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Simplify scanner2 so it relies less on custimize dict

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rocky
2017-12-13 21:01:58 -05:00
parent aac793af09
commit 303e134359
2 changed files with 24 additions and 43 deletions
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18
uncompyle6/scanners/scanner2.py
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@@ -98,11 +98,8 @@ class Scanner2(Scanner):
# list of tokens/instructions
tokens = []
# "customize" is a dict whose keys are nonterminals
# and the value is the argument stack entries for that
# nonterminal. The count is a little hoaky. It is mostly
# not used, but sometimes it is.
# "customize" is a dict whose keys are nonterminals
# "customize" is ny pretty much legacy.
# We still use it though to signal we have a PyPy program
customize = {}
if self.is_pypy:
@@ -249,17 +246,6 @@ class Scanner2(Scanner):
op_name = 'BUILD_MAP_n'
else:
op_name = '%s_%d' % (op_name, oparg)
customize[op_name] = oparg
elif self.is_pypy and op_name in frozenset(
"""LOOKUP_METHOD JUMP_IF_NOT_DEBUG SETUP_EXCEPT SETUP_FINALLY""".split()):
# The value in the dict is in special cases in semantic actions, such
# as CALL_FUNCTION. The value is not used in these cases, so we put
# in arbitrary value 0.
customize[op_name] = 0
elif op_name in """
CONTINUE_LOOP EXEC_STMT LOAD_LISTCOMP LOAD_SETCOMP
""".split():
customize[op_name] = 0
elif op == self.opc.JUMP_ABSOLUTE:
# Further classify JUMP_ABSOLUTE into backward jumps
# which are used in loops, and "CONTINUE" jumps which