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
|
package r
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Ragel lexer.
var Ragel = internal.Register(MustNewLazyLexer(
&Config{
Name: "Ragel",
Aliases: []string{"ragel"},
Filenames: []string{},
MimeTypes: []string{},
},
ragelRules,
))
func ragelRules() Rules {
return Rules{
"whitespace": {
{`\s+`, TextWhitespace, nil},
},
"comments": {
{`\#.*$`, Comment, nil},
},
"keywords": {
{`(access|action|alphtype)\b`, Keyword, nil},
{`(getkey|write|machine|include)\b`, Keyword, nil},
{`(any|ascii|extend|alpha|digit|alnum|lower|upper)\b`, Keyword, nil},
{`(xdigit|cntrl|graph|print|punct|space|zlen|empty)\b`, Keyword, nil},
},
"numbers": {
{`0x[0-9A-Fa-f]+`, LiteralNumberHex, nil},
{`[+-]?[0-9]+`, LiteralNumberInteger, nil},
},
"literals": {
{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
{`'(\\\\|\\'|[^'])*'`, LiteralString, nil},
{`\[(\\\\|\\\]|[^\]])*\]`, LiteralString, nil},
{`/(?!\*)(\\\\|\\/|[^/])*/`, LiteralStringRegex, nil},
},
"identifiers": {
{`[a-zA-Z_]\w*`, NameVariable, nil},
},
"operators": {
{`,`, Operator, nil},
{`\||&|--?`, Operator, nil},
{`\.|<:|:>>?`, Operator, nil},
{`:`, Operator, nil},
{`->`, Operator, nil},
{`(>|\$|%|<|@|<>)(/|eof\b)`, Operator, nil},
{`(>|\$|%|<|@|<>)(!|err\b)`, Operator, nil},
{`(>|\$|%|<|@|<>)(\^|lerr\b)`, Operator, nil},
{`(>|\$|%|<|@|<>)(~|to\b)`, Operator, nil},
{`(>|\$|%|<|@|<>)(\*|from\b)`, Operator, nil},
{`>|@|\$|%`, Operator, nil},
{`\*|\?|\+|\{[0-9]*,[0-9]*\}`, Operator, nil},
{`!|\^`, Operator, nil},
{`\(|\)`, Operator, nil},
},
"root": {
Include("literals"),
Include("whitespace"),
Include("comments"),
Include("keywords"),
Include("numbers"),
Include("identifiers"),
Include("operators"),
{`\{`, Punctuation, Push("host")},
{`=`, Operator, nil},
{`;`, Punctuation, nil},
},
"host": {
{`([^{}\'"/#]+|[^\\]\\[{}]|"(\\\\|\\"|[^"])*"|'(\\\\|\\'|[^'])*'|//.*$\n?|/\*(.|\n)*?\*/|\#.*$\n?|/(?!\*)(\\\\|\\/|[^/])*/|/)+`, Other, nil},
{`\{`, Punctuation, Push()},
{`\}`, Punctuation, Pop(1)},
},
}
}
|
