diff --git a/.gitmodules b/.gitmodules
index 8287c5e3..f5477ea3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,9 +4,3 @@
 [submodule "spec"]
 	path = spec/ruby
 	url = git@github.com:ruby/spec.git
-[submodule "test/ruby-syntax-fixtures"]
-	path = test/ruby-syntax-fixtures
-	url = https://github.com/ruby-syntax-tree/ruby-syntax-fixtures
-[submodule "test/suites/parser"]
-	path = test/suites/parser
-	url = https://github.com/whitequark/parser
diff --git a/Rakefile b/Rakefile
index cb96e7bf..aa8d29f6 100644
--- a/Rakefile
+++ b/Rakefile
@@ -4,18 +4,13 @@ require "bundler/gem_tasks"
 require "rake/testtask"
 require "syntax_tree/rake_tasks"
 
+Rake.add_rakelib "tasks"
+
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.libs << "test/suites"
   t.libs << "lib"
-
-  # These are our own tests.
-  test_files = FileList["test/**/*_test.rb"]
-
-  # This is a big test file from the parser gem that tests its functionality.
-  test_files << "test/suites/parser/test/test_parser.rb"
-
-  t.test_files = test_files
+  t.test_files = FileList["test/**/*_test.rb"]
 end
 
 task default: :test
@@ -34,10 +29,3 @@ end
 
 SyntaxTree::Rake::CheckTask.new(&configure)
 SyntaxTree::Rake::WriteTask.new(&configure)
-
-desc "Run mspec tests using YARV emulation"
-task :spec do
-  Dir["./spec/ruby/language/**/*_spec.rb"].each do |filepath|
-    sh "exe/yarv ./spec/mspec/bin/mspec-tag #{filepath}"
-  end
-end
diff --git a/lib/syntax_tree/node.rb b/lib/syntax_tree/node.rb
index b1ecfdc7..ff8ee95a 100644
--- a/lib/syntax_tree/node.rb
+++ b/lib/syntax_tree/node.rb
@@ -11527,8 +11527,9 @@ def ===(other)
     #
     # To be clear, this method should just not exist. It's not good. It's a
     # place of shame. But it's necessary for now, so I'm keeping it.
-    def pin(parent)
-      replace = PinnedVarRef.new(value: value, location: location)
+    def pin(parent, pin)
+      replace =
+        PinnedVarRef.new(value: value, location: pin.location.to(location))
 
       parent
         .deconstruct_keys([])
diff --git a/lib/syntax_tree/parser.rb b/lib/syntax_tree/parser.rb
index 75af65bf..59128875 100644
--- a/lib/syntax_tree/parser.rb
+++ b/lib/syntax_tree/parser.rb
@@ -641,8 +641,7 @@ def visit(node)
       end
 
       def visit_var_ref(node)
-        pins.shift
-        node.pin(stack[-2])
+        node.pin(stack[-2], pins.shift)
       end
 
       def self.visit(node, tokens)
@@ -1683,6 +1682,22 @@ def on_float(value)
     #     VarField right
     #   ) -> FndPtn
     def on_fndptn(constant, left, values, right)
+      # The left and right of a find pattern are always going to be splats, so
+      # we're going to consume the * operators and use their location
+      # information to extend the location of the splats.
+      right, left =
+        [right, left].map do |node|
+          operator = consume_operator(:*)
+          location =
+            if node.value
+              operator.location.to(node.location)
+            else
+              operator.location
+            end
+
+          node.copy(location: location)
+        end
+
       # The opening of this find pattern is either going to be a left bracket, a
       # right left parenthesis, or the left splat. We're going to use this to
       # determine how to find the closing of the pattern, as well as determining
@@ -1791,7 +1806,7 @@ def on_heredoc_beg(value)
           line: lineno,
           char: char_pos,
           column: current_column,
-          size: value.size + 1
+          size: value.size
         )
 
       # Here we're going to artificially create an extra node type so that if
@@ -1826,7 +1841,7 @@ def on_heredoc_end(value)
           line: lineno,
           char: char_pos,
           column: current_column,
-          size: value.size + 1
+          size: value.size
         )
 
       heredoc_end = HeredocEnd.new(value: value.chomp, location: location)
@@ -1841,9 +1856,9 @@ def on_heredoc_end(value)
             start_line: heredoc.location.start_line,
             start_char: heredoc.location.start_char,
             start_column: heredoc.location.start_column,
-            end_line: lineno,
-            end_char: char_pos,
-            end_column: current_column
+            end_line: location.end_line,
+            end_char: location.end_char,
+            end_column: location.end_column
           )
       )
     end
@@ -2357,14 +2372,14 @@ def on_method_add_arg(call, arguments)
 
     # :call-seq:
     #   on_method_add_block: (
-    #     (Break | Call | Command | CommandCall) call,
+    #     (Break | Call | Command | CommandCall, Next) call,
     #     Block block
     #   ) -> Break | MethodAddBlock
     def on_method_add_block(call, block)
       location = call.location.to(block.location)
 
       case call
-      when Break
+      when Break, Next
         parts = call.arguments.parts
 
         node = parts.pop
diff --git a/lib/syntax_tree/translation/parser.rb b/lib/syntax_tree/translation/parser.rb
index 1e47b4e7..4a4b6ade 100644
--- a/lib/syntax_tree/translation/parser.rb
+++ b/lib/syntax_tree/translation/parser.rb
@@ -27,9 +27,9 @@ def visit_alias(node)
         s(
           :alias,
           [visit(node.left), visit(node.right)],
-          source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 5),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_length(node.location.start_char, 5),
+            source_range_node(node)
           )
         )
       end
@@ -58,11 +58,7 @@ def visit_aref(node)
               [visit(node.collection)].concat(visit_all(node.index.parts)),
               source_map_index(
                 begin_token:
-                  source_range_find(
-                    node.collection.location.end_char,
-                    node.index.location.start_char,
-                    "["
-                  ),
+                  source_range_find_between(node.collection, node.index, "["),
                 end_token: source_range_length(node.location.end_char, -1),
                 expression: source_range_node(node)
               )
@@ -90,9 +86,9 @@ def visit_aref(node)
               source_map_send(
                 selector:
                   source_range(
-                    source_range_find(
-                      node.collection.location.end_char,
-                      node.index.location.start_char,
+                    source_range_find_between(
+                      node.collection,
+                      node.index,
                       "["
                     ).begin_pos,
                     node.location.end_char
@@ -128,11 +124,7 @@ def visit_aref_field(node)
               [visit(node.collection)].concat(visit_all(node.index.parts)),
               source_map_index(
                 begin_token:
-                  source_range_find(
-                    node.collection.location.end_char,
-                    node.index.location.start_char,
-                    "["
-                  ),
+                  source_range_find_between(node.collection, node.index, "["),
                 end_token: source_range_length(node.location.end_char, -1),
                 expression: source_range_node(node)
               )
@@ -162,9 +154,9 @@ def visit_aref_field(node)
               source_map_send(
                 selector:
                   source_range(
-                    source_range_find(
-                      node.collection.location.end_char,
-                      node.index.location.start_char,
+                    source_range_find_between(
+                      node.collection,
+                      node.index,
                       "["
                     ).begin_pos,
                     node.location.end_char
@@ -182,8 +174,8 @@ def visit_arg_block(node)
           :block_pass,
           [visit(node.value)],
           source_map_operator(
-            operator: source_range_length(node.location.start_char, 1),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 1),
+            source_range_node(node)
           )
         )
       end
@@ -192,18 +184,14 @@ def visit_arg_block(node)
       def visit_arg_star(node)
         if stack[-3].is_a?(MLHSParen) && stack[-3].contents.is_a?(MLHS)
           if node.value.nil?
-            s(
-              :restarg,
-              [],
-              source_map_variable(expression: source_range_node(node))
-            )
+            s(:restarg, [], source_map_variable(nil, source_range_node(node)))
           else
             s(
               :restarg,
               [node.value.value.to_sym],
               source_map_variable(
-                name: source_range_node(node.value),
-                expression: source_range_node(node)
+                source_range_node(node.value),
+                source_range_node(node)
               )
             )
           end
@@ -212,8 +200,8 @@ def visit_arg_star(node)
             :splat,
             node.value.nil? ? [] : [visit(node.value)],
             source_map_operator(
-              operator: source_range_length(node.location.start_char, 1),
-              expression: source_range_node(node)
+              source_range_length(node.location.start_char, 1),
+              source_range_node(node)
             )
           )
         end
@@ -307,11 +295,7 @@ def visit_assign(node)
           target
             .location
             .with_operator(
-              source_range_find(
-                node.target.location.end_char,
-                node.value.location.start_char,
-                "="
-              )
+              source_range_find_between(node.target, node.value, "=")
             )
             .with_expression(source_range_node(node))
 
@@ -324,19 +308,25 @@ def visit_assoc(node)
           expression =
             source_range(node.location.start_char, node.location.end_char - 1)
 
+          type, location =
+            if node.key.value.start_with?(/[A-Z]/)
+              [:const, source_map_constant(nil, expression, expression)]
+            else
+              [
+                :send,
+                source_map_send(selector: expression, expression: expression)
+              ]
+            end
+
           s(
             :pair,
             [
               visit(node.key),
-              s(
-                node.key.value.start_with?(/[A-Z]/) ? :const : :send,
-                [nil, node.key.value.chomp(":").to_sym],
-                source_map_send(selector: expression, expression: expression)
-              )
+              s(type, [nil, node.key.value.chomp(":").to_sym], location)
             ],
             source_map_operator(
-              operator: source_range_length(node.key.location.end_char, -1),
-              expression: source_range_node(node)
+              source_range_length(node.key.location.end_char, -1),
+              source_range_node(node)
             )
           )
         else
@@ -344,8 +334,9 @@ def visit_assoc(node)
             :pair,
             [visit(node.key), visit(node.value)],
             source_map_operator(
-              operator: source_range_length(node.key.location.end_char, -1),
-              expression: source_range_node(node)
+              source_range_search_between(node.key, node.value, "=>") ||
+                source_range_length(node.key.location.end_char, -1),
+              source_range_node(node)
             )
           )
         end
@@ -357,8 +348,8 @@ def visit_assoc_splat(node)
           :kwsplat,
           [visit(node.value)],
           source_map_operator(
-            operator: source_range_length(node.location.start_char, 2),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 2),
+            source_range_node(node)
           )
         )
       end
@@ -394,15 +385,14 @@ def visit_BEGIN(node)
           :preexe,
           [visit(node.statements)],
           source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 5),
-            begin_token:
-              source_range_find(
-                node.location.start_char + 5,
-                node.statements.location.start_char,
-                "{"
-              ),
-            end_token: source_range_length(node.location.end_char, -1),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 5),
+            source_range_find(
+              node.location.start_char + 5,
+              node.statements.location.start_char,
+              "{"
+            ),
+            source_range_length(node.location.end_char, -1),
+            source_range_node(node)
           )
         )
       end
@@ -450,13 +440,12 @@ def visit_binary(node)
             ),
             [visit(node.left), visit(node.right)],
             source_map_operator(
-              operator:
-                source_range_find(
-                  node.left.location.end_char,
-                  node.right.location.start_char,
-                  node.operator.to_s
-                ),
-              expression: source_range_node(node)
+              source_range_find_between(
+                node.left,
+                node.right,
+                node.operator.to_s
+              ),
+              source_range_node(node)
             )
           )
         when :=~
@@ -471,13 +460,12 @@ def visit_binary(node)
               :match_with_lvasgn,
               [visit(node.left), visit(node.right)],
               source_map_operator(
-                operator:
-                  source_range_find(
-                    node.left.location.end_char,
-                    node.right.location.start_char,
-                    node.operator.to_s
-                  ),
-                expression: source_range_node(node)
+                source_range_find_between(
+                  node.left,
+                  node.right,
+                  node.operator.to_s
+                ),
+                source_range_node(node)
               )
             )
           else
@@ -491,18 +479,14 @@ def visit_binary(node)
       # Visit a BlockArg node.
       def visit_blockarg(node)
         if node.name.nil?
-          s(
-            :blockarg,
-            [nil],
-            source_map_variable(expression: source_range_node(node))
-          )
+          s(:blockarg, [nil], source_map_variable(nil, source_range_node(node)))
         else
           s(
             :blockarg,
             [node.name.value.to_sym],
             source_map_variable(
-              name: source_range_node(node.name),
-              expression: source_range_node(node)
+              source_range_node(node.name),
+              source_range_node(node)
             )
           )
         end
@@ -516,8 +500,8 @@ def visit_block_var(node)
               :shadowarg,
               [local.value.to_sym],
               source_map_variable(
-                name: source_range_node(local),
-                expression: source_range_node(local)
+                source_range_node(local),
+                source_range_node(local)
               )
             )
           end
@@ -539,8 +523,8 @@ def visit_block_var(node)
                       :arg,
                       [required.value.to_sym],
                       source_map_variable(
-                        name: source_range_node(required),
-                        expression: source_range_node(required)
+                        source_range_node(required),
+                        source_range_node(required)
                       )
                     )
                   ],
@@ -624,9 +608,9 @@ def visit_break(node)
         s(
           :break,
           visit_all(node.arguments.parts),
-          source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 5),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_length(node.location.start_char, 5),
+            source_range_node(node)
           )
         )
       end
@@ -685,11 +669,7 @@ def visit_CHAR(node)
       def visit_class(node)
         operator =
           if node.superclass
-            source_range_find(
-              node.constant.location.end_char,
-              node.superclass.location.start_char,
-              "<"
-            )
+            source_range_find_between(node.constant, node.superclass, "<")
           end
 
         s(
@@ -824,8 +804,9 @@ def visit_const(node)
           :const,
           [nil, node.value.to_sym],
           source_map_constant(
-            name: source_range_node(node),
-            expression: source_range_node(node)
+            nil,
+            source_range_node(node),
+            source_range_node(node)
           )
         )
       end
@@ -840,14 +821,9 @@ def visit_const_path_field(node)
             :casgn,
             [visit(node.parent), node.constant.value.to_sym],
             source_map_constant(
-              double_colon:
-                source_range_find(
-                  node.parent.location.end_char,
-                  node.constant.location.start_char,
-                  "::"
-                ),
-              name: source_range_node(node.constant),
-              expression: source_range_node(node)
+              source_range_find_between(node.parent, node.constant, "::"),
+              source_range_node(node.constant),
+              source_range_node(node)
             )
           )
         end
@@ -859,14 +835,9 @@ def visit_const_path_ref(node)
           :const,
           [visit(node.parent), node.constant.value.to_sym],
           source_map_constant(
-            double_colon:
-              source_range_find(
-                node.parent.location.end_char,
-                node.constant.location.start_char,
-                "::"
-              ),
-            name: source_range_node(node.constant),
-            expression: source_range_node(node)
+            source_range_find_between(node.parent, node.constant, "::"),
+            source_range_node(node.constant),
+            source_range_node(node)
           )
         )
       end
@@ -877,8 +848,9 @@ def visit_const_ref(node)
           :const,
           [nil, node.constant.value.to_sym],
           source_map_constant(
-            name: source_range_node(node.constant),
-            expression: source_range_node(node)
+            nil,
+            source_range_node(node.constant),
+            source_range_node(node)
           )
         )
       end
@@ -888,10 +860,7 @@ def visit_cvar(node)
         s(
           :cvar,
           [node.value.to_sym],
-          source_map_variable(
-            name: source_range_node(node),
-            expression: source_range_node(node)
-          )
+          source_map_variable(source_range_node(node), source_range_node(node))
         )
       end
 
