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internal: remove a remnant of old editing infra

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This commit is contained in:
Aleksey Kladov 2021-08-14 18:24:42 +03:00
parent 90357a9090
commit dc17b35e62
2 changed files with 18 additions and 43 deletions
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30
crates/syntax/src/ast/edit.rs
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@ -1,28 +1,16 @@
//! This module contains functions for editing syntax trees. As the trees are
//! immutable, all function here return a fresh copy of the tree, instead of
//! doing an in-place modification.
use std::{
fmt, iter,
ops::{self, RangeInclusive},
};
use std::{fmt, iter, ops};
use crate::{
algo,
ast::{self, make, AstNode},
ted, AstToken, NodeOrToken, SyntaxElement, SyntaxKind,
ted, AstToken, NodeOrToken, SyntaxElement,
SyntaxKind::{ATTR, COMMENT, WHITESPACE},
SyntaxNode, SyntaxToken,
};
impl ast::BinExpr {
#[must_use]
pub fn replace_op(&self, op: SyntaxKind) -> Option<ast::BinExpr> {
let op_node: SyntaxElement = self.op_details()?.0.into();
let to_insert: Option<SyntaxElement> = Some(make::token(op).into());
Some(self.replace_children(single_node(op_node), to_insert))
}
}
impl ast::UseTree {
/// Splits off the given prefix, making it the path component of the use tree, appending the rest of the path to all UseTreeList items.
#[must_use]
@ -191,15 +179,6 @@ fn prev_tokens(token: SyntaxToken) -> impl Iterator<Item = SyntaxToken> {
}
pub trait AstNodeEdit: AstNode + Clone + Sized {
#[must_use]
fn replace_children(
&self,
to_replace: RangeInclusive<SyntaxElement>,
to_insert: impl IntoIterator<Item = SyntaxElement>,
) -> Self {
let new_syntax = algo::replace_children(self.syntax(), to_replace, to_insert);
Self::cast(new_syntax).unwrap()
}
fn indent_level(&self) -> IndentLevel {
IndentLevel::from_node(self.syntax())
}
@ -220,11 +199,6 @@ pub trait AstNodeEdit: AstNode + Clone + Sized {
impl<N: AstNode + Clone> AstNodeEdit for N {}
fn single_node(element: impl Into<SyntaxElement>) -> RangeInclusive<SyntaxElement> {
let element = element.into();
element.clone()..=element
}
#[test]
fn test_increase_indent() {
let arm_list = {