268 lines
10 KiB
Python
268 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pygments.lexers.php
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~~~~~~~~~~~~~~~~~~~
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Lexers for PHP and related languages.
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:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, include, bygroups, default, using, \
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this, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Other
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from pygments.util import get_bool_opt, get_list_opt, iteritems
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__all__ = ['ZephirLexer', 'PhpLexer']
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class ZephirLexer(RegexLexer):
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"""
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For `Zephir language <http://zephir-lang.com/>`_ source code.
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Zephir is a compiled high level language aimed
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to the creation of C-extensions for PHP.
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.. versionadded:: 2.0
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"""
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name = 'Zephir'
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aliases = ['zephir']
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filenames = ['*.zep']
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zephir_keywords = ['fetch', 'echo', 'isset', 'empty']
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zephir_type = ['bit', 'bits', 'string']
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flags = re.DOTALL | re.MULTILINE
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tokens = {
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'commentsandwhitespace': [
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(r'\s+', Text),
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(r'//.*?\n', Comment.Single),
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(r'/\*.*?\*/', Comment.Multiline)
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],
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'slashstartsregex': [
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include('commentsandwhitespace'),
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(r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
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r'([gim]+\b|\B)', String.Regex, '#pop'),
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default('#pop')
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],
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'badregex': [
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(r'\n', Text, '#pop')
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],
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'root': [
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(r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
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include('commentsandwhitespace'),
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(r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
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r'(<<|>>>?|==?|!=?|->|[-<>+*%&|^/])=?', Operator, 'slashstartsregex'),
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(r'[{(\[;,]', Punctuation, 'slashstartsregex'),
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(r'[})\].]', Punctuation),
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(r'(for|in|while|do|break|return|continue|switch|case|default|if|else|loop|'
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r'require|inline|throw|try|catch|finally|new|delete|typeof|instanceof|void|'
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r'namespace|use|extends|this|fetch|isset|unset|echo|fetch|likely|unlikely|'
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r'empty)\b', Keyword, 'slashstartsregex'),
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(r'(var|let|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
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(r'(abstract|boolean|bool|char|class|const|double|enum|export|extends|final|'
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r'native|goto|implements|import|int|string|interface|long|ulong|char|uchar|'
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r'float|unsigned|private|protected|public|short|static|self|throws|reverse|'
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r'transient|volatile)\b', Keyword.Reserved),
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(r'(true|false|null|undefined)\b', Keyword.Constant),
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(r'(Array|Boolean|Date|_REQUEST|_COOKIE|_SESSION|'
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r'_GET|_POST|_SERVER|this|stdClass|range|count|iterator|'
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r'window)\b', Name.Builtin),
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(r'[$a-zA-Z_][\w\\]*', Name.Other),
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(r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
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(r'0x[0-9a-fA-F]+', Number.Hex),
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(r'[0-9]+', Number.Integer),
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(r'"(\\\\|\\"|[^"])*"', String.Double),
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(r"'(\\\\|\\'|[^'])*'", String.Single),
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]
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}
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class PhpLexer(RegexLexer):
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"""
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For `PHP <http://www.php.net/>`_ source code.
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For PHP embedded in HTML, use the `HtmlPhpLexer`.
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Additional options accepted:
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`startinline`
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If given and ``True`` the lexer starts highlighting with
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php code (i.e.: no starting ``<?php`` required). The default
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is ``False``.
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`funcnamehighlighting`
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If given and ``True``, highlight builtin function names
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(default: ``True``).
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`disabledmodules`
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If given, must be a list of module names whose function names
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should not be highlighted. By default all modules are highlighted
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except the special ``'unknown'`` module that includes functions
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that are known to php but are undocumented.
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To get a list of allowed modules have a look into the
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`_php_builtins` module:
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.. sourcecode:: pycon
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>>> from pygments.lexers._php_builtins import MODULES
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>>> MODULES.keys()
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['PHP Options/Info', 'Zip', 'dba', ...]
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In fact the names of those modules match the module names from
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the php documentation.
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"""
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name = 'PHP'
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aliases = ['php', 'php3', 'php4', 'php5']
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filenames = ['*.php', '*.php[345]', '*.inc']
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mimetypes = ['text/x-php']
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# Note that a backslash is included in the following two patterns
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# PHP uses a backslash as a namespace separator
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_ident_char = r'[\\\w]|[^\x00-\x7f]'
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_ident_begin = r'(?:[\\_a-z]|[^\x00-\x7f])'
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_ident_end = r'(?:' + _ident_char + ')*'
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_ident_inner = _ident_begin + _ident_end
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flags = re.IGNORECASE | re.DOTALL | re.MULTILINE
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tokens = {
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'root': [
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(r'<\?(php)?', Comment.Preproc, 'php'),
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(r'[^<]+', Other),
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(r'<', Other)
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],
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'php': [
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(r'\?>', Comment.Preproc, '#pop'),
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(r'(<<<)([\'"]?)(' + _ident_inner + r')(\2\n.*?\n\s*)(\3)(;?)(\n)',
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bygroups(String, String, String.Delimiter, String, String.Delimiter,
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Punctuation, Text)),
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(r'\s+', Text),
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(r'#.*?\n', Comment.Single),
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(r'//.*?\n', Comment.Single),
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# put the empty comment here, it is otherwise seen as
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# the start of a docstring
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(r'/\*\*/', Comment.Multiline),
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(r'/\*\*.*?\*/', String.Doc),
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(r'/\*.*?\*/', Comment.Multiline),
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(r'(->|::)(\s*)(' + _ident_inner + ')',
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bygroups(Operator, Text, Name.Attribute)),
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(r'[~!%^&*+=|:.<>/@-]+', Operator),
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(r'\?', Operator), # don't add to the charclass above!
