60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
package n
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Newspeak lexer.
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var Newspeak = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Newspeak",
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Aliases: []string{"newspeak"},
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Filenames: []string{"*.ns2"},
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MimeTypes: []string{"text/x-newspeak"},
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},
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newspeakRules,
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))
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func newspeakRules() Rules {
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return Rules{
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"root": {
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{`\b(Newsqueak2)\b`, KeywordDeclaration, nil},
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{`'[^']*'`, LiteralString, nil},
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{`\b(class)(\s+)(\w+)(\s*)`, ByGroups(KeywordDeclaration, Text, NameClass, Text), nil},
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{`\b(mixin|self|super|private|public|protected|nil|true|false)\b`, Keyword, nil},
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{`(\w+\:)(\s*)([a-zA-Z_]\w+)`, ByGroups(NameFunction, Text, NameVariable), nil},
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{`(\w+)(\s*)(=)`, ByGroups(NameAttribute, Text, Operator), nil},
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{`<\w+>`, CommentSpecial, nil},
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Include("expressionstat"),
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Include("whitespace"),
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},
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"expressionstat": {
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{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
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{`\d+`, LiteralNumberInteger, nil},
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{`:\w+`, NameVariable, nil},
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{`(\w+)(::)`, ByGroups(NameVariable, Operator), nil},
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{`\w+:`, NameFunction, nil},
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{`\w+`, NameVariable, nil},
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{`\(|\)`, Punctuation, nil},
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{`\[|\]`, Punctuation, nil},
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{`\{|\}`, Punctuation, nil},
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{`(\^|\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-|:)`, Operator, nil},
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{`\.|;`, Punctuation, nil},
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Include("whitespace"),
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Include("literals"),
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},
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"literals": {
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{`\$.`, LiteralString, nil},
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{`'[^']*'`, LiteralString, nil},
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{`#'[^']*'`, LiteralStringSymbol, nil},
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{`#\w+:?`, LiteralStringSymbol, nil},
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{`#(\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-)+`, LiteralStringSymbol, nil},
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},
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"whitespace": {
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{`\s+`, Text, nil},
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{`"[^"]*"`, Comment, nil},
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},
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}
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}
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