Mercurial Repositories > eric / file comparison
comparison: eric6/ThirdParty/Pygments/pygments/lexers/perl.py
eric6/ThirdParty/Pygments/pygments/lexers/perl.py
- changeset 8258
- 82b608e352ec
- parent 8257
- 28146736bbfc
- child 8259
- 2bbec88047dd
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| 8257:28146736bbfc | 8258:82b608e352ec |
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| 1 # -*- coding: utf-8 -*- | |
| 2 """ | |
| 3 pygments.lexers.perl | |
| 4 ~~~~~~~~~~~~~~~~~~~~ | |
| 5 | |
| 6 Lexers for Perl, Raku and related languages. | |
| 7 | |
| 8 :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS. | |
| 9 :license: BSD, see LICENSE for details. | |
| 10 """ | |
| 11 | |
| 12 import re | |
| 13 | |
| 14 from pygments.lexer import RegexLexer, ExtendedRegexLexer, include, bygroups, \ | |
| 15 using, this, default, words | |
| 16 from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ | |
| 17 Number, Punctuation | |
| 18 from pygments.util import shebang_matches | |
| 19 | |
| 20 __all__ = ['PerlLexer', 'Perl6Lexer'] | |
| 21 | |
| 22 | |
| 23 class PerlLexer(RegexLexer): | |
| 24 """ | |
| 25 For `Perl <https://www.perl.org>`_ source code. | |
| 26 """ | |
| 27 | |
| 28 name = 'Perl' | |
| 29 aliases = ['perl', 'pl'] | |
| 30 filenames = ['*.pl', '*.pm', '*.t', '*.perl'] | |
| 31 mimetypes = ['text/x-perl', 'application/x-perl'] | |
| 32 | |
| 33 flags = re.DOTALL | re.MULTILINE | |
| 34 # TODO: give this to a perl guy who knows how to parse perl... | |
| 35 tokens = { | |
| 36 'balanced-regex': [ | |
| 37 (r'/(\\\\|\\[^\\]|[^\\/])*/[egimosx]*', String.Regex, '#pop'), | |
| 38 (r'!(\\\\|\\[^\\]|[^\\!])*![egimosx]*', String.Regex, '#pop'), | |
| 39 (r'\\(\\\\|[^\\])*\\[egimosx]*', String.Regex, '#pop'), | |
| 40 (r'\{(\\\\|\\[^\\]|[^\\}])*\}[egimosx]*', String.Regex, '#pop'), | |
| 41 (r'<(\\\\|\\[^\\]|[^\\>])*>[egimosx]*', String.Regex, '#pop'), | |
| 42 (r'\[(\\\\|\\[^\\]|[^\\\]])*\][egimosx]*', String.Regex, '#pop'), | |
| 43 (r'\((\\\\|\\[^\\]|[^\\)])*\)[egimosx]*', String.Regex, '#pop'), | |
| 44 (r'@(\\\\|\\[^\\]|[^\\@])*@[egimosx]*', String.Regex, '#pop'), | |
| 45 (r'%(\\\\|\\[^\\]|[^\\%])*%[egimosx]*', String.Regex, '#pop'), | |
| 46 (r'\$(\\\\|\\[^\\]|[^\\$])*\$[egimosx]*', String.Regex, '#pop'), | |
| 47 ], | |
| 48 'root': [ | |
| 49 (r'\A\#!.+?$', Comment.Hashbang), | |
| 50 (r'\#.*?$', Comment.Single), | |
| 51 (r'^=[a-zA-Z0-9]+\s+.*?\n=cut', Comment.Multiline), | |
| 52 (words(( | |
| 53 'case', 'continue', 'do', 'else', 'elsif', 'for', 'foreach', | |
| 54 'if', 'last', 'my', 'next', 'our', 'redo', 'reset', 'then', | |
| 55 'unless', 'until', 'while', 'print', 'new', 'BEGIN', | |
| 56 'CHECK', 'INIT', 'END', 'return'), suffix=r'\b'), | |
| 57 Keyword), | |
| 58 (r'(format)(\s+)(\w+)(\s*)(=)(\s*\n)', | |
| 59 bygroups(Keyword, Text, Name, Text, Punctuation, Text), 'format'), | |
| 60 (r'(eq|lt|gt|le|ge|ne|not|and|or|cmp)\b', Operator.Word), | |
| 61 # common delimiters | |
| 62 (r's/(\\\\|\\[^\\]|[^\\/])*/(\\\\|\\[^\\]|[^\\/])*/[egimosx]*', | |
| 63 String.Regex), | |
| 64 (r's!(\\\\|\\!|[^!])*!(\\\\|\\!|[^!])*![egimosx]*', String.Regex), | |
| 65 (r's\\(\\\\|[^\\])*\\(\\\\|[^\\])*\\[egimosx]*', String.Regex), | |
| 66 (r's@(\\\\|\\[^\\]|[^\\@])*@(\\\\|\\[^\\]|[^\\@])*@[egimosx]*', | |
| 67 String.Regex), | |
| 68 (r's%(\\\\|\\[^\\]|[^\\%])*%(\\\\|\\[^\\]|[^\\%])*%[egimosx]*', | |
| 69 String.Regex), | |
| 70 # balanced delimiters | |
| 71 (r's\{(\\\\|\\[^\\]|[^\\}])*\}\s*', String.Regex, 'balanced-regex'), | |
| 72 (r's<(\\\\|\\[^\\]|[^\\>])*>\s*', String.Regex, 'balanced-regex'), | |
| 73 (r's\[(\\\\|\\[^\\]|[^\\\]])*\]\s*', String.Regex, | |
| 74 'balanced-regex'), | |
| 75 (r's\((\\\\|\\[^\\]|[^\\)])*\)\s*', String.Regex, | |
| 76 'balanced-regex'), | |
| 77 | |
| 78 (r'm?/(\\\\|\\[^\\]|[^\\/\n])*/[gcimosx]*', String.Regex), | |
| 79 (r'm(?=[/!\\{<\[(@%$])', String.Regex, 'balanced-regex'), | |
| 80 (r'((?<==~)|(?<=\())\s*/(\\\\|\\[^\\]|[^\\/])*/[gcimosx]*', | |
| 81 String.Regex), | |
| 82 (r'\s+', Text), | |
| 83 (words(( | |
| 84 'abs', 'accept', 'alarm', 'atan2', 'bind', 'binmode', 'bless', 'caller', 'chdir', | |
| 85 'chmod', 'chomp', 'chop', 'chown', 'chr', 'chroot', 'close', 'closedir', 'connect', | |
| 86 'continue', 'cos', 'crypt', 'dbmclose', 'dbmopen', 'defined', 'delete', 'die', | |
| 87 'dump', 'each', 'endgrent', 'endhostent', 'endnetent', 'endprotoent', | |
| 88 'endpwent', 'endservent', 'eof', 'eval', 'exec', 'exists', 'exit', 'exp', 'fcntl', | |
| 89 'fileno', 'flock', 'fork', 'format', 'formline', 'getc', 'getgrent', 'getgrgid', | |
| 90 'getgrnam', 'gethostbyaddr', 'gethostbyname', 'gethostent', 'getlogin', | |
| 91 'getnetbyaddr', 'getnetbyname', 'getnetent', 'getpeername', 'getpgrp', | |
| 92 'getppid', 'getpriority', 'getprotobyname', 'getprotobynumber', | |
| 93 'getprotoent', 'getpwent', 'getpwnam', 'getpwuid', 'getservbyname', | |
| 94 'getservbyport', 'getservent', 'getsockname', 'getsockopt', 'glob', 'gmtime', | |
