diff options
| -rw-r--r-- | rust-mode-tests.el | 50 | ||||
| -rw-r--r-- | rust-mode.el | 12 |
2 files changed, 62 insertions, 0 deletions
diff --git a/rust-mode-tests.el b/rust-mode-tests.el index 0d9f06b..8e3ee45 100644 --- a/rust-mode-tests.el +++ b/rust-mode-tests.el @@ -1304,6 +1304,56 @@ list of substrings of `STR' each followed by its face." '("/* " font-lock-comment-delimiter-face "#[foo] */" font-lock-comment-face))) +(ert-deftest font-lock-number-with-type () + (rust-test-font-lock + "-123i32" + '("i32" font-lock-type-face)) + (rust-test-font-lock + "123u32" + '("u32" font-lock-type-face)) + (rust-test-font-lock + "123_123_u32" + '("u32" font-lock-type-face)) + (rust-test-font-lock + "0xff_u8" + '("u8" font-lock-type-face)) + (rust-test-font-lock + "0b1111_1111_1001_0000i64" + '("i64" font-lock-type-face)) + (rust-test-font-lock + "0usize" + '("usize" font-lock-type-face)) + (rust-test-font-lock + "123.0f64 + 1." + '("f64" font-lock-type-face)) + (rust-test-font-lock + "0.1f32" + '("f32" font-lock-type-face)) + (rust-test-font-lock + "12E+99_f64" + '("f64" font-lock-type-face)) + (rust-test-font-lock + "5f32" + '("f32" font-lock-type-face)) + (rust-test-font-lock + "0x5i32" + '("i32" font-lock-type-face)) + (rust-test-font-lock + "1x5i32" + '()) + (rust-test-font-lock + "0x5i321" + '()) + (rust-test-font-lock + "fname5f32" + '()) + (rust-test-font-lock + "0x5i32+1" + '("i32" font-lock-type-face)) + (rust-test-font-lock + "f(0xFFi32)" + '("i32" font-lock-type-face))) + (ert-deftest font-lock-double-quote-character-literal () (rust-test-font-lock "'\"'; let" 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. |