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import sys
import antlr
import codecs
import xml_l
def warn(msg):
print >>sys.stderr,"warning:",msg
sys.stderr.flush()
def error(msg):
print >>sys.stderr,"got error:",msg
sys.stderr.flush()
### Xml handling depends very much on whether
### your terminal can handle (print) xml chars.
### To be sure about it, just create a non ASCII
### letter and try to print it. If that is not going
### to work, we create an alternative method which
### maps non printable chars to '?'.
c = u"\N{LATIN SMALL LETTER O WITH ACUTE}"
try:
print c
except:
warn("terminal can't display unicode chars.")
sys.stderr.flush()
## I'm just going to redefine 'unicode' to return
## a ASCII string.
def unicode(x):
return x.__str__().encode("ascii","replace")
### Now for the input. This should ideally be done
### in the lexer ..
### replace stdin with a wrapper that spits out
### unicode chars.
sys.stdin = codecs.lookup('latin1')[-2](sys.stdin)
for token in xml_l.Lexer() :
pass
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