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Diffstat (limited to 'pygments/lexers/perl.py')
| -rw-r--r-- | pygments/lexers/perl.py | 620 |
1 files changed, 0 insertions, 620 deletions
diff --git a/pygments/lexers/perl.py b/pygments/lexers/perl.py deleted file mode 100644 index 8f30c186..00000000 --- a/pygments/lexers/perl.py +++ /dev/null @@ -1,620 +0,0 @@ -# -*- coding: utf-8 -*- -""" - pygments.lexers.perl - ~~~~~~~~~~~~~~~~~~~~ - - Lexers for Perl and related languages. - - :copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS. - :license: BSD, see LICENSE for details. -""" - -import re - -from pygments.lexer import RegexLexer, ExtendedRegexLexer, include, bygroups, \ - using, this, default, words -from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ - Number, Punctuation -from pygments.util import shebang_matches - -__all__ = ['PerlLexer', 'Perl6Lexer'] - - -class PerlLexer(RegexLexer): - """ - For `Perl <http://www.perl.org>`_ source code. - """ - - name = 'Perl' - aliases = ['perl', 'pl'] - filenames = ['*.pl', '*.pm', '*.t'] - mimetypes = ['text/x-perl', 'application/x-perl'] - - flags = re.DOTALL | re.MULTILINE - # TODO: give this to a perl guy who knows how to parse perl... - tokens = { - 'balanced-regex': [ - (r'/(\\\\|\\[^\\]|[^\\/])*/[egimosx]*', String.Regex, '#pop'), - (r'!(\\\\|\\[^\\]|[^\\!])*![egimosx]*', String.Regex, '#pop'), - (r'\\(\\\\|[^\\])*\\[egimosx]*', String.Regex, '#pop'), - (r'\{(\\\\|\\[^\\]|[^\\}])*\}[egimosx]*', String.Regex, '#pop'), - (r'<(\\\\|\\[^\\]|[^\\>])*>[egimosx]*', String.Regex, '#pop'), - (r'\[(\\\\|\\[^\\]|[^\\\]])*\][egimosx]*', String.Regex, '#pop'), - (r'\((\\\\|\\[^\\]|[^\\)])*\)[egimosx]*', String.Regex, '#pop'), - (r'@(\\\\|\\[^\\]|[^\\@])*@[egimosx]*', String.Regex, '#pop'), - (r'%(\\\\|\\[^\\]|[^\\%])*%[egimosx]*', String.Regex, '#pop'), - (r'\$(\\\\|\\[^\\]|[^\\$])*\$[egimosx]*', String.Regex, '#pop'), - ], - 'root': [ - (r'\A\#!.+?$', Comment.Hashbang), - (r'\#.*?$', Comment.Single), - (r'^=[a-zA-Z0-9]+\s+.*?\n=cut', Comment.Multiline), - (words(( - 'case', 'continue', 'do', 'else', 'elsif', 'for', 'foreach', - 'if', 'last', 'my', 'next', 'our', 'redo', 'reset', 'then', - 'unless', 'until', 'while', 'print', 'new', 'BEGIN', - 'CHECK', 'INIT', 'END', 'return'), suffix=r'\b'), - Keyword), - (r'(format)(\s+)(\w+)(\s*)(=)(\s*\n)', - bygroups(Keyword, Text, Name, Text, Punctuation, Text), 'format'), - (r'(eq|lt|gt|le|ge|ne|not|and|or|cmp)\b', Operator.Word), - # common delimiters - (r's/(\\\\|\\[^\\]|[^\\/])*/(\\\\|\\[^\\]|[^\\/])*/[egimosx]*', - String.Regex), - (r's!(\\\\|\\!|[^!])*!(\\\\|\\!|[^!])*![egimosx]*', String.Regex), - (r's\\(\\\\|[^\\])*\\(\\\\|[^\\])*\\[egimosx]*', String.Regex), - (r's@(\\\\|\\[^\\]|[^\\@])*@(\\\\|\\[^\\]|[^\\@])*@[egimosx]*', - String.Regex), - (r's%(\\\\|\\[^\\]|[^\\%])*%(\\\\|\\[^\\]|[^\\%])*%[egimosx]*', - String.Regex), - # balanced delimiters - (r's\{(\\\\|\\[^\\]|[^\\}])*\}\s*', String.Regex, 'balanced-regex'), - (r's<(\\\\|\\[^\\]|[^\\>])*>\s*', String.Regex, 'balanced-regex'), - (r's\[(\\\\|\\[^\\]|[^\\\]])*\]\s*', String.Regex, - 'balanced-regex'), - (r's\((\\\\|\\[^\\]|[^\\)])*\)\s*', String.Regex, - 'balanced-regex'), - - (r'm?/(\\\\|\\[^\\]|[^\\/\n])*/[gcimosx]*', String.Regex), - (r'm(?=[/!\\{<\[(@%$])', String.Regex, 'balanced-regex'), - (r'((?<==~)|(?