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
|
if not modules then modules = { } end modules ['mtx-check'] = {
version = 1.001,
comment = "companion to mtxrun.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
scripts = scripts or { }
scripts.checker = scripts.checker or { }
local validator = { }
validator.n = 1
validator.errors = { }
validator.trace = false
validator.direct = false
validator.printer = print
validator.tracer = print
local message = function(position, kind)
local ve = validator.errors
ve[#ve+1] = { kind, position, validator.n }
if validator.direct then
validator.printer(string.format("%s error at position %s (line %s)", kind, position, validator.n))
end
end
local progress = function(position, data, kind)
if validator.trace then
validator.tracer(string.format("%s at position %s: %s", kind, position, data or ""))
end
end
local P, R, S, V, C, CP, CC = lpeg.P, lpeg.R, lpeg.S, lpeg.V, lpeg.C, lpeg.Cp, lpeg.Cc
local i_m, d_m = P("$"), P("$$")
local l_s, r_s = P("["), P("]")
local l_g, r_g = P("{"), P("}")
local okay = lpeg.P("{[}") + lpeg.P("{]}")
local esc = P("\\")
local cr = P("\r")
local lf = P("\n")
local crlf = P("\r\n")
local space = S(" \t\f\v")
local newline = crlf + cr + lf
local line = newline / function() validator.n = validator.n + 1 end
-- local grammar = P { "tokens",
-- ["tokens"] = (V("whatever") + V("grouped") + V("setup") + V("display") + V("inline") + V("errors") + 1)^0,
-- ["whatever"] = line + esc * 1 + C(P("%") * (1-line)^0),
-- ["grouped"] = CP() * C(l_g * (V("whatever") + V("grouped") + V("setup") + V("display") + V("inline") + (1 - l_g - r_g))^0 * r_g) * CC("group") / progress,
-- ["setup"] = CP() * C(l_s * (V("whatever") + V("grouped") + V("setup") + V("display") + V("inline") + (1 - l_s - r_s))^0 * r_s) * CC("setup") / progress,
-- ["display"] = CP() * C(d_m * (V("whatever") + V("grouped") + (1 - d_m))^0 * d_m) * CC("display") / progress,
-- ["inline"] = CP() * C(i_m * (V("whatever") + V("grouped") + (1 - i_m))^0 * i_m) * CC("inline") / progress,
-- ["errors"] = (V("gerror") + V("serror") + V("derror") + V("ierror")) * true,
-- ["gerror"] = CP() * (l_g + r_g) * CC("grouping") / message,
-- ["serror"] = CP() * (l_s + r_g) * CC("setup error") / message,
-- ["derror"] = CP() * d_m * CC("display math error") / message,
-- ["ierror"] = CP() * i_m * CC("inline math error") / message,
-- }
local startluacode = P("\\startluacode")
local stopluacode = P("\\stopluacode")
local somecode = startluacode * (1-stopluacode)^1 * stopluacode
local grammar = P { "tokens",
["tokens"] = (V("ignore") + V("whatever") + V("grouped") + V("setup") + V("display") + V("inline") + V("errors") + 1)^0,
["whatever"] = line + esc * 1 + C(P("%") * (1-line)^0),
["grouped"] = l_g * (V("whatever") + V("grouped") + V("setup") + V("display") + V("inline") + (1 - l_g - r_g))^0 * r_g,
["setup"] = l_s * (okay + V("whatever") + V("grouped") + V("setup") + V("display") + V("inline") + (1 - l_s - r_s))^0 * r_s,
["display"] = d_m * (V("whatever") + V("grouped") + (1 - d_m))^0 * d_m,
["inline"] = i_m * (V("whatever") + V("grouped") + (1 - i_m))^0 * i_m,
["errors"] = (V("gerror")+ V("serror") + V("derror") + V("ierror")),
["gerror"] = CP() * (l_g + r_g) * CC("grouping") / message,
["serror"] = CP() * (l_s + r_g) * CC("setup error") / message,
["derror"] = CP() * d_m * CC("display math error") / message,
["ierror"] = CP() * i_m * CC("inline math error") / message,
["ignore"] = somecode,
}
function validator.check(str)
validator.n = 1
validator.errors = { }
grammar:match(str)
end
--~ str = [[
--~ a{oeps {oe\{\}ps} }
--~ test { oeps \} \[\] oeps \setupxxx[oeps=bla]}
--~ test $$ \hbox{$ oeps \} \[\] oeps $} $$
--~ {$x\$xx$ $
--~ ]]
--~ str = string.rep(str,10)
function scripts.checker.check(filename)
local str = io.loaddata(filename)
if str then
validator.check(str)
local errors = validator.errors
if #errors > 0 then
for k=1,#errors do
local v = errors[k]
local kind, position, line = v[1], v[2], v[3]
local data = str:sub(position-30,position+30)
data = data:gsub("(.)", {
["\n"] = " <lf> ",
["\r"] = " <cr> ",
["\t"] = " <tab> ",
})
data = data:gsub("^ *","")
print(string.format("% 5i %-10s %s", line, kind, data))
end
else
print("no error")
end
else
print("no file")
end
end
logs.extendbanner("Basic ConTeXt Syntax Checking 0.10")
messages.help = [[
--convert check tex file for errors
]]
if environment.argument("check") then
scripts.checker.check(environment.files[1])
elseif environment.argument("help") then
logs.help(messages.help)
elseif environment.files[1] then
scripts.checker.check(environment.files[1])
end
|
