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Bytecode parity - folding, class prologue, except cleanup · RustPython/RustPython@e21cabc · GitHub
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Bytecode parity - folding, class prologue, except cleanup
Constant folding: - Add string/bytes multiply and bytes concat folding in IR - Add constant subscript folding (str, bytes, tuple indexing) - Delegate list/set constant folding to IR passes - Stream big non-const list/set via BUILD+LIST_APPEND Class/generic compilation: - Reorder class body prologue: __type_params__ before __classdict__ - Build class function before .generic_base in generic classes - Register .type_params/.generic_base symbols in proper scopes - Use load_name/store_name helpers for synthetic variables Return block handling: - Only duplicate return-None epilogues, not arbitrary returns - Add inline_pop_except_return_blocks pass - Add duplicate_named_except_cleanup_returns pass Other fixes: - Fix eliminate_dead_stores to only collapse adjacent duplicates - Skip STORE_FAST_LOAD_FAST superinstruction in generators after FOR_ITER - Thread jumps through NOP-only blocks - Transfer NOP line info to following unconditional jumps - Extract scope_needs_conditional_annotations_cell helper - Register __conditional_annotations__ for module future annotations
1 parent c79baa3 commit e21cabc

8 files changed

Lines changed: 598 additions & 163 deletions

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‎Lib/test/test_compile.py‎

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@@ -2576,15 +2576,13 @@ def test_if_else(self):
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def test_binop(self):
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self.check_stack_size("x + " * self.N + "x")
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@unittest.expectedFailure # TODO: RUSTPYTHON; AssertionError: 101 not less than or equal to 6
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def test_list(self):
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self.check_stack_size("[" + "x, " * self.N + "x]")
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@unittest.expectedFailure # TODO: RUSTPYTHON; AssertionError: 101 not less than or equal to 6
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def test_tuple(self):
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self.check_stack_size("(" + "x, " * self.N + "x)")
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@unittest.expectedFailure # TODO: RUSTPYTHON; AssertionError: 101 not less than or equal to 6
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def test_set(self):
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self.check_stack_size("{" + "x, " * self.N + "x}")
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‎Lib/test/test_peepholer.py‎

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@@ -441,7 +441,6 @@ def test_constant_folding_binop(self):
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self.check_lnotab(code)
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@unittest.expectedFailure # TODO: RUSTPYTHON
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def test_constant_folding_remove_nop_location(self):
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sources = [
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"""

‎Lib/test/test_tstring.py‎

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@@ -111,7 +111,6 @@ def test_conversions(self):
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with self.assertRaises(SyntaxError):
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eval("t'{num!z}'")
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@unittest.expectedFailure # TODO: RUSTPYTHON; ? ++++++
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def test_debug_specifier(self):
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# Test debug specifier
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value = 42

‎Lib/test/test_typing.py‎

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@@ -4697,7 +4697,6 @@ class D(Generic[T]): pass
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with self.assertRaises(TypeError):
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D[()]
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@unittest.expectedFailure # TODO: RUSTPYTHON
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def test_generic_init_subclass_not_called_error(self):
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notes = ["Note: this exception may have been caused by "
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r"'GenericTests.test_generic_init_subclass_not_called_error.<locals>.Base.__init_subclass__' "

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