<=\())\s*/(\\\\|\\[^\\]|[^\\/])*/[gcimosx]*', - String.Regex), - (r'\s+', Text), - (words(( - 'abs', 'accept', 'alarm', 'atan2', 'bind', 'binmode', 'bless', 'caller', 'chdir', - 'chmod', 'chomp', 'chop', 'chown', 'chr', 'chroot', 'close', 'closedir', 'connect', - 'continue', 'cos', 'crypt', 'dbmclose', 'dbmopen', 'defined', 'delete', 'die', - 'dump', 'each', 'endgrent', 'endhostent', 'endnetent', 'endprotoent', - 'endpwent', 'endservent', 'eof', 'eval', 'exec', 'exists', 'exit', 'exp', 'fcntl', - 'fileno', 'flock', 'fork', 'format', 'formline', 'getc', 'getgrent', 'getgrgid', - 'getgrnam', 'gethostbyaddr', 'gethostbyname', 'gethostent', 'getlogin', - 'getnetbyaddr', 'getnetbyname', 'getnetent', 'getpeername', 'getpgrp', - 'getppid', 'getpriority', 'getprotobyname', 'getprotobynumber', - 'getprotoent', 'getpwent', 'getpwnam', 'getpwuid', 'getservbyname', - 'getservbyport', 'getservent', 'getsockname', 'getsockopt', 'glob', 'gmtime', - 'goto', 'grep', 'hex', 'import', 'index', 'int', 'ioctl', 'join', 'keys', 'kill', 'last', - 'lc', 'lcfirst', 'length', 'link', 'listen', 'local', 'localtime', 'log', 'lstat', - 'map', 'mkdir', 'msgctl', 'msgget', 'msgrcv', 'msgsnd', 'my', 'next', 'oct', 'open', - 'opendir', 'ord', 'our', 'pack', 'pipe', 'pop', 'pos', 'printf', - 'prototype', 'push', 'quotemeta', 'rand', 'read', 'readdir', - 'readline', 'readlink', 'readpipe', 'recv', 'redo', 'ref', 'rename', - 'reverse', 'rewinddir', 'rindex', 'rmdir', 'scalar', 'seek', 'seekdir', - 'select', 'semctl', 'semget', 'semop', 'send', 'setgrent', 'sethostent', 'setnetent', - 'setpgrp', 'setpriority', 'setprotoent', 'setpwent', 'setservent', - 'setsockopt', 'shift', 'shmctl', 'shmget', 'shmread', 'shmwrite', 'shutdown', - 'sin', 'sleep', 'socket', 'socketpair', 'sort', 'splice', 'split', 'sprintf', 'sqrt', - 'srand', 'stat', 'study', 'substr', 'symlink', 'syscall', 'sysopen', 'sysread', - 'sysseek', 'system', 'syswrite', 'tell', 'telldir', 'tie', 'tied', 'time', 'times', 'tr', - 'truncate', 'uc', 'ucfirst', 'umask', 'undef', 'unlink', 'unpack', 'unshift', 'untie', - 'utime', 'values', 'vec', 'wait', 'waitpid', 'wantarray', 'warn', 'write'), suffix=r'\b'), - Name.Builtin), - (r'((__(DATA|DIE|WARN)__)|(STD(IN|OUT|ERR)))\b', Name.Builtin.Pseudo), - (r'(<<)([\'"]?)([a-zA-Z_]\w*)(\2;?\n.*?\n)(\3)(\n)', - bygroups(String, String, String.Delimiter, String, String.Delimiter, Text)), - (r'__END__', Comment.Preproc, 'end-part'), - (r'\$\^[ADEFHILMOPSTWX]', Name.Variable.Global), - (r"\$[\\\"\[\]'&`+*.,;=%~?@$!<>(^|/-](?!\w)", Name.Variable.Global), - (r'[$@%#]+', Name.Variable, 'varname'), - (r'0_?[0-7]+(_[0-7]+)*', Number.Oct), - (r'0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)*', Number.Hex), - (r'0b[01]+(_[01]+)*', Number.Bin), - (r'(?i)(\d*(_\d*)*\.\d+(_\d*)*|\d+(_\d*)*\.\d+(_\d*)*)(e[+-]?\d+)?', - Number.Float), - (r'(?i)\d+(_\d*)*e[+-]?\d+(_\d*)*', Number.Float), - (r'\d+(_\d+)*', Number.Integer), - (r"'(\\\\|\\[^\\]|[^'\\])*'", String), - (r'"(\\\\|\\[^\\]|[^"\\])*"', String), - (r'`(\\\\|\\[^\\]|[^`\\])*`', String.Backtick), - (r'<([^\s>]+)>', String.Regex), - (r'(q|qq|qw|qr|qx)\{', String.Other, 'cb-string'), - (r'(q|qq|qw|qr|qx)\(', String.Other, 'rb-string'), - (r'(q|qq|qw|qr|qx)\[', String.Other, 'sb-string'), - (r'(q|qq|qw|qr|qx)\<', String.Other, 'lt-string'), - (r'(q|qq|qw|qr|qx)([\W_])(.|\n)*?\2', String.Other), - (r'(package)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)', - bygroups(Keyword, Text, Name.Namespace)), - (r'(use|require|no)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)', - bygroups(Keyword, Text, Name.Namespace)), - (r'(sub)(\s+)', bygroups(Keyword, Text), 'funcname'), - (words(( - 'no', 'package', 'require', 'use'), suffix=r'\b'), - Keyword), - (r'(\[\]|\*\*|::|<<|>>|>=|<=>|<=|={3}|!