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cleanup imports

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This commit is contained in:
Aleksey Kladov 2021-12-27 15:03:05 +03:00
parent 23ce31e836
commit d3ba55bd06
1 changed files with 14 additions and 15 deletions
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29
crates/mbe/src/expander/matcher.rs
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@ -61,18 +61,17 @@
use std::rc::Rc;
use parser::ParserEntryPoint;
use smallvec::{smallvec, SmallVec};
use syntax::SmolStr;
use crate::{
expander::{Binding, Bindings, Fragment},
expander::{Binding, Bindings, ExpandResult, Fragment},
parser::{Op, RepeatKind, Separator},
tt_iter::TtIter,
ExpandError, MetaTemplate,
};
use super::ExpandResult;
use parser::ParserEntryPoint::*;
use smallvec::{smallvec, SmallVec};
use syntax::SmolStr;
impl Bindings {
fn push_optional(&mut self, name: &SmolStr) {
// FIXME: Do we have a better way to represent an empty token ?
@ -691,14 +690,14 @@ fn match_leaf(lhs: &tt::Leaf, src: &mut TtIter) -> Result<(), ExpandError> {
fn match_meta_var(kind: &str, input: &mut TtIter) -> ExpandResult<Option<Fragment>> {
let fragment = match kind {
"path" => Path,
"expr" => Expr,
"ty" => Type,
"pat" | "pat_param" => Pattern, // FIXME: edition2021
"stmt" => Statement,
"block" => Block,
"meta" => MetaItem,
"item" => Item,
"path" => ParserEntryPoint::Path,
"expr" => ParserEntryPoint::Expr,
"ty" => ParserEntryPoint::Type,
"pat" | "pat_param" => ParserEntryPoint::Pattern, // FIXME: edition2021
"stmt" => ParserEntryPoint::Statement,
"block" => ParserEntryPoint::Block,
"meta" => ParserEntryPoint::MetaItem,
"item" => ParserEntryPoint::Item,
_ => {
let tt_result = match kind {
"ident" => input
@ -896,7 +895,7 @@ impl<'a> TtIter<'a> {
}
fn eat_vis(&mut self) -> Option<tt::TokenTree> {
self.expect_fragment(Visibility).value
self.expect_fragment(ParserEntryPoint::Visibility).value
}
fn eat_char(&mut self, c: char) -> Option<tt::TokenTree> {