mirror of https://github.com/morpheus65535/bazarr
276 lines
9.4 KiB
Python
276 lines
9.4 KiB
Python
"""
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pygments.lexers.felix
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~~~~~~~~~~~~~~~~~~~~~
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Lexer for the Felix language.
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:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, include, bygroups, default, words, \
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combined
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Whitespace
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__all__ = ['FelixLexer']
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class FelixLexer(RegexLexer):
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"""
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For `Felix <http://www.felix-lang.org>`_ source code.
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.. versionadded:: 1.2
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"""
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name = 'Felix'
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aliases = ['felix', 'flx']
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filenames = ['*.flx', '*.flxh']
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mimetypes = ['text/x-felix']
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preproc = (
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'elif', 'else', 'endif', 'if', 'ifdef', 'ifndef',
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)
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keywords = (
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'_', '_deref', 'all', 'as',
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'assert', 'attempt', 'call', 'callback', 'case', 'caseno', 'cclass',
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'code', 'compound', 'ctypes', 'do', 'done', 'downto', 'elif', 'else',
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'endattempt', 'endcase', 'endif', 'endmatch', 'enum', 'except',
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'exceptions', 'expect', 'finally', 'for', 'forall', 'forget', 'fork',
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'functor', 'goto', 'ident', 'if', 'incomplete', 'inherit', 'instance',
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'interface', 'jump', 'lambda', 'loop', 'match', 'module', 'namespace',
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'new', 'noexpand', 'nonterm', 'obj', 'of', 'open', 'parse', 'raise',
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'regexp', 'reglex', 'regmatch', 'rename', 'return', 'the', 'then',
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'to', 'type', 'typecase', 'typedef', 'typematch', 'typeof', 'upto',
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'when', 'whilst', 'with', 'yield',
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)
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keyword_directives = (
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'_gc_pointer', '_gc_type', 'body', 'comment', 'const', 'export',
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'header', 'inline', 'lval', 'macro', 'noinline', 'noreturn',
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'package', 'private', 'pod', 'property', 'public', 'publish',
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'requires', 'todo', 'virtual', 'use',
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)
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keyword_declarations = (
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'def', 'let', 'ref', 'val', 'var',
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)
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keyword_types = (
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'unit', 'void', 'any', 'bool',
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'byte', 'offset',
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'address', 'caddress', 'cvaddress', 'vaddress',
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'tiny', 'short', 'int', 'long', 'vlong',
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'utiny', 'ushort', 'vshort', 'uint', 'ulong', 'uvlong',
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'int8', 'int16', 'int32', 'int64',
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'uint8', 'uint16', 'uint32', 'uint64',
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'float', 'double', 'ldouble',
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'complex', 'dcomplex', 'lcomplex',
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'imaginary', 'dimaginary', 'limaginary',
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'char', 'wchar', 'uchar',
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'charp', 'charcp', 'ucharp', 'ucharcp',
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'string', 'wstring', 'ustring',
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'cont',
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'array', 'varray', 'list',
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'lvalue', 'opt', 'slice',
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)
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keyword_constants = (
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'false', 'true',
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)
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operator_words = (
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'and', 'not', 'in', 'is', 'isin', 'or', 'xor',
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)
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name_builtins = (
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'_svc', 'while',
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)
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name_pseudo = (
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'root', 'self', 'this',
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)
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decimal_suffixes = '([tTsSiIlLvV]|ll|LL|([iIuU])(8|16|32|64))?'
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tokens = {
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'root': [
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include('whitespace'),
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# Keywords
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(words(('axiom', 'ctor', 'fun', 'gen', 'proc', 'reduce',
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'union'), suffix=r'\b'),
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Keyword, 'funcname'),
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(words(('class', 'cclass', 'cstruct', 'obj', 'struct'), suffix=r'\b'),
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Keyword, 'classname'),
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(r'(instance|module|typeclass)\b', Keyword, 'modulename'),
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(words(keywords, suffix=r'\b'), Keyword),
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(words(keyword_directives, suffix=r'\b'), Name.Decorator),
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(words(keyword_declarations, suffix=r'\b'), Keyword.Declaration),
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(words(keyword_types, suffix=r'\b'), Keyword.Type),
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(words(keyword_constants, suffix=r'\b'), Keyword.Constant),
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# Operators
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include('operators'),
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# Float Literal
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# -- Hex Float
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(r'0[xX]([0-9a-fA-F_]*\.[0-9a-fA-F_]+|[0-9a-fA-F_]+)'
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r'[pP][+\-]?[0-9_]+[lLfFdD]?', Number.Float),
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# -- DecimalFloat
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(r'[0-9_]+(\.[0-9_]+[eE][+\-]?[0-9_]+|'
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r'\.[0-9_]*|[eE][+\-]?[0-9_]+)[lLfFdD]?', Number.Float),
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(r'\.(0|[1-9][0-9_]*)([eE][+\-]?[0-9_]+)?[lLfFdD]?',
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Number.Float),
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# IntegerLiteral
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# -- Binary
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(r'0[Bb][01_]+%s' % decimal_suffixes, Number.Bin),
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# -- Octal
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(r'0[0-7_]+%s' % decimal_suffixes, Number.Oct),
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# -- Hexadecimal
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(r'0[xX][0-9a-fA-F_]+%s' % decimal_suffixes, Number.Hex),
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# -- Decimal
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(r'(0|[1-9][0-9_]*)%s' % decimal_suffixes, Number.Integer),
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# Strings
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('([rR][cC]?|[cC][rR])"""', String, 'tdqs'),
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("([rR][cC]?|[cC][rR])'''", String, 'tsqs'),
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('([rR][cC]?|[cC][rR])"', String, 'dqs'),
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("([rR][cC]?|[cC][rR])'", String, 'sqs'),
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('[cCfFqQwWuU]?"""', String, combined('stringescape', 'tdqs')),