@@ -931,9 +900,9 @@ def visit_def(node)
             source_map_method_definition(
               keyword: source_range_length(node.location.start_char, 3),
               assignment:
-                source_range_find(
-                  (node.params || node.name).location.end_char,
-                  node.bodystmt.location.start_char,
+                source_range_find_between(
+                  (node.params || node.name),
+                  node.bodystmt,
                   "="
                 ),
               name: source_range_node(node.name),
@@ -983,10 +952,10 @@ def visit_defined(node)
           :defined?,
           [visit(node.value)],
           source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 8),
-            begin_token: begin_token,
-            end_token: end_token,
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 8),
+            begin_token,
+            end_token,
+            source_range_node(node)
           )
         )
       end
@@ -1061,15 +1030,14 @@ def visit_END(node)
           :postexe,
           [visit(node.statements)],
           source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 3),
-            begin_token:
-              source_range_find(
-                node.location.start_char + 3,
-                node.statements.location.start_char,
-                "{"
-              ),
-            end_token: source_range_length(node.location.end_char, -1),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 3),
+            source_range_find(
+              node.location.start_char + 3,
+              node.statements.location.start_char,
+              "{"
+            ),
+            source_range_length(node.location.end_char, -1),
+            source_range_node(node)
           )
         )
       end
@@ -1129,32 +1097,36 @@ def visit_float(node)
         s(
           :float,
           [node.value.to_f],
-          source_map_operator(
-            operator: operator,
-            expression: source_range_node(node)
-          )
+          source_map_operator(operator, source_range_node(node))
         )
       end
 
       # Visit a FndPtn node.
       def visit_fndptn(node)
-        make_match_rest = ->(child) do
-          if child.is_a?(VarField) && child.value.nil?
-            s(:match_rest, [], nil)
-          else
-            s(:match_rest, [visit(child)], nil)
+        left, right =
+          [node.left, node.right].map do |child|
+            location =
+              source_map_operator(
+                source_range_length(child.location.start_char, 1),
+                source_range_node(child)
+              )
+
+            if child.is_a?(VarField) && child.value.nil?
+              s(:match_rest, [], location)
+            else
+              s(:match_rest, [visit(child)], location)
+            end
           end
-        end
 
         inner =
           s(
             :find_pattern,
-            [
-              make_match_rest[node.left],
-              *visit_all(node.values),
-              make_match_rest[node.right]
-            ],
-            nil
+            [left, *visit_all(node.values), right],
+            source_map_collection(
+              begin_token: source_range_length(node.location.start_char, 1),
+              end_token: source_range_length(node.location.end_char, -1),
+              expression: source_range_node(node)
+            )
           )
 
         if node.constant
@@ -1166,28 +1138,15 @@ def visit_fndptn(node)
 
       # Visit a For node.
       def visit_for(node)
-        begin_start = node.collection.location.end_char
-        begin_end = node.statements.location.start_char
-
-        begin_token =
-          if buffer.source[begin_start...begin_end].include?("do")
-            source_range_find(begin_start, begin_end, "do")
-          end
-
         s(
           :for,
           [visit(node.index), visit(node.collection), visit(node.statements)],
           source_map_for(
-            keyword: source_range_length(node.location.start_char, 3),
-            in_token:
-              source_range_find(
-                node.index.location.end_char,
-                node.collection.location.start_char,
-                "in"
-              ),
-            begin_token: begin_token,
-            end_token: source_range_length(node.location.end_char, -3),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 3),
+            source_range_find_between(node.index, node.collection, "in"),
+            source_range_search_between(node.collection, node.statements, "do"),
+            source_range_length(node.location.end_char, -3),
+            source_range_node(node)
           )
         )
       end
@@ -1197,10 +1156,7 @@ def visit_gvar(node)
         s(
           :gvar,
           [node.value.to_sym],
-          source_map_variable(
-            name: source_range_node(node),
-            expression: source_range_node(node)
-          )
+          source_map_variable(source_range_node(node), source_range_node(node))
         )
       end
 
@@ -1303,15 +1259,32 @@ def visit_heredoc(node)
         end
 
         heredoc_segments.trim!
+        location =
+          source_map_heredoc(
+            source_range_node(node.beginning),
+            source_range(
+              if node.parts.empty?
+                node.beginning.location.end_char
+              else
+                node.parts.first.location.start_char
+              end,
+              node.ending.location.start_char
+            ),
+            source_range(
+              node.ending.location.start_char,
+              node.ending.location.end_char - 1
+            )
+          )
 
         if node.beginning.value.match?(/`\w+`\z/)
-          s(:xstr, heredoc_segments.segments, nil)
+          s(:xstr, heredoc_segments.segments, location)
         elsif heredoc_segments.segments.length > 1
-          s(:dstr, heredoc_segments.segments, nil)
+          s(:dstr, heredoc_segments.segments, location)
         elsif heredoc_segments.segments.empty?
-          s(:dstr, [], nil)
+          s(:dstr, [], location)
         else
-          heredoc_segments.segments.first
+          segment = heredoc_segments.segments.first
+          s(segment.type, segment.children, location)
         end
       end
 
@@ -1353,10 +1326,7 @@ def visit_ident(node)
         s(
           :lvar,
           [node.value.to_sym],
-          source_map_variable(
-            name: source_range_node(node),
-            expression: source_range_node(node)
-          )
+          source_map_variable(source_range_node(node), source_range_node(node))
         )
       end
 
@@ -1389,14 +1359,9 @@ def visit_if(node)
           :if,
           [predicate, visit(node.statements), visit(node.consequent)],
           if node.modifier?
-            source_map_keyword(
-              keyword:
-                source_range_find(
-                  node.statements.location.end_char,
-                  node.predicate.location.start_char,
-                  "if"
-                ),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_find_between(node.statements, node.predicate, "if"),
+              source_range_node(node)
             )
           else
             begin_start = node.predicate.location.end_char
@@ -1410,6 +1375,8 @@ def visit_if(node)
             begin_token =
               if buffer.source[begin_start...begin_end].include?("then")
                 source_range_find(begin_start, begin_end, "then")
+              elsif buffer.source[begin_start...begin_end].include?(";")
+                source_range_find(begin_start, begin_end, ";")
               end
 
             else_token =
@@ -1450,7 +1417,7 @@ def visit_imaginary(node)
             # case. Maybe there's an API for this but I can't find it.
             eval(node.value)
           ],
-          source_map_operator(expression: source_range_node(node))
+          source_map_operator(nil, source_range_node(node))
         )
       end
 
@@ -1478,19 +1445,24 @@ def visit_in(node)
             nil
           )
         else
+          begin_token =
+            source_range_search_between(node.pattern, node.statements, "then")
+
           end_char =
-            if node.statements.empty?
+            if begin_token || node.statements.empty?
               node.statements.location.end_char - 1
             else
-              node.statements.body.first.location.start_char
+              node.statements.body.last.location.start_char
             end
 
           s(
             :in_pattern,
             [visit(node.pattern), nil, visit(node.statements)],
             source_map_keyword(
-              keyword: source_range_length(node.location.start_char, 2),
-              expression: source_range(node.location.start_char, end_char)
+              source_range_length(node.location.start_char, 2),
+              begin_token,
+              nil,
+              source_range(node.location.start_char, end_char)
             )
           )
         end
@@ -1506,10 +1478,7 @@ def visit_int(node)
         s(
           :int,
           [node.value.to_i],
-          source_map_operator(
-            operator: operator,
-            expression: source_range_node(node)
-          )
+          source_map_operator(operator, source_range_node(node))
         )
       end
 
@@ -1518,10 +1487,7 @@ def visit_ivar(node)
         s(
           :ivar,
           [node.value.to_sym],
-          source_map_variable(
-            name: source_range_node(node),
-            expression: source_range_node(node)
-          )
+          source_map_variable(source_range_node(node), source_range_node(node))
         )
       end
 
@@ -1548,18 +1514,14 @@ def visit_kw(node)
       # Visit a KwRestParam node.
       def visit_kwrest_param(node)
         if node.name.nil?
-          s(
-            :kwrestarg,
-            [],
-            source_map_variable(expression: source_range_node(node))
-          )
+          s(:kwrestarg, [], source_map_variable(nil, source_range_node(node)))
         else
           s(
             :kwrestarg,
             [node.name.value.to_sym],
             source_map_variable(
-              name: source_range_node(node.name),
-              expression: source_range_node(node)
+              source_range_node(node.name),
+              source_range_node(node)
             )
           )
         end
@@ -1635,8 +1597,8 @@ def visit_lambda_var(node)
               :shadowarg,
               [local.value.to_sym],
               source_map_variable(
-                name: source_range_node(local),
-                expression: source_range_node(local)
+                source_range_node(local),
+                source_range_node(local)
               )
             )
           end
@@ -1661,13 +1623,8 @@ def visit_massign(node)
           :masgn,
           [visit(node.target), visit(node.value)],
           source_map_operator(
-            operator:
-              source_range_find(
-                node.target.location.end_char,
-                node.value.location.start_char,
-                "="
-              ),
-            expression: source_range_node(node)
+            source_range_find_between(node.target, node.value, "="),
+            source_range_node(node)
           )
         )
       end
@@ -1722,8 +1679,8 @@ def visit_mlhs(node)
                 :arg,
                 [part.value.to_sym],
                 source_map_variable(
-                  name: source_range_node(part),
-                  expression: source_range_node(part)
+                  source_range_node(part),
+                  source_range_node(part)
                 )
               )
             else
@@ -1778,9 +1735,9 @@ def visit_next(node)
         s(
           :next,
           visit_all(node.arguments.parts),
-          source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 4),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_length(node.location.start_char, 4),
+            source_range_node(node)
           )
         )
       end
@@ -1839,10 +1796,45 @@ def visit_not(node)
       # Visit an OpAssign node.
       def visit_opassign(node)
         location =
-          source_map_variable(
-            name: source_range_node(node.target),
-            expression: source_range_node(node)
-          ).with_operator(source_range_node(node.operator))
+          case node.target
+          when ARefField
+            source_map_index(
+              begin_token:
+                source_range_find(
+                  node.target.collection.location.end_char,
+                  if node.target.index
+                    node.target.index.location.start_char
+                  else
+                    node.target.location.end_char
+                  end,
+                  "["
+                ),
+              end_token: source_range_length(node.target.location.end_char, -1),
+              expression: source_range_node(node)
+            )
+          when Field
+            source_map_send(
+              dot:
+                if node.target.operator == :"::"
+                  source_range_find_between(
+                    node.target.parent,
+                    node.target.name,
+                    "::"
+                  )
+                else
+                  source_range_node(node.target.operator)
+                end,
+              selector: source_range_node(node.target.name),
+              expression: source_range_node(node)
+            )
+          else
+            source_map_variable(
+              source_range_node(node.target),
+              source_range_node(node)
+            )
+          end
+
+        location = location.with_operator(source_range_node(node.operator))
 
         case node.operator.value
         when "||="
@@ -1876,8 +1868,8 @@ def visit_params(node)
                 :arg,
                 [required.value.to_sym],
                 source_map_variable(
-                  name: source_range_node(required),
-                  expression: source_range_node(required)
+                  source_range_node(required),
+                  source_range_node(required)
                 )
               )
             end
@@ -1889,16 +1881,9 @@ def visit_params(node)
               :optarg,
               [name.value.to_sym, visit(value)],
               source_map_variable(
-                name: source_range_node(name),
-                expression:
-                  source_range_node(name).join(source_range_node(value))
-              ).with_operator(
-                source_range_find(
-                  name.location.end_char,
-                  value.location.start_char,
-                  "="
-                )
-              )
+                source_range_node(name),
+                source_range_node(name).join(source_range_node(value))
+              ).with_operator(source_range_find_between(name, value, "="))
             )
           end
 
@@ -1912,8 +1897,8 @@ def visit_params(node)
               :arg,
               [post.value.to_sym],
               source_map_variable(
-                name: source_range_node(post),
-                expression: source_range_node(post)
+                source_range_node(post),
+                source_range_node(post)
               )
             )
           end
@@ -1927,13 +1912,11 @@ def visit_params(node)
                 :kwoptarg,
                 [key, visit(value)],
                 source_map_variable(
-                  name:
-                    source_range(
-                      name.location.start_char,
-                      name.location.end_char - 1
-                    ),
-                  expression:
-                    source_range_node(name).join(source_range_node(value))
+                  source_range(
+                    name.location.start_char,
+                    name.location.end_char - 1
+                  ),
+                  source_range_node(name).join(source_range_node(value))
                 )
               )
             else
@@ -1941,12 +1924,11 @@ def visit_params(node)
                 :kwarg,
                 [key],
                 source_map_variable(
-                  name:
-                    source_range(
-                      name.location.start_char,
-                      name.location.end_char - 1
-                    ),
-                  expression: source_range_node(name)
+                  source_range(
+                    name.location.start_char,
+                    name.location.end_char - 1
+                  ),
+                  source_range_node(name)
                 )
               )
             end
@@ -1960,8 +1942,8 @@ def visit_params(node)
             :kwnilarg,
             [],
             source_map_variable(
-              name: source_range_length(node.location.end_char, -3),
-              expression: source_range_node(node)
+              source_range_length(node.location.end_char, -3),
+              source_range_node(node)
             )
           )
         else
@@ -2011,12 +1993,41 @@ def visit_paren(node)
 
       # Visit a PinnedBegin node.
       def visit_pinned_begin(node)
-        s(:pin, [s(:begin, [visit(node.statement)], nil)], nil)
+        s(
+          :pin,
+          [
+            s(
+              :begin,
+              [visit(node.statement)],
+              source_map_collection(
+                begin_token:
+                  source_range_length(node.location.start_char + 1, 1),
+                end_token: source_range_length(node.location.end_char, -1),
+                expression:
+                  source_range(
+                    node.location.start_char + 1,
+                    node.location.end_char
+                  )
+              )
+            )
+          ],
+          source_map_send(
+            selector: source_range_length(node.location.start_char, 1),
+            expression: source_range_node(node)
+          )
+        )
       end
 
       # Visit a PinnedVarRef node.
       def visit_pinned_var_ref(node)
-        s(:pin, [visit(node.value)], nil)
+        s(
+          :pin,
+          [visit(node.value)],
+          source_map_send(
+            selector: source_range_length(node.location.start_char, 1),
+            expression: source_range_node(node)
+          )
+        )
       end
 
       # Visit a Program node.
@@ -2057,8 +2068,8 @@ def visit_range(node)
           node.operator.value == ".." ? :irange : :erange,
           [visit(node.left), visit(node.right)],
           source_map_operator(
-            operator: source_range_node(node.operator),
-            expression: source_range_node(node)
+            source_range_node(node.operator),
+            source_range_node(node)
           )
         )
       end
@@ -2069,8 +2080,8 @@ def visit_rassign(node)
           node.operator.value == "=>" ? :match_pattern : :match_pattern_p,
           [visit(node.value), visit(node.pattern)],
           source_map_operator(
-            operator: source_range_node(node.operator),
-            expression: source_range_node(node)
+            source_range_node(node.operator),
+            source_range_node(node)
           )
         )
       end
@@ -2080,7 +2091,7 @@ def visit_rational(node)
         s(
           :rational,
           [node.value.to_r],
-          source_map_operator(expression: source_range_node(node))
+          source_map_operator(nil, source_range_node(node))
         )
       end
 
