mirror of
https://github.com/alecthomas/chroma.git
synced 2025-01-14 02:23:16 +02:00
53 lines
2.6 KiB
Go
53 lines
2.6 KiB
Go
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package lexers
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import (
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. "github.com/alecthomas/chroma" // nolint
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)
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// Java lexer.
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var Java = Register(NewLexer(
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&Config{
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Name: "Java",
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Aliases: []string{ "java", },
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Filenames: []string{ "*.java", },
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MimeTypes: []string{ "text/x-java", },
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DotAll: true,
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},
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Rules{
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"root": {
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{ `[^\S\n]+`, Text, nil },
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{ `//.*?\n`, CommentSingle, nil },
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{ `/\*.*?\*/`, CommentMultiline, nil },
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{ `(assert|break|case|catch|continue|default|do|else|finally|for|if|goto|instanceof|new|return|switch|this|throw|try|while)\b`, Keyword, nil },
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{ `((?:(?:[^\W\d]|\$)[\w.\[\]$<>]*\s+)+?)((?:[^\W\d]|\$)[\w$]*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil },
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{ `@[^\W\d][\w.]*`, NameDecorator, nil },
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{ `(abstract|const|enum|extends|final|implements|native|private|protected|public|static|strictfp|super|synchronized|throws|transient|volatile)\b`, KeywordDeclaration, nil },
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{ `(boolean|byte|char|double|float|int|long|short|void)\b`, KeywordType, nil },
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{ `(package)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import") },
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{ `(true|false|null)\b`, KeywordConstant, nil },
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{ `(class|interface)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("class") },
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{ `(import(?:\s+static)?)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import") },
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{ `"(\\\\|\\"|[^"])*"`, LiteralString, nil },
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{ `'\\.'|'[^\\]'|'\\u[0-9a-fA-F]{4}'`, LiteralStringChar, nil },
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{ `(\.)((?:[^\W\d]|\$)[\w$]*)`, ByGroups(Operator, NameAttribute), nil },
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{ `^\s*([^\W\d]|\$)[\w$]*:`, NameLabel, nil },
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{ `([^\W\d]|\$)[\w$]*`, Name, nil },
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{ `([0-9][0-9_]*\.([0-9][0-9_]*)?|\.[0-9][0-9_]*)([eE][+\-]?[0-9][0-9_]*)?[fFdD]?|[0-9][eE][+\-]?[0-9][0-9_]*[fFdD]?|[0-9]([eE][+\-]?[0-9][0-9_]*)?[fFdD]|0[xX]([0-9a-fA-F][0-9a-fA-F_]*\.?|([0-9a-fA-F][0-9a-fA-F_]*)?\.[0-9a-fA-F][0-9a-fA-F_]*)[pP][+\-]?[0-9][0-9_]*[fFdD]?`, LiteralNumberFloat, nil },
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{ `0[xX][0-9a-fA-F][0-9a-fA-F_]*[lL]?`, LiteralNumberHex, nil },
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{ `0[bB][01][01_]*[lL]?`, LiteralNumberBin, nil },
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{ `0[0-7_]+[lL]?`, LiteralNumberOct, nil },
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{ `0|[1-9][0-9_]*[lL]?`, LiteralNumberInteger, nil },
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{ `[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil },
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{ `\n`, Text, nil },
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},
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"class": {
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{ `([^\W\d]|\$)[\w$]*`, NameClass, Pop(1) },
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},
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"import": {
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{ `[\w.]+\*?`, NameNamespace, Pop(1) },
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},
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},
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))
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