Add builder for NamespaceTypeInfo

1 files changed, 14 insertions, 6 deletions

diff --git a/src/main/java/org/shedlang/compiler/types/NamespaceTypeInfo.java b/src/main/java/org/shedlang/compiler/types/NamespaceTypeInfo.java
index 5cfb2aa8..e4c5048f 100644
--- a/src/main/java/org/shedlang/compiler/types/NamespaceTypeInfo.java
+++ b/src/main/java/org/shedlang/compiler/types/NamespaceTypeInfo.java
@@ -1,14 +1,8 @@
 package org.shedlang.compiler.types;
 
-import org.shedlang.compiler.util.POrderedMap;
-
 import java.util.Optional;
 
 public record NamespaceTypeInfo(FieldsInfo<Type> fields) {
-    public static NamespaceTypeInfo fromFields(POrderedMap<String, Type> fields) {
-        return new NamespaceTypeInfo(new FieldsInfo<>(fields));
-    }
-
     public int fieldCount() {
         return fields.fieldCount();
     }
@@ -20,4 +14,18 @@ public record NamespaceTypeInfo(FieldsInfo<Type> fields) {
     public int fieldIndex(String fieldName) {
         return fields.fieldIndex(fieldName);
     }
+
+    public static Builder builder() {
+        return new Builder(FieldsInfo.builder());
+    }
+
+    public record Builder(FieldsInfo.Builder<Type> fields) {
+        public NamespaceTypeInfo build() {
+            return new NamespaceTypeInfo(fields.build());
+        }
+
+        public Builder addField(String name, Type type) {
+            return new Builder(this.fields.addField(name, type));
+        }
+    }
 }