16 //!    some complications - see the `syn_brackets` and `librustc_brackets`
18 //! 3. Serialize the `syn` expression back into a string, and re-parse it with
48 mod repo;  module
50 /// Test some pre-set expressions chosen by us.
92     repo::clone_rust();  in test_rustc_precedence()
107         .filter_entry(repo::base_dir_filter)  in test_rustc_precedence()
122                     let edition = repo::edition(path).parse().unwrap();  in test_rustc_precedence()
158 fn test_expressions(edition: Edition, exprs: Vec<syn::Expr>) -> (usize, usize) {  in test_expressions()
170                 errorf!("\nFAIL - librustc failed to parse raw\n");  in test_expressions()
179                 errorf!("\nFAIL - librustc failed to parse bracketed\n");  in test_expressions()
195 fn librustc_parse_and_rewrite(input: &str) -> Option<P<ast::Expr>> {  in librustc_parse_and_rewrite()
204 fn librustc_brackets(mut librustc_expr: P<ast::Expr>) -> Option<P<ast::Expr>> {  in librustc_brackets()
220     fn flat_map_field<T: MutVisitor>(mut f: ExprField, vis: &mut T) -> Vec<ExprField> {  in librustc_brackets()
229     fn flat_map_stmt<T: MutVisitor>(stmt: Stmt, vis: &mut T) -> Vec<Stmt> {  in librustc_brackets()
350 fn syn_brackets(syn_expr: syn::Expr) -> syn::Expr {  in syn_brackets()
352     use syn::{token, Expr, ExprParen, GenericArgument, GenericMethodArgument, Pat, Stmt, Type};  in syn_brackets()
356         fn fold_expr(&mut self, expr: Expr) -> Expr {  in syn_brackets()
365                     paren_token: token::Paren::default(),  in syn_brackets()
370         fn fold_generic_argument(&mut self, arg: GenericArgument) -> GenericArgument {  in syn_brackets()
384         ) -> GenericMethodArgument {  in syn_brackets()
395         fn fold_stmt(&mut self, stmt: Stmt) -> Stmt {  in syn_brackets()
413         fn fold_pat(&mut self, pat: Pat) -> Pat {  in syn_brackets()
417         fn fold_type(&mut self, ty: Type) -> Type {  in syn_brackets()
427 fn collect_exprs(file: syn::File) -> Vec<syn::Expr> {  in collect_exprs()
430     use syn::{token, ConstParam, Expr, ExprTuple, Path};  in collect_exprs()
434         fn fold_expr(&mut self, expr: Expr) -> Expr {  in collect_exprs()
443                 paren_token: token::Paren::default(),  in collect_exprs()
447         fn fold_path(&mut self, path: Path) -> Path {  in collect_exprs()
452         fn fold_const_param(&mut self, const_param: ConstParam) -> ConstParam {  in collect_exprs()