Stanislav N. aka pztrn
48d43ca097
Pagination now works. Temporary hardcoded 10 pastes per page, will be put in configuration later. Maybe. From now user will receive readable error message if error occured. Started to work on syntax highlighting, tried to make lexers detection work but apparently to no avail.
138 lines
8.0 KiB
Go
138 lines
8.0 KiB
Go
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(MustNewLexer(
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&Config{
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Name: "Python",
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Aliases: []string{"python", "py", "sage"},
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Filenames: []string{"*.py", "*.pyw", "*.sc", "SConstruct", "SConscript", "*.tac", "*.sage"},
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MimeTypes: []string{"text/x-python", "application/x-python"},
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},
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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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{`[^\S\n]+`, Text, nil},
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{`\A#!.+$`, CommentHashbang, nil},
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{`#.*$`, CommentSingle, 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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{`!=|==|<<|>>|[-~+/*%=<>&^|.]`, Operator, 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("builtins"),
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Include("magicfuncs"),
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Include("magicvars"),
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Include("backtick"),
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{`([rR]|[uUbB][rR]|[rR][uUbB])(""")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Push("tdqs")},
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{`([rR]|[uUbB][rR]|[rR][uUbB])(''')`, ByGroups(LiteralStringAffix, LiteralStringSingle), Push("tsqs")},
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{`([rR]|[uUbB][rR]|[rR][uUbB])(")`, ByGroups(LiteralStringAffix, LiteralStringDouble), Push("dqs")},
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{`([rR]|[uUbB][rR]|[rR][uUbB])(')`, 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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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`, `continue`, `del`, `elif`, `else`, `except`, `exec`, `finally`, `for`, `global`, `if`, `lambda`, `pass`, `print`, `raise`, `return`, `try`, `while`, `yield`, `yield from`, `as`, `with`), Keyword, 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`, `vars`, `xrange`, `zip`), NameBuiltin, nil},
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{`(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|cls)\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`, `VMSError`, `Warning`, `WindowsError`, `ZeroDivisionError`), NameException, nil},
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},
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"magicfuncs": {
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{Words(``, `\b`, `__abs__`, `__add__`, `__and__`, `__call__`, `__cmp__`, `__coerce__`, `__complex__`, `__contains__`, `__del__`, `__delattr__`, `__delete__`, `__delitem__`, `__delslice__`, `__div__`, `__divmod__`, `__enter__`, `__eq__`, `__exit__`, `__float__`, `__floordiv__`, `__ge__`, `__get__`, `__getattr__`, `__getattribute__`, `__getitem__`, `__getslice__`, `__gt__`, `__hash__`, `__hex__`, `__iadd__`, `__iand__`, `__idiv__`, `__ifloordiv__`, `__ilshift__`, `__imod__`, `__imul__`, `__index__`, `__init__`, `__instancecheck__`, `__int__`, `__invert__`, `__iop__`, `__ior__`, `__ipow__`, `__irshift__`, `__isub__`, `__iter__`, `__itruediv__`, `__ixor__`, `__le__`, `__len__`, `__long__`, `__lshift__`, `__lt__`, `__missing__`, `__mod__`, `__mul__`, `__ne__`, `__neg__`, `__new__`, `__nonzero__`, `__oct__`, `__op__`, `__or__`, `__pos__`, `__pow__`, `__radd__`, `__rand__`, `__rcmp__`, `__rdiv__`, `__rdivmod__`, `__repr__`, `__reversed__`, `__rfloordiv__`, `__rlshift__`, `__rmod__`, `__rmul__`, `__rop__`, `__ror__`, `__rpow__`, `__rrshift__`, `__rshift__`, `__rsub__`, `__rtruediv__`, `__rxor__`, `__set__`, `__setattr__`, `__setitem__`, `__setslice__`, `__str__`, `__sub__`, `__subclasscheck__`, `__truediv__`, `__unicode__`, `__xor__`), NameFunctionMagic, nil},
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},
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"magicvars": {
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{Words(``, `\b`, `__bases__`, `__class__`, `__closure__`, `__code__`, `__defaults__`, `__dict__`, `__doc__`, `__file__`, `__func__`, `__globals__`, `__metaclass__`, `__module__`, `__mro__`, `__name__`, `__self__`, `__slots__`, `__weakref__`), NameVariableMagic, nil},
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},
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"numbers": {
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{`(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?j?`, LiteralNumberFloat, nil},
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{`\d+[eE][+-]?[0-9]+j?`, LiteralNumberFloat, nil},
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{`0[0-7]+j?`, 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+L`, LiteralNumberIntegerLong, nil},
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{`\d+j?`, 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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Include("magicfuncs"),
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{`[a-zA-Z_]\w*`, NameFunction, Pop(1)},
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Default(Pop(1)),
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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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{`(?:[ \t]|\\\n)+`, Text, nil},
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{`as\b`, KeywordNamespace, nil},
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{`,`, Operator, nil},
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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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"fromimport": {
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{`(?:[ \t]|\\\n)+`, Text, nil},
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{`import\b`, KeywordNamespace, Pop(1)},
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{`None\b`, NameBuiltinPseudo, 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-single": {
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{`%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?[hlL]?[E-GXc-giorsux%]`, LiteralStringInterpol, nil},
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{`[^\\\'"%\n]+`, LiteralStringSingle, nil},
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{`[\'"\\]`, LiteralStringSingle, nil},
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{`%`, 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-giorsux%]`, LiteralStringInterpol, nil},
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{`[^\\\'"%\n]+`, LiteralStringDouble, nil},
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{`[\'"\\]`, LiteralStringDouble, nil},
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{`%`, LiteralStringDouble, nil},
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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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"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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