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https://github.com/mudabbir-ahmad/MYOL-TB2-prog3-Py.git
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28 lines
574 B
Python
28 lines
574 B
Python
import sys
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from antlr4 import *
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from HelloLexer import HelloLexer
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from HelloParser import HelloParser
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from HelloListener import HelloListener
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from antlr4.tree.Trees import Trees
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def main(argv):
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if len(argv) == 1:
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InputStream = StdinStream()
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else:
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inpname = argv[1]
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InputStream = FileStream(inpname)
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lexer = HelloLexer(InputStream)
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tokstream = CommonTokenStream(lexer)
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parser = HelloParser(tokstream)
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tree = parser.start()
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print(Trees.toStringTree(tree, None, parser))
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if __name__ == '__main__':
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main(sys.argv)
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