From 5d845bc316a601b58fd608bfd1ba9c303414589e Mon Sep 17 00:00:00 2001
From: tompng <tomoyapenguin@gmail.com>
Date: Sat, 5 Sep 2026 19:02:09 +0900
Subject: [PATCH 1/2] Remove redundant `@text_files_hash`. `@files_hash` +
 `page.text?` is enough.

---
 lib/rdoc/code_object/top_level.rb | 11 +----------
 lib/rdoc/store.rb                 | 18 ++----------------
 2 files changed, 3 insertions(+), 26 deletions(-)

diff --git a/lib/rdoc/code_object/top_level.rb b/lib/rdoc/code_object/top_level.rb
index 3f5e2d0822..357d56e232 100644
--- a/lib/rdoc/code_object/top_level.rb
+++ b/lib/rdoc/code_object/top_level.rb
@@ -37,7 +37,7 @@ class TopLevel < Context
     ##
     # The parser class that processed this file
 
-    attr_reader :parser
+    attr_accessor :parser
 
     ##
     # Creates a new TopLevel for the file at +absolute_name+.  If documentation
@@ -62,15 +62,6 @@ def initialize(absolute_name, relative_name = absolute_name)
       @classes_or_modules = []
     end
 
-    ##
-    # Sets the parser for this toplevel context, also the store.
-
-    def parser=(val)
-      @parser = val
-      @store&.cache_text_file(relative_name)
-      @parser
-    end
-
     ##
     # An RDoc::TopLevel is equal to another with the same relative_name
 
diff --git a/lib/rdoc/store.rb b/lib/rdoc/store.rb
index 563a9c96df..e6ce420e2f 100644
--- a/lib/rdoc/store.rb
+++ b/lib/rdoc/store.rb
@@ -140,7 +140,6 @@ def initialize(options, path: nil, type: nil)
       @classes_hash = {}
       @modules_hash = {}
       @files_hash   = {}
-      @text_files_hash = {}
 
       @c_enclosure_classes = {}
       @c_enclosure_names   = {}
@@ -181,7 +180,6 @@ def add_file(absolute_name, relative_name: absolute_name, parser: nil)
         top_level.parser = parser if parser
         top_level.store = self
         @files_hash[relative_name] = top_level
-        @text_files_hash[relative_name] = top_level if top_level.text?
         @page_index = nil
       end
 
@@ -200,7 +198,6 @@ def add_file(absolute_name, relative_name: absolute_name, parser: nil)
 
     def remove_file(relative_name)
       top_level = @files_hash.delete(relative_name)
-      @text_files_hash.delete(relative_name)
       @c_class_variables.delete(relative_name)
       @c_singleton_class_variables.delete(relative_name)
       return unless top_level
@@ -316,15 +313,6 @@ def resolve_c_superclasses
       end
     end
 
-    ##
-    # Caches +relative_name+ in the text files hash, if it is a text file.
-
-    def cache_text_file(relative_name)
-      if top_level = @files_hash[relative_name]
-        @text_files_hash[relative_name] = top_level if top_level.text?
-      end
-    end
-
     ##
     # Returns all classes discovered by RDoc
 
@@ -639,9 +627,8 @@ def find_module_named(name)
     # +file_name+
 
     def find_text_page(file_name)
-      @text_files_hash.each_value.find do |file|
-        file.full_name == file_name
-      end
+      page = @files_hash[file_name]
+      page if page&.text?
     end
 
     ##
@@ -749,7 +736,6 @@ def load_all
       @cache[:pages].each do |page_name|
         page = load_page page_name
         @files_hash[page_name] = page
-        @text_files_hash[page_name] = page if page.text?
       end
     end
 

From 55f31f85ff6c4fa7874d18c243bded4e85a28ff1 Mon Sep 17 00:00:00 2001
From: tomoya ishida <tomoyapenguin@gmail.com>
Date: Mon, 7 Sep 2026 21:30:46 +0900
Subject: [PATCH 2/2] Apply suggestion from @st0012

Co-authored-by: Stan Lo <stan001212@gmail.com>
---
 lib/rdoc/store.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/rdoc/store.rb b/lib/rdoc/store.rb
index e6ce420e2f..3b934dbab0 100644
--- a/lib/rdoc/store.rb
+++ b/lib/rdoc/store.rb
@@ -734,8 +734,7 @@ def load_all
 
       @page_index = nil
       @cache[:pages].each do |page_name|
-        page = load_page page_name
-        @files_hash[page_name] = page
+        @files_hash[page_name] = load_page(page_name)
       end
     end