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211 lines
12 KiB
211 lines
12 KiB
package p
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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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// Python lexer.
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var Python = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Python",
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Aliases: []string{"python", "py", "sage", "python3", "py3"},
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Filenames: []string{"*.py", "*.pyi", "*.pyw", "*.jy", "*.sage", "*.sc", "SConstruct", "SConscript", "*.bzl", "BUCK", "BUILD", "BUILD.bazel", "WORKSPACE", "*.tac"},
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MimeTypes: []string{"text/x-python", "application/x-python", "text/x-python3", "application/x-python3"},
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},
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pythonRules,
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))
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func pythonRules() Rules {
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const pythonIdentifier = `[_\p{L}][_\p{L}\p{N}]*`
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return Rules{
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"root": {
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{`\n`, Text, nil},
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{`^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")`, ByGroups(Text, LiteralStringAffix, LiteralStringDoc), nil},
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{`^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')`, ByGroups(Text, LiteralStringAffix, LiteralStringDoc), nil},
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{`\A#!.+$`, CommentHashbang, nil},
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{`#.*$`, CommentSingle, nil},
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{`\\\n`, Text, nil},
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{`\\`, Text, nil},
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Include("keywords"),
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{`(def)((?:\s|\\\s)+)`, ByGroups(Keyword, Text), Push("funcname")},
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{`(class)((?:\s|\\\s)+)`, ByGroups(Keyword, Text), Push("classname")},
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{`(from)((?:\s|\\\s)+)`, ByGroups(KeywordNamespace, Text), Push("fromimport")},
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{`(import)((?:\s|\\\s)+)`, ByGroups(KeywordNamespace, Text), Push("import")},
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Include("expr"),
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},
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"expr": {
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{`(?i)(rf|fr)(""")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Combined("rfstringescape", "tdqf")},
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{`(?i)(rf|fr)(''')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Combined("rfstringescape", "tsqf")},
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{`(?i)(rf|fr)(")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Combined("rfstringescape", "dqf")},
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{`(?i)(rf|fr)(')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Combined("rfstringescape", "sqf")},
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{`([fF])(""")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Combined("fstringescape", "tdqf")},
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{`([fF])(''')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Combined("fstringescape", "tsqf")},
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{`([fF])(")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Combined("fstringescape", "dqf")},
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{`([fF])(')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Combined("fstringescape", "sqf")},
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{`(?i)(rb|br|r)(""")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Push("tdqs")},
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{`(?i)(rb|br|r)(''')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Push("tsqs")},
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{`(?i)(rb|br|r)(")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Push("dqs")},
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{`(?i)(rb|br|r)(')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Push("sqs")},
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{`([uUbB]?)(""")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Combined("stringescape", "tdqs")},
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{`([uUbB]?)(''')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Combined("stringescape", "tsqs")},
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{`([uUbB]?)(")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Combined("stringescape", "dqs")},
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{`([uUbB]?)(')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Combined("stringescape", "sqs")},
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{`[^\S\n]+`, Text, nil},
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Include("numbers"),
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{`!=|==|<<|>>|:=|[-~+/*%=<>&^|.]`, Operator, nil},
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{`[]{}:(),;[]`, Punctuation, nil},
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{`(in|is|and|or|not)\b`, OperatorWord, nil},
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Include("expr-keywords"),
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Include("builtins"),
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Include("magicfuncs"),
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Include("magicvars"),
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Include("name"),
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},
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"expr-inside-fstring": {
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{`[{([]`, Punctuation, Push("expr-inside-fstring-inner")},
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{`(=\s*)?(\![sraf])?\}`, LiteralStringInterpol, Pop(1)},
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{`(=\s*)?(\![sraf])?:`, LiteralStringInterpol, Pop(1)},
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{`\s+`, Text, nil},
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Include("expr"),
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},
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"expr-inside-fstring-inner": {
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{`[{([]`, Punctuation, Push("expr-inside-fstring-inner")},
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{`[])}]`, Punctuation, Pop(1)},
