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""" pygments.lexers.felix ~~~~~~~~~~~~~~~~~~~~~ Lexer for the Felix language. :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ from pygments.lexer import RegexLexer, include, bygroups, default, words, \ combined from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ Number, Punctuation, Whitespace __all__ = ['FelixLexer'] class FelixLexer(RegexLexer): """ For Felix source code. .. versionadded:: 1.2 """ name = 'Felix' url = 'http://www.felix-lang.org' aliases = ['felix', 'flx'] filenames = ['*.flx', '*.flxh'] mimetypes = ['text/x-felix'] preproc = ( 'elif', 'else', 'endif', 'if', 'ifdef', 'ifndef', ) keywords = ( '_', '_deref', 'all', 'as', 'assert', 'attempt', 'call', 'callback', 'case', 'caseno', 'cclass', 'code', 'compound', 'ctypes', 'do', 'done', 'downto', 'elif', 'else', 'endattempt', 'endcase', 'endif', 'endmatch', 'enum', 'except', 'exceptions', 'expect', 'finally', 'for', 'forall', 'forget', 'fork', 'functor', 'goto', 'ident', 'if', 'incomplete', 'inherit', 'instance', 'interface', 'jump', 'lambda', 'loop', 'match', 'module', 'namespace', 'new', 'noexpand', 'nonterm', 'obj', 'of', 'open', 'parse', 'raise', 'regexp', 'reglex', 'regmatch', 'rename', 'return', 'the', 'then', 'to', 'type', 'typecase', 'typedef', 'typematch', 'typeof', 'upto', 'when', 'whilst', 'with', 'yield', ) keyword_directives = ( '_gc_pointer', '_gc_type', 'body', 'comment', 'const', 'export', 'header', 'inline', 'lval', 'macro', 'noinline', 'noreturn', 'package', 'private', 'pod', 'property', 'public', 'publish', 'requires', 'todo', 'virtual', 'use', ) keyword_declarations = ( 'def', 'let', 'ref', 'val', 'var', ) keyword_types = ( 'unit', 'void', 'any', 'bool', 'byte', 'offset', 'address', 'caddress', 'cvaddress', 'vaddress', 'tiny', 'short', 'int', 'long', 'vlong', 'utiny', 'ushort', 'vshort', 'uint', 'ulong', 'uvlong', 'int8', 'int16', 'int32', 'int64', 'uint8', 'uint16', 'uint32', 'uint64', 'float', 'double', 'ldouble', 'complex', 'dcomplex', 'lcomplex', 'imaginary', 'dimaginary', 'limaginary', 'char', 'wchar', 'uchar', 'charp', 'charcp', 'ucharp', 'ucharcp', 'string', 'wstring', 'ustring', 'cont', 'array', 'varray', 'list', 'lvalue', 'opt', 'slice', ) keyword_constants = ( 'false', 'true', ) operator_words = ( 'and', 'not', 'in', 'is', 'isin', 'or', 'xor', ) name_builtins = ( '_svc', 'while', ) name_pseudo = ( 'root', 'self', 'this', ) decimal_suffixes = '([tTsSiIlLvV]|ll|LL|([iIuU])(8|16|32|64))?' tokens = { 'root': [ include('whitespace'), # Keywords (words(('axiom', 'ctor', 'fun', 'gen', 'proc', 'reduce', 'union'), suffix=r'\b'), Keyword, 'funcname'), (words(('class', 'cclass', 'cstruct', 'obj', 'struct'), suffix=r'\b'), Keyword, 'classname'), (r'(instance|module|typeclass)\b', Keyword, 'modulename'), (words(keywords, suffix=r'\b'), Keyword), (words(keyword_directives, suffix=r'\b'), Name.Decorator), (words(keyword_declarations, suffix=r'\b'), Keyword.Declaration), (words(keyword_types, suffix=r'\b'), Keyword.Type), (words(keyword_constants, suffix=r'\b'), Keyword.Constant), # Operators include('operators'), # Float Literal # -- Hex Float (r'0[xX]([0-9a-fA-F_]*\.[0-9a-fA-F_]+|[0-9a-fA-F_]+)' r'[pP][+\-]?[0-9_]+[lLfFdD]?', Number.Float), # -- DecimalFloat (r'[0-9_]+(\.[0-9_]+[eE][+\-]?[0-9_]+|' r'\.[0-9_]*|[eE][+\-]?[0-9_]+)[lLfFdD]?', Number.Float), (r'\.(0|[1-9][0-9_]*)([eE][+\-]?[0-9_]+)?[lLfFdD]?', Number.Float), # IntegerLiteral # -- Binary (r'0[Bb][01_]+%s' % decimal_suffixes, Number.Bin), # -- Octal (r'0[0-7_]+%s' % decimal_suffixes, Number.Oct), # -- Hexadecimal (r'0[xX][0-9a-fA-F_]+%s' % decimal_suffixes, Number.Hex), # -- Decimal (r'(0|[1-9][0-9_]*)%s' % decimal_suffixes, Number.Integer), # Strings ('([rR][cC]?