Fix "Call to undefined method" errors for unclosed sections

ChangeLog.md

@@ -5,6 +5,7 @@ HandleBars change log
 
 ## 9.2.0 / ????-??-??
 
+* Fixed *Call to undefined method* errors for unclosed sections - @thekid
 * Merged PR #29: Implement inverse blocks - @thekid
 * Added PHP 8.4 to the test matrix - @thekid
 * Optimized parsing `{{.}}` by not parsing following text - @thekid

src/main/php/com/handlebarsjs/HandlebarsParser.class.php

@@ -326,7 +326,8 @@ public function parse(Tokenizer $tokens, $start= '{{', $end= '}}', $indent= '')
 
     // Check for unclosed sections
     if (!empty($state->parents)) {
-      throw new TemplateFormatException('Unclosed section '.$state->target->name());
+      $block= array_pop($state->parents);
+      throw new TemplateFormatException('Unclosed section {{#'.$block->name().'}}');
     }
 
     return $state->target;

src/test/php/com/handlebarsjs/unittest/ParsingTest.class.php

@@ -152,11 +152,26 @@ public function quoted($literal, $value) {
     );
   }
 
-  #[Test, Expect(class: TemplateFormatException::class, message: '/Illegal nesting, no start tag/')]
+  #[Test, Expect(class: TemplateFormatException::class, message: 'Illegal nesting, expected {{/if}}, have {{/unless}}')]
+  public function illegal_nesting() {
+    $this->parse('{{#if test}}X{{/unless}}');
+  }
+
+  #[Test, Expect(class: TemplateFormatException::class, message: 'Illegal nesting, no start tag, but have {{/if}}')]
   public function no_start_tag() {
     $this->parse('{{if test}}X{{/if}}');
   }
 
+  #[Test, Expect(class: TemplateFormatException::class, message: 'Unclosed section {{#section}}')]
+  public function unclosed_section() {
+    $this->parse('{{#section}}X');
+  }
+
+  #[Test, Expect(class: TemplateFormatException::class, message: 'Unclosed section {{#if}}')]
+  public function unclosed_if() {
+    $this->parse('{{#if test}}X');
+  }
+
   #[Test]
   public function multiline_tag() {
     $p= $this->parse(trim('