488 lines
21 KiB
Python
488 lines
21 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pygments.lexers.objective
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for Objective-C family languages.
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:copyright: Copyright 2006-2014 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, using, this, words, \
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inherit, default
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from pygments.token import Text, Keyword, Name, String, Operator, \
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Number, Punctuation, Literal, Comment
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from pygments.lexers.c_cpp import CLexer, CppLexer
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__all__ = ['ObjectiveCLexer', 'ObjectiveCppLexer', 'LogosLexer', 'SwiftLexer']
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def objective(baselexer):
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"""
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Generate a subclass of baselexer that accepts the Objective-C syntax
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extensions.
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"""
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# Have to be careful not to accidentally match JavaDoc/Doxygen syntax here,
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# since that's quite common in ordinary C/C++ files. It's OK to match
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# JavaDoc/Doxygen keywords that only apply to Objective-C, mind.
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#
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# The upshot of this is that we CANNOT match @class or @interface
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_oc_keywords = re.compile(r'@(?:end|implementation|protocol)')
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# Matches [ <ws>? identifier <ws> ( identifier <ws>? ] | identifier? : )
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# (note the identifier is *optional* when there is a ':'!)
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_oc_message = re.compile(r'\[\s*[a-zA-Z_]\w*\s+'
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r'(?:[a-zA-Z_]\w*\s*\]|'
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r'(?:[a-zA-Z_]\w*)?:)')
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class GeneratedObjectiveCVariant(baselexer):
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"""
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Implements Objective-C syntax on top of an existing C family lexer.
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"""
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tokens = {
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'statements': [
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(r'@"', String, 'string'),
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(r'@(YES|NO)', Number),
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(r"@'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'", String.Char),
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(r'@(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?', Number.Float),
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(r'@(\d+\.\d*|\.\d+|\d+[fF])[fF]?', Number.Float),
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(r'@0x[0-9a-fA-F]+[Ll]?', Number.Hex),
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(r'@0[0-7]+[Ll]?', Number.Oct),
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(r'@\d+[Ll]?', Number.Integer),
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(r'@\(', Literal, 'literal_number'),
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(r'@\[', Literal, 'literal_array'),
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(r'@\{', Literal, 'literal_dictionary'),
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(words((
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'@selector', '@private', '@protected', '@public', '@encode',
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'@synchronized', '@try', '@throw', '@catch', '@finally',
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'@end', '@property', '@synthesize', '__bridge', '__bridge_transfer',
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'__autoreleasing', '__block', '__weak', '__strong', 'weak', 'strong',
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'copy', 'retain', 'assign', 'unsafe_unretained', 'atomic', 'nonatomic',
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'readonly', 'readwrite', 'setter', 'getter', 'typeof', 'in',
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'out', 'inout', 'release', 'class', '@dynamic', '@optional',
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'@required', '@autoreleasepool'), suffix=r'\b'),
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Keyword),
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(words(('id', 'instancetype', 'Class', 'IMP', 'SEL', 'BOOL',
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'IBOutlet', 'IBAction', 'unichar'), suffix=r'\b'),
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Keyword.Type),
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(r'@(true|false|YES|NO)\n', Name.Builtin),
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(r'(YES|NO|nil|self|super)\b', Name.Builtin),
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# Carbon types
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(r'(Boolean|UInt8|SInt8|UInt16|SInt16|UInt32|SInt32)\b', Keyword.Type),
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# Carbon built-ins
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(r'(TRUE|FALSE)\b', Name.Builtin),
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(r'(@interface|@implementation)(\s+)', bygroups(Keyword, Text),
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('#pop', 'oc_classname')),
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(r'(@class|@protocol)(\s+)', bygroups(Keyword, Text),
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('#pop', 'oc_forward_classname')),
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# @ can also prefix other expressions like @{...} or @(...)
