Store field names in typed namespace node

2 files changed, 14 insertions, 8 deletions

diff --git a/src/main/java/org/shedlang/compiler/ast/typed/TypedNamespaceNode.java b/src/main/java/org/shedlang/compiler/ast/typed/TypedNamespaceNode.java
index d03b5ff5..359d91b1 100644
--- a/src/main/java/org/shedlang/compiler/ast/typed/TypedNamespaceNode.java
+++ b/src/main/java/org/shedlang/compiler/ast/typed/TypedNamespaceNode.java
@@ -8,6 +8,7 @@ import java.util.List;
 public record TypedNamespaceNode(
     NamespaceName namespaceName,
     List<TypedNamespaceStatementNode> body,
+    List<String> fieldNames,
     Source source
 ) implements TypedNode {
 }
diff --git a/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java b/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java
index 259e517d..770b7063 100644
--- a/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java
+++ b/src/main/java/org/shedlang/compiler/typechecker/TypeChecker.java
@@ -254,15 +254,11 @@ public class TypeChecker {
         UntypedNamespaceNode untyped,
         TypeCheckerContext context
     ) {
-        var typed = new TypedNamespaceNode(
-            untyped.namespaceName(),
-            untyped.body().stream()
-                .map(statement -> typeCheckNamespaceStatement(statement, context))
-                .toList(),
-            untyped.source()
-        );
+        var typedBody = untyped.body().stream()
+            .map(statement -> typeCheckNamespaceStatement(statement, context))
+            .toList();
 
-        var fieldTypes = typed.body().stream()
+        var fieldTypes = typedBody.stream()
             .flatMap(bodyStatement ->
                 bodyStatement instanceof TypedFunctionDefinitionNode functionDefinition
                     ? Stream.of(Map.<String, Type>entry(functionDefinition.name(), functionDefinition.type()))
@@ -270,6 +266,15 @@ public class TypeChecker {
             )
             .collect(PCollectors.toOrderedMap());
 
+        var fieldNames = fieldTypes.keys();
+
+        var typed = new TypedNamespaceNode(
+            untyped.namespaceName(),
+            typedBody,
+            fieldNames,
+            untyped.source()
+        );
+
         return context.addNamespaceFields(typed.namespaceName(), fieldTypes).toResult(typed);
     }