From 2052d33b9b0e2254f53848501a9113aa12ddf4da Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sat, 15 Aug 2020 18:22:16 +0200
Subject: Remove deprecated Path::from_ast

Long term, we probably should make hir::Path private to hir.
---
 crates/assists/src/ast_transform.rs | 32 +++++++++++++-------------------
 crates/hir_def/src/path.rs          |  6 ------
 2 files changed, 13 insertions(+), 25 deletions(-)

diff --git a/crates/assists/src/ast_transform.rs b/crates/assists/src/ast_transform.rs
index 4c41c16d8..5216862ba 100644
--- a/crates/assists/src/ast_transform.rs
+++ b/crates/assists/src/ast_transform.rs
@@ -7,6 +7,17 @@ use syntax::{
     ast::{self, AstNode},
 };
 
+pub fn apply<'a, N: AstNode>(transformer: &dyn AstTransform<'a>, node: N) -> N {
+    SyntaxRewriter::from_fn(|element| match element {
+        syntax::SyntaxElement::Node(n) => {
+            let replacement = transformer.get_substitution(&n)?;
+            Some(replacement.into())
+        }
+        _ => None,
+    })
+    .rewrite_ast(&node)
+}
+
 pub trait AstTransform<'a> {
     fn get_substitution(&self, node: &syntax::SyntaxNode) -> Option<syntax::SyntaxNode>;
 
@@ -107,10 +118,7 @@ impl<'a> SubstituteTypeParams<'a> {
             ast::Type::PathType(path_type) => path_type.path()?,
             _ => return None,
         };
-        // FIXME: use `hir::Path::from_src` instead.
-        #[allow(deprecated)]
-        let path = hir::Path::from_ast(path)?;
-        let resolution = self.source_scope.resolve_hir_path(&path)?;
+        let resolution = self.source_scope.speculative_resolve(&path)?;
         match resolution {
             hir::PathResolution::TypeParam(tp) => Some(self.substs.get(&tp)?.syntax().clone()),
             _ => None,
@@ -146,10 +154,7 @@ impl<'a> QualifyPaths<'a> {
             // don't try to qualify `Fn(Foo) -> Bar` paths, they are in prelude anyway
             return None;
         }
-        // FIXME: use `hir::Path::from_src` instead.
-        #[allow(deprecated)]
-        let hir_path = hir::Path::from_ast(p.clone());
-        let resolution = self.source_scope.resolve_hir_path(&hir_path?)?;
+        let resolution = self.source_scope.speculative_resolve(&p)?;
         match resolution {
             PathResolution::Def(def) => {
                 let found_path = from.find_use_path(self.source_scope.db.upcast(), def)?;
@@ -175,17 +180,6 @@ impl<'a> QualifyPaths<'a> {
     }
 }
 
-pub fn apply<'a, N: AstNode>(transformer: &dyn AstTransform<'a>, node: N) -> N {
-    SyntaxRewriter::from_fn(|element| match element {
-        syntax::SyntaxElement::Node(n) => {
-            let replacement = transformer.get_substitution(&n)?;
-            Some(replacement.into())
-        }
-        _ => None,
-    })
-    .rewrite_ast(&node)
-}
-
 impl<'a> AstTransform<'a> for QualifyPaths<'a> {
     fn get_substitution(&self, node: &syntax::SyntaxNode) -> Option<syntax::SyntaxNode> {
         self.get_substitution_inner(node).or_else(|| self.previous.get_substitution(node))
diff --git a/crates/hir_def/src/path.rs b/crates/hir_def/src/path.rs
index 74d26f08b..99395667d 100644
--- a/crates/hir_def/src/path.rs
+++ b/crates/hir_def/src/path.rs
@@ -153,12 +153,6 @@ pub enum GenericArg {
 }
 
 impl Path {
-    /// Converts an `ast::Path` to `Path`. Works with use trees.
-    #[deprecated = "Doesn't handle hygiene, don't add new calls, remove old ones"]
-    pub fn from_ast(path: ast::Path) -> Option<Path> {
-        lower::lower_path(path, &Hygiene::new_unhygienic())
-    }
-
     /// Converts an `ast::Path` to `Path`. Works with use trees.
     /// It correctly handles `$crate` based path from macro call.
     pub fn from_src(path: ast::Path, hygiene: &Hygiene) -> Option<Path> {
-- 
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