From 5244d952da00984d226c334b4c1a7d5090b7cda5 Mon Sep 17 00:00:00 2001 From: Matias Linares Date: Sun, 6 Jan 2019 21:11:51 -0300 Subject: initial commit --- .gitignore | 10 + .travis.yml | 12 ++ Changes | 4 + LICENSE | 201 ++++++++++++++++++ META6.json | 23 ++ README.md | 0 dist.ini | 8 + lib/Pygments.pm6 | 125 +++++++++++ resources/perl.py | 620 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ t/01-basic.t | 7 + 10 files changed, 1010 insertions(+) create mode 100644 .gitignore create mode 100644 .travis.yml create mode 100644 Changes create mode 100644 LICENSE create mode 100644 META6.json create mode 100644 README.md create mode 100644 dist.ini create mode 100644 lib/Pygments.pm6 create mode 100644 resources/perl.py create mode 100644 t/01-basic.t diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..7431818 --- /dev/null +++ b/.gitignore @@ -0,0 +1,10 @@ +/blib/ +/src/*.o +/src/Makefile +/.panda-work +/resources/*.so +/resources/*.dylib +/resources/*.pyc +/resources/__pyc__/ +.precomp/ +/Pygments-* diff --git a/.travis.yml b/.travis.yml new file mode 100644 index 0000000..e74fe5e --- /dev/null +++ b/.travis.yml @@ -0,0 +1,12 @@ +os: + - linux + - osx +language: perl6 +perl6: + - latest +install: + - rakudobrew build zef + - zef install --deps-only --/test . +script: + - PERL6LIB=$PWD/lib prove -e perl6 -vr t/ +sudo: false diff --git a/Changes b/Changes new file mode 100644 index 0000000..b927ba7 --- /dev/null +++ b/Changes @@ -0,0 +1,4 @@ +Revision history for Pygments + +{{$NEXT}} + - Initial version diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..32efefc --- /dev/null +++ b/LICENSE @@ -0,0 +1,201 @@ + The Artistic License 2.0 + + Copyright (c) 2000-2006, The Perl Foundation. + + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +Preamble + +This license establishes the terms under which a given free software +Package may be copied, modified, distributed, and/or redistributed. +The intent is that the Copyright Holder maintains some artistic +control over the development of that Package while still keeping the +Package available as open source and free software. + +You are always permitted to make arrangements wholly outside of this +license directly with the Copyright Holder of a given Package. If the +terms of this license do not permit the full use that you propose to +make of the Package, you should contact the Copyright Holder and seek +a different licensing arrangement. + +Definitions + + "Copyright Holder" means the individual(s) or organization(s) + named in the copyright notice for the entire Package. + + "Contributor" means any party that has contributed code or other + material to the Package, in accordance with the Copyright Holder's + procedures. + + "You" and "your" means any person who would like to copy, + distribute, or modify the Package. + + "Package" means the collection of files distributed by the + Copyright Holder, and derivatives of that collection and/or of + those files. 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By using, +modifying or distributing the Package, you accept this license. Do not +use, modify, or distribute the Package, if you do not accept this +license. + +(11) If your Modified Version has been derived from a Modified +Version made by someone other than you, you are nevertheless required +to ensure that your Modified Version complies with the requirements of +this license. + +(12) This license does not grant you the right to use any trademark, +service mark, tradename, or logo of the Copyright Holder. + +(13) This license includes the non-exclusive, worldwide, +free-of-charge patent license to make, have made, use, offer to sell, +sell, import and otherwise transfer the Package with respect to any +patent claims licensable by the Copyright Holder that are necessarily +infringed by the Package. If you institute patent litigation +(including a cross-claim or counterclaim) against any party alleging +that the Package constitutes direct or contributory patent +infringement, then this Artistic License to you shall terminate on the +date that such litigation is filed. + +(14) Disclaimer of Warranty: +THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS +IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. THE IMPLIED +WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR +NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY YOUR LOCAL +LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL +BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL +DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/META6.json b/META6.json new file mode 100644 index 0000000..abf75d2 --- /dev/null +++ b/META6.json @@ -0,0 +1,23 @@ +{ + "authors" : [ + "Matias Linares" + ], + "build-depends" : [ ], + "depends" : [ + "Inline::Python" + ], + "description" : "Wrapper to python pygments library.", + "license" : "Artistic-2.0", + "name" : "Pygments", + "perl" : "6.c", + "provides" : { + "Pygments" : "lib/Pygments.pm6" + }, + "resources" : [ + "perl.py" + ], + "source-url" : "", + "tags" : [ ], + "test-depends" : [ ], + "version" : "0.0.1" +} diff --git a/README.md b/README.md new file mode 100644 index 0000000..e69de29 diff --git a/dist.ini b/dist.ini new file mode 100644 index 0000000..aa5c3d5 --- /dev/null +++ b/dist.ini @@ -0,0 +1,8 @@ +name = Pygments + +[ReadmeFromPod] +; enable = false +filename = lib/Pygments.pm6 + +[PruneFiles] +; match = ^ 'xt/' diff --git a/lib/Pygments.pm6 b/lib/Pygments.pm6 new file mode 100644 index 0000000..0244631 --- /dev/null +++ b/lib/Pygments.pm6 @@ -0,0 +1,125 @@ +use v6.d; +unit class Pygments:ver<0.0.1>; + +use Inline::Python; + +my Inline::Python $py; + +INIT { + $py .= new; + $py.run: q:to/SETUP/; + from pygments import highlight + from pygments.lexers import get_lexer_by_name, guess_lexer + from pygments.formatters import get_formatter_by_name + from pygments.styles import STYLE_MAP, get_style_by_name + SETUP + + $py.run: %?RESOURCES.slurp; +} + +method call($name, |c) { + $py.call('__main__', $name, |c) +} + +method highlight(Str $code, $lexer = Any, :$formatter = 'html', *%options) is export { + my $l = do given $lexer { + when 'perl6' { self.call('Perl6Lexer') } + when *.defined { self.call('get_lexer_by_name', $lexer) } + default { self.call('guess_lexer', $code) } + }; + + my $f = $.formatter($formatter, |%options); + $py.call('pygments', 'highlight', $code, $l, $f) +} + +method formatter($name, *%options) is export { + self.call('get_formatter_by_name', $name, |%options) +} + +method style(Str $name = 'default') { + $py.call('pygments.styles', 'get_style_by_name', $name) +} + +method styles { + $py.run('list(STYLE_MAP.keys())', :eval).map: *.decode +} + +=begin pod + +=head1 NAME + +Pygments - Wrapper to python pygments library. + +=head1 SYNOPSIS + + use Pygments; + + my $code = q:to/ENDCODE/; + grammar Parser { + rule TOP { I } + token love { '♥' | love } + token lang { < Perl Rust Go Python Ruby > } + } + + say Parser.parse: 'I ♥ Perl'; + # OUTPUT: ｢I ♥ Perl｣ love => ｢♥｣ lang => ｢Perl｣ + + say Parser.parse: 'I love Rust'; + # OUTPUT: ｢I love Rust｣ love => ｢love｣ lang => ｢Rust｣ + ENDCODE + + # Get a theme. + my $css = Pygments.css('manni'); + + # Format a full html with line numbers and theme `manni` + my $formatted-code = Pygments.highlight( + $code, "perl6", + :linenos(True), + :style($css), + :full(True) + ); + + say $formatted-code; + +=head1 DESCRIPTION + +Pygments is a wrapper for the L python library. + +=head1 METHODS + +There's no need to instantiate the C class. All the methods can be called +directly. + +=head2 highlight + +=for code +method highlight(Str $code, $lexer, :$formatter = 'html', *%options) + +Highlight the C<$code> with the lexer passed by paramenter. If no lexer is provided, +pygments will try to guess the lexer that will use. + +=head2 style + +=for code +method style(Str $name = 'default') + +Get a single style with name C<$name> + +=head2 styles + +=for code +method styles + +Return a list of all the available themes. + +=head1 AUTHOR + +Matias Linares + +=head1 COPYRIGHT AND LICENSE + +Copyright 2019 Matias Linares + +This library is free software; you can redistribute it and/or modify it under the Artistic License 2.0. + +=end pod diff --git a/resources/perl.py b/resources/perl.py new file mode 100644 index 0000000..27e3cc7 --- /dev/null +++ b/resources/perl.py @@ -0,0 +1,620 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.perl + ~~~~~~~~~~~~~~~~~~~~ + + Lexers for Perl and related languages. + + :copyright: Copyright 2006-2017 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 `_ 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 `_ 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'(? 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(?P[' + ''.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:[\w\s:]+)?\s*(?P(?P[^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:[\w\s:]+)?\s*(?P(?P[^\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(?P[' + ''.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"(?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') diff --git a/t/01-basic.t b/t/01-basic.t new file mode 100644 index 0000000..91781c8 --- /dev/null +++ b/t/01-basic.t @@ -0,0 +1,7 @@ +use v6.c; +use Test; +use Pygments; + +pass "replace me"; + +done-testing; -- cgit v1.2.3-70-g09d2