diff MoinMoin/support/pygments/lexers/php.py @ 6097:815981fad7fd

upgrade pygments from 1.6 to 2.1.3
author Thomas Waldmann <tw AT waldmann-edv DOT de>
date Mon, 05 Sep 2016 23:55:33 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MoinMoin/support/pygments/lexers/php.py	Mon Sep 05 23:55:33 2016 +0200
@@ -0,0 +1,245 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.php
+    ~~~~~~~~~~~~~~~~~~~
+
+    Lexers for PHP and related languages.
+
+    :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import RegexLexer, include, bygroups, default, using, this
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Other
+from pygments.util import get_bool_opt, get_list_opt, iteritems
+
+__all__ = ['ZephirLexer', 'PhpLexer']
+
+
+class ZephirLexer(RegexLexer):
+    """
+    For `Zephir language <http://zephir-lang.com/>`_ source code.
+
+    Zephir is a compiled high level language aimed
+    to the creation of C-extensions for PHP.
+
+    .. versionadded:: 2.0
+    """
+
+    name = 'Zephir'
+    aliases = ['zephir']
+    filenames = ['*.zep']
+
+    zephir_keywords = ['fetch', 'echo', 'isset', 'empty']
+    zephir_type = ['bit', 'bits', 'string']
+
+    flags = re.DOTALL | re.MULTILINE
+
+    tokens = {
+        'commentsandwhitespace': [
+            (r'\s+', Text),
+            (r'//.*?\n', Comment.Single),
+            (r'/\*.*?\*/', Comment.Multiline)
+        ],
+        'slashstartsregex': [
+            include('commentsandwhitespace'),
+            (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
+             r'([gim]+\b|\B)', String.Regex, '#pop'),
+            default('#pop')
+        ],
+        'badregex': [
+            (r'\n', Text, '#pop')
+        ],
+        'root': [
+            (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
+            include('commentsandwhitespace'),
+            (r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
+             r'(<<|>>>?|==?|!=?|->|[-<>+*%&|^/])=?', Operator, 'slashstartsregex'),
+            (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
+            (r'[})\].]', Punctuation),
+            (r'(for|in|while|do|break|return|continue|switch|case|default|if|else|loop|'
+             r'require|inline|throw|try|catch|finally|new|delete|typeof|instanceof|void|'
+             r'namespace|use|extends|this|fetch|isset|unset|echo|fetch|likely|unlikely|'
+             r'empty)\b', Keyword, 'slashstartsregex'),
+            (r'(var|let|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
+            (r'(abstract|boolean|bool|char|class|const|double|enum|export|extends|final|'
+             r'native|goto|implements|import|int|string|interface|long|ulong|char|uchar|'
+             r'float|unsigned|private|protected|public|short|static|self|throws|reverse|'
+             r'transient|volatile)\b', Keyword.Reserved),
+            (r'(true|false|null|undefined)\b', Keyword.Constant),
+            (r'(Array|Boolean|Date|_REQUEST|_COOKIE|_SESSION|'
+             r'_GET|_POST|_SERVER|this|stdClass|range|count|iterator|'
+             r'window)\b', Name.Builtin),
+            (r'[$a-zA-Z_][\w\\]*', Name.Other),
+            (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
+            (r'0x[0-9a-fA-F]+', Number.Hex),
+            (r'[0-9]+', Number.Integer),
+            (r'"(\\\\|\\"|[^"])*"', String.Double),
+            (r"'(\\\\|\\'|[^'])*'", String.Single),
+        ]
+    }
+
+
+class PhpLexer(RegexLexer):
+    """
+    For `PHP <http://www.php.net/>`_ source code.
+    For PHP embedded in HTML, use the `HtmlPhpLexer`.
+
+    Additional options accepted:
+
+    `startinline`
+        If given and ``True`` the lexer starts highlighting with
+        php code (i.e.: no starting ``<?php`` required).  The default
+        is ``False``.
+    `funcnamehighlighting`
+        If given and ``True``, highlight builtin function names
+        (default: ``True``).
+    `disabledmodules`
+        If given, must be a list of module names whose function names
+        should not be highlighted. By default all modules are highlighted
+        except the special ``'unknown'`` module that includes functions
+        that are known to php but are undocumented.
+
+        To get a list of allowed modules have a look into the
+        `_php_builtins` module:
+
+        .. sourcecode:: pycon
+
+            >>> from pygments.lexers._php_builtins import MODULES
+            >>> MODULES.keys()
+            ['PHP Options/Info', 'Zip', 'dba', ...]
+
+        In fact the names of those modules match the module names from
+        the php documentation.
+    """
+
+    name = 'PHP'
+    aliases = ['php', 'php3', 'php4', 'php5']
+    filenames = ['*.php', '*.php[345]', '*.inc']
+    mimetypes = ['text/x-php']
+
+    # Note that a backslash is included in the following two patterns
+    # PHP uses a backslash as a namespace separator
+    _ident_char = r'[\\\w]|[^\x00-\x7f]'
+    _ident_begin = r'(?:[\\_a-z]|[^\x00-\x7f])'
+    _ident_end = r'(?:' + _ident_char + ')*'
+    _ident_inner = _ident_begin + _ident_end
+
+    flags = re.IGNORECASE | re.DOTALL | re.MULTILINE
+    tokens = {
+        'root': [
+            (r'<\?(php)?', Comment.Preproc, 'php'),
+            (r'[^<]+', Other),
+            (r'<', Other)
+        ],
+        'php': [
+            (r'\?>', Comment.Preproc, '#pop'),
+            (r'<<<([\'"]?)(' + _ident_inner + r')\1\n.*?\n\s*\2;?\n', String),
+            (r'\s+', Text),
+            (r'#.*?\n', Comment.Single),
+            (r'//.*?\n', Comment.Single),
+            # put the empty comment here, it is otherwise seen as
+            # the start of a docstring
+            (r'/\*\*/', Comment.Multiline),
+            (r'/\*\*.*?\*/', String.Doc),
+            (r'/\*.*?\*/', Comment.Multiline),
+            (r'(->|::)(\s*)(' + _ident_inner + ')',
+             bygroups(Operator, Text, Name.Attribute)),
+            (r'[~!%^&*+=|:.<>/@-]+', Operator),
+            (r'\?', Operator),  # don't add to the charclass above!