@@ -2089,9 +2100,9 @@ def visit_redo(node)
         s(
           :redo,
           [],
-          source_map_keyword(
-            keyword: source_range_node(node),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_node(node),
+            source_range_node(node)
           )
         )
       end
@@ -2245,11 +2256,7 @@ def visit_rescue(node)
       # Visit a RescueMod node.
       def visit_rescue_mod(node)
         keyword =
-          source_range_find(
-            node.statement.location.end_char,
-            node.value.location.start_char,
-            "rescue"
-          )
+          source_range_find_between(node.statement, node.value, "rescue")
 
         s(
           :rescue,
@@ -2276,16 +2283,12 @@ def visit_rest_param(node)
             :restarg,
             [node.name.value.to_sym],
             source_map_variable(
-              name: source_range_node(node.name),
-              expression: source_range_node(node)
+              source_range_node(node.name),
+              source_range_node(node)
             )
           )
         else
-          s(
-            :restarg,
-            [],
-            source_map_variable(expression: source_range_node(node))
-          )
+          s(:restarg, [], source_map_variable(nil, source_range_node(node)))
         end
       end
 
@@ -2294,9 +2297,9 @@ def visit_retry(node)
         s(
           :retry,
           [],
-          source_map_keyword(
-            keyword: source_range_node(node),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_node(node),
+            source_range_node(node)
           )
         )
       end
@@ -2306,9 +2309,9 @@ def visit_return(node)
         s(
           :return,
           node.arguments ? visit_all(node.arguments.parts) : [],
-          source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 6),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_length(node.location.start_char, 6),
+            source_range_node(node)
           )
         )
       end
@@ -2399,7 +2402,11 @@ def visit_string_literal(node)
         location =
           if node.quote
             source_map_collection(
-              begin_token: source_range_length(node.location.start_char, 1),
+              begin_token:
+                source_range_length(
+                  node.location.start_char,
+                  node.quote.length
+                ),
               end_token: source_range_length(node.location.end_char, -1),
               expression: source_range_node(node)
             )
@@ -2423,9 +2430,9 @@ def visit_super(node)
           s(
             :super,
             visit_all(node.arguments.parts),
-            source_map_keyword(
-              keyword: source_range_node(node),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_length(node.location.start_char, 5),
+              source_range_node(node)
             )
           )
         else
@@ -2435,15 +2442,14 @@ def visit_super(node)
               :super,
               [],
               source_map_keyword(
-                keyword: source_range_length(node.location.start_char, 5),
-                begin_token:
-                  source_range_find(
-                    node.location.start_char + 5,
-                    node.location.end_char,
-                    "("
-                  ),
-                end_token: source_range_length(node.location.end_char, -1),
-                expression: source_range_node(node)
+                source_range_length(node.location.start_char, 5),
+                source_range_find(
+                  node.location.start_char + 5,
+                  node.location.end_char,
+                  "("
+                ),
+                source_range_length(node.location.end_char, -1),
+                source_range_node(node)
               )
             )
           when ArgsForward
@@ -2453,15 +2459,14 @@ def visit_super(node)
               :super,
               visit_all(node.arguments.arguments.parts),
               source_map_keyword(
-                keyword: source_range_length(node.location.start_char, 5),
-                begin_token:
-                  source_range_find(
-                    node.location.start_char + 5,
-                    node.location.end_char,
-                    "("
-                  ),
-                end_token: source_range_length(node.location.end_char, -1),
-                expression: source_range_node(node)
+                source_range_length(node.location.start_char, 5),
+                source_range_find(
+                  node.location.start_char + 5,
+                  node.location.end_char,
+                  "("
+                ),
+                source_range_length(node.location.end_char, -1),
+                source_range_node(node)
               )
             )
           end
@@ -2526,9 +2531,9 @@ def visit_top_const_field(node)
             node.constant.value.to_sym
           ],
           source_map_constant(
-            double_colon: source_range_length(node.location.start_char, 2),
-            name: source_range_node(node.constant),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 2),
+            source_range_node(node.constant),
+            source_range_node(node)
           )
         )
       end
@@ -2548,9 +2553,9 @@ def visit_top_const_ref(node)
             node.constant.value.to_sym
           ],
           source_map_constant(
-            double_colon: source_range_length(node.location.start_char, 2),
-            name: source_range_node(node.constant),
-            expression: source_range_node(node)
+            source_range_length(node.location.start_char, 2),
+            source_range_node(node.constant),
+            source_range_node(node)
           )
         )
       end
@@ -2592,9 +2597,9 @@ def visit_undef(node)
         s(
           :undef,
           visit_all(node.symbols),
-          source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 5),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_length(node.location.start_char, 5),
+            source_range_node(node)
           )
         )
       end
@@ -2624,14 +2629,13 @@ def visit_unless(node)
           :if,
           [predicate, visit(node.consequent), visit(node.statements)],
           if node.modifier?
-            source_map_keyword(
-              keyword:
-                source_range_find(
-                  node.statements.location.end_char,
-                  node.predicate.location.start_char,
-                  "unless"
-                ),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_find_between(
+                node.statements,
+                node.predicate,
+                "unless"
+              ),
+              source_range_node(node)
             )
           else
             source_map_condition(
@@ -2649,20 +2653,20 @@ def visit_until(node)
           loop_post?(node) ? :until_post : :until,
           [visit(node.predicate), visit(node.statements)],
           if node.modifier?
-            source_map_keyword(
-              keyword:
-                source_range_find(
-                  node.statements.location.end_char,
-                  node.predicate.location.start_char,
-                  "until"
-                ),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_find_between(
+                node.statements,
+                node.predicate,
+                "until"
+              ),
+              source_range_node(node)
             )
           else
             source_map_keyword(
-              keyword: source_range_length(node.location.start_char, 5),
-              end_token: source_range_length(node.location.end_char, -3),
-              expression: source_range_node(node)
+              source_range_length(node.location.start_char, 5),
+              nil,
+              source_range_length(node.location.end_char, -3),
+              source_range_node(node)
             )
           end
         )
@@ -2688,8 +2692,8 @@ def visit_var_field(node)
             :match_var,
             [name],
             source_map_variable(
-              name: source_range_node(node),
-              expression: source_range_node(node)
+              source_range_node(node.value),
+              source_range_node(node.value)
             )
           )
         elsif node.value.is_a?(Const)
@@ -2697,15 +2701,16 @@ def visit_var_field(node)
             :casgn,
             [nil, name],
             source_map_constant(
-              name: source_range_node(node.value),
-              expression: source_range_node(node)
+              nil,
+              source_range_node(node.value),
+              source_range_node(node)
             )
           )
         else
           location =
             source_map_variable(
-              name: source_range_node(node),
-              expression: source_range_node(node)
+              source_range_node(node),
+              source_range_node(node)
             )
 
           case node.value
@@ -2747,17 +2752,26 @@ def visit_vcall(node)
       # Visit a When node.
       def visit_when(node)
         keyword = source_range_length(node.location.start_char, 4)
+        begin_token =
+          if buffer.source[node.statements.location.start_char] == ";"
+            source_range_length(node.statements.location.start_char, 1)
+          end
+
+        end_char =
+          if node.statements.body.empty?
+            node.statements.location.end_char
+          else
+            node.statements.body.last.location.end_char
+          end
 
         s(
           :when,
           visit_all(node.arguments.parts) + [visit(node.statements)],
           source_map_keyword(
-            keyword: keyword,
-            expression:
-              source_range(
-                keyword.begin_pos,
-                node.statements.location.end_char - 1
-              )
+            keyword,
+            begin_token,
+            nil,
+            source_range(keyword.begin_pos, end_char)
           )
         )
       end
@@ -2768,20 +2782,20 @@ def visit_while(node)
           loop_post?(node) ? :while_post : :while,
           [visit(node.predicate), visit(node.statements)],
           if node.modifier?
-            source_map_keyword(
-              keyword:
-                source_range_find(
-                  node.statements.location.end_char,
-                  node.predicate.location.start_char,
-                  "while"
-                ),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_find_between(
+                node.statements,
+                node.predicate,
+                "while"
+              ),
+              source_range_node(node)
             )
           else
             source_map_keyword(
-              keyword: source_range_length(node.location.start_char, 5),
-              end_token: source_range_length(node.location.end_char, -3),
-              expression: source_range_node(node)
+              source_range_length(node.location.start_char, 5),
+              nil,
+              source_range_length(node.location.end_char, -3),
+              source_range_node(node)
             )
           end
         )
@@ -2828,18 +2842,18 @@ def visit_yield(node)
           s(
             :yield,
             [],
-            source_map_keyword(
-              keyword: source_range_length(node.location.start_char, 5),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_length(node.location.start_char, 5),
+              source_range_node(node)
             )
           )
         when Args
           s(
             :yield,
             visit_all(node.arguments.parts),
-            source_map_keyword(
-              keyword: source_range_length(node.location.start_char, 5),
-              expression: source_range_node(node)
+            source_map_keyword_bare(
+              source_range_length(node.location.start_char, 5),
+              source_range_node(node)
             )
           )
         else
@@ -2847,11 +2861,10 @@ def visit_yield(node)
             :yield,
             visit_all(node.arguments.contents.parts),
             source_map_keyword(
-              keyword: source_range_length(node.location.start_char, 5),
-              begin_token:
-                source_range_length(node.arguments.location.start_char, 1),
-              end_token: source_range_length(node.location.end_char, -1),
-              expression: source_range_node(node)
+              source_range_length(node.location.start_char, 5),
+              source_range_length(node.arguments.location.start_char, 1),
+              source_range_length(node.location.end_char, -1),
+              source_range_node(node)
             )
           )
         end
@@ -2862,9 +2875,9 @@ def visit_zsuper(node)
         s(
           :zsuper,
           [],
-          source_map_keyword(
-            keyword: source_range_length(node.location.start_char, 5),
-            expression: source_range_node(node)
+          source_map_keyword_bare(
+            source_range_length(node.location.start_char, 5),
+            source_range_node(node)
           )
         )
       end
@@ -3029,7 +3042,7 @@ def source_map_condition(
       end
 
       # Constructs a new source map for a constant reference.
-      def source_map_constant(double_colon: nil, name: nil, expression:)
+      def source_map_constant(double_colon, name, expression)
         ::Parser::Source::Map::Constant.new(double_colon, name, expression)
       end
 
@@ -3049,13 +3062,7 @@ def source_map_definition(
       end
 
       # Constructs a new source map for a for loop.
-      def source_map_for(
-        keyword: nil,
-        in_token: nil,
-        begin_token: nil,
-        end_token: nil,
-        expression:
-      )
+      def source_map_for(keyword, in_token, begin_token, end_token, expression)
         ::Parser::Source::Map::For.new(
           keyword,
           in_token,
@@ -3065,18 +3072,22 @@ def source_map_for(
         )
       end
 
+      # Constructs a new source map for a heredoc.
+      def source_map_heredoc(expression, heredoc_body, heredoc_end)
+        ::Parser::Source::Map::Heredoc.new(
+          expression,
+          heredoc_body,
+          heredoc_end
+        )
+      end
+
       # Construct a source map for an index operation.
       def source_map_index(begin_token: nil, end_token: nil, expression:)
         ::Parser::Source::Map::Index.new(begin_token, end_token, expression)
       end
 
       # Constructs a new source map for the use of a keyword.
-      def source_map_keyword(
-        keyword: nil,
-        begin_token: nil,
-        end_token: nil,
-        expression:
-      )
+      def source_map_keyword(keyword, begin_token, end_token, expression)
         ::Parser::Source::Map::Keyword.new(
           keyword,
           begin_token,
@@ -3085,6 +3096,12 @@ def source_map_keyword(
         )
       end
 
+      # Constructs a new source map for the use of a keyword without a begin or
+      # end token.
+      def source_map_keyword_bare(keyword, expression)
+        source_map_keyword(keyword, nil, nil, expression)
+      end
+
       # Constructs a new source map for a method definition.
       def source_map_method_definition(
         keyword: nil,
@@ -3105,7 +3122,7 @@ def source_map_method_definition(
       end
 
       # Constructs a new source map for an operator.
-      def source_map_operator(operator: nil, expression:)
+      def source_map_operator(operator, expression)
         ::Parser::Source::Map::Operator.new(operator, expression)
       end
 
@@ -3142,7 +3159,7 @@ def source_map_send(
       end
 
       # Constructs a new source map for a variable.
-      def source_map_variable(name: nil, expression:)
+      def source_map_variable(name, expression)
         ::Parser::Source::Map::Variable.new(name, expression)
       end
 
@@ -3152,16 +3169,48 @@ def source_range(start_char, end_char)
       end
 
       # Constructs a new source range by finding the given needle in the given
-      # range of the source.
-      def source_range_find(start_char, end_char, needle)
+      # range of the source. If the needle is not found, returns nil.
+      def source_range_search(start_char, end_char, needle)
         index = buffer.source[start_char...end_char].index(needle)
-        unless index
+        return unless index
+
+        offset = start_char + index
+        source_range(offset, offset + needle.length)
+      end
+
+      # Constructs a new source range by searching for the given needle between
+      # the end location of the start node and the start location of the end
+      # node. If the needle is not found, returns nil.
+      def source_range_search_between(start_node, end_node, needle)
+        source_range_search(
+          start_node.location.end_char,
+          end_node.location.start_char,
+          needle
+        )
+      end
+
+      # Constructs a new source range by finding the given needle in the given
+      # range of the source. If it needle is not found, raises an error.
+      def source_range_find(start_char, end_char, needle)
+        source_range = source_range_search(start_char, end_char, needle)
+
+        unless source_range
           slice = buffer.source[start_char...end_char].inspect
           raise "Could not find #{needle.inspect} in #{slice}"
         end
 
-        offset = start_char + index
-        source_range(offset, offset + needle.length)
+        source_range
+      end
+
+      # Constructs a new source range by finding the given needle between the
+      # end location of the start node and the start location of the end node.
+      # If the needle is not found, returns raises an error.
+      def source_range_find_between(start_node, end_node, needle)
+        source_range_find(
+          start_node.location.end_char,
+          end_node.location.start_char,
+          needle
+        )
       end
 
       # Constructs a new source range from the given start offset and length.
diff --git a/tasks/spec.rake b/tasks/spec.rake
new file mode 100644
index 00000000..c361fe8e
--- /dev/null
+++ b/tasks/spec.rake
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+desc "Run mspec tests using YARV emulation"
+task :spec do
+  specs = File.expand_path("../spec/ruby/language/**/*_spec.rb", __dir__)
+
+  Dir[specs].each do |filepath|
+    sh "exe/yarv ./spec/mspec/bin/mspec-tag #{filepath}"
+  end
+end
diff --git a/tasks/whitequark.rake b/tasks/whitequark.rake
new file mode 100644
index 00000000..4f7ee650
--- /dev/null
+++ b/tasks/whitequark.rake
@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+# This file's purpose is to extract the examples from the whitequark/parser
+# gem and generate a test file that we can use to ensure that our parser
+# generates equivalent syntax trees when translating. To do this, it runs the
+# parser's test suite but overrides the `assert_parses` method to collect the
+# examples into a hash. Then, it writes out the hash to a file that we can use
+# to generate our own tests.
+#
+# To run the test suite, it's important to note that we have to mirror both any
+# APIs provided to the test suite (for example the ParseHelper module below).
+# This is obviously relatively brittle, but it's effective for now.
+
+require "ast"
+
+module ParseHelper
+  # This object is going to collect all of the examples from the parser gem into
+  # a hash that we can use to generate our own tests.
+  COLLECTED = Hash.new { |hash, key| hash[key] = [] }
+
+  include AST::Sexp
+  ALL_VERSIONS = %w[3.1 3.2]
+
+  private
+
+  def assert_context(*)
+  end
+
+  def assert_diagnoses(*)
+  end
+
+  def assert_diagnoses_many(*)
+  end
+
+  def refute_diagnoses(*)
+  end
+
+  def with_versions(*)
+  end
+
+  def assert_parses(_ast, code, _source_maps = "", versions = ALL_VERSIONS)
+    # We're going to skip any examples that are for older Ruby versions
+    # that we do not support.
+    return if (versions & %w[3.1 3.2]).empty?
+
+    entry = caller.find { _1.include?("test_parser.rb") }
+    _, lineno, name = *entry.match(/(\d+):in `(.+)'/)
+
+    COLLECTED["#{name}:#{lineno}"] << code
+  end
+end
+
+namespace :extract do
+  desc "Extract the whitequark/parser tests"
+  task :whitequark do
+    directory = File.expand_path("../tmp/parser", __dir__)
+    unless File.directory?(directory)
+      sh "git clone --depth 1 https://github.com/whitequark/parser #{directory}"
+    end
+
+    mkdir_p "#{directory}/extract"
+    touch "#{directory}/extract/helper.rb"
+    touch "#{directory}/extract/parse_helper.rb"
+    touch "#{directory}/extract/extracted.txt"
+    $:.unshift "#{directory}/extract"
+
+    require "parser/current"
+    require "minitest/autorun"
+    require_relative "#{directory}/test/test_parser"
+
+    Minitest.after_run do
+      filepath = File.expand_path("../test/translation/parser.txt", __dir__)
+
+      File.open(filepath, "w") do |file|
+        ParseHelper::COLLECTED.sort.each do |(key, codes)|
+          if codes.length == 1
+            file.puts("!!! #{key}\n#{codes.first}")
+          else
+            codes.each_with_index do |code, index|
+              file.puts("!!! #{key}:#{index}\n#{code}")
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/test/fixtures/next.rb b/test/fixtures/next.rb
index be667951..79a8c62e 100644
--- a/test/fixtures/next.rb
+++ b/test/fixtures/next.rb
@@ -65,3 +65,10 @@
 next([1, 2])
 -
 next 1, 2
+%
+next fun foo do end
+-
+next(
+  fun foo do
+  end
+)
diff --git a/test/node_test.rb b/test/node_test.rb
index 9660b341..19fbeed2 100644
--- a/test/node_test.rb
+++ b/test/node_test.rb
@@ -60,7 +60,7 @@ def test_arg_paren_heredoc
         ARGUMENT
       SOURCE
 