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(r'@', Punctuation),
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inherit,
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],
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'oc_classname': [
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# interface definition that inherits
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('([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?(\s*)(\{)',
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bygroups(Name.Class, Text, Name.Class, Text, Punctuation),
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('#pop', 'oc_ivars')),
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('([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?',
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bygroups(Name.Class, Text, Name.Class), '#pop'),
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# interface definition for a category
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('([a-zA-Z$_][\w$]*)(\s*)(\([a-zA-Z$_][\w$]*\))(\s*)(\{)',
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bygroups(Name.Class, Text, Name.Label, Text, Punctuation),
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('#pop', 'oc_ivars')),
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('([a-zA-Z$_][\w$]*)(\s*)(\([a-zA-Z$_][\w$]*\))',
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bygroups(Name.Class, Text, Name.Label), '#pop'),
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# simple interface / implementation
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('([a-zA-Z$_][\w$]*)(\s*)(\{)',
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bygroups(Name.Class, Text, Punctuation), ('#pop', 'oc_ivars')),
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('([a-zA-Z$_][\w$]*)', Name.Class, '#pop')
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],
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'oc_forward_classname': [
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('([a-zA-Z$_][\w$]*)(\s*,\s*)',
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bygroups(Name.Class, Text), 'oc_forward_classname'),
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('([a-zA-Z$_][\w$]*)(\s*;?)',
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bygroups(Name.Class, Text), '#pop')
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],
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'oc_ivars': [
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include('whitespace'),
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include('statements'),
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(';', Punctuation),
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(r'\{', Punctuation, '#push'),
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(r'\}', Punctuation, '#pop'),
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],
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'root': [
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# methods
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(r'^([-+])(\s*)' # method marker
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r'(\(.*?\))?(\s*)' # return type
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r'([a-zA-Z$_][\w$]*:?)', # begin of method name
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bygroups(Punctuation, Text, using(this),
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Text, Name.Function),
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'method'),
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inherit,
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],
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'method': [
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include('whitespace'),
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# TODO unsure if ellipses are allowed elsewhere, see
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# discussion in Issue 789
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(r',', Punctuation),
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(r'\.\.\.', Punctuation),
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(r'(\(.*?\))(\s*)([a-zA-Z$_][\w$]*)',
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bygroups(using(this), Text, Name.Variable)),
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(r'[a-zA-Z$_][\w$]*:', Name.Function),
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(';', Punctuation, '#pop'),
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(r'\{', Punctuation, 'function'),
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default('#pop'),
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],
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'literal_number': [
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(r'\(', Punctuation, 'literal_number_inner'),
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(r'\)', Literal, '#pop'),
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include('statement'),
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],
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'literal_number_inner': [
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(r'\(', Punctuation, '#push'),
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(r'\)', Punctuation, '#pop'),
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include('statement'),
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],
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'literal_array': [
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(r'\[', Punctuation, 'literal_array_inner'),
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(r'\]', Literal, '#pop'),
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include('statement'),
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],
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'literal_array_inner': [
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(r'\[', Punctuation, '#push'),
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(r'\]', Punctuation, '#pop'),
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include('statement'),
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],
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'literal_dictionary': [
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(r'\}', Literal, '#pop'),
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include('statement'),
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],
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}
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def analyse_text(text):
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if _oc_keywords.search(text):
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return 1.0
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elif '@"' in text: # strings
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return 0.8
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elif re.search('@[0-9]+', text):
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return 0.7
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elif _oc_message.search(text):
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return 0.8
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return 0
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def get_tokens_unprocessed(self, text):
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from pygments.lexers._cocoa_builtins import COCOA_INTERFACES, \
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COCOA_PROTOCOLS, COCOA_PRIMITIVES
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for index, token, value in \
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baselexer.get_tokens_unprocessed(self, text):
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if token is Name or token is Name.Class:
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if value in COCOA_INTERFACES or value in COCOA_PROTOCOLS \
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or value in COCOA_PRIMITIVES:
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token = Name.Builtin.Pseudo
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yield index, token, value
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return GeneratedObjectiveCVariant
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class ObjectiveCLexer(objective(CLexer)):
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"""
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For Objective-C source code with preprocessor directives.
