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-rw-r--r--crates/completion/src/completions/postfix.rs65
-rw-r--r--crates/completion/src/lib.rs2
2 files changed, 56 insertions, 11 deletions
diff --git a/crates/completion/src/completions/postfix.rs b/crates/completion/src/completions/postfix.rs
index b4fac74a0..1785794cc 100644
--- a/crates/completion/src/completions/postfix.rs
+++ b/crates/completion/src/completions/postfix.rs
@@ -5,6 +5,7 @@ mod format_like;
5use ide_db::ty_filter::TryEnum; 5use ide_db::ty_filter::TryEnum;
6use syntax::{ 6use syntax::{
7 ast::{self, AstNode, AstToken}, 7 ast::{self, AstNode, AstToken},
8 SyntaxKind::BLOCK_EXPR,
8 TextRange, TextSize, 9 TextRange, TextSize,
9}; 10};
10use text_edit::TextEdit; 11use text_edit::TextEdit;
@@ -220,17 +221,29 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
220 ) 221 )
221 .add_to(acc); 222 .add_to(acc);
222 223
223 postfix_snippet(ctx, cap, &dot_receiver, "let", "let", &format!("let $0 = {};", receiver_text)) 224 let parent_node = dot_receiver.syntax().parent().and_then(|p| p.parent());
224 .add_to(acc); 225 if let Some(parent) = parent_node {
225 postfix_snippet( 226 if parent.kind() == BLOCK_EXPR {
226 ctx, 227 postfix_snippet(
227 cap, 228 ctx,
228 &dot_receiver, 229 cap,
229 "letm", 230 &dot_receiver,
230 "let mut", 231 "let",
231 &format!("let mut $0 = {};", receiver_text), 232 "let",
232 ) 233 &format!("let $0 = {};", receiver_text),
233 .add_to(acc); 234 )
235 .add_to(acc);
236 postfix_snippet(
237 ctx,
238 cap,
239 &dot_receiver,
240 "letm",
241 "let mut",
242 &format!("let mut $0 = {};", receiver_text),
243 )
244 .add_to(acc);
245 }
246 }
234 247
235 if let ast::Expr::Literal(literal) = dot_receiver.clone() { 248 if let ast::Expr::Literal(literal) = dot_receiver.clone() {
236 if let Some(literal_text) = ast::String::cast(literal.token()) { 249 if let Some(literal_text) = ast::String::cast(literal.token()) {
@@ -322,6 +335,36 @@ fn main() {
322 } 335 }
323 336
324 #[test] 337 #[test]
338 fn postfix_completion_works_for_function_calln() {
339 check(
340 r#"
341fn foo(elt: bool) -> bool {
342 !elt
343}
344
345fn main() {
346 let bar = true;
347 foo(bar.<|>)
348}
349"#,
350 expect![[r#"
351 sn box Box::new(expr)
352 sn call function(expr)
353 sn dbg dbg!(expr)
354 sn dbgr dbg!(&expr)
355 sn if if expr {}
356 sn match match expr {}
357 sn not !expr
358 sn ok Ok(expr)
359 sn ref &expr
360 sn refm &mut expr
361 sn some Some(expr)
362 sn while while expr {}
363 "#]],
364 );
365 }
366
367 #[test]
325 fn postfix_type_filtering() { 368 fn postfix_type_filtering() {
326 check( 369 check(
327 r#" 370 r#"
diff --git a/crates/completion/src/lib.rs b/crates/completion/src/lib.rs
index cb6e0554e..ac57683fb 100644
--- a/crates/completion/src/lib.rs
+++ b/crates/completion/src/lib.rs
@@ -44,6 +44,8 @@ pub use crate::{
44// - `expr.while` -> `while expr {}` or `while let ... {}` for `Option` or `Result` 44// - `expr.while` -> `while expr {}` or `while let ... {}` for `Option` or `Result`
45// - `expr.ref` -> `&expr` 45// - `expr.ref` -> `&expr`
46// - `expr.refm` -> `&mut expr` 46// - `expr.refm` -> `&mut expr`
47// - `expr.let` -> `let <|> = expr;`
48// - `expr.letm` -> `let mut <|> = expr;`
47// - `expr.not` -> `!expr` 49// - `expr.not` -> `!expr`
48// - `expr.dbg` -> `dbg!(expr)` 50// - `expr.dbg` -> `dbg!(expr)`
49// - `expr.dbgr` -> `dbg!(&expr)` 51// - `expr.dbgr` -> `dbg!(&expr)`