[2/n] no-context lint: migrate some crates

.config/ast-grep/rules/no-context.yml

@@ -1,7 +1,7 @@
 id: no-context
 message: Don't name variables `context`.
 note: Use a more specific name, such as chunking_context, asset_context, etc.
-severity: warning
+severity: error
 language: Rust
 rule:
   regex: \bcontext\b
@@ -18,3 +18,20 @@ rule:
         - kind: field_identifier
         - inside:
             kind: field_declaration
+ignores:
+  - "./crates/turbopack-core/**"
+  - "./crates/turbopack-css/**"
+  - "./crates/turbopack-dev-server/**"
+  - "./crates/turbopack-dev/**"
+  - "./crates/turbopack-ecmascript-hmr-protocol/**"
+  - "./crates/turbopack-ecmascript-plugins/**"
+  - "./crates/turbopack-ecmascript-runtime/**"
+  - "./crates/turbopack-ecmascript/**"
+  - "./crates/turbopack-json/**"
+  - "./crates/turbopack-mdx/**"
+  - "./crates/turbopack-node/**"
+  - "./crates/turbopack-static/**"
+  - "./crates/turbopack-tests/**"
+  - "./crates/turbopack/**"
+  - "./crates/turborepo-cache/**"
+  - "./crates/turborepo-scm/**"

crates/node-file-trace/src/lib.rs

@@ -195,8 +195,8 @@ impl Args {
     }
 }
 
-async fn create_fs(name: &str, context: &str, watch: bool) -> Result<Vc<Box<dyn FileSystem>>> {
-    let fs = DiskFileSystem::new(name.to_string(), context.to_string());
+async fn create_fs(name: &str, root: &str, watch: bool) -> Result<Vc<Box<dyn FileSystem>>> {
+    let fs = DiskFileSystem::new(name.to_string(), root.to_string());
     if watch {
         fs.await?.start_watching()?;
     } else {
@@ -206,30 +206,30 @@ async fn create_fs(name: &str, context: &str, watch: bool) -> Result<Vc<Box<dyn
 }
 
 async fn add_glob_results(
-    context: Vc<Box<dyn AssetContext>>,
+    asset_context: Vc<Box<dyn AssetContext>>,
     result: Vc<ReadGlobResult>,
     list: &mut Vec<Vc<Box<dyn Module>>>,
 ) -> Result<()> {
     let result = result.await?;
     for entry in result.results.values() {
         if let DirectoryEntry::File(path) = entry {
             let source = Vc::upcast(FileSource::new(*path));
-            list.push(context.process(
+            list.push(asset_context.process(
                 source,
                 Value::new(turbopack_core::reference_type::ReferenceType::Undefined),
             ));
         }
     }
     for result in result.inner.values() {
         fn recurse<'a>(
-            context: Vc<Box<dyn AssetContext>>,
+            asset_context: Vc<Box<dyn AssetContext>>,
             result: Vc<ReadGlobResult>,
             list: &'a mut Vec<Vc<Box<dyn Module>>>,
         ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'a>> {
-            Box::pin(add_glob_results(context, result, list))
+            Box::pin(add_glob_results(asset_context, result, list))
         }
         // Boxing for async recursion
-        recurse(context, *result, list).await?;
+        recurse(asset_context, *result, list).await?;
     }
     Ok(())
 }
@@ -240,16 +240,16 @@ async fn input_to_modules(
     input: Vec<String>,
     exact: bool,
     process_cwd: Option<String>,
-    context: String,
+    context_directory: String,
     module_options: TransientInstance<ModuleOptionsContext>,
     resolve_options: TransientInstance<ResolveOptionsContext>,
 ) -> Result<Vc<Modules>> {
     let root = fs.root();
     let process_cwd = process_cwd
         .clone()
-        .map(|p| p.trim_start_matches(&context).to_owned());
+        .map(|p| p.trim_start_matches(&context_directory).to_owned());
 
-    let context: Vc<Box<dyn AssetContext>> = Vc::upcast(create_module_asset(
+    let asset_context: Vc<Box<dyn AssetContext>> = Vc::upcast(create_module_asset(
         root,
         process_cwd,
         module_options,
@@ -260,42 +260,42 @@ async fn input_to_modules(
     for input in input {
         if exact {
             let source = Vc::upcast(FileSource::new(root.join(input)));
-            list.push(context.process(
+            list.push(asset_context.process(
                 source,
                 Value::new(turbopack_core::reference_type::ReferenceType::Undefined),
             ));
         } else {
             let glob = Glob::new(input);
-            add_glob_results(context, root.read_glob(glob, false), &mut list).await?;
+            add_glob_results(asset_context, root.read_glob(glob, false), &mut list).await?;
         };
     }
     Ok(Vc::cell(list))
 }
 
 fn process_context(dir: &Path, context_directory: Option<&String>) -> Result<String> {
-    let mut context = PathBuf::from(context_directory.map_or(".", |s| s));
-    if !context.is_absolute() {
-        context = dir.join(context);
+    let mut context_directory = PathBuf::from(context_directory.map_or(".", |s| s));
+    if !context_directory.is_absolute() {
+        context_directory = dir.join(context_directory);
     }
     // context = context.canonicalize().unwrap();
-    Ok(context
+    Ok(context_directory
         .to_str()
         .ok_or_else(|| anyhow!("context directory contains invalid characters"))
         .unwrap()
         .to_string())
 }
 
