From 9ea6ee6b2785da02ff1963fbbc2eea340450905c Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Wed, 16 Jun 2021 17:56:04 +0200
Subject: Don't show incorrect completions after unsafe or visiblity node

---
 crates/ide_completion/src/completions/keyword.rs | 22 ++++++++++++----------
 crates/ide_completion/src/completions/snippet.rs |  7 ++++++-
 2 files changed, 18 insertions(+), 11 deletions(-)

(limited to 'crates/ide_completion/src/completions')

diff --git a/crates/ide_completion/src/completions/keyword.rs b/crates/ide_completion/src/completions/keyword.rs
index 0bfdf9603..7970e75c7 100644
--- a/crates/ide_completion/src/completions/keyword.rs
+++ b/crates/ide_completion/src/completions/keyword.rs
@@ -90,11 +90,13 @@ pub(crate) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionConte
     }
 
     if expects_item || has_block_expr_parent {
+        if !ctx.has_visibility_prev_sibling() {
+            add_keyword("impl", "impl $1 {\n    $0\n}");
+            add_keyword("extern", "extern $0");
+        }
         add_keyword("use", "use $0");
-        add_keyword("impl", "impl $1 {\n    $0\n}");
         add_keyword("trait", "trait $1 {\n    $0\n}");
         add_keyword("static", "static $0");
-        add_keyword("extern", "extern $0");
         add_keyword("mod", "mod $0");
     }
 
@@ -241,11 +243,11 @@ mod tests {
                 kw fn
                 kw const
                 kw type
-                kw use
                 kw impl
+                kw extern
+                kw use
                 kw trait
                 kw static
-                kw extern
                 kw mod
                 kw match
                 kw while
@@ -269,11 +271,11 @@ mod tests {
                 kw fn
                 kw const
                 kw type
-                kw use
                 kw impl
+                kw extern
+                kw use
                 kw trait
                 kw static
-                kw extern
                 kw mod
                 kw match
                 kw while
@@ -297,11 +299,11 @@ mod tests {
                 kw fn
                 kw const
                 kw type
-                kw use
                 kw impl
+                kw extern
+                kw use
                 kw trait
                 kw static
-                kw extern
                 kw mod
                 kw match
                 kw while
@@ -399,11 +401,11 @@ fn quux() -> i32 {
                 kw fn
                 kw const
                 kw type
-                kw use
                 kw impl
+                kw extern
+                kw use
                 kw trait
                 kw static
-                kw extern
                 kw mod
                 kw match
                 kw while
diff --git a/crates/ide_completion/src/completions/snippet.rs b/crates/ide_completion/src/completions/snippet.rs
index 5560f1acf..4e64a0090 100644
--- a/crates/ide_completion/src/completions/snippet.rs
+++ b/crates/ide_completion/src/completions/snippet.rs
@@ -1,6 +1,7 @@
 //! This file provides snippet completions, like `pd` => `eprintln!(...)`.
 
 use ide_db::helpers::SnippetCap;
+use syntax::T;
 
 use crate::{
     context::PathCompletionContext, item::Builder, CompletionContext, CompletionItem,
@@ -35,9 +36,13 @@ pub(crate) fn complete_expr_snippet(acc: &mut Completions, ctx: &CompletionConte
 }
 
 pub(crate) fn complete_item_snippet(acc: &mut Completions, ctx: &CompletionContext) {
-    if !ctx.expects_item() {
+    if !ctx.expects_item() || ctx.previous_token_is(T![unsafe]) {
         return;
     }
+    if ctx.has_visibility_prev_sibling() {
+        return; // technically we could do some of these snippet completions if we were to put the
+                // attributes before the vis node.
+    }
     let cap = match ctx.config.snippet_cap {
         Some(it) => it,
         None => return,
-- 
cgit v1.2.3