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import sys
import traceback
import antlr
import SimpleLexer
import SimpleParser
import SimpleParser2
lexer = None
parser = None
parser2 = None
class Main:
global lexer, parser, parser2
def __init__(self):
try:
lexer = SimpleLexer.Lexer(sys.stdin);
# Invoke first parser
sys.stdout.write("first parser" + '\n')
parser = SimpleParser.Parser(lexer)
parser.simple();
# Now we need to get the inputState from the first parser
# this includes data about guessing and stuff like it.
# If we don't do this and create the second parser
# with just the lexer object we might (doh! will!) miss tokens
# read for lookahead tests.
self.inputstate = parser.getInputState()
# When first parser runs out, invoke secnond parser
sys.stdout.write("second parser" + '\n')
parser2 = SimpleParser2.Parser(self.inputstate)
parser2.simple()
except antlr.ANTLRException, e:
sys.stderr.write("exception: " + str(e) + '\n')
#apply(traceback.print_exception, sys.exc_info())
except Exception, e:
sys.stderr.write("exception: " + str(e) + '\n')
#apply(traceback.print_exception, sys.exc_info())
if __name__ == '__main__':
Main()
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