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filter out doc strings with opt level 2 as final step to enable test_builtin.py test_compile #5274

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Merged
merged 1 commit into from
Apr 25, 2024
Merged

filter out doc strings with opt level 2 as final step to enable test_builtin.py test_compile #5274

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2 changes: 0 additions & 2 deletions Lib/test/test_builtin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -327,8 +327,6 @@ def test_chr(self):
def test_cmp(self):
self.assertTrue(not hasattr(builtins, "cmp"))

# TODO: RUSTPYTHON optval=2 does not remove docstrings
@unittest.expectedFailure
def test_compile(self):
compile('print(1)\n', '', 'exec')
bom = b'\xef\xbb\xbf'
Expand Down
17 changes: 12 additions & 5 deletions compiler/codegen/src/compile.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -349,7 +349,7 @@ impl Compiler {
let size_before = self.code_stack.len();
self.symbol_table_stack.push(symbol_table);

let (doc, statements) = split_doc(body);
let (doc, statements) = split_doc(body, &self.opts);
if let Some(value) = doc {
self.emit_constant(ConstantData::Str { value });
let doc = self.name("__doc__");
Expand Down Expand Up @@ -1187,7 +1187,7 @@ impl Compiler {
let qualified_name = self.qualified_path.join(".");
self.push_qualified_path("<locals>");

let (doc_str, body) = split_doc(body);
let (doc_str, body) = split_doc(body, &self.opts);

self.current_code_info()
.constants
Expand Down Expand Up @@ -1383,7 +1383,7 @@ impl Compiler {

self.push_output(bytecode::CodeFlags::empty(), 0, 0, 0, name.to_owned());

let (doc_str, body) = split_doc(body);
let (doc_str, body) = split_doc(body, &self.opts);

let dunder_name = self.name("__name__");
emit!(self, Instruction::LoadGlobal(dunder_name));
Expand Down Expand Up @@ -2875,10 +2875,17 @@ impl EmitArg<bytecode::Label> for ir::BlockIdx {
}
}

fn split_doc(body: &[located_ast::Stmt]) -> (Option<String>, &[located_ast::Stmt]) {
fn split_doc<'a>(
body: &'a [located_ast::Stmt],
opts: &CompileOpts,
) -> (Option<String>, &'a [located_ast::Stmt]) {
if let Some((located_ast::Stmt::Expr(expr), body_rest)) = body.split_first() {
if let Some(doc) = try_get_constant_string(std::slice::from_ref(&expr.value)) {
return (Some(doc), body_rest);
if opts.optimize < 2 {
return (Some(doc), body_rest);
} else {
return (None, body_rest);
}
}
}
(None, body)
Expand Down