From 0729913525a55cad3ffe9876c1eb05f7b880d22d Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Mon, 21 Jun 2021 15:14:28 +0200
Subject: Various keyword completion fixes

---
 crates/ide_completion/src/completions/keyword.rs |  6 +++++-
 crates/ide_completion/src/context.rs             |  7 +++++--
 crates/ide_completion/src/patterns.rs            |  9 ++++++++-
 crates/ide_completion/src/tests/type_pos.rs      | 16 ++++------------
 4 files changed, 22 insertions(+), 16 deletions(-)

(limited to 'crates')

diff --git a/crates/ide_completion/src/completions/keyword.rs b/crates/ide_completion/src/completions/keyword.rs
index e40ec6280..407f796ef 100644
--- a/crates/ide_completion/src/completions/keyword.rs
+++ b/crates/ide_completion/src/completions/keyword.rs
@@ -92,7 +92,7 @@ pub(crate) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionConte
     }
 
     if !ctx.has_visibility_prev_sibling()
-        && (expects_item || ctx.expects_non_trait_assoc_item() || ctx.expect_record_field())
+        && (expects_item || ctx.expects_non_trait_assoc_item() || ctx.expect_field())
     {
         add_keyword("pub(crate)", "pub(crate) ");
         add_keyword("pub", "pub ");
@@ -122,6 +122,10 @@ pub(crate) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionConte
         add_keyword("union", "union $1 {\n    $0\n}");
     }
 
+    if ctx.expects_type() {
+        return;
+    }
+
     if ctx.expects_expression() {
         if !has_block_expr_parent {
             add_keyword("unsafe", "unsafe {\n    $0\n}");
diff --git a/crates/ide_completion/src/context.rs b/crates/ide_completion/src/context.rs
index e49e434fa..4814bd64d 100644
--- a/crates/ide_completion/src/context.rs
+++ b/crates/ide_completion/src/context.rs
@@ -286,8 +286,11 @@ impl<'a> CompletionContext<'a> {
         )
     }
 
-    pub(crate) fn expect_record_field(&self) -> bool {
-        matches!(self.completion_location, Some(ImmediateLocation::RecordField))
+    pub(crate) fn expect_field(&self) -> bool {
+        matches!(
+            self.completion_location,
+            Some(ImmediateLocation::RecordField | ImmediateLocation::TupleField)
+        )
     }
 
     pub(crate) fn in_use_tree(&self) -> bool {
diff --git a/crates/ide_completion/src/patterns.rs b/crates/ide_completion/src/patterns.rs
index 271409c38..757c9a3da 100644
--- a/crates/ide_completion/src/patterns.rs
+++ b/crates/ide_completion/src/patterns.rs
@@ -31,6 +31,7 @@ pub(crate) enum ImmediateLocation {
     Impl,
     Trait,
     RecordField,
+    TupleField,
     RefExpr,
     IdentPat,
     BlockExpr,
@@ -187,7 +188,13 @@ pub(crate) fn determine_location(
             ast::SourceFile(_it) => ImmediateLocation::ItemList,
             ast::ItemList(_it) => ImmediateLocation::ItemList,
             ast::RefExpr(_it) => ImmediateLocation::RefExpr,
-            ast::RecordField(_it) => ImmediateLocation::RecordField,
+            ast::RecordField(it) => if it.ty().map_or(false, |it| it.syntax().text_range().contains(offset)) {
+                return None;
+            } else {
+                ImmediateLocation::RecordField
+            },
+            ast::TupleField(_it) => ImmediateLocation::TupleField,
+            ast::TupleFieldList(_it) => ImmediateLocation::TupleField,
             ast::AssocItemList(it) => match it.syntax().parent().map(|it| it.kind()) {
                 Some(IMPL) => ImmediateLocation::Impl,
                 Some(TRAIT) => ImmediateLocation::Trait,
diff --git a/crates/ide_completion/src/tests/type_pos.rs b/crates/ide_completion/src/tests/type_pos.rs
index 2bfecdd08..1ab47b27e 100644
--- a/crates/ide_completion/src/tests/type_pos.rs
+++ b/crates/ide_completion/src/tests/type_pos.rs
@@ -23,7 +23,6 @@ macro_rules! makro {}
 
 #[test]
 fn record_field_ty() {
-    // FIXME: pub shouldnt show up here
     check_with(
         r#"
 struct Foo<'lt, T, const C: usize> {
@@ -31,8 +30,6 @@ struct Foo<'lt, T, const C: usize> {
 }
 "#,
         expect![[r#"
-            kw pub(crate)
-            kw pub
             sp Self
             tp T
             tt Trait
@@ -42,7 +39,7 @@ struct Foo<'lt, T, const C: usize> {
             md module
             st Foo<…>
             st Unit
-            ma makro!(…)  macro_rules! makro
+            ma makro!(…) macro_rules! makro
             bt u32
         "#]],
     )
@@ -50,12 +47,13 @@ struct Foo<'lt, T, const C: usize> {
 
 #[test]
 fn tuple_struct_field() {
-    // FIXME: pub should show up here
     check_with(
         r#"
 struct Foo<'lt, T, const C: usize>(f$0);
 "#,
         expect![[r#"
+            kw pub(crate)
+            kw pub
             sp Self
             tp T
             tt Trait
@@ -65,7 +63,7 @@ struct Foo<'lt, T, const C: usize>(f$0);
             md module
             st Foo<…>
             st Unit
-            ma makro!(…) macro_rules! makro
+            ma makro!(…)  macro_rules! makro
             bt u32
         "#]],
     )
@@ -73,13 +71,11 @@ struct Foo<'lt, T, const C: usize>(f$0);
 
 #[test]
 fn fn_return_type() {
-    // FIXME: return shouldnt show up here
     check_with(
         r#"
 fn x<'lt, T, const C: usize>() -> $0
 "#,
         expect![[r#"
-            kw return
             tp T
             tt Trait
             en Enum
@@ -95,7 +91,6 @@ fn x<'lt, T, const C: usize>() -> $0
 
 #[test]
 fn body_type_pos() {
-    // FIXME: return shouldnt show up here
     check_with(
         r#"
 fn foo<'lt, T, const C: usize>() {
@@ -104,7 +99,6 @@ fn foo<'lt, T, const C: usize>() {
 }
 "#,
         expect![[r#"
-            kw return
             tp T
             tt Trait
             en Enum
@@ -136,7 +130,6 @@ fn foo<'lt, T, const C: usize>() {
 
 #[test]
 fn completes_types_and_const_in_arg_list() {
-    // FIXME: return shouldnt show up here
     // FIXME: we should complete the lifetime here for now
     check_with(
         r#"
@@ -147,7 +140,6 @@ trait Trait2 {
 fn foo<'lt, T: Trait2<$0>, const CONST_PARAM: usize>(_: T) {}
 "#,
         expect![[r#"
-            kw return
             ta Foo =       type Foo;
             tp T
             cp CONST_PARAM
-- 
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