-      at = location(lines: 1..3, chars: 6..28)
+      at = location(lines: 1..3, chars: 6..37)
       assert_node(ArgParen, source, at: at, &:arguments)
     end
 
@@ -533,7 +533,7 @@ def test_heredoc
         HEREDOC
       SOURCE
 
-      at = location(lines: 1..3, chars: 0..22)
+      at = location(lines: 1..3, chars: 0..30)
       assert_node(Heredoc, source, at: at)
     end
 
@@ -544,7 +544,7 @@ def test_heredoc_beg
         HEREDOC
       SOURCE
 
-      at = location(chars: 0..11)
+      at = location(chars: 0..10)
       assert_node(HeredocBeg, source, at: at, &:beginning)
     end
 
@@ -555,7 +555,7 @@ def test_heredoc_end
         HEREDOC
       SOURCE
 
-      at = location(lines: 3..3, chars: 22..31, columns: 0..9)
+      at = location(lines: 3..3, chars: 22..30, columns: 0..8)
       assert_node(HeredocEnd, source, at: at, &:ending)
     end
 
@@ -950,7 +950,7 @@ def test_var_field
     guard_version("3.1.0") do
       def test_pinned_var_ref
         source = "foo in ^bar"
-        at = location(chars: 8..11)
+        at = location(chars: 7..11)
 
         assert_node(PinnedVarRef, source, at: at, &:pattern)
       end
@@ -1008,7 +1008,7 @@ def test_xstring_heredoc
         HEREDOC
       SOURCE
 
-      at = location(lines: 1..3, chars: 0..18)
+      at = location(lines: 1..3, chars: 0..26)
       assert_node(Heredoc, source, at: at)
     end
 