=|=~|' - r'!~|&&?|\|\||\.{1,3})', Operator), - (r'[-+/*%=<>&^|!\\~]=?', Operator), - (r'[()\[\]:;,<>/?{}]', Punctuation), # yes, there's no shortage - # of punctuation in Perl! - (r'(?=\w)', Name, 'name'), - ], - 'format': [ - (r'\.\n', String.Interpol, '#pop'), - (r'[^\n]*\n', String.Interpol), - ], - 'varname': [ - (r'\s+', Text), - (r'\{', Punctuation, '#pop'), # hash syntax? - (r'\)|,', Punctuation, '#pop'), # argument specifier - (r'\w+::', Name.Namespace), - (r'[\w:]+', Name.Variable, '#pop'), - ], - 'name': [ - (r'[a-zA-Z_]\w*(::[a-zA-Z_]\w*)*(::)?(?=\s*->)', Name.Namespace, '#pop'), - (r'[a-zA-Z_]\w*(::[a-zA-Z_]\w*)*::', Name.Namespace, '#pop'), - (r'[\w:]+', Name, '#pop'), - (r'[A-Z_]+(?=\W)', Name.Constant, '#pop'), - (r'(?=\W)', Text, '#pop'), - ], - 'funcname': [ - (r'[a-zA-Z_]\w*[!?]?', Name.Function), - (r'\s+', Text), - # argument declaration - (r'(\([$@%]*\))(\s*)', bygroups(Punctuation, Text)), - (r';', Punctuation, '#pop'), - (r'.*?\{', Punctuation, '#pop'), - ], - 'cb-string': [ - (r'\\[{}\\]', String.Other), - (r'\\', String.Other), - (r'\{', String.Other, 'cb-string'), - (r'\}', String.Other, '#pop'), - (r'[^{}\\]+', String.Other) - ], - 'rb-string': [ - (r'\\[()\\]', String.Other), - (r'\\', String.Other), - (r'\(', String.Other, 'rb-string'), - (r'\)', String.Other, '#pop'), - (r'[^()]+', String.Other) - ], - 'sb-string': [ - (r'\\[\[\]\\]', String.Other), - (r'\\', String.Other), - (r'\[', String.Other, 'sb-string'), - (r'\]', String.Other, '#pop'), - (r'[^\[\]]+', String.Other) - ], - 'lt-string': [ - (r'\\[<>\\]', String.Other), - (r'\\', String.Other), - (r'\<', String.Other, 'lt-string'), - (r'\>', String.Other, '#pop'), - (r'[^<>]+', String.Other) - ], - 'end-part': [ - (r'.+', Comment.Preproc, '#pop') - ] - } - - def analyse_text(text): - if shebang_matches(text, r'perl'): - return True - if re.search(r'(?:my|our)\s+[$@%(]', text): - return 0.9 - - -class Perl6Lexer(ExtendedRegexLexer): - """ - For `Perl 6 <http://www.perl6.org>`_ source code. - - .. versionadded:: 2.0 - """ - - name = 'Perl6' - aliases = ['perl6', 'pl6'] - filenames = ['*.pl', '*.pm', '*.nqp', '*.p6', '*.6pl', '*.p6l', '*.pl6', - '*.6pm', '*.p6m', '*.pm6', '*.t'] - mimetypes = ['text/x-perl6', 'application/x-perl6'] - flags = re.MULTILINE | re.DOTALL | re.UNICODE - - PERL6_IDENTIFIER_RANGE = r"['\w:-]" - - PERL6_KEYWORDS = ( - 'BEGIN', 'CATCH', 'CHECK', 'CONTROL', 'END', 'ENTER', 'FIRST', 'INIT', - 'KEEP', 'LAST', 'LEAVE', 'NEXT', 'POST', 'PRE', 'START', 'TEMP', - 'UNDO', 'as', 'assoc', 'async', 'augment', 'binary', 'break', 'but', - 'cached', 'category', 'class', 'constant', 'contend', 'continue', - 'copy', 'deep', 'default', 'defequiv', 'defer', 'die', 'do', 'else', - 'elsif', 'enum', 'equiv', 'exit', 'export', 'fail', 'fatal', 'for', - 'gather', 'given', 'goto', 'grammar', 'handles', 'has', 'if', 'inline', - 'irs', 'is', 'last', 'leave', 'let', 'lift', 'loop', 'looser', 'macro', - 'make', 'maybe', 'method', 'module', 'multi', 'my', 'next', 'of', - 'ofs', 'only', 'oo', 'ors', 'our', 'package', 'parsed', 'prec', - 'proto', 'readonly', 'redo', 'ref', 'regex', 'reparsed', 'repeat', - 'require', 'required', 'return', 'returns', 'role', 'rule', 'rw', - 'self', 'slang', 'state', 'sub', 'submethod', 'subset', 