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" Vim syntax file " Language: Python 2 " Maintainer: Zvezdan Petkovic <zpetkovic@acm.org> " Last Change: 2016 Oct 29 " Credits: Neil Schemenauer <nas@python.ca> " Dmitry Vasiliev " " This version is a major rewrite by Zvezdan Petkovic. " " - introduced highlighting of doctests " - updated keywords, built-ins, and exceptions " - corrected regular expressions for " " * functions " * decorators " * strings " * escapes " * numbers " * space error " " - corrected synchronization " - more highlighting is ON by default, except " - space error highlighting is OFF by default " " Optional highlighting can be controlled using these variables. " " let python_no_builtin_highlight = 1 " let python_no_doctest_code_highlight = 1 " let python_no_doctest_highlight = 1 " let python_no_exception_highlight = 1 " let python_no_number_highlight = 1 " let python_space_error_highlight = 1 " " All the options above can be switched on together. " " let python_highlight_all = 1 " """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" " NOTE: This file is a copy of the last commit of runtime/syntax/python.vim " that still supported Python 2. There is support for Python 3, up to 3.5, " and it was kept in the file as is, because it supports the straddling code " (Python 2 and 3 compatible) better. """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" " quit when a syntax file was already loaded. if exists("b:current_syntax") finish endif " We need nocompatible mode in order to continue lines with backslashes. " Original setting will be restored. let s:cpo_save = &cpo set cpo&vim if exists("python_no_doctest_highlight") let python_no_doctest_code_highlight = 1 endif if exists("python_highlight_all") if exists("python_no_builtin_highlight") unlet python_no_builtin_highlight endif if exists("python_no_doctest_code_highlight") unlet python_no_doctest_code_highlight endif if exists("python_no_doctest_highlight") unlet python_no_doctest_highlight endif if exists("python_no_exception_highlight") unlet python_no_exception_highlight endif if exists("python_no_number_highlight") unlet python_no_number_highlight endif let python_space_error_highlight = 1 endif " Keep Python keywords in alphabetical order inside groups for easy " comparison with the table in the 'Python Language Reference' " https://docs.python.org/2/reference/lexical_analysis.html#keywords, " https://docs.python.org/3/reference/lexical_analysis.html#keywords. " Groups are in the order presented in NAMING CONVENTIONS in syntax.txt. " Exceptions come last at the end of each group (class and def below). " " Keywords 'with' and 'as' are new in Python 2.6 " (use 'from __future__ import with_statement' in Python 2.5). " " Some compromises had to be made to support both Python 3 and 2. " We include Python 3 features, but when a definition is duplicated, " the last definition takes precedence. " " - 'False', 'None', and 'True' are keywords in Python 3 but they are " built-ins in 2 and will be highlighted as built-ins below. " - 'exec' is a built-in in Python 3 and will be highlighted as " built-in below. " - 'nonlocal' is a keyword in Python 3 and will be highlighted. " - 'print' is a built-in in Python 3 and will be highlighted as " built-in below (use 'from __future__ import print_function' in 2) " - async and await were added in Python 3.5 and are soft keywords. " syn keyword pythonStatement False None True syn keyword pythonStatement as assert break continue del exec global syn keyword pythonStatement lambda nonlocal pass print return with yield syn keyword pythonStatement class def nextgroup=pythonFunction skipwhite syn keyword pythonConditional elif else if syn keyword pythonRepeat for while syn keyword pythonOperator and in is not or syn keyword pythonException except finally raise try syn keyword pythonInclude from import syn keyword pythonAsync async await " Decorators (new in Python 2.4) " A dot must be allowed because of @MyClass.myfunc decorators. syn match pythonDecorator "@" display contained syn match pythonDecoratorName "@\s*\h\%(\w\|\.\)*" display contains=pythonDecorator " Python 3.5 introduced the use of the same symbol for matrix multiplication: " https://www.python.org/dev/peps/pep-0465/. We now have to exclude the " symbol from highlighting when used in that context. " Single line multiplication. syn match pythonMatrixMultiply \ "\%(\w\|[])]\)\s*@" \ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue \ transparent " Multiplication continued on the next line after backslash. syn match pythonMatrixMultiply \ "[^\\]\\\s*\n\%(\s*\.\.\.