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Align symtable flag names with CPython by ShaharNaveh · Pull Request #8184 · RustPython/RustPython · GitHub

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Align symtable flag names with CPython #8184

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Merged
youknowone merged 12 commits into from
Jul 2, 2026
Conversation 7 Commits 12 Checks 26 Files changed
Merged

Align symtable flag names with CPython #8184

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7a53285
ASSIGNED -> DEF_LOCAL
ShaharNaveh Jun 27, 2026
d84717a
GLOBAL -> DEF_GLOBAL
ShaharNaveh Jun 27, 2026
a75c55b
REFERENCED -> USE
ShaharNaveh Jun 27, 2026
70e834c
PARAMETER -> DEF_PARAM
ShaharNaveh Jun 27, 2026
fd2a934
expose symbol flags directly as a pyattr
ShaharNaveh Jun 27, 2026
5d36d38
FREE_CLASS -> DEF_FREE_CLASS
ShaharNaveh Jun 27, 2026
c3b424c
IMPORTED -> DEF_IMPORT
ShaharNaveh Jun 27, 2026
3c2480b
ANNOTATED -> DEF_ANNOT
ShaharNaveh Jun 27, 2026
d25ca85
DEF_COMP_ITER DEF_COMP_CELL DEF_TYPE_PARAM
ShaharNaveh Jun 27, 2026
037f05e
DEF_NONLOCAL DEF_BOUND
ShaharNaveh Jun 27, 2026
6678195
Align flag values
ShaharNaveh Jun 27, 2026
560b9cb
unmark passing tests
ShaharNaveh Jun 27, 2026
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3 changes: 0 additions & 3 deletions Lib/test/test_symtable.py
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,6 @@ def test_globals(self):
self.assertTrue(self.top.lookup("some_non_assigned_global_var").is_global())
self.assertTrue(self.top.lookup("some_assigned_global_var").is_global())

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_nonlocal(self):
self.assertFalse(self.spam.lookup("some_var").is_nonlocal())
self.assertTrue(self.other_internal.lookup("some_var").is_nonlocal())
Expand All @@ -288,7 +287,6 @@ def test_local(self):
def test_free(self):
self.assertTrue(self.internal.lookup("x").is_free())

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_referenced(self):
self.assertTrue(self.internal.lookup("x").is_referenced())
self.assertTrue(self.spam.lookup("internal").is_referenced())
Expand Down Expand Up @@ -358,7 +356,6 @@ def test_annotated(self):
' x: int',
'test', 'exec')

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_imported(self):
self.assertTrue(self.top.lookup("sys").is_imported())

Expand Down
24 changes: 12 additions & 12 deletions crates/codegen/src/compile.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1389,7 +1389,7 @@ impl<'warnings> Compiler<'warnings> {
self.symbol_table_stack
.first()
.and_then(|table| table.symbols.get(name))
.is_some_and(|sym| sym.flags.contains(SymbolFlags::IMPORTED))
.is_some_and(|sym| sym.flags.contains(SymbolFlags::DEF_IMPORT))
}

/// Get the cell-relative index of a free variable.
Expand Down Expand Up @@ -1667,10 +1667,10 @@ impl<'warnings> Compiler<'warnings> {
}

// Check if __class__ is available as a cell/free variable
// The scope must be Free (from enclosing class) or have FREE_CLASS flag
// The scope must be Free (from enclosing class) or have DEF_FREE_CLASS flag
if let Some(symbol) = table.lookup("__class__") {
if symbol.scope != SymbolScope::Free
&& !symbol.flags.contains(SymbolFlags::FREE_CLASS)
&& !symbol.flags.contains(SymbolFlags::DEF_FREE_CLASS)
{
return None;
}
Expand Down Expand Up @@ -1788,7 +1788,7 @@ impl<'warnings> Compiler<'warnings> {
.symbols
.iter()
.filter(|(_, s)| {
s.scope == SymbolScope::Cell || s.flags.contains(SymbolFlags::COMP_CELL)
s.scope == SymbolScope::Cell || s.flags.contains(SymbolFlags::DEF_COMP_CELL)
})
.map(|(name, _)| name.clone())
.collect();
Expand Down Expand Up @@ -1836,9 +1836,9 @@ impl<'warnings> Compiler<'warnings> {
.filter(|(_, s)| {
s.scope == SymbolScope::Free
|| (scope_type != CompilerScope::Class
&& s.flags.contains(SymbolFlags::FREE_CLASS))
&& s.flags.contains(SymbolFlags::DEF_FREE_CLASS))
|| (scope_type == CompilerScope::Class
&& s.flags.contains(SymbolFlags::FREE_CLASS)
&& s.flags.contains(SymbolFlags::DEF_FREE_CLASS)
&& self.has_enclosing_non_module_code_scope())
})
.filter(|(name, symbol)| {
Expand Down Expand Up @@ -3048,7 +3048,7 @@ impl<'warnings> Compiler<'warnings> {
.rev()
.find(|table| table.typ == CompilerScope::Class)
.and_then(|table| table.lookup(name.as_ref()))
.is_some_and(|symbol| symbol.flags.contains(SymbolFlags::GLOBAL));
.is_some_and(|symbol| symbol.flags.contains(SymbolFlags::DEF_GLOBAL));

(
symbol.map(|s| s.scope),
Expand Down Expand Up @@ -5513,7 +5513,7 @@ impl<'warnings> Compiler<'warnings> {
Some(symbol) => match symbol.scope {
SymbolScope::Cell => Ok(SymbolScope::Cell),
SymbolScope::Free => Ok(SymbolScope::Free),
_ if symbol.flags.contains(SymbolFlags::FREE_CLASS) => Ok(SymbolScope::Free),
_ if symbol.flags.contains(SymbolFlags::DEF_FREE_CLASS) => Ok(SymbolScope::Free),
_ => Err(CodegenErrorType::SyntaxError(format!(
"get_ref_type: invalid scope for '{name}'"
))),
Expand Down Expand Up @@ -10804,13 +10804,13 @@ impl<'warnings> Compiler<'warnings> {
let mut pushed_locals: Vec<String> = Vec::new();
let mut fast_hidden_locals: Vec<String> = Vec::new();
for (name, sym) in &comp_table.symbols {
if sym.flags.contains(SymbolFlags::PARAMETER) {
if sym.flags.contains(SymbolFlags::DEF_PARAM) {
continue; // skip .0
}
let is_local = sym
.flags
.intersects(SymbolFlags::ASSIGNED | SymbolFlags::ITER)
&& !sym.flags.contains(SymbolFlags::NONLOCAL);
.intersects(SymbolFlags::DEF_LOCAL | SymbolFlags::ITER)
&& !sym.flags.contains(SymbolFlags::DEF_NONLOCAL);
if is_local {
pushed_locals.push(name.clone());
}
Expand All @@ -10824,7 +10824,7 @@ impl<'warnings> Compiler<'warnings> {
// module/class scopes, also enable temporary fast locals for
// comprehension-bound names only.
for (name, comp_sym) in &comp_table.symbols {
if comp_sym.flags.contains(SymbolFlags::PARAMETER) {
if comp_sym.flags.contains(SymbolFlags::DEF_PARAM) {
continue; // skip .0
}
let comp_scope = comp_sym.scope;
Expand Down
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