+            (r'[\[\]{}();,]+', Punctuation),
+            (r'(class)(\s+)', bygroups(Keyword, Text), 'classname'),
+            (r'(function)(\s*)(?=\()', bygroups(Keyword, Text)),
+            (r'(function)(\s+)(&?)(\s*)',
+             bygroups(Keyword, Text, Operator, Text), 'functionname'),
+            (r'(const)(\s+)(' + _ident_inner + ')',
+             bygroups(Keyword, Text, Name.Constant)),
+            (r'(and|E_PARSE|old_function|E_ERROR|or|as|E_WARNING|parent|'
+             r'eval|PHP_OS|break|exit|case|extends|PHP_VERSION|cfunction|'
+             r'FALSE|print|for|require|continue|foreach|require_once|'
+             r'declare|return|default|static|do|switch|die|stdClass|'
+             r'echo|else|TRUE|elseif|var|empty|if|xor|enddeclare|include|'
+             r'virtual|endfor|include_once|while|endforeach|global|__FILE__|'
+             r'endif|list|__LINE__|endswitch|new|__sleep|endwhile|not|'
+             r'array|__wakeup|E_ALL|NULL|final|php_user_filter|interface|'
+             r'implements|public|private|protected|abstract|clone|try|'
+             r'catch|throw|this|use|namespace|trait|yield|'
+             r'finally)\b', Keyword),
+            (r'(true|false|null)\b', Keyword.Constant),
+            (r'\$\{\$+' + _ident_inner + '\}', Name.Variable),
+            (r'\$+' + _ident_inner, Name.Variable),
+            (_ident_inner, Name.Other),
+            (r'(\d+\.\d*|\d*\.\d+)(e[+-]?[0-9]+)?', Number.Float),
+            (r'\d+e[+-]?[0-9]+', Number.Float),
+            (r'0[0-7]+', Number.Oct),
+            (r'0x[a-f0-9]+', Number.Hex),
+            (r'\d+', Number.Integer),
+            (r'0b[01]+', Number.Bin),
+            (r"'([^'\\]*(?:\\.[^'\\]*)*)'", String.Single),
+            (r'`([^`\\]*(?:\\.[^`\\]*)*)`', String.Backtick),
+            (r'"', String.Double, 'string'),
+        ],
+        'classname': [
+            (_ident_inner, Name.Class, '#pop')
+        ],
+        'functionname': [
+            (_ident_inner, Name.Function, '#pop')
+        ],
+        'string': [
+            (r'"', String.Double, '#pop'),
+            (r'[^{$"\\]+', String.Double),
+            (r'\\([nrt"$\\]|[0-7]{1,3}|x[0-9a-f]{1,2})', String.Escape),
+            (r'\$' + _ident_inner + '(\[\S+?\]|->' + _ident_inner + ')?',
+             String.Interpol),
+            (r'(\{\$\{)(.*?)(\}\})',
+             bygroups(String.Interpol, using(this, _startinline=True),
+                      String.Interpol)),
+            (r'(\{)(\$.*?)(\})',
+             bygroups(String.Interpol, using(this, _startinline=True),
+                      String.Interpol)),
+            (r'(\$\{)(\S+)(\})',
+             bygroups(String.Interpol, Name.Variable, String.Interpol)),
+            (r'[${\\]+', String.Double)
+        ],
+    }
+
+    def __init__(self, **options):
+        self.funcnamehighlighting = get_bool_opt(
+            options, 'funcnamehighlighting', True)
+        self.disabledmodules = get_list_opt(
+            options, 'disabledmodules', ['unknown'])
+        self.startinline = get_bool_opt(options, 'startinline', False)
+
+        # private option argument for the lexer itself
+        if '_startinline' in options:
+            self.startinline = options.pop('_startinline')
+
+        # collect activated functions in a set
+        self._functions = set()
+        if self.funcnamehighlighting:
+            from pygments.lexers._php_builtins import MODULES
+            for key, value in iteritems(MODULES):
+                if key not in self.disabledmodules:
+                    self._functions.update(value)
+        RegexLexer.__init__(self, **options)
+
+    def get_tokens_unprocessed(self, text):
+        stack = ['root']
+        if self.startinline:
+            stack.append('php')
+        for index, token, value in \
+                RegexLexer.get_tokens_unprocessed(self, text, stack):
+            if token is Name.Other:
+                if value in self._functions:
+                    yield index, Name.Builtin, value
+                    continue
+            yield index, token, value
+
+    def analyse_text(text):
+        rv = 0.0
+        if re.search(r'<\?(?!xml)', text):
+            rv += 0.3
+        return rv