mirror of
https://github.com/rust-lang/rust.git
synced 2026-04-26 13:01:27 +03:00
Emit error when using path-segment keyword as cfg pred
This commit is contained in:
mu001999
@@ -82,7 +82,8 @@ pub fn parse_cfg_entry<S: Stage>(
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}
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},
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a @ (ArgParser::NoArgs | ArgParser::NameValue(_)) => {
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let Some(name) = meta.path().word_sym() else {
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let Some(name) = meta.path().word_sym().filter(|s| !s.is_path_segment_keyword())
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else {
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return Err(cx.expected_identifier(meta.path().span()));
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};
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parse_name_value(name, meta.path().span(), a.name_value(), meta.span(), cx)?
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@@ -158,7 +159,7 @@ fn parse_cfg_entry_target<S: Stage>(
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};
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// Then, parse it as a name-value item
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let Some(name) = sub_item.path().word_sym() else {
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let Some(name) = sub_item.path().word_sym().filter(|s| !s.is_path_segment_keyword()) else {
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return Err(cx.expected_identifier(sub_item.path().span()));
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};
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let name = Symbol::intern(&format!("target_{name}"));
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@@ -220,7 +220,10 @@ pub fn eval_condition(
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}
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}
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}
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MetaItemKind::Word | MetaItemKind::NameValue(..) if cfg.path.segments.len() != 1 => {
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MetaItemKind::Word | MetaItemKind::NameValue(..)
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if cfg.path.segments.len() != 1
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|| cfg.path.segments[0].ident.is_path_segment_keyword() =>
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{
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dcx.emit_err(session_diagnostics::CfgPredicateIdentifier { span: cfg.path.span });
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true
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}
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@@ -532,30 +532,24 @@ fn translator(&self) -> &Translator {
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}
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}
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/// An emitter that does nothing when emitting a non-fatal diagnostic.
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/// Fatal diagnostics are forwarded to `fatal_emitter` to avoid silent
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/// failures of rustc, as witnessed e.g. in issue #89358.
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pub struct FatalOnlyEmitter {
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pub fatal_emitter: Box<dyn Emitter + DynSend>,
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pub fatal_note: Option<String>,
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/// An emitter that adds a note to each diagnostic.
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pub struct EmitterWithNote {
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pub emitter: Box<dyn Emitter + DynSend>,
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pub note: String,
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}
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impl Emitter for FatalOnlyEmitter {
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impl Emitter for EmitterWithNote {
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fn source_map(&self) -> Option<&SourceMap> {
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None
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}
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fn emit_diagnostic(&mut self, mut diag: DiagInner, registry: &Registry) {
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if diag.level == Level::Fatal {
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if let Some(fatal_note) = &self.fatal_note {
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diag.sub(Level::Note, fatal_note.clone(), MultiSpan::new());
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}
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self.fatal_emitter.emit_diagnostic(diag, registry);
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}
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diag.sub(Level::Note, self.note.clone(), MultiSpan::new());
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self.emitter.emit_diagnostic(diag, registry);
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}
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fn translator(&self) -> &Translator {
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self.fatal_emitter.translator()
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self.emitter.translator()
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}
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}
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@@ -15,6 +15,7 @@
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use rustc_middle::util::Providers;
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use rustc_parse::lexer::StripTokens;
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use rustc_parse::new_parser_from_source_str;
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use rustc_parse::parser::Recovery;
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use rustc_parse::parser::attr::AllowLeadingUnsafe;
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use rustc_query_impl::QueryCtxt;
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use rustc_query_system::query::print_query_stack;
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@@ -52,9 +53,9 @@ pub struct Compiler {
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pub(crate) fn parse_cfg(dcx: DiagCtxtHandle<'_>, cfgs: Vec<String>) -> Cfg {
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cfgs.into_iter()
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.map(|s| {
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let psess = ParseSess::with_fatal_emitter(
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let psess = ParseSess::emitter_with_note(
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vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE],
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format!("this error occurred on the command line: `--cfg={s}`"),
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format!("this occurred on the command line: `--cfg={s}`"),
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);
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let filename = FileName::cfg_spec_source_code(&s);
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@@ -62,36 +63,46 @@ macro_rules! error {
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($reason: expr) => {
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#[allow(rustc::untranslatable_diagnostic)]
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#[allow(rustc::diagnostic_outside_of_impl)]
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dcx.fatal(format!(
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concat!("invalid `--cfg` argument: `{}` (", $reason, ")"),
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s
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));
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dcx.fatal(format!("invalid `--cfg` argument: `{s}` ({})", $reason));
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};
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}
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match new_parser_from_source_str(&psess, filename, s.to_string(), StripTokens::Nothing)
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{
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Ok(mut parser) => match parser.parse_meta_item(AllowLeadingUnsafe::No) {
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Ok(meta_item) if parser.token == token::Eof => {
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if meta_item.path.segments.len() != 1 {
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error!("argument key must be an identifier");
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}
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match &meta_item.kind {
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MetaItemKind::List(..) => {}
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MetaItemKind::NameValue(lit) if !lit.kind.is_str() => {
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error!("argument value must be a string");
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Ok(mut parser) => {
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parser = parser.recovery(Recovery::Forbidden);
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match parser.parse_meta_item(AllowLeadingUnsafe::No) {
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Ok(meta_item)
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if parser.token == token::Eof
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&& parser.dcx().has_errors().is_none() =>
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{
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if meta_item.path.segments.len() != 1 {
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error!("argument key must be an identifier");
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}
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MetaItemKind::NameValue(..) | MetaItemKind::Word => {
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let ident = meta_item.ident().expect("multi-segment cfg key");
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return (ident.name, meta_item.value_str());
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match &meta_item.kind {
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MetaItemKind::List(..) => {}
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MetaItemKind::NameValue(lit) if !lit.kind.is_str() => {
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error!("argument value must be a string");
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}
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MetaItemKind::NameValue(..) | MetaItemKind::Word => {
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let ident = meta_item.ident().expect("multi-segment cfg key");
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if ident.is_path_segment_keyword() {
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error!(
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"malformed `cfg` input, expected a valid identifier"
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);
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}
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return (ident.name, meta_item.value_str());
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}
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}
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}
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Ok(..) => {}
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Err(err) => err.cancel(),
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}
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Ok(..) => {}
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Err(err) => err.cancel(),
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},
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}
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Err(errs) => errs.into_iter().for_each(|err| err.cancel()),
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}
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};
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// If the user tried to use a key="value" flag, but is missing the quotes, provide
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// a hint about how to resolve this.
