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authorgfreezy <[email protected]>2019-01-01 14:45:53 +0000
committergfreezy <[email protected]>2019-01-01 14:45:53 +0000
commit22ea00d5ff2a993735702ec8e28fecfcbf4ffc4f (patch)
tree673ab5897a62d6c8772cff50651f6cabd5c5be3e /crates/ra_analysis/src/completion
parentf408b1caa3acdaf7b05498963e70da7f662bf2e3 (diff)
complete "self" and "super"
Diffstat (limited to 'crates/ra_analysis/src/completion')
-rw-r--r--crates/ra_analysis/src/completion/complete_keyword.rs64
1 files changed, 44 insertions, 20 deletions
diff --git a/crates/ra_analysis/src/completion/complete_keyword.rs b/crates/ra_analysis/src/completion/complete_keyword.rs
index a6fbd1e81..dd81fc008 100644
--- a/crates/ra_analysis/src/completion/complete_keyword.rs
+++ b/crates/ra_analysis/src/completion/complete_keyword.rs
@@ -15,28 +15,38 @@ fn keyword(kw: &str, snippet: &str) -> CompletionItem {
15} 15}
16 16
17pub(super) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionContext) { 17pub(super) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionContext) {
18 if !ctx.is_trivial_path {
19 return;
20 }
21
22 // complete keyword "crate" in use stmt 18 // complete keyword "crate" in use stmt
23 if let (Some(use_item), None) = (&ctx.use_item_syntax, &ctx.path_prefix) { 19 match (ctx.use_item_syntax.as_ref(), ctx.path_prefix.as_ref()) {
24 let mut complete_crate = false; 20 (Some(_), None) => {
25 let use_tree = use_item.use_tree();
26 if let Some(use_tree) = use_tree {
27 let tree_str = use_tree.syntax().text().to_string();
28 if tree_str != "crate" && "crate".starts_with(&tree_str) {
29 complete_crate = true;
30 }
31 } else {
32 complete_crate = true;
33 }
34 if complete_crate {
35 CompletionItem::new(CompletionKind::Keyword, "crate") 21 CompletionItem::new(CompletionKind::Keyword, "crate")
36 .kind(CompletionItemKind::Keyword) 22 .kind(CompletionItemKind::Keyword)
37 .lookup_by("crate") 23 .lookup_by("crate")
24 .snippet("crate::")
25 .add_to(acc);
26 CompletionItem::new(CompletionKind::Keyword, "self")
27 .kind(CompletionItemKind::Keyword)
28 .lookup_by("self")
29 .add_to(acc);
30 CompletionItem::new(CompletionKind::Keyword, "super")
31 .kind(CompletionItemKind::Keyword)
32 .lookup_by("super")
38 .add_to(acc); 33 .add_to(acc);
39 } 34 }
35 (Some(_), Some(_)) => {
36 CompletionItem::new(CompletionKind::Keyword, "self")
37 .kind(CompletionItemKind::Keyword)
38 .lookup_by("self")
39 .add_to(acc);
40 CompletionItem::new(CompletionKind::Keyword, "super")
41 .kind(CompletionItemKind::Keyword)
42 .lookup_by("super")
43 .add_to(acc);
44 }
45 _ => {}
46 }
47
48 if !ctx.is_trivial_path {
49 return;
40 } 50 }
41 51
42 let fn_def = match ctx.function_syntax { 52 let fn_def = match ctx.function_syntax {
@@ -292,21 +302,35 @@ mod tests {
292 } 302 }
293 303
294 #[test] 304 #[test]
295 fn completes_crate_in_use_stmt() { 305 fn completes_keywords_in_use_stmt() {
296 check_keyword_completion( 306 check_keyword_completion(
297 r" 307 r"
298 use <|> 308 use <|>
299 ", 309 ",
300 r#" 310 r#"
301 crate "crate" 311 crate "crate" "crate::"
312 self "self"
313 super "super"
302 "#, 314 "#,
303 ); 315 );
304 // No completion: lambda isolates control flow 316
317 check_keyword_completion(
318 r"
319 use a::<|>
320 ",
321 r#"
322 self "self"
323 super "super"
324 "#,
325 );
326
305 check_keyword_completion( 327 check_keyword_completion(
306 r" 328 r"
307 use a<|> 329 use a::{b, <|>}
308 ", 330 ",
309 r#" 331 r#"
332 self "self"
333 super "super"
310 "#, 334 "#,
311 ); 335 );
312 } 336 }