Mirrors/rust-analyzer
2
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer synced 2025-01-14 06:03:58 +00:00
Code Issues Projects Releases Packages Wiki Activity

dead code

Browse source
This commit is contained in:
Aleksey Kladov 2021-05-08 19:54:03 +03:00
parent 2a4819ca19
commit 880ddddfe6
1 changed files with 1 additions and 121 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

122
crates/syntax/src/algo.rs
View file

@ -1,10 +1,6 @@
//! FIXME: write short doc here //! FIXME: write short doc here
use std::{ use std::{fmt, hash::BuildHasherDefault, ops::RangeInclusive};
fmt,
hash::BuildHasherDefault,
ops::{self, RangeInclusive},
};
use indexmap::IndexMap; use indexmap::IndexMap;
use itertools::Itertools; use itertools::Itertools;
@ -358,107 +354,11 @@ impl fmt::Debug for SyntaxRewriter<'_> {
} }
impl SyntaxRewriter<'_> { impl SyntaxRewriter<'_> {
pub fn delete<T: Clone + Into<SyntaxElement>>(&mut self, what: &T) {
let what = what.clone().into();
let replacement = Replacement::Delete;
self.replacements.insert(what, replacement);
}
pub fn insert_before<T: Clone + Into<SyntaxElement>, U: Clone + Into<SyntaxElement>>(
&mut self,
before: &T,
what: &U,
) {
let before = before.clone().into();
let pos = match before.prev_sibling_or_token() {
Some(sibling) => InsertPos::After(sibling),
None => match before.parent() {
Some(parent) => InsertPos::FirstChildOf(parent),
None => return,
},
};
self.insertions.entry(pos).or_insert_with(Vec::new).push(what.clone().into());
}
pub fn insert_after<T: Clone + Into<SyntaxElement>, U: Clone + Into<SyntaxElement>>(
&mut self,
after: &T,
what: &U,
) {
self.insertions
.entry(InsertPos::After(after.clone().into()))
.or_insert_with(Vec::new)
.push(what.clone().into());
}
pub fn insert_as_first_child<T: Clone + Into<SyntaxNode>, U: Clone + Into<SyntaxElement>>(
&mut self,
parent: &T,
what: &U,
) {
self.insertions
.entry(InsertPos::FirstChildOf(parent.clone().into()))
.or_insert_with(Vec::new)
.push(what.clone().into());
}
pub fn insert_many_before<
T: Clone + Into<SyntaxElement>,
U: IntoIterator<Item = SyntaxElement>,
>(
&mut self,
before: &T,
what: U,
) {
let before = before.clone().into();
let pos = match before.prev_sibling_or_token() {
Some(sibling) => InsertPos::After(sibling),
None => match before.parent() {
Some(parent) => InsertPos::FirstChildOf(parent),
None => return,
},
};
self.insertions.entry(pos).or_insert_with(Vec::new).extend(what);
}
pub fn insert_many_after<
T: Clone + Into<SyntaxElement>,
U: IntoIterator<Item = SyntaxElement>,
>(
&mut self,
after: &T,
what: U,
) {
self.insertions
.entry(InsertPos::After(after.clone().into()))
.or_insert_with(Vec::new)
.extend(what);
}
pub fn insert_many_as_first_children<
T: Clone + Into<SyntaxNode>,
U: IntoIterator<Item = SyntaxElement>,
>(
&mut self,
parent: &T,
what: U,
) {
self.insertions
.entry(InsertPos::FirstChildOf(parent.clone().into()))
.or_insert_with(Vec::new)
.extend(what)
}
pub fn replace<T: Clone + Into<SyntaxElement>>(&mut self, what: &T, with: &T) { pub fn replace<T: Clone + Into<SyntaxElement>>(&mut self, what: &T, with: &T) {
let what = what.clone().into(); let what = what.clone().into();
let replacement = Replacement::Single(with.clone().into()); let replacement = Replacement::Single(with.clone().into());
self.replacements.insert(what, replacement); self.replacements.insert(what, replacement);
} }
pub fn replace_with_many<T: Clone + Into<SyntaxElement>>(
&mut self,
what: &T,
with: Vec<SyntaxElement>,
) {
let what = what.clone().into();
let replacement = Replacement::Many(with);
self.replacements.insert(what, replacement);
}
pub fn replace_ast<T: AstNode>(&mut self, what: &T, with: &T) {
self.replace(what.syntax(), with.syntax())
}
pub fn rewrite(&self, node: &SyntaxNode) -> SyntaxNode { pub fn rewrite(&self, node: &SyntaxNode) -> SyntaxNode {
let _p = profile::span("rewrite"); let _p = profile::span("rewrite");
@ -534,10 +434,6 @@ impl SyntaxRewriter<'_> {
if let Some(replacement) = self.replacement(&element) { if let Some(replacement) = self.replacement(&element) {
match replacement { match replacement {
Replacement::Single(element) => acc.push(element_to_green(element)), Replacement::Single(element) => acc.push(element_to_green(element)),
Replacement::Many(replacements) => {
acc.extend(replacements.into_iter().map(element_to_green))
}
Replacement::Delete => (),
}; };
} else { } else {
match element { match element {
@ -560,25 +456,9 @@ fn element_to_green(element: SyntaxElement) -> NodeOrToken<rowan::GreenNode, row
} }
} }
impl ops::AddAssign for SyntaxRewriter<'_> {
fn add_assign(&mut self, rhs: SyntaxRewriter) {
self.replacements.extend(rhs.replacements);
for (pos, insertions) in rhs.insertions.into_iter() {
match self.insertions.entry(pos) {
indexmap::map::Entry::Occupied(mut occupied) => {
occupied.get_mut().extend(insertions)
}
indexmap::map::Entry::Vacant(vacant) => drop(vacant.insert(insertions)),
}
}
}
}
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
enum Replacement { enum Replacement {
Delete,
Single(SyntaxElement), Single(SyntaxElement),
Many(Vec<SyntaxElement>),
} }
fn with_children( fn with_children(