|[cC][rR])"""', String, 'tdqs'), ("([rR][cC]?|[cC][rR])'''", String, 'tsqs'), ('([rR][cC]?|[cC][rR])"', String, 'dqs'), ("([rR][cC]?|[cC][rR])'", String, 'sqs'), ('[cCfFqQwWuU]?"""', String, combined('stringescape', 'tdqs')), ("[cCfFqQwWuU]?'''", String, combined('stringescape', 'tsqs')), ('[cCfFqQwWuU]?"', String, combined('stringescape', 'dqs')), ("[cCfFqQwWuU]?'", String, combined('stringescape', 'sqs')), # Punctuation (r'[\[\]{}:(),;?]', Punctuation), # Labels (r'[a-zA-Z_]\w*:>', Name.Label), # Identifiers (r'(%s)\b' % '|'.join(name_builtins), Name.Builtin), (r'(%s)\b' % '|'.join(name_pseudo), Name.Builtin.Pseudo), (r'[a-zA-Z_]\w*', Name), ], 'whitespace': [ (r'\s+', Whitespace), include('comment'), # Preprocessor (r'(#)(\s*)(if)(\s+)(0)', bygroups(Comment.Preproc, Whitespace, Comment.Preproc, Whitespace, Comment.Preproc), 'if0'), (r'#', Comment.Preproc, 'macro'), ], 'operators': [ (r'(%s)\b' % '|'.join(operator_words), Operator.Word), (r'!=|==|<<|>>|\|\||&&|[-~+/*%=<>&^|.$]', Operator), ], 'comment': [ (r'//(.*?)$', Comment.Single), (r'/[*]', Comment.Multiline, 'comment2'), ], 'comment2': [ (r'[^/*]', Comment.Multiline), (r'/[*]', Comment.Multiline, '#push'), (r'[*]/', Comment.Multiline, '#pop'), (r'[/*]', Comment.Multiline), ], 'if0': [ (r'^(\s*)(#if.*?(?<!\\))(\n)', bygroups(Whitespace, Comment, Whitespace), '#push'), (r'^(\s*)(#endif.*?(?<!\\))(\n)', bygroups(Whitespace, Comment, Whitespace), '#pop'), (r'(.*?)(\n)', bygroups(Comment, Whitespace)), ], 'macro': [ include('comment'), (r'(import|include)(\s+)(<[^>]*?>)', bygroups(Comment.Preproc, Whitespace, String), '#pop'), (r'(import|include)(\s+)("[^"]*?")', bygroups(Comment.Preproc, Whitespace, String), '#pop'), (r"(import|include)(\s+)('[^']*?')", bygroups(Comment.Preproc, Whitespace, String), '#pop'), (r'[^/\n]+', Comment.Preproc), # (r'/[*](.|\n)*?[*]/', Comment), # (r'//.*?\n', Comment, '#pop'), (r'/', Comment.Preproc), (r'(?<=\\)\n', Comment.Preproc), (r'\n', Whitespace, '#pop'), ], 'funcname': [ include('whitespace'), (r'[a-zA-Z_]\w*', Name.Function, '#pop'), # anonymous functions (r'(?=\()', Text, '#pop'), ], 'classname': [ include('whitespace'), (r'[a-zA-Z_]\w*', Name.Class, '#pop'), # anonymous classes (r'(?=\{)', Text, '#pop'), ], 'modulename': [ include('whitespace'), (r'\[', Punctuation, ('modulename2', 'tvarlist')), default('modulename2'), ], 'modulename2': [ include('whitespace'), (r'([a-zA-Z_]\w*)', Name.Namespace, '#pop:2'), ], 'tvarlist': [ include('whitespace'), include('operators'), (r'\[', Punctuation, '#push'), (r'\]', Punctuation, '#pop'), (r',', Punctuation), (r'(with|where)\b', Keyword), (r'[a-zA-Z_]\w*', Name), ], 'stringescape': [ (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|' r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape) ], 'strings': [ (r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?' '[hlL]?[E-GXc-giorsux%]', String.Interpol), (r'[^\\\'"%\n]+', String), # quotes, percents and backslashes must be parsed one at a time (r'[\'"\\]', String), # unhandled string formatting sign (r'%', String) # newlines are an error (use "nl" state) ], 'nl': [ (r'\n', String) ], 'dqs': [ (r'"', String, '#pop'), # included here again for raw strings (r'\\\\|\\"|\\\n', String.Escape), include('strings') ], 'sqs': [ (r"'", String, '#pop'), # included here again for raw strings (r"\\\\|\\'|\\\n", String.Escape), include('strings') ], 'tdqs': [ (r'"""', String, '#pop'), include('strings'), include('nl') ], 'tsqs': [ (r"'''", String, '#pop'), include('strings'), include('nl') ], }