'supersede', - 'take', 'temp', 'tighter', 'token', 'trusts', 'try', 'unary', - 'unless', 'until', 'use', 'warn', 'when', 'where', 'while', 'will', - ) - - PERL6_BUILTINS = ( - 'ACCEPTS', 'HOW', 'REJECTS', 'VAR', 'WHAT', 'WHENCE', 'WHERE', 'WHICH', - 'WHO', 'abs', 'acos', 'acosec', 'acosech', 'acosh', 'acotan', 'acotanh', - 'all', 'any', 'approx', 'arity', 'asec', 'asech', 'asin', 'asinh', - 'assuming', 'atan', 'atan2', 'atanh', 'attr', 'bless', 'body', 'by', - 'bytes', 'caller', 'callsame', 'callwith', 'can', 'capitalize', 'cat', - 'ceiling', 'chars', 'chmod', 'chomp', 'chop', 'chr', 'chroot', - 'circumfix', 'cis', 'classify', 'clone', 'close', 'cmp_ok', 'codes', - 'comb', 'connect', 'contains', 'context', 'cos', 'cosec', 'cosech', - 'cosh', 'cotan', 'cotanh', 'count', 'defined', 'delete', 'diag', - 'dies_ok', 'does', 'e', 'each', 'eager', 'elems', 'end', 'eof', 'eval', - 'eval_dies_ok', 'eval_elsewhere', 'eval_lives_ok', 'evalfile', 'exists', - 'exp', 'first', 'flip', 'floor', 'flunk', 'flush', 'fmt', 'force_todo', - 'fork', 'from', 'getc', 'gethost', 'getlogin', 'getpeername', 'getpw', - 'gmtime', 'graphs', 'grep', 'hints', 'hyper', 'im', 'index', 'infix', - 'invert', 'is_approx', 'is_deeply', 'isa', 'isa_ok', 'isnt', 'iterator', - 'join', 'key', 'keys', 'kill', 'kv', 'lastcall', 'lazy', 'lc', 'lcfirst', - 'like', 'lines', 'link', 'lives_ok', 'localtime', 'log', 'log10', 'map', - 'max', 'min', 'minmax', 'name', 'new', 'nextsame', 'nextwith', 'nfc', - 'nfd', 'nfkc', 'nfkd', 'nok_error', 'nonce', 'none', 'normalize', 'not', - 'nothing', 'ok', 'once', 'one', 'open', 'opendir', 'operator', 'ord', - 'p5chomp', 'p5chop', 'pack', 'pair', 'pairs', 'pass', 'perl', 'pi', - 'pick', 'plan', 'plan_ok', 'polar', 'pop', 'pos', 'postcircumfix', - 'postfix', 'pred', 'prefix', 'print', 'printf', 'push', 'quasi', - 'quotemeta', 'rand', 're', 'read', 'readdir', 'readline', 'reduce', - 'reverse', 'rewind', 'rewinddir', 'rindex', 'roots', 'round', - 'roundrobin', 'run', 'runinstead', 'sameaccent', 'samecase', 'say', - 'sec', 'sech', 'sech', 'seek', 'shape', 'shift', 'sign', 'signature', - 'sin', 'sinh', 'skip', 'skip_rest', 'sleep', 'slurp', 'sort', 'splice', - 'split', 'sprintf', 'sqrt', 'srand', 'strand', 'subst', 'substr', 'succ', - 'sum', 'symlink', 'tan', 'tanh', 'throws_ok', 'time', 'times', 'to', - 'todo', 'trim', 'trim_end', 'trim_start', 'true', 'truncate', 'uc', - 'ucfirst', 'undef', 'undefine', 'uniq', 'unlike', 'unlink', 'unpack', - 'unpolar', 'unshift', 'unwrap', 'use_ok', 'value', 'values', 'vec', - 'version_lt', 'void', 'wait', 'want', 'wrap', 'write', 'zip', - ) - - PERL6_BUILTIN_CLASSES = ( - 'Abstraction', 'Any', 'AnyChar', 'Array', 'Associative', 'Bag', 'Bit', - 'Blob', 'Block', 'Bool', 'Buf', 'Byte', 'Callable', 'Capture', 'Char', 'Class', - 'Code', 'Codepoint', 'Comparator', 'Complex', 'Decreasing', 'Exception', - 'Failure', 'False', 'Grammar', 'Grapheme', 'Hash', 'IO', 'Increasing', - 'Int', 'Junction', 'KeyBag', 'KeyExtractor', 'KeyHash', 'KeySet', - 'KitchenSink', 'List', 'Macro', 'Mapping', 'Match', 'Matcher', 'Method', - 'Module', 'Num', 'Object', 'Ordered', 'Ordering', 'OrderingPair', - 'Package', 'Pair', 'Positional', 'Proxy', 'Range', 'Rat', 'Regex', - 'Role', 'Routine', 'Scalar', 'Seq', 'Set', 'Signature', 'Str', 'StrLen', - 'StrPos', 'Sub', 'Submethod', 'True', 'UInt', 'Undef', 'Version', 'Void', - 'Whatever', 'bit', 'bool', 'buf', 'buf1', 'buf16', 'buf2', 'buf32', - 'buf4', 'buf64', 