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| author | David Tolnay <dtolnay@gmail.com> | 2024-06-23 18:30:13 -0700 |
|---|---|---|
| committer | David Tolnay <dtolnay@gmail.com> | 2024-06-23 18:31:47 -0700 |
| commit | 273447cec7a5b27febf82be7a9889c7f5de2411b (patch) | |
| tree | e854f8f070df39f96930c24970dc75c7188e0194 /compiler/rustc_ast/src/util/parser.rs | |
| parent | 8cfd4b180b33695a2e24e74ce4864b3b4bf6a302 (diff) | |
| download | rust-273447cec7a5b27febf82be7a9889c7f5de2411b.tar.gz rust-273447cec7a5b27febf82be7a9889c7f5de2411b.zip | |
Rename the 2 unambiguous precedence levels to PREC_UNAMBIGUOUS
Diffstat (limited to 'compiler/rustc_ast/src/util/parser.rs')
| -rw-r--r-- | compiler/rustc_ast/src/util/parser.rs | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/compiler/rustc_ast/src/util/parser.rs b/compiler/rustc_ast/src/util/parser.rs index 900040b8bd9..ad92bf2cd40 100644 --- a/compiler/rustc_ast/src/util/parser.rs +++ b/compiler/rustc_ast/src/util/parser.rs @@ -233,8 +233,7 @@ pub const PREC_JUMP: i8 = -30; pub const PREC_RANGE: i8 = -10; // The range 2..=14 is reserved for AssocOp binary operator precedences. pub const PREC_PREFIX: i8 = 50; -pub const PREC_POSTFIX: i8 = 60; -pub const PREC_PAREN: i8 = 60; +pub const PREC_UNAMBIGUOUS: i8 = 60; pub const PREC_FORCE_PAREN: i8 = 100; #[derive(Debug, Clone, Copy)] @@ -325,37 +324,35 @@ impl ExprPrecedence { | ExprPrecedence::Let | ExprPrecedence::Unary => PREC_PREFIX, - // Unary, postfix - ExprPrecedence::Await + // Never need parens + ExprPrecedence::Array + | ExprPrecedence::Await + | ExprPrecedence::Block | ExprPrecedence::Call - | ExprPrecedence::MethodCall + | ExprPrecedence::ConstBlock | ExprPrecedence::Field + | ExprPrecedence::ForLoop + | ExprPrecedence::FormatArgs + | ExprPrecedence::Gen + | ExprPrecedence::If | ExprPrecedence::Index - | ExprPrecedence::Try | ExprPrecedence::InlineAsm + | ExprPrecedence::Lit + | ExprPrecedence::Loop | ExprPrecedence::Mac - | ExprPrecedence::FormatArgs + | ExprPrecedence::Match + | ExprPrecedence::MethodCall | ExprPrecedence::OffsetOf - | ExprPrecedence::PostfixMatch => PREC_POSTFIX, - - // Never need parens - ExprPrecedence::Array + | ExprPrecedence::Paren + | ExprPrecedence::Path + | ExprPrecedence::PostfixMatch | ExprPrecedence::Repeat + | ExprPrecedence::Struct + | ExprPrecedence::Try + | ExprPrecedence::TryBlock | ExprPrecedence::Tup - | ExprPrecedence::Lit - | ExprPrecedence::Path - | ExprPrecedence::Paren - | ExprPrecedence::If | ExprPrecedence::While - | ExprPrecedence::ForLoop - | ExprPrecedence::Loop - | ExprPrecedence::Match - | ExprPrecedence::ConstBlock - | ExprPrecedence::Block - | ExprPrecedence::TryBlock - | ExprPrecedence::Gen - | ExprPrecedence::Struct - | ExprPrecedence::Err => PREC_PAREN, + | ExprPrecedence::Err => PREC_UNAMBIGUOUS, } } } |