bjoernager/rust
bjoernager/rust
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Use ThinVec in various AST types.

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This commit changes the sequence parsers to produce `ThinVec`, which
triggers numerous conversions.
This commit is contained in:
Nicholas Nethercote 2022-11-23 11:55:16 +11:00
parent 6a56c3a930
commit 4143b101f9
52 changed files with 355 additions and 292 deletions
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3
compiler/rustc_incremental/src/assert_module_sources.rs
View file

@ -30,6 +30,7 @@ use rustc_middle::mir::mono::CodegenUnitNameBuilder;
use rustc_middle::ty::TyCtxt;
use rustc_session::cgu_reuse_tracker::*;
use rustc_span::symbol::{sym, Symbol};
use thin_vec::ThinVec;
#[allow(missing_docs)]
pub fn assert_module_sources(tcx: TyCtxt<'_>) {
@ -138,7 +139,7 @@ impl<'tcx> AssertModuleSource<'tcx> {
}
fn field(&self, attr: &ast::Attribute, name: Symbol) -> Symbol {
for item in attr.meta_item_list().unwrap_or_else(Vec::new) {
for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) {
if item.has_name(name) {
if let Some(value) = item.value_str() {
return value;

8
compiler/rustc_incremental/src/persist/dirty_clean.rs
View file

@ -31,6 +31,8 @@ use rustc_middle::hir::nested_filter;
use rustc_middle::ty::TyCtxt;
use rustc_span::symbol::{sym, Symbol};
use rustc_span::Span;
use std::iter::FromIterator;
use thin_vec::ThinVec;
const LOADED_FROM_DISK: Symbol = sym::loaded_from_disk;
const EXCEPT: Symbol = sym::except;
@ -205,7 +207,7 @@ impl<'tcx> DirtyCleanVisitor<'tcx> {
/// `loaded_from_disk=` attribute value
fn loaded_from_disk(&self, attr: &Attribute) -> Labels {
for item in attr.meta_item_list().unwrap_or_else(Vec::new) {
for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) {
if item.has_name(LOADED_FROM_DISK) {
let value = expect_associated_value(self.tcx, &item);
return self.resolve_labels(&item, value);
@ -217,7 +219,7 @@ impl<'tcx> DirtyCleanVisitor<'tcx> {
/// `except=` attribute value
fn except(&self, attr: &Attribute) -> Labels {
for item in attr.meta_item_list().unwrap_or_else(Vec::new) {
for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) {
if item.has_name(EXCEPT) {
let value = expect_associated_value(self.tcx, &item);
return self.resolve_labels(&item, value);
@ -397,7 +399,7 @@ fn check_config(tcx: TyCtxt<'_>, attr: &Attribute) -> bool {
let config = &tcx.sess.parse_sess.config;
debug!("check_config: config={:?}", config);
let mut cfg = None;
for item in attr.meta_item_list().unwrap_or_else(Vec::new) {
for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) {
if item.has_name(CFG) {
let value = expect_associated_value(tcx, &item);
debug!("check_config: searching for cfg {:?}", value);