Fix SubExpressions as PathExpression roots

Author: theodorejb

src/Ast/MustacheStatement.php

@@ -9,7 +9,7 @@ class MustacheStatement extends Statement
      */
     public function __construct(
         string $type,
-        public PathExpression|Literal $path,
+        public PathExpression|Literal|SubExpression $path,
         public array $params,
         public ?Hash $hash,
         public bool $escaped,

src/ParserAbstract.php

@@ -553,7 +553,7 @@ protected function prepareProgram(array $statements, ?SourceLocation $loc = null
      * @param Expression[] $params
      */
     protected function prepareMustache(
-        PathExpression|Literal $path,
+        PathExpression|Literal|SubExpression $path,
         array $params,
         ?Hash $hash,
         string $open,

tests/ParserTest.php

@@ -48,6 +48,12 @@ public static function successProvider(): array
             ['{{te.[e.s[t].endP}}'],
             ['{{te.[e[s.t].endQ}}'],
             ['{{#with items}}OK!{{/with}}'],
+            // SubExpression as PathExpression root
+            // https://github.com/handlebars-lang/handlebars-parser/commit/1b9f38aba8761c67e3c824f22a6da6c82d7e3d79
+            ['{{(my-helper foo).bar}}'],
+            ['{{((my-helper foo).bar baz)}}'],
+            ['{{(foo (my-helper bar).baz)}}'],
+            ['{{(foo bar=(my-helper baz).qux)}}'],
         ];
     }