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Disallow frontmatter in --cfg and --check-cfg arguments

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This commit is contained in:
Urgau
2025-09-02 22:58:11 +02:00
parent 94722cabf4
commit 0fa93a3434
5 changed files with 65 additions and 6 deletions
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6
compiler/rustc_interface/src/interface.rs
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@@ -13,7 +13,7 @@ use rustc_lint::LintStore;
use rustc_middle::ty;
use rustc_middle::ty::CurrentGcx;
use rustc_middle::util::Providers;
use rustc_parse::new_parser_from_source_str;
use rustc_parse::new_parser_from_simple_source_str;
use rustc_parse::parser::attr::AllowLeadingUnsafe;
use rustc_query_impl::QueryCtxt;
use rustc_query_system::query::print_query_stack;
@@ -68,7 +68,7 @@ pub(crate) fn parse_cfg(dcx: DiagCtxtHandle<'_>, cfgs: Vec<String>) -> Cfg {
};
}
match new_parser_from_source_str(&psess, filename, s.to_string()) {
match new_parser_from_simple_source_str(&psess, filename, s.to_string()) {
Ok(mut parser) => match parser.parse_meta_item(AllowLeadingUnsafe::No) {
Ok(meta_item) if parser.token == token::Eof => {
if meta_item.path.segments.len() != 1 {
@@ -166,7 +166,7 @@ pub(crate) fn parse_check_cfg(dcx: DiagCtxtHandle<'_>, specs: Vec<String>) -> Ch
error!("expected `cfg(name, values(\"value1\", \"value2\", ... \"valueN\"))`")
};
let mut parser = match new_parser_from_source_str(&psess, filename, s.to_string()) {
let mut parser = match new_parser_from_simple_source_str(&psess, filename, s.to_string()) {
Ok(parser) => parser,
Err(errs) => {
errs.into_iter().for_each(|err| err.cancel());