From 32718d4b166e9ee439e2b15b5e4d8e4fa783a4c5 Mon Sep 17 00:00:00 2001 From: Christophe Troestler Date: Wed, 19 Jan 2022 10:44:15 +0100 Subject: Highlight the (optional) type suffix of numbers with the type face --- rust-mode.el | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'rust-mode.el') diff --git a/rust-mode.el b/rust-mode.el index 6da7db5..09eefed 100644 --- a/rust-mode.el +++ b/rust-mode.el @@ -361,6 +361,16 @@ See `prettify-symbols-compose-predicate'." "bool" "str" "char")) +(defconst rust-number-with-type + (eval-when-compile + (concat + "\\_<\\(?:0[box]?\\|[1-9]\\)[[:digit:]a-fA-F_.]*\\(?:[eE][+-]?[[:digit:]_]\\)?" + (regexp-opt '("u8" "i8" "u16" "i16" "u32" "i32" "u64" "i64" + "u128" "i128" "usize" "isize" "f32" "f64") + t) + "\\_>")) + "Regular expression matching a number with a type suffix.") + (defvar rust-builtin-formatting-macros '("eprint" "eprintln" @@ -470,6 +480,8 @@ Does not match type annotations of the form \"foo::<\"." ("\\?" . 'rust-question-mark) ("\\(&+\\)\\(?:'\\(?:\\<\\|_\\)\\|\\<\\|[[({:*_|]\\)" 1 'rust-ampersand-face) + ;; Numbers with type suffix + (,rust-number-with-type 1 font-lock-type-face) ) ;; Ensure we highlight `Foo` in `struct Foo` as a type. -- cgit v1.2.3