tint/writer/wgsl: Handle diagnostic attributes
Bug: tint:1809
Change-Id: Id2176eff808b24bdb0e31c3eb397c32219ed59e7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117570
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/src/tint/writer/wgsl/generator_impl.cc b/src/tint/writer/wgsl/generator_impl.cc
index 0dfd909..bb91d93 100644
--- a/src/tint/writer/wgsl/generator_impl.cc
+++ b/src/tint/writer/wgsl/generator_impl.cc
@@ -797,6 +797,9 @@
out << "builtin(" << builtin->builtin << ")";
return true;
},
+ [&](const ast::DiagnosticAttribute* diagnostic) {
+ return EmitDiagnosticControl(out, diagnostic->control);
+ },
[&](const ast::InterpolateAttribute* interpolate) {
out << "interpolate(" << interpolate->type;
if (interpolate->sampling != ast::InterpolationSampling::kUndefined) {
diff --git a/src/tint/writer/wgsl/generator_impl_diagnostic_test.cc b/src/tint/writer/wgsl/generator_impl_diagnostic_test.cc
index 1bcadd3..d9ce01c 100644
--- a/src/tint/writer/wgsl/generator_impl_diagnostic_test.cc
+++ b/src/tint/writer/wgsl/generator_impl_diagnostic_test.cc
@@ -30,5 +30,19 @@
)");
}
+TEST_F(WgslGeneratorImplTest, Emit_DiagnosticAttribute) {
+ auto* attr =
+ DiagnosticAttribute(ast::DiagnosticSeverity::kError, Expr("chromium_unreachable_code"));
+ Func("foo", {}, ty.void_(), {}, utils::Vector{attr});
+
+ GeneratorImpl& gen = Build();
+
+ ASSERT_TRUE(gen.Generate());
+ EXPECT_EQ(gen.result(), R"(@diagnostic(error, chromium_unreachable_code)
+fn foo() {
+}
+)");
+}
+
} // namespace
} // namespace tint::writer::wgsl
