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-rw-r--r--crates/ra_ide/src/completion/complete_keyword.rs34
-rw-r--r--crates/ra_ide/src/completion/completion_context.rs4
2 files changed, 27 insertions, 11 deletions
diff --git a/crates/ra_ide/src/completion/complete_keyword.rs b/crates/ra_ide/src/completion/complete_keyword.rs
index 2dc401f57..921d610e6 100644
--- a/crates/ra_ide/src/completion/complete_keyword.rs
+++ b/crates/ra_ide/src/completion/complete_keyword.rs
@@ -92,20 +92,18 @@ pub(super) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionConte
92 add_keyword(ctx, acc, "union", "union $0 {}"); 92 add_keyword(ctx, acc, "union", "union $0 {}");
93 } 93 }
94 94
95 if ctx.block_expr_parent || ctx.is_match_arm { 95 if ctx.can_be_expr {
96 add_keyword(ctx, acc, "match", "match $0 {}"); 96 add_keyword(ctx, acc, "match", "match $0 {}");
97 add_keyword(ctx, acc, "loop", "loop {$0}");
98 }
99 if ctx.block_expr_parent {
100 add_keyword(ctx, acc, "while", "while $0 {}"); 97 add_keyword(ctx, acc, "while", "while $0 {}");
98 add_keyword(ctx, acc, "loop", "loop {$0}");
99 add_keyword(ctx, acc, "if", "if ");
100 add_keyword(ctx, acc, "if let", "if let ");
101 } 101 }
102
102 if ctx.if_is_prev || ctx.block_expr_parent { 103 if ctx.if_is_prev || ctx.block_expr_parent {
103 add_keyword(ctx, acc, "let", "let "); 104 add_keyword(ctx, acc, "let", "let ");
104 } 105 }
105 if ctx.if_is_prev || ctx.block_expr_parent || ctx.is_match_arm { 106
106 add_keyword(ctx, acc, "if", "if ");
107 add_keyword(ctx, acc, "if let", "if let ");
108 }
109 if ctx.after_if { 107 if ctx.after_if {
110 add_keyword(ctx, acc, "else", "else {$0}"); 108 add_keyword(ctx, acc, "else", "else {$0}");
111 add_keyword(ctx, acc, "else if", "else if $0 {}"); 109 add_keyword(ctx, acc, "else if", "else if $0 {}");
@@ -343,9 +341,7 @@ mod tests {
343 check( 341 check(
344 r#" 342 r#"
345fn quux() -> i32 { 343fn quux() -> i32 {
346 match () { 344 match () { () => <|> }
347 () => <|>
348 }
349} 345}
350"#, 346"#,
351 expect![[r#" 347 expect![[r#"
@@ -355,6 +351,7 @@ fn quux() -> i32 {
355 kw match 351 kw match
356 kw return 352 kw return
357 kw unsafe 353 kw unsafe
354 kw while
358 "#]], 355 "#]],
359 ); 356 );
360 } 357 }
@@ -525,4 +522,19 @@ pub mod future {
525 "#]], 522 "#]],
526 ) 523 )
527 } 524 }
525
526 #[test]
527 fn after_let() {
528 check(
529 r#"fn main() { let _ = <|> }"#,
530 expect![[r#"
531 kw if
532 kw if let
533 kw loop
534 kw match
535 kw return
536 kw while
537 "#]],
538 )
539 }
528} 540}
diff --git a/crates/ra_ide/src/completion/completion_context.rs b/crates/ra_ide/src/completion/completion_context.rs
index 7688a1483..8e1f6dd98 100644
--- a/crates/ra_ide/src/completion/completion_context.rs
+++ b/crates/ra_ide/src/completion/completion_context.rs
@@ -53,6 +53,8 @@ pub(crate) struct CompletionContext<'a> {
53 pub(super) after_if: bool, 53 pub(super) after_if: bool,
54 /// `true` if we are a statement or a last expr in the block. 54 /// `true` if we are a statement or a last expr in the block.
55 pub(super) can_be_stmt: bool, 55 pub(super) can_be_stmt: bool,
56 /// `true` if we expect an expression at the cursor position.
57 pub(super) can_be_expr: bool,
56 /// Something is typed at the "top" level, in module or impl/trait. 58 /// Something is typed at the "top" level, in module or impl/trait.
57 pub(super) is_new_item: bool, 59 pub(super) is_new_item: bool,
58 /// The receiver if this is a field or method access, i.e. writing something.<|> 60 /// The receiver if this is a field or method access, i.e. writing something.<|>
@@ -127,6 +129,7 @@ impl<'a> CompletionContext<'a> {
127 path_prefix: None, 129 path_prefix: None,
128 after_if: false, 130 after_if: false,
129 can_be_stmt: false, 131 can_be_stmt: false,
132 can_be_expr: false,
130 is_new_item: false, 133 is_new_item: false,
131 dot_receiver: None, 134 dot_receiver: None,
132 is_call: false, 135 is_call: false,
@@ -403,6 +406,7 @@ impl<'a> CompletionContext<'a> {
403 None 406 None
404 }) 407 })
405 .unwrap_or(false); 408 .unwrap_or(false);
409 self.can_be_expr = path.syntax().parent().and_then(ast::PathExpr::cast).is_some();
406 410
407 if let Some(off) = name_ref.syntax().text_range().start().checked_sub(2.into()) { 411 if let Some(off) = name_ref.syntax().text_range().start().checked_sub(2.into()) {
408 if let Some(if_expr) = 412 if let Some(if_expr) =