feat(plc4go/tools): add nil check for stringers

apache · Aug 2, 2023 · d343a1b · d343a1b
1 parent 4242087
commit d343a1b
Showing 1 changed file with 11 additions and 6 deletions.
diff --git a/plc4go/tools/plc4xgenerator/gen.go b/plc4go/tools/plc4xgenerator/gen.go
@@ -236,22 +236,27 @@ func (g *Generator) generate(typeName string) {
 			g.Printf("\td." + field.hasLocker + ".Lock()\n")
 			g.Printf("\tdefer d." + field.hasLocker + ".Unlock()\n")
 		}
+		needsDereference := false
+		if starFieldType, ok := fieldType.(*ast.StarExpr); ok {
+			fieldType = starFieldType.X
+			needsDereference = true
+		}
 		if field.isStringer {
+			if needsDereference {
+				g.Printf("if d.%s != nil {", field.name)
+			}
 			g.Printf(stringFieldSerialize, "d."+field.name+".String()", fieldNameUntitled)
 			if field.hasLocker != "" {
 				g.Printf("\treturn nil\n")
 				g.Printf("}(); err != nil {\n")
 				g.Printf("\treturn err\n")
 				g.Printf("}\n")
 			}
+			if needsDereference {
+				g.Printf("}\n")
+			}
 			continue
 		}
-		needsDereference := false
-		if starFieldType, ok := fieldType.(*ast.StarExpr); ok {
-			fieldType = starFieldType.X
-			needsDereference = true
-			_ = needsDereference // TODO: implement
-		}
 		switch fieldType := fieldType.(type) {
 		case *ast.SelectorExpr:
 			{