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Co-authored-by: Norwin Roosen <git@nroo.de> Co-authored-by: Norwin <git@nroo.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/390 Reviewed-by: 6543 <6543@obermui.de> Reviewed-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Norwin <noerw@noreply.gitea.io> Co-committed-by: Norwin <noerw@noreply.gitea.io>
140 lines
6.3 KiB
Go
140 lines
6.3 KiB
Go
package c
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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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// Cython lexer.
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var Cython = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Cython",
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Aliases: []string{"cython", "pyx", "pyrex"},
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Filenames: []string{"*.pyx", "*.pxd", "*.pxi"},
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MimeTypes: []string{"text/x-cython", "application/x-cython"},
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},
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cythonRules,
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))
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func cythonRules() Rules {
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return Rules{
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"root": {
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{`\n`, Text, nil},
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{`^(\s*)("""(?:.|\n)*?""")`, ByGroups(Text, LiteralStringDoc), nil},
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{`^(\s*)('''(?:.|\n)*?''')`, ByGroups(Text, LiteralStringDoc), nil},
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{`[^\S\n]+`, Text, nil},
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{`#.*$`, Comment, nil},
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{`[]{}:(),;[]`, Punctuation, nil},
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{`\\\n`, Text, nil},
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{`\\`, Text, nil},
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{`(in|is|and|or|not)\b`, OperatorWord, nil},
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{`(<)([a-zA-Z0-9.?]+)(>)`, ByGroups(Punctuation, KeywordType, Punctuation), nil},
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{`!=|==|<<|>>|[-~+/*%=<>&^|.?]`, Operator, nil},
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{`(from)(\d+)(<=)(\s+)(<)(\d+)(:)`, ByGroups(Keyword, LiteralNumberInteger, Operator, Name, Operator, Name, Punctuation), nil},
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Include("keywords"),
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{`(def|property)(\s+)`, ByGroups(Keyword, Text), Push("funcname")},
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{`(cp?def)(\s+)`, ByGroups(Keyword, Text), Push("cdef")},
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{`(cdef)(:)`, ByGroups(Keyword, Punctuation), nil},
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{`(class|struct)(\s+)`, ByGroups(Keyword, Text), Push("classname")},
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{`(from)(\s+)`, ByGroups(Keyword, Text), Push("fromimport")},
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{`(c?import)(\s+)`, ByGroups(Keyword, Text), Push("import")},
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Include("builtins"),
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Include("backtick"),
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{`(?:[rR]|[uU][rR]|[rR][uU])"""`, LiteralString, Push("tdqs")},
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{`(?:[rR]|[uU][rR]|[rR][uU])'''`, LiteralString, Push("tsqs")},
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{`(?:[rR]|[uU][rR]|[rR][uU])"`, LiteralString, Push("dqs")},
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{`(?:[rR]|[uU][rR]|[rR][uU])'`, LiteralString, Push("sqs")},
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{`[uU]?"""`, LiteralString, Combined("stringescape", "tdqs")},
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{`[uU]?'''`, LiteralString, Combined("stringescape", "tsqs")},
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{`[uU]?"`, LiteralString, Combined("stringescape", "dqs")},
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{`[uU]?'`, LiteralString, Combined("stringescape", "sqs")},
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Include("name"),
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Include("numbers"),
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},
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"keywords": {
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{Words(``, `\b`, `assert`, `break`, `by`, `continue`, `ctypedef`, `del`, `elif`, `else`, `except`, `except?`, `exec`, `finally`, `for`, `fused`, `gil`, `global`, `if`, `include`, `lambda`, `nogil`, `pass`, `print`, `raise`, `return`, `try`, `while`, `yield`, `as`, `with`), Keyword, nil},
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{`(DEF|IF|ELIF|ELSE)\b`, CommentPreproc, nil},
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},
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"builtins": {
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{Words(`(?<!\.)`, `\b`, `__import__`, `abs`, `all`, `any`, `apply`, `basestring`, `bin`, `bool`, `buffer`, `bytearray`, `bytes`, `callable`, `chr`, `classmethod`, `cmp`, `coerce`, `compile`, `complex`, `delattr`, `dict`, `dir`, `divmod`, `enumerate`, `eval`, `execfile`, `exit`, `file`, `filter`, `float`, `frozenset`, `getattr`, `globals`, `hasattr`, `hash`, `hex`, `id`, `input`, `int`, `intern`, `isinstance`, `issubclass`, `iter`, `len`, `list`, `locals`, `long`, `map`, `max`, `min`, `next`, `object`, `oct`, `open`, `ord`, `pow`, `property`, `range`, `raw_input`, `reduce`, `reload`, `repr`, `reversed`, `round`, `set`, `setattr`, `slice`, `sorted`, `staticmethod`, `str`, `sum`, `super`, `tuple`, `type`, `unichr`, `unicode`, `unsigned`, `vars`, `xrange`, `zip`), NameBuiltin, nil},
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{`(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|NULL)\b`, NameBuiltinPseudo, nil},
