...

compiler/NubLang/Parsing/Parser.cs

@@ -156,7 +156,6 @@ public sealed class Parser
         BlockSyntax? body = null;
         if (CurrentToken is SymbolToken { Symbol: Symbol.OpenBrace })
         {
-            Next();
             body = ParseBlock();
         }
 
@@ -216,6 +215,8 @@ public sealed class Parser
                     return ParseIf();
                 case Symbol.While:
                     return ParseWhile();
+                case Symbol.For:
+                    return ParseFor();
                 case Symbol.Let:
                     return ParseVariableDeclaration();
                 case Symbol.Break:
@@ -319,6 +320,25 @@ public sealed class Parser
         return new WhileSyntax(GetTokens(startIndex), condition, body);
     }
 
+    private ForSyntax ParseFor()
+    {
+        var startIndex = _tokenIndex;
+        ExpectSymbol(Symbol.For);
+        var elementIdent = ExpectIdentifier().Value;
+
+        string? indexIndent = null;
+        if (TryExpectSymbol(Symbol.Comma))
+        {
+            indexIndent = ExpectIdentifier().Value;
+        }
+
+        ExpectSymbol(Symbol.In);
+        var target = ParseExpression();
+        var body = ParseBlock();
+
+        return new ForSyntax(GetTokens(startIndex), elementIdent, indexIndent, target, body);
+    }
+
     private ExpressionSyntax ParseExpression(int precedence = 0)
     {
         var startIndex = _tokenIndex;
@@ -595,6 +615,7 @@ public sealed class Parser
     {
         var startIndex = _tokenIndex;
         List<StatementSyntax> statements = [];
+        ExpectSymbol(Symbol.OpenBrace);
         while (!TryExpectSymbol(Symbol.CloseBrace))
         {
             try