From 0058f3894646678324b586016b691ebb28f3000f Mon Sep 17 00:00:00 2001
From: Bogdan Mircea <mirceapetrebogdan@gmail.com>
Date: Tue, 21 Jan 2025 15:03:12 +0200
Subject: [PATCH] move RustAnalyzerArg associated methods to lib.rs

---
 tools/rust_analyzer/lib.rs          | 27 ++++++++++++++++++++++
 tools/rust_analyzer/rust_project.rs | 35 ++++-------------------------
 2 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/tools/rust_analyzer/lib.rs b/tools/rust_analyzer/lib.rs
index 69ea41795f..4cfc248703 100644
--- a/tools/rust_analyzer/lib.rs
+++ b/tools/rust_analyzer/lib.rs
@@ -156,6 +156,33 @@ where
     serde_json::from_str(&buf).with_context(|| format!("failed to deserialize file: {path}"))
 }
 
+/// `rust-analyzer` associates workspaces with buildfiles. Therefore, when it passes in a
+/// source file path, we use this function to identify the buildfile the file belongs to.
+fn source_file_to_buildfile(file: &Utf8Path) -> anyhow::Result<Utf8PathBuf> {
+    // Skip the first element as it's always the full file path.
+    file.ancestors()
+        .skip(1)
+        .flat_map(|dir| BUILD_FILE_NAMES.iter().map(move |build| dir.join(build)))
+        .find(|p| p.exists())
+        .with_context(|| format!("no buildfile found for {file}"))
+}
+
+fn buildfile_to_targets(workspace: &Utf8Path, buildfile: &Utf8Path) -> anyhow::Result<String> {
+    log::info!("getting targets for buildfile: {buildfile}");
+
+    let parent_dir = buildfile
+        .strip_prefix(workspace)
+        .with_context(|| format!("{buildfile} not part of workspace"))?
+        .parent();
+
+    let targets = match parent_dir {
+        Some(p) if !p.as_str().is_empty() => format!("//{p}:all"),
+        _ => "//...".to_string(),
+    };
+
+    Ok(targets)
+}
+
 #[derive(Debug, Deserialize)]
 struct ToolchainInfo {
     sysroot: Utf8PathBuf,
diff --git a/tools/rust_analyzer/rust_project.rs b/tools/rust_analyzer/rust_project.rs
index 651ca1ed09..749347ea33 100644
--- a/tools/rust_analyzer/rust_project.rs
+++ b/tools/rust_analyzer/rust_project.rs
@@ -13,7 +13,7 @@ use serde::{Deserialize, Serialize};
 
 use crate::{
     aquery::{CrateSpec, CrateType},
-    ToolchainInfo, BUILD_FILE_NAMES,
+    buildfile_to_targets, source_file_to_buildfile, ToolchainInfo,
 };
 
 /// The argument that `rust-analyzer` can pass to the workspace discovery command.
@@ -32,41 +32,14 @@ impl RustAnalyzerArg {
     ) -> anyhow::Result<(Utf8PathBuf, String)> {
         match self {
             Self::Path(file) => {
-                let buildfile = Self::source_file_to_buildfile(&file)?;
-                Self::buildfile_to_targets(workspace, &buildfile).map(|t| (buildfile, t))
+                let buildfile = source_file_to_buildfile(&file)?;
+                buildfile_to_targets(workspace, &buildfile).map(|t| (buildfile, t))
             }
             Self::Buildfile(buildfile) => {
-                Self::buildfile_to_targets(workspace, &buildfile).map(|t| (buildfile, t))
+                buildfile_to_targets(workspace, &buildfile).map(|t| (buildfile, t))
             }
         }
     }
-
-    /// `rust-analyzer` associates workspaces with buildfiles. Therefore, when it passes in a
-    /// source file path, we use this function to identify the buildfile the file belongs to.
-    fn source_file_to_buildfile(file: &Utf8Path) -> anyhow::Result<Utf8PathBuf> {
-        // Skip the first element as it's always the full file path.
-        file.ancestors()
-            .skip(1)
-            .flat_map(|dir| BUILD_FILE_NAMES.iter().map(move |build| dir.join(build)))
-            .find(|p| p.exists())
-            .with_context(|| format!("no buildfile found for {file}"))
-    }
-
-    fn buildfile_to_targets(workspace: &Utf8Path, buildfile: &Utf8Path) -> anyhow::Result<String> {
-        log::info!("getting targets for buildfile: {buildfile}");
-
-        let parent_dir = buildfile
-            .strip_prefix(workspace)
-            .with_context(|| format!("{buildfile} not part of workspace"))?
-            .parent();
-
-        let targets = match parent_dir {
-            Some(p) if !p.as_str().is_empty() => format!("//{p}:all"),
-            _ => "//...".to_string(),
-        };
-
-        Ok(targets)
-    }
 }
 
 impl FromStr for RustAnalyzerArg {