================
@@ -435,6 +450,217 @@ static void GenerateIsAllowedClause(const
DirectiveLanguage &DirLang,
OS << "}\n"; // End of function isAllowedClauseForDirective
}
+// Generate the getLeafConstructs function implementation.
+static void GenerateGetLeafConstructs(const DirectiveLanguage &DirLang,
+ raw_ostream &OS) {
+ auto getQualifiedName = [&](StringRef Formatted) -> std::string {
+ return (llvm::Twine("llvm::") + DirLang.getCppNamespace() +
+ "::Directive::" + DirLang.getDirectivePrefix() + Formatted)
+ .str();
+ };
+
+ // For each list of leaves, generate a static local object, then
+ // return a reference to that object for a given directive, e.g.
+ //
+ // static ListTy leafConstructs_A_B = { A, B };
+ // static ListTy leafConstructs_C_D_E = { C, D, E };
+ // switch (Dir) {
+ // case A_B:
+ // return leafConstructs_A_B;
+ // case C_D_E:
+ // return leafConstructs_C_D_E;
+ // }
+
+ // Map from a record that defines a directive to the name of the
+ // local object with the list of its leaves.
+ DenseMap<Record *, std::string> ListNames;
+
+ std::string DirectiveTypeName =
+ std::string("llvm::") + DirLang.getCppNamespace().str() + "::Directive";
+
+ OS << '\n';
+
+ // ArrayRef<...> llvm::<ns>::GetLeafConstructs(llvm::<ns>::Directive Dir)
+ OS << "llvm::ArrayRef<" << DirectiveTypeName
+ << "> llvm::" << DirLang.getCppNamespace() << "::getLeafConstructs("
+ << DirectiveTypeName << " Dir) ";
+ OS << "{\n";
+
+ // Generate the locals.
+ for (Record *R : DirLang.getDirectives()) {
+ Directive Dir{R};
+
+ std::vector<Record *> LeafConstructs = Dir.getLeafConstructs();
+ if (LeafConstructs.empty())
+ continue;
+
+ std::string ListName = "leafConstructs_" + Dir.getFormattedName();
+ OS << " static const " << DirectiveTypeName << ' ' << ListName
+ << "[] = {\n";
+ for (Record *L : LeafConstructs) {
+ Directive LeafDir{L};
+ OS << " " << getQualifiedName(LeafDir.getFormattedName()) << ",\n";
+ }
+ OS << " };\n";
----------------
kparzysz wrote:
Yes,
```
static const llvm::omp::Directive[] = {...};
```
https://github.com/llvm/llvm-project/pull/83625
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