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{Words(`(?<!\.)`, `\b`, `ArithmeticError`, `AssertionError`, `AttributeError`, `BaseException`, `DeprecationWarning`, `EOFError`, `EnvironmentError`, `Exception`, `FloatingPointError`, `FutureWarning`, `GeneratorExit`, `IOError`, `ImportError`, `ImportWarning`, `IndentationError`, `IndexError`, `KeyError`, `KeyboardInterrupt`, `LookupError`, `MemoryError`, `NameError`, `NotImplemented`, `NotImplementedError`, `OSError`, `OverflowError`, `OverflowWarning`, `PendingDeprecationWarning`, `ReferenceError`, `RuntimeError`, `RuntimeWarning`, `StandardError`, `StopIteration`, `SyntaxError`, `SyntaxWarning`, `SystemError`, `SystemExit`, `TabError`, `TypeError`, `UnboundLocalError`, `UnicodeDecodeError`, `UnicodeEncodeError`, `UnicodeError`, `UnicodeTranslateError`, `UnicodeWarning`, `UserWarning`, `ValueError`, `Warning`, `ZeroDivisionError`), NameException, nil},
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},
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"numbers": {
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{`(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
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{`0\d+`, LiteralNumberOct, nil},
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{`0[xX][a-fA-F0-9]+`, LiteralNumberHex, nil},
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{`\d+L`, LiteralNumberIntegerLong, nil},
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{`\d+`, LiteralNumberInteger, nil},
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},
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"backtick": {
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{"`.*?`", LiteralStringBacktick, nil},
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},
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"name": {
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{`@\w+`, NameDecorator, nil},
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{`[a-zA-Z_]\w*`, Name, nil},
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},
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"funcname": {
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{`[a-zA-Z_]\w*`, NameFunction, Pop(1)},
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},
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"cdef": {
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{`(public|readonly|extern|api|inline)\b`, KeywordReserved, nil},
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{`(struct|enum|union|class)\b`, Keyword, nil},
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{`([a-zA-Z_]\w*)(\s*)(?=[(:#=]|$)`, ByGroups(NameFunction, Text), Pop(1)},
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{`([a-zA-Z_]\w*)(\s*)(,)`, ByGroups(NameFunction, Text, Punctuation), nil},
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{`from\b`, Keyword, Pop(1)},
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{`as\b`, Keyword, nil},
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{`:`, Punctuation, Pop(1)},
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{`(?=["\'])`, Text, Pop(1)},
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{`[a-zA-Z_]\w*`, KeywordType, nil},
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{`.`, Text, nil},
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},
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"classname": {
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{`[a-zA-Z_]\w*`, NameClass, Pop(1)},
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},
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"import": {
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{`(\s+)(as)(\s+)`, ByGroups(Text, Keyword, Text), nil},
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{`[a-zA-Z_][\w.]*`, NameNamespace, nil},
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{`(\s*)(,)(\s*)`, ByGroups(Text, Operator, Text), nil},
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Default(Pop(1)),
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},
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"fromimport": {
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{`(\s+)(c?import)\b`, ByGroups(Text, Keyword), Pop(1)},
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{`[a-zA-Z_.][\w.]*`, NameNamespace, nil},
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Default(Pop(1)),
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},
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"stringescape": {
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{`\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})`, LiteralStringEscape, nil},
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},
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"strings": {
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{`%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?[hlL]?[E-GXc-giorsux%]`, LiteralStringInterpol, nil},
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{`[^\\\'"%\n]+`, LiteralString, nil},
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{`[\'"\\]`, LiteralString, nil},
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{`%`, LiteralString, nil},
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},
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"nl": {
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{`\n`, LiteralString, nil},
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},
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"dqs": {
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{`"`, LiteralString, Pop(1)},
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{`\\\\|\\"|\\\n`, LiteralStringEscape, nil},
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Include("strings"),
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},
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"sqs": {
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{`'`, LiteralString, Pop(1)},
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{`\\\\|\\'|\\\n`, LiteralStringEscape, nil},
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Include("strings"),
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},
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"tdqs": {
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{`"""`, LiteralString, Pop(1)},
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Include("strings"),
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Include("nl"),
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},
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"tsqs": {
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{`'''`, LiteralString, Pop(1)},
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Include("strings"),
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Include("nl"),
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},
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}
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}
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