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-rw-r--r--pygments/lexers/shell.py15
1 files changed, 9 insertions, 6 deletions
diff --git a/pygments/lexers/shell.py b/pygments/lexers/shell.py
index ae790b9e..e50f7673 100644
--- a/pygments/lexers/shell.py
+++ b/pygments/lexers/shell.py
@@ -5,7 +5,7 @@
Lexers for various shells.
- :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
+ :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
@@ -68,7 +68,7 @@ class BashLexer(RegexLexer):
(r'\A#!.+\n', Comment.Hashbang),
(r'#.*\n', Comment.Single),
(r'\\[\w\W]', String.Escape),
- (r'(\b\w+)(\s*)(=)', bygroups(Name.Variable, Text, Operator)),
+ (r'(\b\w+)(\s*)(\+?=)', bygroups(Name.Variable, Text, Operator)),
(r'[\[\]{}()=]', Operator),
(r'<<<', Operator), # here-string
(r'<<-?\s*(\'?)\\?(\w+)[\w\W]+?\2', String),
@@ -478,13 +478,16 @@ class BatchLexer(RegexLexer):
using(this, state='variable')), '#pop'),
(r'(exist%s)(%s%s)' % (_token_terminator, _space, _stoken),
bygroups(Keyword, using(this, state='text')), '#pop'),
- (r'(%s%s?)(==)(%s?%s)' % (_stoken, _space, _space, _stoken),
- bygroups(using(this, state='text'), Operator,
- using(this, state='text')), '#pop'),
(r'(%s%s)(%s)(%s%s)' % (_number, _space, _opword, _space, _number),
bygroups(using(this, state='arithmetic'), Operator.Word,
using(this, state='arithmetic')), '#pop'),
- (r'(%s%s)(%s)(%s%s)' % (_stoken, _space, _opword, _space, _stoken),
+ (_stoken, using(this, state='text'), ('#pop', 'if2')),
+ ],
+ 'if2': [
+ (r'(%s?)(==)(%s?%s)' % (_space, _space, _stoken),
+ bygroups(using(this, state='text'), Operator,
+ using(this, state='text')), '#pop'),
+ (r'(%s)(%s)(%s%s)' % (_space, _opword, _space, _stoken),
bygroups(using(this, state='text'), Operator.Word,
using(this, state='text')), '#pop')
],