1 files changed, 27 insertions, 0 deletions

diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs
index 4cf6f871e..42da09606 100644
--- a/crates/syntax/src/ast/make.rs
+++ b/crates/syntax/src/ast/make.rs
@@ -137,6 +137,17 @@ pub fn use_(visibility: Option<ast::Visibility>, use_tree: ast::UseTree) -> ast:
     ast_from_text(&format!("{}use {};", visibility, use_tree))
 }
 
+pub fn record_expr(path: ast::Path, fields: ast::RecordExprFieldList) -> ast::RecordExpr {
+    ast_from_text(&format!("fn f() {{ {} {} }}", path, fields))
+}
+
+pub fn record_expr_field_list(
+    fields: impl IntoIterator<Item = ast::RecordExprField>,
+) -> ast::RecordExprFieldList {
+    let fields = fields.into_iter().join(", ");
+    ast_from_text(&format!("fn f() {{ S {{ {} }} }}", fields))
+}
+
 pub fn record_expr_field(name: ast::NameRef, expr: Option<ast::Expr>) -> ast::RecordExprField {
     return match expr {
         Some(expr) => from_text(&format!("{}: {}", name, expr)),
@@ -339,6 +350,21 @@ pub fn record_pat(path: ast::Path, pats: impl IntoIterator<Item = ast::Pat>) ->
     }
 }
 
+pub fn record_pat_with_fields(path: ast::Path, fields: ast::RecordPatFieldList) -> ast::RecordPat {
+    ast_from_text(&format!("fn f({} {}: ()))", path, fields))
+}
+
+pub fn record_pat_field_list(
+    fields: impl IntoIterator<Item = ast::RecordPatField>,
+) -> ast::RecordPatFieldList {
+    let fields = fields.into_iter().join(", ");
+    ast_from_text(&format!("fn f(S {{ {} }}: ()))", fields))
+}
+
+pub fn record_pat_field(name_ref: ast::NameRef, pat: ast::Pat) -> ast::RecordPatField {
+    ast_from_text(&format!("fn f(S {{ {}: {} }}: ()))", name_ref, pat))
+}
+
 /// Returns a `BindPat` if the path has just one segment, a `PathPat` otherwise.
 pub fn path_pat(path: ast::Path) -> ast::Pat {
     return from_text(&path.to_string());
@@ -606,6 +632,7 @@ pub mod tokens {
         SOURCE_FILE
             .tree()
             .syntax()
+            .clone_for_update()
             .descendants_with_tokens()
             .filter_map(|it| it.into_token())
             .find(|it| it.kind() == WHITESPACE && it.text() == "\n\n")