Remove warnings system

History.md

@@ -22,11 +22,12 @@
   * e.g. `(a or b) and c`
 
 ### Breaking changes
-* We are removing the Environment's `error_mode` option.
+* The Environment's `error_mode` option has been removed.
   * `:warn` is no longer supported
   * `:lax` and `lax_parse` is no longer supported
   * `:strict` and `strict_parse` is no longer supported
   * `strict2_parse` is renamed to `parse_markup`
+* The `warnings` system has been removed.
 
 ### Migrating from `^5.11.0`
 - In custom tags that include `ParserSwitching`, rename `strict2_parse` to `parse_markup`

lib/liquid/context.rb

@@ -60,10 +60,6 @@ module Liquid
     end
     # rubocop:enable Metrics/ParameterLists
 
-    def warnings
-      @warnings ||= []
-    end
-
     def strainer
       @strainer ||= @environment.create_strainer(self, @filters)
     end
@@ -157,7 +153,6 @@ module Liquid
         subcontext.filters  = @filters
         subcontext.strainer = nil
         subcontext.errors   = errors
-        subcontext.warnings = warnings
         subcontext.disabled_tags = @disabled_tags
       end
     end
@@ -244,7 +239,7 @@ module Liquid
 
     protected
 
-    attr_writer :base_scope_depth, :warnings, :errors, :strainer, :filters, :disabled_tags
+    attr_writer :base_scope_depth, :errors, :strainer, :filters, :disabled_tags
 
     private
 

lib/liquid/parse_context.rb

@@ -3,14 +3,13 @@
 module Liquid
   class ParseContext
     attr_accessor :locale, :line_number, :trim_whitespace, :depth
-    attr_reader :partial, :warnings, :environment
+    attr_reader :partial, :environment
 
     def initialize(options = Const::EMPTY_HASH)
       @environment = options.fetch(:environment, Environment.default)
       @template_options = options ? options.dup : {}
 
       @locale = @template_options[:locale] ||= I18n.new
-      @warnings = []
 
       # constructing new StringScanner in Lexer, Tokenizer, etc is expensive
       # This StringScanner will be shared by all of them

lib/liquid/template.rb

@@ -16,7 +16,7 @@ module Liquid
   #
   class Template
     attr_accessor :root, :name
-    attr_reader :resource_limits, :warnings
+    attr_reader :resource_limits
 
     attr_reader :profiler
 
@@ -209,7 +209,6 @@ module Liquid
         ParseContext.new(opts)
       end
 
-      @warnings = parse_context.warnings
       parse_context
     end
 

test/integration/template_test.rb

@@ -44,16 +44,6 @@ class TemplateTest < Minitest::Test
     assert_equal('from instance assigns', t.parse("{{ foo }}").render!)
   end
 
-  def test_warnings_is_not_exponential_time
-    str = "false"
-    100.times do
-      str = "{% if true %}true{% else %}#{str}{% endif %}"
-    end
-
-    t = Template.parse(str)
-    assert_equal([], Timeout.timeout(1) { t.warnings })
-  end
-
   def test_instance_assigns_persist_on_same_template_parsing_between_renders
     t = Template.new.parse("{{ foo }}{% assign foo = 'foo' %}{{ foo }}")
     assert_equal('foo', t.render!)