summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/context/base/luat-deb.lua
blob: a32d923bd93288c9f1c9cfcc9ae1ea9cb86fbf23 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
-- filename : luat-deb.lua
-- comment  : companion to luat-deb.tex
-- author   : Hans Hagen, PRAGMA-ADE, Hasselt NL
-- copyright: PRAGMA ADE / ConTeXt Development Team
-- license  : see context related readme files

if not versions      then versions      = { } end versions['luat-deb'] = 1.001
if not lmx           then lmx           = { } end
if not lmx.variables then lmx.variables = { } end

lmx.variables['color-background-green']  = '#4F6F6F'
lmx.variables['color-background-blue']   = '#6F6F8F'
lmx.variables['color-background-yellow'] = '#8F8F6F'
lmx.variables['color-background-purple'] = '#8F6F8F'

lmx.variables['color-background-body']   = '#808080'
lmx.variables['color-background-main']   = '#3F3F3F'
lmx.variables['color-background-one']    = lmx.variables['color-background-green']
lmx.variables['color-background-two']    = lmx.variables['color-background-blue']

lmx.variables['title-default']           = 'ConTeXt Status Information'
lmx.variables['title']                   = lmx.variables['title-default']

if not tracers         then tracers         = { } end
if not tracers.list    then tracers.list    = { } end
if not tracers.strings then tracers.strings = { } end

tracers.strings.undefined = "undefined"

function tracers.split(csname)
    return csname:match("^(.+):(.+)$")
end

function tracers.type(csname)
    tag, name = tracers.split(csname)
    if tag then return tag else return nil end
end

function tracers.name(csname)
    tag, name = tracers.split(csname)
    if tag then return name else return csname end
end

function tracers.cs(csname)
    tag, name = tracers.split(csname)
    if tracers.types[tag] then
        return tracers.types[tag](name)
    else
        return tracers.primitive(csname)
    end
end

function tracers.dimen(name)
    return (tex.dimen[name] and number.topoints(tex.dimen[name])) or tracers.strings.undefined
end

function tracers.count(name)
    return tex.count[name] or tracers.strings.undefined
end

function tracers.toks(name)
    return (tex.toks[name] and string.limit(tex.toks[name],40)) or tracers.strings.undefined
end

function tracers.primitive(name)
    return tex[name] or tracers.strings.undefined
end

tracers.types = {
    ['d'] = tracers.dimen,
    ['c'] = tracers.count,
    ['t'] = tracers.toks,
    ['p'] = tracers.primitive
}

function tracers.knownlist(name)
    return tracers.list[name] and #tracers.list[name] > 0
end

function tracers.showdebuginfo()
    lmx.set('title', 'ConTeXt Debug Information')
    lmx.set('color-background-one', lmx.get('color-background-green'))
    lmx.set('color-background-two', lmx.get('color-background-blue'))
    lmx.show('context-debug.lmx')
    lmx.restore()
end

function tracers.showerror()
    lmx.set('title', 'ConTeXt Error Information')
    lmx.set('errormessage', status.lasterrorstring)
    lmx.set('linenumber', status.linenumber)
    lmx.set('color-background-one', lmx.get('color-background-yellow'))
    lmx.set('color-background-two', lmx.get('color-background-purple'))
    local filename = status.filename
    local linenumber = tonumber(status.linenumber or "0")
    if not filename then
        lmx.set('filename', 'unknown')
        lmx.set('errorcontext', 'error in filename')
    elseif type(filename) == "number" then
        lmx.set('filename', "<read " .. filename .. ">")
        lmx.set('errorcontext', 'unknown error')
    elseif io.exists(filename) then
        -- todo: use an input opener so that we also catch utf16 an reencoding
        lmx.set('filename', filename)
        lines = io.lines(filename)
        if lines then
            local context = { }
            n, m = 1, linenumber
            b, e = m-10, m+10
            s = string.len(tostring(e))
            for line in lines do
                if n > e then
                    break
                elseif n > b then
                    if n == m then
                        context[#context+1] = string.format("%" .. s .. "d",n) .. " >>  " .. line
                    else
                        context[#context+1] = string.format("%" .. s .. "d",n) .. "     " .. line
                    end
                end
                n = n + 1
            end
            lmx.set('errorcontext', table.concat(context,"\n"))
        else
            lmx.set('errorcontext', "")
        end
    else
        lmx.set('filename', filename)
        lmx.set('errorcontext', 'file not found')
    end
    lmx.show('context-error.lmx')
    lmx.restore()
end

function tracers.overloaderror()
--~     callback.register('show_error_hook', function(identifier, filename, linenumber)
--~         tracers.showerror(identifier, filename, linenumber)
--~     end )
    callback.register('show_error_hook', tracers.showerror)
end

tracers.list['scratch'] = {
    0, 2, 4, 6, 8
}

tracers.list['internals'] = {
    'p:hsize', 'p:parindent', 'p:leftskip','p:rightskip',
    'p:vsize', 'p:parskip', 'p:baselineskip', 'p:lineskip', 'p:topskip'
}

tracers.list['context'] = {
    'd:lineheight',
    'c:realpageno', 'c:pageno', 'c:subpageno'
}