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gh-112720: Move instruction formatting from the dis.Instruction class to a new class dis.InstructionFormatter. Add the ArgResolver class. (#112722)

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Irit Katriel 2023-12-09 10:03:02 +00:00 • committed by GitHub
parent 10e9bb13b8
commit c98c40227e
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2 changed files with 231 additions and 204 deletions
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15
Lib/test/test_dis.py
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@ -1785,6 +1785,12 @@ class InstructionTests(InstructionTestCase):
super().__init__(*args)
self.maxDiff = None
def test_instruction_str(self):
# smoke test for __str__
instrs = dis.get_instructions(simple)
for instr in instrs:
str(instr)
def test_default_first_line(self):
actual = dis.get_instructions(simple)
self.assertInstructionsEqual(list(actual), expected_opinfo_simple)
@ -1955,15 +1961,16 @@ class InstructionTests(InstructionTestCase):
self.assertEqual(10 + 2 + 1*2 + 100*2, instruction.jump_target)
def test_argval_argrepr(self):
def f(*args):
return dis.Instruction._get_argval_argrepr(
*args, labels_map={24: 1})
def f(opcode, oparg, offset, *init_args):
arg_resolver = dis.ArgResolver(*init_args)
return arg_resolver.get_argval_argrepr(opcode, oparg, offset)
offset = 42
co_consts = (0, 1, 2, 3)
names = {1: 'a', 2: 'b'}
varname_from_oparg = lambda i : names[i]
args = (offset, co_consts, names, varname_from_oparg)
labels_map = {24: 1}
args = (offset, co_consts, names, varname_from_oparg, labels_map)
self.assertEqual(f(opcode.opmap["POP_TOP"], None, *args), (None, ''))
self.assertEqual(f(opcode.opmap["LOAD_CONST"], 1, *args), (1, '1'))
self.assertEqual(f(opcode.opmap["LOAD_GLOBAL"], 2, *args), ('a', 'a'))