/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/t/turtle.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 | package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Turtle lexer.
var Turtle = internal.Register(MustNewLexer(
&Config{
Name: "Turtle",
Aliases: []string{"turtle"},
Filenames: []string{"*.ttl"},
MimeTypes: []string{"text/turtle", "application/x-turtle"},
NotMultiline: true,
CaseInsensitive: true,
},
Rules{
"root": {
{`\s+`, TextWhitespace, nil},
{"(@base|BASE)(\\s+)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)(\\s*)(\\.?)", ByGroups(Keyword, TextWhitespace, NameVariable, TextWhitespace, Punctuation), nil},
{"(@prefix|PREFIX)(\\s+)((?:[a-z][\\w-]*)?\\:)(\\s+)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)(\\s*)(\\.?)", ByGroups(Keyword, TextWhitespace, NameNamespace, TextWhitespace, NameVariable, TextWhitespace, Punctuation), nil},
{`(?<=\s)a(?=\s)`, KeywordType, nil},
{"(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)", NameVariable, nil},
{`((?:[a-z][\w-]*)?\:)([a-z][\w-]*)`, ByGroups(NameNamespace, NameTag), nil},
{`#[^\n]+`, Comment, nil},
{`\b(true|false)\b`, Literal, nil},
{`[+\-]?\d*\.\d+`, LiteralNumberFloat, nil},
{`[+\-]?\d*(:?\.\d+)?E[+\-]?\d+`, LiteralNumberFloat, nil},
{`[+\-]?\d+`, LiteralNumberInteger, nil},
{`[\[\](){}.;,:^]`, Punctuation, nil},
{`"""`, LiteralString, Push("triple-double-quoted-string")},
{`"`, LiteralString, Push("single-double-quoted-string")},
{`'''`, LiteralString, Push("triple-single-quoted-string")},
{`'`, LiteralString, Push("single-single-quoted-string")},
},
"triple-double-quoted-string": {
{`"""`, LiteralString, Push("end-of-string")},
{`[^\\]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"single-double-quoted-string": {
{`"`, LiteralString, Push("end-of-string")},
{`[^"\\\n]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"triple-single-quoted-string": {
{`'''`, LiteralString, Push("end-of-string")},
{`[^\\]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"single-single-quoted-string": {
{`'`, LiteralString, Push("end-of-string")},
{`[^'\\\n]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"string-escape": {
{`.`, LiteralString, Pop(1)},
},
"end-of-string": {
{`(@)([a-z]+(:?-[a-z0-9]+)*)`, ByGroups(Operator, GenericEmph, GenericEmph), Pop(2)},
{"(\\^\\^)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)", ByGroups(Operator, GenericEmph), Pop(2)},
{`(\^\^)((?:[a-z][\w-]*)?\:)([a-z][\w-]*)`, ByGroups(Operator, GenericEmph, GenericEmph), Pop(2)},
Default(Pop(2)),
},
},
))
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