\s\)\=\s\+@" \ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue \ transparent " Multiplication in a parenthesized expression over multiple lines with @ at " the start of each continued line; very similar to decorators and complex. syn match pythonMatrixMultiply \ "^\s*\%(\%(>>>\|\.\.\.\)\s\+\)\=\zs\%(\h\|\%(\h\|[[(]\).\{-}\%(\w\|[])]\)\)\s*\n\%(\s*\.\.\.\s\)\=\s\+@\%(.\{-}\n\%(\s*\.\.\.\s\)\=\s\+@\)*" \ contains=ALLBUT,pythonDecoratorName,pythonDecorator,pythonFunction,pythonDoctestValue \ transparent syn match pythonFunction "\h\w*" display contained syn match pythonComment "#.*$" contains=pythonTodo,@Spell syn keyword pythonTodo FIXME NOTE NOTES TODO XXX contained " Triple-quoted strings can contain doctests. syn region pythonString matchgroup=pythonQuotes \ start=+[uU]\=\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1" \ contains=pythonEscape,@Spell syn region pythonString matchgroup=pythonTripleQuotes \ start=+[uU]\=\z('''\|"""\)+ end="\z1" keepend \ contains=pythonEscape,pythonSpaceError,pythonDoctest,@Spell syn region pythonRawString matchgroup=pythonQuotes \ start=+[uU]\=[rR]\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1" \ contains=@Spell syn region pythonRawString matchgroup=pythonTripleQuotes \ start=+[uU]\=[rR]\z('''\|"""\)+ end="\z1" keepend \ contains=pythonSpaceError,pythonDoctest,@Spell syn match pythonEscape +\\[abfnrtv'"\\]+ contained syn match pythonEscape "\\\o\{1,3}" contained syn match pythonEscape "\\x\x\{2}" contained syn match pythonEscape "\%(\\u\x\{4}\|\\U\x\{8}\)" contained " Python allows case-insensitive Unicode IDs: http://www.unicode.org/charts/ syn match pythonEscape "\\N{\a\+\%(\s\a\+\)*}" contained syn match pythonEscape "\\$" " It is very important to understand all details before changing the " regular expressions below or their order. " The word boundaries are *not* the floating-point number boundaries " because of a possible leading or trailing decimal point. " The expressions below ensure that all valid number literals are " highlighted, and invalid number literals are not. For example, " " - a decimal point in '4.' at the end of a line is highlighted, " - a second dot in 1.0.0 is not highlighted, " - 08 is not highlighted, " - 08e0 or 08j are highlighted, " " and so on, as specified in the 'Python Language Reference'. " https://docs.python.org/2/reference/lexical_analysis.html#numeric-literals " https://docs.python.org/3/reference/lexical_analysis.html#numeric-literals if !exists("python_no_number_highlight") " numbers (including longs and complex) syn match pythonNumber "\<0[oO]\=\o\+[Ll]\=\>" syn match pythonNumber "\<0[xX]\x\+[Ll]\=\>" syn match pythonNumber "\<0[bB][01]\+[Ll]\=\>" syn match pythonNumber "\<\%([1-9]\d*\|0\)[Ll]\=\>" syn match pythonNumber "\<\d\+[jJ]\>" syn match pythonNumber "\<\d\+[eE][+-]\=\d\+[jJ]\=\>" syn match pythonNumber \ "\<\d\+\.\%([eE][+-]\=\d\+\)\=[jJ]\=\%(\W\|$\)\@=" syn match pythonNumber \ "\%(^\|\W\)\zs\d*\.\d\+\%([eE][+-]\=\d\+\)\=[jJ]\=\>" endif " Group the built-ins in the order in the 'Python Library Reference' for " easier comparison. " https://docs.python.org/2/library/constants.html " https://docs.python.org/3/library/constants.html " http://docs.python.org/2/library/functions.html " http://docs.python.org/3/library/functions.html " http://docs.python.org/2/library/functions.html#non-essential-built-in-functions " http://docs.python.org/3/library/functions.html#non-essential-built-in-functions " Python built-in functions are in alphabetical order. if !exists("python_no_builtin_highlight") " built-in constants " 'False', 'True', and 'None' are also reserved words in Python 3 syn keyword pythonBuiltin False True None syn keyword pythonBuiltin NotImplemented Ellipsis __debug__ " built-in functions syn keyword pythonBuiltin abs all any bin bool bytearray callable chr syn keyword pythonBuiltin classmethod compile complex delattr dict dir syn keyword pythonBuiltin divmod enumerate eval filter float format syn keyword pythonBuiltin frozenset getattr globals hasattr hash syn keyword pythonBuiltin help hex id input int isinstance syn keyword pythonBuiltin issubclass iter len list locals map max syn keyword pythonBuiltin memoryview min next object oct open ord pow syn keyword pythonBuiltin print property range repr reversed round set syn keyword pythonBuiltin setattr slice sorted staticmethod str syn keyword pythonBuiltin sum super tuple type vars zip __import__ " Python 2 only syn keyword pythonBuiltin basestring cmp execfile file syn keyword pythonBuiltin long raw_input reduce reload unichr syn keyword pythonBuiltin unicode xrange " Python 3 only syn keyword pythonBuiltin ascii bytes exec " non-essential built-in functions; Python 2 only syn keyword pythonBuiltin apply buffer coerce intern " avoid highlighting attributes as builtins syn match pythonAttribute /\.