[antlr-interest] Set encoding for python target
Rene Liebscher
R.Liebscher at gmx.de
Wed Nov 26 01:36:21 PST 2008
Hi,
I just use antlr for writing a parser for a small expression language.
In this language I have a function called 'LÄNGE' (the german word for length).
This also shows up in the resulting code for the lexer. However this is not ascii so python complains about it.
------
$ python Lexer.py
File "Lexer.py", line 1414
SyntaxError: Non-ASCII character '\xc4' in file Lexer.py on line 1414, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details
------
The solution is to add a line like
-----
# coding: latin1
-----
as first or second line in the generated file.
Is there a way to set this from the grammar file?
Kind regards
René Liebscher
PS: One could think encoding it as 'L\u00c4NGE' in the grammar file, but this results in "L\u00c4NGE" in the python file, where it had to be u"L\u00c4NGE" to accept the \u.
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