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

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This commit is contained in:
Nicholas Nethercote 2023-01-30 14:13:27 +11:00
parent 4143b101f9
commit b14b7ba5dd
18 changed files with 92 additions and 81 deletions
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13
compiler/rustc_parse/src/parser/stmt.rs
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@ -20,8 +20,8 @@ use rustc_ast::{StmtKind, DUMMY_NODE_ID};
use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed, PResult};
use rustc_span::source_map::{BytePos, Span};
use rustc_span::symbol::{kw, sym};
use std::mem;
use thin_vec::{thin_vec, ThinVec};
impl<'a> Parser<'a> {
/// Parses a statement. This stops just before trailing semicolons on everything but items.
@ -544,7 +544,7 @@ impl<'a> Parser<'a> {
s: BlockCheckMode,
recover: AttemptLocalParseRecovery,
) -> PResult<'a, P<Block>> {
let mut stmts = vec![];
let mut stmts = ThinVec::new();
let mut snapshot = None;
while !self.eat(&token::CloseDelim(Delimiter::Brace)) {
if self.token == token::Eof {
@ -662,7 +662,12 @@ impl<'a> Parser<'a> {
Ok(Some(stmt))
}
pub(super) fn mk_block(&self, stmts: Vec<Stmt>, rules: BlockCheckMode, span: Span) -> P<Block> {
pub(super) fn mk_block(
&self,
stmts: ThinVec<Stmt>,
rules: BlockCheckMode,
span: Span,
) -> P<Block> {
P(Block {
stmts,
id: DUMMY_NODE_ID,
@ -682,6 +687,6 @@ impl<'a> Parser<'a> {
}
pub(super) fn mk_block_err(&self, span: Span) -> P<Block> {
self.mk_block(vec![self.mk_stmt_err(span)], BlockCheckMode::Default, span)
self.mk_block(thin_vec![self.mk_stmt_err(span)], BlockCheckMode::Default, span)
}
}