refactor(main): remove default values

Author: lvan100

gen/generator/golang/type.go

@@ -327,7 +327,6 @@ type TypeField struct {
 	Type     string
 	TypeKind TypeKind
 	Name     string
-	Default  *string
 	Tag      string
 	Validate *string
 	Binding  *Binding
@@ -493,12 +492,6 @@ func convertType(ctx Context, t tidl.Type) (Type, error) {
 			return Type{}, err
 		}
 
-		// Parse default value if specified
-		defVal, err := parseDefault(ctx, typeName, f.Default)
-		if err != nil {
-			return Type{}, err
-		}
-
 		// Parse binding information from annotations
 		binding, err := parseBinding(f.Annotations)
 		if err != nil {
@@ -522,7 +515,6 @@ func convertType(ctx Context, t tidl.Type) (Type, error) {
 			Type:     typeName,
 			TypeKind: typeKind,
 			Name:     fieldName,
-			Default:  defVal,
 			Tag:      fieldTag,
 			Validate: validate,
 			Binding:  binding,
@@ -647,46 +639,6 @@ func getTypeKind(ctx Context, typeName string) (TypeKind, error) {
 	}
 }
 
-// parseDefault parses the default value of a field based on its type
-func parseDefault(ctx Context, typeName string, v *string) (*string, error) {
-	if v == nil {
-		return nil, nil
-	}
-
-	baseType := strings.TrimPrefix(typeName, "*")
-	switch baseType {
-	case "bool":
-		return v, nil
-	case "int", "int8", "int16", "int32", "int64":
-		s := fmt.Sprintf("%s(%s)", baseType, *v)
-		return &s, nil
-	case "uint", "uint8", "uint16", "uint32", "uint64":
-		s := fmt.Sprintf("%s(%s)", baseType, *v)
-		return &s, nil
-	case "float32", "float64":
-		s := fmt.Sprintf("%s(%s)", baseType, *v)
-		return &s, nil
-	case "string":
-		return v, nil
-	default:
-		if parts := strings.Split(*v, "."); len(parts) == 2 {
-			// Handle enum values like EnumName.VALUE
-			asString := strings.HasSuffix(typeName, "AsString")
-			typeNameTrimmed := strings.TrimSuffix(typeName, "AsString")
-			if _, ok := tidl.GetEnum(ctx.files, typeNameTrimmed); !ok {
-				return v, nil // Treat as a regular string
-			}
-			s := parts[0] + "_" + parts[1]
-			if asString {
-				s = fmt.Sprintf("%sAsString(%s)", typeNameTrimmed, s)
-			}
-			return &s, nil
-		} else { // Treat as a regular string
-			return v, nil
-		}
-	}
-}
-
 // parseBinding parses a field's binding information from annotations.
 // It supports "header", "path", or "query" annotations.
 func parseBinding(arr []tidl.Annotation) (*Binding, error) {

gen/testdata/manager/idl/manager.idl

@@ -45,15 +45,15 @@ enum Department {
 
 // Generic response wrapper for all RPCs
 type Response<T> {
-    ErrCode errno = ErrCode.ERR_OK (validate="OneOfErrCode($)")
+    ErrCode errno (validate="OneOfErrCode($)")
     string errmsg
     T data
 }
 
 // Pagination request and response
 type PageReq {
-    int page = DEFAULT_PAGE (json="page", validate="$ >= 1", query="page")
-    int size = DEFAULT_PAGE_SIZE (validate="$ >= 1 && $ <= MAX_PAGE_SIZE", query="size")
+    int page (json="page", validate="$ >= 1", query="page")
+    int size (validate="$ >= 1 && $ <= MAX_PAGE_SIZE", query="size")
 }
 
 type PageResp<T> {
@@ -89,10 +89,10 @@ type Manager {
     string id
     string name (validate="len($) > 0 && len($) <= 64")
     int? age (validate="$ >= MIN_AGE && $ <= MAX_AGE")
-    bool vip = DEFAULT_VIP
-    float salary = 0.0 (validate="$ >= SALARY_MIN && $ <= SALARY_MAX")
-    string role = DEFAULT_ROLE
-    ManagerLevel level = ManagerLevel.JUNIOR (enum_as_string)
+    bool vip
+    float salary (validate="$ >= SALARY_MIN && $ <= SALARY_MAX")
+    string role
+    ManagerLevel level (enum_as_string)
     DepartmentInfo deptInfo
     ContactInfo contact
 }
@@ -108,10 +108,10 @@ type ManagerReq {
 type CreateManagerReq {
     string name (validate="len($) > 0 && len($) <= 64")
     int? age (validate="$ >= MIN_AGE && $ <= MAX_AGE")
-    bool vip = DEFAULT_VIP
-    float salary = 0.0 (validate="$ >= SALARY_MIN && $ <= SALARY_MAX")
-    string role = DEFAULT_ROLE
-    ManagerLevel level = ManagerLevel.JUNIOR
+    bool vip
+    float salary (validate="$ >= SALARY_MIN && $ <= SALARY_MAX")
+    string role
+    ManagerLevel level
     DepartmentInfo deptInfo
     ContactInfo contact
 }

lib/tidl/TParser.g4

@@ -78,9 +78,9 @@ embed_type_field
     : user_type
     ;
 
-// Common field: type + name + optional default value + optional annotations
+// Common field: type + name + optional annotations
 common_type_field
-    : common_field_type IDENTIFIER (EQUAL const_value)? type_annotations?
+    : common_field_type IDENTIFIER type_annotations?
     ;
 
 // Field type options

lib/tidl/format.go

@@ -271,7 +271,7 @@ func dumpType(t Type) string {
 }
 
 // dumpTypeField formats a single field in a type declaration,
-// including its type, name, default value, annotations, and comments.
+// including its type, name, annotations, and comments.
 func dumpTypeField(f TypeField, sb *strings.Builder) {
 	dumpAboveComments(f.Comments.Above, sb, indent)
 
@@ -282,12 +282,6 @@ func dumpTypeField(f TypeField, sb *strings.Builder) {
 		sb.WriteString(" ")
 		sb.WriteString(f.Name)
 
-		// Default value
-		if f.Default != nil {
-			sb.WriteString(" = ")
-			sb.WriteString(*f.Default)
-		}
-
 		// Annotations
 		if len(f.Annotations) > 0 {
 			sb.WriteString(" (")

lib/tidl/parser.go

@@ -398,12 +398,6 @@ func (l *ParseTreeListener) parseCommonTypeField(f ICommon_type_fieldContext, ty
 	typeField.FieldType = l.parseCommonFieldType(f.Common_field_type(), t)
 	typeField.Name = f.IDENTIFIER().GetText()
 
-	// Default value
-	if f.Const_value() != nil {
-		s := f.Const_value().GetText()
-		typeField.Default = &s
-	}
-
 	// Annotations
 	if f.Type_annotations() != nil {
 		for _, aCtx := range f.Type_annotations().AllAnnotation() {