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+" Vim syntax file
+" Language: Python
+" Maintainer: Neil Schemenauer <nas@python.ca>
+" Last Change: 2010 Sep 21
+" 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\+$"
+ " mixed tabs and spaces
+ syn match pythonSpaceError display " \+\t"
+ syn match pythonSpaceError display "\t\+ "
+endif
+
+" Do not spell doctests inside strings.
+" Notice that the end of a string, either ''', or """, will end the contained
+" doctest too. Thus, we do *not* need to have it as an end pattern.
+if !exists("python_no_doctest_highlight")
+ if !exists("python_no_doctest_code_higlight")
+ syn region pythonDoctest
+ \ start="^\s*>>>\s" end="^\s*$"
+ \ 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: