[GNU Global] new issue - langmap exceptions in pygments_parser.py

 Hi,

Running global on Windows, I encountered this:

-------------------------------
E:\Lesson\lesson>gtags
Traceback (most recent call last):
  File "d:\acm\github\support\tools\gtags\bin\../share/gtags/script/pygments_parser.py",
line 259, in <module>
    main()
  File "d:\acm\github\support\tools\gtags\bin\../share/gtags/script/pygments_parser.py",
line 256, in main
    handle_requests(langmap, parser_options)
  File "d:\acm\github\support\tools\gtags\bin\../share/gtags/script/pygments_parser.py",
line 218, in handle_requests
    tags = parser.parse(path)
  File "d:\acm\github\support\tools\gtags\bin\../share/gtags/script/pygments_parser.py",
line 175, in parse
    ref_result = self.ref_parser.parse(path)
  File "d:\acm\github\support\tools\gtags\bin\../share/gtags/script/pygments_parser.py",
line 104, in parse
    lexer = self.get_lexer_by_langmap(path)
  File "d:\acm\github\support\tools\gtags\bin\../share/gtags/script/pygments_parser.py",
line 114, in get_lexer_by_langmap
    lang = self.langmap[ext]
KeyError: '.Bat'
gtags: unexpected EOF.
--------------------------

it appears that a '.bat' file is not recognized by self.langmap.

after looking into pygments_parser.py, I found:

---------------------------------------------
    def get_lexer_by_langmap(self, path):
        ext = os.path.splitext(path)[1]
 ->   lang = self.langmap[ext]
        if lang:
            name = lang.lower()
            if name in LANGUAGE_ALIASES:
                name = LANGUAGE_ALIASES[name]
            lexer = pygments.lexers.get_lexer_by_name(name)
            return lexer
        return None
---------------------------------------------

line 114 cannot handle extnames which don't exist in the langmap, and
should be fixed as:

-     lang = self.langmap[ext]
+     lang = self.langmap.get(ext, None)


------------------------------
skywind3000

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