[GR-23791] Add Liquid benchmarks

PullRequest: truffleruby/2053

Author: eregon

bench/liquid/LICENSE

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+Copyright (c) 2005, 2006 Tobias Luetke
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

bench/liquid/README.md

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+Benchmarks from [Liquid](https://github.com/Shopify/liquid around), imported around version 4.0.3.
+
+The code is imported from revision `e9b649b3455c63859f1b865a8684607d6ff5b050`.
+
+Imported:
+* `LICENSE`
+* `lib/`
+* `performance/`
+
+The imported files are under the MIT license, see `LICENSE`.

bench/liquid/lib/liquid.rb

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+# frozen_string_literal: true
+
+# Copyright (c) 2005 Tobias Luetke
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+module Liquid
+  FilterSeparator             = /\|/
+  ArgumentSeparator           = ','
+  FilterArgumentSeparator     = ':'
+  VariableAttributeSeparator  = '.'
+  WhitespaceControl           = '-'
+  TagStart                    = /\{\%/
+  TagEnd                      = /\%\}/
+  VariableSignature           = /\(?[\w\-\.\[\]]\)?/
+  VariableSegment             = /[\w\-]/
+  VariableStart               = /\{\{/
+  VariableEnd                 = /\}\}/
+  VariableIncompleteEnd       = /\}\}?/
+  QuotedString                = /"[^"]*"|'[^']*'/
+  QuotedFragment              = /#{QuotedString}|(?:[^\s,\|'"]|#{QuotedString})+/o
+  TagAttributes               = /(\w+)\s*\:\s*(#{QuotedFragment})/o
+  AnyStartingTag              = /#{TagStart}|#{VariableStart}/o
+  PartialTemplateParser       = /#{TagStart}.*?#{TagEnd}|#{VariableStart}.*?#{VariableIncompleteEnd}/om
+  TemplateParser              = /(#{PartialTemplateParser}|#{AnyStartingTag})/om
+  VariableParser              = /\[[^\]]+\]|#{VariableSegment}+\??/o
+
+  singleton_class.send(:attr_accessor, :cache_classes)
+  self.cache_classes = true
+end
+
+require "liquid/version"
+require 'liquid/parse_tree_visitor'
+require 'liquid/lexer'
+require 'liquid/parser'
+require 'liquid/i18n'
+require 'liquid/drop'
+require 'liquid/tablerowloop_drop'
+require 'liquid/forloop_drop'
+require 'liquid/extensions'
+require 'liquid/errors'
+require 'liquid/interrupts'
+require 'liquid/strainer_factory'
+require 'liquid/strainer_template'
+require 'liquid/expression'
+require 'liquid/context'
+require 'liquid/parser_switching'
+require 'liquid/tag'
+require 'liquid/block'
+require 'liquid/block_body'
+require 'liquid/document'
+require 'liquid/variable'
+require 'liquid/variable_lookup'
+require 'liquid/range_lookup'
+require 'liquid/file_system'
+require 'liquid/resource_limits'
+require 'liquid/template'
+require 'liquid/standardfilters'
+require 'liquid/condition'
+require 'liquid/utils'
+require 'liquid/tokenizer'
+require 'liquid/parse_context'
+require 'liquid/partial_cache'
+require 'liquid/usage'
+require 'liquid/register'
+require 'liquid/static_registers'
+require 'liquid/template_factory'
+
+# Load all the tags of the standard library
+#
+Dir["#{__dir__}/liquid/tags/*.rb"].each { |f| require f }
+Dir["#{__dir__}/liquid/registers/*.rb"].each { |f| require f }

bench/liquid/lib/liquid/block.rb

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+# frozen_string_literal: true
+
+module Liquid
+  class Block < Tag
+    MAX_DEPTH = 100
+
+    def initialize(tag_name, markup, options)
+      super
+      @blank = true
+    end
+
+    def parse(tokens)
+      @body = BlockBody.new
+      while parse_body(@body, tokens)
+      end
+    end
+
+    # For backwards compatibility
+    def render(context)
+      @body.render(context)
+    end
+
+    def blank?
+      @blank
+    end
+
+    def nodelist
+      @body.nodelist
+    end
+
+    def unknown_tag(tag, _params, _tokens)
+      if tag == 'else'
+        raise SyntaxError, parse_context.locale.t("errors.syntax.unexpected_else",
+          block_name: block_name)
+      elsif tag.start_with?('end')
+        raise SyntaxError, parse_context.locale.t("errors.syntax.invalid_delimiter",
+          tag: tag,
+          block_name: block_name,
+          block_delimiter: block_delimiter)
+      else
+        raise SyntaxError, parse_context.locale.t("errors.syntax.unknown_tag", tag: tag)
+      end
+    end
+
+    def block_name
+      @tag_name
+    end
+
+    def block_delimiter
+      @block_delimiter ||= "end#{block_name}"
+    end
+
+    protected
+
+    def parse_body(body, tokens)
+      if parse_context.depth >= MAX_DEPTH
+        raise StackLevelError, "Nesting too deep"
+      end
+      parse_context.depth += 1
+      begin
+        body.parse(tokens, parse_context) do |end_tag_name, end_tag_params|
+          @blank &&= body.blank?
+
+          return false if end_tag_name == block_delimiter
+          unless end_tag_name
+            raise SyntaxError, parse_context.locale.t("errors.syntax.tag_never_closed", block_name: block_name)
+          end
+
+          # this tag is not registered with the system
+          # pass it to the current block for special handling or error reporting
+          unknown_tag(end_tag_name, end_tag_params, tokens)
+        end
+      ensure
+        parse_context.depth -= 1
+      end
+
+      true
+    end
+  end
+end