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don't call get_macro on proc-macro stubs

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This commit is contained in:
QuietMisdreavus 2019-01-22 15:40:27 -06:00
parent 96909179d9
commit b1542341da
1 changed files with 6 additions and 2 deletions
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8
src/librustdoc/passes/collect_intra_doc_links.rs
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@ -431,8 +431,12 @@ fn macro_resolve(cx: &DocContext, path_str: &str) -> Option<Def> {
let parent_scope = resolver.dummy_parent_scope();
if let Ok(def) = resolver.resolve_macro_to_def_inner(&path, MacroKind::Bang,
&parent_scope, false, false) {
if let SyntaxExtension::DeclMacro { .. } = *resolver.get_macro(def) {
return Some(def);
if let Def::Macro(_, MacroKind::ProcMacroStub) = def {
// skip proc-macro stubs, they'll cause `get_macro` to crash
} else {
if let SyntaxExtension::DeclMacro { .. } = *resolver.get_macro(def) {
return Some(def);
}
}
}
if let Some(def) = resolver.all_macros.get(&Symbol::intern(path_str)) {