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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:
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