/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/a/apl.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 | package a
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Apl lexer.
var Apl = internal.Register(MustNewLexer(
&Config{
Name: "APL",
Aliases: []string{"apl"},
Filenames: []string{"*.apl"},
MimeTypes: []string{},
},
Rules{
"root": {
{`\s+`, Text, nil},
{`[⍝#].*$`, CommentSingle, nil},
{`\'((\'\')|[^\'])*\'`, LiteralStringSingle, nil},
{`"(("")|[^"])*"`, LiteralStringDouble, nil},
{`[⋄◇()]`, Punctuation, nil},
{`[\[\];]`, LiteralStringRegex, nil},
{`⎕[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*`, NameFunction, nil},
{`[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*`, NameVariable, nil},
{`¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞)([Jj]¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞))?`, LiteralNumber, nil},
{`[\.\\/⌿⍀¨⍣⍨⍠⍤∘]`, NameAttribute, nil},
{`[+\-×÷⌈⌊∣|⍳?*⍟○!⌹<≤=>≥≠≡≢∊⍷∪∩~∨∧⍱⍲⍴,⍪⌽⊖⍉↑↓⊂⊃⌷⍋⍒⊤⊥⍕⍎⊣⊢⍁⍂≈⌸⍯↗]`, Operator, nil},
{`⍬`, NameConstant, nil},
{`[⎕⍞]`, NameVariableGlobal, nil},
{`[←→]`, KeywordDeclaration, nil},
{`[⍺⍵⍶⍹∇:]`, NameBuiltinPseudo, nil},
{`[{}]`, KeywordType, nil},
},
},
))
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