From 2facd9517f0c58430514b9e4aa41f5996c994747 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Tue, 8 Dec 2020 13:47:58 +0100
Subject: Escape string literals in Attr::from_src

---
 crates/hir_def/src/attr.rs                         | 16 +++++-----------
 crates/hir_def/src/nameres/tests/mod_resolution.rs |  2 +-
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/crates/hir_def/src/attr.rs b/crates/hir_def/src/attr.rs
index af3edc9df..12f4b02e2 100644
--- a/crates/hir_def/src/attr.rs
+++ b/crates/hir_def/src/attr.rs
@@ -166,16 +166,16 @@ impl Attrs {
     }
 
     pub fn docs(&self) -> Option<Documentation> {
-        let mut docs = String::new();
-        self.by_key("doc")
+        let docs = self
+            .by_key("doc")
             .attrs()
             .flat_map(|attr| match attr.input.as_ref()? {
                 AttrInput::Literal(s) => Some(s),
                 AttrInput::TokenTree(_) => None,
             })
             .intersperse(&SmolStr::new_inline("\n"))
-            // No FromIterator<SmolStr> for String
-            .for_each(|s| docs.push_str(s.as_str()));
+            .map(|it| it.as_str())
+            .collect::<String>();
         if docs.is_empty() {
             None
         } else {
@@ -202,14 +202,8 @@ impl Attr {
     fn from_src(ast: ast::Attr, hygiene: &Hygiene) -> Option<Attr> {
         let path = ModPath::from_src(ast.path()?, hygiene)?;
         let input = if let Some(lit) = ast.literal() {
-            // FIXME: escape?
             let value = match lit.kind() {
-                ast::LiteralKind::String(string) if string.is_raw() => {
-                    let text = string.text().as_str();
-                    let text = &text[string.text_range_between_quotes()?
-                        - string.syntax().text_range().start()];
-                    text.into()
-                }
+                ast::LiteralKind::String(string) => string.value()?.into(),
                 _ => lit.syntax().first_token()?.text().trim_matches('"').into(),
             };
             Some(AttrInput::Literal(value))
diff --git a/crates/hir_def/src/nameres/tests/mod_resolution.rs b/crates/hir_def/src/nameres/tests/mod_resolution.rs
index ef6f85e15..e80b593aa 100644
--- a/crates/hir_def/src/nameres/tests/mod_resolution.rs
+++ b/crates/hir_def/src/nameres/tests/mod_resolution.rs
@@ -372,7 +372,7 @@ fn module_resolution_explicit_path_mod_rs_with_win_separator() {
     check(
         r#"
 //- /main.rs
-#[path = "module\bar\mod.rs"]
+#[path = r"module\bar\mod.rs"]
 mod foo;
 
 //- /module/bar/mod.rs
-- 
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