Use xshell::read_file instead of fs::read_to_string

Author: popzxc

xtask/src/codegen/gen_assists_docs.rs

@@ -1,6 +1,6 @@
 //! Generates `assists.md` documentation.
 
-use std::{fmt, fs, path::Path};
+use std::{fmt, path::Path};
 
 use crate::{
     codegen::{self, extract_comment_blocks_with_empty_lines, reformat, Location, Mode, PREAMBLE},
@@ -39,7 +39,7 @@ impl Assist {
         return Ok(res);
 
         fn collect_file(acc: &mut Vec<Assist>, path: &Path) -> Result<()> {
-            let text = fs::read_to_string(path)?;
+            let text = xshell::read_file(path)?;
             let comment_blocks = extract_comment_blocks_with_empty_lines("Assist", &text);
 
             for block in comment_blocks {

xtask/src/codegen/gen_diagnostic_docs.rs

@@ -1,15 +1,16 @@
 //! Generates `assists.md` documentation.
 
-use std::{fmt, fs, path::PathBuf};
+use std::{fmt, path::PathBuf};
 
 use crate::{
     codegen::{self, extract_comment_blocks_with_empty_lines, Location, Mode, PREAMBLE},
     project_root, rust_files, Result,
 };
 
 pub fn generate_diagnostic_docs(mode: Mode) -> Result<()> {
-    let features = Diagnostic::collect()?;
-    let contents = features.into_iter().map(|it| it.to_string()).collect::<Vec<_>>().join("\n\n");
+    let diagnostics = Diagnostic::collect()?;
+    let contents =
+        diagnostics.into_iter().map(|it| it.to_string()).collect::<Vec<_>>().join("\n\n");
     let contents = format!("//{}\n{}\n", PREAMBLE, contents.trim());
     let dst = project_root().join("docs/user/generated_diagnostic.adoc");
     codegen::update(&dst, &contents, mode)?;
@@ -33,7 +34,7 @@ impl Diagnostic {
         return Ok(res);
 
         fn collect_file(acc: &mut Vec<Diagnostic>, path: PathBuf) -> Result<()> {
-            let text = fs::read_to_string(&path)?;
+            let text = xshell::read_file(&path)?;
             let comment_blocks = extract_comment_blocks_with_empty_lines("Diagnostic", &text);
 
             for block in comment_blocks {

xtask/src/codegen/gen_feature_docs.rs

@@ -1,6 +1,6 @@
 //! Generates `assists.md` documentation.
 
-use std::{fmt, fs, path::PathBuf};
+use std::{fmt, path::PathBuf};
 
 use crate::{
     codegen::{self, extract_comment_blocks_with_empty_lines, Location, Mode, PREAMBLE},
@@ -33,7 +33,7 @@ impl Feature {
         return Ok(res);
 
         fn collect_file(acc: &mut Vec<Feature>, path: PathBuf) -> Result<()> {
-            let text = fs::read_to_string(&path)?;
+            let text = xshell::read_file(&path)?;
             let comment_blocks = extract_comment_blocks_with_empty_lines("Feature", &text);
 
             for block in comment_blocks {

xtask/src/codegen/gen_parser_tests.rs

@@ -124,7 +124,7 @@ fn existing_tests(dir: &Path, ok: bool) -> Result<HashMap<String, (PathBuf, Test
             let file_name = path.file_name().unwrap().to_str().unwrap();
             file_name[5..file_name.len() - 3].to_string()
         };
-        let text = fs::read_to_string(&path)?;
+        let text = xshell::read_file(&path)?;
         let test = Test { name: name.clone(), text, ok };
         if let Some(old) = res.insert(name, (path, test)) {
             println!("Duplicate test: {:?}", old);