| 95 'goto', 'grep', 'hex', 'import', 'index', 'int', 'ioctl', 'join', 'keys', 'kill', 'last', | |
| 96 'lc', 'lcfirst', 'length', 'link', 'listen', 'local', 'localtime', 'log', 'lstat', | |
| 97 'map', 'mkdir', 'msgctl', 'msgget', 'msgrcv', 'msgsnd', 'my', 'next', 'oct', 'open', | |
| 98 'opendir', 'ord', 'our', 'pack', 'pipe', 'pop', 'pos', 'printf', | |
| 99 'prototype', 'push', 'quotemeta', 'rand', 'read', 'readdir', | |
| 100 'readline', 'readlink', 'readpipe', 'recv', 'redo', 'ref', 'rename', | |
| 101 'reverse', 'rewinddir', 'rindex', 'rmdir', 'scalar', 'seek', 'seekdir', | |
| 102 'select', 'semctl', 'semget', 'semop', 'send', 'setgrent', 'sethostent', 'setnetent', | |
| 103 'setpgrp', 'setpriority', 'setprotoent', 'setpwent', 'setservent', | |
| 104 'setsockopt', 'shift', 'shmctl', 'shmget', 'shmread', 'shmwrite', 'shutdown', | |
| 105 'sin', 'sleep', 'socket', 'socketpair', 'sort', 'splice', 'split', 'sprintf', 'sqrt', | |
| 106 'srand', 'stat', 'study', 'substr', 'symlink', 'syscall', 'sysopen', 'sysread', | |
| 107 'sysseek', 'system', 'syswrite', 'tell', 'telldir', 'tie', 'tied', 'time', 'times', 'tr', | |
| 108 'truncate', 'uc', 'ucfirst', 'umask', 'undef', 'unlink', 'unpack', 'unshift', 'untie', | |
| 109 'utime', 'values', 'vec', 'wait', 'waitpid', 'wantarray', 'warn', 'write'), suffix=r'\b'), | |
| 110 Name.Builtin), | |
| 111 (r'((__(DATA|DIE|WARN)__)|(STD(IN|OUT|ERR)))\b', Name.Builtin.Pseudo), | |
| 112 (r'(<<)([\'"]?)([a-zA-Z_]\w*)(\2;?\n.*?\n)(\3)(\n)', | |
| 113 bygroups(String, String, String.Delimiter, String, String.Delimiter, Text)), | |
| 114 (r'__END__', Comment.Preproc, 'end-part'), | |
| 115 (r'\$\^[ADEFHILMOPSTWX]', Name.Variable.Global), | |
| 116 (r"\$[\\\"\[\]'&`+*.,;=%~?@$!<>(^|/-](?!\w)", Name.Variable.Global), | |
| 117 (r'[$@%#]+', Name.Variable, 'varname'), | |
| 118 (r'0_?[0-7]+(_[0-7]+)*', Number.Oct), | |
| 119 (r'0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)*', Number.Hex), | |
| 120 (r'0b[01]+(_[01]+)*', Number.Bin), | |
| 121 (r'(?i)(\d*(_\d*)*\.\d+(_\d*)*|\d+(_\d*)*\.\d+(_\d*)*)(e[+-]?\d+)?', | |
| 122 Number.Float), | |
| 123 (r'(?i)\d+(_\d*)*e[+-]?\d+(_\d*)*', Number.Float), | |
| 124 (r'\d+(_\d+)*', Number.Integer), | |
| 125 (r"'(\\\\|\\[^\\]|[^'\\])*'", String), | |
| 126 (r'"(\\\\|\\[^\\]|[^"\\])*"', String), | |
| 127 (r'`(\\\\|\\[^\\]|[^`\\])*`', String.Backtick), | |
| 128 (r'<([^\s>]+)>', String.Regex), | |
| 129 (r'(q|qq|qw|qr|qx)\{', String.Other, 'cb-string'), | |
| 130 (r'(q|qq|qw|qr|qx)\(', String.Other, 'rb-string'), | |
| 131 (r'(q|qq|qw|qr|qx)\[', String.Other, 'sb-string'), | |
| 132 (r'(q|qq|qw|qr|qx)\<', String.Other, 'lt-string'), | |
| 133 (r'(q|qq|qw|qr|qx)([\W_])(.|\n)*?\2', String.Other), | |
| 134 (r'(package)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)', | |
| 135 bygroups(Keyword, Text, Name.Namespace)), | |
| 136 (r'(use|require|no)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)', | |
| 137 bygroups(Keyword, Text, Name.Namespace)), | |
| 138 (r'(sub)(\s+)', bygroups(Keyword, Text), 'funcname'), | |
| 139 (words(( | |
| 140 'no', 'package', 'require', 'use'), suffix=r'\b'), | |
| 141 Keyword), | |
| 142 (r'(\[\]|\*\*|::|<<|>>|>=|<=>|<=|={3}|!=|=~|' | |
| 143 r'!~|&&?|\|\||\.{1,3})', Operator), | |
| 144 (r'[-+/*%=<>&^|!\\~]=?', Operator), | |
| 145 (r'[()\[\]:;,<>/?{}]', Punctuation), # yes, there's no shortage | |
| 146 # of punctuation in Perl! | |
| 147 (r'(?=\w)', Name, 'name'), | |
| 148 ], | |
| 149 'format': [ | |
| 150 (r'\.\n', String.Interpol, '#pop'), | |
| 151 (r'[^\n]*\n', String.Interpol), | |
| 152 ], | |
| 153 'varname': [ | |
| 154 (r'\s+', Text), | |
| 155 (r'\{', Punctuation, '#pop'), # hash syntax? | |
| 156 (r'\)|,', Punctuation, '#pop'), # argument specifier | |
| 157 (r'\w+::', Name.Namespace), | |
| 158 (r'[\w:]+', Name.Variable, '#pop'), | |
| 159 ], | |
| 160 'name': [ | |
| 161 (r'[a-zA-Z_]\w*(::[a-zA-Z_]\w*)*(::)?(?=\s*->)', Name.Namespace, '#pop'), | |
| 162 (r'[a-zA-Z_]\w*(::[a-zA-Z_]\w*)*::', Name.Namespace, '#pop'), | |
| 163 (r'[\w:]+', Name, '#pop'), | |
| 164 (r'[A-Z_]+(?=\W)', Name.Constant, '#pop'), | |
| 165 (r'(?=\W)', Text, '#pop'), | |
| 166 ], | |
| 167 'funcname': [ | |
| 168 (r'[a-zA-Z_]\w*[!?]?', Name.Function), | |
| 169 (r'\s+', Text), | |
| 170 # argument declaration | |
| 171 (r'(\([$@%]*\))(\s*)', bygroups(Punctuation, Text)), | |
| 172 (r';', Punctuation, '#pop'), | |
| 173 (r'.*?\{', Punctuation, '#pop'), | |
| 174 ], | |
| 175 'cb-string': [ | |
| 176 (r'\\[{}\\]', String.Other), | |
| 177 (r'\\', String.Other), | |
| 178 (r'\{', String.Other, 'cb-string'), | |
| 179 (r'\}', String.Other, '#pop'), | |
| 180 (r'[^{}\\]+', String.Other) | |
| 181 ], | |
| 182 'rb-string': [ | |
| 183 (r'\\[()\\]', String.Other), | |
| 184 (r'\\', String.Other), | |
| 185 (r'\(', String.Other, 'rb-string'), | |
| 186 (r'\)', String.Other, '#pop'), | |
| 187 (r'[^()]+', String.Other) | |
| 188 ], | |
| 189 'sb-string': [ | |
| 190 (r'\\[\[\]\\]', String.Other), | |
