The MapVisitor didn't handle correctly Uint and Uin64

x-pack/agent/pkg/agent/transpiler/ast.go

@@ -397,7 +397,9 @@ func load(val reflect.Value) (Node, error) {
 		return &StrVal{value: val.Interface().(string)}, nil
 	case reflect.Int, reflect.Int64:
 		return &IntVal{value: val.Interface().(int)}, nil
-	case reflect.Uint, reflect.Uint64:
+	case reflect.Uint:
+		return &UIntVal{value: uint64(val.Interface().(uint))}, nil
+	case reflect.Uint64:
 		return &UIntVal{value: val.Interface().(uint64)}, nil
 	case reflect.Float64:
 		return &FloatVal{value: val.Interface().(float64)}, nil
@@ -441,6 +443,8 @@ func (a *AST) dispatch(n Node, visitor Visitor) {
 		visitor.OnStr(t.value)
 	case *IntVal:
 		visitor.OnInt(t.value)
+	case *UIntVal:
+		visitor.OnUInt(t.value)
 	case *BoolVal:
 		visitor.OnBool(t.value)
 	case *FloatVal:

x-pack/agent/pkg/agent/transpiler/ast_test.go

@@ -113,6 +113,29 @@ func TestAST(t *testing.T) {
 				},
 			},
 		},
+		"support unsigned integers": {
+			hashmap: map[string]interface{}{
+				"timeout": 12,
+				"range":   []uint64{20, 30, 40},
+			},
+			ast: &AST{
+				root: &Dict{
+					value: []Node{
+						&Key{
+							name: "range",
+							value: &List{
+								[]Node{
+									&UIntVal{value: uint64(20)},
+									&UIntVal{value: uint64(30)},
+									&UIntVal{value: uint64(40)},
+								},
+							},
+						},
+						&Key{name: "timeout", value: &IntVal{value: 12}},
+					},
+				},
+			},
+		},
 		"support floats": {
 			hashmap: map[string]interface{}{
 				"ratio":   0.5,

x-pack/agent/pkg/agent/transpiler/map_visitor.go

@@ -20,6 +20,11 @@ func (m *MapVisitor) OnInt(v int) {
 	m.Content = v
 }
 
+// OnUInt is called when we visit a UintVal.
+func (m *MapVisitor) OnUInt(v uint64) {
+	m.Content = v
+}
+
 // OnFloat is called when we visit a FloatVal.
 func (m *MapVisitor) OnFloat(v float64) {
 	m.Content = v

x-pack/agent/pkg/agent/transpiler/visitor.go

@@ -10,6 +10,7 @@ type Visitor interface {
 	OnList() VisitorList
 	OnStr(string)
 	OnInt(int)
+	OnUInt(uint64)
 	OnFloat(float64)
 	OnBool(bool)
 }