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15 lines
315 B
Plaintext
15 lines
315 B
Plaintext
--- step1_read_print ----------------------------
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import reader, printer
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READ(str): return reader.read_str(str)
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EVAL(ast,env): return ast
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PRINT(exp): return printer.pr_str(exp)
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rep(str): return PRINT(EVAL(READ(str),""))
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main loop:
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try: println(rep(readline("user> ")))
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catch e: println("Error: ", e)
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