language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-29 13:25:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

fix re-indent

Browse source
This commit is contained in:
Aleksey Kladov 2019-01-25 11:23:15 +03:00
parent e53eab3f25
commit dbd28e4203
2 changed files with 56 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

19
crates/ra_ide_api_light/src/formatting.rs
View file

@ -7,9 +7,22 @@ use ra_syntax::{
/// If the node is on the beginning of the line, calculate indent.
pub(crate) fn leading_indent(node: &SyntaxNode) -> Option<&str> {
let prev = prev_leaf(node)?;
let ws_text = ast::Whitespace::cast(prev)?.text();
ws_text.rfind('\n').map(|pos| &ws_text[pos + 1..])
for leaf in prev_leaves(node) {
if let Some(ws) = ast::Whitespace::cast(leaf) {
let ws_text = ws.text();
if let Some(pos) = ws_text.rfind('\n') {
return Some(&ws_text[pos + 1..]);
}
}
if leaf.leaf_text().unwrap().contains('\n') {
break;
}
}
None
}
fn prev_leaves(node: &SyntaxNode) -> impl Iterator<Item = &SyntaxNode> {
generate(prev_leaf(node), |&node| prev_leaf(node))
}
fn prev_leaf(node: &SyntaxNode) -> Option<&SyntaxNode> {