| 191 (r'\\', String.Other), | |
| 192 (r'\[', String.Other, 'sb-string'), | |
| 193 (r'\]', String.Other, '#pop'), | |
| 194 (r'[^\[\]]+', String.Other) | |
| 195 ], | |
| 196 'lt-string': [ | |
| 197 (r'\\[<>\\]', String.Other), | |
| 198 (r'\\', String.Other), | |
| 199 (r'\<', String.Other, 'lt-string'), | |
| 200 (r'\>', String.Other, '#pop'), | |
| 201 (r'[^<>]+', String.Other) | |
| 202 ], | |
| 203 'end-part': [ | |
| 204 (r'.+', Comment.Preproc, '#pop') | |
| 205 ] | |
| 206 } | |
| 207 | |
| 208 def analyse_text(text): | |
| 209 if shebang_matches(text, r'perl'): | |
| 210 return True | |
| 211 | |
| 212 result = 0 | |
| 213 | |
| 214 if re.search(r'(?:my|our)\s+[$@%(]', text): | |
| 215 result += 0.9 | |
| 216 | |
| 217 if ':=' in text: | |
| 218 # := is not valid Perl, but it appears in unicon, so we should | |
| 219 # become less confident if we think we found Perl with := | |
| 220 result /= 2 | |
| 221 | |
| 222 return result | |
| 223 | |
| 224 | |
| 225 class Perl6Lexer(ExtendedRegexLexer): | |
| 226 """ | |
| 227 For `Raku <https://www.raku.org>`_ (a.k.a. Perl 6) source code. | |
| 228 | |
| 229 .. versionadded:: 2.0 | |
| 230 """ | |
| 231 | |
| 232 name = 'Perl6' | |
| 233 aliases = ['perl6', 'pl6', 'raku'] | |
| 234 filenames = ['*.pl', '*.pm', '*.nqp', '*.p6', '*.6pl', '*.p6l', '*.pl6', | |
| 235 '*.6pm', '*.p6m', '*.pm6', '*.t', '*.raku', '*.rakumod', | |
| 236 '*.rakutest', '*.rakudoc'] | |
| 237 mimetypes = ['text/x-perl6', 'application/x-perl6'] | |
| 238 flags = re.MULTILINE | re.DOTALL | re.UNICODE | |
| 239 | |
| 240 PERL6_IDENTIFIER_RANGE = r"['\w:-]" | |
| 241 | |
| 242 PERL6_KEYWORDS = ( | |
| 243 #Phasers | |
| 244 'BEGIN','CATCH','CHECK','CLOSE','CONTROL','DOC','END','ENTER','FIRST', | |
| 245 'INIT','KEEP','LAST','LEAVE','NEXT','POST','PRE','QUIT','UNDO', | |
| 246 #Keywords | |
| 247 'anon','augment','but','class','constant','default','does','else', | |
| 248 'elsif','enum','for','gather','given','grammar','has','if','import', | |
| 249 'is','let','loop','made','make','method','module','multi','my','need', | |
| 250 'orwith','our','proceed','proto','repeat','require','return', | |
| 251 'return-rw','returns','role','rule','state','sub','submethod','subset', | |
| 252 'succeed','supersede','token','try','unit','unless','until','use', | |
| 253 'when','while','with','without', | |
| 254 #Traits | |
| 255 'export','native','repr','required','rw','symbol', | |
| 256 ) | |
| 257 | |
| 258 PERL6_BUILTINS = ( | |
| 259 'ACCEPTS','abs','abs2rel','absolute','accept','accessed','acos', | |
| 260 'acosec','acosech','acosh','acotan','acotanh','acquire','act','action', | |
| 261 'actions','add','add_attribute','add_enum_value','add_fallback', | |
| 262 'add_method','add_parent','add_private_method','add_role','add_trustee', | |
| 263 'adverb','after','all','allocate','allof','allowed','alternative-names', | |
| 264 'annotations','antipair','antipairs','any','anyof','app_lifetime', | |
| 265 'append','arch','archname','args','arity','Array','asec','asech','asin', | |
| 266 'asinh','ASSIGN-KEY','ASSIGN-POS','assuming','ast','at','atan','atan2', | |
| 267 'atanh','AT-KEY','atomic-assign','atomic-dec-fetch','atomic-fetch', | |
| 268 'atomic-fetch-add','atomic-fetch-dec','atomic-fetch-inc', | |
| 269 'atomic-fetch-sub','atomic-inc-fetch','AT-POS','attributes','auth', | |
| 270 'await','backtrace','Bag','BagHash','bail-out','base','basename', | |
| 271 'base-repeating','batch','BIND-KEY','BIND-POS','bind-stderr', | |
| 272 'bind-stdin','bind-stdout','bind-udp','bits','bless','block','Bool', | |
| 273 'bool-only','bounds','break','Bridge','broken','BUILD','build-date', | |
| 274 'bytes','cache','callframe','calling-package','CALL-ME','callsame', | |
| 275 'callwith','can','cancel','candidates','cando','can-ok','canonpath', | |
| 276 'caps','caption','Capture','cas','catdir','categorize','categorize-list', | |
| 277 'catfile','catpath','cause','ceiling','cglobal','changed','Channel', | |
| 278 'chars','chdir','child','child-name','child-typename','chmod','chomp', | |
| 279 'chop','chr','chrs','chunks','cis','classify','classify-list','cleanup', | |
| 280 'clone','close','closed','close-stdin','cmp-ok','code','codes','collate', | |
| 281 'column','comb','combinations','command','comment','compiler','Complex', | |
| 282 'compose','compose_type','composer','condition','config', | |
| 283 'configure_destroy','configure_type_checking','conj','connect', | |
| 284 'constraints','construct','contains','contents','copy','cos','cosec', | |
| 285 'cosech','cosh','cotan','cotanh','count','count-only','cpu-cores', | |
| 286 'cpu-usage','CREATE','create_type','cross','cue','curdir','curupdir','d', | |
| 287 'Date','DateTime','day','daycount','day-of-month','day-of-week', | |
| 288 'day-of-year','days-in-month','declaration','decode','decoder','deepmap', | |
| 289 'default','defined','DEFINITE','delayed','DELETE-KEY','DELETE-POS', | |
| 290 'denominator','desc','DESTROY','destroyers','devnull','diag', | |
