[Mlir-commits] [mlir] [mlir][emitC] Add support to emitter for `classop`, `fieldop` and `getfieldop` (PR #145605)

[Paul Kirth]

================
@@ -997,6 +997,61 @@ static LogicalResult printOperation(CppEmitter &emitter, ModuleOp moduleOp) {
   return success();
 }
 
+static LogicalResult printOperation(CppEmitter &emitter, ClassOp classOp) {
+  CppEmitter::Scope classScope(emitter);
+  raw_indented_ostream &os = emitter.ostream();
+  os << "class " << classOp.getSymName() << " final {\n";
+  os << "public:\n\n";
+
+  os.indent();
+  os << "const std::map<std::string, char*> _buffer_map {\n";
+  for (Operation &op : classOp) {
+    if (auto fieldOp = dyn_cast<FieldOp>(op))
+      os << "  { \"" << fieldOp.getSymName() << "\", reinterpret_cast<char*>(&"
+         << fieldOp.getAttrs() << ") },\n";
+  }
+  os << "};\n";
+
+  os << "char* getBufferForName(const std::string& name) const {\n";
+  os << "  auto it = _buffer_map.find(name);\n";
+  os << "  return (it == _buffer_map.end()) ? nullptr : it->second;\n";
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ilovepi wrote:

Should these lines be indented manually? It's certainly easier to read, but you could end up w/ inconsistent indentation, right?

https://github.com/llvm/llvm-project/pull/145605