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26 lines
775 B
Python
26 lines
775 B
Python
# Copyright (c) 2020 Rocky Bernstein
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def while1elsestmt(
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self, lhs, n, rule, ast, tokens, first, last
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) -> bool:
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if last == n:
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# Adjust for fuzziness in parsing
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last -= 1
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if tokens[last] == "COME_FROM_LOOP":
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last -= 1
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elif tokens[last - 1] == "COME_FROM_LOOP":
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last -= 2
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if tokens[last] in ("JUMP_BACK", "CONTINUE"):
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# These indicate inside a loop, but token[last]
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# should not be in a loop.
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# FIXME: Not quite right: refine by using target
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return True
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# if SETUP_LOOP target spans the else part, then this is
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# not while1else. Also do for whileTrue?
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last += 1
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# 3.8+ Doesn't have SETUP_LOOP
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return self.version < 3.8 and tokens[first].attr > tokens[last].off2int()
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