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-rw-r--r--crates/ra_ide_api_light/src/formatting.rs19
-rw-r--r--crates/ra_ide_api_light/src/typing.rs40
2 files changed, 56 insertions, 3 deletions
diff --git a/crates/ra_ide_api_light/src/formatting.rs b/crates/ra_ide_api_light/src/formatting.rs
index ca0fdb928..1f34b85d6 100644
--- a/crates/ra_ide_api_light/src/formatting.rs
+++ b/crates/ra_ide_api_light/src/formatting.rs
@@ -7,9 +7,22 @@ use ra_syntax::{
7 7
8/// If the node is on the beginning of the line, calculate indent. 8/// If the node is on the beginning of the line, calculate indent.
9pub(crate) fn leading_indent(node: &SyntaxNode) -> Option<&str> { 9pub(crate) fn leading_indent(node: &SyntaxNode) -> Option<&str> {
10 let prev = prev_leaf(node)?; 10 for leaf in prev_leaves(node) {
11 let ws_text = ast::Whitespace::cast(prev)?.text(); 11 if let Some(ws) = ast::Whitespace::cast(leaf) {
12 ws_text.rfind('\n').map(|pos| &ws_text[pos + 1..]) 12 let ws_text = ws.text();
13 if let Some(pos) = ws_text.rfind('\n') {
14 return Some(&ws_text[pos + 1..]);
15 }
16 }
17 if leaf.leaf_text().unwrap().contains('\n') {
18 break;
19 }
20 }
21 None
22}
23
24fn prev_leaves(node: &SyntaxNode) -> impl Iterator<Item = &SyntaxNode> {
25 generate(prev_leaf(node), |&node| prev_leaf(node))
13} 26}
14 27
15fn prev_leaf(node: &SyntaxNode) -> Option<&SyntaxNode> { 28fn prev_leaf(node: &SyntaxNode) -> Option<&SyntaxNode> {
diff --git a/crates/ra_ide_api_light/src/typing.rs b/crates/ra_ide_api_light/src/typing.rs
index 5ff2b7c1f..861027b9f 100644
--- a/crates/ra_ide_api_light/src/typing.rs
+++ b/crates/ra_ide_api_light/src/typing.rs
@@ -296,6 +296,46 @@ fn foo() {
296 } 296 }
297 297
298 #[test] 298 #[test]
299 fn indents_middle_of_chain_call() {
300 type_dot(
301 r"
302 fn source_impl() {
303 let var = enum_defvariant_list().unwrap()
304 <|>
305 .nth(92)
306 .unwrap();
307 }
308 ",
309 r"
310 fn source_impl() {
311 let var = enum_defvariant_list().unwrap()
312 .
313 .nth(92)
314 .unwrap();
315 }
316 ",
317 );
318 type_dot(
319 r"
320 fn source_impl() {
321 let var = enum_defvariant_list().unwrap()
322 <|>
323 .nth(92)
324 .unwrap();
325 }
326 ",
327 r"
328 fn source_impl() {
329 let var = enum_defvariant_list().unwrap()
330 .
331 .nth(92)
332 .unwrap();
333 }
334 ",
335 );
336 }
337
338 #[test]
299 fn dont_indent_freestanding_dot() { 339 fn dont_indent_freestanding_dot() {
300 type_dot( 340 type_dot(
301 r" 341 r"