Add --emit-accessors (#5182) (#5227)

src/V3EmitCModel.cpp

@@ -118,6 +118,17 @@ class EmitCModel final : public EmitCFunc {
                 }
             }
         }
+        if(v3Global.opt.emitAccessors()) {
+            puts("\n// ACCESSORS\n"
+                 "// The application code should use these methods to\n"
+                 "// propagate new values into/out from the Verilated model\n"
+                 "// instead of using signal variables directly.\n");
+            for (const AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) {
+                if (const AstVar* const varp = VN_CAST(nodep, Var)) {
+                    if (varp->isPrimaryIO()) emitVarAccessors(varp);
+                }
+            }
+        }
         if (optSystemC() && v3Global.usesTiming()) puts("sc_core::sc_event trigger_eval;\n");
 
         // Cells instantiated by the top level (for access to /* verilator public */)