diff --git a/test/ruby-syntax-fixtures b/test/ruby-syntax-fixtures
deleted file mode 160000
index 5b333f5a..00000000
--- a/test/ruby-syntax-fixtures
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5b333f5a34d6fb08f88acc93b69c7d19b3fee8e7
diff --git a/test/ruby_syntax_fixtures_test.rb b/test/ruby_syntax_fixtures_test.rb
deleted file mode 100644
index c5c13b27..00000000
--- a/test/ruby_syntax_fixtures_test.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-# The ruby-syntax-fixtures repository tests against the current Ruby syntax, so
-# we don't execute this test unless we're running 3.2 or above.
-return unless RUBY_VERSION >= "3.2"
-
-require_relative "test_helper"
-
-module SyntaxTree
-  class RubySyntaxFixturesTest < Minitest::Test
-    Dir[
-      File.expand_path("ruby-syntax-fixtures/**/*.rb", __dir__)
-    ].each do |file|
-      define_method "test_ruby_syntax_fixtures_#{file}" do
-        refute_nil(SyntaxTree.parse(SyntaxTree.read(file)))
-      end
-    end
-  end
-end
diff --git a/test/suites/helper.rb b/test/suites/helper.rb
deleted file mode 100644
index b0f8c427..00000000
--- a/test/suites/helper.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-# frozen_string_literal: true
-
-require "parser/current"
diff --git a/test/suites/parse_helper.rb b/test/suites/parse_helper.rb
deleted file mode 100644
index 04fe8123..00000000
--- a/test/suites/parse_helper.rb
+++ /dev/null
@@ -1,175 +0,0 @@
-# frozen_string_literal: true
-
-module ParseHelper
-  include AST::Sexp
-
-  CURRENT_VERSION = RUBY_VERSION.split(".")[0..1].join(".").freeze
-  ALL_VERSIONS = %w[1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 3.0 3.1 3.2 mac ios]
-
-  known_failures = [
-    # I think this may be a bug in the parser gem's precedence calculation.
-    # Unary plus appears to be parsed as part of the number literal in CRuby,
-    # but parser is parsing it as a separate operator.
-    "test_unary_num_pow_precedence:3505",
-
-    # Not much to be done about this. Basically, regular expressions with named
-    # capture groups that use the =~ operator inject local variables into the
-    # current scope. In the parser gem, it detects this and changes future
-    # references to that name to be a local variable instead of a potential
-    # method call. CRuby does not do this.
-    "test_lvar_injecting_match:3778",
-
-    # This is failing because CRuby is not marking values captured in hash
-    # patterns as local variables, while the parser gem is.
-    "test_pattern_matching_hash:8971",
-
-    # This is not actually allowed in the CRuby parser but the parser gem thinks
-    # it is allowed.
-    "test_pattern_matching_hash_with_string_keys:9016",
-    "test_pattern_matching_hash_with_string_keys:9027",
-    "test_pattern_matching_hash_with_string_keys:9038",
-    "test_pattern_matching_hash_with_string_keys:9060",
-    "test_pattern_matching_hash_with_string_keys:9071",
-    "test_pattern_matching_hash_with_string_keys:9082",
-
-    # This happens with pattern matching where you're matching a literal value
-    # inside parentheses, which doesn't really do anything. Ripper doesn't
-    # capture that this value is inside a parentheses, so it's hard to translate
-    # properly.
-    "test_pattern_matching_expr_in_paren:9206",
-
-    # These are also failing because of CRuby not marking values captured in
-    # hash patterns as local variables.
-    "test_pattern_matching_single_line_allowed_omission_of_parentheses:9205",
-    "test_pattern_matching_single_line_allowed_omission_of_parentheses:9581",
-    "test_pattern_matching_single_line_allowed_omission_of_parentheses:9611",
-
-    # I'm not even sure what this is testing, because the code is invalid in
-    # CRuby.
-    "test_control_meta_escape_chars_in_regexp__since_31:*",
-  ]
-
-  # These are failures that we need to take care of (or determine the reason
-  # that we're not going to handle them).
-  todo_failures = [
-    "test_dedenting_heredoc:334",
-    "test_dedenting_heredoc:390",
-    "test_dedenting_heredoc:399",
-    "test_slash_newline_in_heredocs:7194",
-    "test_parser_slash_slash_n_escaping_in_literals:*",
-    "test_cond_match_current_line:4801",
-    "test_forwarded_restarg:*",
-    "test_forwarded_kwrestarg:*",
-    "test_forwarded_argument_with_restarg:*",
-    "test_forwarded_argument_with_kwrestarg:*"
-  ]
-
-  if CURRENT_VERSION <= "2.7"
-    # I'm not sure why this is failing on 2.7.0, but we'll turn it off for now
-    # until we have more time to investigate.
-    todo_failures.push("test_pattern_matching_hash:*")
-  end
-
-  if CURRENT_VERSION <= "3.0"
-    # In < 3.0, there are some changes to the way the parser gem handles
-    # forwarded args. We should eventually support this, but for now we're going
-    # to mark them as todo.
-    todo_failures.push(
-      "test_forward_arg:*",
-      "test_forward_args_legacy:*",
-      "test_endless_method_forwarded_args_legacy:*",
-      "test_trailing_forward_arg:*"
-    )
-  end
-
-  if CURRENT_VERSION == "3.1"
-    # This test actually fails on 3.1.0, even though it's marked as being since
-    # 3.1. So we're going to skip this test on 3.1, but leave it in for other
-    # versions.
-    known_failures.push(
-      "test_multiple_pattern_matches:11086",
-      "test_multiple_pattern_matches:11102"
-    )
-  end
-
-  # This is the list of all failures.
-  FAILURES = (known_failures + todo_failures).freeze
-
-  private
-
-  def assert_context(*)
-  end
-
-  def assert_diagnoses(*)
-  end
-
-  def assert_diagnoses_many(*)
-  end
-
-  def refute_diagnoses(*)
-  end
-
-  def with_versions(*)
-  end
-
-  def assert_parses(_ast, code, _source_maps = "", versions = ALL_VERSIONS)
-    # We're going to skip any examples that aren't for the current version of
-    # Ruby.
-    return unless versions.include?(CURRENT_VERSION)
-
-    # We're going to skip any examples that are for older Ruby versions that we
-    # do not support.
-    return if (versions & %w[3.1 3.2]).empty?
-
-    caller(1, 3).each do |line|
-      _, lineno, name = *line.match(/(\d+):in `(.+)'/)
-
-      # Return directly and don't do anything if it's a known failure.
-      return if FAILURES.include?("#{name}:#{lineno}")
-      return if FAILURES.include?("#{name}:*")
-    end
-
-    expected = parse(code)
-    return if expected.nil?
-
-    buffer = expected.location.expression.source_buffer
-    actual = SyntaxTree::Translation.to_parser(SyntaxTree.parse(code), buffer)
-    assert_equal(expected, actual)
-  end
-
-  def parse(code)
-    parser = Parser::CurrentRuby.default_parser
-    parser.diagnostics.consumer = ->(*) {}
-
-    buffer = Parser::Source::Buffer.new("(string)", 1)
-    buffer.source = code
-
-    parser.parse(buffer)
-  rescue Parser::SyntaxError
-  end
-end
-
-if ENV["PARSER_LOCATION"]
-  # Modify the source map == check so that it doesn't check against the node
-  # itself so we don't get into a recursive loop.
-  Parser::Source::Map.prepend(
-    Module.new do
-      def ==(other)
-        self.class == other.class &&
-          (instance_variables - %i[@node]).map do |ivar|
-            instance_variable_get(ivar) == other.instance_variable_get(ivar)
-          end.reduce(:&)
-      end
-    end
-  )
-
-  # Next, ensure that we're comparing the nodes and also comparing the source
-  # ranges so that we're getting all of the necessary information.
-  Parser::AST::Node.prepend(
-    Module.new do
-      def ==(other)
-        super && (location == other.location)
-      end
-    end
-  )
-end
diff --git a/test/suites/parser b/test/suites/parser
deleted file mode 160000
index 8de8b7fa..00000000
--- a/test/suites/parser
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8de8b7fa7af471a2159860d6a0a5b615eac9c83c
diff --git a/test/translation/parser.txt b/test/translation/parser.txt
new file mode 100644
index 00000000..5e9e8d31
--- /dev/null
+++ b/test/translation/parser.txt
@@ -0,0 +1,1824 @@
+!!! assert_parses_args:2249:0
+def f (foo: 1, bar: 2, **baz, &b); end
+!!! assert_parses_args:2249:1
+def f (foo: 1, &b); end
+!!! assert_parses_args:2249:2
+def f **baz, &b; end
+!!! assert_parses_args:2249:3
+def f *, **; end
+!!! assert_parses_args:2249:4
+def f a, o=1, *r, &b; end
+!!! assert_parses_args:2249:5
+def f a, o=1, *r, p, &b; end
+!!! assert_parses_args:2249:6
+def f a, o=1, &b; end
+!!! assert_parses_args:2249:7
+def f a, o=1, p, &b; end
+!!! assert_parses_args:2249:8
+def f a, *r, &b; end
+!!! assert_parses_args:2249:9
+def f a, *r, p, &b; end
+!!! assert_parses_args:2249:10
+def f a, &b; end
+!!! assert_parses_args:2249:11
+def f o=1, *r, &b; end
+!!! assert_parses_args:2249:12
+def f o=1, *r, p, &b; end
+!!! assert_parses_args:2249:13
+def f o=1, &b; end
+!!! assert_parses_args:2249:14
+def f o=1, p, &b; end
+!!! assert_parses_args:2249:15
+def f *r, &b; end
+!!! assert_parses_args:2249:16
+def f *r, p, &b; end
+!!! assert_parses_args:2249:17
+def f &b; end
+!!! assert_parses_args:2249:18
+def f ; end
+!!! assert_parses_args:2249:19
+def f (((a))); end
+!!! assert_parses_args:2249:20
+def f ((a, a1)); end
+!!! assert_parses_args:2249:21
+def f ((a, *r)); end
+!!! assert_parses_args:2249:22
+def f ((a, *r, p)); end
+!!! assert_parses_args:2249:23
+def f ((a, *)); end
+!!! assert_parses_args:2249:24
+def f ((a, *, p)); end
+!!! assert_parses_args:2249:25
+def f ((*r)); end
+!!! assert_parses_args:2249:26
+def f ((*r, p)); end
+!!! assert_parses_args:2249:27
+def f ((*)); end
+!!! assert_parses_args:2249:28
+def f ((*, p)); end
+!!! assert_parses_args:2249:29
+def f foo:
+; end
+!!! assert_parses_args:2249:30
+def f foo: -1
+; end
+!!! assert_parses_blockargs:2506:0
+f{ |a| }
+!!! assert_parses_blockargs:2506:1
+f{ |a, b,| }
+!!! assert_parses_blockargs:2506:2
+f{ |a| }
+!!! assert_parses_blockargs:2506:3
+f{ |foo:| }
+!!! assert_parses_blockargs:2506:4
+f{  }
+!!! assert_parses_blockargs:2506:5
+f{ | | }
+!!! assert_parses_blockargs:2506:6
+f{ |;a| }
+!!! assert_parses_blockargs:2506:7
+f{ |;
+a
+| }
+!!! assert_parses_blockargs:2506:8
+f{ || }
+!!! assert_parses_blockargs:2506:9
+f{ |a| }
+!!! assert_parses_blockargs:2506:10
+f{ |a, c| }
+!!! assert_parses_blockargs:2506:11
+f{ |a,| }
+!!! assert_parses_blockargs:2506:12
+f{ |a, &b| }
+!!! assert_parses_blockargs:2506:13
+f{ |a, *s, &b| }
+!!! assert_parses_blockargs:2506:14
+f{ |a, *, &b| }
+!!! assert_parses_blockargs:2506:15
+f{ |a, *s| }
+!!! assert_parses_blockargs:2506:16
+f{ |a, *| }
+!!! assert_parses_blockargs:2506:17
+f{ |*s, &b| }
+!!! assert_parses_blockargs:2506:18
+f{ |*, &b| }
+!!! assert_parses_blockargs:2506:19
+f{ |*s| }
+!!! assert_parses_blockargs:2506:20
+f{ |*| }
+!!! assert_parses_blockargs:2506:21
+f{ |&b| }
+!!! assert_parses_blockargs:2506:22
+f{ |a, o=1, o1=2, *r, &b| }
+!!! assert_parses_blockargs:2506:23
+f{ |a, o=1, *r, p, &b| }
+!!! assert_parses_blockargs:2506:24
+f{ |a, o=1, &b| }
+!!! assert_parses_blockargs:2506:25
+f{ |a, o=1, p, &b| }
+!!! assert_parses_blockargs:2506:26
+f{ |a, *r, p, &b| }
+!!! assert_parses_blockargs:2506:27
+f{ |o=1, *r, &b| }
+!!! assert_parses_blockargs:2506:28
+f{ |o=1, *r, p, &b| }
+!!! assert_parses_blockargs:2506:29
+f{ |o=1, &b| }
+!!! assert_parses_blockargs:2506:30
+f{ |o=1, p, &b| }
+!!! assert_parses_blockargs:2506:31
+f{ |*r, p, &b| }
+!!! assert_parses_blockargs:2506:32
+f{ |foo: 1, bar: 2, **baz, &b| }
+!!! assert_parses_blockargs:2506:33
+f{ |foo: 1, &b| }
+!!! assert_parses_blockargs:2506:34
+f{ |**baz, &b| }
+!!! assert_parses_pattern_match:8503:0
+case foo; in self then true; end
+!!! assert_parses_pattern_match:8503:1
+case foo; in 1..2 then true; end
+!!! assert_parses_pattern_match:8503:2
+case foo; in 1.. then true; end
+!!! assert_parses_pattern_match:8503:3
+case foo; in ..2 then true; end
+!!! assert_parses_pattern_match:8503:4
+case foo; in 1...2 then true; end
+!!! assert_parses_pattern_match:8503:5
+case foo; in 1... then true; end
+!!! assert_parses_pattern_match:8503:6
+case foo; in ...2 then true; end
+!!! assert_parses_pattern_match:8503:7
+case foo; in [*x, 1 => a, *y] then true; end
+!!! assert_parses_pattern_match:8503:8
+case foo; in String(*, 1, *) then true; end
+!!! assert_parses_pattern_match:8503:9
+case foo; in Array[*, 1, *] then true; end
+!!! assert_parses_pattern_match:8503:10
+case foo; in *, 42, * then true; end
+!!! assert_parses_pattern_match:8503:11
+case foo; in x, then nil; end
+!!! assert_parses_pattern_match:8503:12
+case foo; in *x then nil; end
+!!! assert_parses_pattern_match:8503:13
+case foo; in * then nil; end
+!!! assert_parses_pattern_match:8503:14
+case foo; in x, y then nil; end
+!!! assert_parses_pattern_match:8503:15
+case foo; in x, y, then nil; end
+!!! assert_parses_pattern_match:8503:16
+case foo; in x, *y, z then nil; end
+!!! assert_parses_pattern_match:8503:17
+case foo; in *x, y, z then nil; end
+!!! assert_parses_pattern_match:8503:18
+case foo; in 1, "a", [], {} then nil; end
+!!! assert_parses_pattern_match:8503:19
+case foo; in ->{ 42 } then true; end
+!!! assert_parses_pattern_match:8503:20
+case foo; in A(1, 2) then true; end
+!!! assert_parses_pattern_match:8503:21
+case foo; in A(x:) then true; end
+!!! assert_parses_pattern_match:8503:22
+case foo; in A() then true; end
+!!! assert_parses_pattern_match:8503:23
+case foo; in A[1, 2] then true; end
+!!! assert_parses_pattern_match:8503:24
+case foo; in A[x:] then true; end
+!!! assert_parses_pattern_match:8503:25
+case foo; in A[] then true; end
+!!! assert_parses_pattern_match:8503:26
+case foo; in x then x; end
+!!! assert_parses_pattern_match:8503:27
+case foo; in {} then true; end
+!!! assert_parses_pattern_match:8503:28
+case foo; in a: 1 then true; end
+!!! assert_parses_pattern_match:8503:29
+case foo; in { a: 1 } then true; end
+!!! assert_parses_pattern_match:8503:30
+case foo; in { a: 1, } then true; end
+!!! assert_parses_pattern_match:8503:31
+case foo; in a: then true; end
+!!! assert_parses_pattern_match:8503:32
+case foo; in **a then true; end
+!!! assert_parses_pattern_match:8503:33
+case foo; in ** then true; end
+!!! assert_parses_pattern_match:8503:34
+case foo; in a: 1, b: 2 then true; end
+!!! assert_parses_pattern_match:8503:35
+case foo; in a:, b: then true; end
+!!! assert_parses_pattern_match:8503:36
+case foo; in a: 1, _a:, ** then true; end
+!!! assert_parses_pattern_match:8503:37
+case foo; 
+        in {a: 1
+        }
+          false
+      ; end
+!!! assert_parses_pattern_match:8503:38
+case foo; 
+        in {a:
+              2}
+          false
+      ; end
+!!! assert_parses_pattern_match:8503:39
+case foo; 
+        in {Foo: 42
+        }
+          false
+      ; end
+!!! assert_parses_pattern_match:8503:40
+case foo; 
+        in a: {b:}, c:
+          p c
