From 2fbb09a73f1f541f69b8591c3c15b44df889d1bc Mon Sep 17 00:00:00 2001
From: Aaron Wood <aaronwood@google.com>
Date: Wed, 16 Sep 2020 12:09:44 -0700
Subject: Correct project_root path for ProjectJson.

It was already the folder containing the rust-project.json file, not the file itself.
---
 crates/project_model/src/project_json.rs | 11 ++++-------
 crates/rust-analyzer/src/reload.rs       |  2 +-
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/crates/project_model/src/project_json.rs b/crates/project_model/src/project_json.rs
index 545f254aa..1ab1221cb 100644
--- a/crates/project_model/src/project_json.rs
+++ b/crates/project_model/src/project_json.rs
@@ -13,7 +13,7 @@ use crate::cfg_flag::CfgFlag;
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct ProjectJson {
     pub(crate) sysroot_src: Option<AbsPathBuf>,
-    project_root: Option<AbsPathBuf>,
+    project_root: AbsPathBuf,
     crates: Vec<Crate>,
 }
 
@@ -37,7 +37,7 @@ impl ProjectJson {
     pub fn new(base: &AbsPath, data: ProjectJsonData) -> ProjectJson {
         ProjectJson {
             sysroot_src: data.sysroot_src.map(|it| base.join(it)),
-            project_root: base.parent().map(AbsPath::to_path_buf),
+            project_root: base.to_path_buf(),
             crates: data
                 .crates
                 .into_iter()
@@ -91,11 +91,8 @@ impl ProjectJson {
     pub fn crates(&self) -> impl Iterator<Item = (CrateId, &Crate)> + '_ {
         self.crates.iter().enumerate().map(|(idx, krate)| (CrateId(idx as u32), krate))
     }
-    pub fn path(&self) -> Option<&AbsPath> {
-        match &self.project_root {
-            Some(p) => Some(p.as_path()),
-            None => None,
-        }
+    pub fn path(&self) -> &AbsPath {
+        &self.project_root
     }
 }
 
diff --git a/crates/rust-analyzer/src/reload.rs b/crates/rust-analyzer/src/reload.rs
index b819618cb..a052f36a7 100644
--- a/crates/rust-analyzer/src/reload.rs
+++ b/crates/rust-analyzer/src/reload.rs
@@ -249,7 +249,7 @@ impl GlobalState {
                     // Enable flychecks for json projects if a custom flycheck command was supplied
                     // in the workspace configuration.
                     match config {
-                        FlycheckConfig::CustomCommand { .. } => project.path(),
+                        FlycheckConfig::CustomCommand { .. } => Some(project.path()),
                         _ => None,
                     }
                 }
-- 
cgit v1.2.3


From 38f1ce633d78289c71e0f860d82fda5a62db8f7b Mon Sep 17 00:00:00 2001
From: Aaron Wood <aaronwood@google.com>
Date: Sun, 20 Sep 2020 12:06:12 -0700
Subject: Add rustdoc for ProjectJson methods

---
 crates/project_model/src/project_json.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/crates/project_model/src/project_json.rs b/crates/project_model/src/project_json.rs
index 1ab1221cb..a6895ecdd 100644
--- a/crates/project_model/src/project_json.rs
+++ b/crates/project_model/src/project_json.rs
@@ -34,6 +34,13 @@ pub struct Crate {
 }
 
 impl ProjectJson {
+    /// Create a new ProjectJson instance.
+    ///
+    /// # Arguments
+    ///
+    /// * `base` - The path to the workspace root (i.e. the folder containing `rust-project.json`)
+    /// * `data` - The parsed contents of `rust-project.json`, or project json that's passed via
+    ///            configuration.
     pub fn new(base: &AbsPath, data: ProjectJsonData) -> ProjectJson {
         ProjectJson {
             sysroot_src: data.sysroot_src.map(|it| base.join(it)),
@@ -85,12 +92,15 @@ impl ProjectJson {
                 .collect::<Vec<_>>(),
         }
     }
+    /// Returns the number of crates in the project.
     pub fn n_crates(&self) -> usize {
         self.crates.len()
     }
+    /// Returns an iterator over the crates in the project.
     pub fn crates(&self) -> impl Iterator<Item = (CrateId, &Crate)> + '_ {
         self.crates.iter().enumerate().map(|(idx, krate)| (CrateId(idx as u32), krate))
     }
+    /// Returns the path to the project's root folder.
     pub fn path(&self) -> &AbsPath {
         &self.project_root
     }
-- 
cgit v1.2.3