Improve C and C++ syntax highlighting (#25325)

Release Notes: - Improved C and C++ syntax highlighting. | Zed 0.174.6 | With this PR | | --- | --- | | ![Image](https://github.com/user-attachments/assets/fa5bf2e0-c682-4e6a-ab64-bb873579d47c) | ![Image](https://github.com/user-attachments/assets/dc980de9-cd6a-4b0b-8ddc-ac705f687910) | - `NULL`, `nullptr`: `constant` -> `constant.builtin` ```cpp #include <stdbool.h> int a[] = {true, false}; const int * IDENTIFIER = nullptr; ``` --------- Co-authored-by: Marshall Bowers <[email protected]>
zed-industries · Feb 21, 2025 · 144d8a1 · 144d8a1
1 parent 7deceb6
commit 144d8a1
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diff --git a/crates/languages/src/c/highlights.scm b/crates/languages/src/c/highlights.scm
@@ -104,7 +104,7 @@
   (false)
 ] @boolean
 
-(null) @constant
+(null) @constant.builtin
 
 (identifier) @variable
 

diff --git a/crates/languages/src/cpp/highlights.scm b/crates/languages/src/cpp/highlights.scm
@@ -158,7 +158,7 @@ type :(primitive_type) @type.primitive
 [
   (null)
   ("nullptr")
-] @constant
+] @constant.builtin
 
 (number_literal) @number