| 291 'did-you-mean','die','dies-ok','dir','dirname','dir-sep','DISTROnames', | |
| 292 'do','does','does-ok','done','done-testing','duckmap','dynamic','e', | |
| 293 'eager','earlier','elems','emit','enclosing','encode','encoder', | |
| 294 'encoding','end','ends-with','enum_from_value','enum_value_list', | |
| 295 'enum_values','enums','eof','EVAL','eval-dies-ok','EVALFILE', | |
| 296 'eval-lives-ok','exception','excludes-max','excludes-min','EXISTS-KEY', | |
| 297 'EXISTS-POS','exit','exitcode','exp','expected','explicitly-manage', | |
| 298 'expmod','extension','f','fail','fails-like','fc','feature','file', | |
| 299 'filename','find_method','find_method_qualified','finish','first','flat', | |
| 300 'flatmap','flip','floor','flunk','flush','fmt','format','formatter', | |
| 301 'freeze','from','from-list','from-loop','from-posix','full', | |
| 302 'full-barrier','get','get_value','getc','gist','got','grab','grabpairs', | |
| 303 'grep','handle','handled','handles','hardware','has_accessor','Hash', | |
| 304 'head','headers','hh-mm-ss','hidden','hides','hour','how','hyper','id', | |
| 305 'illegal','im','in','indent','index','indices','indir','infinite', | |
| 306 'infix','infix:<+>','infix:<->','install_method_cache','Instant', | |
| 307 'instead','Int','int-bounds','interval','in-timezone','invalid-str', | |
| 308 'invert','invocant','IO','IO::Notification.watch-path','is_trusted', | |
| 309 'is_type','isa','is-absolute','isa-ok','is-approx','is-deeply', | |
| 310 'is-hidden','is-initial-thread','is-int','is-lazy','is-leap-year', | |
| 311 'isNaN','isnt','is-prime','is-relative','is-routine','is-setting', | |
| 312 'is-win','item','iterator','join','keep','kept','KERNELnames','key', | |
| 313 'keyof','keys','kill','kv','kxxv','l','lang','last','lastcall','later', | |
| 314 'lazy','lc','leading','level','like','line','lines','link','List', | |
| 315 'listen','live','lives-ok','local','lock','log','log10','lookup','lsb', | |
| 316 'made','MAIN','make','Map','match','max','maxpairs','merge','message', | |
| 317 'method','method_table','methods','migrate','min','minmax','minpairs', | |
| 318 'minute','misplaced','Mix','MixHash','mkdir','mode','modified','month', | |
| 319 'move','mro','msb','multi','multiness','my','name','named','named_names', | |
| 320 'narrow','nativecast','native-descriptor','nativesizeof','new','new_type', | |
| 321 'new-from-daycount','new-from-pairs','next','nextcallee','next-handle', | |
| 322 'nextsame','nextwith','NFC','NFD','NFKC','NFKD','nl-in','nl-out', | |
| 323 'nodemap','nok','none','norm','not','note','now','nude','Num', | |
| 324 'numerator','Numeric','of','offset','offset-in-hours','offset-in-minutes', | |
| 325 'ok','old','on-close','one','on-switch','open','opened','operation', | |
| 326 'optional','ord','ords','orig','os-error','osname','out-buffer','pack', | |
| 327 'package','package-kind','package-name','packages','pair','pairs', | |
| 328 'pairup','parameter','params','parent','parent-name','parents','parse', | |
| 329 'parse-base','parsefile','parse-names','parts','pass','path','path-sep', | |
| 330 'payload','peer-host','peer-port','periods','perl','permutations','phaser', | |
| 331 'pick','pickpairs','pid','placeholder','plan','plus','polar','poll', | |
| 332 'polymod','pop','pos','positional','posix','postfix','postmatch', | |
| 333 'precomp-ext','precomp-target','pred','prefix','prematch','prepend', | |
| 334 'print','printf','print-nl','print-to','private','private_method_table', | |
| 335 'proc','produce','Promise','prompt','protect','pull-one','push', | |
| 336 'push-all','push-at-least','push-exactly','push-until-lazy','put', | |
| 337 'qualifier-type','quit','r','race','radix','rand','range','Rat','raw', | |
| 338 're','read','readchars','readonly','ready','Real','reallocate','reals', | |
| 339 'reason','rebless','receive','recv','redispatcher','redo','reduce', | |
| 340 'rel2abs','relative','release','rename','repeated','replacement', | |
| 341 'report','reserved','resolve','restore','result','resume','rethrow', | |
| 342 'reverse','right','rindex','rmdir','role','roles_to_compose','rolish', | |
| 343 'roll','rootdir','roots','rotate','rotor','round','roundrobin', | |
| 344 'routine-type','run','rwx','s','samecase','samemark','samewith','say', | |
| 345 'schedule-on','scheduler','scope','sec','sech','second','seek','self', | |
| 346 'send','Set','set_hidden','set_name','set_package','set_rw','set_value', | |
| 347 'SetHash','set-instruments','setup_finalization','shape','share','shell', | |
| 348 'shift','sibling','sigil','sign','signal','signals','signature','sin', | |
| 349 'sinh','sink','sink-all','skip','skip-at-least','skip-at-least-pull-one', | |
| 350 'skip-one','skip-rest','sleep','sleep-timer','sleep-until','Slip','slurp', | |
| 351 'slurp-rest','slurpy','snap','snapper','so','socket-host','socket-port', | |
| 352 'sort','source','source-package','spawn','SPEC','splice','split', | |