+      ; end
+!!! assert_parses_pattern_match:8503:41
+case foo; 
+        in {a:
+        }
+          true
+      ; end
+!!! assert_parses_pattern_match:8503:42
+case foo; in A then true; end
+!!! assert_parses_pattern_match:8503:43
+case foo; in A::B then true; end
+!!! assert_parses_pattern_match:8503:44
+case foo; in ::A then true; end
+!!! assert_parses_pattern_match:8503:45
+case foo; in [x] then nil; end
+!!! assert_parses_pattern_match:8503:46
+case foo; in [x,] then nil; end
+!!! assert_parses_pattern_match:8503:47
+case foo; in [x, y] then true; end
+!!! assert_parses_pattern_match:8503:48
+case foo; in [x, y,] then true; end
+!!! assert_parses_pattern_match:8503:49
+case foo; in [x, y, *] then true; end
+!!! assert_parses_pattern_match:8503:50
+case foo; in [x, y, *z] then true; end
+!!! assert_parses_pattern_match:8503:51
+case foo; in [x, *y, z] then true; end
+!!! assert_parses_pattern_match:8503:52
+case foo; in [x, *, y] then true; end
+!!! assert_parses_pattern_match:8503:53
+case foo; in [*x, y] then true; end
+!!! assert_parses_pattern_match:8503:54
+case foo; in [*, x] then true; end
+!!! assert_parses_pattern_match:8503:55
+case foo; in (1) then true; end
+!!! assert_parses_pattern_match:8503:56
+case foo; in x if true; nil; end
+!!! assert_parses_pattern_match:8503:57
+case foo; in x unless true; nil; end
+!!! assert_parses_pattern_match:8503:58
+case foo; in 1; end
+!!! assert_parses_pattern_match:8503:59
+case foo; in ^foo then nil; end
+!!! assert_parses_pattern_match:8503:60
+case foo; in "a": then true; end
+!!! assert_parses_pattern_match:8503:61
+case foo; in "#{ 'a' }": then true; end
+!!! assert_parses_pattern_match:8503:62
+case foo; in "#{ %q{a} }": then true; end
+!!! assert_parses_pattern_match:8503:63
+case foo; in "#{ %Q{a} }": then true; end
+!!! assert_parses_pattern_match:8503:64
+case foo; in "a": 1 then true; end
+!!! assert_parses_pattern_match:8503:65
+case foo; in "#{ 'a' }": 1 then true; end
+!!! assert_parses_pattern_match:8503:66
+case foo; in "#{ %q{a} }": 1 then true; end
+!!! assert_parses_pattern_match:8503:67
+case foo; in "#{ %Q{a} }": 1 then true; end
+!!! assert_parses_pattern_match:8503:68
+case foo; in ^(42) then nil; end
+!!! assert_parses_pattern_match:8503:69
+case foo; in { foo: ^(42) } then nil; end
+!!! assert_parses_pattern_match:8503:70
+case foo; in ^(0+0) then nil; end
+!!! assert_parses_pattern_match:8503:71
+case foo; in ^@a; end
+!!! assert_parses_pattern_match:8503:72
+case foo; in ^@@TestPatternMatching; end
+!!! assert_parses_pattern_match:8503:73
+case foo; in ^$TestPatternMatching; end
+!!! assert_parses_pattern_match:8503:74
+case foo; in ^(1
+); end
+!!! assert_parses_pattern_match:8503:75
+case foo; in 1 | 2 then true; end
+!!! assert_parses_pattern_match:8503:76
+case foo; in 1 => a then true; end
+!!! assert_parses_pattern_match:8503:77
+case foo; in **nil then true; end
+!!! block in test_endless_comparison_method:10392:0
+def ===(other) = do_something
+!!! block in test_endless_comparison_method:10392:1
+def ==(other) = do_something
+!!! block in test_endless_comparison_method:10392:2
+def !=(other) = do_something
+!!! block in test_endless_comparison_method:10392:3
+def <=(other) = do_something
+!!! block in test_endless_comparison_method:10392:4
+def >=(other) = do_something
+!!! block in test_endless_comparison_method:10392:5
+def !=(other) = do_something
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:0
+'a\
+b'
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:1
+<<-'HERE'
+a\
+b
+HERE
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:2
+%q{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:3
+"a\
+b"
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:4
+<<-"HERE"
+a\
+b
+HERE
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:5
+%{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:6
+%Q{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:7
+%w{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:8
+%W{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:9
+%i{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:10
+%I{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:11
+:'a\
+b'
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:12
+%s{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:13
+:"a\
+b"
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:14
+/a\
+b/
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:15
+%r{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:16
+%x{a\
+b}
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:17
+`a\
+b`
+!!! block in test_parser_slash_slash_n_escaping_in_literals:7327:18
+<<-`HERE`
+a\
+b
+HERE
+!!! block in test_ruby_bug_11873_a:6017:0
+a b{c d}, :e do end
+!!! block in test_ruby_bug_11873_a:6017:1
+a b{c d}, 1 do end
+!!! block in test_ruby_bug_11873_a:6017:2
+a b{c d}, 1.0 do end
+!!! block in test_ruby_bug_11873_a:6017:3
+a b{c d}, 1.0r do end
+!!! block in test_ruby_bug_11873_a:6017:4
+a b{c d}, 1.0i do end
+!!! block in test_ruby_bug_11873_a:6022:0
+a b{c(d)}, :e do end
+!!! block in test_ruby_bug_11873_a:6022:1
+a b{c(d)}, 1 do end
+!!! block in test_ruby_bug_11873_a:6022:2
+a b{c(d)}, 1.0 do end
+!!! block in test_ruby_bug_11873_a:6022:3
+a b{c(d)}, 1.0r do end
+!!! block in test_ruby_bug_11873_a:6022:4
+a b{c(d)}, 1.0i do end
+!!! block in test_ruby_bug_11873_a:6036:0
+a b(c d), :e do end
+!!! block in test_ruby_bug_11873_a:6036:1
+a b(c d), 1 do end
+!!! block in test_ruby_bug_11873_a:6036:2
+a b(c d), 1.0 do end
+!!! block in test_ruby_bug_11873_a:6036:3
+a b(c d), 1.0r do end
+!!! block in test_ruby_bug_11873_a:6036:4
+a b(c d), 1.0i do end
+!!! block in test_ruby_bug_11873_a:6041:0
+a b(c(d)), :e do end
+!!! block in test_ruby_bug_11873_a:6041:1
+a b(c(d)), 1 do end
+!!! block in test_ruby_bug_11873_a:6041:2
+a b(c(d)), 1.0 do end
+!!! block in test_ruby_bug_11873_a:6041:3
+a b(c(d)), 1.0r do end
+!!! block in test_ruby_bug_11873_a:6041:4
+a b(c(d)), 1.0i do end
+!!! test___ENCODING__:1037
+__ENCODING__
+!!! test___ENCODING___legacy_:1046
+__ENCODING__
+!!! test_alias:2020
+alias :foo bar
+!!! test_alias_gvar:2032
+alias $a $b
+!!! test_alias_gvar:2037
+alias $a $+
+!!! test_ambiuous_quoted_label_in_ternary_operator:7204
+a ? b & '': nil
+!!! test_and:4447
+foo and bar
+!!! test_and:4453
+foo && bar
+!!! test_and_asgn:1748
+foo.a &&= 1
+!!! test_and_asgn:1758
+foo[0, 1] &&= 2
+!!! test_and_or_masgn:4475
+foo && (a, b = bar)
+!!! test_and_or_masgn:4484
+foo || (a, b = bar)
+!!! test_anonymous_blockarg:10861
+def foo(&); bar(&); end
+!!! test_arg:2055
+def f(foo); end
+!!! test_arg:2066
+def f(foo, bar); end
+!!! test_arg_duplicate_ignored:2958
+def foo(_, _); end
+!!! test_arg_duplicate_ignored:2972
+def foo(_a, _a); end
+!!! test_arg_label:3012
+def foo() a:b end
+!!! test_arg_label:3019
+def foo
+ a:b end
+!!! test_arg_label:3026
+f { || a:b }
+!!! test_arg_scope:2238
+lambda{|;a|a}
+!!! test_args_args_assocs:4077
+fun(foo, :foo => 1)
+!!! test_args_args_assocs:4083
+fun(foo, :foo => 1, &baz)
+!!! test_args_args_assocs_comma:4092
+foo[bar, :baz => 1,]
+!!! test_args_args_comma:3941
+foo[bar,]
+!!! test_args_args_star:3908
+fun(foo, *bar)
+!!! test_args_args_star:3913
+fun(foo, *bar, &baz)
+!!! test_args_assocs:4001
+fun(:foo => 1)
+!!! test_args_assocs:4006
+fun(:foo => 1, &baz)
+!!! test_args_assocs:4012
+self[:bar => 1]
+!!! test_args_assocs:4021
+self.[]= foo, :a => 1
+!!! test_args_assocs:4031
+yield(:foo => 42)
+!!! test_args_assocs:4039
+super(:foo => 42)
+!!! test_args_assocs_comma:4068
+foo[:baz => 1,]
+!!! test_args_assocs_legacy:3951
+fun(:foo => 1)
+!!! test_args_assocs_legacy:3956
+fun(:foo => 1, &baz)
+!!! test_args_assocs_legacy:3962
+self[:bar => 1]
+!!! test_args_assocs_legacy:3971
+self.[]= foo, :a => 1
+!!! test_args_assocs_legacy:3981
+yield(:foo => 42)
+!!! test_args_assocs_legacy:3989
+super(:foo => 42)
+!!! test_args_block_pass:3934
+fun(&bar)
+!!! test_args_cmd:3901
+fun(f bar)
+!!! test_args_star:3921
+fun(*bar)
+!!! test_args_star:3926
+fun(*bar, &baz)
+!!! test_array_assocs:629
+[ 1 => 2 ]
+!!! test_array_assocs:637
+[ 1, 2 => 3 ]
+!!! test_array_plain:589
+[1, 2]
+!!! test_array_splat:598
+[1, *foo, 2]
+!!! test_array_splat:611
+[1, *foo]
+!!! test_array_splat:622
+[*foo]
+!!! test_array_symbols:695
+%i[foo bar]
+!!! test_array_symbols_empty:732
+%i[]
+!!! test_array_symbols_empty:740
+%I()
+!!! test_array_symbols_interp:706
+%I[foo #{bar}]
+!!! test_array_symbols_interp:721
+%I[foo#{bar}]
+!!! test_array_words:647
+%w[foo bar]
+!!! test_array_words_empty:682
+%w[]
+!!! test_array_words_empty:689
+%W()
+!!! test_array_words_interp:657
+%W[foo #{bar}]
+!!! test_array_words_interp:671
+%W[foo #{bar}foo#@baz]
+!!! test_asgn_cmd:1126
+foo = m foo
+!!! test_asgn_cmd:1130
+foo = bar = m foo
+!!! test_asgn_mrhs:1449
+foo = bar, 1
+!!! test_asgn_mrhs:1456
+foo = *bar
+!!! test_asgn_mrhs:1461
+foo = baz, *bar
+!!! test_back_ref:995
+$+
+!!! test_bang:3434
+!foo
+!!! test_bang_cmd:3448
+!m foo
+!!! test_begin_cmdarg:5526
+p begin 1.times do 1 end end
+!!! test_beginless_erange_after_newline:935
+foo
+...100
+!!! test_beginless_irange_after_newline:923
+foo
+..100
+!!! test_beginless_range:903
+..100
+!!! test_beginless_range:912
+...100
+!!! test_blockarg:2187
+def f(&block); end
+!!! test_break:5037
+break(foo)
+!!! test_break:5051
+break foo
+!!! test_break:5057
+break()
+!!! test_break:5064
+break
+!!! test_break_block:5072
+break fun foo do end
+!!! test_bug_435:7067
+"#{-> foo {}}"
+!!! test_bug_447:7046
+m [] do end
+!!! test_bug_447:7055
+m [], 1 do end
+!!! test_bug_452:7080
+td (1_500).toString(); td.num do; end
+!!! test_bug_466:7096
+foo "#{(1+1).to_i}" do; end
+!!! test_bug_473:7113
+m "#{[]}"
+!!! test_bug_480:7124
+m "#{}#{()}"
+!!! test_bug_481:7136
+m def x(); end; 1.tap do end
+!!! test_bug_ascii_8bit_in_literal:5880
+# coding:utf-8
+         "\xD0\xBF\xD1\x80\xD0\xBE\xD0\xB2\xD0\xB5\xD1\x80\xD0\xBA\xD0\xB0"
+!!! test_bug_cmd_string_lookahead:5752
+desc "foo" do end
+!!! test_bug_cmdarg:5549
+assert dogs
+!!! test_bug_cmdarg:5554
+assert do: true
+!!! test_bug_cmdarg:5562
+f x: -> do meth do end end
+!!! test_bug_def_no_paren_eql_begin:5799
+def foo
+=begin
+=end
+end
+!!! test_bug_do_block_in_call_args:5762
+bar def foo; self.each do end end
+!!! test_bug_do_block_in_cmdarg:5777
+tap (proc do end)
+!!! test_bug_do_block_in_hash_brace:6569
+p :foo, {a: proc do end, b: proc do end}
+!!! test_bug_do_block_in_hash_brace:6587
+p :foo, {:a => proc do end, b: proc do end}
+!!! test_bug_do_block_in_hash_brace:6605
+p :foo, {"a": proc do end, b: proc do end}
+!!! test_bug_do_block_in_hash_brace:6623
+p :foo, {proc do end => proc do end, b: proc do end}
+!!! test_bug_do_block_in_hash_brace:6643
+p :foo, {** proc do end, b: proc do end}
+!!! test_bug_heredoc_do:5835
+f <<-TABLE do
+TABLE
+end
+!!! test_bug_interp_single:5789
+"#{1}"
+!!! test_bug_interp_single:5793
+%W"#{1}"
+!!! test_bug_lambda_leakage:6550
+->(scope) {}; scope
+!!! test_bug_regex_verification:6563
+/#)/x
+!!! test_bug_rescue_empty_else:5813
+begin; rescue LoadError; else; end
+!!! test_bug_while_not_parens_do:5805
+while not (true) do end
+!!! test_case_cond:4844
+case; when foo; 'foo'; end
+!!! test_case_cond_else:4857
+case; when foo; 'foo'; else 'bar'; end
+!!! test_case_expr:4816
+case foo; when 'bar'; bar; end
+!!! test_case_expr_else:4830
+case foo; when 'bar'; bar; else baz; end
+!!! test_casgn_scoped:1192
+Bar::Foo = 10
+!!! test_casgn_toplevel:1181
+::Foo = 10
+!!! test_casgn_unscoped:1203
+Foo = 10
+!!! test_character:248
+?a
+!!! test_class:1827
+class Foo; end
+!!! test_class:1837
+class Foo end
+!!! test_class_definition_in_while_cond:6870
+while class Foo; tap do end; end; break; end
+!!! test_class_definition_in_while_cond:6882
+while class Foo a = tap do end; end; break; end
+!!! test_class_definition_in_while_cond:6895
+while class << self; tap do end; end; break; end
+!!! test_class_definition_in_while_cond:6907
+while class << self; a = tap do end; end; break; end
+!!! test_class_super:1848
+class Foo < Bar; end
+!!! test_class_super_label:1860
+class Foo < a:b; end
+!!! test_comments_before_leading_dot__27:7750
+a #
+#
+.foo
+!!! test_comments_before_leading_dot__27:7757
+a #
+  #
+.foo
+!!! test_comments_before_leading_dot__27:7764
+a #
+#
+&.foo
+!!! test_comments_before_leading_dot__27:7771
+a #
+  #
+&.foo
+!!! test_complex:156
+42i
+!!! test_complex:162
+42ri
+!!! test_complex:168
+42.1i
+!!! test_complex:174
+42.1ri
+!!! test_cond_begin:4686
+if (bar); foo; end
+!!! test_cond_begin_masgn:4695
+if (bar; a, b = foo); end
+!!! test_cond_eflipflop:4758
+if foo...bar; end
+!!! test_cond_eflipflop:4772
+!(foo...bar)
+!!! test_cond_iflipflop:4735
+if foo..bar; end
+!!! test_cond_iflipflop:4749
+!(foo..bar)
+!!! test_cond_match_current_line:4781
+if /wat/; end
+!!! test_cond_match_current_line:4801
+!/wat/
+!!! test_const_op_asgn:1536
+A += 1
+!!! test_const_op_asgn:1542
+::A += 1
+!!! test_const_op_asgn:1550
+B::A += 1
+!!! test_const_op_asgn:1558
+def x; self::A ||= 1; end
+!!! test_const_op_asgn:1567
+def x; ::A ||= 1; end
+!!! test_const_scoped:1020
+Bar::Foo
+!!! test_const_toplevel:1011
+::Foo
+!!! test_const_unscoped:1029
+Foo
+!!! test_control_meta_escape_chars_in_regexp__since_31:10686
+/\c\xFF/
+!!! test_control_meta_escape_chars_in_regexp__since_31:10692
+/\c\M-\xFF/
+!!! test_control_meta_escape_chars_in_regexp__since_31:10698
+/\C-\xFF/
+!!! test_control_meta_escape_chars_in_regexp__since_31:10704
+/\C-\M-\xFF/
+!!! test_control_meta_escape_chars_in_regexp__since_31:10710
+/\M-\xFF/
+!!! test_control_meta_escape_chars_in_regexp__since_31:10716
+/\M-\C-\xFF/
+!!! test_control_meta_escape_chars_in_regexp__since_31:10722
+/\M-\c\xFF/
+!!! test_cpath:1807
+module ::Foo; end
+!!! test_cpath:1813
+module Bar::Foo; end
+!!! test_cvar:973
+@@foo
+!!! test_cvasgn:1106
+@@var = 10
+!!! test_dedenting_heredoc:297
+p <<~E
+E
+!!! test_dedenting_heredoc:304
+p <<~E
+  E
+!!! test_dedenting_heredoc:311
+p <<~E
+  x
+E
+!!! test_dedenting_heredoc:318
+p <<~E
+  ð
+E
+!!! test_dedenting_heredoc:325
+p <<~E
+  x
+    y
+E
+!!! test_dedenting_heredoc:334
+p <<~E
+	x
+    y
+E
+!!! test_dedenting_heredoc:343
+p <<~E
+	x
+        y
+E
+!!! test_dedenting_heredoc:352
+p <<~E
+    	x
+        y
+E
+!!! test_dedenting_heredoc:361
+p <<~E
+        	x
+	y
+E
+!!! test_dedenting_heredoc:370
+p <<~E
+  x
+
+y
+E
+!!! test_dedenting_heredoc:380
+p <<~E
+  x
+    
+  y
+E
+!!! test_dedenting_heredoc:390
+p <<~E
+    x
+  \  y
+E
+!!! test_dedenting_heredoc:399
+p <<~E
+    x
+  \	y
+E
+!!! test_dedenting_heredoc:408
+p <<~"E"
+    x
+  #{foo}
+E
+!!! test_dedenting_heredoc:419
+p <<~`E`
+    x
+  #{foo}
+E
+!!! test_dedenting_heredoc:430
+p <<~"E"
+    x