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@@ -116,9 +127,9 @@ pub(crate) fn parse_check_cfg(dcx: DiagCtxtHandle<'_>, specs: Vec<String>) -> Ch
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let mut check_cfg = CheckCfg { exhaustive_names, exhaustive_values, ..CheckCfg::default() };
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for s in specs {
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let psess = ParseSess::with_fatal_emitter(
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let psess = ParseSess::emitter_with_note(
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vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE],
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format!("this error occurred on the command line: `--check-cfg={s}`"),
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format!("this occurred on the command line: `--check-cfg={s}`"),
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);
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let filename = FileName::cfg_spec_source_code(&s);
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@@ -171,7 +182,7 @@ macro_rules! error {
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let mut parser =
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match new_parser_from_source_str(&psess, filename, s.to_string(), StripTokens::Nothing)
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{
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Ok(parser) => parser,
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Ok(parser) => parser.recovery(Recovery::Forbidden),
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Err(errs) => {
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errs.into_iter().for_each(|err| err.cancel());
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expected_error();
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@@ -179,7 +190,9 @@ macro_rules! error {
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};
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let meta_item = match parser.parse_meta_item(AllowLeadingUnsafe::No) {
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Ok(meta_item) if parser.token == token::Eof => meta_item,
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Ok(meta_item) if parser.token == token::Eof && parser.dcx().has_errors().is_none() => {
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meta_item
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}
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Ok(..) => expected_error(),
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Err(err) => {
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err.cancel();
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@@ -209,6 +222,11 @@ macro_rules! error {
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if values_specified {
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error!("`cfg()` names cannot be after values");
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}
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if ident.is_path_segment_keyword() {
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error!("malformed `cfg` input, expected a valid identifier");
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}
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names.push(ident);
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} else if let Some(boolean) = arg.boolean_literal() {
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if values_specified {
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@@ -466,7 +466,7 @@ fn expect_one_of(
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// Public for rustfmt usage.
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pub fn parse_ident(&mut self) -> PResult<'a, Ident> {
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self.parse_ident_common(true)
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self.parse_ident_common(self.may_recover())
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}
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fn parse_ident_common(&mut self, recover: bool) -> PResult<'a, Ident> {
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@@ -8,7 +8,7 @@
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use rustc_ast::node_id::NodeId;
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use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet};
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use rustc_data_structures::sync::{AppendOnlyVec, Lock};
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use rustc_errors::emitter::{FatalOnlyEmitter, HumanEmitter, stderr_destination};
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use rustc_errors::emitter::{EmitterWithNote, HumanEmitter, stderr_destination};
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use rustc_errors::translation::Translator;
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use rustc_errors::{
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BufferedEarlyLint, ColorConfig, DecorateDiagCompat, Diag, DiagCtxt, DiagCtxtHandle,
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@@ -315,16 +315,12 @@ pub fn with_dcx(dcx: DiagCtxt, source_map: Arc<SourceMap>) -> Self {
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}
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}
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pub fn with_fatal_emitter(locale_resources: Vec<&'static str>, fatal_note: String) -> Self {
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pub fn emitter_with_note(locale_resources: Vec<&'static str>, note: String) -> Self {
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let translator = Translator::with_fallback_bundle(locale_resources, false);
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let sm = Arc::new(SourceMap::new(FilePathMapping::empty()));
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let fatal_emitter =
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let emitter =
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Box::new(HumanEmitter::new(stderr_destination(ColorConfig::Auto), translator));
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let dcx = DiagCtxt::new(Box::new(FatalOnlyEmitter {
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fatal_emitter,
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fatal_note: Some(fatal_note),
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}))
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.disable_warnings();
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let dcx = DiagCtxt::new(Box::new(EmitterWithNote { emitter, note }));
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ParseSess::with_dcx(dcx, sm)
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}
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@@ -1,6 +1,6 @@
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//@revisions: 32bit 64bit
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//@[32bit]ignore-bitwidth: 64
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//@[64bit]ignore-bitwidth: 32
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//@revisions: r32bit r64bit
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//@[r32bit]ignore-bitwidth: 64
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//@[r64bit]ignore-bitwidth: 32
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//@no-rustfix: only some diagnostics have suggestions
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#![warn(
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@@ -62,7 +62,7 @@ fn main() {
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//~^ cast_precision_loss
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9_999_999_999_999_999usize as f64;
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//~^ cast_precision_loss
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//~[32bit]^^ ERROR: literal out of range for `usize`
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//~[r32bit]^^ ERROR: literal out of range for `usize`
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// 999_999_999_999_999_999_999_999_999_999u128 as f128;
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}
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@@ -1,6 +1,6 @@
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//@revisions: 32bit 64bit
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//@[32bit]ignore-bitwidth: 64
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//@[64bit]ignore-bitwidth: 32
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//@revisions: r32bit r64bit
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//@[r32bit]ignore-bitwidth: 64
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//@[r64bit]ignore-bitwidth: 32
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//@no-rustfix
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#![warn(clippy::fn_to_numeric_cast, clippy::fn_to_numeric_cast_with_truncation)]
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#![allow(function_casts_as_integer)]
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@@ -15,8 +15,8 @@ fn test_function_to_numeric_cast() {
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let _ = foo as i16;
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//~^ fn_to_numeric_cast_with_truncation
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let _ = foo as i32;
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//~[64bit]^ fn_to_numeric_cast_with_truncation
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//~[32bit]^^ fn_to_numeric_cast
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//~[r64bit]^ fn_to_numeric_cast_with_truncation
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//~[r32bit]^^ fn_to_numeric_cast
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let _ = foo as i64;
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//~^ fn_to_numeric_cast
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let _ = foo as i128;
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@@ -29,8 +29,8 @@ fn test_function_to_numeric_cast() {
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let _ = foo as u16;
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//~^ fn_to_numeric_cast_with_truncation
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let _ = foo as u32;
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//~[64bit]^ fn_to_numeric_cast_with_truncation
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//~[32bit]^^ fn_to_numeric_cast
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//~[r64bit]^ fn_to_numeric_cast_with_truncation
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//~[r32bit]^^ fn_to_numeric_cast
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let _ = foo as u64;
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//~^ fn_to_numeric_cast
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let _ = foo as u128;
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@@ -52,8 +52,8 @@ fn test_function_var_to_numeric_cast() {
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let _ = abc as i16;
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//~^ fn_to_numeric_cast_with_truncation
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let _ = abc as i32;
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//~[64bit]^ fn_to_numeric_cast_with_truncation
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//~[32bit]^^ fn_to_numeric_cast
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//~[r64bit]^ fn_to_numeric_cast_with_truncation
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//~[r32bit]^^ fn_to_numeric_cast
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let _ = abc as i64;
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//~^ fn_to_numeric_cast
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let _ = abc as i128;
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@@ -66,8 +66,8 @@ fn test_function_var_to_numeric_cast() {
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let _ = abc as u16;
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//~^ fn_to_numeric_cast_with_truncation
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let _ = abc as u32;
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//~[64bit]^ fn_to_numeric_cast_with_truncation
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//~[32bit]^^ fn_to_numeric_cast
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//~[r64bit]^ fn_to_numeric_cast_with_truncation
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//~[r32bit]^^ fn_to_numeric_cast
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let _ = abc as u64;
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//~^ fn_to_numeric_cast
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let _ = abc as u128;
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@@ -79,8 +79,8 @@ fn test_function_var_to_numeric_cast() {
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fn fn_with_fn_args(f: fn(i32) -> i32) -> i32 {
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f as i32
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//~[64bit]^ fn_to_numeric_cast_with_truncation
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//~[32bit]^^ fn_to_numeric_cast
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//~[r64bit]^ fn_to_numeric_cast_with_truncation
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//~[r32bit]^^ fn_to_numeric_cast
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}
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fn main() {}
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@@ -1,8 +1,8 @@
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//@revisions: 32bit 64bit
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//@revisions: r32bit r64bit
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//@aux-build:proc_macros.rs
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//@no-rustfix
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//@[32bit]ignore-bitwidth: 64
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//@[64bit]ignore-bitwidth: 32
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//@[r32bit]ignore-bitwidth: 64
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//@[r64bit]ignore-bitwidth: 32
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#![allow(dead_code)]
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#![allow(unused_variables)]
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#![warn(clippy::large_enum_variant)]
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@@ -221,13 +221,13 @@ pub(crate) struct Vtable {
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}
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enum NoWarnings {
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//~[64bit]^ large_enum_variant
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//~[r64bit]^ large_enum_variant
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BigBoi(PublishWithBytes),
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_SmallBoi(u8),
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}
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enum MakesClippyAngry {
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//~[64bit]^ large_enum_variant
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//~[r64bit]^ large_enum_variant
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BigBoi(PublishWithVec),
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_SmallBoi(u8),
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}
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@@ -1,12 +1,12 @@
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// Test that the correct module flags are emitted with different control-flow protection flags.
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//@ add-minicore
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//@ revisions: undefined none branch return full
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//@ revisions: undefined none branch return_ full
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//@ needs-llvm-components: x86
|
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// [undefined] no extra compile-flags
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//@ [none] compile-flags: -Z cf-protection=none
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//@ [branch] compile-flags: -Z cf-protection=branch
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//@ [return] compile-flags: -Z cf-protection=return
|
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//@ [return_] compile-flags: -Z cf-protection=return
|
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//@ [full] compile-flags: -Z cf-protection=full
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//@ compile-flags: --target x86_64-unknown-linux-gnu
|
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@@ -30,9 +30,9 @@ pub fn test() {}
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// branch: !"cf-protection-branch", i32 1
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// branch-NOT: !"cf-protection-return"
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// return-NOT: !"cf-protection-branch"
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// return: !"cf-protection-return", i32 1
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// return-NOT: !"cf-protection-branch"
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// return_-NOT: !"cf-protection-branch"
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// return_: !"cf-protection-return", i32 1
|
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// return_-NOT: !"cf-protection-branch"
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||||
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||||
// full: !"cf-protection-branch", i32 1
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// full: !"cf-protection-return", i32 1
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||||
|
||||
@@ -1,5 +1,5 @@
|
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/// Test that `--cfg false` doesn't cause `cfg(false)` to evaluate to `true`
|
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//@ compile-flags: --cfg false
|
||||
//@ compile-flags: --cfg r#false
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||||
|
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#[cfg(false)]
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fn foo() {}
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||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `crate` (malformed `cfg` input, expected a valid identifier)
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `priv` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
error: `crate` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--cfg=r#crate`
|
||||
|
||||
error: invalid `--cfg` argument: `r#crate` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
error: `self` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--cfg=r#self`
|
||||
|
||||
error: invalid `--cfg` argument: `r#self` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
error: `Self` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--cfg=r#Self`
|
||||
|
||||
error: invalid `--cfg` argument: `r#Self` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
error: `super` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--cfg=r#super`
|
||||
|
||||
error: invalid `--cfg` argument: `r#super` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
error: `_` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--cfg=r#_`
|
||||
|
||||
error: invalid `--cfg` argument: `r#_` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `self` (malformed `cfg` input, expected a valid identifier)
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `Self` (malformed `cfg` input, expected a valid identifier)
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `struct` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `super` (malformed `cfg` input, expected a valid identifier)
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
error: invalid `--cfg` argument: `_` (expected `key` or `key="value"`)
|
||||
|
||||
@@ -0,0 +1,24 @@
|
||||
//@ edition: 2024
|
||||
|
||||
//@ revisions: cfg_crate cfg_super cfg_self_lower cfg_self_upper
|
||||
//@ revisions: cfg_raw_crate cfg_raw_super cfg_raw_self_lower cfg_raw_self_upper
|
||||
//@ revisions: cfg_struct cfg_priv cfg_underscore cfg_raw_underscore
|
||||
|
||||
//@ [cfg_crate]compile-flags: --cfg crate
|
||||
//@ [cfg_super]compile-flags: --cfg super
|
||||
//@ [cfg_self_lower]compile-flags: --cfg self
|
||||
//@ [cfg_self_upper]compile-flags: --cfg Self
|
||||
|
||||
//@ [cfg_raw_crate]compile-flags: --cfg r#crate
|
||||
//@ [cfg_raw_super]compile-flags: --cfg r#super
|
||||
//@ [cfg_raw_self_lower]compile-flags: --cfg r#self
|
||||
//@ [cfg_raw_self_upper]compile-flags: --cfg r#Self
|
||||
|
||||
//@ [cfg_struct]compile-flags: --cfg struct
|
||||
//@ [cfg_priv]compile-flags: --cfg priv
|
||||
//@ [cfg_underscore]compile-flags: --cfg _
|
||||
//@ [cfg_raw_underscore]compile-flags: --cfg r#_
|
||||
|
||||
fn main() {}
|
||||
|
||||
//~? ERROR invalid `--cfg` argument
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(crate)`
|
||||
|
|
||||
= note: malformed `cfg` input, expected a valid identifier
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(priv)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
error: `crate` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--check-cfg=cfg(r#crate)`
|
||||
|
||||
error: invalid `--check-cfg` argument: `cfg(r#crate)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
error: `self` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--check-cfg=cfg(r#self)`
|
||||
|
||||
error: invalid `--check-cfg` argument: `cfg(r#self)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
error: `Self` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--check-cfg=cfg(r#Self)`
|
||||
|
||||
error: invalid `--check-cfg` argument: `cfg(r#Self)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
error: `super` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--check-cfg=cfg(r#super)`
|
||||
|
||||
error: invalid `--check-cfg` argument: `cfg(r#super)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
error: `_` cannot be a raw identifier
|
||||
|
|
||||
= note: this occurred on the command line: `--check-cfg=cfg(r#_)`
|
||||
|
||||
error: invalid `--check-cfg` argument: `cfg(r#_)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(self)`
|
||||
|
|
||||
= note: malformed `cfg` input, expected a valid identifier
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(Self)`
|
||||
|
|
||||
= note: malformed `cfg` input, expected a valid identifier
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(struct)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(super)`
|
||||
|
|
||||
= note: malformed `cfg` input, expected a valid identifier
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,5 @@
|
||||
error: invalid `--check-cfg` argument: `cfg(_)`
|
||||
|
|
||||
= note: expected `cfg(name, values("value1", "value2", ... "valueN"))`
|
||||
= note: visit <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more details
|
||||
|
||||
@@ -0,0 +1,25 @@
|
||||
//@ edition: 2021
|
||||
|
||||
//@ revisions: check_cfg_crate check_cfg_super check_cfg_self_lower check_cfg_self_upper
|
||||
//@ revisions: check_cfg_raw_crate check_cfg_raw_super check_cfg_raw_self_lower
|
||||
//@ revisions: check_cfg_raw_self_upper
|
||||
//@ revisions: check_cfg_struct check_cfg_priv check_cfg_underscore check_cfg_raw_underscore
|
||||
|
||||
//@ [check_cfg_crate]compile-flags: --check-cfg 'cfg(crate)'
|
||||
//@ [check_cfg_super]compile-flags: --check-cfg 'cfg(super)'
|
||||
//@ [check_cfg_self_lower]compile-flags: --check-cfg 'cfg(self)'
|
||||
//@ [check_cfg_self_upper]compile-flags: --check-cfg 'cfg(Self)'
|
||||
|
||||
//@ [check_cfg_raw_crate]compile-flags: --check-cfg 'cfg(r#crate)'
|
||||
//@ [check_cfg_raw_super]compile-flags: --check-cfg 'cfg(r#super)'
|
||||
//@ [check_cfg_raw_self_lower]compile-flags: --check-cfg 'cfg(r#self)'
|
||||
//@ [check_cfg_raw_self_upper]compile-flags: --check-cfg 'cfg(r#Self)'
|
||||
|
||||
//@ [check_cfg_struct]compile-flags: --check-cfg 'cfg(struct)'
|
||||
//@ [check_cfg_priv]compile-flags: --check-cfg 'cfg(priv)'
|
||||
//@ [check_cfg_underscore]compile-flags: --check-cfg 'cfg(_)'
|
||||
//@ [check_cfg_raw_underscore]compile-flags: --check-cfg 'cfg(r#_)'
|
||||
|
||||
fn main() {}
|
||||
|
||||
//~? ERROR invalid `--check-cfg` argument
|
||||
@@ -0,0 +1,6 @@
|
||||
//@ edition: 2024
|
||||
//@ check-pass
|
||||
//@ compile-flags: --cfg r#struct --cfg r#priv
|
||||
//@ compile-flags: --check-cfg 'cfg(r#struct)' --check-cfg 'cfg(r#priv)'
|
||||
|
||||
fn main() {}
|
||||
@@ -0,0 +1,129 @@
|
||||
//@ edition: 2024
|
||||
|
||||
#![allow(unexpected_cfgs)]
|
||||
|
||||
macro_rules! foo {
|
||||
() => {
|
||||
#[cfg($crate)] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_dollar_crate {}
|
||||
#[cfg_attr($crate, path = "foo")] //~ ERROR malformed `cfg_attr` attribute input
|
||||
mod _cfg_attr_dollar_crate {}
|
||||
#[cfg_attr(true, cfg($crate))] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_attr_true_cfg_crate {}
|
||||
|
||||
cfg!($crate); //~ ERROR malformed `cfg` macro input
|
||||
};
|
||||
}
|
||||
|
||||
#[cfg(crate)] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_crate {}
|
||||
#[cfg(super)] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_super {}
|
||||
#[cfg(self)] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_self_lower {}
|
||||
#[cfg(Self)] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_self_upper {}
|
||||
#[cfg_attr(crate, path = "foo")] //~ ERROR malformed `cfg_attr` attribute input
|
||||
mod _cfg_attr_crate {}
|
||||
#[cfg_attr(super, path = "foo")] //~ ERROR malformed `cfg_attr` attribute input
|
||||
mod _cfg_attr_super {}
|
||||
#[cfg_attr(self, path = "foo")] //~ ERROR malformed `cfg_attr` attribute input
|
||||
mod _cfg_attr_self_lower {}
|
||||
#[cfg_attr(Self, path = "foo")] //~ ERROR malformed `cfg_attr` attribute input
|
||||
mod _cfg_attr_self_upper {}
|
||||
#[cfg_attr(true, cfg(crate))] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_attr_true_cfg_crate {}
|
||||
#[cfg_attr(true, cfg(super))] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_attr_true_cfg_super {}
|
||||
#[cfg_attr(true, cfg(self))] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_attr_true_cfg_self_lower {}
|
||||
#[cfg_attr(true, cfg(Self))] //~ ERROR malformed `cfg` attribute input
|
||||
mod _cfg_attr_true_cfg_self_upper {}
|
||||
|
||||
#[cfg(struct)] //~ ERROR expected identifier, found keyword
|
||||
mod _cfg_struct {}
|
||||
#[cfg(priv)] //~ ERROR expected identifier, found reserved keyword `priv`
|
||||
mod _cfg_priv {}
|
||||
#[cfg(_)] //~ ERROR expected identifier, found reserved identifier `_`
|
||||
mod _cfg_underscore {}
|
||||
#[cfg_attr(struct, path = "foo")] //~ ERROR expected identifier, found keyword
|
||||
mod _cfg_attr_struct {}
|
||||
#[cfg_attr(priv, path = "foo")] //~ ERROR expected identifier, found reserved keyword `priv`
|
||||
mod _cfg_attr_priv {}
|
||||
#[cfg_attr(_, path = "foo")] //~ ERROR expected identifier, found reserved identifier `_`
|
||||
mod _cfg_attr_underscore {}
|
||||
#[cfg_attr(true, cfg(struct))] //~ ERROR expected identifier, found keyword
|
||||
mod _cfg_attr_true_cfg_struct {}
|
||||
#[cfg_attr(true, cfg(priv))] //~ ERROR expected identifier, found reserved keyword `priv`
|
||||
mod _cfg_attr_true_cfg_priv {}
|
||||
#[cfg_attr(true, cfg(_))] //~ ERROR expected identifier, found reserved identifier `_`
|
||||
mod _cfg_attr_true_cfg_underscore {}
|
||||
|
||||
fn main() {
|
||||
foo!();
|
||||
|
||||
cfg!(crate); //~ ERROR malformed `cfg` macro input
|
||||
cfg!(super); //~ ERROR malformed `cfg` macro input
|
||||
cfg!(self); //~ ERROR malformed `cfg` macro input
|
||||
cfg!(Self); //~ ERROR malformed `cfg` macro input
|
||||
|
||||
cfg!(r#crate); //~ ERROR `crate` cannot be a raw identifier
|
||||
//~^ ERROR malformed `cfg` macro input
|
||||
cfg!(r#super); //~ ERROR `super` cannot be a raw identifier
|
||||
//~^ ERROR malformed `cfg` macro input
|
||||
cfg!(r#self); //~ ERROR `self` cannot be a raw identifier
|
||||
//~^ ERROR malformed `cfg` macro input
|
||||
cfg!(r#Self); //~ ERROR `Self` cannot be a raw identifier
|
||||
//~^ ERROR malformed `cfg` macro input
|
||||
|
||||
cfg!(struct); //~ ERROR expected identifier, found keyword
|
||||
cfg!(priv); //~ ERROR expected identifier, found reserved keyword `priv`
|
||||
cfg!(_); //~ ERROR expected identifier, found reserved identifier `_`
|
||||
|
||||
cfg!(r#struct); // Ok
|
||||
cfg!(r#priv); // Ok
|
||||
cfg!(r#_); //~ ERROR `_` cannot be a raw identifier
|
||||
}
|
||||
|
||||
#[cfg(r#crate)] //~ ERROR malformed `cfg` attribute input
|
||||
//~^ ERROR `crate` cannot be a raw identifier
|
||||
mod _cfg_r_crate {}
|
||||
#[cfg(r#super)] //~ ERROR malformed `cfg` attribute input
|
||||
//~^ ERROR `super` cannot be a raw identifier
|
||||
mod _cfg_r_super {}
|
||||
#[cfg(r#self)] //~ ERROR malformed `cfg` attribute input
|
||||
//~^ ERROR `self` cannot be a raw identifier
|
||||
mod _cfg_r_self_lower {}
|
||||
#[cfg(r#Self)] //~ ERROR malformed `cfg` attribute input
|
||||
//~^ ERROR `Self` cannot be a raw identifier
|
||||
mod _cfg_r_self_upper {}
|
||||
#[cfg_attr(r#crate, cfg(r#crate))] //~ ERROR malformed `cfg_attr` attribute input
|
||||
//~^ ERROR `crate` cannot be a raw identifier
|
||||
//~^^ ERROR `crate` cannot be a raw identifier
|
||||
mod _cfg_attr_r_crate {}
|
||||
#[cfg_attr(r#super, cfg(r#super))] //~ ERROR malformed `cfg_attr` attribute input
|
||||
//~^ ERROR `super` cannot be a raw identifier
|
||||
//~^^ ERROR `super` cannot be a raw identifier
|
||||
mod _cfg_attr_r_super {}
|
||||
#[cfg_attr(r#self, cfg(r#self))] //~ ERROR malformed `cfg_attr` attribute input
|
||||
//~^ ERROR `self` cannot be a raw identifier
|
||||
//~^^ ERROR `self` cannot be a raw identifier
|
||||
mod _cfg_attr_r_self_lower {}
|
||||
#[cfg_attr(r#Self, cfg(r#Self))] //~ ERROR malformed `cfg_attr` attribute input
|
||||
//~^ ERROR `Self` cannot be a raw identifier
|
||||
//~^^ ERROR `Self` cannot be a raw identifier
|
||||
mod _cfg_attr_r_self_upper {}
|
||||
|
||||
#[cfg(r#struct)] // Ok
|
||||
mod _cfg_r_struct {}
|
||||
#[cfg(r#priv)] // Ok
|
||||
mod _cfg_r_priv {}
|
||||
#[cfg(r#_)] //~ ERROR `_` cannot be a raw identifier
|
||||
mod _cfg_r_underscore {}
|
||||
#[cfg_attr(r#struct, cfg(r#struct))] // Ok
|
||||
mod _cfg_attr_r_struct {}
|
||||
#[cfg_attr(r#priv, cfg(r#priv))] // Ok
|
||||
mod _cfg_attr_r_priv {}
|
||||
#[cfg_attr(r#_, cfg(r#_))] //~ ERROR `_` cannot be a raw identifier
|
||||
//~^ ERROR `_` cannot be a raw identifier
|
||||
mod _cfg_attr_r_underscore {}
|
||||
@@ -0,0 +1,573 @@
|
||||
error: `crate` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:70:10
|
||||
|
|
||||
LL | cfg!(r#crate);
|
||||
| ^^^^^^^
|
||||
|
||||
error: `super` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:72:10
|
||||
|
|
||||
LL | cfg!(r#super);
|
||||
| ^^^^^^^
|
||||
|
||||
error: `self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:74:10
|
||||
|
|
||||
LL | cfg!(r#self);
|
||||
| ^^^^^^
|
||||
|
||||
error: `Self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:76:10
|
||||
|
|
||||
LL | cfg!(r#Self);
|
||||
| ^^^^^^
|
||||
|
||||
error: `_` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:85:10
|
||||
|
|
||||
LL | cfg!(r#_);
|
||||
| ^^^
|
||||
|
||||
error: `crate` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:88:7
|
||||
|
|
||||
LL | #[cfg(r#crate)]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `super` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:91:7
|
||||
|
|
||||
LL | #[cfg(r#super)]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:94:7
|
||||
|
|
||||
LL | #[cfg(r#self)]
|
||||
| ^^^^^^
|
||||
|
||||
error: `Self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:97:7
|
||||
|
|
||||
LL | #[cfg(r#Self)]
|
||||
| ^^^^^^
|
||||
|
||||
error: `crate` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:100:12
|
||||
|
|
||||
LL | #[cfg_attr(r#crate, cfg(r#crate))]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `crate` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:100:25
|
||||
|
|
||||
LL | #[cfg_attr(r#crate, cfg(r#crate))]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `super` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:104:12
|
||||
|
|
||||
LL | #[cfg_attr(r#super, cfg(r#super))]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `super` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:104:25
|
||||
|
|
||||
LL | #[cfg_attr(r#super, cfg(r#super))]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:108:12
|
||||
|
|
||||
LL | #[cfg_attr(r#self, cfg(r#self))]
|
||||
| ^^^^^^
|
||||
|
||||
error: `self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:108:24
|
||||
|
|
||||
LL | #[cfg_attr(r#self, cfg(r#self))]
|
||||
| ^^^^^^
|
||||
|
||||
error: `Self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:112:12
|
||||
|
|
||||
LL | #[cfg_attr(r#Self, cfg(r#Self))]
|
||||
| ^^^^^^
|
||||
|
||||
error: `Self` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:112:24
|
||||
|
|
||||
LL | #[cfg_attr(r#Self, cfg(r#Self))]
