ceylon.go

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

     1  package c
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // Ceylon lexer.
     9  var Ceylon = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:      "Ceylon",
    12  		Aliases:   []string{"ceylon"},
    13  		Filenames: []string{"*.ceylon"},
    14  		MimeTypes: []string{"text/x-ceylon"},
    15  		DotAll:    true,
    16  	},
    17  	ceylonRules,
    18  ))
    19  
    20  func ceylonRules() Rules {
    21  	return Rules{
    22  		"root": {
    23  			{`^(\s*(?:[a-zA-Z_][\w.\[\]]*\s+)+?)([a-zA-Z_]\w*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil},
    24  			{`[^\S\n]+`, Text, nil},
    25  			{`//.*?\n`, CommentSingle, nil},
    26  			{`/\*`, CommentMultiline, Push("comment")},
    27  			{`(shared|abstract|formal|default|actual|variable|deprecated|small|late|literal|doc|by|see|throws|optional|license|tagged|final|native|annotation|sealed)\b`, NameDecorator, nil},
    28  			{`(break|case|catch|continue|else|finally|for|in|if|return|switch|this|throw|try|while|is|exists|dynamic|nonempty|then|outer|assert|let)\b`, Keyword, nil},
    29  			{`(abstracts|extends|satisfies|super|given|of|out|assign)\b`, KeywordDeclaration, nil},
    30  			{`(function|value|void|new)\b`, KeywordType, nil},
    31  			{`(assembly|module|package)(\s+)`, ByGroups(KeywordNamespace, Text), nil},
    32  			{`(true|false|null)\b`, KeywordConstant, nil},
    33  			{`(class|interface|object|alias)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("class")},
    34  			{`(import)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
    35  			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
    36  			{`'\\.'|'[^\\]'|'\\\{#[0-9a-fA-F]{4}\}'`, LiteralStringChar, nil},
    37  			{"\".*``.*``.*\"", LiteralStringInterpol, nil},
    38  			{`(\.)([a-z_]\w*)`, ByGroups(Operator, NameAttribute), nil},
    39  			{`[a-zA-Z_]\w*:`, NameLabel, nil},
    40  			{`[a-zA-Z_]\w*`, Name, nil},
    41  			{`[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil},
    42  			{`\d{1,3}(_\d{3})+\.\d{1,3}(_\d{3})+[kMGTPmunpf]?`, LiteralNumberFloat, nil},
    43  			{`\d{1,3}(_\d{3})+\.[0-9]+([eE][+-]?[0-9]+)?[kMGTPmunpf]?`, LiteralNumberFloat, nil},
    44  			{`[0-9][0-9]*\.\d{1,3}(_\d{3})+[kMGTPmunpf]?`, LiteralNumberFloat, nil},
    45  			{`[0-9][0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[kMGTPmunpf]?`, LiteralNumberFloat, nil},
    46  			{`#([0-9a-fA-F]{4})(_[0-9a-fA-F]{4})+`, LiteralNumberHex, nil},
    47  			{`#[0-9a-fA-F]+`, LiteralNumberHex, nil},
    48  			{`\$([01]{4})(_[01]{4})+`, LiteralNumberBin, nil},
    49  			{`\$[01]+`, LiteralNumberBin, nil},
    50  			{`\d{1,3}(_\d{3})+[kMGTP]?`, LiteralNumberInteger, nil},
    51  			{`[0-9]+[kMGTP]?`, LiteralNumberInteger, nil},
    52  			{`\n`, Text, nil},
    53  		},
    54  		"class": {
    55  			{`[A-Za-z_]\w*`, NameClass, Pop(1)},
    56  		},
    57  		"import": {
    58  			{`[a-z][\w.]*`, NameNamespace, Pop(1)},
    59  		},
    60  		"comment": {
    61  			{`[^*/]`, CommentMultiline, nil},
    62  			{`/\*`, CommentMultiline, Push()},
    63  			{`\*/`, CommentMultiline, Pop(1)},
    64  			{`[*/]`, CommentMultiline, nil},
    65  		},
    66  	}
    67  }
    68
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