Add basic parsing of positional struct fields

2 files changed, 3 insertions, 2 deletions

diff --git a/src/main/java/org/shedlang/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java b/src/main/java/org/shedlang/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java
index b2e69866..54883140 100644
--- a/src/main/java/org/shedlang/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java
+++ b/src/main/java/org/shedlang/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java
@@ -5,6 +5,7 @@ import org.shedlang.compiler.sources.Source;
 public record UntypedStructFieldDefinitionNode(
     String name,
     UntypedTypeLevelExpressionNode type,
+    boolean isPositional,
     Source source
 ) implements UntypedNode {
 }
diff --git a/src/main/java/org/shedlang/compiler/parser/Parser.java b/src/main/java/org/shedlang/compiler/parser/Parser.java
index caa94e87..faf75600 100644
--- a/src/main/java/org/shedlang/compiler/parser/Parser.java
+++ b/src/main/java/org/shedlang/compiler/parser/Parser.java
@@ -1015,7 +1015,7 @@ public class Parser {
     private static UntypedStructFieldDefinitionNode parseStructFieldDefinition(TokenIterator<TokenType> tokens) {
         var start = tokens.position();
 
-        tokens.skip(TokenType.SYMBOL_DOT);
+        var isPositional = !tokens.trySkip(TokenType.SYMBOL_DOT);
         var name = tokens.nextValue(TokenType.IDENTIFIER);
 
         tokens.skip(TokenType.SYMBOL_COLON);
@@ -1025,7 +1025,7 @@ public class Parser {
         var end = tokens.position();
         var source = start.to(end);
 
-        return new UntypedStructFieldDefinitionNode(name, type, source);
+        return new UntypedStructFieldDefinitionNode(name, type, isPositional, source);
     }
 
     static UntypedExpressionNode parseSubExpression(TokenIterator<TokenType> tokens, OperatorPrecedence parentPrecedence) {