[flang-commits] [flang] [flang][OpenMP]Add parsing support for MAP(MAPPER(name) ...) (PR #116274)

[Krzysztof Parzyszek via flang-commits]

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@@ -1639,6 +1641,14 @@ bool OmpVisitor::Pre(const parser::OpenMPDeclareMapperConstruct &x) {
   return false;
 }
 
+bool OmpVisitor::Pre(const parser::OmpMapClause &x) {
+  const auto &mid{std::get<parser::OmpMapperIdentifier>(x.t)};
+  if (const auto &mapperName{mid.v})
+    mapperName->symbol =
+        &MakeSymbol(*mapperName, MiscDetails{MiscDetails::Kind::ConstructName});
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kparzysz wrote:

IIUC, the MAPPER modifier should refer to a preexisting identifier, so this should be a name lookup, not creating a new symbol.  The DECLARE MAPPER should declare the identifier (and create the symbol).  If the lookup fails, you could create a dummy, and report it as an error later on.

https://github.com/llvm/llvm-project/pull/116274