| 353 'splitdir','splitpath','sprintf','spurt','sqrt','squish','srand','stable', | |
| 354 'start','started','starts-with','status','stderr','stdout','Str', | |
| 355 'sub_signature','subbuf','subbuf-rw','subname','subparse','subst', | |
| 356 'subst-mutate','substr','substr-eq','substr-rw','subtest','succ','sum', | |
| 357 'Supply','symlink','t','tail','take','take-rw','tan','tanh','tap', | |
| 358 'target','target-name','tc','tclc','tell','then','throttle','throw', | |
| 359 'throws-like','timezone','tmpdir','to','today','todo','toggle','to-posix', | |
| 360 'total','trailing','trans','tree','trim','trim-leading','trim-trailing', | |
| 361 'truncate','truncated-to','trusts','try_acquire','trying','twigil','type', | |
| 362 'type_captures','typename','uc','udp','uncaught_handler','unimatch', | |
| 363 'uniname','uninames','uniparse','uniprop','uniprops','unique','unival', | |
| 364 'univals','unlike','unlink','unlock','unpack','unpolar','unshift', | |
| 365 'unwrap','updir','USAGE','use-ok','utc','val','value','values','VAR', | |
| 366 'variable','verbose-config','version','VMnames','volume','vow','w','wait', | |
| 367 'warn','watch','watch-path','week','weekday-of-month','week-number', | |
| 368 'week-year','WHAT','when','WHERE','WHEREFORE','WHICH','WHO', | |
| 369 'whole-second','WHY','wordcase','words','workaround','wrap','write', | |
| 370 'write-to','x','yada','year','yield','yyyy-mm-dd','z','zip','zip-latest', | |
| 371 | |
| 372 ) | |
| 373 | |
| 374 PERL6_BUILTIN_CLASSES = ( | |
| 375 #Booleans | |
| 376 'False','True', | |
| 377 #Classes | |
| 378 'Any','Array','Associative','AST','atomicint','Attribute','Backtrace', | |
| 379 'Backtrace::Frame','Bag','Baggy','BagHash','Blob','Block','Bool','Buf', | |
| 380 'Callable','CallFrame','Cancellation','Capture','CArray','Channel','Code', | |
| 381 'compiler','Complex','ComplexStr','Cool','CurrentThreadScheduler', | |
| 382 'Cursor','Date','Dateish','DateTime','Distro','Duration','Encoding', | |
| 383 'Exception','Failure','FatRat','Grammar','Hash','HyperWhatever','Instant', | |
| 384 'Int','int16','int32','int64','int8','IntStr','IO','IO::ArgFiles', | |
| 385 'IO::CatHandle','IO::Handle','IO::Notification','IO::Path', | |
| 386 'IO::Path::Cygwin','IO::Path::QNX','IO::Path::Unix','IO::Path::Win32', | |
| 387 'IO::Pipe','IO::Socket','IO::Socket::Async','IO::Socket::INET','IO::Spec', | |
| 388 'IO::Spec::Cygwin','IO::Spec::QNX','IO::Spec::Unix','IO::Spec::Win32', | |
| 389 'IO::Special','Iterable','Iterator','Junction','Kernel','Label','List', | |
| 390 'Lock','Lock::Async','long','longlong','Macro','Map','Match', | |
| 391 'Metamodel::AttributeContainer','Metamodel::C3MRO','Metamodel::ClassHOW', | |
| 392 'Metamodel::EnumHOW','Metamodel::Finalization','Metamodel::MethodContainer', | |
| 393 'Metamodel::MROBasedMethodDispatch','Metamodel::MultipleInheritance', | |
| 394 'Metamodel::Naming','Metamodel::Primitives','Metamodel::PrivateMethodContainer', | |
| 395 'Metamodel::RoleContainer','Metamodel::Trusting','Method','Mix','MixHash', | |
| 396 'Mixy','Mu','NFC','NFD','NFKC','NFKD','Nil','Num','num32','num64', | |
| 397 'Numeric','NumStr','ObjAt','Order','Pair','Parameter','Perl','Pod::Block', | |
| 398 'Pod::Block::Code','Pod::Block::Comment','Pod::Block::Declarator', | |
| 399 'Pod::Block::Named','Pod::Block::Para','Pod::Block::Table','Pod::Heading', | |
| 400 'Pod::Item','Pointer','Positional','PositionalBindFailover','Proc', | |
| 401 'Proc::Async','Promise','Proxy','PseudoStash','QuantHash','Range','Rat', | |
| 402 'Rational','RatStr','Real','Regex','Routine','Scalar','Scheduler', | |
| 403 'Semaphore','Seq','Set','SetHash','Setty','Signature','size_t','Slip', | |
| 404 'Stash','Str','StrDistance','Stringy','Sub','Submethod','Supplier', | |
| 405 'Supplier::Preserving','Supply','Systemic','Tap','Telemetry', | |
| 406 'Telemetry::Instrument::Thread','Telemetry::Instrument::Usage', | |
| 407 'Telemetry::Period','Telemetry::Sampler','Thread','ThreadPoolScheduler', | |
| 408 'UInt','uint16','uint32','uint64','uint8','Uni','utf8','Variable', | |
| 409 'Version','VM','Whatever','WhateverCode','WrapHandle' | |
| 410 ) | |
| 411 | |
| 412 PERL6_OPERATORS = ( | |
| 413 'X', 'Z', 'after', 'also', 'and', 'andthen', 'before', 'cmp', 'div', | |
| 414 'eq', 'eqv', 'extra', 'ff', 'fff', 'ge', 'gt', 'le', 'leg', 'lt', 'm', | |
| 415 'mm', 'mod', 'ne', 'or', 'orelse', 'rx', 's', 'tr', 'x', 'xor', 'xx', | |
| 416 '++', '--', '**', '!', '+', '-', '~', '?', '|', '||', '+^', '~^', '?^', | |
| 417 '^', '*', '/', '%', '%%', '+&', '+<', '+>', '~&', '~<', '~>', '?&', | |
| 418 'gcd', 'lcm', '+', '-', '+|', '+^', '~|', '~^', '?|', '?^', | |
| 419 '~', '&', '^', 'but', 'does', '<=>', '..', '..^', '^..', '^..^', | |
| 420 '!=', '==', '<', '<=', '>', '>=', '~~', '===', '!eqv', | |
| 421 '&&', '||', '^^', '//', 'min', 'max', '??', '!!', 'ff', 'fff', 'so', | |
| 422 'not', '<==', '==>', '<<==', '==>>','unicmp', | |
| 423 ) | |
| 424 | |
| 425 # Perl 6 has a *lot* of possible bracketing characters | |