+  #{"  y"}
+E
+!!! test_dedenting_interpolating_heredoc_fake_line_continuation:459
+<<~'FOO'
+  baz\\
+  qux
+FOO
+!!! test_dedenting_non_interpolating_heredoc_line_continuation:451
+<<~'FOO'
+  baz\
+  qux
+FOO
+!!! test_def:1899
+def foo; end
+!!! test_def:1907
+def String; end
+!!! test_def:1911
+def String=; end
+!!! test_def:1915
+def until; end
+!!! test_def:1919
+def BEGIN; end
+!!! test_def:1923
+def END; end
+!!! test_defined:1058
+defined? foo
+!!! test_defined:1064
+defined?(foo)
+!!! test_defined:1072
+defined? @foo
+!!! test_defs:1929
+def self.foo; end
+!!! test_defs:1937
+def self::foo; end
+!!! test_defs:1945
+def (foo).foo; end
+!!! test_defs:1949
+def String.foo; end
+!!! test_defs:1954
+def String::foo; end
+!!! test_empty_stmt:60
+!!! test_endless_method:9786
+def foo() = 42
+!!! test_endless_method:9798
+def inc(x) = x + 1
+!!! test_endless_method:9811
+def obj.foo() = 42
+!!! test_endless_method:9823
+def obj.inc(x) = x + 1
+!!! test_endless_method_command_syntax:9880
+def foo = puts "Hello"
+!!! test_endless_method_command_syntax:9892
+def foo() = puts "Hello"
+!!! test_endless_method_command_syntax:9904
+def foo(x) = puts x
+!!! test_endless_method_command_syntax:9917
+def obj.foo = puts "Hello"
+!!! test_endless_method_command_syntax:9931
+def obj.foo() = puts "Hello"
+!!! test_endless_method_command_syntax:9945
+def rescued(x) = raise "to be caught" rescue "instance #{x}"
+!!! test_endless_method_command_syntax:9964
+def self.rescued(x) = raise "to be caught" rescue "class #{x}"
+!!! test_endless_method_command_syntax:9985
+def obj.foo(x) = puts x
+!!! test_endless_method_forwarded_args_legacy:9840
+def foo(...) = bar(...)
+!!! test_endless_method_with_rescue_mod:9855
+def m() = 1 rescue 2
+!!! test_endless_method_with_rescue_mod:9866
+def self.m() = 1 rescue 2
+!!! test_endless_method_without_args:10404
+def foo = 42
+!!! test_endless_method_without_args:10412
+def foo = 42 rescue nil
+!!! test_endless_method_without_args:10423
+def self.foo = 42
+!!! test_endless_method_without_args:10432
+def self.foo = 42 rescue nil
+!!! test_ensure:5261
+begin; meth; ensure; bar; end
+!!! test_ensure_empty:5274
+begin ensure end
+!!! test_false:96
+false
+!!! test_float:129
+1.33
+!!! test_float:134
+-1.33
+!!! test_for:5002
+for a in foo do p a; end
+!!! test_for:5014
+for a in foo; p a; end
+!!! test_for_mlhs:5023
+for a, b in foo; p a, b; end
+!!! test_forward_arg:7899
+def foo(...); bar(...); end
+!!! test_forward_arg_with_open_args:10745
+def foo ...
+end
+!!! test_forward_arg_with_open_args:10752
+def foo a, b = 1, ...
+end
+!!! test_forward_arg_with_open_args:10770
+def foo(a, ...) bar(...) end
+!!! test_forward_arg_with_open_args:10781
+def foo a, ...
+  bar(...)
+end
+!!! test_forward_arg_with_open_args:10792
+def foo b = 1, ...
+  bar(...)
+end
+!!! test_forward_arg_with_open_args:10804
+def foo ...; bar(...); end
+!!! test_forward_arg_with_open_args:10814
+def foo a, ...; bar(...); end
+!!! test_forward_arg_with_open_args:10825
+def foo b = 1, ...; bar(...); end
+!!! test_forward_arg_with_open_args:10837
+(def foo ...
+  bar(...)
+end)
+!!! test_forward_arg_with_open_args:10848
+(def foo ...; bar(...); end)
+!!! test_forward_args_legacy:7863
+def foo(...); bar(...); end
+!!! test_forward_args_legacy:7875
+def foo(...); super(...); end
+!!! test_forward_args_legacy:7887
+def foo(...); end
+!!! test_forwarded_argument_with_kwrestarg:10962
+def foo(argument, **); bar(argument, **); end
+!!! test_forwarded_argument_with_restarg:10923
+def foo(argument, *); bar(argument, *); end
+!!! test_forwarded_kwrestarg:10943
+def foo(**); bar(**); end
+!!! test_forwarded_restarg:10905
+def foo(*); bar(*); end
+!!! test_gvar:980
+$foo
+!!! test_gvasgn:1116
+$var = 10
+!!! test_hash_empty:750
+{ }
+!!! test_hash_hashrocket:759
+{ 1 => 2 }
+!!! test_hash_hashrocket:768
+{ 1 => 2, :foo => "bar" }
+!!! test_hash_kwsplat:821
+{ foo: 2, **bar }
+!!! test_hash_label:776
+{ foo: 2 }
+!!! test_hash_label_end:789
+{ 'foo': 2 }
+!!! test_hash_label_end:802
+{ 'foo': 2, 'bar': {}}
+!!! test_hash_label_end:810
+f(a ? "a":1)
+!!! test_hash_pair_value_omission:10040
+{a:, b:}
+!!! test_hash_pair_value_omission:10054
+{puts:}
+!!! test_hash_pair_value_omission:10065
+{BAR:}
+!!! test_heredoc:263
+<<HERE
+foo
+bar
+HERE
+!!! test_heredoc:270
+<<'HERE'
+foo
+bar
+HERE
+!!! test_heredoc:277
+<<`HERE`
+foo
+bar
+HERE
+!!! test_if:4497
+if foo then bar; end
+!!! test_if:4505
+if foo; bar; end
+!!! test_if_else:4554
+if foo then bar; else baz; end
+!!! test_if_else:4563
+if foo; bar; else baz; end
+!!! test_if_elsif:4592
+if foo; bar; elsif baz; 1; else 2; end
+!!! test_if_masgn__24:4634
+if (a, b = foo); end
+!!! test_if_mod:4521
+bar if foo
+!!! test_if_nl_then:4514
+if foo
+then bar end
+!!! test_if_while_after_class__since_32:10983
+module if true; Object end::Kernel; end
+!!! test_if_while_after_class__since_32:10993
+module while true; break Object end::Kernel; end
+!!! test_if_while_after_class__since_32:11004
+class if true; Object end::Kernel; end
+!!! test_if_while_after_class__since_32:11014
+class while true; break Object end::Kernel; end
+!!! test_int:103
+42
+!!! test_int:108
++42
+!!! test_int:114
+-42
+!!! test_int___LINE__:122
+__LINE__
+!!! test_interp_digit_var:8075
+ '#@1' 
+!!! test_interp_digit_var:8081
+ '#@@1' 
+!!! test_interp_digit_var:8090
+<<-'HERE'
+#@1
+HERE
+!!! test_interp_digit_var:8096
+<<-'HERE'
+#@@1
+HERE
+!!! test_interp_digit_var:8103
+ %q{#@1} 
+!!! test_interp_digit_var:8109
+ %q{#@@1} 
+!!! test_interp_digit_var:8128
+ "#@1" 
+!!! test_interp_digit_var:8134
+ "#@@1" 
+!!! test_interp_digit_var:8155
+<<-"HERE"
+#@1
+HERE
+!!! test_interp_digit_var:8161
+<<-"HERE"
+#@@1
+HERE
+!!! test_interp_digit_var:8180
+ %{#@1} 
+!!! test_interp_digit_var:8186
+ %{#@@1} 
+!!! test_interp_digit_var:8205
+ %Q{#@1} 
+!!! test_interp_digit_var:8211
+ %Q{#@@1} 
+!!! test_interp_digit_var:8218
+ %w[ #@1 ] 
+!!! test_interp_digit_var:8225
+ %w[ #@@1 ] 
+!!! test_interp_digit_var:8245
+ %W[#@1] 
+!!! test_interp_digit_var:8252
+ %W[#@@1] 
+!!! test_interp_digit_var:8260
+ %i[ #@1 ] 
+!!! test_interp_digit_var:8267
+ %i[ #@@1 ] 
+!!! test_interp_digit_var:8287
+ %I[#@1] 
+!!! test_interp_digit_var:8294
+ %I[#@@1] 
+!!! test_interp_digit_var:8302
+ :'#@1' 
+!!! test_interp_digit_var:8308
+ :'#@@1' 
+!!! test_interp_digit_var:8315
+ %s{#@1} 
+!!! test_interp_digit_var:8321
+ %s{#@@1} 
+!!! test_interp_digit_var:8340
+ :"#@1" 
+!!! test_interp_digit_var:8346
+ :"#@@1" 
+!!! test_interp_digit_var:8365
+ /#@1/ 
+!!! test_interp_digit_var:8373
+ /#@@1/ 
+!!! test_interp_digit_var:8394
+ %r{#@1} 
+!!! test_interp_digit_var:8402
+ %r{#@@1} 
+!!! test_interp_digit_var:8423
+ %x{#@1} 
+!!! test_interp_digit_var:8430
+ %x{#@@1} 
+!!! test_interp_digit_var:8450
+ `#@1` 
+!!! test_interp_digit_var:8457
+ `#@@1` 
+!!! test_interp_digit_var:8479
+<<-`HERE`
+#@1
+HERE
+!!! test_interp_digit_var:8486
+<<-`HERE`
+#@@1
+HERE
+!!! test_ivar:966
+@foo
+!!! test_ivasgn:1096
+@var = 10
+!!! test_keyword_argument_omission:10084
+foo(a:, b:)
+!!! test_kwarg:2113
+def f(foo:); end
+!!! test_kwbegin_compstmt:5500
+begin foo!; bar! end
+!!! test_kwnilarg:2156
+def f(**nil); end
+!!! test_kwnilarg:2165
+m { |**nil| }
+!!! test_kwnilarg:2175
+->(**nil) {}
+!!! test_kwoptarg:2124
+def f(foo: 1); end
+!!! test_kwrestarg_named:2135
+def f(**foo); end
+!!! test_kwrestarg_unnamed:2146
+def f(**); end
+!!! test_lbrace_arg_after_command_args:7235
+let (:a) { m do; end }
+!!! test_lparenarg_after_lvar__since_25:6679
+meth (-1.3).abs
+!!! test_lparenarg_after_lvar__since_25:6688
+foo (-1.3).abs
+!!! test_lvar:959
+foo
+!!! test_lvar_injecting_match:3778
+/(?<match>bar)/ =~ 'bar'; match
+!!! test_lvasgn:1084
+var = 10; var
+!!! test_masgn:1247
+foo, bar = 1, 2
+!!! test_masgn:1258
+(foo, bar) = 1, 2
+!!! test_masgn:1268
+foo, bar, baz = 1, 2
+!!! test_masgn_attr:1390
+self.a, self[1, 2] = foo
+!!! test_masgn_attr:1403
+self::a, foo = foo
+!!! test_masgn_attr:1411
+self.A, foo = foo
+!!! test_masgn_cmd:1439
+foo, bar = m foo
+!!! test_masgn_const:1421
+self::A, foo = foo
+!!! test_masgn_const:1429
+::A, foo = foo
+!!! test_masgn_nested:1365
+a, (b, c) = foo
+!!! test_masgn_nested:1379
+((b, )) = foo
+!!! test_masgn_splat:1279
+@foo, @@bar = *foo
+!!! test_masgn_splat:1288
+a, b = *foo, bar
+!!! test_masgn_splat:1296
+a, *b = bar
+!!! test_masgn_splat:1302
+a, *b, c = bar
+!!! test_masgn_splat:1313
+a, * = bar
+!!! test_masgn_splat:1319
+a, *, c = bar
+!!! test_masgn_splat:1330
+*b = bar
+!!! test_masgn_splat:1336
+*b, c = bar
+!!! test_masgn_splat:1346
+* = bar
+!!! test_masgn_splat:1352
+*, c, d = bar
+!!! test_method_definition_in_while_cond:6816
+while def foo; tap do end; end; break; end
+!!! test_method_definition_in_while_cond:6828
+while def self.foo; tap do end; end; break; end
+!!! test_method_definition_in_while_cond:6841
+while def foo a = tap do end; end; break; end
+!!! test_method_definition_in_while_cond:6854
+while def self.foo a = tap do end; end; break; end
+!!! test_module:1789
+module Foo; end
+!!! test_multiple_pattern_matches:11086
+{a: 0} => a:
+{a: 0} => a:
+!!! test_multiple_pattern_matches:11102
+{a: 0} in a:
+{a: 0} in a:
+!!! test_newline_in_hash_argument:11035
+obj.set foo:
+1
+!!! test_newline_in_hash_argument:11046
+obj.set "foo":
+1
+!!! test_newline_in_hash_argument:11057
+case foo
+in a:
+0
+true
+in "b":
+0
+true
+end
+!!! test_next:5131
+next(foo)
+!!! test_next:5145
+next foo
+!!! test_next:5151
+next()
+!!! test_next:5158
+next
+!!! test_next_block:5166
+next fun foo do end
+!!! test_nil:66
+nil
+!!! test_nil_expression:73
+()
+!!! test_nil_expression:80
+begin end
+!!! test_non_lvar_injecting_match:3793
+/#{1}(?<match>bar)/ =~ 'bar'
+!!! test_not:3462
+not foo
+!!! test_not:3468
+not(foo)
+!!! test_not:3474
+not()
+!!! test_not_cmd:3488
+not m foo
+!!! test_not_masgn__24:4672
+!(a, b = foo)
+!!! test_nth_ref:1002
+$10
+!!! test_numbered_args_after_27:7358
+m { _1 + _9 }
+!!! test_numbered_args_after_27:7373
+m do _1 + _9 end
+!!! test_numbered_args_after_27:7390
+-> { _1 + _9}
+!!! test_numbered_args_after_27:7405
+-> do _1 + _9 end
+!!! test_numparam_outside_block:7512
+class A; _1; end
+!!! test_numparam_outside_block:7520
+module A; _1; end
+!!! test_numparam_outside_block:7528
+class << foo; _1; end
+!!! test_numparam_outside_block:7536
+def self.m; _1; end
+!!! test_numparam_outside_block:7545
+_1
+!!! test_op_asgn:1606
+foo.a += 1
+!!! test_op_asgn:1616
+foo::a += 1
+!!! test_op_asgn:1622
+foo.A += 1
+!!! test_op_asgn_cmd:1630
+foo.a += m foo
+!!! test_op_asgn_cmd:1636
+foo::a += m foo
+!!! test_op_asgn_cmd:1642
+foo.A += m foo
+!!! test_op_asgn_cmd:1654
+foo::A += m foo
+!!! test_op_asgn_index:1664
+foo[0, 1] += 2
+!!! test_op_asgn_index_cmd:1678
+foo[0, 1] += m foo
+!!! test_optarg:2074
+def f foo = 1; end
+!!! test_optarg:2084
+def f(foo=1, bar=2); end
+!!! test_or:4461
+foo or bar
+!!! test_or:4467
+foo || bar
+!!! test_or_asgn:1724
+foo.a ||= 1
+!!! test_or_asgn:1734
+foo[0, 1] ||= 2
+!!! test_parser_bug_272:6528
+a @b do |c|;end
+!!! test_parser_bug_490:7151
+def m; class << self; class C; end; end; end
+!!! test_parser_bug_490:7162
+def m; class << self; module M; end; end; end
+!!! test_parser_bug_490:7173
+def m; class << self; A = nil; end; end
+!!! test_parser_bug_507:7265
+m = -> *args do end
+!!! test_parser_bug_518:7277
+class A < B
+end
+!!! test_parser_bug_525:7287
+m1 :k => m2 do; m3() do end; end
+!!! test_parser_bug_604:7737
+m a + b do end
+!!! test_parser_bug_640:443
+<<~FOO
+  baz\
+  qux
+FOO
+!!! test_parser_bug_645:9774
+-> (arg={}) {}
+!!! test_parser_bug_830:10630
+/\(/
+!!! test_parser_drops_truncated_parts_of_squiggly_heredoc:10446
+<<~HERE
+  #{}
+HERE
+!!! test_pattern_matching__FILE__LINE_literals:9473
+        case [__FILE__, __LINE__ + 1, __ENCODING__]
+          in [__FILE__, __LINE__, __ENCODING__]
+        end
+!!! test_pattern_matching_blank_else:9390
+case 1; in 2; 3; else; end
+!!! test_pattern_matching_else:9376
+case 1; in 2; 3; else; 4; end
+!!! test_pattern_matching_single_line:9540
+1 => [a]; a
+!!! test_pattern_matching_single_line:9552
+1 in [a]; a
+!!! test_pattern_matching_single_line_allowed_omission_of_parentheses:9566
+[1, 2] => a, b; a
+!!! test_pattern_matching_single_line_allowed_omission_of_parentheses:9581
+{a: 1} => a:; a
+!!! test_pattern_matching_single_line_allowed_omission_of_parentheses:9596
+[1, 2] in a, b; a
+!!! test_pattern_matching_single_line_allowed_omission_of_parentheses:9611
+{a: 1} in a:; a
+!!! test_pattern_matching_single_line_allowed_omission_of_parentheses:9626
+{key: :value} in key: value; value
+!!! test_pattern_matching_single_line_allowed_omission_of_parentheses:9643
+{key: :value} => key: value; value
+!!! test_postexe:5486
+END { 1 }
+!!! test_preexe:5467
+BEGIN { 1 }
+!!! test_procarg0:2803
+m { |foo| } 
+!!! test_procarg0:2812
+m { |(foo, bar)| } 
+!!! test_range_endless:869
+1..
+!!! test_range_endless:877
+1...
+!!! test_range_exclusive:861
+1...2
+!!! test_range_inclusive:853
+1..2
+!!! test_rational:142
+42r
+!!! test_rational:148
+42.1r
+!!! test_redo:5178
+redo
+!!! test_regex_interp:551
+/foo#{bar}baz/
+!!! test_regex_plain:541
+/source/im
+!!! test_resbody_list:5398
+begin; meth; rescue Exception; bar; end
+!!! test_resbody_list_mrhs:5411
+begin; meth; rescue Exception, foo; bar; end
+!!! test_resbody_list_var:5444
+begin; meth; rescue foo => ex; bar; end
+!!! test_resbody_var:5426
+begin; meth; rescue => ex; bar; end
+!!! test_resbody_var:5434
+begin; meth; rescue => @ex; bar; end
+!!! test_rescue:5188
+begin; meth; rescue; foo; end
+!!! test_rescue_else:5203
+begin; meth; rescue; foo; else; bar; end
+!!! test_rescue_else_ensure:5302
+begin; meth; rescue; baz; else foo; ensure; bar end
+!!! test_rescue_ensure:5286
+begin; meth; rescue; baz; ensure; bar; end
+!!! test_rescue_in_lambda_block:6928
+-> do rescue; end
+!!! test_rescue_mod:5319
+meth rescue bar
+!!! test_rescue_mod_asgn:5331
+foo = meth rescue bar
+!!! test_rescue_mod_masgn:5345
+foo, bar = meth rescue [1, 2]
+!!! test_rescue_mod_op_assign:5365
+foo += meth rescue bar
+!!! test_rescue_without_begin_end:5381
+meth do; foo; rescue; bar; end
+!!! test_restarg_named:2094
+def f(*foo); end
+!!! test_restarg_unnamed:2104
+def f(*); end
+!!! test_retry:5457
+retry
+!!! test_return:5084
+return(foo)
+!!! test_return:5098
+return foo
+!!! test_return:5104
+return()
+!!! test_return:5111
+return
+!!! test_return_block:5119
+return fun foo do end
+!!! test_ruby_bug_10279:5905
+{a: if true then 42 end}
+!!! test_ruby_bug_10653:5915
+true ? 1.tap do |n| p n end : 0
+!!! test_ruby_bug_10653:5945
+false ? raise {} : tap {}
+!!! test_ruby_bug_10653:5958
+false ? raise do end : tap do end
+!!! test_ruby_bug_11107:5973
