From 255b12a8d3ef3639b4b389fc56d93bd80f03d087 Mon Sep 17 00:00:00 2001 From: Mazdak Farrokhzad Date: Fri, 11 Oct 2019 13:17:20 +0200 Subject: move parse::classify -> util::classify --- src/libsyntax/parse/classify.rs | 25 ------------------------- 1 file changed, 25 deletions(-) delete mode 100644 src/libsyntax/parse/classify.rs (limited to 'src/libsyntax/parse/classify.rs') diff --git a/src/libsyntax/parse/classify.rs b/src/libsyntax/parse/classify.rs deleted file mode 100644 index 44560688750..00000000000 --- a/src/libsyntax/parse/classify.rs +++ /dev/null @@ -1,25 +0,0 @@ -//! Routines the parser uses to classify AST nodes - -// Predicates on exprs and stmts that the pretty-printer and parser use - -use crate::ast; - -/// Does this expression require a semicolon to be treated -/// as a statement? The negation of this: 'can this expression -/// be used as a statement without a semicolon' -- is used -/// as an early-bail-out in the parser so that, for instance, -/// if true {...} else {...} -/// |x| 5 -/// isn't parsed as (if true {...} else {...} | x) | 5 -pub fn expr_requires_semi_to_be_stmt(e: &ast::Expr) -> bool { - match e.kind { - ast::ExprKind::If(..) | - ast::ExprKind::Match(..) | - ast::ExprKind::Block(..) | - ast::ExprKind::While(..) | - ast::ExprKind::Loop(..) | - ast::ExprKind::ForLoop(..) | - ast::ExprKind::TryBlock(..) => false, - _ => true, - } -} -- cgit 1.4.1-3-g733a5