-fn make_relative_path(dir: &Path, context: &str, input: &str) -> Result<String> {
+fn make_relative_path(dir: &Path, context_directory: &str, input: &str) -> Result<String> {
     let mut input = PathBuf::from(input);
     if !input.is_absolute() {
         input = dir.join(input);
     }
     // input = input.canonicalize()?;
-    let input = input.strip_prefix(context).with_context(|| {
+    let input = input.strip_prefix(context_directory).with_context(|| {
         anyhow!(
             "{} is not part of the context directory {}",
             input.display(),
-            context
+            context_directory
         )
     })?;
     Ok(input
@@ -304,10 +304,10 @@ fn make_relative_path(dir: &Path, context: &str, input: &str) -> Result<String>
         .replace('\\', "/"))
 }
 
-fn process_input(dir: &Path, context: &str, input: &[String]) -> Result<Vec<String>> {
+fn process_input(dir: &Path, context_directory: &str, input: &[String]) -> Result<Vec<String>> {
     input
         .iter()
-        .map(|input| make_relative_path(dir, context, input))
+        .map(|input| make_relative_path(dir, context_directory, input))
         .collect()
 }
 
@@ -547,19 +547,19 @@ async fn main_operation(
         ref process_cwd,
         ..
     } = args.common();
-    let context = process_context(&dir, context_directory.as_ref()).unwrap();
-    let fs = create_fs("context directory", &context, watch).await?;
+    let context_directory = process_context(&dir, context_directory.as_ref()).unwrap();
+    let fs = create_fs("context directory", &context_directory, watch).await?;
 
     match *args {
         Args::Print { common: _ } => {
-            let input = process_input(&dir, &context, input).unwrap();
+            let input = process_input(&dir, &context_directory, input).unwrap();
             let mut result = BTreeSet::new();
             let modules = input_to_modules(
                 fs,
                 input,
                 exact,
                 process_cwd.clone(),
-                context,
+                context_directory,
                 module_options,
                 resolve_options,
             )
@@ -577,15 +577,15 @@ async fn main_operation(
             return Ok(Vc::cell(result.into_iter().collect::<Vec<_>>()));
         }
         Args::Annotate { common: _ } => {
-            let input = process_input(&dir, &context, input).unwrap();
+            let input = process_input(&dir, &context_directory, input).unwrap();
             let mut output_nft_assets = Vec::new();
             let mut emits = Vec::new();
             for module in input_to_modules(
                 fs,
                 input,
                 exact,
                 process_cwd.clone(),
-                context,
+                context_directory,
                 module_options,
                 resolve_options,
             )
@@ -608,7 +608,7 @@ async fn main_operation(
             common: _,
         } => {
             let output = process_context(&dir, Some(output_directory)).unwrap();
-            let input = process_input(&dir, &context, input).unwrap();
+            let input = process_input(&dir, &context_directory, input).unwrap();
             let out_fs = create_fs("output directory", &output, watch).await?;
             let input_dir = fs.root();
             let output_dir = out_fs.root();
@@ -618,7 +618,7 @@ async fn main_operation(
                 input,
                 exact,
                 process_cwd.clone(),
-                context,
+                context_directory,
                 module_options,
                 resolve_options,
             )

crates/node-file-trace/src/nft_json.rs

@@ -38,15 +38,15 @@ impl OutputAsset for NftJsonAsset {
 impl Asset for NftJsonAsset {
     #[turbo_tasks::function]
     async fn content(&self) -> Result<Vc<AssetContent>> {
-        let context = self.entry.ident().path().parent().await?;
+        let parent_dir = self.entry.ident().path().parent().await?;
         // For clippy -- This explicit deref is necessary
         let entry_path = &*self.entry.ident().path().await?;
         let mut result = Vec::new();
-        if let Some(self_path) = context.get_relative_path_to(entry_path) {
+        if let Some(self_path) = parent_dir.get_relative_path_to(entry_path) {
             let set = all_modules(self.entry);
             for asset in set.await?.iter() {
                 let path = asset.ident().path().await?;
-                if let Some(rel_path) = context.get_relative_path_to(&path) {
+                if let Some(rel_path) = parent_dir.get_relative_path_to(&path) {
                     if rel_path != self_path {
                         result.push(rel_path);
                     }

