/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/b/bash.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 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | package b
import (
"regexp"
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
var bashAnalyserRe = regexp.MustCompile(`(?m)^#!.*/bin/(?:env |)(?:bash|zsh|sh|ksh)`)
// Bash lexer.
var Bash = internal.Register(MustNewLexer(
&Config{
Name: "Bash",
Aliases: []string{"bash", "sh", "ksh", "zsh", "shell"},
Filenames: []string{"*.sh", "*.ksh", "*.bash", "*.ebuild", "*.eclass", "*.exheres-0", "*.exlib", "*.zsh", "*.zshrc", ".bashrc", "bashrc", ".bash_*", "bash_*", "zshrc", ".zshrc", "PKGBUILD"},
MimeTypes: []string{"application/x-sh", "application/x-shellscript"},
},
Rules{
"root": {
Include("basic"),
{"`", LiteralStringBacktick, Push("backticks")},
Include("data"),
Include("interp"),
},
"interp": {
{`\$\(\(`, Keyword, Push("math")},
{`\$\(`, Keyword, Push("paren")},
{`\$\{#?`, LiteralStringInterpol, Push("curly")},
{`\$[a-zA-Z_]\w*`, NameVariable, nil},
{`\$(?:\d+|[#$?!_*@-])`, NameVariable, nil},
{`\$`, Text, nil},
},
"basic": {
{`\b(if|fi|else|while|do|done|for|then|return|function|case|select|continue|until|esac|elif)(\s*)\b`, ByGroups(Keyword, Text), nil},
{"\\b(alias|bg|bind|break|builtin|caller|cd|command|compgen|complete|declare|dirs|disown|echo|enable|eval|exec|exit|export|false|fc|fg|getopts|hash|help|history|jobs|kill|let|local|logout|popd|printf|pushd|pwd|read|readonly|set|shift|shopt|source|suspend|test|time|times|trap|true|type|typeset|ulimit|umask|unalias|unset|wait)(?=[\\s)`])", NameBuiltin, nil},
{`\A#!.+\n`, CommentPreproc, nil},
{`#.*\n`, CommentSingle, nil},
{`\\[\w\W]`, LiteralStringEscape, nil},
{`(\b\w+)(\s*)(\+?=)`, ByGroups(NameVariable, Text, Operator), nil},
{`[\[\]{}()=]`, Operator, nil},
{`<<<`, Operator, nil},
{`<<-?\s*(\'?)\\?(\w+)[\w\W]+?\2`, LiteralString, nil},
{`&&|\|\|`, Operator, nil},
},
"data": {
{`(?s)\$?"(\\\\|\\[0-7]+|\\.|[^"\\$])*"`, LiteralStringDouble, nil},
{`"`, LiteralStringDouble, Push("string")},
{`(?s)\$'(\\\\|\\[0-7]+|\\.|[^'\\])*'`, LiteralStringSingle, nil},
{`(?s)'.*?'`, LiteralStringSingle, nil},
{`;`, Punctuation, nil},
{`&`, Punctuation, nil},
{`\|`, Punctuation, nil},
{`\s+`, Text, nil},
{`\d+\b`, LiteralNumber, nil},
{"[^=\\s\\[\\]{}()$\"\\'`\\\\<&|;]+", Text, nil},
{`<`, Text, nil},
},
"string": {
{`"`, LiteralStringDouble, Pop(1)},
{`(?s)(\\\\|\\[0-7]+|\\.|[^"\\$])+`, LiteralStringDouble, nil},
Include("interp"),
},
"curly": {
{`\}`, LiteralStringInterpol, Pop(1)},
{`:-`, Keyword, nil},
{`\w+`, NameVariable, nil},
{"[^}:\"\\'`$\\\\]+", Punctuation, nil},
{`:`, Punctuation, nil},
Include("root"),
},
"paren": {
{`\)`, Keyword, Pop(1)},
Include("root"),
},
"math": {
{`\)\)`, Keyword, Pop(1)},
{`[-+*/%^|&]|\*\*|\|\|`, Operator, nil},
{`\d+#\d+`, LiteralNumber, nil},
{`\d+#(?! )`, LiteralNumber, nil},
{`\d+`, LiteralNumber, nil},
Include("root"),
},
"backticks": {
{"`", LiteralStringBacktick, Pop(1)},
Include("root"),
},
},
).SetAnalyser(func(text string) float32 {
if bashAnalyserRe.FindString(text) != "" {
return 1.0
}
return 0.0
}))
|