Improve compile time a tiny bit

3 files changed, 11 insertions, 8 deletions

diff --git a/xtask/src/codegen/gen_assists_docs.rs b/xtask/src/codegen/gen_assists_docs.rs
index f0ded8b87..ff307e2aa 100644
--- a/xtask/src/codegen/gen_assists_docs.rs
+++ b/xtask/src/codegen/gen_assists_docs.rs
@@ -134,7 +134,7 @@ r#####"
 
         buf.push_str(&test)
     }
-    let buf = reformat(buf)?;
+    let buf = reformat(&buf.to_string())?;
     codegen::update(&project_root().join("crates/assists/src/tests/generated.rs"), &buf, mode)
 }
 
diff --git a/xtask/src/codegen/gen_features.rs b/xtask/src/codegen/gen_features.rs
index 78268308b..b58c4a0c9 100644
--- a/xtask/src/codegen/gen_features.rs
+++ b/xtask/src/codegen/gen_features.rs
@@ -46,5 +46,5 @@ fn generate_descriptor(src_dir: PathBuf) -> Result<String> {
             #(#definitions),*
         ];
     };
-    reformat(ts)
+    reformat(&ts.to_string())
 }
diff --git a/xtask/src/codegen/gen_syntax.rs b/xtask/src/codegen/gen_syntax.rs
index 733493fef..02f4095ce 100644
--- a/xtask/src/codegen/gen_syntax.rs
+++ b/xtask/src/codegen/gen_syntax.rs
@@ -61,10 +61,13 @@ fn generate_tokens(grammar: &AstSrc) -> Result<String> {
         }
     });
 
-    let pretty = reformat(quote! {
-        use crate::{SyntaxKind::{self, *}, SyntaxToken, ast::AstToken};
-        #(#tokens)*
-    })?
+    let pretty = reformat(
+        &quote! {
+            use crate::{SyntaxKind::{self, *}, SyntaxToken, ast::AstToken};
+            #(#tokens)*
+        }
+        .to_string(),
+    )?
     .replace("#[derive", "\n#[derive");
     Ok(pretty)
 }
@@ -261,7 +264,7 @@ fn generate_nodes(kinds: KindsSrc<'_>, grammar: &AstSrc) -> Result<String> {
         }
     }
 
-    let pretty = reformat(res)?;
+    let pretty = reformat(&res)?;
     Ok(pretty)
 }
 
@@ -383,7 +386,7 @@ fn generate_syntax_kinds(grammar: KindsSrc<'_>) -> Result<String> {
         }
     };
 
-    reformat(ast)
+    reformat(&ast.to_string())
 }
 
 fn to_upper_snake_case(s: &str) -> String {