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{`\s+`, Text, nil},
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Include("expr"),
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},
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"expr-keywords": {
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{Words(``, `\b`, `async for`, `await`, `else`, `for`, `if`, `lambda`, `yield`, `yield from`), Keyword, nil},
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{Words(``, `\b`, `True`, `False`, `None`), KeywordConstant, nil},
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},
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"keywords": {
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{Words(``, `\b`, `assert`, `async`, `await`, `break`, `continue`, `del`, `elif`, `else`, `except`, `finally`, `for`, `global`, `if`, `lambda`, `pass`, `raise`, `nonlocal`, `return`, `try`, `while`, `yield`, `yield from`, `as`, `with`), Keyword, nil},
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{Words(``, `\b`, `True`, `False`, `None`), KeywordConstant, nil},
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},
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"builtins": {
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{Words(`(?<!\.)`, `\b`, `__import__`, `abs`, `all`, `any`, `bin`, `bool`, `bytearray`, `bytes`, `chr`, `classmethod`, `compile`, `complex`, `delattr`, `dict`, `dir`, `divmod`, `enumerate`, `eval`, `filter`, `float`, `format`, `frozenset`, `getattr`, `globals`, `hasattr`, `hash`, `hex`, `id`, `input`, `int`, `isinstance`, `issubclass`, `iter`, `len`, `list`, `locals`, `map`, `max`, `memoryview`, `min`, `next`, `object`, `oct`, `open`, `ord`, `pow`, `print`, `property`, `range`, `repr`, `reversed`, `round`, `set`, `setattr`, `slice`, `sorted`, `staticmethod`, `str`, `sum`, `super`, `tuple`, `type`, `vars`, `zip`), NameBuiltin, nil},
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{`(?<!\.)(self|Ellipsis|NotImplemented|cls)\b`, NameBuiltinPseudo, nil},
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{Words(`(?<!\.)`, `\b`, `ArithmeticError`, `AssertionError`, `AttributeError`, `BaseException`, `BufferError`, `BytesWarning`, `DeprecationWarning`, `EOFError`, `EnvironmentError`, `Exception`, `FloatingPointError`, `FutureWarning`, `GeneratorExit`, `IOError`, `ImportError`, `ImportWarning`, `IndentationError`, `IndexError`, `KeyError`, `KeyboardInterrupt`, `LookupError`, `MemoryError`, `NameError`, `NotImplementedError`, `OSError`, `OverflowError`, `PendingDeprecationWarning`, `ReferenceError`, `ResourceWarning`, `RuntimeError`, `RuntimeWarning`, `StopIteration`, `SyntaxError`, `SyntaxWarning`, `SystemError`, `SystemExit`, `TabError`, `TypeError`, `UnboundLocalError`, `UnicodeDecodeError`, `UnicodeEncodeError`, `UnicodeError`, `UnicodeTranslateError`, `UnicodeWarning`, `UserWarning`, `ValueError`, `VMSError`, `Warning`, `WindowsError`, `ZeroDivisionError`, `BlockingIOError`, `ChildProcessError`, `ConnectionError`, `BrokenPipeError`, `ConnectionAbortedError`, `ConnectionRefusedError`, `ConnectionResetError`, `FileExistsError`, `FileNotFoundError`, `InterruptedError`, `IsADirectoryError`, `NotADirectoryError`, `PermissionError`, `ProcessLookupError`, `TimeoutError`, `StopAsyncIteration`, `ModuleNotFoundError`, `RecursionError`), NameException, nil},
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},
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"magicfuncs": {
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{Words(``, `\b`, `__abs__`, `__add__`, `__aenter__`, `__aexit__`, `__aiter__`, `__and__`, `__anext__`, `__await__`, `__bool__`, `__bytes__`, `__call__`, `__complex__`, `__contains__`, `__del__`, `__delattr__`, `__delete__`, `__delitem__`, `__dir__`, `__divmod__`, `__enter__`, `__eq__`, `__exit__`, `__float__`, `__floordiv__`, `__format__`, `__ge__`, `__get__`, `__getattr__`, `__getattribute__`, `__getitem__`, `__gt__`, `__hash__`, `__iadd__`, `__iand__`, `__ifloordiv__`, `__ilshift__`, `__imatmul__`, `__imod__`, `__imul__`, `__index__`, `__init__`, `__instancecheck__`, `__int__`, `__invert__`, `__ior__`, `__ipow__`, `__irshift__`, `__isub__`, `__iter__`, `__itruediv__`, `__ixor__`, `__le__`, `__len__`, `__length_hint__`, `__lshift__`, `__lt__`, `__matmul__`, `__missing__`, `__mod__`, `__mul__`, `__ne__`, `__neg__`, `__new__`, `__next__`, `__or__`, `__pos__`, `__pow__`, `__prepare__`, `__radd__`, `__rand__`, `__rdivmod__`, `__repr__`, `__reversed__`, `__rfloordiv__`, `__rlshift__`, `__rmatmul__`, `__rmod__`, `__rmul__`, `__ror__`, `__round__`, `__rpow__`, `__rrshift__`, `__rshift__`, `__rsub__`, `__rtruediv__`, `__rxor__`, `__set__`, `__setattr__`, `__setitem__`, `__str__`, `__sub__`, `__subclasscheck__`, `__truediv__`, `__xor__`), NameFunctionMagic, nil},
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},
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"magicvars": {
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{Words(``, `\b`, `__annotations__`, `__bases__`, `__class__`, `__closure__`, `__code__`, `__defaults__`, `__dict__`, `__doc__`, `__file__`, `__func__`, `__globals__`, `__kwdefaults__`, `__module__`, `__mro__`, `__name__`, `__objclass__`, `__qualname__`, `__self__`, `__slots__`, `__weakref__`), NameVariableMagic, nil},
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},
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"numbers": {
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{`(\d(?:_?\d)*\.(?:\d(?:_?\d)*)?|(?:\d(?:_?\d)*)?\.\d(?:_?\d)*)([eE][+-]?\d(?:_?\d)*)?`, LiteralNumberFloat, nil},
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{`\d(?:_?\d)*[eE][+-]?\d(?:_?\d)*j?`, LiteralNumberFloat, nil},
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{`0[oO](?:_?[0-7])+`, LiteralNumberOct, nil},
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{`0[bB](?:_?[01])+`, LiteralNumberBin, nil},
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{`0[xX](?:_?[a-fA-F0-9])+`, LiteralNumberHex, nil},
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{`\d(?:_?\d)*`, LiteralNumberInteger, nil},
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},
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"name": {
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{`@` + pythonIdentifier, NameDecorator, nil},
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{`@`, Operator, nil},
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{pythonIdentifier, Name, nil},
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},
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"funcname": {
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Include("magicfuncs"),
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{pythonIdentifier, NameFunction, Pop(1)},
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Default(Pop(1)),
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},
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"classname": {
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{pythonIdentifier, 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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{`\.`, NameNamespace, nil},
