[flang] [llvm] [flang][openmp] Adds Parser and Semantic Support for Interop Construct, and Init and Use Clauses. (PR #120584)

[Krzysztof Parzyszek via llvm-commits]

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@@ -5578,6 +5578,98 @@ void OmpStructureChecker::Leave(const parser::DoConstruct &x) {
   Base::Leave(x);
 }
 
+void OmpStructureChecker::Enter(const parser::OpenMPInteropConstruct &x) {
+  bool isDependClauseOccured{false};
+  int targetCount{0}, targetSyncCount{0};
+  const auto &dir{std::get<parser::Verbatim>(x.t)};
+  std::list<std::string> ObjectNameList;
+  PushContextAndClauseSets(dir.source, llvm::omp::Directive::OMPD_interop);
+  const auto &clauseList{std::get<parser::OmpClauseList>(x.t)};
+  for (const auto &clause : clauseList.v) {
+    common::visit(
+        common::visitors{
+            [&](const parser::OmpClause::Init &InitClause) {
+              if (OmpVerifyModifiers(InitClause.v, llvm::omp::OMPC_init,
+                      GetContext().directiveSource, context_)) {
+
+                auto &modifiers{OmpGetModifiers(InitClause.v)};
+                auto &&interopTypeModifier{
+                    OmpGetRepeatableModifier<parser::OmpInteropType>(
+                        modifiers)};
+                for (auto it{interopTypeModifier.begin()},
+                     end{interopTypeModifier.end()};
+                     it != end; ++it) {
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kparzysz wrote:

Use range-for: `for (auto &it : interopTypeModifier)`

https://github.com/llvm/llvm-project/pull/120584