'buf8', 'complex', 'int', 'int1', 'int16', 'int2', - 'int32', 'int4', 'int64', 'int8', 'num', 'rat', 'rat1', 'rat16', 'rat2', - 'rat32', 'rat4', 'rat64', 'rat8', 'uint', 'uint1', 'uint16', 'uint2', - 'uint32', 'uint4', 'uint64', 'uint8', 'utf16', 'utf32', 'utf8', - ) - - PERL6_OPERATORS = ( - 'X', 'Z', 'after', 'also', 'and', 'andthen', 'before', 'cmp', 'div', - 'eq', 'eqv', 'extra', 'ff', 'fff', 'ge', 'gt', 'le', 'leg', 'lt', 'm', - 'mm', 'mod', 'ne', 'or', 'orelse', 'rx', 's', 'tr', 'x', 'xor', 'xx', - '++', '--', '**', '!', '+', '-', '~', '?', '|', '||', '+^', '~^', '?^', - '^', '*', '/', '%', '%%', '+&', '+<', '+>', '~&', '~<', '~>', '?&', - 'gcd', 'lcm', '+', '-', '+|', '+^', '~|', '~^', '?|', '?^', - '~', '&', '^', 'but', 'does', '<=>', '..', '..^', '^..', '^..^', - '!=', '==', '<', '<=', '>', '>=', '~~', '===', '!eqv', - '&&', '||', '^^', '//', 'min', 'max', '??', '!!', 'ff', 'fff', 'so', - 'not', '<==', '==>', '<<==', '==>>', - ) - - # Perl 6 has a *lot* of possible bracketing characters - # this list was lifted from STD.pm6 (https://github.com/perl6/std) - PERL6_BRACKETS = { - u'\u0028': u'\u0029', u'\u003c': u'\u003e', u'\u005b': u'\u005d', - u'\u007b': u'\u007d', u'\u00ab': u'\u00bb', u'\u0f3a': u'\u0f3b', - u'\u0f3c': u'\u0f3d', u'\u169b': u'\u169c', u'\u2018': u'\u2019', - u'\u201a': u'\u2019', u'\u201b': u'\u2019', u'\u201c': u'\u201d', - u'\u201e': u'\u201d', u'\u201f': u'\u201d', u'\u2039': u'\u203a', - u'\u2045': u'\u2046', u'\u207d': u'\u207e', u'\u208d': u'\u208e', - u'\u2208': u'\u220b', u'\u2209': u'\u220c', u'\u220a': u'\u220d', - u'\u2215': u'\u29f5', u'\u223c': u'\u223d', u'\u2243': u'\u22cd', - u'\u2252': u'\u2253', u'\u2254': u'\u2255', u'\u2264': u'\u2265', - u'\u2266': u'\u2267', u'\u2268': u'\u2269', u'\u226a': u'\u226b', - u'\u226e': u'\u226f', u'\u2270': u'\u2271', u'\u2272': u'\u2273', - u'\u2274': u'\u2275', u'\u2276': u'\u2277', u'\u2278': u'\u2279', - u'\u227a': u'\u227b', u'\u227c': u'\u227d', u'\u227e': u'\u227f', - u'\u2280': u'\u2281', u'\u2282': u'\u2283', u'\u2284': u'\u2285', - u'\u2286': u'\u2287', u'\u2288': u'\u2289', u'\u228a': u'\u228b', - u'\u228f': u'\u2290', u'\u2291': u'\u2292', u'\u2298': u'\u29b8', - u'\u22a2': u'\u22a3', u'\u22a6': u'\u2ade', u'\u22a8': u'\u2ae4', - u'\u22a9': u'\u2ae3', u'\u22ab': u'\u2ae5', u'\u22b0': u'\u22b1', - u'\u22b2': u'\u22b3', u'\u22b4': u'\u22b5', u'\u22b6': u'\u22b7', - u'\u22c9': u'\u22ca', u'\u22cb': u'\u22cc', u'\u22d0': u'\u22d1', - u'\u22d6': u'\u22d7', u'\u22d8': u'\u22d9', u'\u22da': u'\u22db', - u'\u22dc': u'\u22dd', u'\u22de': u'\u22df', u'\u22e0': u'\u22e1', - u'\u22e2': u'\u22e3', u'\u22e4': u'\u22e5', u'\u22e6': u'\u22e7', - u'\u22e8': u'\u22e9', u'\u22ea': u'\u22eb', u'\u22ec': u'\u22ed', - u'\u22f0': u'\u22f1', u'\u22f2': u'\u22fa', u'\u22f3': u'\u22fb', - u'\u22f4': u'\u22fc', u'\u22f6': u'\u22fd', u'\u22f7': u'\u22fe', - u'\u2308': u'\u2309', u'\u230a': u'\u230b', u'\u2329': u'\u232a', - u'\u23b4': u'\u23b5', u'\u2768': u'\u2769', u'\u276a': u'\u276b', - u'\u276c': u'\u276d', u'\u276e': u'\u276f', u'\u2770': u'\u2771', - u'\u2772': u'\u2773', u'\u2774': u'\u2775', u'\u27c3': u'\u27c4', - u'\u27c5': u'\u27c6', u'\u27d5': u'\u27d6', u'\u27dd': u'\u27de', - u'\u27e2': u'\u27e3', u'\u27e4': u'\u27e5', u'\u27e6': u'\u27e7', - u'\u27e8': u'\u27e9', u'\u27ea': u'\u27eb', u'\u2983': u'\u2984', - u'\u2985': u'\u2986', u'\u2987': u'\u2988', u'\u2989': u'\u298a', - u'\u298b': u'\u298c', u'\u298d': u'\u298e', u