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{pythonIdentifier, 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+)(import)\b`, ByGroups(Text, KeywordNamespace), Pop(1)},
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{`\.`, NameNamespace, nil},
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{`None\b`, NameBuiltinPseudo, Pop(1)},
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{pythonIdentifier, NameNamespace, nil},
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Default(Pop(1)),
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},
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"rfstringescape": {
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{`\{\{`, LiteralStringEscape, nil},
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{`\}\}`, LiteralStringEscape, nil},
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},
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"fstringescape": {
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Include("rfstringescape"),
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Include("stringescape"),
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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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"fstrings-single": {
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{`\}`, LiteralStringInterpol, nil},
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{`\{`, LiteralStringInterpol, Push("expr-inside-fstring")},
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{`[^\\\'"{}\n]+`, LiteralStringSingle, nil},
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{`[\'"\\]`, LiteralStringSingle, nil},
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},
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"fstrings-double": {
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{`\}`, LiteralStringInterpol, nil},
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{`\{`, LiteralStringInterpol, Push("expr-inside-fstring")},
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{`[^\\\'"{}\n]+`, LiteralStringDouble, nil},
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{`[\'"\\]`, LiteralStringDouble, nil},
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},
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"strings-single": {
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{`%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?[hlL]?[E-GXc-giorsaux%]`, LiteralStringInterpol, nil},
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{`\{((\w+)((\.\w+)|(\[[^\]]+\]))*)?(\![sra])?(\:(.?[<>=\^])?[-+ ]?#?0?(\d+)?,?(\.\d+)?[E-GXb-gnosx%]?)?\}`, LiteralStringInterpol, nil},
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{`[^\\\'"%{\n]+`, LiteralStringSingle, nil},
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{`[\'"\\]`, LiteralStringSingle, nil},
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{`%|(\{{1,2})`, LiteralStringSingle, nil},
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},
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"strings-double": {
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{`%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?[hlL]?[E-GXc-giorsaux%]`, LiteralStringInterpol, nil},
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{`\{((\w+)((\.\w+)|(\[[^\]]+\]))*)?(\![sra])?(\:(.?[<>=\^])?[-+ ]?#?0?(\d+)?,?(\.\d+)?[E-GXb-gnosx%]?)?\}`, LiteralStringInterpol, nil},
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{`[^\\\'"%{\n]+`, LiteralStringDouble, nil},
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{`[\'"\\]`, LiteralStringDouble, nil},
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{`%|(\{{1,2})`, LiteralStringDouble, nil},
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},
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"dqf": {
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{`"`, LiteralStringDouble, Pop(1)},
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{`\\\\|\\"|\\\n`, LiteralStringEscape, nil},
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Include("fstrings-double"),
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},
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"sqf": {
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{`'`, LiteralStringSingle, Pop(1)},
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{`\\\\|\\'|\\\n`, LiteralStringEscape, nil},
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Include("fstrings-single"),
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},
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"dqs": {
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{`"`, LiteralStringDouble, Pop(1)},
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{`\\\\|\\"|\\\n`, LiteralStringEscape, nil},
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Include("strings-double"),
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},
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"sqs": {
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{`'`, LiteralStringSingle, Pop(1)},
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{`\\\\|\\'|\\\n`, LiteralStringEscape, nil},
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Include("strings-single"),
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},
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"tdqf": {
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{`"""`, LiteralStringDouble, Pop(1)},
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Include("fstrings-double"),
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{`\n`, LiteralStringDouble, nil},
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},
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"tsqf": {
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{`'''`, LiteralStringSingle, Pop(1)},
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Include("fstrings-single"),
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{`\n`, LiteralStringSingle, nil},
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},
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"tdqs": {
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{`"""`, LiteralStringDouble, Pop(1)},
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Include("strings-double"),
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{`\n`, LiteralStringDouble, nil},
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},
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"tsqs": {
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{`'''`, LiteralStringSingle, Pop(1)},
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Include("strings-single"),
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{`\n`, LiteralStringSingle, nil},
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},
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}
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}
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