etc404
30 lines
1021 B
Python
30 lines
1021 B
Python
import reader
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import sys
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### REPL.PY
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### Autumn Wolf
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### 04/26/26
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### CSE3024
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# This file is the main driver code for the interpreter, acting as an entrypoint for the program and handling
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# terminal-side interaction and argument handling.
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def main():
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print("Welcome to the lisp interpreter! REPL expression results will be stored in an output file, output.txt by default. This can be overridden by passing an argument to the program.\n"
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"Enter (quit) to exit the program. Supported functionality includes mathematical operations, conditional statements, variables, user-defined functions, logical operations, and list manipulation.")
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outputfile = "output.txt" if len(sys.argv) == 1 else sys.argv[1]
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interpreter = reader.Reader(outputfile)
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# REPL Loop
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while True:
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try:
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expression: str = input("> ").upper()
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except KeyboardInterrupt:
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print("\n>> bye")
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return
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except EOFError:
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print("\n>> bye")
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return
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interpreter.tokenize(expression)
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interpreter.run()
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if __name__ == "__main__":
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main() |