diff options
Diffstat (limited to 'tex/context/base/node-pro.lua')
| -rw-r--r-- | tex/context/base/node-pro.lua | 111 |
1 files changed, 70 insertions, 41 deletions
diff --git a/tex/context/base/node-pro.lua b/tex/context/base/node-pro.lua index aa6692d7b..27e349893 100644 --- a/tex/context/base/node-pro.lua +++ b/tex/context/base/node-pro.lua @@ -13,15 +13,15 @@ local trace_callbacks = false trackers.register("nodes.callbacks", function(v) local report_nodes = logs.reporter("nodes","processors") -local nodes, node = nodes, node +local nodes = nodes local nodecodes = nodes.nodecodes local glyph_code = nodecodes.glyph local tasks = nodes.tasks +local nuts = nodes.nuts -local free_node = node.free -local first_glyph = node.first_glyph or node.first_character -local has_attribute = node.has_attribute +local first_glyph = nodes.first_glyph +local has_glyph = nodes.has_glyph nodes.processors = nodes.processors or { } local processors = nodes.processors @@ -31,43 +31,53 @@ local processors = nodes.processors local actions = tasks.actions("processors") -local n = 0 +do -local function reconstruct(head) -- we probably have a better one - local t, n, h = { }, 0, head - while h do + local tonut = nuts.tonut + local getid = nuts.getid + local getchar = nuts.getchar + local getnext = nuts.getnext + + local n = 0 + + local function reconstruct(head) -- we probably have a better one + local t, n, h = { }, 0, tonut(head) + while h do + n = n + 1 + local id = getid(h) + if id == glyph_code then -- todo: disc etc + t[n] = utfchar(getchar(h)) + else + t[n] = "[]" + end + h = getnext(h) + end + return concat(t) + end + + function processors.tracer(what,state,head,groupcode,before,after,show) + if not groupcode then + groupcode = "unknown" + elseif groupcode == "" then + groupcode = "mvl" + end n = n + 1 - local id = h.id - if id == glyph_code then -- todo: disc etc - t[n] = utfchar(h.char) + if show then + report_nodes("%s: location %a, state %a, group %a, # before %a, # after %s, stream: %s",what,n,state,groupcode,before,after,reconstruct(head)) else - t[n] = "[]" + report_nodes("%s: location %a, state %a, group %a, # before %a, # after %s",what,n,state,groupcode,before,after) end - h = h.next end - return concat(t) -end -local function tracer(what,state,head,groupcode,before,after,show) - if not groupcode then - groupcode = "unknown" - elseif groupcode == "" then - groupcode = "mvl" - end - n = n + 1 - if show then - report_nodes("%s: location %a, state %a, group %a, # before %a, # after %s, stream: %s",what,n,state,groupcode,before,after,reconstruct(head)) - else - report_nodes("%s: location %a, state %a, group %a, # before %a, # after %s",what,n,state,groupcode,before,after) - end end -processors.tracer = tracer +local tracer = processors.tracer processors.enabled = true -- this will become a proper state (like trackers) function processors.pre_linebreak_filter(head,groupcode) -- ,size,packtype,direction - local first, found = first_glyph(head) -- they really need to be glyphs + -- local first, found = first_glyph(head) -- they really need to be glyphs + local found = has_glyph(head) if found then if trace_callbacks then local before = nodes.count(head,true) @@ -94,10 +104,8 @@ local enabled = true function processors.hpack_filter(head,groupcode,size,packtype,direction) if enabled then - -- if not head.next and head.id ~= glyph_code then -- happens often but not faster - -- return true - -- end - local first, found = first_glyph(head) -- they really need to be glyphs + -- local first, found = first_glyph(head) -- they really need to be glyphs + local found = has_glyph(head) if found then if trace_callbacks then local before = nodes.count(head,true) @@ -121,15 +129,36 @@ function processors.hpack_filter(head,groupcode,size,packtype,direction) return true end -local hpack = node.hpack +do + + local setfield = nodes.setfield + local hpack = nodes.hpack + + function nodes.fasthpack(...) -- todo: pass explicit arguments + enabled = false + local hp, b = hpack(...) + setfield(hp,"prev",nil) + setfield(hp,"next",nil) + enabled = true + return hp, b + end + +end + +do + + local setfield = nuts.setfield + local hpack = nuts.hpack + + function nuts.fasthpack(...) -- todo: pass explicit arguments + enabled = false + local hp, b = hpack(...) + setfield(hp,"prev",nil) + setfield(hp,"next",nil) + enabled = true + return hp, b + end -function nodes.fasthpack(...) -- todo: pass explicit arguments - enabled = false - local hp, b = hpack(...) - hp.prev = nil - hp.next = nil - enabled = true - return hp, b end callbacks.register('pre_linebreak_filter', processors.pre_linebreak_filter, "all kind of horizontal manipulations (before par break)") |