Source file src/github.com/alecthomas/chroma/lexers/b/brainfuck.go

Documentation: github.com/alecthomas/chroma/lexers/b

     1  package b
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // Brainfuck lexer.
     9  var Brainfuck = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:      "Brainfuck",
    12  		Aliases:   []string{"brainfuck", "bf"},
    13  		Filenames: []string{"*.bf", "*.b"},
    14  		MimeTypes: []string{"application/x-brainfuck"},
    15  	},
    16  	brainfuckRules,
    17  ))
    18  
    19  func brainfuckRules() Rules {
    20  	return Rules{
    21  		"common": {
    22  			{`[.,]+`, NameTag, nil},
    23  			{`[+-]+`, NameBuiltin, nil},
    24  			{`[<>]+`, NameVariable, nil},
    25  			{`[^.,+\-<>\[\]]+`, Comment, nil},
    26  		},
    27  		"root": {
    28  			{`\[`, Keyword, Push("loop")},
    29  			{`\]`, Error, nil},
    30  			Include("common"),
    31  		},
    32  		"loop": {
    33  			{`\[`, Keyword, Push()},
    34  			{`\]`, Keyword, Pop(1)},
    35  			Include("common"),
    36  		},
    37  	}
    38  }
    39  

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