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
|
syntax .ruby-esc
# TODO: \unnnn Unicode codepoint, where nnnn is exactly 4 hex digits
# TODO: \u{nnnn ...} Unicode codepoint(s), where each nnnn is 1-6 hex digits
state esc special
char "abefnrstv'\\\"" END special
char 0-7 oct1
char x hex0
char c control
str 'C-' control
str 'M-' meta
noeat END
state oct1 special
char 0-7 oct2
noeat END
state oct2 special
char 0-7 END special
noeat END
state hex0 special
char 0-9a-fA-F hex1
noeat END
state hex1 special
char 0-9a-fA-F END special
noeat END
state control special
str "\\M-" ascii-print
noeat ascii-print
state meta special
str "\\c" ascii-print
str "\\C-" ascii-print
noeat ascii-print
state ascii-print special
char "\x21-\x7e" END special
noeat END
syntax ruby
# TODO: %Q() strings
# TODO: Expression substitution in strings (e.g. "my name is #{$ruby}")
# TODO: Here document strings (e.g. print <<EOF ...)
# TODO: Command output (e.g. `date` or %x{ date })
# TODO: Regular expression literals (e.g. /^Ruby/i or %r|^/usr/local/.*|)
# TODO: Numeric literals
state line-start code
char "\n" this
char = line-start-eq
noeat start
state start code
char # comment
char "\n" line-start
char -b a-zA-Z_ ident
char '"' dq
char "'" sq
char \$ global-variable
char -b @ maybe-instance-variable
char -b : maybe-symbol
eat this
state global-variable
char a-zA-Z0-9_- this
char !@&`\'+~=/\\,\;.<>*\$?:\" start global-variable
noeat start
state maybe-instance-variable instance-variable
char -b a-zA-Z_ instance-variable
recolor code
noeat start
state instance-variable
char a-zA-Z0-9_ this
noeat start
state maybe-symbol symbol
char -b a-zA-Z_ symbol
char -b : double-colon
recolor code
noeat start
state double-colon
recolor double-colon
noeat start
state symbol
char a-zA-Z0-9_ this
noeat start
state comment
char "\n" line-start
eat this
state line-start-eq comment
str 'begin' =begin
recolor code 1
noeat start
state =begin comment
char "\n" =begin-line-start
char " \t" =begin-text
recolor code 6
noeat start
state =begin-text comment
char "\n" =begin-line-start
eat this
state =begin-line-start comment
char "\n" this
str '=end' =begin-maybe-end
noeat =begin-text
state =begin-maybe-end comment
char "\n" line-start
char " \t" =end
noeat =begin-text
state =end comment
char "\n" line-start
eat this
state ident
char -b a-zA-Z0-9_!? this
inlist keyword start
inlist true-false-nil start
noeat start
state dq string
char "\"" start string
char "\n" line-start
char -b "\\" .ruby-esc:this
eat this
state sq string
char "'" start string
char "\n" line-start
char -b "\\" .ruby-esc:this
eat this
list keyword \
__ENCODING__ __LINE__ __FILE__ BEGIN END \
alias and begin break case class def defined? do else elsif end \
ensure for if in module next not or redo rescue retry return self \
super then undef unless until when while yield
# These keywords could be in the same list as above but they are kept
# separate here to allow the option of highlighting with a different color
list true-false-nil \
true false nil
default keyword true-false-nil
default numeric symbol
default variable global-variable
default variable instance-variable
default operator double-colon
|
