/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/r/ragel.go is in golang-github-alecthomas-chroma-dev 0.4.0+git20180402.51d250f-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | package r
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Ragel lexer.
var Ragel = internal.Register(MustNewLexer(
&Config{
Name: "Ragel",
Aliases: []string{"ragel"},
Filenames: []string{},
MimeTypes: []string{},
},
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)},
},
},
))
|