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(r'[\[\]{}();,]+', Punctuation),
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(r'(class)(\s+)', bygroups(Keyword, Text), 'classname'),
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(r'(function)(\s*)(?=\()', bygroups(Keyword, Text)),
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(r'(function)(\s+)(&?)(\s*)',
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bygroups(Keyword, Text, Operator, Text), 'functionname'),
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(r'(const)(\s+)(' + _ident_inner + ')',
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bygroups(Keyword, Text, Name.Constant)),
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(r'(and|E_PARSE|old_function|E_ERROR|or|as|E_WARNING|parent|'
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r'eval|PHP_OS|break|exit|case|extends|PHP_VERSION|cfunction|'
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r'FALSE|print|for|require|continue|foreach|require_once|'
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r'declare|return|default|static|do|switch|die|stdClass|'
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r'echo|else|TRUE|elseif|var|empty|if|xor|enddeclare|include|'
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r'virtual|endfor|include_once|while|endforeach|global|'
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r'endif|list|endswitch|new|endwhile|not|'
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r'array|E_ALL|NULL|final|php_user_filter|interface|'
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r'implements|public|private|protected|abstract|clone|try|'
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r'catch|throw|this|use|namespace|trait|yield|'
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r'finally)\b', Keyword),
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(r'(true|false|null)\b', Keyword.Constant),
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include('magicconstants'),
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(r'\$\{\$+' + _ident_inner + '\}', Name.Variable),
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(r'\$+' + _ident_inner, Name.Variable),
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(_ident_inner, Name.Other),
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(r'(\d+\.\d*|\d*\.\d+)(e[+-]?[0-9]+)?', Number.Float),
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(r'\d+e[+-]?[0-9]+', Number.Float),
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(r'0[0-7]+', Number.Oct),
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(r'0x[a-f0-9]+', Number.Hex),
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(r'\d+', Number.Integer),
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(r'0b[01]+', Number.Bin),
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(r"'([^'\\]*(?:\\.[^'\\]*)*)'", String.Single),
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(r'`([^`\\]*(?:\\.[^`\\]*)*)`', String.Backtick),
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(r'"', String.Double, 'string'),
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],
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'magicfuncs': [
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# source: http://php.net/manual/en/language.oop5.magic.php
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(words((
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'__construct', '__destruct', '__call', '__callStatic', '__get', '__set',
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'__isset', '__unset', '__sleep', '__wakeup', '__toString', '__invoke',
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'__set_state', '__clone', '__debugInfo',), suffix=r'\b'),
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Name.Function.Magic),
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],
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'magicconstants': [
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# source: http://php.net/manual/en/language.constants.predefined.php
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(words((
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'__LINE__', '__FILE__', '__DIR__', '__FUNCTION__', '__CLASS__',
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'__TRAIT__', '__METHOD__', '__NAMESPACE__',),
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suffix=r'\b'),
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Name.Constant),
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],
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'classname': [
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(_ident_inner, Name.Class, '#pop')
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],
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'functionname': [
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include('magicfuncs'),
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(_ident_inner, Name.Function, '#pop'),
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default('#pop')
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],
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'string': [
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(r'"', String.Double, '#pop'),
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(r'[^{$"\\]+', String.Double),
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(r'\\([nrt"$\\]|[0-7]{1,3}|x[0-9a-f]{1,2})', String.Escape),
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(r'\$' + _ident_inner + '(\[\S+?\]|->' + _ident_inner + ')?',
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String.Interpol),
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(r'(\{\$\{)(.*?)(\}\})',
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bygroups(String.Interpol, using(this, _startinline=True),
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String.Interpol)),
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(r'(\{)(\$.*?)(\})',
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bygroups(String.Interpol, using(this, _startinline=True),
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String.Interpol)),
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(r'(\$\{)(\S+)(\})',
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bygroups(String.Interpol, Name.Variable, String.Interpol)),
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(r'[${\\]', String.Double)
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],
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}
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def __init__(self, **options):
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self.funcnamehighlighting = get_bool_opt(
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options, 'funcnamehighlighting', True)
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self.disabledmodules = get_list_opt(
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options, 'disabledmodules', ['unknown'])
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self.startinline = get_bool_opt(options, 'startinline', False)
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# private option argument for the lexer itself
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if '_startinline' in options:
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self.startinline = options.pop('_startinline')
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# collect activated functions in a set
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self._functions = set()
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if self.funcnamehighlighting:
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from pygments.lexers._php_builtins import MODULES
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for key, value in iteritems(MODULES):
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if key not in self.disabledmodules:
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self._functions.update(value)
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RegexLexer.__init__(self, **options)
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def get_tokens_unprocessed(self, text):
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stack = ['root']
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if self.startinline:
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stack.append('php')
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for index, token, value in \
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RegexLexer.get_tokens_unprocessed(self, text, stack):
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if token is Name.Other:
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if value in self._functions:
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yield index, Name.Builtin, value
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continue
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yield index, token, value
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def analyse_text(text):
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rv = 0.0
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if re.search(r'<\?(?!xml)', text):
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rv += 0.3
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return rv
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