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Attach tokens to ast::Stmt

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We currently only attach tokens when parsing a `:stmt` matcher for a
`macro_rules!` macro. Proc-macro attributes on statements are still
unstable, and need additional work.
This commit is contained in:
Aaron Hill 2020-09-10 16:59:30 -04:00
parent c1011165e6
commit 156ef2bee8
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11 changed files with 56 additions and 15 deletions
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7
compiler/rustc_parse/src/lib.rs
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@ -269,6 +269,13 @@ pub fn nt_to_tokenstream(nt: &Nonterminal, sess: &ParseSess, span: Span) -> Toke
prepend_attrs(sess, &item.attrs, item.tokens.as_ref(), span)
}
Nonterminal::NtBlock(ref block) => block.tokens.clone(),
Nonterminal::NtStmt(ref stmt) => {
// FIXME: We currently only collect tokens for `:stmt`
// matchers in `macro_rules!` macros. When we start collecting
// tokens for attributes on statements, we will need to prepend
// attributes here
stmt.tokens.clone()
}
Nonterminal::NtPat(ref pat) => pat.tokens.clone(),
Nonterminal::NtTy(ref ty) => ty.tokens.clone(),
Nonterminal::NtIdent(ident, is_raw) => {