| 426 # this list was lifted from STD.pm6 (https://github.com/perl6/std) | |
| 427 PERL6_BRACKETS = { | |
| 428 '\u0028': '\u0029', '\u003c': '\u003e', '\u005b': '\u005d', | |
| 429 '\u007b': '\u007d', '\u00ab': '\u00bb', '\u0f3a': '\u0f3b', | |
| 430 '\u0f3c': '\u0f3d', '\u169b': '\u169c', '\u2018': '\u2019', | |
| 431 '\u201a': '\u2019', '\u201b': '\u2019', '\u201c': '\u201d', | |
| 432 '\u201e': '\u201d', '\u201f': '\u201d', '\u2039': '\u203a', | |
| 433 '\u2045': '\u2046', '\u207d': '\u207e', '\u208d': '\u208e', | |
| 434 '\u2208': '\u220b', '\u2209': '\u220c', '\u220a': '\u220d', | |
| 435 '\u2215': '\u29f5', '\u223c': '\u223d', '\u2243': '\u22cd', | |
| 436 '\u2252': '\u2253', '\u2254': '\u2255', '\u2264': '\u2265', | |
| 437 '\u2266': '\u2267', '\u2268': '\u2269', '\u226a': '\u226b', | |
| 438 '\u226e': '\u226f', '\u2270': '\u2271', '\u2272': '\u2273', | |
| 439 '\u2274': '\u2275', '\u2276': '\u2277', '\u2278': '\u2279', | |
| 440 '\u227a': '\u227b', '\u227c': '\u227d', '\u227e': '\u227f', | |
| 441 '\u2280': '\u2281', '\u2282': '\u2283', '\u2284': '\u2285', | |
| 442 '\u2286': '\u2287', '\u2288': '\u2289', '\u228a': '\u228b', | |
| 443 '\u228f': '\u2290', '\u2291': '\u2292', '\u2298': '\u29b8', | |
| 444 '\u22a2': '\u22a3', '\u22a6': '\u2ade', '\u22a8': '\u2ae4', | |
| 445 '\u22a9': '\u2ae3', '\u22ab': '\u2ae5', '\u22b0': '\u22b1', | |
| 446 '\u22b2': '\u22b3', '\u22b4': '\u22b5', '\u22b6': '\u22b7', | |
| 447 '\u22c9': '\u22ca', '\u22cb': '\u22cc', '\u22d0': '\u22d1', | |
| 448 '\u22d6': '\u22d7', '\u22d8': '\u22d9', '\u22da': '\u22db', | |
| 449 '\u22dc': '\u22dd', '\u22de': '\u22df', '\u22e0': '\u22e1', | |
| 450 '\u22e2': '\u22e3', '\u22e4': '\u22e5', '\u22e6': '\u22e7', | |
| 451 '\u22e8': '\u22e9', '\u22ea': '\u22eb', '\u22ec': '\u22ed', | |
| 452 '\u22f0': '\u22f1', '\u22f2': '\u22fa', '\u22f3': '\u22fb', | |
| 453 '\u22f4': '\u22fc', '\u22f6': '\u22fd', '\u22f7': '\u22fe', | |
| 454 '\u2308': '\u2309', '\u230a': '\u230b', '\u2329': '\u232a', | |
| 455 '\u23b4': '\u23b5', '\u2768': '\u2769', '\u276a': '\u276b', | |
| 456 '\u276c': '\u276d', '\u276e': '\u276f', '\u2770': '\u2771', | |
| 457 '\u2772': '\u2773', '\u2774': '\u2775', '\u27c3': '\u27c4', | |
| 458 '\u27c5': '\u27c6', '\u27d5': '\u27d6', '\u27dd': '\u27de', | |
| 459 '\u27e2': '\u27e3', '\u27e4': '\u27e5', '\u27e6': '\u27e7', | |
| 460 '\u27e8': '\u27e9', '\u27ea': '\u27eb', '\u2983': '\u2984', | |
| 461 '\u2985': '\u2986', '\u2987': '\u2988', '\u2989': '\u298a', | |
| 462 '\u298b': '\u298c', '\u298d': '\u298e', '\u298f': '\u2990', | |
| 463 '\u2991': '\u2992', '\u2993': '\u2994', '\u2995': '\u2996', | |
| 464 '\u2997': '\u2998', '\u29c0': '\u29c1', '\u29c4': '\u29c5', | |
| 465 '\u29cf': '\u29d0', '\u29d1': '\u29d2', '\u29d4': '\u29d5', | |
| 466 '\u29d8': '\u29d9', '\u29da': '\u29db', '\u29f8': '\u29f9', | |
| 467 '\u29fc': '\u29fd', '\u2a2b': '\u2a2c', '\u2a2d': '\u2a2e', | |
| 468 '\u2a34': '\u2a35', '\u2a3c': '\u2a3d', '\u2a64': '\u2a65', | |
| 469 '\u2a79': '\u2a7a', '\u2a7d': '\u2a7e', '\u2a7f': '\u2a80', | |
| 470 '\u2a81': '\u2a82', '\u2a83': '\u2a84', '\u2a8b': '\u2a8c', | |
| 471 '\u2a91': '\u2a92', '\u2a93': '\u2a94', '\u2a95': '\u2a96', | |
| 472 '\u2a97': '\u2a98', '\u2a99': '\u2a9a', '\u2a9b': '\u2a9c', | |
| 473 '\u2aa1': '\u2aa2', '\u2aa6': '\u2aa7', '\u2aa8': '\u2aa9', | |
| 474 '\u2aaa': '\u2aab', '\u2aac': '\u2aad', '\u2aaf': '\u2ab0', | |
| 475 '\u2ab3': '\u2ab4', '\u2abb': '\u2abc', '\u2abd': '\u2abe', | |
| 476 '\u2abf': '\u2ac0', '\u2ac1': '\u2ac2', '\u2ac3': '\u2ac4', | |
| 477 '\u2ac5': '\u2ac6', '\u2acd': '\u2ace', '\u2acf': '\u2ad0', | |
| 478 '\u2ad1': '\u2ad2', '\u2ad3': '\u2ad4', '\u2ad5': '\u2ad6', | |
| 479 '\u2aec': '\u2aed', '\u2af7': '\u2af8', '\u2af9': '\u2afa', | |
| 480 '\u2e02': '\u2e03', '\u2e04': '\u2e05', '\u2e09': '\u2e0a', | |
| 481 '\u2e0c': '\u2e0d', '\u2e1c': '\u2e1d', '\u2e20': '\u2e21', | |
| 482 '\u3008': '\u3009', '\u300a': '\u300b', '\u300c': '\u300d', | |
| 483 '\u300e': '\u300f', '\u3010': '\u3011', '\u3014': '\u3015', | |
| 484 '\u3016': '\u3017', '\u3018': '\u3019', '\u301a': '\u301b', | |
| 485 '\u301d': '\u301e', '\ufd3e': '\ufd3f', '\ufe17': '\ufe18', | |
| 486 '\ufe35': '\ufe36', '\ufe37': '\ufe38', '\ufe39': '\ufe3a', | |
| 487 '\ufe3b': '\ufe3c', '\ufe3d': '\ufe3e', '\ufe3f': '\ufe40', | |
| 488 '\ufe41': '\ufe42', '\ufe43': '\ufe44', '\ufe47': '\ufe48', | |
| 489 '\ufe59': '\ufe5a', '\ufe5b': '\ufe5c', '\ufe5d': '\ufe5e', | |
| 490 '\uff08': '\uff09', '\uff1c': '\uff1e', '\uff3b': '\uff3d', | |
| 491 '\uff5b': '\uff5d', '\uff5f': '\uff60', '\uff62': '\uff63', | |
| 492 } | |
| 493 | |
| 494 def _build_word_match(words, boundary_regex_fragment=None, prefix='', suffix=''): | |
| 495 if boundary_regex_fragment is None: | |
| 496 return r'\b(' + prefix + r'|'.join(re.escape(x) for x in words) + \ | |
| 497 suffix + r')\b' | |
| 498 else: | |
| 499 return r'(?<!' + boundary_regex_fragment + r')' + prefix + r'(' + \ | |
