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Adjust pretty-print compat hack to work with item statements

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Aaron Hill 2020-11-25 11:31:22 -05:00
parent 9c9f40656d
commit baefba80b7
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GPG key ID: B4087E510E98B164
1 changed files with 14 additions and 7 deletions
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21
compiler/rustc_ast/src/token.rs
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@ -785,13 +785,20 @@ impl Nonterminal {
/// See issue #73345 for more details.
/// FIXME(#73933): Remove this eventually.
pub fn pretty_printing_compatibility_hack(&self) -> bool {
if let NtItem(item) = self {
let name = item.ident.name;
if name == sym::ProceduralMasqueradeDummyType || name == sym::ProcMacroHack {
if let ast::ItemKind::Enum(enum_def, _) = &item.kind {
if let [variant] = &*enum_def.variants {
return variant.ident.name == sym::Input;
}
let item = match self {
NtItem(item) => item,
NtStmt(stmt) => match &stmt.kind {
ast::StmtKind::Item(item) => item,
_ => return false,
},
_ => return false,
};
let name = item.ident.name;
if name == sym::ProceduralMasqueradeDummyType || name == sym::ProcMacroHack {
if let ast::ItemKind::Enum(enum_def, _) = &item.kind {
if let [variant] = &*enum_def.variants {
return variant.ident.name == sym::Input;
}
}
}