Add directive keywords to error message for parsing global item (#6723)

Notify the user that they can also use `diagnostic`, `enable`, or `requires` in this context. Co-authored-by: Erich Gubler <[email protected]>
gfx-rs · Jan 8, 2025 · 1f67474 · 1f67474
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -171,6 +171,7 @@ By @wumpf in [#6849](https://github.com/gfx-rs/wgpu/pull/6849).
 - The GLSL parser now uses less expressions for function calls. By @magcius in [#6604](https://github.com/gfx-rs/wgpu/pull/6604).
 - Add a note to help with a common syntax error case for global diagnostic filter directives. By @e-hat in [#6718](https://github.com/gfx-rs/wgpu/pull/6718)
 - Change arithmetic operations between two i32 variables to wrap on overflow to match WGSL spec. By @matthew-wong1 in [#6835](https://github.com/gfx-rs/wgpu/pull/6835).
+- Add directives to suggestions in error message for parsing global items. By @e-hat in [#6723](https://github.com/gfx-rs/wgpu/pull/6723).
 
 ##### General
 

diff --git a/naga/src/front/wgsl/error.rs b/naga/src/front/wgsl/error.rs
@@ -390,7 +390,7 @@ impl<'a> Error<'a> {
                         "workgroup size separator (',') or a closing parenthesis".to_string()
                     }
                     ExpectedToken::GlobalItem => concat!(
-                        "global item ('struct', 'const', 'var', 'alias', ';', 'fn') ",
+                        "global item ('struct', 'const', 'var', 'alias', 'fn', 'diagnostic', 'enable', 'requires', ';') ",
                         "or the end of the file"
                     )
                     .to_string(),