'\u298f': u'\u2990', - u'\u2991': u'\u2992', u'\u2993': u'\u2994', u'\u2995': u'\u2996', - u'\u2997': u'\u2998', u'\u29c0': u'\u29c1', u'\u29c4': u'\u29c5', - u'\u29cf': u'\u29d0', u'\u29d1': u'\u29d2', u'\u29d4': u'\u29d5', - u'\u29d8': u'\u29d9', u'\u29da': u'\u29db', u'\u29f8': u'\u29f9', - u'\u29fc': u'\u29fd', u'\u2a2b': u'\u2a2c', u'\u2a2d': u'\u2a2e', - u'\u2a34': u'\u2a35', u'\u2a3c': u'\u2a3d', u'\u2a64': u'\u2a65', - u'\u2a79': u'\u2a7a', u'\u2a7d': u'\u2a7e', u'\u2a7f': u'\u2a80', - u'\u2a81': u'\u2a82', u'\u2a83': u'\u2a84', u'\u2a8b': u'\u2a8c', - u'\u2a91': u'\u2a92', u'\u2a93': u'\u2a94', u'\u2a95': u'\u2a96', - u'\u2a97': u'\u2a98', u'\u2a99': u'\u2a9a', u'\u2a9b': u'\u2a9c', - u'\u2aa1': u'\u2aa2', u'\u2aa6': u'\u2aa7', u'\u2aa8': u'\u2aa9', - u'\u2aaa': u'\u2aab', u'\u2aac': u'\u2aad', u'\u2aaf': u'\u2ab0', - u'\u2ab3': u'\u2ab4', u'\u2abb': u'\u2abc', u'\u2abd': u'\u2abe', - u'\u2abf': u'\u2ac0', u'\u2ac1': u'\u2ac2', u'\u2ac3': u'\u2ac4', - u'\u2ac5': u'\u2ac6', u'\u2acd': u'\u2ace', u'\u2acf': u'\u2ad0', - u'\u2ad1': u'\u2ad2', u'\u2ad3': u'\u2ad4', u'\u2ad5': u'\u2ad6', - u'\u2aec': u'\u2aed', u'\u2af7': u'\u2af8', u'\u2af9': u'\u2afa', - u'\u2e02': u'\u2e03', u'\u2e04': u'\u2e05', u'\u2e09': u'\u2e0a', - u'\u2e0c': u'\u2e0d', u'\u2e1c': u'\u2e1d', u'\u2e20': u'\u2e21', - u'\u3008': u'\u3009', u'\u300a': u'\u300b', u'\u300c': u'\u300d', - u'\u300e': u'\u300f', u'\u3010': u'\u3011', u'\u3014': u'\u3015', - u'\u3016': u'\u3017', u'\u3018': u'\u3019', u'\u301a': u'\u301b', - u'\u301d': u'\u301e', u'\ufd3e': u'\ufd3f', u'\ufe17': u'\ufe18', - u'\ufe35': u'\ufe36', u'\ufe37': u'\ufe38', u'\ufe39': u'\ufe3a', - u'\ufe3b': u'\ufe3c', u'\ufe3d': u'\ufe3e', u'\ufe3f': u'\ufe40', - u'\ufe41': u'\ufe42', u'\ufe43': u'\ufe44', u'\ufe47': u'\ufe48', - u'\ufe59': u'\ufe5a', u'\ufe5b': u'\ufe5c', u'\ufe5d': u'\ufe5e', - u'\uff08': u'\uff09', u'\uff1c': u'\uff1e', u'\uff3b': u'\uff3d', - u'\uff5b': u'\uff5d', u'\uff5f': u'\uff60', u'\uff62': u'\uff63', - } - - def _build_word_match(words, boundary_regex_fragment=None, prefix='', suffix=''): - if boundary_regex_fragment is None: - return r'\b(' + prefix + r'|'.join(re.escape(x) for x in words) + \ - suffix + r')\b' - else: - return r'(?<!' + boundary_regex_fragment + r')' + prefix + r'(' + \ - r'|'.join(re.escape(x) for x in words) + r')' + suffix + r'(?!' + \ - boundary_regex_fragment + r')' - - def brackets_callback(token_class): - def callback(lexer, match, context): - groups = match.groupdict() - opening_chars = groups['delimiter'] - n_chars = len(opening_chars) - adverbs = groups.get('adverbs') - - closer = Perl6Lexer.PERL6_BRACKETS.get(opening_chars[0]) - text = context.text - - if closer is None: # it's not a mirrored character, which means we - # just need to look for the next occurrence - - end_pos = text.find(opening_chars, match.start('delimiter') + n_chars) - else: # we need to look for the corresponding closing character, - # keep nesting in mind - closing_chars = closer * n_chars - nesting_level = 1 - - search_pos = match.start('delimiter') - - while nesting_level > 0: - next_open_pos = text.find(opening_chars, search_pos + n_chars) - next_close_pos = text.find(closing_chars, search_pos + n_chars) - - if next_close_pos == -1: - next_close_pos = len(text) - nesting_level = 0 - elif next_open_pos != -1 and next_open_pos < next_close_pos: - nesting_level += 1 - search_pos = next_open_pos - else: # next_close_pos < next_open_pos - nesting_level -= 1 - search_pos = next_close_pos - - end_pos = next_close_pos - - if end_pos < 0: # if we didn't find a closer, just highlight the - # rest of the text in this class - end_pos = len(text) - - if adverbs is not None and re.search(r':to\b', adverbs): - heredoc_terminator = text[match.start('delimiter') + n_chars:end_pos] - end_heredoc = re.search(r'^\s*' + re.escape(heredoc_terminator) + - r'\s*$', text[end_pos:], re.MULTILINE) - - if end_heredoc: - end_pos += end_heredoc.end() - else: - end_pos = len(text) - - yield match.start(), token_class, text[match.start():end_pos + n_chars] - context.pos = end_pos + n_chars - - return callback - - def opening_brace_callback(lexer, match, context): - stack = context.stack - - yield match.start(), Text, context.text[match.start():match.end()] - context.pos = match.end() - - # if we encounter an opening brace and we're one level - # below a token state, it means we need to increment - # the nesting level for braces so we know later when - # we should return to the token rules. - if len(stack) > 2 and stack[-2] == 'token': - context.perl6_token_nesting_level += 1 - - def closing_brace_callback(lexer, match, context): - stack = context.stack - - yield match.start(), Text, context.text[match.start():match.end()] - context.pos = match.end() - - # if we encounter a free closing brace and we're one level - # below a token state, it means we need to check the nesting - # level to see if we need to return to the token state. - if len(stack) > 2 and stack[-2] == 'token': - context.perl6_token_nesting_level -= 1 - if context.perl6_token_nesting_level == 0: - stack.pop() - - def embedded_perl6_callback(lexer, match, context): - context.perl6_token_nesting_level = 1 - yield match.start(), Text, context.text[match.start():match.end()] - context.pos = match.end() - context.stack.append('root') - - # If you're modifying these rules, be careful if you need to process '{' or '}' - # characters. We have special logic for processing these characters (due to the fact - # that you can nest Perl 6 code in regex blocks), so if you need to process one of - # them, make sure you also process the corresponding one! - tokens = { - 'common': [ - (r'#[`|=](?P<delimiter>(?P<first_char>[' + ''.join(PERL6_BRACKETS) + r'])(?P=first_char)*)', - brackets_callback(Comment.Multiline)), - (r'#[^\n]*$', Comment.Single), - (r'^(\s*)=begin\s+(\w+)\b.*?^\1=end\s+\2', Comment.Multiline), - (r'^(\s*)=for.*?\n\s*?\n', Comment.Multiline), - (r'^=.*?\n\s*?\n', Comment.Multiline), - (r'(regex|token|rule)(\s*' + PERL6_IDENTIFIER_RANGE + '+:sym)', - bygroups(Keyword, Name), 'token-sym-brackets'), - (r'(regex|token|rule)(?!' + PERL6_IDENTIFIER_RANGE + r')(\s*' + PERL6_IDENTIFIER_RANGE + '+)?', - bygroups(Keyword, Name), 'pre-token'), - # deal with a special case in the Perl 6 grammar (role q { ... }) - (r'(role)(\s+)(q)(\s*)', bygroups(Keyword, Text, Name, Text)), - (_build_word_match(PERL6_KEYWORDS, PERL6_IDENTIFIER_RANGE), Keyword), - (_build_word_match(PERL6_BUILTIN_CLASSES, PERL6_IDENTIFIER_RANGE, suffix='(?::[UD])?'), - Name.Builtin), - (_build_word_match(PERL6_BUILTINS, PERL6_IDENTIFIER_RANGE), Name.Builtin), - # copied from PerlLexer - (r'[$@%&][.^:?=!~]?' + PERL6_IDENTIFIER_RANGE + u'+(?:<<.*?>>|<.*?>|«.*?»)*', - Name.Variable), - (r'\$[!/](?:<<.*?>>|<.*?>|«.*?»)*', Name.Variable.Global), - (r'::\?\w+', Name.Variable.Global), - (r'[$@%&]\*' + PERL6_IDENTIFIER_RANGE + u'+(?:<<.*?