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("[cCfFqQwWuU]?'''", String, combined('stringescape', 'tsqs')),
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('[cCfFqQwWuU]?"', String, combined('stringescape', 'dqs')),
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("[cCfFqQwWuU]?'", String, combined('stringescape', 'sqs')),
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# Punctuation
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(r'[\[\]{}:(),;?]', Punctuation),
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# Labels
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(r'[a-zA-Z_]\w*:>', Name.Label),
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# Identifiers
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(r'(%s)\b' % '|'.join(name_builtins), Name.Builtin),
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(r'(%s)\b' % '|'.join(name_pseudo), Name.Builtin.Pseudo),
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(r'[a-zA-Z_]\w*', Name),
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],
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'whitespace': [
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(r'\s+', Whitespace),
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include('comment'),
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# Preprocessor
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(r'(#)(\s*)(if)(\s+)(0)',
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bygroups(Comment.Preproc, Whitespace, Comment.Preproc,
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Whitespace, Comment.Preproc), 'if0'),
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(r'#', Comment.Preproc, 'macro'),
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],
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'operators': [
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(r'(%s)\b' % '|'.join(operator_words), Operator.Word),
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(r'!=|==|<<|>>|\|\||&&|[-~+/*%=<>&^|.$]', Operator),
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],
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'comment': [
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(r'//(.*?)$', Comment.Single),
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(r'/[*]', Comment.Multiline, 'comment2'),
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],
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'comment2': [
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(r'[^/*]', Comment.Multiline),
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(r'/[*]', Comment.Multiline, '#push'),
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(r'[*]/', Comment.Multiline, '#pop'),
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(r'[/*]', Comment.Multiline),
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],
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'if0': [
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(r'^(\s*)(#if.*?(?<!\\))(\n)',
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bygroups(Whitespace, Comment, Whitespace), '#push'),
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(r'^(\s*)(#endif.*?(?<!\\))(\n)',
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bygroups(Whitespace, Comment, Whitespace), '#pop'),
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(r'(.*?)(\n)', bygroups(Comment, Whitespace)),
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],
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'macro': [
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include('comment'),
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(r'(import|include)(\s+)(<[^>]*?>)',
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bygroups(Comment.Preproc, Whitespace, String), '#pop'),
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(r'(import|include)(\s+)("[^"]*?")',
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bygroups(Comment.Preproc, Whitespace, String), '#pop'),
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(r"(import|include)(\s+)('[^']*?')",
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bygroups(Comment.Preproc, Whitespace, String), '#pop'),
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(r'[^/\n]+', Comment.Preproc),
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# (r'/[*](.|\n)*?[*]/', Comment),
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# (r'//.*?\n', Comment, '#pop'),
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(r'/', Comment.Preproc),
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(r'(?<=\\)\n', Comment.Preproc),
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(r'\n', Whitespace, '#pop'),
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],
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'funcname': [
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include('whitespace'),
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(r'[a-zA-Z_]\w*', Name.Function, '#pop'),
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# anonymous functions
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(r'(?=\()', Text, '#pop'),
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],
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'classname': [
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include('whitespace'),
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(r'[a-zA-Z_]\w*', Name.Class, '#pop'),
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# anonymous classes
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(r'(?=\{)', Text, '#pop'),
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],
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'modulename': [
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include('whitespace'),
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(r'\[', Punctuation, ('modulename2', 'tvarlist')),
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default('modulename2'),
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],
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'modulename2': [
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include('whitespace'),
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(r'([a-zA-Z_]\w*)', Name.Namespace, '#pop:2'),
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],
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'tvarlist': [
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include('whitespace'),
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include('operators'),
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(r'\[', Punctuation, '#push'),
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(r'\]', Punctuation, '#pop'),
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(r',', Punctuation),
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(r'(with|where)\b', Keyword),
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(r'[a-zA-Z_]\w*', Name),
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],
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'stringescape': [
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(r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
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r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
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],
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'strings': [
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(r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
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'[hlL]?[E-GXc-giorsux%]', String.Interpol),
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(r'[^\\\'"%\n]+', String),
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# quotes, percents and backslashes must be parsed one at a time
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(r'[\'"\\]', String),
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# unhandled string formatting sign
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(r'%', String)
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# newlines are an error (use "nl" state)
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],
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'nl': [
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(r'\n', String)
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],
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'dqs': [
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(r'"', String, '#pop'),
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# included here again for raw strings
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(r'\\\\|\\"|\\\n', String.Escape),
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include('strings')
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],
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'sqs': [
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(r"'", String, '#pop'),
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# included here again for raw strings
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(r"\\\\|\\'|\\\n", String.Escape),
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include('strings')
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],
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'tdqs': [
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(r'"""', String, '#pop'),
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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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(r"'''", String, '#pop'),
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include('strings'),
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include('nl')
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],
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}
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