| 500 r'|'.join(re.escape(x) for x in words) + r')' + suffix + r'(?!' + \ | |
| 501 boundary_regex_fragment + r')' | |
| 502 | |
| 503 def brackets_callback(token_class): | |
| 504 def callback(lexer, match, context): | |
| 505 groups = match.groupdict() | |
| 506 opening_chars = groups['delimiter'] | |
| 507 n_chars = len(opening_chars) | |
| 508 adverbs = groups.get('adverbs') | |
| 509 | |
| 510 closer = Perl6Lexer.PERL6_BRACKETS.get(opening_chars[0]) | |
| 511 text = context.text | |
| 512 | |
| 513 if closer is None: # it's not a mirrored character, which means we | |
| 514 # just need to look for the next occurrence | |
| 515 | |
| 516 end_pos = text.find(opening_chars, match.start('delimiter') + n_chars) | |
| 517 else: # we need to look for the corresponding closing character, | |
| 518 # keep nesting in mind | |
| 519 closing_chars = closer * n_chars | |
| 520 nesting_level = 1 | |
| 521 | |
| 522 search_pos = match.start('delimiter') | |
| 523 | |
| 524 while nesting_level > 0: | |
| 525 next_open_pos = text.find(opening_chars, search_pos + n_chars) | |
| 526 next_close_pos = text.find(closing_chars, search_pos + n_chars) | |
| 527 | |
| 528 if next_close_pos == -1: | |
| 529 next_close_pos = len(text) | |
| 530 nesting_level = 0 | |
| 531 elif next_open_pos != -1 and next_open_pos < next_close_pos: | |
| 532 nesting_level += 1 | |
| 533 search_pos = next_open_pos | |
| 534 else: # next_close_pos < next_open_pos | |
| 535 nesting_level -= 1 | |
| 536 search_pos = next_close_pos | |
| 537 | |
| 538 end_pos = next_close_pos | |
| 539 | |
| 540 if end_pos < 0: # if we didn't find a closer, just highlight the | |
| 541 # rest of the text in this class | |
| 542 end_pos = len(text) | |
| 543 | |
| 544 if adverbs is not None and re.search(r':to\b', adverbs): | |
| 545 heredoc_terminator = text[match.start('delimiter') + n_chars:end_pos] | |
| 546 end_heredoc = re.search(r'^\s*' + re.escape(heredoc_terminator) + | |
| 547 r'\s*$', text[end_pos:], re.MULTILINE) | |
| 548 | |
| 549 if end_heredoc: | |
| 550 end_pos += end_heredoc.end() | |
| 551 else: | |
| 552 end_pos = len(text) | |
| 553 | |
| 554 yield match.start(), token_class, text[match.start():end_pos + n_chars] | |
| 555 context.pos = end_pos + n_chars | |
| 556 | |
| 557 return callback | |
| 558 | |
| 559 def opening_brace_callback(lexer, match, context): | |
| 560 stack = context.stack | |
| 561 | |
| 562 yield match.start(), Text, context.text[match.start():match.end()] | |
| 563 context.pos = match.end() | |
| 564 | |
| 565 # if we encounter an opening brace and we're one level | |
| 566 # below a token state, it means we need to increment | |
| 567 # the nesting level for braces so we know later when | |
| 568 # we should return to the token rules. | |
| 569 if len(stack) > 2 and stack[-2] == 'token': | |
| 570 context.perl6_token_nesting_level += 1 | |
| 571 | |
| 572 def closing_brace_callback(lexer, match, context): | |
| 573 stack = context.stack | |
| 574 | |
| 575 yield match.start(), Text, context.text[match.start():match.end()] | |
| 576 context.pos = match.end() | |
| 577 | |
| 578 # if we encounter a free closing brace and we're one level | |
| 579 # below a token state, it means we need to check the nesting | |
| 580 # level to see if we need to return to the token state. | |
| 581 if len(stack) > 2 and stack[-2] == 'token': | |
| 582 context.perl6_token_nesting_level -= 1 | |
| 583 if context.perl6_token_nesting_level == 0: | |
| 584 stack.pop() | |
| 585 | |
| 586 def embedded_perl6_callback(lexer, match, context): | |
| 587 context.perl6_token_nesting_level = 1 | |
| 588 yield match.start(), Text, context.text[match.start():match.end()] | |
| 589 context.pos = match.end() | |
| 590 context.stack.append('root') | |
| 591 | |
| 592 # If you're modifying these rules, be careful if you need to process '{' or '}' | |
| 593 # characters. We have special logic for processing these characters (due to the fact | |
| 594 # that you can nest Perl 6 code in regex blocks), so if you need to process one of | |
| 595 # them, make sure you also process the corresponding one! | |
| 596 tokens = { | |
| 597 'common': [ | |
| 598 (r'#[`|=](?P<delimiter>(?P<first_char>[' + ''.join(PERL6_BRACKETS) + r'])(?P=first_char)*)', | |
| 599 brackets_callback(Comment.Multiline)), | |
| 600 (r'#[^\n]*$', Comment.Single), | |
| 601 (r'^(\s*)=begin\s+(\w+)\b.*?^\1=end\s+\2', Comment.Multiline), | |
| 602 (r'^(\s*)=for.*?\n\s*?\n', Comment.Multiline), | |
| 603 (r'^=.*?\n\s*?\n', Comment.Multiline), | |
| 604 (r'(regex|token|rule)(\s*' + PERL6_IDENTIFIER_RANGE + '+:sym)', | |
| 605 bygroups(Keyword, Name), 'token-sym-brackets'), | |
| 606 (r'(regex|token|rule)(?!' + PERL6_IDENTIFIER_RANGE + r')(\s*' + PERL6_IDENTIFIER_RANGE + '+)?', | |
| 607 bygroups(Keyword, Name), 'pre-token'), | |
| 608 # deal with a special case in the Perl 6 grammar (role q { ... }) | |
| 609 (r'(role)(\s+)(q)(\s*)', bygroups(Keyword, Text, Name, Text)), | |
| 610 (_build_word_match(PERL6_KEYWORDS, PERL6_IDENTIFIER_RANGE), Keyword), | |