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"""
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name = 'Objective-C'
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aliases = ['objective-c', 'objectivec', 'obj-c', 'objc']
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filenames = ['*.m', '*.h']
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mimetypes = ['text/x-objective-c']
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priority = 0.05 # Lower than C
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class ObjectiveCppLexer(objective(CppLexer)):
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"""
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For Objective-C++ source code with preprocessor directives.
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"""
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name = 'Objective-C++'
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aliases = ['objective-c++', 'objectivec++', 'obj-c++', 'objc++']
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filenames = ['*.mm', '*.hh']
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mimetypes = ['text/x-objective-c++']
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priority = 0.05 # Lower than C++
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class LogosLexer(ObjectiveCppLexer):
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"""
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For Logos + Objective-C source code with preprocessor directives.
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.. versionadded:: 1.6
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"""
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name = 'Logos'
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aliases = ['logos']
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filenames = ['*.x', '*.xi', '*.xm', '*.xmi']
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mimetypes = ['text/x-logos']
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priority = 0.25
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tokens = {
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'statements': [
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(r'(%orig|%log)\b', Keyword),
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(r'(%c)\b(\()(\s*)([a-zA-Z$_][\w$]*)(\s*)(\))',
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bygroups(Keyword, Punctuation, Text, Name.Class, Text, Punctuation)),
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(r'(%init)\b(\()',
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bygroups(Keyword, Punctuation), 'logos_init_directive'),
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(r'(%init)(?=\s*;)', bygroups(Keyword)),
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(r'(%hook|%group)(\s+)([a-zA-Z$_][\w$]+)',
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bygroups(Keyword, Text, Name.Class), '#pop'),
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(r'(%subclass)(\s+)', bygroups(Keyword, Text),
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('#pop', 'logos_classname')),
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inherit,
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],
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'logos_init_directive': [
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('\s+', Text),
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(',', Punctuation, ('logos_init_directive', '#pop')),
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('([a-zA-Z$_][\w$]*)(\s*)(=)(\s*)([^);]*)',
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bygroups(Name.Class, Text, Punctuation, Text, Text)),
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('([a-zA-Z$_][\w$]*)', Name.Class),
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('\)', Punctuation, '#pop'),
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],
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'logos_classname': [
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('([a-zA-Z$_][\w$]*)(\s*:\s*)([a-zA-Z$_][\w$]*)?',
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bygroups(Name.Class, Text, Name.Class), '#pop'),
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('([a-zA-Z$_][\w$]*)', Name.Class, '#pop')
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],
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'root': [
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(r'(%subclass)(\s+)', bygroups(Keyword, Text),
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'logos_classname'),
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(r'(%hook|%group)(\s+)([a-zA-Z$_][\w$]+)',
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bygroups(Keyword, Text, Name.Class)),
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(r'(%config)(\s*\(\s*)(\w+)(\s*=\s*)(.*?)(\s*\)\s*)',
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bygroups(Keyword, Text, Name.Variable, Text, String, Text)),
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(r'(%ctor)(\s*)(\{)', bygroups(Keyword, Text, Punctuation),
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'function'),
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(r'(%new)(\s*)(\()(\s*.*?\s*)(\))',
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bygroups(Keyword, Text, Keyword, String, Keyword)),
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(r'(\s*)(%end)(\s*)', bygroups(Text, Keyword, Text)),
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inherit,
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],
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}
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_logos_keywords = re.compile(r'%(?:hook|ctor|init|c\()')
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def analyse_text(text):
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if LogosLexer._logos_keywords.search(text):
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return 1.0
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return 0
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class SwiftLexer(RegexLexer):
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"""
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For `Swift <https://developer.apple.com/swift/>`_ source.