|
||||
| ^^^^^^
|
||||
|
||||
error: `_` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:121:7
|
||||
|
|
||||
LL | #[cfg(r#_)]
|
||||
| ^^^
|
||||
|
||||
error: `_` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:127:12
|
||||
|
|
||||
LL | #[cfg_attr(r#_, cfg(r#_))]
|
||||
| ^^^
|
||||
|
||||
error: `_` cannot be a raw identifier
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:127:21
|
||||
|
|
||||
LL | #[cfg_attr(r#_, cfg(r#_))]
|
||||
| ^^^
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:18:1
|
||||
|
|
||||
LL | #[cfg(crate)]
|
||||
| ^^^^^^-----^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:20:1
|
||||
|
|
||||
LL | #[cfg(super)]
|
||||
| ^^^^^^-----^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:22:1
|
||||
|
|
||||
LL | #[cfg(self)]
|
||||
| ^^^^^^----^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:24:1
|
||||
|
|
||||
LL | #[cfg(Self)]
|
||||
| ^^^^^^----^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:26:1
|
||||
|
|
||||
LL | #[cfg_attr(crate, path = "foo")]
|
||||
| ^^^^^^^^^^^-----^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:28:1
|
||||
|
|
||||
LL | #[cfg_attr(super, path = "foo")]
|
||||
| ^^^^^^^^^^^-----^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:30:1
|
||||
|
|
||||
LL | #[cfg_attr(self, path = "foo")]
|
||||
| ^^^^^^^^^^^----^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:32:1
|
||||
|
|
||||
LL | #[cfg_attr(Self, path = "foo")]
|
||||
| ^^^^^^^^^^^----^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:34:18
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(crate))]
|
||||
| ^^^^-----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:36:18
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(super))]
|
||||
| ^^^^-----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:38:18
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(self))]
|
||||
| ^^^^----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:40:18
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(Self))]
|
||||
| ^^^^----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error: expected identifier, found keyword `struct`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:43:7
|
||||
|
|
||||
LL | #[cfg(struct)]
|
||||
| ^^^^^^ expected identifier, found keyword
|
||||
|
||||
error: expected identifier, found reserved keyword `priv`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:45:7
|
||||
|
|
||||
LL | #[cfg(priv)]
|
||||
| ^^^^ expected identifier, found reserved keyword
|
||||
|
||||
error: expected identifier, found reserved identifier `_`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:47:7
|
||||
|
|
||||
LL | #[cfg(_)]
|
||||
| ^ expected identifier, found reserved identifier
|
||||
|
||||
error: expected identifier, found keyword `struct`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:49:12
|
||||
|
|
||||
LL | #[cfg_attr(struct, path = "foo")]
|
||||
| ^^^^^^ expected identifier, found keyword
|
||||
|
|
||||
help: escape `struct` to use it as an identifier
|
||||
|
|
||||
LL | #[cfg_attr(r#struct, path = "foo")]
|
||||
| ++
|
||||
|
||||
error: expected identifier, found reserved keyword `priv`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:51:12
|
||||
|
|
||||
LL | #[cfg_attr(priv, path = "foo")]
|
||||
| ^^^^ expected identifier, found reserved keyword
|
||||
|
|
||||
help: escape `priv` to use it as an identifier
|
||||
|
|
||||
LL | #[cfg_attr(r#priv, path = "foo")]
|
||||
| ++
|
||||
|
||||
error: expected identifier, found reserved identifier `_`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:53:12
|
||||
|
|
||||
LL | #[cfg_attr(_, path = "foo")]
|
||||
| ^ expected identifier, found reserved identifier
|
||||
|
||||
error: expected identifier, found keyword `struct`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:55:22
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(struct))]
|
||||
| ^^^^^^ expected identifier, found keyword
|
||||
|
||||
error: expected identifier, found reserved keyword `priv`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:57:22
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(priv))]
|
||||
| ^^^^ expected identifier, found reserved keyword
|
||||
|
||||
error: expected identifier, found reserved identifier `_`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:59:22
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg(_))]
|
||||
| ^ expected identifier, found reserved identifier
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:88:1
|
||||
|
|
||||
LL | #[cfg(r#crate)]
|
||||
| ^^^^^^-------^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:91:1
|
||||
|
|
||||
LL | #[cfg(r#super)]
|
||||
| ^^^^^^-------^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:94:1
|
||||
|
|
||||
LL | #[cfg(r#self)]
|
||||
| ^^^^^^------^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:97:1
|
||||
|
|
||||
LL | #[cfg(r#Self)]
|
||||
| ^^^^^^------^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:100:1
|
||||
|
|
||||
LL | #[cfg_attr(r#crate, cfg(r#crate))]
|
||||
| ^^^^^^^^^^^-------^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:104:1
|
||||
|
|
||||
LL | #[cfg_attr(r#super, cfg(r#super))]
|
||||
| ^^^^^^^^^^^-------^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:108:1
|
||||
|
|
||||
LL | #[cfg_attr(r#self, cfg(r#self))]
|
||||
| ^^^^^^^^^^^------^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:112:1
|
||||
|
|
||||
LL | #[cfg_attr(r#Self, cfg(r#Self))]
|
||||
| ^^^^^^^^^^^------^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:7:9
|
||||
|
|
||||
LL | #[cfg($crate)]
|
||||
| ^^^^^^------^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg(predicate)]`
|
||||
...
|
||||
LL | foo!();
|
||||
| ------ in this macro invocation
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0539]: malformed `cfg_attr` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:9:9
|
||||
|
|
||||
LL | #[cfg_attr($crate, path = "foo")]
|
||||
| ^^^^^^^^^^^------^^^^^^^^^^^^^^^^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
|
||||
...
|
||||
LL | foo!();
|
||||
| ------ in this macro invocation
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>
|
||||
= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0539]: malformed `cfg` attribute input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:11:26
|
||||
|
|
||||
LL | #[cfg_attr(true, cfg($crate))]
|
||||
| ^^^^------^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg(predicate)`
|
||||
...
|
||||
LL | foo!();
|
||||
| ------ in this macro invocation
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:14:9
|
||||
|
|
||||
LL | cfg!($crate);
|
||||
| ^^^^^------^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
...