| 611 (_build_word_match(PERL6_BUILTIN_CLASSES, PERL6_IDENTIFIER_RANGE, suffix='(?::[UD])?'), | |
| 612 Name.Builtin), | |
| 613 (_build_word_match(PERL6_BUILTINS, PERL6_IDENTIFIER_RANGE), Name.Builtin), | |
| 614 # copied from PerlLexer | |
| 615 (r'[$@%&][.^:?=!~]?' + PERL6_IDENTIFIER_RANGE + '+(?:<<.*?>>|<.*?>|«.*?»)*', | |
| 616 Name.Variable), | |
| 617 (r'\$[!/](?:<<.*?>>|<.*?>|«.*?»)*', Name.Variable.Global), | |
| 618 (r'::\?\w+', Name.Variable.Global), | |
| 619 (r'[$@%&]\*' + PERL6_IDENTIFIER_RANGE + '+(?:<<.*?>>|<.*?>|«.*?»)*', | |
| 620 Name.Variable.Global), | |
| 621 (r'\$(?:<.*?>)+', Name.Variable), | |
| 622 (r'(?:q|qq|Q)[a-zA-Z]?\s*(?P<adverbs>:[\w\s:]+)?\s*(?P<delimiter>(?P<first_char>[^0-9a-zA-Z:\s])' | |
| 623 r'(?P=first_char)*)', brackets_callback(String)), | |
| 624 # copied from PerlLexer | |
| 625 (r'0_?[0-7]+(_[0-7]+)*', Number.Oct), | |
| 626 (r'0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)*', Number.Hex), | |
| 627 (r'0b[01]+(_[01]+)*', Number.Bin), | |
| 628 (r'(?i)(\d*(_\d*)*\.\d+(_\d*)*|\d+(_\d*)*\.\d+(_\d*)*)(e[+-]?\d+)?', | |
| 629 Number.Float), | |
| 630 (r'(?i)\d+(_\d*)*e[+-]?\d+(_\d*)*', Number.Float), | |
| 631 (r'\d+(_\d+)*', Number.Integer), | |
| 632 (r'(?<=~~)\s*/(?:\\\\|\\/|.)*?/', String.Regex), | |
| 633 (r'(?<=[=(,])\s*/(?:\\\\|\\/|.)*?/', String.Regex), | |
| 634 (r'm\w+(?=\()', Name), | |
| 635 (r'(?:m|ms|rx)\s*(?P<adverbs>:[\w\s:]+)?\s*(?P<delimiter>(?P<first_char>[^\w:\s])' | |
| 636 r'(?P=first_char)*)', brackets_callback(String.Regex)), | |
| 637 (r'(?:s|ss|tr)\s*(?::[\w\s:]+)?\s*/(?:\\\\|\\/|.)*?/(?:\\\\|\\/|.)*?/', | |
| 638 String.Regex), | |
| 639 (r'<[^\s=].*?\S>', String), | |
| 640 (_build_word_match(PERL6_OPERATORS), Operator), | |
| 641 (r'\w' + PERL6_IDENTIFIER_RANGE + '*', Name), | |
| 642 (r"'(\\\\|\\[^\\]|[^'\\])*'", String), | |
| 643 (r'"(\\\\|\\[^\\]|[^"\\])*"', String), | |
| 644 ], | |
| 645 'root': [ | |
| 646 include('common'), | |
| 647 (r'\{', opening_brace_callback), | |
| 648 (r'\}', closing_brace_callback), | |
| 649 (r'.+?', Text), | |
| 650 ], | |
| 651 'pre-token': [ | |
| 652 include('common'), | |
| 653 (r'\{', Text, ('#pop', 'token')), | |
| 654 (r'.+?', Text), | |
| 655 ], | |
| 656 'token-sym-brackets': [ | |
| 657 (r'(?P<delimiter>(?P<first_char>[' + ''.join(PERL6_BRACKETS) + '])(?P=first_char)*)', | |
| 658 brackets_callback(Name), ('#pop', 'pre-token')), | |
| 659 default(('#pop', 'pre-token')), | |
| 660 ], | |
| 661 'token': [ | |
| 662 (r'\}', Text, '#pop'), | |
| 663 (r'(?<=:)(?:my|our|state|constant|temp|let).*?;', using(this)), | |
| 664 # make sure that quotes in character classes aren't treated as strings | |
| 665 (r'<(?:[-!?+.]\s*)?\[.*?\]>', String.Regex), | |
| 666 # make sure that '#' characters in quotes aren't treated as comments | |
| 667 (r"(?<!\\)'(\\\\|\\[^\\]|[^'\\])*'", String.Regex), | |
| 668 (r'(?<!\\)"(\\\\|\\[^\\]|[^"\\])*"', String.Regex), | |
| 669 (r'#.*?$', Comment.Single), | |
| 670 (r'\{', embedded_perl6_callback), | |
| 671 ('.+?', String.Regex), | |
| 672 ], | |
| 673 } | |
| 674 | |
| 675 def analyse_text(text): | |
| 676 def strip_pod(lines): | |
| 677 in_pod = False | |
| 678 stripped_lines = [] | |
| 679 | |
| 680 for line in lines: | |
| 681 if re.match(r'^=(?:end|cut)', line): | |
| 682 in_pod = False | |
| 683 elif re.match(r'^=\w+', line): | |
| 684 in_pod = True | |
| 685 elif not in_pod: | |
| 686 stripped_lines.append(line) | |
| 687 | |
| 688 return stripped_lines | |
| 689 | |
| 690 # XXX handle block comments | |
| 691 lines = text.splitlines() | |
| 692 lines = strip_pod(lines) | |
| 693 text = '\n'.join(lines) | |
| 694 | |
| 695 if shebang_matches(text, r'perl6|rakudo|niecza|pugs'): | |
| 696 return True | |
| 697 | |
| 698 saw_perl_decl = False | |
| 699 rating = False | |
| 700 | |
| 701 # check for my/our/has declarations | |
| 702 if re.search(r"(?:my|our|has)\s+(?:" + Perl6Lexer.PERL6_IDENTIFIER_RANGE + | |
| 703 r"+\s+)?[$@%&(]", text): | |
| 704 rating = 0.8 | |
| 705 saw_perl_decl = True | |
| 706 | |
| 707 for line in lines: | |
| 708 line = re.sub('#.*', '', line) | |
| 709 if re.match(r'^\s*$', line): | |
| 710 continue | |
| 711 | |
| 712 # match v6; use v6; use v6.0; use v6.0.0; | |
| 713 if re.match(r'^\s*(?:use\s+)?v6(?:\.\d(?:\.\d)?)?;', line): | |
| 714 return True | |
| 715 # match class, module, role, enum, grammar declarations | |
| 716 class_decl = re.match(r'^\s*(?:(?P<scope>my|our)\s+)?(?:module|class|role|enum|grammar)', line) | |
| 717 if class_decl: | |
| 718 if saw_perl_decl or class_decl.group('scope') is not None: | |
| 719 return True | |
| 720 rating = 0.05 | |
| 721 continue | |
| 722 break | |
| 723 | |
| 724 if ':=' in text: | |
| 725 # Same logic as above for PerlLexer | |
| 726 rating /= 2 | |
| 727 | |
| 728 return rating | |
| 729 | |
| 730 def __init__(self, **options): | |
| 731 super().__init__(**options) | |
| 732 self.encoding = options.get('encoding', 'utf-8') |