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.. versionadded:: 2.0
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"""
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name = 'Swift'
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filenames = ['*.swift']
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aliases = ['swift']
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mimetypes = ['text/x-swift']
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tokens = {
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'root': [
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# Whitespace and Comments
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(r'\n', Text),
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(r'\s+', Text),
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(r'//', Comment.Single, 'comment-single'),
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(r'/\*', Comment.Multiline, 'comment-multi'),
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(r'#(if|elseif|else|endif)\b', Comment.Preproc, 'preproc'),
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# Keywords
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include('keywords'),
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# Global Types
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(r'(Array|AutoreleasingUnsafeMutablePointer|BidirectionalReverseView'
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r'|Bit|Bool|CFunctionPointer|COpaquePointer|CVaListPointer'
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r'|Character|ClosedInterval|CollectionOfOne|ContiguousArray'
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r'|Dictionary|DictionaryGenerator|DictionaryIndex|Double'
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r'|EmptyCollection|EmptyGenerator|EnumerateGenerator'
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r'|EnumerateSequence|FilterCollectionView'
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r'|FilterCollectionViewIndex|FilterGenerator|FilterSequenceView'
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r'|Float|Float80|FloatingPointClassification|GeneratorOf'
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r'|GeneratorOfOne|GeneratorSequence|HalfOpenInterval|HeapBuffer'
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r'|HeapBufferStorage|ImplicitlyUnwrappedOptional|IndexingGenerator'
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r'|Int|Int16|Int32|Int64|Int8|LazyBidirectionalCollection'
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r'|LazyForwardCollection|LazyRandomAccessCollection'
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r'|LazySequence|MapCollectionView|MapSequenceGenerator'
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r'|MapSequenceView|MirrorDisposition|ObjectIdentifier|OnHeap'
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r'|Optional|PermutationGenerator|QuickLookObject'
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r'|RandomAccessReverseView|Range|RangeGenerator|RawByte|Repeat'
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r'|ReverseBidirectionalIndex|ReverseRandomAccessIndex|SequenceOf'
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r'|SinkOf|Slice|StaticString|StrideThrough|StrideThroughGenerator'
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r'|StrideTo|StrideToGenerator|String|UInt|UInt16|UInt32|UInt64'
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r'|UInt8|UTF16|UTF32|UTF8|UnicodeDecodingResult|UnicodeScalar'
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r'|Unmanaged|UnsafeBufferPointer|UnsafeBufferPointerGenerator'
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r'|UnsafeMutableBufferPointer|UnsafeMutablePointer|UnsafePointer'
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r'|Zip2|ZipGenerator2'
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# Protocols
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r'|AbsoluteValuable|AnyObject|ArrayLiteralConvertible'
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r'|BidirectionalIndexType|BitwiseOperationsType'
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r'|BooleanLiteralConvertible|BooleanType|CVarArgType'
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r'|CollectionType|Comparable|DebugPrintable'
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r'|DictionaryLiteralConvertible|Equatable'
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r'|ExtendedGraphemeClusterLiteralConvertible'
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r'|ExtensibleCollectionType|FloatLiteralConvertible'
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r'|FloatingPointType|ForwardIndexType|GeneratorType|Hashable'
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r'|IntegerArithmeticType|IntegerLiteralConvertible|IntegerType'