|
||||
LL | foo!();
|
||||
| ------ in this macro invocation
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
= note: this error originates in the macro `cfg` which comes from the expansion of the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:65:5
|
||||
|
|
||||
LL | cfg!(crate);
|
||||
| ^^^^^-----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:66:5
|
||||
|
|
||||
LL | cfg!(super);
|
||||
| ^^^^^-----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:67:5
|
||||
|
|
||||
LL | cfg!(self);
|
||||
| ^^^^^----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:68:5
|
||||
|
|
||||
LL | cfg!(Self);
|
||||
| ^^^^^----^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:70:5
|
||||
|
|
||||
LL | cfg!(r#crate);
|
||||
| ^^^^^-------^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:72:5
|
||||
|
|
||||
LL | cfg!(r#super);
|
||||
| ^^^^^-------^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:74:5
|
||||
|
|
||||
LL | cfg!(r#self);
|
||||
| ^^^^^------^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error[E0539]: malformed `cfg` macro input
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:76:5
|
||||
|
|
||||
LL | cfg!(r#Self);
|
||||
| ^^^^^------^
|
||||
| | |
|
||||
| | expected a valid identifier here
|
||||
| help: must be of the form: `cfg!(predicate)`
|
||||
|
|
||||
= note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute>
|
||||
|
||||
error: expected identifier, found keyword `struct`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:79:10
|
||||
|
|
||||
LL | cfg!(struct);
|
||||
| ^^^^^^ expected identifier, found keyword
|
||||
|
||||
error: expected identifier, found reserved keyword `priv`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:80:10
|
||||
|
|
||||
LL | cfg!(priv);
|
||||
| ^^^^ expected identifier, found reserved keyword
|
||||
|
||||
error: expected identifier, found reserved identifier `_`
|
||||
--> $DIR/path-kw-as-cfg-pred.rs:81:10
|
||||
|
|
||||
LL | cfg!(_);
|
||||
| ^ expected identifier, found reserved identifier
|
||||
|
||||
error: aborting due to 64 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0539`.
|
||||
@@ -1,9 +1,5 @@
|
||||
//@ check-pass
|
||||
//@ revisions: r0x0 r0x1 r1x0 r1x1
|
||||
//@[r0x0] compile-flags: --cfg false --check-cfg=cfg(false)
|
||||
//@[r0x1] compile-flags: --cfg false --check-cfg=cfg(r#false)
|
||||
//@[r1x0] compile-flags: --cfg r#false --check-cfg=cfg(false)
|
||||
//@[r1x1] compile-flags: --cfg r#false --check-cfg=cfg(r#false)
|
||||
//@ compile-flags: --cfg r#false --check-cfg=cfg(r#false)
|
||||
#![deny(unexpected_cfgs)]
|
||||
fn main() {
|
||||
#[cfg(not(r#false))]
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
//
|
||||
//@ check-pass
|
||||
//@ no-auto-check-cfg
|
||||
//@ compile-flags: --cfg=true --cfg=async --check-cfg=cfg(r#true,r#async,edition2015,edition2021)
|
||||
//@ compile-flags: --cfg=r#true --cfg=r#async --check-cfg=cfg(r#true,r#async,edition2015,edition2021)
|
||||
//
|
||||
//@ revisions: edition2015 edition2021
|
||||
//@ [edition2015] edition: 2015
|
||||
|
||||
@@ -3,4 +3,4 @@
|
||||
//@ compile-flags: --cfg a"
|
||||
|
||||
//~? RAW unterminated double quote string
|
||||
//~? RAW this error occurred on the command line
|
||||
//~? RAW this occurred on the command line
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
error[E0765]: unterminated double quote string
|
||||
|
|
||||
= note: this error occurred on the command line: `--cfg=a"`
|
||||
= note: this occurred on the command line: `--cfg=a"`
|
||||
|
||||
|
||||
+6
-6
@@ -10,15 +10,15 @@ note: inside `rec_id`
|
||||
LL | inner(0, n)
|
||||
| ^^^^^^^^^^^
|
||||
note: [... 125 additional calls inside `inner` ...]
|
||||
--> $DIR/ctfe-id-unlimited.rs:17:42
|
||||
--> $DIR/ctfe-id-unlimited.rs:17:41
|
||||
|
|
||||
LL | #[cfg(r#return)] _ => return inner(acc + 1, n - 1),
|
||||
| ^^^^^^^^^^^^^^^^^^^^^
|
||||
LL | #[cfg(return_)] _ => return inner(acc + 1, n - 1),
|
||||
| ^^^^^^^^^^^^^^^^^^^^^
|
||||
note: inside `inner`
|
||||
--> $DIR/ctfe-id-unlimited.rs:17:42
|
||||
--> $DIR/ctfe-id-unlimited.rs:17:41
|
||||
|
|
||||
LL | #[cfg(r#return)] _ => return inner(acc + 1, n - 1),
|
||||
| ^^^^^^^^^^^^^^^^^^^^^ the failure occurred here
|
||||
LL | #[cfg(return_)] _ => return inner(acc + 1, n - 1),
|
||||
| ^^^^^^^^^^^^^^^^^^^^^ the failure occurred here
|
||||
|
||||
error: aborting due to 1 previous error
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
//@ revisions: become return
|
||||
//@ [become] run-pass
|
||||
//@ revisions: become_ return_
|
||||
//@ [become_] run-pass
|
||||
#![expect(incomplete_features)]
|
||||
#![feature(explicit_tail_calls)]
|
||||
|
||||
@@ -13,8 +13,8 @@ const fn rec_id(n: u32) -> u32 {
|
||||
const fn inner(acc: u32, n: u32) -> u32 {
|
||||
match n {
|
||||
0 => acc,
|
||||
#[cfg(r#become)] _ => become inner(acc + 1, n - 1),
|
||||
#[cfg(r#return)] _ => return inner(acc + 1, n - 1),
|
||||
#[cfg(become_)] _ => become inner(acc + 1, n - 1),
|
||||
#[cfg(return_)] _ => return inner(acc + 1, n - 1),
|
||||
}
|
||||
}
|
||||
|
||||
@@ -25,7 +25,7 @@ const fn inner(acc: u32, n: u32) -> u32 {
|
||||
const ORIGINAL: u32 = 12345;
|
||||
// Original number, but with identity function applied
|
||||
// (this is the same, but requires execution of the recursion)
|
||||
const ID_ED: u32 = rec_id(ORIGINAL); //[return]~ ERROR: reached the configured maximum number of stack frames
|
||||
const ID_ED: u32 = rec_id(ORIGINAL); //[return_]~ ERROR: reached the configured maximum number of stack frames
|
||||
// Assert to make absolutely sure the computation actually happens
|
||||
const ASSERT: () = assert!(ORIGINAL == ID_ED);
|
||||
|
||||
|
||||
Reference in New Issue
Block a user