+p ->() do a() do end end
+!!! test_ruby_bug_11380:5985
+p -> { :hello }, a: 1 do end
+!!! test_ruby_bug_11873:6353
+a b{c d}, "x" do end
+!!! test_ruby_bug_11873:6367
+a b(c d), "x" do end
+!!! test_ruby_bug_11873:6380
+a b{c(d)}, "x" do end
+!!! test_ruby_bug_11873:6394
+a b(c(d)), "x" do end
+!!! test_ruby_bug_11873:6407
+a b{c d}, /x/ do end
+!!! test_ruby_bug_11873:6421
+a b(c d), /x/ do end
+!!! test_ruby_bug_11873:6434
+a b{c(d)}, /x/ do end
+!!! test_ruby_bug_11873:6448
+a b(c(d)), /x/ do end
+!!! test_ruby_bug_11873:6461
+a b{c d}, /x/m do end
+!!! test_ruby_bug_11873:6475
+a b(c d), /x/m do end
+!!! test_ruby_bug_11873:6488
+a b{c(d)}, /x/m do end
+!!! test_ruby_bug_11873:6502
+a b(c(d)), /x/m do end
+!!! test_ruby_bug_11873_b:6050
+p p{p(p);p p}, tap do end
+!!! test_ruby_bug_11989:6069
+p <<~"E"
+  x\n   y
+E
+!!! test_ruby_bug_11990:6078
+p <<~E "  y"
+  x
+E
+!!! test_ruby_bug_12073:6089
+a = 1; a b: 1
+!!! test_ruby_bug_12073:6102
+def foo raise; raise A::B, ''; end
+!!! test_ruby_bug_12402:6116
+foo = raise(bar) rescue nil
+!!! test_ruby_bug_12402:6127
+foo += raise(bar) rescue nil
+!!! test_ruby_bug_12402:6139
+foo[0] += raise(bar) rescue nil
+!!! test_ruby_bug_12402:6153
+foo.m += raise(bar) rescue nil
+!!! test_ruby_bug_12402:6166
+foo::m += raise(bar) rescue nil
+!!! test_ruby_bug_12402:6179
+foo.C += raise(bar) rescue nil
+!!! test_ruby_bug_12402:6192
+foo::C ||= raise(bar) rescue nil
+!!! test_ruby_bug_12402:6205
+foo = raise bar rescue nil
+!!! test_ruby_bug_12402:6216
+foo += raise bar rescue nil
+!!! test_ruby_bug_12402:6228
+foo[0] += raise bar rescue nil
+!!! test_ruby_bug_12402:6242
+foo.m += raise bar rescue nil
+!!! test_ruby_bug_12402:6255
+foo::m += raise bar rescue nil
+!!! test_ruby_bug_12402:6268
+foo.C += raise bar rescue nil
+!!! test_ruby_bug_12402:6281
+foo::C ||= raise bar rescue nil
+!!! test_ruby_bug_12669:6296
+a = b = raise :x
+!!! test_ruby_bug_12669:6305
+a += b = raise :x
+!!! test_ruby_bug_12669:6314
+a = b += raise :x
+!!! test_ruby_bug_12669:6323
+a += b += raise :x
+!!! test_ruby_bug_12686:6334
+f (g rescue nil)
+!!! test_ruby_bug_13547:7018
+meth[] {}
+!!! test_ruby_bug_14690:7250
+let () { m(a) do; end }
+!!! test_ruby_bug_15789:7622
+m ->(a = ->{_1}) {a}
+!!! test_ruby_bug_15789:7636
+m ->(a: ->{_1}) {a}
+!!! test_ruby_bug_9669:5889
+def a b:
+return
+end
+!!! test_ruby_bug_9669:5895
+o = {
+a:
+1
+}
+!!! test_sclass:1884
+class << foo; nil; end
+!!! test_self:952
+self
+!!! test_send_attr_asgn:3528
+foo.a = 1
+!!! test_send_attr_asgn:3536
+foo::a = 1
+!!! test_send_attr_asgn:3544
+foo.A = 1
+!!! test_send_attr_asgn:3552
+foo::A = 1
+!!! test_send_attr_asgn_conditional:3751
+a&.b = 1
+!!! test_send_binary_op:3308
+foo + 1
+!!! test_send_binary_op:3314
+foo - 1
+!!! test_send_binary_op:3318
+foo * 1
+!!! test_send_binary_op:3322
+foo / 1
+!!! test_send_binary_op:3326
+foo % 1
+!!! test_send_binary_op:3330
+foo ** 1
+!!! test_send_binary_op:3334
+foo | 1
+!!! test_send_binary_op:3338
+foo ^ 1
+!!! test_send_binary_op:3342
+foo & 1
+!!! test_send_binary_op:3346
+foo <=> 1
+!!! test_send_binary_op:3350
+foo < 1
+!!! test_send_binary_op:3354
+foo <= 1
+!!! test_send_binary_op:3358
+foo > 1
+!!! test_send_binary_op:3362
+foo >= 1
+!!! test_send_binary_op:3366
+foo == 1
+!!! test_send_binary_op:3376
+foo != 1
+!!! test_send_binary_op:3382
+foo === 1
+!!! test_send_binary_op:3386
+foo =~ 1
+!!! test_send_binary_op:3396
+foo !~ 1
+!!! test_send_binary_op:3402
+foo << 1
+!!! test_send_binary_op:3406
+foo >> 1
+!!! test_send_block_chain_cmd:3201
+meth 1 do end.fun bar
+!!! test_send_block_chain_cmd:3212
+meth 1 do end.fun(bar)
+!!! test_send_block_chain_cmd:3225
+meth 1 do end::fun bar
+!!! test_send_block_chain_cmd:3236
+meth 1 do end::fun(bar)
+!!! test_send_block_chain_cmd:3249
+meth 1 do end.fun bar do end
+!!! test_send_block_chain_cmd:3261
+meth 1 do end.fun(bar) {}
+!!! test_send_block_chain_cmd:3273
+meth 1 do end.fun {}
+!!! test_send_block_conditional:3759
+foo&.bar {}
+!!! test_send_call:3721
+foo.(1)
+!!! test_send_call:3731
+foo::(1)
+!!! test_send_conditional:3743
+a&.b
+!!! test_send_index:3562
+foo[1, 2]
+!!! test_send_index_asgn:3591
+foo[1, 2] = 3
+!!! test_send_index_asgn_legacy:3603
+foo[1, 2] = 3
+!!! test_send_index_cmd:3584
+foo[m bar]
+!!! test_send_index_legacy:3573
+foo[1, 2]
+!!! test_send_lambda:3615
+->{ }
+!!! test_send_lambda:3625
+-> * { }
+!!! test_send_lambda:3636
+-> do end
+!!! test_send_lambda_args:3648
+->(a) { }
+!!! test_send_lambda_args:3662
+-> (a) { }
+!!! test_send_lambda_args_noparen:3686
+-> a: 1 { }
+!!! test_send_lambda_args_noparen:3695
+-> a: { }
+!!! test_send_lambda_args_shadow:3673
+->(a; foo, bar) { }
+!!! test_send_lambda_legacy:3707
+->{ }
+!!! test_send_op_asgn_conditional:3770
+a&.b &&= 1
+!!! test_send_plain:3105
+foo.fun
+!!! test_send_plain:3112
+foo::fun
+!!! test_send_plain:3119
+foo::Fun()
+!!! test_send_plain_cmd:3128
+foo.fun bar
+!!! test_send_plain_cmd:3135
+foo::fun bar
+!!! test_send_plain_cmd:3142
+foo::Fun bar
+!!! test_send_self:3044
+fun
+!!! test_send_self:3050
+fun!
+!!! test_send_self:3056
+fun(1)
+!!! test_send_self_block:3066
+fun { }
+!!! test_send_self_block:3070
+fun() { }
+!!! test_send_self_block:3074
+fun(1) { }
+!!! test_send_self_block:3078
+fun do end
+!!! test_send_unary_op:3412
+-foo
+!!! test_send_unary_op:3418
++foo
+!!! test_send_unary_op:3422
+~foo
+!!! test_slash_newline_in_heredocs:7186
+<<~E
+    1 \
+    2
+    3
+E
+!!! test_slash_newline_in_heredocs:7194
+<<-E
+    1 \
+    2
+    3
+E
+!!! test_space_args_arg:4132
+fun (1)
+!!! test_space_args_arg_block:4146
+fun (1) {}
+!!! test_space_args_arg_block:4160
+foo.fun (1) {}
+!!! test_space_args_arg_block:4176
+foo::fun (1) {}
+!!! test_space_args_arg_call:4198
+fun (1).to_i
+!!! test_space_args_arg_newline:4138
+fun (1
+)
+!!! test_space_args_block:4430
+fun () {}
+!!! test_space_args_cmd:4125
+fun (f bar)
+!!! test_string___FILE__:241
+__FILE__
+!!! test_string_concat:226
+"foo#@a" "bar"
+!!! test_string_dvar:215
+"#@a #@@a #$a"
+!!! test_string_interp:200
+"foo#{bar}baz"
+!!! test_string_plain:184
+'foobar'
+!!! test_string_plain:191
+%q(foobar)
+!!! test_super:3807
+super(foo)
+!!! test_super:3815
+super foo
+!!! test_super:3821
+super()
+!!! test_super_block:3839
+super foo, bar do end
+!!! test_super_block:3845
+super do end
+!!! test_symbol_interp:484
+:"foo#{bar}baz"
+!!! test_symbol_plain:469
+:foo
+!!! test_symbol_plain:475
+:'foo'
+!!! test_ternary:4605
+foo ? 1 : 2
+!!! test_ternary_ambiguous_symbol:4614
+t=1;(foo)?t:T
+!!! test_trailing_forward_arg:8022
+def foo(a, b, ...); bar(a, 42, ...); end
+!!! test_true:89
+true
+!!! test_unary_num_pow_precedence:3505
++2.0 ** 10
+!!! test_unary_num_pow_precedence:3512
+-2 ** 10
+!!! test_unary_num_pow_precedence:3519
+-2.0 ** 10
+!!! test_undef:2003
+undef foo, :bar, :"foo#{1}"
+!!! test_unless:4529
+unless foo then bar; end
+!!! test_unless:4537
+unless foo; bar; end
+!!! test_unless_else:4573
+unless foo then bar; else baz; end
+!!! test_unless_else:4582
+unless foo; bar; else baz; end
+!!! test_unless_mod:4546
+bar unless foo
+!!! test_until:4948
+until foo do meth end
+!!! test_until:4955
+until foo; meth end
+!!! test_until_mod:4963
+meth until foo
+!!! test_until_post:4978
+begin meth end until foo
+!!! test_var_and_asgn:1714
+a &&= 1
+!!! test_var_op_asgn:1498
+a += 1
+!!! test_var_op_asgn:1504
+@a |= 1
+!!! test_var_op_asgn:1510
+@@var |= 10
+!!! test_var_op_asgn:1514
+def a; @@var |= 10; end
+!!! test_var_op_asgn_cmd:1521
+foo += m foo
+!!! test_var_or_asgn:1706
+a ||= 1
+!!! test_when_multi:4895
+case foo; when 'bar', 'baz'; bar; end
+!!! test_when_splat:4904
+case foo; when 1, *baz; bar; when *foo; end
+!!! test_when_then:4883
+case foo; when 'bar' then bar; end
+!!! test_while:4924
+while foo do meth end
+!!! test_while:4932
+while foo; meth end
+!!! test_while_mod:4941
+meth while foo
+!!! test_while_post:4970
+begin meth end while foo
+!!! test_xstring_interp:524
+`foo#{bar}baz`
+!!! test_xstring_plain:515
+`foobar`
+!!! test_yield:3855
+yield(foo)
+!!! test_yield:3863
+yield foo
+!!! test_yield:3869
+yield()
+!!! test_yield:3877
+yield
+!!! test_zsuper:3831
+super
diff --git a/test/translation/parser_test.rb b/test/translation/parser_test.rb
new file mode 100644
index 00000000..576d4ac1
--- /dev/null
+++ b/test/translation/parser_test.rb
@@ -0,0 +1,168 @@
+# frozen_string_literal: true
+
+require_relative "../test_helper"
+require "parser/current"
+
+Parser::Builders::Default.modernize
+
+module SyntaxTree
+  module Translation
+    class ParserTest < Minitest::Test
+      known_failures = [
+        # I think this may be a bug in the parser gem's precedence calculation.
+        # Unary plus appears to be parsed as part of the number literal in
+        # CRuby, but parser is parsing it as a separate operator.
+        "test_unary_num_pow_precedence:3505",
+
+        # Not much to be done about this. Basically, regular expressions with
+        # named capture groups that use the =~ operator inject local variables
+        # into the current scope. In the parser gem, it detects this and changes
+        # future references to that name to be a local variable instead of a
+        # potential method call. CRuby does not do this.
+        "test_lvar_injecting_match:3778",
+
+        # This is failing because CRuby is not marking values captured in hash
+        # patterns as local variables, while the parser gem is.
+        "test_pattern_matching_hash:8971",
+
+        # This is not actually allowed in the CRuby parser but the parser gem
+        # thinks it is allowed.
+        "test_pattern_matching_hash_with_string_keys:9016",
+        "test_pattern_matching_hash_with_string_keys:9027",
+        "test_pattern_matching_hash_with_string_keys:9038",
+        "test_pattern_matching_hash_with_string_keys:9060",
+        "test_pattern_matching_hash_with_string_keys:9071",
+        "test_pattern_matching_hash_with_string_keys:9082",
+
+        # This happens with pattern matching where you're matching a literal
+        # value inside parentheses, which doesn't really do anything. Ripper
+        # doesn't capture that this value is inside a parentheses, so it's hard
+        # to translate properly.
+        "test_pattern_matching_expr_in_paren:9206",
+
+        # These are also failing because of CRuby not marking values captured in
+        # hash patterns as local variables.
+        "test_pattern_matching_single_line_allowed_omission_of_parentheses:*",
+
+        # I'm not even sure what this is testing, because the code is invalid in
+        # CRuby.
+        "test_control_meta_escape_chars_in_regexp__since_31:*",
+      ]
+
+      todo_failures = [
+        "test_dedenting_heredoc:334",
+        "test_dedenting_heredoc:390",
+        "test_dedenting_heredoc:399",
+        "test_slash_newline_in_heredocs:7194",
+        "test_parser_slash_slash_n_escaping_in_literals:*",
+        "test_cond_match_current_line:4801",
+        "test_forwarded_restarg:*",
+        "test_forwarded_kwrestarg:*",
+        "test_forwarded_argument_with_restarg:*",
+        "test_forwarded_argument_with_kwrestarg:*"
+      ]
+
+      current_version = RUBY_VERSION.split(".")[0..1].join(".")
+
+      if current_version <= "2.7"
+        # I'm not sure why this is failing on 2.7.0, but we'll turn it off for
+        # now until we have more time to investigate.
+        todo_failures.push(
+          "test_pattern_matching_hash:*",
+          "test_pattern_matching_single_line:9552"
+        )
+      end
+    
+      if current_version <= "3.0"
+        # In < 3.0, there are some changes to the way the parser gem handles
+        # forwarded args. We should eventually support this, but for now we're
+        # going to mark them as todo.
+        todo_failures.push(
+          "test_forward_arg:*",
+          "test_forward_args_legacy:*",
+          "test_endless_method_forwarded_args_legacy:*",
+          "test_trailing_forward_arg:*",
+          "test_forward_arg_with_open_args:10770",
+        )
+      end
+    
+      if current_version == "3.1"
+        # This test actually fails on 3.1.0, even though it's marked as being
+        # since 3.1. So we're going to skip this test on 3.1, but leave it in
+        # for other versions.
+        known_failures.push(
+          "test_multiple_pattern_matches:11086",
+          "test_multiple_pattern_matches:11102"
+        )
+      end
+
+      if current_version < "3.2" || RUBY_ENGINE == "truffleruby"
+        known_failures.push(
+          "test_if_while_after_class__since_32:11004",
+          "test_if_while_after_class__since_32:11014",
+          "test_newline_in_hash_argument:11057"
+        )
+      end
+
+      all_failures = known_failures + todo_failures
+
+      File
+        .foreach(File.expand_path("parser.txt", __dir__), chomp: true)
+        .slice_before { |line| line.start_with?("!!!") }
+        .each do |(prefix, *lines)|
+          name = prefix[4..]
+          next if all_failures.any? { |pattern| File.fnmatch?(pattern, name) }
+
+          define_method(name) { assert_parses(lines.join("\n")) }
+        end
+
+      private
+
+      def assert_parses(source)
+        parser = ::Parser::CurrentRuby.default_parser
+        parser.diagnostics.consumer = ->(*) {}
+
+        buffer = ::Parser::Source::Buffer.new("(string)", 1)
+        buffer.source = source
+
+        expected =
+          begin
+            parser.parse(buffer)
+          rescue ::Parser::SyntaxError
+            # We can get a syntax error if we're parsing a fixture that was
+            # designed for a later Ruby version but we're running an earlier
+            # Ruby version. In this case we can just return early from the test.
+          end
+
+        return if expected.nil?
+        node = SyntaxTree.parse(source)
+        assert_equal expected, SyntaxTree::Translation.to_parser(node, buffer)
+      end
+    end
+  end
+end
+
+if ENV["PARSER_LOCATION"]
+  # Modify the source map == check so that it doesn't check against the node
+  # itself so we don't get into a recursive loop.
+  Parser::Source::Map.prepend(
+    Module.new do
+      def ==(other)
+        self.class == other.class &&
+          (instance_variables - %i[@node]).map do |ivar|
+            instance_variable_get(ivar) == other.instance_variable_get(ivar)
+          end.reduce(:&)
+      end
+    end
+  )
+
+  # Next, ensure that we're comparing the nodes and also comparing the source
+  # ranges so that we're getting all of the necessary information.
+  Parser::AST::Node.prepend(
+    Module.new do
+      def ==(other)
+        super && (location == other.location)
+      end
+    end
+  )
+end