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r'|IntervalType|MirrorType|MutableCollectionType|MutableSliceable'
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r'|NilLiteralConvertible|OutputStreamType|Printable'
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r'|RandomAccessIndexType|RangeReplaceableCollectionType'
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r'|RawOptionSetType|RawRepresentable|Reflectable|SequenceType'
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r'|SignedIntegerType|SignedNumberType|SinkType|Sliceable'
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r'|Streamable|Strideable|StringInterpolationConvertible'
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r'|StringLiteralConvertible|UnicodeCodecType'
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r'|UnicodeScalarLiteralConvertible|UnsignedIntegerType'
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r'|_ArrayBufferType|_BidirectionalIndexType|_CocoaStringType'
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r'|_CollectionType|_Comparable|_ExtensibleCollectionType'
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r'|_ForwardIndexType|_Incrementable|_IntegerArithmeticType'
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r'|_IntegerType|_ObjectiveCBridgeable|_RandomAccessIndexType'
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r'|_RawOptionSetType|_SequenceType|_Sequence_Type'
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r'|_SignedIntegerType|_SignedNumberType|_Sliceable|_Strideable'
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r'|_SwiftNSArrayRequiredOverridesType|_SwiftNSArrayType'
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r'|_SwiftNSCopyingType|_SwiftNSDictionaryRequiredOverridesType'
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r'|_SwiftNSDictionaryType|_SwiftNSEnumeratorType'
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r'|_SwiftNSFastEnumerationType|_SwiftNSStringRequiredOverridesType'
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r'|_SwiftNSStringType|_UnsignedIntegerType'
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# Variables
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r'|C_ARGC|C_ARGV|Process'
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# Typealiases
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r'|Any|AnyClass|BooleanLiteralType|CBool|CChar|CChar16|CChar32'
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r'|CDouble|CFloat|CInt|CLong|CLongLong|CShort|CSignedChar'
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r'|CUnsignedInt|CUnsignedLong|CUnsignedShort|CWideChar'
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r'|ExtendedGraphemeClusterType|Float32|Float64|FloatLiteralType'
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r'|IntMax|IntegerLiteralType|StringLiteralType|UIntMax|UWord'
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r'|UnicodeScalarType|Void|Word'
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# Foundation/Cocoa
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r'|NSErrorPointer|NSObjectProtocol|Selector)\b', Name.Builtin),
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# Functions
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(r'(abs|advance|alignof|alignofValue|assert|assertionFailure'
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r'|contains|count|countElements|debugPrint|debugPrintln|distance'
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r'|dropFirst|dropLast|dump|enumerate|equal|extend|fatalError'
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r'|filter|find|first|getVaList|indices|insert|isEmpty|join|last'
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r'|lazy|lexicographicalCompare|map|max|maxElement|min|minElement'
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r'|numericCast|overlaps|partition|precondition|preconditionFailure'
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r'|prefix|print|println|reduce|reflect|removeAll|removeAtIndex'
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r'|removeLast|removeRange|reverse|sizeof|sizeofValue|sort|sorted'
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r'|splice|split|startsWith|stride|strideof|strideofValue|suffix'
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r'|swap|toDebugString|toString|transcode|underestimateCount'
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r'|unsafeAddressOf|unsafeBitCast|unsafeDowncast'
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r'|withExtendedLifetime|withUnsafeMutablePointer'
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r'|withUnsafeMutablePointers|withUnsafePointer|withUnsafePointers'
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r'|withVaList)\b', Name.Builtin.Pseudo),
