diff options
Diffstat (limited to 'compiler/rustc_hir/src/hir.rs')
| -rw-r--r-- | compiler/rustc_hir/src/hir.rs | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 12dec75e65c..f13289ac48f 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1,7 +1,7 @@ use std::fmt; use rustc_abi::ExternAbi; -use rustc_ast::util::parser::{AssocOp, PREC_CLOSURE, PREC_JUMP, PREC_PREFIX, PREC_UNAMBIGUOUS}; +use rustc_ast::util::parser::{AssocOp, ExprPrecedence}; use rustc_ast::{ self as ast, Attribute, FloatTy, InlineAsmOptions, InlineAsmTemplatePiece, IntTy, Label, LitKind, TraitObjectSyntax, UintTy, @@ -1708,22 +1708,22 @@ pub struct Expr<'hir> { } impl Expr<'_> { - pub fn precedence(&self) -> i8 { + pub fn precedence(&self) -> ExprPrecedence { match self.kind { - ExprKind::Closure { .. } => PREC_CLOSURE, + ExprKind::Closure { .. } => ExprPrecedence::Closure, ExprKind::Break(..) | ExprKind::Continue(..) | ExprKind::Ret(..) | ExprKind::Yield(..) - | ExprKind::Become(..) => PREC_JUMP, + | ExprKind::Become(..) => ExprPrecedence::Jump, // Binop-like expr kinds, handled by `AssocOp`. - ExprKind::Binary(op, ..) => AssocOp::from_ast_binop(op.node).precedence() as i8, - ExprKind::Cast(..) => AssocOp::As.precedence() as i8, + ExprKind::Binary(op, ..) => AssocOp::from_ast_binop(op.node).precedence(), + ExprKind::Cast(..) => ExprPrecedence::Cast, ExprKind::Assign(..) | - ExprKind::AssignOp(..) => AssocOp::Assign.precedence() as i8, + ExprKind::AssignOp(..) => ExprPrecedence::Assign, // Unary, prefix ExprKind::AddrOf(..) @@ -1732,7 +1732,7 @@ impl Expr<'_> { // need parens sometimes. E.g. we can print `(let _ = a) && b` as `let _ = a && b` // but we need to print `(let _ = a) < b` as-is with parens. | ExprKind::Let(..) - | ExprKind::Unary(..) => PREC_PREFIX, + | ExprKind::Unary(..) => ExprPrecedence::Prefix, // Never need parens ExprKind::Array(_) @@ -1753,7 +1753,7 @@ impl Expr<'_> { | ExprKind::Struct(..) | ExprKind::Tup(_) | ExprKind::Type(..) - | ExprKind::Err(_) => PREC_UNAMBIGUOUS, + | ExprKind::Err(_) => ExprPrecedence::Unambiguous, ExprKind::DropTemps(ref expr, ..) => expr.precedence(), } |