>>|<.*?>|«.*?»)*', - Name.Variable.Global), - (r'\$(?:<.*?>)+', Name.Variable), - (r'(?:q|qq|Q)[a-zA-Z]?\s*(?P<adverbs>:[\w\s:]+)?\s*(?P<delimiter>(?P<first_char>[^0-9a-zA-Z:\s])' - r'(?P=first_char)*)', brackets_callback(String)), - # copied from PerlLexer - (r'0_?[0-7]+(_[0-7]+)*', Number.Oct), - (r'0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)*', Number.Hex), - (r'0b[01]+(_[01]+)*', Number.Bin), - (r'(?i)(\d*(_\d*)*\.\d+(_\d*)*|\d+(_\d*)*\.\d+(_\d*)*)(e[+-]?\d+)?', - Number.Float), - (r'(?i)\d+(_\d*)*e[+-]?\d+(_\d*)*', Number.Float), - (r'\d+(_\d+)*', Number.Integer), - (r'(?<=~~)\s*/(?:\\\\|\\/|.)*?/', String.Regex), - (r'(?<=[=(,])\s*/(?:\\\\|\\/|.)*?/', String.Regex), - (r'm\w+(?=\()', Name), - (r'(?:m|ms|rx)\s*(?P<adverbs>:[\w\s:]+)?\s*(?P<delimiter>(?P<first_char>[^\w:\s])' - r'(?P=first_char)*)', brackets_callback(String.Regex)), - (r'(?:s|ss|tr)\s*(?::[\w\s:]+)?\s*/(?:\\\\|\\/|.)*?/(?:\\\\|\\/|.)*?/', - String.Regex), - (r'<[^\s=].*?\S>', String), - (_build_word_match(PERL6_OPERATORS), Operator), - (r'\w' + PERL6_IDENTIFIER_RANGE + '*', Name), - (r"'(\\\\|\\[^\\]|[^'\\])*'", String), - (r'"(\\\\|\\[^\\]|[^"\\])*"', String), - ], - 'root': [ - include('common'), - (r'\{', opening_brace_callback), - (r'\}', closing_brace_callback), - (r'.+?', Text), - ], - 'pre-token': [ - include('common'), - (r'\{', Text, ('#pop', 'token')), - (r'.+?', Text), - ], - 'token-sym-brackets': [ - (r'(?P<delimiter>(?P<first_char>[' + ''.join(PERL6_BRACKETS) + '])(?P=first_char)*)', - brackets_callback(Name), ('#pop', 'pre-token')), - default(('#pop', 'pre-token')), - ], - 'token': [ - (r'\}', Text, '#pop'), - (r'(?<=:)(?:my|our|state|constant|temp|let).*?;', using(this)), - # make sure that quotes in character classes aren't treated as strings - (r'<(?:[-!?+.]\s*)?\[.*?\]>', String.Regex), - # make sure that '#' characters in quotes aren't treated as comments - (r"(?<!\\)'(\\\\|\\[^\\]|[^'\\])*'", String.Regex), - (r'(?<!\\)"(\\\\|\\[^\\]|[^"\\])*"', String.Regex), - (r'#.*?$', Comment.Single), - (r'\{', embedded_perl6_callback), - ('.+?', String.Regex), - ], - } - - def analyse_text(text): - def strip_pod(lines): - in_pod = False - stripped_lines = [] - - for line in lines: - if re.match(r'^=(?:end|cut)', line): - in_pod = False - elif re.match(r'^=\w+', line): - in_pod = True - elif not in_pod: - stripped_lines.append(line) - - return stripped_lines - - # XXX handle block comments - lines = text.splitlines() - lines = strip_pod(lines) - text = '\n'.join(lines) - - if shebang_matches(text, r'perl6|rakudo|niecza|pugs'): - return True - - saw_perl_decl = False - rating = False - - # check for my/our/has declarations - if re.search(r"(?:my|our|has)\s+(?:" + Perl6Lexer.PERL6_IDENTIFIER_RANGE + - r"+\s+)?[$@%&(]", text): - rating = 0.8 - saw_perl_decl = True - - for line in lines: - line = re.sub('#.*', '', line) - if re.match(r'^\s*$', line): - continue - - # match v6; use v6; use v6.0; use v6.0.0; - if re.match(r'^\s*(?:use\s+)?v6(?:\.\d(?:\.\d)?)?;', line): - return True - # match class, module, role, enum, grammar declarations - class_decl = re.match(r'^\s*(?:(?P<scope>my|our)\s+)?(?:module|class|role|enum|grammar)', line) - if class_decl: - if saw_perl_decl or class_decl.group('scope') is not None: - return True - rating = 0.05 - continue - break - - return rating - - def __init__(self, **options): - super(Perl6Lexer, self).__init__(**options) - self.encoding = options.get('encoding', 'utf-8') |