crates/turbo-tasks-build/src/lib.rs

@@ -267,13 +267,13 @@ impl<'a> RegisterContext<'a> {
     fn process_mod(&mut self, mod_item: ItemMod) -> Result<()> {
         if mod_item.content.is_none() {
             let name = mod_item.ident.to_string();
-            let context = self.file_path.parent().unwrap();
-            let direct = context.join(format!("{name}.rs"));
+            let parent_path = self.file_path.parent().unwrap();
+            let direct = parent_path.join(format!("{name}.rs"));
             if direct.exists() {
                 self.queue
                     .push((format!("{}::{name}", self.mod_path), direct));
             } else {
-                let nested = context.join(&name).join("mod.rs");
+                let nested = parent_path.join(&name).join("mod.rs");
                 if nested.exists() {
                     self.queue
                         .push((format!("{}::{name}", self.mod_path), nested));

crates/turbo-tasks-fetch/src/lib.rs

@@ -108,11 +108,11 @@ impl FetchError {
     pub async fn to_issue(
         self: Vc<Self>,
         severity: Vc<IssueSeverity>,
-        context: Vc<FileSystemPath>,
+        issue_context: Vc<FileSystemPath>,
     ) -> Result<Vc<FetchIssue>> {
         let this = &*self.await?;
         Ok(FetchIssue {
-            context,
+            issue_context,
             severity,
             url: this.url,
             kind: this.kind,
@@ -124,7 +124,7 @@ impl FetchError {
 
 #[turbo_tasks::value(shared)]
 pub struct FetchIssue {
-    pub context: Vc<FileSystemPath>,
+    pub issue_context: Vc<FileSystemPath>,
     pub severity: Vc<IssueSeverity>,
     pub url: Vc<String>,
     pub kind: Vc<FetchErrorKind>,
@@ -135,7 +135,7 @@ pub struct FetchIssue {
 impl Issue for FetchIssue {
     #[turbo_tasks::function]
     fn context(&self) -> Vc<FileSystemPath> {
-        self.context
+        self.issue_context
     }
 
     #[turbo_tasks::function]

crates/turbo-tasks-fs/src/lib.rs

@@ -879,25 +879,25 @@ pub struct FileSystemPath {
 }
 
 impl FileSystemPath {
-    pub fn is_inside_ref(&self, context: &FileSystemPath) -> bool {
-        if self.fs == context.fs && self.path.starts_with(&context.path) {
-            if context.path.is_empty() {
+    pub fn is_inside_ref(&self, other: &FileSystemPath) -> bool {
+        if self.fs == other.fs && self.path.starts_with(&other.path) {
+            if other.path.is_empty() {
                 true
             } else {
-                self.path.as_bytes().get(context.path.len()) == Some(&b'/')
+                self.path.as_bytes().get(other.path.len()) == Some(&b'/')
             }
         } else {
             false
         }
     }
 
-    pub fn is_inside_or_equal_ref(&self, context: &FileSystemPath) -> bool {
-        if self.fs == context.fs && self.path.starts_with(&context.path) {
-            if context.path.is_empty() {
+    pub fn is_inside_or_equal_ref(&self, other: &FileSystemPath) -> bool {
+        if self.fs == other.fs && self.path.starts_with(&other.path) {
+            if other.path.is_empty() {
                 true
             } else {
                 matches!(
-                    self.path.as_bytes().get(context.path.len()),
+                    self.path.as_bytes().get(other.path.len()),
                     Some(&b'/') | None
                 )
             }

crates/turbo-tasks/src/read_ref.rs

@@ -65,8 +65,8 @@ where
     T: VcValueType,
     <T::Read as VcRead<T>>::Target: TraceRawVcs,
 {
-    fn trace_raw_vcs(&self, context: &mut TraceRawVcsContext) {
-        (**self).trace_raw_vcs(context);
+    fn trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext) {
+        (**self).trace_raw_vcs(trace_context);
     }
 }
 

crates/turbo-tasks/src/state.rs

@@ -33,8 +33,8 @@ impl<T: Debug> Debug for State<T> {
 }
 
 impl<T: TraceRawVcs> TraceRawVcs for State<T> {
-    fn trace_raw_vcs(&self, context: &mut crate::trace::TraceRawVcsContext) {
-        self.inner.lock().value.trace_raw_vcs(context);
+    fn trace_raw_vcs(&self, trace_context: &mut crate::trace::TraceRawVcsContext) {
+        self.inner.lock().value.trace_raw_vcs(trace_context);
     }
 }