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# Implicit Block Variables
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(r'\$\d+', Name.Variable),
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# Binary Literal
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(r'0b[01_]+', Number.Bin),
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# Octal Literal
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(r'0o[0-7_]+', Number.Oct),
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# Hexadecimal Literal
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(r'0x[0-9a-fA-F_]+', Number.Hex),
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# Decimal Literal
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(r'[0-9][0-9_]*(\.[0-9_]+[eE][+\-]?[0-9_]+|'
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r'\.[0-9_]*|[eE][+\-]?[0-9_]+)', Number.Float),
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(r'[0-9][0-9_]*', Number.Integer),
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# String Literal
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(r'"', String, 'string'),
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# Operators and Punctuation
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(r'[(){}\[\].,:;=@#`?]|->|[<&?](?=\w)|(?<=\w)[>!?]', Punctuation),
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(r'[/=\-+!*%<>&|^?~]+', Operator),
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# Identifier
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(r'[a-zA-Z_]\w*', Name)
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],
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'keywords': [
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(r'(break|case|continue|default|do|else|fallthrough|for|if|in'
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r'|return|switch|where|while)\b', Keyword),
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(r'@availability\([^)]+\)', Keyword.Reserved),
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(r'(associativity|convenience|dynamic|didSet|final|get|infix|inout'
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r'|lazy|left|mutating|none|nonmutating|optional|override|postfix'
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r'|precedence|prefix|Protocol|required|right|set|Type|unowned|weak'
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|
r'|willSet|@(availability|autoclosure|noreturn'
|
|
r'|NSApplicationMain|NSCopying|NSManaged|objc'
|
|
r'|UIApplicationMain|IBAction|IBDesignable|IBInspectable'
|
|
r'|IBOutlet))\b',Keyword.Reserved),
|
|
(r'(as|dynamicType|false|is|nil|self|Self|super|true|__COLUMN__'
|
|
r'|__FILE__|__FUNCTION__|__LINE__|_)\b', Keyword.Constant),
|
|
(r'import\b', Keyword.Declaration, 'module'),
|
|
(r'(class|enum|extension|struct|protocol)(\s+)([a-zA-Z_]\w*)',
|
|
bygroups(Keyword.Declaration, Text, Name.Class)),
|
|
(r'(func)(\s+)([a-zA-Z_]\w*)',
|
|
bygroups(Keyword.Declaration, Text, Name.Function)),
|
|
(r'(var|let)(\s+)([a-zA-Z_]\w*)', bygroups(Keyword.Declaration,
|
|
Text, Name.Variable)),
|
|
(r'(class|deinit|enum|extension|func|import|init|internal|let'
|
|
r'|operator|private|protocol|public|static|struct|subscript'
|
|
r'|typealias|var)\b', Keyword.Declaration)
|
|
],
|
|
'comment': [
|
|
(r':param: [a-zA-Z_]\w*|:returns?:|(FIXME|MARK|TODO):',
|
|
Comment.Special)
|
|
],
|
|
|
|
# Nested
|
|
'comment-single': [
|
|
(r'\n', Text, '#pop'),
|
|
include('comment'),
|
|
(r'[^\n]', Comment.Single)
|
|
],
|
|
'comment-multi': [
|
|
include('comment'),
|
|
(r'[^*/]', Comment.Multiline),
|
|
(r'/\*', Comment.Multiline, '#push'),
|
|
(r'\*/', Comment.Multiline, '#pop'),
|
|
(r'[*/]', Comment.Multiline)
|
|
],
|
|
'module': [
|
|
(r'\n', Text, '#pop'),
|
|
(r'[a-zA-Z_]\w*', Name.Class),
|
|
include('root')
|
|
],
|
|
'preproc': [
|
|
(r'\n', Text, '#pop'),
|
|
include('keywords'),
|
|
(r'[A-Za-z]\w*', Comment.Preproc),
|
|
include('root')
|
|
],
|
|
'string': [
|
|
(r'\\\(', String.Interpol, 'string-intp'),
|
|
(r'"', String, '#pop'),
|
|
(r"""\\['"\\nrt]|\\x[0-9a-fA-F]{2}|\\[0-7]{1,3}"""
|
|
r"""|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}""", String.Escape),
|
|
(r'[^\\"]+', String),
|
|
(r'\\', String)
|
|
],
|
|
'string-intp': [
|
|
(r'\(', String.Interpol, '#push'),
|
|
(r'\)', String.Interpol, '#pop'),
|
|
include('root')
|
|
]
|
|
}
|
|
|
|
def get_tokens_unprocessed(self, text):
|
|
from pygments.lexers._cocoa_builtins import COCOA_INTERFACES, \
|
|
COCOA_PROTOCOLS, COCOA_PRIMITIVES
|
|
|
|
for index, token, value in \
|
|
RegexLexer.get_tokens_unprocessed(self, text):
|
|
if token is Name or token is Name.Class:
|
|
if value in COCOA_INTERFACES or value in COCOA_PROTOCOLS \
|
|
or value in COCOA_PRIMITIVES:
|
|
token = Name.Builtin.Pseudo
|
|
|
|
yield index, token, value
|