeropoint dimension was overwritten when adapting a glue spec
@@ -10501,6 +10605,8 @@ local insert_node_after = node.insert_after
local insert_node_before = node.insert_before
local traverse_node_list = node.traverse
+local new_glue_node = nodes.glue
+
local fontdata = fonts.ids
local state = attributes.private('state')
@@ -10762,11 +10868,12 @@ function fonts.analyzers.methods.arab(head,font,attr) -- maybe make a special ve
end
first, last = finish(first,last)
if removejoiners then
+ -- is never head
for i=1,#joiners do
- head = delete_node(head,joiners[i])
+ delete_node(head,joiners[i])
end
for i=1,#nonjoiners do
- head = replace_node(head,nonjoiners[i],nodes.glue(0)) -- or maybe a kern
+ replace_node(head,nonjoiners[i],new_glue_node(0)) -- or maybe a kern
end
end
return head, done
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 18:11:46 +0000