Fix constant assignment as alias with Hash

lib/rdoc/parser/ruby.rb

@@ -861,6 +861,23 @@ def parse_constant container, tk, comment, ignore_constants = false
       eq_tk = get_tk
     end
 
+    is_array_or_hash = false
+    if TkfLBRACK === eq_tk
+      nest = 1
+      while bracket_tk = get_tk
+        case bracket_tk
+        when TkfLBRACK, TkLBRACK
+          nest += 1
+        when TkRBRACK
+          nest -= 1
+          break if nest == 0
+        end
+      end
+      skip_tkspace false
+      eq_tk = get_tk
+      is_array_or_hash = true
+    end
+
     unless TkASSIGN === eq_tk then
       unget_tk eq_tk
       return false
@@ -874,7 +891,7 @@ def parse_constant container, tk, comment, ignore_constants = false
     value = ''
     con = RDoc::Constant.new name, value, comment
 
-    body = parse_constant_body container, con
+    body = parse_constant_body container, con, is_array_or_hash
 
     return unless body
 
@@ -883,13 +900,15 @@ def parse_constant container, tk, comment, ignore_constants = false
     con.line   = line_no
     read_documentation_modifiers con, RDoc::CONSTANT_MODIFIERS
 
+    return if is_array_or_hash
+
     @stats.add_constant con
     container.add_constant con
 
     true
   end
 
-  def parse_constant_body container, constant # :nodoc:
+  def parse_constant_body container, constant, is_array_or_hash # :nodoc:
     nest     = 0
     rhs_name = ''
 
@@ -918,7 +937,7 @@ def parse_constant_body container, constant # :nodoc:
         rhs_name << tk.name
 
         if nest <= 0 and TkNL === peek_tk then
-          create_module_alias container, constant, rhs_name
+          create_module_alias container, constant, rhs_name unless is_array_or_hash
           break
         end
       when TkNL then

test/test_rdoc_parser_ruby.rb

@@ -1358,6 +1358,33 @@ def test_parse_comment_nested
     assert_equal 'comment', c.comment
   end
 
+  def test_parse_constant_with_bracket
+    util_parser <<-RUBY
+class Klass
+end
+
+class Klass2
+  CONSTANT = Klass
+end
+
+class Klass3
+  CONSTANT_2 = {}
+  CONSTANT_2[1] = Klass
+end
+    RUBY
+
+    @parser.scan
+
+    klass = @store.find_class_named 'Klass'
+    klass2 = @store.find_class_named 'Klass2'
+    klass3 = @store.find_class_named 'Klass3'
+    constant = klass2.find_module_named 'CONSTANT'
+    constant2 = klass3.find_module_named 'CONSTANT_2'
+    assert_equal klass, klass2.constants.first.is_alias_for
+    refute_equal klass, klass3.constants.first.is_alias_for
+    assert_nil klass3.find_module_named 'CONSTANT_2'
+  end
+
   def test_parse_extend_or_include_extend
     klass = RDoc::NormalClass.new 'C'
     klass.parent = @top_level