[clangd] Wire up compilation for style blocks

[adamcz]

Wait, what? How? Whaaat? How did that happen?

Thanks!

clang-tools-extra/clangd/ConfigCompile.cpp

void compile(Fragment &&F) {
     }
     compile(std::move(F.If));
     compile(std::move(F.CompileFlags));
     compile(std::move(F.Index));
     compile(std::move(F.Diagnostics));
     compile(std::move(F.Completion));
     compile(std::move(F.Hover));
     compile(std::move(F.InlayHints));
+    compile(std::move(F.Style));
   }
 
   void compile(Fragment::IfBlock &&F) {
     if (F.HasUnrecognizedCondition)
       Out.Conditions.push_back([&](const Params &) { return false; });
 
 #ifdef CLANGD_PATH_CASE_INSENSITIVE
     llvm::Regex::RegexFlags Flags = llvm::Regex::IgnoreCase;

clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp

TEST_F(ConfigCompileTests, AllScopes) {
   EXPECT_TRUE(compileAndApply());
   EXPECT_FALSE(Conf.Completion.AllScopes);
 
   Frag = {};
   Frag.Completion.AllScopes = true;
   EXPECT_TRUE(compileAndApply());
   EXPECT_TRUE(Conf.Completion.AllScopes);
 }
+
+TEST_F(ConfigCompileTests, Style) {
+  Frag = {};
+  Frag.Style.FullyQualifiedNamespaces.push_back(std::string("foo"));
+  Frag.Style.FullyQualifiedNamespaces.push_back(std::string("bar"));
+  EXPECT_TRUE(compileAndApply());
+  EXPECT_THAT(Conf.Style.FullyQualifiedNamespaces, ElementsAre("foo", "bar"));
+}
 } // namespace
 } // namespace config
 } // namespace clangd
 } // namespace clang

clang-tools-extra/clangd/unittests/ConfigYAMLTests.cpp

Diagnostics:
   )yaml");
   auto Results =
       Fragment::parseYAML(YAML.code(), "config.yaml", Diags.callback());
   ASSERT_THAT(Diags.Diagnostics, IsEmpty());
   ASSERT_EQ(Results.size(), 1u);
   EXPECT_THAT(Results[0].Diagnostics.Includes.IgnoreHeader,
               ElementsAre(val("foo"), val("bar")));
 }
+
+TEST(ParseYAML, Style) {
+  CapturedDiags Diags;
+  Annotations YAML(R"yaml(
+Style:
+  FullyQualifiedNamespaces: [foo, bar])yaml");
+  auto Results =
+      Fragment::parseYAML(YAML.code(), "config.yaml", Diags.callback());
+  ASSERT_THAT(Diags.Diagnostics, IsEmpty());
+  ASSERT_EQ(Results.size(), 1u);
+  EXPECT_THAT(Results[0].Style.FullyQualifiedNamespaces,
+              ElementsAre(val("foo"), val("bar")));
+}
 } // namespace
 } // namespace config
 } // namespace clangd
 } // namespace clang