bjoernager/rust
bjoernager/rust
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Use ThinVec in ast::Path.

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This commit is contained in:
Nicholas Nethercote 2022-09-08 17:22:52 +10:00
parent 6b7ca2fcf2
commit 67d5cc0462
16 changed files with 168 additions and 156 deletions
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7
compiler/rustc_parse/src/parser/item.rs
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@ -3,7 +3,6 @@ use crate::errors::{DocCommentDoesNotDocumentAnything, UseEmptyBlockNotSemi};
use super::diagnostics::{dummy_arg, ConsumeClosingDelim};
use super::ty::{AllowPlus, RecoverQPath, RecoverReturnSign};
use super::{AttrWrapper, FollowedByType, ForceCollect, Parser, PathStyle, TrailingToken};
use rustc_ast::ast::*;
use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter, TokenKind};
@ -22,9 +21,10 @@ use rustc_span::lev_distance::lev_distance;
use rustc_span::source_map::{self, Span};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::DUMMY_SP;
use std::convert::TryFrom;
use std::mem;
use thin_vec::ThinVec;
use tracing::debug;
impl<'a> Parser<'a> {
/// Parses a source module as a crate. This is the main entry point for the parser.
@ -972,7 +972,8 @@ impl<'a> Parser<'a> {
fn parse_use_tree(&mut self) -> PResult<'a, UseTree> {
let lo = self.token.span;
let mut prefix = ast::Path { segments: Vec::new(), span: lo.shrink_to_lo(), tokens: None };
let mut prefix =
ast::Path { segments: ThinVec::new(), span: lo.shrink_to_lo(), tokens: None };
let kind = if self.check(&token::OpenDelim(Delimiter::Brace))
|| self.check(&token::BinOp(token::Star))
|| self.is_import_coupler()