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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
# perl.ssh --- Sheet definitions for Perl files
# Copyright (c) 1988-1993 Miguel Santana
# Copyright (c) 1995-2000 Akim Demaille, Miguel Santana, Denis Girou
#
#
# This file is part of a2ps.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
## TODO
# Finer grained sub, require etc. handling (regexps?)
# Make the difference between a proto and a def
# Generic s/// handling?
style Perl is
written by "Denis Girou <Denis.Girou@idris.fr>"
version is 2.11
requires a2ps version 4.13
documentation is
"As most interpreted languages, Perl is very free on its syntax, what"
"leads to significant problems for a pretty printer. Please, be kind"
"with our try. Any improvement is most welcome."
end documentation
first alphabet is
"$@ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_"
second alphabet is
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_"
case sensitive
keywords in Keyword_strong are
if, BEGIN, CORE, END, __FILE__, __LINE__, abs, accept, alarm, and,
atan, atan2, bind, binmode, bless, caller, chdir, chmod, chop,
chown, chr, chroot, close, closedir, cmp, connect, continue, cos,
crypt, dbmclose, dbmopen, defined, delete, die, do, dump, each,
else, elsif, endgrent, endhostent, endnetent, endprotoent,
endpwent, endservent, eof, eq, eval, exec, exit, exp, fcntl,
fileno, flock, for, foreach, fork, formline, ge, getc, getgrent,
getgrgid, getgrnam, gethostbyaddr, gethostbyname, gethostent,
getlogin, getnetbyaddr, getnetbyname, getnetent, getpeername,
getpgrp, getppid, getpriority, getprotobyname, getprotobynumber,
getprotoent, getpwent, getpwnam, getpwuid, getservbyname,
getservbyport, getservent, getsockname, getsockopt, glob, gmtime,
goto, grep, gt, hex, index, int, ioctl, join, keys, kill, last,
lc, lcfirst, le, length, link, listen, local, localtime, log,
lstat, lt, mkdir, msgctl, msgget, msgrcv, msgsnd, my, ne, next,
not, oct, open, opendir, or, ord, pack, package, pipe, pop, print,
printf, push, q, qq, quotemeta, qw, rand, read, readdir, readline,
readlink, readpipe, recv, redo, ref, rename, require, reset,
return, reverse, rewinddir, rindex, rmdir, seek, seekdir, select,
semctl, semget, semop, send, setgrent, sethostent, setnetent,
setpgrp, setpriority, setprotoent, setpwent, setservent,
setsockopt, shift, shmctl, shmget, shmread, shmwrite, shutdown,
sin, sleep, socket, socketpair, sort, split, sprintf, sqrt, srand,
stat, study, sub, substr, symlink, syscall, sysread, system,
syswrite, tell, telldir, time, times, truncate, uc, ucfirst,
umask, undef, unless, unlink, unpack, unshift, until, use, utime,
values, vec, wait, waitpid, wantarray, warn, while, write, x, xor
end keywords
# Since regex cannot be spread upon several lines, they are
# handled thanks to operators, not sequences.
operators are
# I'd be damned. $' is not starting a string :(
"$'" Plain,
# and $# does not start a comment.
"$#" Plain,
# There can be quoted characters in the test.
/\\\\./ Plain,
# Functions calls
/(&[[:alnum:]_]+)/ Label,
# Regular expressions: chars not (`/' and '\') or `\.' between `/'.
/\/([^\\\/]|\\\\.)*\// Plain,
# Matching:
# One regexp with a single char as delimiter
(/(m)/ # 1. The command: `m'
/([[:punct:]])/ # 2. The delimiter
/(/ # 3. The regexp
/(.|\\\\.)*/
/)/
/\\2/ # Closer
\1 Keyword_strong, \2 Plain, \3 Plain, \2 Plain),
# Substitution and transliteration:
# two regexps with a single char as delimiter
(/(s|tr)/ # 1. The command: `tr' or `s'
/(([[:punct:]])/ # 2. The delimiter
/(/ # 3. The *two* regexps
/(.|\\\\.)*/ # First regexp
/\\3/ # Separator
/(.|\\\\.)*/ # Second Regexp
/)/ #
/\\3)/ # Closer
\1 Keyword_strong, \2 Plain),
# Substitution and transliteration:
# two regexps with ()() as delimiter
(/(s|tr)/ # The command: `tr' or `s'
/(\\(/ # The delimiter
/([^)]|\\\\.)*/ # First part
/\\)[^(]*\\(/ # The separation
/([^)]|\\\\.)*/ # Second part
/\\))/ # Closer
\1 Keyword_strong, \2 Plain),
# Substitution and transliteration:
# two regexps with {}{} as delimiter
(/(s|tr)/ # The command: `tr' or `s'
/(\\{/ # The delimiter
/([^}]|\\\\.)*/ # First part
/\\}[^{]*\\{/ # The separation
/([^}]|\\\\.)*/ # Second part
/\\})/ # Closer
\1 Keyword_strong, \2 Plain),
# Substitution and transliteration:
# two regexps with [][] as delimiter
(/(s|tr)/ # The command: `tr' or `s'
/(\\[/ # The delimiter
/([^]]|\\\\.)*/ # First part
/\\][^[]*\\[/ # The separation
/([^]]|\\\\.)*/ # Second part
/\\])/ # Closer
\1 Keyword_strong, \2 Plain)
end operators
sequences are
# Strings
C-string,
"'" Plain String "'" Plain
exceptions are
/\\\\./
end exceptions,
"`" Plain String "`" Plain
exceptions are
/\\\\./
end exceptions,
# A few << Constructs seen in html2ps and help2man
"<<EOC" Plain /^EOC/,
"<<EOD" Plain /^EOD/,
"<<EOT" Plain /^EOT/,
"<<'EOR'" Plain /^EOR/,
# Comments
"#" Comment,
/^=/ Comment_strong /^=cut/,
# Some declarations
(/(sub|require|use)/ # \1. the keyword
/([[:blank:]]+)/ # \2. blanks
\1 Keyword_strong, \2 Plain) (Label_strong + Index1)
closers are
/$/ Plain,
/[ ;{]/ Plain
end closers
end sequences
# Trying to support Some regexp from here
sequences are
# Regular expressions: m{}, m(), and m[]
("m(" "m" Keyword_strong, "(") Plain ")"
exceptions are
/\\\\./
end exceptions,
("m{" "m" Keyword_strong, "{") Plain "}"
exceptions are
/\\\\./
end exceptions,
("m[" "m" Keyword_strong, "[") Plain "]"
exceptions are
/\\\\./
end exceptions
end sequences
end style
|
