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" Vim syntax file " Language: Python " Maintainer: Neil Schemenauer <nas@python.ca> " Last Change: 2013 Feb 26 " Credits: Zvezdan Petkovic <zpetkovic@acm.org> " 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 " " For version 5.x: Clear all syntax items. " For version 6.x: Quit when a syntax file was already loaded. if version < 600 syntax clear elseif 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 " Keep Python keywords in alphabetical order inside groups for easy " comparison with the table in the 'Python Language Reference' " http://docs.python.org/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 3.0 and 2.6. " We include Python 3.0 features, but when a definition is duplicated, " the last definition takes precedence. " " - 'False', 'None', and 'True' are keywords in Python 3.0 but they are " built-ins in 2.6 and will be highlighted as built-ins below. " - 'exec' is a built-in in Python 3.0 and will be highlighted as " built-in below. " - 'nonlocal' is a keyword in Python 3.0 and will be highlighted. " - 'print' is a built-in in Python 3.0 and will be highlighted as " built-in below (use 'from __future__ import print_function' in 2.6) " 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 " Decorators (new in Python 2.4) syn match pythonDecorator "@" display nextgroup=pythonFunction skipwhite " The zero-length non-grouping match before the function name is " extremely important in pythonFunction. Without it, everything is " interpreted as a function inside the contained environment of " doctests. " A dot must be allowed because of @MyClass.myfunc decorators. syn match pythonFunction \ "\%(\%(def\s\|class\s\|@\)\s*\)\@<=\h\%(\w\|\.\)*" 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 \ start=+[uU]\=\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1" \ contains=pythonEscape,@Spell syn region pythonString \ start=+[uU]\=\z('''\|"""\)+ end="\z1" keepend \ contains=pythonEscape,pythonSpaceError,pythonDoctest,@Spell syn region pythonRawString \ start=+[uU]\=[rR]\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1" \ contains=@Spell syn region pythonRawString \ 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 "\\$" 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 " 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'. " http://docs.python.org/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\)\@<=\d*\.\d\+\%([eE][+-]\=\d\+\)\=[jJ]\=\>" endif " Group the built-ins in the order in the 'Python Library Reference' for " easier comparison. " http://docs.python.org/library/constants.html " http://docs.python.org/library/functions.html " http://docs.python.org/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 3.0 syn keyword pythonBuiltin False True None syn keyword pythonBuiltin NotImplemented Ellipsis __debug__ " built-in functions syn keyword pythonBuiltin abs all any bin bool chr classmethod syn keyword pythonBuiltin compile complex delattr dict dir divmod syn keyword pythonBuiltin 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 min next object oct open ord pow print syn keyword pythonBuiltin 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 2.6 only syn keyword pythonBuiltin basestring callable cmp execfile file syn keyword pythonBuiltin long raw_input reduce reload unichr syn keyword pythonBuiltin unicode xrange " Python 3.0 only syn keyword pythonBuiltin ascii bytearray bytes exec memoryview " non-essential built-in functions; Python 2.6 only syn keyword pythonBuiltin apply buffer coerce intern endif " From the 'Python Library Reference' class hierarchy at the bottom. " http://docs.python.org/library/exceptions.html if !exists("python_no_exception_highlight") " builtin base exceptions (only used as base classes for other exceptions) syn keyword pythonExceptions BaseException Exception syn keyword pythonExceptions ArithmeticError EnvironmentError syn keyword pythonExceptions LookupError " builtin base exception removed in Python 3.0 syn keyword pythonExceptions StandardError " builtin exceptions (actually raised) syn keyword pythonExceptions AssertionError AttributeError BufferError syn keyword pythonExceptions EOFError FloatingPointError GeneratorExit syn keyword pythonExceptions IOError 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 VMSError syn keyword pythonExceptions WindowsError ZeroDivisionError " builtin warnings syn keyword pythonExceptions BytesWarning DeprecationWarning FutureWarning syn keyword pythonExceptions ImportWarning PendingDeprecationWarning syn keyword pythonExceptions RuntimeWarning SyntaxWarning UnicodeWarning syn keyword pythonExceptions UserWarning Warning 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,@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 "^\s*\%(def\|class\)\s\+\h\w*\s*(" if version >= 508 || !exists("did_python_syn_inits") if version <= 508 let did_python_syn_inits = 1 command -nargs=+ HiLink hi link <args> else command -nargs=+ HiLink hi def link <args> endif " The default highlight links. Can be overridden later. HiLink pythonStatement Statement HiLink pythonConditional Conditional HiLink pythonRepeat Repeat HiLink pythonOperator Operator HiLink pythonException Exception HiLink pythonInclude Include HiLink pythonDecorator Define HiLink pythonFunction Function HiLink pythonComment Comment HiLink pythonTodo Todo HiLink pythonString String HiLink pythonRawString String HiLink pythonEscape Special if !exists("python_no_number_highlight") HiLink pythonNumber Number endif if !exists("python_no_builtin_highlight") HiLink pythonBuiltin Function endif if !exists("python_no_exception_highlight") HiLink pythonExceptions Structure endif if exists("python_space_error_highlight") HiLink pythonSpaceError Error endif if !exists("python_no_doctest_highlight") HiLink pythonDoctest Special HiLink pythonDoctestValue Define endif delcommand HiLink endif let b:current_syntax = "python" let &cpo = s:cpo_save unlet s:cpo_save " vim:set sw=2 sts=2 ts=8 noet: