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Differentiate between asm!(), global_asm!() and naked_asm!(), and make only asm!() unsafe

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This commit is contained in:
Chayim Refael Friedman 2025-07-09 17:37:27 +03:00
parent edb804a100
commit bd8087e86e
16 changed files with 198 additions and 16 deletions
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34
crates/hir-expand/src/builtin/fn_macro.rs
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@ -125,8 +125,8 @@ register_builtin! {
(assert, Assert) => assert_expand,
(stringify, Stringify) => stringify_expand,
(asm, Asm) => asm_expand,
(global_asm, GlobalAsm) => asm_expand,
(naked_asm, NakedAsm) => asm_expand,
(global_asm, GlobalAsm) => global_asm_expand,
(naked_asm, NakedAsm) => naked_asm_expand,
(cfg, Cfg) => cfg_expand,
(core_panic, CorePanic) => panic_expand,
(std_panic, StdPanic) => panic_expand,
@ -325,6 +325,36 @@ fn asm_expand(
ExpandResult::ok(expanded)
}
fn global_asm_expand(
_db: &dyn ExpandDatabase,
_id: MacroCallId,
tt: &tt::TopSubtree,
span: Span,
) -> ExpandResult<tt::TopSubtree> {
let mut tt = tt.clone();
tt.top_subtree_delimiter_mut().kind = tt::DelimiterKind::Parenthesis;
let pound = mk_pound(span);
let expanded = quote! {span =>
builtin #pound global_asm #tt
};
ExpandResult::ok(expanded)
}
fn naked_asm_expand(
_db: &dyn ExpandDatabase,
_id: MacroCallId,
tt: &tt::TopSubtree,
span: Span,
) -> ExpandResult<tt::TopSubtree> {
let mut tt = tt.clone();
tt.top_subtree_delimiter_mut().kind = tt::DelimiterKind::Parenthesis;
let pound = mk_pound(span);
let expanded = quote! {span =>
builtin #pound naked_asm #tt
};
ExpandResult::ok(expanded)
}
fn cfg_expand(
db: &dyn ExpandDatabase,
id: MacroCallId,