\h\w*/hs=s+1 \ contains=ALLBUT,pythonBuiltin,pythonFunction,pythonAsync \ transparent endif " From the 'Python Library Reference' class hierarchy at the bottom. " http://docs.python.org/2/library/exceptions.html " http://docs.python.org/3/library/exceptions.html if !exists("python_no_exception_highlight") " builtin base exceptions (used mostly as base classes for other exceptions) syn keyword pythonExceptions BaseException Exception syn keyword pythonExceptions ArithmeticError BufferError syn keyword pythonExceptions LookupError " builtin base exceptions removed in Python 3 syn keyword pythonExceptions EnvironmentError StandardError " builtin exceptions (actually raised) syn keyword pythonExceptions AssertionError AttributeError syn keyword pythonExceptions EOFError FloatingPointError GeneratorExit syn keyword pythonExceptions ImportError IndentationError syn keyword pythonExceptions IndexError KeyError KeyboardInterrupt syn keyword pythonExceptions MemoryError NameError NotImplementedError syn keyword pythonExceptions OSError OverflowError ReferenceError syn keyword pythonExceptions RuntimeError StopIteration SyntaxError syn keyword pythonExceptions SystemError SystemExit TabError TypeError syn keyword pythonExceptions UnboundLocalError UnicodeError syn keyword pythonExceptions UnicodeDecodeError UnicodeEncodeError syn keyword pythonExceptions UnicodeTranslateError ValueError syn keyword pythonExceptions ZeroDivisionError " builtin OS exceptions in Python 3 syn keyword pythonExceptions BlockingIOError BrokenPipeError syn keyword pythonExceptions ChildProcessError ConnectionAbortedError syn keyword pythonExceptions ConnectionError ConnectionRefusedError syn keyword pythonExceptions ConnectionResetError FileExistsError syn keyword pythonExceptions FileNotFoundError InterruptedError syn keyword pythonExceptions IsADirectoryError NotADirectoryError syn keyword pythonExceptions PermissionError ProcessLookupError syn keyword pythonExceptions RecursionError StopAsyncIteration syn keyword pythonExceptions TimeoutError " builtin exceptions deprecated/removed in Python 3 syn keyword pythonExceptions IOError VMSError WindowsError " builtin warnings syn keyword pythonExceptions BytesWarning DeprecationWarning FutureWarning syn keyword pythonExceptions ImportWarning PendingDeprecationWarning syn keyword pythonExceptions RuntimeWarning SyntaxWarning UnicodeWarning syn keyword pythonExceptions UserWarning Warning " builtin warnings in Python 3 syn keyword pythonExceptions ResourceWarning endif if exists("python_space_error_highlight") " trailing whitespace syn match pythonSpaceError display excludenl "\s\+$" " mixed tabs and spaces syn match pythonSpaceError display " \+\t" syn match pythonSpaceError display "\t\+ " endif " Do not spell doctests inside strings. " Notice that the end of a string, either ''', or """, will end the contained " doctest too. Thus, we do *not* need to have it as an end pattern. if !exists("python_no_doctest_highlight") if !exists("python_no_doctest_code_highlight") syn region pythonDoctest \ start="^\s*>>>\s" end="^\s*$" \ contained contains=ALLBUT,pythonDoctest,pythonFunction,@Spell syn region pythonDoctestValue \ start=+^\s*\%(>>>\s\|\.\.\.\s\|"""\|'''\)\@!\S\++ end="$" \ contained else syn region pythonDoctest \ start="^\s*>>>" end="^\s*$" \ contained contains=@NoSpell endif endif " Sync at the beginning of class, function, or method definition. syn sync match pythonSync grouphere NONE "^\%(def\|class\)\s\+\h\w*\s*[(:]" " The default highlight links. Can be overridden later. hi def link pythonStatement Statement hi def link pythonConditional Conditional hi def link pythonRepeat Repeat hi def link pythonOperator Operator hi def link pythonException Exception hi def link pythonInclude Include hi def link pythonAsync Statement hi def link pythonDecorator Define hi def link pythonDecoratorName Function hi def link pythonFunction Function hi def link pythonComment Comment hi def link pythonTodo Todo hi def link pythonString String hi def link pythonRawString String hi def link pythonQuotes String hi def link pythonTripleQuotes pythonQuotes hi def link pythonEscape Special if !exists("python_no_number_highlight") hi def link pythonNumber Number endif if !exists("python_no_builtin_highlight") hi def link pythonBuiltin Function endif if !exists("python_no_exception_highlight") hi def link pythonExceptions Structure endif if exists("python_space_error_highlight") hi def link pythonSpaceError Error endif if !exists("python_no_doctest_highlight") hi def link pythonDoctest Special hi def link pythonDoctestValue Define endif let b:current_syntax = "python" let &cpo = s:cpo_save unlet s:cpo_save " vim:set sw=2 sts=2 ts=8 noet: