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Edit File : serialize.rb \| Size : 83.89 KB
# frozen_string_literal: true =begin This file is generated by the templates/template.rb script and should not be modified manually. See templates/lib/prism/serialize.rb.erb if you are looking to modify the template =end require "stringio" require_relative "polyfill/unpack1" module Prism # A module responsible for deserializing parse results. module Serialize # The major version of prism that we are expecting to find in the serialized # strings. MAJOR_VERSION = 1 # The minor version of prism that we are expecting to find in the serialized # strings. MINOR_VERSION = 2 # The patch version of prism that we are expecting to find in the serialized # strings. PATCH_VERSION = 0 # Deserialize the AST represented by the given string into a parse result. def self.load(input, serialized) input = input.dup source = Source.for(input) loader = Loader.new(source, serialized) result = loader.load_result input.force_encoding(loader.encoding) # This is an extremely niche use-case where the file was marked as binary # but it contained UTF-8-encoded characters. In that case we will actually # put it back to UTF-8 to give the location APIs the best chance of being # correct. if !input.ascii_only? && input.encoding == Encoding::BINARY input.force_encoding(Encoding::UTF_8) input.force_encoding(Encoding::BINARY) unless input.valid_encoding? end result end # Deserialize the tokens represented by the given string into a parse # result. def self.load_tokens(source, serialized) Loader.new(source, serialized).load_tokens_result end class Loader # :nodoc: if RUBY_ENGINE == "truffleruby" # StringIO is synchronized and that adds a high overhead on TruffleRuby. class FastStringIO # :nodoc: attr_accessor :pos def initialize(string) @string = string @pos = 0 end def getbyte byte = @string.getbyte(@pos) @pos += 1 byte end def read(n) slice = @string.byteslice(@pos, n) @pos += n slice end def eof? @pos >= @string.bytesize end end else FastStringIO = ::StringIO end private_constant :FastStringIO attr_reader :encoding, :input, :serialized, :io attr_reader :constant_pool_offset, :constant_pool, :source attr_reader :start_line def initialize(source, serialized) @encoding = Encoding::UTF_8 @input = source.source.dup raise unless serialized.encoding == Encoding::BINARY @serialized = serialized @io = FastStringIO.new(serialized) @constant_pool_offset = nil @constant_pool = nil @source = source define_load_node_lambdas unless RUBY_ENGINE == "ruby" end def load_header raise "Invalid serialization" if io.read(5) != "PRISM" raise "Invalid serialization" if io.read(3).unpack("C3") != [MAJOR_VERSION, MINOR_VERSION, PATCH_VERSION] only_semantic_fields = io.getbyte unless only_semantic_fields == 0 raise "Invalid serialization (location fields must be included but are not)" end end def load_encoding @encoding = Encoding.find(io.read(load_varuint)) @input = input.force_encoding(@encoding).freeze @encoding end def load_start_line source.instance_variable_set :@start_line, load_varsint end def load_line_offsets source.instance_variable_set :@offsets, Array.new(load_varuint) { load_varuint } end def load_comments Array.new(load_varuint) do case load_varuint when 0 then InlineComment.new(load_location_object) when 1 then EmbDocComment.new(load_location_object) end end end DIAGNOSTIC_TYPES = [ :alias_argument, :alias_argument_numbered_reference, :ampampeq_multi_assign, :argument_after_block, :argument_after_forwarding_ellipses, :argument_bare_hash, :argument_block_forwarding, :argument_block_multi, :argument_conflict_ampersand, :argument_conflict_star, :argument_conflict_star_star, :argument_formal_class, :argument_formal_constant, :argument_formal_global, :argument_formal_ivar, :argument_forwarding_unbound, :argument_no_forwarding_ampersand, :argument_no_forwarding_ellipses, :argument_no_forwarding_star, :argument_no_forwarding_star_star, :argument_splat_after_assoc_splat, :argument_splat_after_splat, :argument_term_paren, :argument_unexpected_block, :array_element, :array_expression, :array_expression_after_star, :array_separator, :array_term, :begin_lonely_else, :begin_term, :begin_upcase_brace, :begin_upcase_term, :begin_upcase_toplevel, :block_param_local_variable, :block_param_pipe_term, :block_term_brace, :block_term_end, :cannot_parse_expression, :cannot_parse_string_part, :case_expression_after_case, :case_expression_after_when, :case_match_missing_predicate, :case_missing_conditions, :case_term, :class_in_method, :class_name, :class_superclass, :class_term, :class_unexpected_end, :class_variable_bare, :conditional_elsif_predicate, :conditional_if_predicate, :conditional_predicate_term, :conditional_term, :conditional_term_else, :conditional_unless_predicate, :conditional_until_predicate, :conditional_while_predicate, :constant_path_colon_colon_constant, :def_endless, :def_endless_setter, :def_name, :def_params_term, :def_params_term_paren, :def_receiver, :def_receiver_term, :def_term, :defined_expression, :embdoc_term, :embexpr_end, :embvar_invalid, :end_upcase_brace, :end_upcase_term, :escape_invalid_control, :escape_invalid_control_repeat, :escape_invalid_hexadecimal, :escape_invalid_meta, :escape_invalid_meta_repeat, :escape_invalid_unicode, :escape_invalid_unicode_cm_flags, :escape_invalid_unicode_list, :escape_invalid_unicode_literal, :escape_invalid_unicode_long, :escape_invalid_unicode_short, :escape_invalid_unicode_term, :expect_argument, :expect_eol_after_statement, :expect_expression_after_ampampeq, :expect_expression_after_comma, :expect_expression_after_equal, :expect_expression_after_less_less, :expect_expression_after_lparen, :expect_expression_after_operator, :expect_expression_after_pipepipeeq, :expect_expression_after_question, :expect_expression_after_splat, :expect_expression_after_splat_hash, :expect_expression_after_star, :expect_for_delimiter, :expect_ident_req_parameter, :expect_in_delimiter, :expect_lparen_req_parameter, :expect_message, :expect_rbracket, :expect_rparen, :expect_rparen_after_multi, :expect_rparen_req_parameter, :expect_singleton_class_delimiter, :expect_string_content, :expect_when_delimiter, :expression_bare_hash, :expression_not_writable, :expression_not_writable_encoding, :expression_not_writable_false, :expression_not_writable_file, :expression_not_writable_line, :expression_not_writable_nil, :expression_not_writable_numbered, :expression_not_writable_self, :expression_not_writable_true, :float_parse, :for_collection, :for_in, :for_index, :for_term, :global_variable_bare, :hash_expression_after_label, :hash_key, :hash_rocket, :hash_term, :hash_value, :heredoc_identifier, :heredoc_term, :incomplete_question_mark, :incomplete_variable_class, :incomplete_variable_class_3_3, :incomplete_variable_instance, :incomplete_variable_instance_3_3, :instance_variable_bare, :invalid_block_exit, :invalid_character, :invalid_comma, :invalid_encoding_magic_comment, :invalid_escape_character, :invalid_float_exponent, :invalid_local_variable_read, :invalid_local_variable_write, :invalid_multibyte_char, :invalid_multibyte_character, :invalid_multibyte_escape, :invalid_number_binary, :invalid_number_decimal, :invalid_number_fraction, :invalid_number_hexadecimal, :invalid_number_octal, :invalid_number_underscore_inner, :invalid_number_underscore_trailing, :invalid_percent, :invalid_percent_eof, :invalid_printable_character, :invalid_retry_after_else, :invalid_retry_after_ensure, :invalid_retry_without_rescue, :invalid_symbol, :invalid_variable_global, :invalid_variable_global_3_3, :invalid_yield, :it_not_allowed_numbered, :it_not_allowed_ordinary, :lambda_open, :lambda_term_brace, :lambda_term_end, :list_i_lower_element, :list_i_lower_term, :list_i_upper_element, :list_i_upper_term, :list_w_lower_element, :list_w_lower_term, :list_w_upper_element, :list_w_upper_term, :malloc_failed, :mixed_encoding, :module_in_method, :module_name, :module_term, :multi_assign_multi_splats, :multi_assign_unexpected_rest, :nesting_too_deep, :no_local_variable, :non_associative_operator, :not_expression, :number_literal_underscore, :numbered_parameter_inner_block, :numbered_parameter_it, :numbered_parameter_ordinary, :numbered_parameter_outer_block, :operator_multi_assign, :operator_write_arguments, :operator_write_block, :parameter_assoc_splat_multi, :parameter_block_multi, :parameter_circular, :parameter_forwarding_after_rest, :parameter_method_name, :parameter_name_duplicated, :parameter_no_default, :parameter_no_default_kw, :parameter_numbered_reserved, :parameter_order, :parameter_splat_multi, :parameter_star, :parameter_unexpected_fwd, :parameter_unexpected_no_kw, :parameter_wild_loose_comma, :pattern_array_multiple_rests, :pattern_capture_duplicate, :pattern_expression_after_bracket, :pattern_expression_after_comma, :pattern_expression_after_hrocket, :pattern_expression_after_in, :pattern_expression_after_key, :pattern_expression_after_paren, :pattern_expression_after_pin, :pattern_expression_after_pipe, :pattern_expression_after_range, :pattern_expression_after_rest, :pattern_find_missing_inner, :pattern_hash_implicit, :pattern_hash_key, :pattern_hash_key_duplicate, :pattern_hash_key_interpolated, :pattern_hash_key_label, :pattern_hash_key_locals, :pattern_ident_after_hrocket, :pattern_label_after_comma, :pattern_rest, :pattern_term_brace, :pattern_term_bracket, :pattern_term_paren, :pipepipeeq_multi_assign, :regexp_encoding_option_mismatch, :regexp_incompat_char_encoding, :regexp_invalid_unicode_range, :regexp_non_escaped_mbc, :regexp_parse_error, :regexp_term, :regexp_unknown_options, :regexp_utf8_char_non_utf8_regexp, :rescue_expression, :rescue_modifier_value, :rescue_term, :rescue_variable, :return_invalid, :script_not_found, :singleton_for_literals, :statement_alias, :statement_postexe_end, :statement_preexe_begin, :statement_undef, :string_concatenation, :string_interpolated_term, :string_literal_eof, :string_literal_term, :symbol_invalid, :symbol_term_dynamic, :symbol_term_interpolated, :ternary_colon, :ternary_expression_false, :ternary_expression_true, :unary_disallowed, :unary_receiver, :undef_argument, :unexpected_block_argument, :unexpected_index_block, :unexpected_index_keywords, :unexpected_label, :unexpected_multi_write, :unexpected_range_operator, :unexpected_safe_navigation, :unexpected_token_close_context, :unexpected_token_ignore, :until_term, :void_expression, :while_term, :write_target_in_method, :write_target_readonly, :write_target_unexpected, :xstring_term, :ambiguous_binary_operator, :ambiguous_first_argument_minus, :ambiguous_first_argument_plus, :ambiguous_prefix_ampersand, :ambiguous_prefix_star, :ambiguous_prefix_star_star, :ambiguous_slash, :comparison_after_comparison, :dot_dot_dot_eol, :equal_in_conditional, :equal_in_conditional_3_3, :end_in_method, :duplicated_hash_key, :duplicated_when_clause, :float_out_of_range, :ignored_frozen_string_literal, :indentation_mismatch, :integer_in_flip_flop, :invalid_character, :invalid_magic_comment_value, :invalid_numbered_reference, :keyword_eol, :literal_in_condition_default, :literal_in_condition_verbose, :shareable_constant_value_line, :shebang_carriage_return, :unexpected_carriage_return, :unreachable_statement, :unused_local_variable, :void_statement, ].freeze private_constant :DIAGNOSTIC_TYPES def load_metadata comments = load_comments magic_comments = Array.new(load_varuint) { MagicComment.new(load_location_object, load_location_object) } data_loc = load_optional_location_object errors = Array.new(load_varuint) { ParseError.new(DIAGNOSTIC_TYPES.fetch(load_varuint), load_embedded_string, load_location_object, load_error_level) } warnings = Array.new(load_varuint) { ParseWarning.new(DIAGNOSTIC_TYPES.fetch(load_varuint), load_embedded_string, load_location_object, load_warning_level) } [comments, magic_comments, data_loc, errors, warnings] end def load_tokens tokens = [] while type = TOKEN_TYPES.fetch(load_varuint) start = load_varuint length = load_varuint lex_state = load_varuint location = Location.new(@source, start, length) tokens << [Token.new(source, type, location.slice, location), lex_state] end tokens end def load_tokens_result tokens = load_tokens encoding = load_encoding load_start_line load_line_offsets comments, magic_comments, data_loc, errors, warnings = load_metadata tokens.each { \|token,\| token.value.force_encoding(encoding) } raise "Expected to consume all bytes while deserializing" unless @io.eof? LexResult.new(tokens, comments, magic_comments, data_loc, errors, warnings, @source) end def load_nodes load_header load_encoding load_start_line load_line_offsets comments, magic_comments, data_loc, errors, warnings = load_metadata @constant_pool_offset = load_uint32 @constant_pool = Array.new(load_varuint, nil) [load_node, comments, magic_comments, data_loc, errors, warnings] end def load_result node, comments, magic_comments, data_loc, errors, warnings = load_nodes ParseResult.new(node, comments, magic_comments, data_loc, errors, warnings, @source) end private # variable-length integer using https://en.wikipedia.org/wiki/LEB128 # This is also what protobuf uses: https://protobuf.dev/programming-guides/encoding/#varints def load_varuint n = io.getbyte if n < 128 n else n -= 128 shift = 0 while (b = io.getbyte) >= 128 n += (b - 128) << (shift += 7) end n + (b << (shift + 7)) end end def load_varsint n = load_varuint (n >> 1) ^ (-(n & 1)) end def load_integer negative = io.getbyte != 0 length = load_varuint value = 0 length.times { \|index\| value \|= (load_varuint << (index * 32)) } value = -value if negative value end def load_double io.read(8).unpack1("D") end def load_uint32 io.read(4).unpack1("L") end def load_optional_node if io.getbyte != 0 io.pos -= 1 load_node end end def load_embedded_string io.read(load_varuint).force_encoding(encoding) end def load_string type = io.getbyte case type when 1 input.byteslice(load_varuint, load_varuint).force_encoding(encoding) when 2 load_embedded_string else raise "Unknown serialized string type: #{type}" end end def load_location (load_varuint << 32) \| load_varuint end def load_location_object Location.new(source, load_varuint, load_varuint) end def load_optional_location load_location if io.getbyte != 0 end def load_optional_location_object load_location_object if io.getbyte != 0 end def load_constant(index) constant = constant_pool[index] unless constant offset = constant_pool_offset + index * 8 start = @serialized.unpack1("L", offset: offset) length = @serialized.unpack1("L", offset: offset + 4) constant = if start.nobits?(1 << 31) input.byteslice(start, length).force_encoding(@encoding).to_sym else @serialized.byteslice(start & ((1 << 31) - 1), length).force_encoding(@encoding).to_sym end constant_pool[index] = constant end constant end def load_required_constant load_constant(load_varuint - 1) end def load_optional_constant index = load_varuint load_constant(index - 1) if index != 0 end def load_error_level level = io.getbyte case level when 0 :syntax when 1 :argument when 2 :load else raise "Unknown level: #{level}" end end def load_warning_level level = io.getbyte case level when 0 :default when 1 :verbose else raise "Unknown level: #{level}" end end if RUBY_ENGINE == "ruby" def load_node type = io.getbyte node_id = load_varuint location = load_location case type when 1 then AliasGlobalVariableNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 2 then AliasMethodNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 3 then AlternationPatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 4 then AndNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 5 then ArgumentsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) when 6 then ArrayNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 7 then ArrayPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 8 then AssocNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_location) when 9 then AssocSplatNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 10 then BackReferenceReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 11 then BeginNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location) when 12 then BlockArgumentNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 13 then BlockLocalVariableNode.new(source, node_id, location, load_varuint, load_required_constant) when 14 then BlockNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_optional_node, load_optional_node, load_location, load_location) when 15 then BlockParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) when 16 then BlockParametersNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 17 then BreakNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 18 then CallAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) when 19 then CallNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_required_constant, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) when 20 then CallOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_required_constant, load_location, load_node) when 21 then CallOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) when 22 then CallTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_required_constant, load_location) when 23 then CapturePatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 24 then CaseMatchNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) when 25 then CaseNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) when 26 then ClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, load_required_constant) when 27 then ClassVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 28 then ClassVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 29 then ClassVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 30 then ClassVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 31 then ClassVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 32 then ClassVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 33 then ConstantAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 34 then ConstantOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 35 then ConstantOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 36 then ConstantPathAndWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 37 then ConstantPathNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) when 38 then ConstantPathOperatorWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node, load_required_constant) when 39 then ConstantPathOrWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 40 then ConstantPathTargetNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) when 41 then ConstantPathWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 42 then ConstantReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 43 then ConstantTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 44 then ConstantWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 45 then load_uint32 DefNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varuint) { load_required_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location) when 46 then DefinedNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_location) when 47 then ElseNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_optional_location) when 48 then EmbeddedStatementsNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) when 49 then EmbeddedVariableNode.new(source, node_id, location, load_varuint, load_location, load_node) when 50 then EnsureNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) when 51 then FalseNode.new(source, node_id, location, load_varuint) when 52 then FindPatternNode.new(source, node_id, location, load_varuint, load_optional_node, load_node, Array.new(load_varuint) { load_node }, load_node, load_optional_location, load_optional_location) when 53 then FlipFlopNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) when 54 then FloatNode.new(source, node_id, location, load_varuint, load_double) when 55 then ForNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location) when 56 then ForwardingArgumentsNode.new(source, node_id, location, load_varuint) when 57 then ForwardingParameterNode.new(source, node_id, location, load_varuint) when 58 then ForwardingSuperNode.new(source, node_id, location, load_varuint, load_optional_node) when 59 then GlobalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 60 then GlobalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 61 then GlobalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 62 then GlobalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 63 then GlobalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 64 then GlobalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 65 then HashNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 66 then HashPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_location, load_optional_location) when 67 then IfNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) when 68 then ImaginaryNode.new(source, node_id, location, load_varuint, load_node) when 69 then ImplicitNode.new(source, node_id, location, load_varuint, load_node) when 70 then ImplicitRestNode.new(source, node_id, location, load_varuint) when 71 then InNode.new(source, node_id, location, load_varuint, load_node, load_optional_node, load_location, load_optional_location) when 72 then IndexAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) when 73 then IndexOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_required_constant, load_location, load_node) when 74 then IndexOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) when 75 then IndexTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_optional_node, load_location, load_optional_node) when 76 then InstanceVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 77 then InstanceVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 78 then InstanceVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 79 then InstanceVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 80 then InstanceVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 81 then InstanceVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 82 then IntegerNode.new(source, node_id, location, load_varuint, load_integer) when 83 then InterpolatedMatchLastLineNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 84 then InterpolatedRegularExpressionNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 85 then InterpolatedStringNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) when 86 then InterpolatedSymbolNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) when 87 then InterpolatedXStringNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 88 then ItLocalVariableReadNode.new(source, node_id, location, load_varuint) when 89 then ItParametersNode.new(source, node_id, location, load_varuint) when 90 then KeywordHashNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) when 91 then KeywordRestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) when 92 then LambdaNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_location, load_optional_node, load_optional_node) when 93 then LocalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) when 94 then LocalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_required_constant, load_varuint) when 95 then LocalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) when 96 then LocalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) when 97 then LocalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) when 98 then LocalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint, load_location, load_node, load_location) when 99 then MatchLastLineNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) when 100 then MatchPredicateNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 101 then MatchRequiredNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 102 then MatchWriteNode.new(source, node_id, location, load_varuint, load_node, Array.new(load_varuint) { load_node }) when 103 then MissingNode.new(source, node_id, location, load_varuint) when 104 then ModuleNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_node, load_location, load_required_constant) when 105 then MultiTargetNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 106 then MultiWriteNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location, load_location, load_node) when 107 then NextNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 108 then NilNode.new(source, node_id, location, load_varuint) when 109 then NoKeywordsParameterNode.new(source, node_id, location, load_varuint, load_location, load_location) when 110 then NumberedParametersNode.new(source, node_id, location, load_varuint, io.getbyte) when 111 then NumberedReferenceReadNode.new(source, node_id, location, load_varuint, load_varuint) when 112 then OptionalKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node) when 113 then OptionalParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 114 then OrNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 115 then ParametersNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_node) when 116 then ParenthesesNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location) when 117 then PinnedExpressionNode.new(source, node_id, location, load_varuint, load_node, load_location, load_location, load_location) when 118 then PinnedVariableNode.new(source, node_id, location, load_varuint, load_node, load_location) when 119 then PostExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) when 120 then PreExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) when 121 then ProgramNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_node) when 122 then RangeNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) when 123 then RationalNode.new(source, node_id, location, load_varuint, load_integer, load_integer) when 124 then RedoNode.new(source, node_id, location, load_varuint) when 125 then RegularExpressionNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) when 126 then RequiredKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location) when 127 then RequiredParameterNode.new(source, node_id, location, load_varuint, load_required_constant) when 128 then RescueModifierNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 129 then RescueNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node) when 130 then RestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) when 131 then RetryNode.new(source, node_id, location, load_varuint) when 132 then ReturnNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) when 133 then SelfNode.new(source, node_id, location, load_varuint) when 134 then ShareableConstantNode.new(source, node_id, location, load_varuint, load_node) when 135 then SingletonClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_node, load_optional_node, load_location) when 136 then SourceEncodingNode.new(source, node_id, location, load_varuint) when 137 then SourceFileNode.new(source, node_id, location, load_varuint, load_string) when 138 then SourceLineNode.new(source, node_id, location, load_varuint) when 139 then SplatNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) when 140 then StatementsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) when 141 then StringNode.new(source, node_id, location, load_varuint, load_optional_location, load_location, load_optional_location, load_string) when 142 then SuperNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) when 143 then SymbolNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_location, load_optional_location, load_string) when 144 then TrueNode.new(source, node_id, location, load_varuint) when 145 then UndefNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_location) when 146 then UnlessNode.new(source, node_id, location, load_varuint, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) when 147 then UntilNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node) when 148 then WhenNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node) when 149 then WhileNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node) when 150 then XStringNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) when 151 then YieldNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location) end end else def load_node type = io.getbyte @load_node_lambdas[type].call end def define_load_node_lambdas @load_node_lambdas = [ nil, -> { node_id = load_varuint location = load_location AliasGlobalVariableNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location AliasMethodNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location AlternationPatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location AndNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location ArgumentsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location ArrayNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location ArrayPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location AssocNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_location) }, -> { node_id = load_varuint location = load_location AssocSplatNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location BackReferenceReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location BeginNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location BlockArgumentNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location BlockLocalVariableNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location BlockNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_optional_node, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location BlockParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location BlockParametersNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location BreakNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location CallAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location CallNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_required_constant, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) }, -> { node_id = load_varuint location = load_location CallOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location CallOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location CallTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_required_constant, load_location) }, -> { node_id = load_varuint location = load_location CapturePatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location CaseMatchNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location CaseNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location ClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ClassVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ClassVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location ConstantAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantPathAndWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantPathNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) }, -> { node_id = load_varuint location = load_location ConstantPathOperatorWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantPathOrWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantPathTargetNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) }, -> { node_id = load_varuint location = load_location ConstantPathWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location load_uint32 DefNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varuint) { load_required_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location DefinedNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location ElseNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location EmbeddedStatementsNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location EmbeddedVariableNode.new(source, node_id, location, load_varuint, load_location, load_node) }, -> { node_id = load_varuint location = load_location EnsureNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location FalseNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location FindPatternNode.new(source, node_id, location, load_varuint, load_optional_node, load_node, Array.new(load_varuint) { load_node }, load_node, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location FlipFlopNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location FloatNode.new(source, node_id, location, load_varuint, load_double) }, -> { node_id = load_varuint location = load_location ForNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location ForwardingArgumentsNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ForwardingParameterNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ForwardingSuperNode.new(source, node_id, location, load_varuint, load_optional_node) }, -> { node_id = load_varuint location = load_location GlobalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location GlobalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location GlobalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location GlobalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location GlobalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location GlobalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location HashNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location HashPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location IfNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location ImaginaryNode.new(source, node_id, location, load_varuint, load_node) }, -> { node_id = load_varuint location = load_location ImplicitNode.new(source, node_id, location, load_varuint, load_node) }, -> { node_id = load_varuint location = load_location ImplicitRestNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location InNode.new(source, node_id, location, load_varuint, load_node, load_optional_node, load_location, load_optional_location) }, -> { node_id = load_varuint location = load_location IndexAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location IndexOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location IndexOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location IndexTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_optional_node, load_location, load_optional_node) }, -> { node_id = load_varuint location = load_location InstanceVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location InstanceVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location InstanceVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location InstanceVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location InstanceVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location InstanceVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location IntegerNode.new(source, node_id, location, load_varuint, load_integer) }, -> { node_id = load_varuint location = load_location InterpolatedMatchLastLineNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location InterpolatedRegularExpressionNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location InterpolatedStringNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) }, -> { node_id = load_varuint location = load_location InterpolatedSymbolNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) }, -> { node_id = load_varuint location = load_location InterpolatedXStringNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location ItLocalVariableReadNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ItParametersNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location KeywordHashNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location KeywordRestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location LambdaNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_location, load_optional_node, load_optional_node) }, -> { node_id = load_varuint location = load_location LocalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location MatchLastLineNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) }, -> { node_id = load_varuint location = load_location MatchPredicateNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location MatchRequiredNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location MatchWriteNode.new(source, node_id, location, load_varuint, load_node, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location MissingNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ModuleNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_node, load_location, load_required_constant) }, -> { node_id = load_varuint location = load_location MultiTargetNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location MultiWriteNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location NextNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location NilNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location NoKeywordsParameterNode.new(source, node_id, location, load_varuint, load_location, load_location) }, -> { node_id = load_varuint location = load_location NumberedParametersNode.new(source, node_id, location, load_varuint, io.getbyte) }, -> { node_id = load_varuint location = load_location NumberedReferenceReadNode.new(source, node_id, location, load_varuint, load_varuint) }, -> { node_id = load_varuint location = load_location OptionalKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location OptionalParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location OrNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location ParametersNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_node) }, -> { node_id = load_varuint location = load_location ParenthesesNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location PinnedExpressionNode.new(source, node_id, location, load_varuint, load_node, load_location, load_location, load_location) }, -> { node_id = load_varuint location = load_location PinnedVariableNode.new(source, node_id, location, load_varuint, load_node, load_location) }, -> { node_id = load_varuint location = load_location PostExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) }, -> { node_id = load_varuint location = load_location PreExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) }, -> { node_id = load_varuint location = load_location ProgramNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_node) }, -> { node_id = load_varuint location = load_location RangeNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location RationalNode.new(source, node_id, location, load_varuint, load_integer, load_integer) }, -> { node_id = load_varuint location = load_location RedoNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location RegularExpressionNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) }, -> { node_id = load_varuint location = load_location RequiredKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location) }, -> { node_id = load_varuint location = load_location RequiredParameterNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location RescueModifierNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location RescueNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node) }, -> { node_id = load_varuint location = load_location RestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location RetryNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ReturnNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) }, -> { node_id = load_varuint location = load_location SelfNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ShareableConstantNode.new(source, node_id, location, load_varuint, load_node) }, -> { node_id = load_varuint location = load_location SingletonClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_node, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location SourceEncodingNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location SourceFileNode.new(source, node_id, location, load_varuint, load_string) }, -> { node_id = load_varuint location = load_location SourceLineNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location SplatNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) }, -> { node_id = load_varuint location = load_location StatementsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location StringNode.new(source, node_id, location, load_varuint, load_optional_location, load_location, load_optional_location, load_string) }, -> { node_id = load_varuint location = load_location SuperNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) }, -> { node_id = load_varuint location = load_location SymbolNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_location, load_optional_location, load_string) }, -> { node_id = load_varuint location = load_location TrueNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location UndefNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location UnlessNode.new(source, node_id, location, load_varuint, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location UntilNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node) }, -> { node_id = load_varuint location = load_location WhenNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node) }, -> { node_id = load_varuint location = load_location WhileNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node) }, -> { node_id = load_varuint location = load_location XStringNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) }, -> { node_id = load_varuint location = load_location YieldNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location) }, ] end end end # The token types that can be indexed by their enum values. TOKEN_TYPES = [ nil, :EOF, :MISSING, :NOT_PROVIDED, :AMPERSAND, :AMPERSAND_AMPERSAND, :AMPERSAND_AMPERSAND_EQUAL, :AMPERSAND_DOT, :AMPERSAND_EQUAL, :BACKTICK, :BACK_REFERENCE, :BANG, :BANG_EQUAL, :BANG_TILDE, :BRACE_LEFT, :BRACE_RIGHT, :BRACKET_LEFT, :BRACKET_LEFT_ARRAY, :BRACKET_LEFT_RIGHT, :BRACKET_LEFT_RIGHT_EQUAL, :BRACKET_RIGHT, :CARET, :CARET_EQUAL, :CHARACTER_LITERAL, :CLASS_VARIABLE, :COLON, :COLON_COLON, :COMMA, :COMMENT, :CONSTANT, :DOT, :DOT_DOT, :DOT_DOT_DOT, :EMBDOC_BEGIN, :EMBDOC_END, :EMBDOC_LINE, :EMBEXPR_BEGIN, :EMBEXPR_END, :EMBVAR, :EQUAL, :EQUAL_EQUAL, :EQUAL_EQUAL_EQUAL, :EQUAL_GREATER, :EQUAL_TILDE, :FLOAT, :FLOAT_IMAGINARY, :FLOAT_RATIONAL, :FLOAT_RATIONAL_IMAGINARY, :GLOBAL_VARIABLE, :GREATER, :GREATER_EQUAL, :GREATER_GREATER, :GREATER_GREATER_EQUAL, :HEREDOC_END, :HEREDOC_START, :IDENTIFIER, :IGNORED_NEWLINE, :INSTANCE_VARIABLE, :INTEGER, :INTEGER_IMAGINARY, :INTEGER_RATIONAL, :INTEGER_RATIONAL_IMAGINARY, :KEYWORD_ALIAS, :KEYWORD_AND, :KEYWORD_BEGIN, :KEYWORD_BEGIN_UPCASE, :KEYWORD_BREAK, :KEYWORD_CASE, :KEYWORD_CLASS, :KEYWORD_DEF, :KEYWORD_DEFINED, :KEYWORD_DO, :KEYWORD_DO_LOOP, :KEYWORD_ELSE, :KEYWORD_ELSIF, :KEYWORD_END, :KEYWORD_END_UPCASE, :KEYWORD_ENSURE, :KEYWORD_FALSE, :KEYWORD_FOR, :KEYWORD_IF, :KEYWORD_IF_MODIFIER, :KEYWORD_IN, :KEYWORD_MODULE, :KEYWORD_NEXT, :KEYWORD_NIL, :KEYWORD_NOT, :KEYWORD_OR, :KEYWORD_REDO, :KEYWORD_RESCUE, :KEYWORD_RESCUE_MODIFIER, :KEYWORD_RETRY, :KEYWORD_RETURN, :KEYWORD_SELF, :KEYWORD_SUPER, :KEYWORD_THEN, :KEYWORD_TRUE, :KEYWORD_UNDEF, :KEYWORD_UNLESS, :KEYWORD_UNLESS_MODIFIER, :KEYWORD_UNTIL, :KEYWORD_UNTIL_MODIFIER, :KEYWORD_WHEN, :KEYWORD_WHILE, :KEYWORD_WHILE_MODIFIER, :KEYWORD_YIELD, :KEYWORD___ENCODING__, :KEYWORD___FILE__, :KEYWORD___LINE__, :LABEL, :LABEL_END, :LAMBDA_BEGIN, :LESS, :LESS_EQUAL, :LESS_EQUAL_GREATER, :LESS_LESS, :LESS_LESS_EQUAL, :METHOD_NAME, :MINUS, :MINUS_EQUAL, :MINUS_GREATER, :NEWLINE, :NUMBERED_REFERENCE, :PARENTHESIS_LEFT, :PARENTHESIS_LEFT_PARENTHESES, :PARENTHESIS_RIGHT, :PERCENT, :PERCENT_EQUAL, :PERCENT_LOWER_I, :PERCENT_LOWER_W, :PERCENT_LOWER_X, :PERCENT_UPPER_I, :PERCENT_UPPER_W, :PIPE, :PIPE_EQUAL, :PIPE_PIPE, :PIPE_PIPE_EQUAL, :PLUS, :PLUS_EQUAL, :QUESTION_MARK, :REGEXP_BEGIN, :REGEXP_END, :SEMICOLON, :SLASH, :SLASH_EQUAL, :STAR, :STAR_EQUAL, :STAR_STAR, :STAR_STAR_EQUAL, :STRING_BEGIN, :STRING_CONTENT, :STRING_END, :SYMBOL_BEGIN, :TILDE, :UAMPERSAND, :UCOLON_COLON, :UDOT_DOT, :UDOT_DOT_DOT, :UMINUS, :UMINUS_NUM, :UPLUS, :USTAR, :USTAR_STAR, :WORDS_SEP, :__END__, ] end end Back

Edit File : serialize.rb | Size : 83.89 KB

# frozen_string_literal: true

=begin
This file is generated by the templates/template.rb script and should not be
modified manually. See templates/lib/prism/serialize.rb.erb
if you are looking to modify the template
=end

require "stringio"
require_relative "polyfill/unpack1"

module Prism
  # A module responsible for deserializing parse results.
  module Serialize
    # The major version of prism that we are expecting to find in the serialized
    # strings.
    MAJOR_VERSION = 1

# The minor version of prism that we are expecting to find in the serialized
    # strings.
    MINOR_VERSION = 2

# The patch version of prism that we are expecting to find in the serialized
    # strings.
    PATCH_VERSION = 0

# Deserialize the AST represented by the given string into a parse result.
    def self.load(input, serialized)
      input = input.dup
      source = Source.for(input)

loader = Loader.new(source, serialized)
      result = loader.load_result

input.force_encoding(loader.encoding)

# This is an extremely niche use-case where the file was marked as binary
      # but it contained UTF-8-encoded characters. In that case we will actually
      # put it back to UTF-8 to give the location APIs the best chance of being
      # correct.
      if !input.ascii_only? && input.encoding == Encoding::BINARY
        input.force_encoding(Encoding::UTF_8)
        input.force_encoding(Encoding::BINARY) unless input.valid_encoding?
      end

result
    end

# Deserialize the tokens represented by the given string into a parse
    # result.
    def self.load_tokens(source, serialized)
      Loader.new(source, serialized).load_tokens_result
    end

class Loader # :nodoc:
      if RUBY_ENGINE == "truffleruby"
        # StringIO is synchronized and that adds a high overhead on TruffleRuby.
        class FastStringIO # :nodoc:
          attr_accessor :pos

def initialize(string)
            @string = string
            @pos = 0
          end

def getbyte
            byte = @string.getbyte(@pos)
            @pos += 1
            byte
          end

def read(n)
            slice = @string.byteslice(@pos, n)
            @pos += n
            slice
          end

def eof?
            @pos >= @string.bytesize
          end
        end
      else
        FastStringIO = ::StringIO
      end
      private_constant :FastStringIO

attr_reader :encoding, :input, :serialized, :io
      attr_reader :constant_pool_offset, :constant_pool, :source
      attr_reader :start_line

def initialize(source, serialized)
        @encoding = Encoding::UTF_8

@input = source.source.dup
        raise unless serialized.encoding == Encoding::BINARY
        @serialized = serialized
        @io = FastStringIO.new(serialized)

@constant_pool_offset = nil
        @constant_pool = nil

@source = source
        define_load_node_lambdas unless RUBY_ENGINE == "ruby"
      end

def load_header
        raise "Invalid serialization" if io.read(5) != "PRISM"
        raise "Invalid serialization" if io.read(3).unpack("C3") != [MAJOR_VERSION, MINOR_VERSION, PATCH_VERSION]
        only_semantic_fields = io.getbyte
        unless only_semantic_fields == 0
          raise "Invalid serialization (location fields must be included but are not)"
        end
      end

def load_encoding
        @encoding = Encoding.find(io.read(load_varuint))
        @input = input.force_encoding(@encoding).freeze
        @encoding
      end

def load_start_line
        source.instance_variable_set :@start_line, load_varsint
      end

def load_line_offsets
        source.instance_variable_set :@offsets, Array.new(load_varuint) { load_varuint }
      end

def load_comments
        Array.new(load_varuint) do
          case load_varuint
          when 0 then InlineComment.new(load_location_object)
          when 1 then EmbDocComment.new(load_location_object)
          end
        end
      end

DIAGNOSTIC_TYPES = [
        :alias_argument,
        :alias_argument_numbered_reference,
        :ampampeq_multi_assign,
        :argument_after_block,
        :argument_after_forwarding_ellipses,
        :argument_bare_hash,
        :argument_block_forwarding,
        :argument_block_multi,
        :argument_conflict_ampersand,
        :argument_conflict_star,
        :argument_conflict_star_star,
        :argument_formal_class,
        :argument_formal_constant,
        :argument_formal_global,
        :argument_formal_ivar,
        :argument_forwarding_unbound,
        :argument_no_forwarding_ampersand,
        :argument_no_forwarding_ellipses,
        :argument_no_forwarding_star,
        :argument_no_forwarding_star_star,
        :argument_splat_after_assoc_splat,
        :argument_splat_after_splat,
        :argument_term_paren,
        :argument_unexpected_block,
        :array_element,
        :array_expression,
        :array_expression_after_star,
        :array_separator,
        :array_term,
        :begin_lonely_else,
        :begin_term,
        :begin_upcase_brace,
        :begin_upcase_term,
        :begin_upcase_toplevel,
        :block_param_local_variable,
        :block_param_pipe_term,
        :block_term_brace,
        :block_term_end,
        :cannot_parse_expression,
        :cannot_parse_string_part,
        :case_expression_after_case,
        :case_expression_after_when,
        :case_match_missing_predicate,
        :case_missing_conditions,
        :case_term,
        :class_in_method,
        :class_name,
        :class_superclass,
        :class_term,
        :class_unexpected_end,
        :class_variable_bare,
        :conditional_elsif_predicate,
        :conditional_if_predicate,
        :conditional_predicate_term,
        :conditional_term,
        :conditional_term_else,
        :conditional_unless_predicate,
        :conditional_until_predicate,
        :conditional_while_predicate,
        :constant_path_colon_colon_constant,
        :def_endless,
        :def_endless_setter,
        :def_name,
        :def_params_term,
        :def_params_term_paren,
        :def_receiver,
        :def_receiver_term,
        :def_term,
        :defined_expression,
        :embdoc_term,
        :embexpr_end,
        :embvar_invalid,
        :end_upcase_brace,
        :end_upcase_term,
        :escape_invalid_control,
        :escape_invalid_control_repeat,
        :escape_invalid_hexadecimal,
        :escape_invalid_meta,
        :escape_invalid_meta_repeat,
        :escape_invalid_unicode,
        :escape_invalid_unicode_cm_flags,
        :escape_invalid_unicode_list,
        :escape_invalid_unicode_literal,
        :escape_invalid_unicode_long,
        :escape_invalid_unicode_short,
        :escape_invalid_unicode_term,
        :expect_argument,
        :expect_eol_after_statement,
        :expect_expression_after_ampampeq,
        :expect_expression_after_comma,
        :expect_expression_after_equal,
        :expect_expression_after_less_less,
        :expect_expression_after_lparen,
        :expect_expression_after_operator,
        :expect_expression_after_pipepipeeq,
        :expect_expression_after_question,
        :expect_expression_after_splat,
        :expect_expression_after_splat_hash,
        :expect_expression_after_star,
        :expect_for_delimiter,
        :expect_ident_req_parameter,
        :expect_in_delimiter,
        :expect_lparen_req_parameter,
        :expect_message,
        :expect_rbracket,
        :expect_rparen,
        :expect_rparen_after_multi,
        :expect_rparen_req_parameter,
        :expect_singleton_class_delimiter,
        :expect_string_content,
        :expect_when_delimiter,
        :expression_bare_hash,
        :expression_not_writable,
        :expression_not_writable_encoding,
        :expression_not_writable_false,
        :expression_not_writable_file,
        :expression_not_writable_line,
        :expression_not_writable_nil,
        :expression_not_writable_numbered,
        :expression_not_writable_self,
        :expression_not_writable_true,
        :float_parse,
        :for_collection,
        :for_in,
        :for_index,
        :for_term,
        :global_variable_bare,
        :hash_expression_after_label,
        :hash_key,
        :hash_rocket,
        :hash_term,
        :hash_value,
        :heredoc_identifier,
        :heredoc_term,
        :incomplete_question_mark,
        :incomplete_variable_class,
        :incomplete_variable_class_3_3,
        :incomplete_variable_instance,
        :incomplete_variable_instance_3_3,
        :instance_variable_bare,
        :invalid_block_exit,
        :invalid_character,
        :invalid_comma,
        :invalid_encoding_magic_comment,
        :invalid_escape_character,
        :invalid_float_exponent,
        :invalid_local_variable_read,
        :invalid_local_variable_write,
        :invalid_multibyte_char,
        :invalid_multibyte_character,
        :invalid_multibyte_escape,
        :invalid_number_binary,
        :invalid_number_decimal,
        :invalid_number_fraction,
        :invalid_number_hexadecimal,
        :invalid_number_octal,
        :invalid_number_underscore_inner,
        :invalid_number_underscore_trailing,
        :invalid_percent,
        :invalid_percent_eof,
        :invalid_printable_character,
        :invalid_retry_after_else,
        :invalid_retry_after_ensure,
        :invalid_retry_without_rescue,
        :invalid_symbol,
        :invalid_variable_global,
        :invalid_variable_global_3_3,
        :invalid_yield,
        :it_not_allowed_numbered,
        :it_not_allowed_ordinary,
        :lambda_open,
        :lambda_term_brace,
        :lambda_term_end,
        :list_i_lower_element,
        :list_i_lower_term,
        :list_i_upper_element,
        :list_i_upper_term,
        :list_w_lower_element,
        :list_w_lower_term,
        :list_w_upper_element,
        :list_w_upper_term,
        :malloc_failed,
        :mixed_encoding,
        :module_in_method,
        :module_name,
        :module_term,
        :multi_assign_multi_splats,
        :multi_assign_unexpected_rest,
        :nesting_too_deep,
        :no_local_variable,
        :non_associative_operator,
        :not_expression,
        :number_literal_underscore,
        :numbered_parameter_inner_block,
        :numbered_parameter_it,
        :numbered_parameter_ordinary,
        :numbered_parameter_outer_block,
        :operator_multi_assign,
        :operator_write_arguments,
        :operator_write_block,
        :parameter_assoc_splat_multi,
        :parameter_block_multi,
        :parameter_circular,
        :parameter_forwarding_after_rest,
        :parameter_method_name,
        :parameter_name_duplicated,
        :parameter_no_default,
        :parameter_no_default_kw,
        :parameter_numbered_reserved,
        :parameter_order,
        :parameter_splat_multi,
        :parameter_star,
        :parameter_unexpected_fwd,
        :parameter_unexpected_no_kw,
        :parameter_wild_loose_comma,
        :pattern_array_multiple_rests,
        :pattern_capture_duplicate,
        :pattern_expression_after_bracket,
        :pattern_expression_after_comma,
        :pattern_expression_after_hrocket,
        :pattern_expression_after_in,
        :pattern_expression_after_key,
        :pattern_expression_after_paren,
        :pattern_expression_after_pin,
        :pattern_expression_after_pipe,
        :pattern_expression_after_range,
        :pattern_expression_after_rest,
        :pattern_find_missing_inner,
        :pattern_hash_implicit,
        :pattern_hash_key,
        :pattern_hash_key_duplicate,
        :pattern_hash_key_interpolated,
        :pattern_hash_key_label,
        :pattern_hash_key_locals,
        :pattern_ident_after_hrocket,
        :pattern_label_after_comma,
        :pattern_rest,
        :pattern_term_brace,
        :pattern_term_bracket,
        :pattern_term_paren,
        :pipepipeeq_multi_assign,
        :regexp_encoding_option_mismatch,
        :regexp_incompat_char_encoding,
        :regexp_invalid_unicode_range,
        :regexp_non_escaped_mbc,
        :regexp_parse_error,
        :regexp_term,
        :regexp_unknown_options,
        :regexp_utf8_char_non_utf8_regexp,
        :rescue_expression,
        :rescue_modifier_value,
        :rescue_term,
        :rescue_variable,
        :return_invalid,
        :script_not_found,
        :singleton_for_literals,
        :statement_alias,
        :statement_postexe_end,
        :statement_preexe_begin,
        :statement_undef,
        :string_concatenation,
        :string_interpolated_term,
        :string_literal_eof,
        :string_literal_term,
        :symbol_invalid,
        :symbol_term_dynamic,
        :symbol_term_interpolated,
        :ternary_colon,
        :ternary_expression_false,
        :ternary_expression_true,
        :unary_disallowed,
        :unary_receiver,
        :undef_argument,
        :unexpected_block_argument,
        :unexpected_index_block,
        :unexpected_index_keywords,
        :unexpected_label,
        :unexpected_multi_write,
        :unexpected_range_operator,
        :unexpected_safe_navigation,
        :unexpected_token_close_context,
        :unexpected_token_ignore,
        :until_term,
        :void_expression,
        :while_term,
        :write_target_in_method,
        :write_target_readonly,
        :write_target_unexpected,
        :xstring_term,
        :ambiguous_binary_operator,
        :ambiguous_first_argument_minus,
        :ambiguous_first_argument_plus,
        :ambiguous_prefix_ampersand,
        :ambiguous_prefix_star,
        :ambiguous_prefix_star_star,
        :ambiguous_slash,
        :comparison_after_comparison,
        :dot_dot_dot_eol,
        :equal_in_conditional,
        :equal_in_conditional_3_3,
        :end_in_method,
        :duplicated_hash_key,
        :duplicated_when_clause,
        :float_out_of_range,
        :ignored_frozen_string_literal,
        :indentation_mismatch,
        :integer_in_flip_flop,
        :invalid_character,
        :invalid_magic_comment_value,
        :invalid_numbered_reference,
        :keyword_eol,
        :literal_in_condition_default,
        :literal_in_condition_verbose,
        :shareable_constant_value_line,
        :shebang_carriage_return,
        :unexpected_carriage_return,
        :unreachable_statement,
        :unused_local_variable,
        :void_statement,
      ].freeze

private_constant :DIAGNOSTIC_TYPES

def load_metadata
        comments = load_comments
        magic_comments = Array.new(load_varuint) { MagicComment.new(load_location_object, load_location_object) }
        data_loc = load_optional_location_object
        errors = Array.new(load_varuint) { ParseError.new(DIAGNOSTIC_TYPES.fetch(load_varuint), load_embedded_string, load_location_object, load_error_level) }
        warnings = Array.new(load_varuint) { ParseWarning.new(DIAGNOSTIC_TYPES.fetch(load_varuint), load_embedded_string, load_location_object, load_warning_level) }
        [comments, magic_comments, data_loc, errors, warnings]
      end

def load_tokens
        tokens = []
        while type = TOKEN_TYPES.fetch(load_varuint)
          start = load_varuint
          length = load_varuint
          lex_state = load_varuint
          location = Location.new(@source, start, length)
          tokens << [Token.new(source, type, location.slice, location), lex_state]
        end

tokens
      end

def load_tokens_result
        tokens = load_tokens
        encoding = load_encoding
        load_start_line
        load_line_offsets
        comments, magic_comments, data_loc, errors, warnings = load_metadata
        tokens.each { |token,| token.value.force_encoding(encoding) }

raise "Expected to consume all bytes while deserializing" unless @io.eof?
        LexResult.new(tokens, comments, magic_comments, data_loc, errors, warnings, @source)
      end

def load_nodes
        load_header
        load_encoding
        load_start_line
        load_line_offsets

comments, magic_comments, data_loc, errors, warnings = load_metadata

@constant_pool_offset = load_uint32
        @constant_pool = Array.new(load_varuint, nil)

[load_node, comments, magic_comments, data_loc, errors, warnings]
      end

def load_result
        node, comments, magic_comments, data_loc, errors, warnings = load_nodes
        ParseResult.new(node, comments, magic_comments, data_loc, errors, warnings, @source)
      end

private

# variable-length integer using https://en.wikipedia.org/wiki/LEB128
      # This is also what protobuf uses: https://protobuf.dev/programming-guides/encoding/#varints
      def load_varuint
        n = io.getbyte
        if n < 128
          n
        else
          n -= 128
          shift = 0
          while (b = io.getbyte) >= 128
            n += (b - 128) << (shift += 7)
          end
          n + (b << (shift + 7))
        end
      end

def load_varsint
        n = load_varuint
        (n >> 1) ^ (-(n & 1))
      end

def load_integer
        negative = io.getbyte != 0
        length = load_varuint

value = 0
        length.times { |index| value |= (load_varuint << (index * 32)) }

value = -value if negative
        value
      end

def load_double
        io.read(8).unpack1("D")
      end

def load_uint32
        io.read(4).unpack1("L")
      end

def load_optional_node
        if io.getbyte != 0
          io.pos -= 1
          load_node
        end
      end

def load_embedded_string
        io.read(load_varuint).force_encoding(encoding)
      end

def load_string
        type = io.getbyte
        case type
        when 1
          input.byteslice(load_varuint, load_varuint).force_encoding(encoding)
        when 2
          load_embedded_string
        else
          raise "Unknown serialized string type: #{type}"
        end
      end

def load_location
        (load_varuint << 32) | load_varuint
      end

def load_location_object
        Location.new(source, load_varuint, load_varuint)
      end

def load_optional_location
        load_location if io.getbyte != 0
      end

def load_optional_location_object
        load_location_object if io.getbyte != 0
      end

def load_constant(index)
        constant = constant_pool[index]

unless constant
          offset = constant_pool_offset + index * 8
          start = @serialized.unpack1("L", offset: offset)
          length = @serialized.unpack1("L", offset: offset + 4)

constant =
            if start.nobits?(1 << 31)
              input.byteslice(start, length).force_encoding(@encoding).to_sym
            else
              @serialized.byteslice(start & ((1 << 31) - 1), length).force_encoding(@encoding).to_sym
            end

constant_pool[index] = constant
        end

constant
      end

def load_required_constant
        load_constant(load_varuint - 1)
      end

def load_optional_constant
        index = load_varuint
        load_constant(index - 1) if index != 0
      end

def load_error_level
        level = io.getbyte

case level
        when 0
          :syntax
        when 1
          :argument
        when 2
          :load
        else
          raise "Unknown level: #{level}"
        end
      end

def load_warning_level
        level = io.getbyte

case level
        when 0
          :default
        when 1
          :verbose
        else
          raise "Unknown level: #{level}"
        end
      end

if RUBY_ENGINE == "ruby"
        def load_node
          type = io.getbyte
          node_id = load_varuint
          location = load_location

case type
          when 1 then
            AliasGlobalVariableNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 2 then
            AliasMethodNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 3 then
            AlternationPatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 4 then
            AndNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 5 then
            ArgumentsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node })
          when 6 then
            ArrayNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
          when 7 then
            ArrayPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
          when 8 then
            AssocNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_location)
          when 9 then
            AssocSplatNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
          when 10 then
            BackReferenceReadNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 11 then
            BeginNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location)
          when 12 then
            BlockArgumentNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
          when 13 then
            BlockLocalVariableNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 14 then
            BlockNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_optional_node, load_optional_node, load_location, load_location)
          when 15 then
            BlockParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location)
          when 16 then
            BlockParametersNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
          when 17 then
            BreakNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
          when 18 then
            CallAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node)
          when 19 then
            CallNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_required_constant, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node)
          when 20 then
            CallOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_required_constant, load_location, load_node)
          when 21 then
            CallOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node)
          when 22 then
            CallTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_required_constant, load_location)
          when 23 then
            CapturePatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 24 then
            CaseMatchNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location)
          when 25 then
            CaseNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location)
          when 26 then
            ClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, load_required_constant)
          when 27 then
            ClassVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 28 then
            ClassVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
          when 29 then
            ClassVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 30 then
            ClassVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 31 then
            ClassVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 32 then
            ClassVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
          when 33 then
            ConstantAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 34 then
            ConstantOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
          when 35 then
            ConstantOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 36 then
            ConstantPathAndWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
          when 37 then
            ConstantPathNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location)
          when 38 then
            ConstantPathOperatorWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node, load_required_constant)
          when 39 then
            ConstantPathOrWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
          when 40 then
            ConstantPathTargetNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location)
          when 41 then
            ConstantPathWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
          when 42 then
            ConstantReadNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 43 then
            ConstantTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 44 then
            ConstantWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
          when 45 then
            load_uint32
            DefNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varuint) { load_required_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location)
          when 46 then
            DefinedNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_location)
          when 47 then
            ElseNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_optional_location)
          when 48 then
            EmbeddedStatementsNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location)
          when 49 then
            EmbeddedVariableNode.new(source, node_id, location, load_varuint, load_location, load_node)
          when 50 then
            EnsureNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location)
          when 51 then
            FalseNode.new(source, node_id, location, load_varuint)
          when 52 then
            FindPatternNode.new(source, node_id, location, load_varuint, load_optional_node, load_node, Array.new(load_varuint) { load_node }, load_node, load_optional_location, load_optional_location)
          when 53 then
            FlipFlopNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location)
          when 54 then
            FloatNode.new(source, node_id, location, load_varuint, load_double)
          when 55 then
            ForNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location)
          when 56 then
            ForwardingArgumentsNode.new(source, node_id, location, load_varuint)
          when 57 then
            ForwardingParameterNode.new(source, node_id, location, load_varuint)
          when 58 then
            ForwardingSuperNode.new(source, node_id, location, load_varuint, load_optional_node)
          when 59 then
            GlobalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 60 then
            GlobalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
          when 61 then
            GlobalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 62 then
            GlobalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 63 then
            GlobalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 64 then
            GlobalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
          when 65 then
            HashNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
          when 66 then
            HashPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_location, load_optional_location)
          when 67 then
            IfNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location)
          when 68 then
            ImaginaryNode.new(source, node_id, location, load_varuint, load_node)
          when 69 then
            ImplicitNode.new(source, node_id, location, load_varuint, load_node)
          when 70 then
            ImplicitRestNode.new(source, node_id, location, load_varuint)
          when 71 then
            InNode.new(source, node_id, location, load_varuint, load_node, load_optional_node, load_location, load_optional_location)
          when 72 then
            IndexAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node)
          when 73 then
            IndexOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_required_constant, load_location, load_node)
          when 74 then
            IndexOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node)
          when 75 then
            IndexTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_optional_node, load_location, load_optional_node)
          when 76 then
            InstanceVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 77 then
            InstanceVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
          when 78 then
            InstanceVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 79 then
            InstanceVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 80 then
            InstanceVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 81 then
            InstanceVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
          when 82 then
            IntegerNode.new(source, node_id, location, load_varuint, load_integer)
          when 83 then
            InterpolatedMatchLastLineNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
          when 84 then
            InterpolatedRegularExpressionNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
          when 85 then
            InterpolatedStringNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location)
          when 86 then
            InterpolatedSymbolNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location)
          when 87 then
            InterpolatedXStringNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
          when 88 then
            ItLocalVariableReadNode.new(source, node_id, location, load_varuint)
          when 89 then
            ItParametersNode.new(source, node_id, location, load_varuint)
          when 90 then
            KeywordHashNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node })
          when 91 then
            KeywordRestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location)
          when 92 then
            LambdaNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_location, load_optional_node, load_optional_node)
          when 93 then
            LocalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint)
          when 94 then
            LocalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_required_constant, load_varuint)
          when 95 then
            LocalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint)
          when 96 then
            LocalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint)
          when 97 then
            LocalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint)
          when 98 then
            LocalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint, load_location, load_node, load_location)
          when 99 then
            MatchLastLineNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string)
          when 100 then
            MatchPredicateNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 101 then
            MatchRequiredNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 102 then
            MatchWriteNode.new(source, node_id, location, load_varuint, load_node, Array.new(load_varuint) { load_node })
          when 103 then
            MissingNode.new(source, node_id, location, load_varuint)
          when 104 then
            ModuleNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_node, load_location, load_required_constant)
          when 105 then
            MultiTargetNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
          when 106 then
            MultiWriteNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location, load_location, load_node)
          when 107 then
            NextNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
          when 108 then
            NilNode.new(source, node_id, location, load_varuint)
          when 109 then
            NoKeywordsParameterNode.new(source, node_id, location, load_varuint, load_location, load_location)
          when 110 then
            NumberedParametersNode.new(source, node_id, location, load_varuint, io.getbyte)
          when 111 then
            NumberedReferenceReadNode.new(source, node_id, location, load_varuint, load_varuint)
          when 112 then
            OptionalKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node)
          when 113 then
            OptionalParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
          when 114 then
            OrNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
          when 115 then
            ParametersNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_node)
          when 116 then
            ParenthesesNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location)
          when 117 then
            PinnedExpressionNode.new(source, node_id, location, load_varuint, load_node, load_location, load_location, load_location)
          when 118 then
            PinnedVariableNode.new(source, node_id, location, load_varuint, load_node, load_location)
          when 119 then
            PostExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location)
          when 120 then
            PreExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location)
          when 121 then
            ProgramNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_node)
          when 122 then
            RangeNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location)
          when 123 then
            RationalNode.new(source, node_id, location, load_varuint, load_integer, load_integer)
          when 124 then
            RedoNode.new(source, node_id, location, load_varuint)
          when 125 then
            RegularExpressionNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string)
          when 126 then
            RequiredKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location)
          when 127 then
            RequiredParameterNode.new(source, node_id, location, load_varuint, load_required_constant)
          when 128 then
            RescueModifierNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
          when 129 then
            RescueNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node)
          when 130 then
            RestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location)
          when 131 then
            RetryNode.new(source, node_id, location, load_varuint)
          when 132 then
            ReturnNode.new(source, node_id, location, load_varuint, load_location, load_optional_node)
          when 133 then
            SelfNode.new(source, node_id, location, load_varuint)
          when 134 then
            ShareableConstantNode.new(source, node_id, location, load_varuint, load_node)
          when 135 then
            SingletonClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_node, load_optional_node, load_location)
          when 136 then
            SourceEncodingNode.new(source, node_id, location, load_varuint)
          when 137 then
            SourceFileNode.new(source, node_id, location, load_varuint, load_string)
          when 138 then
            SourceLineNode.new(source, node_id, location, load_varuint)
          when 139 then
            SplatNode.new(source, node_id, location, load_varuint, load_location, load_optional_node)
          when 140 then
            StatementsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node })
          when 141 then
            StringNode.new(source, node_id, location, load_varuint, load_optional_location, load_location, load_optional_location, load_string)
          when 142 then
            SuperNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node)
          when 143 then
            SymbolNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_location, load_optional_location, load_string)
          when 144 then
            TrueNode.new(source, node_id, location, load_varuint)
          when 145 then
            UndefNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_location)
          when 146 then
            UnlessNode.new(source, node_id, location, load_varuint, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location)
          when 147 then
            UntilNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node)
          when 148 then
            WhenNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node)
          when 149 then
            WhileNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node)
          when 150 then
            XStringNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string)
          when 151 then
            YieldNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location)
          end
        end
      else
        def load_node
          type = io.getbyte
          @load_node_lambdas[type].call
        end

def define_load_node_lambdas
          @load_node_lambdas = [
            nil,
            -> {
              node_id = load_varuint
              location = load_location
              AliasGlobalVariableNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              AliasMethodNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              AlternationPatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              AndNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ArgumentsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node })
            },
            -> {
              node_id = load_varuint
              location = load_location
              ArrayNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ArrayPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              AssocNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              AssocSplatNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BackReferenceReadNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BeginNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BlockArgumentNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BlockLocalVariableNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BlockNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_optional_node, load_optional_node, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BlockParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BlockParametersNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              BreakNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CallAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CallNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_required_constant, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CallOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_required_constant, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CallOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CallTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_required_constant, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CapturePatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CaseMatchNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              CaseNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ClassVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantPathAndWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantPathNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantPathOperatorWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantPathOrWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantPathTargetNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantPathWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantReadNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ConstantWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              load_uint32
              DefNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varuint) { load_required_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              DefinedNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ElseNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              EmbeddedStatementsNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              EmbeddedVariableNode.new(source, node_id, location, load_varuint, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              EnsureNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              FalseNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              FindPatternNode.new(source, node_id, location, load_varuint, load_optional_node, load_node, Array.new(load_varuint) { load_node }, load_node, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              FlipFlopNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              FloatNode.new(source, node_id, location, load_varuint, load_double)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ForNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ForwardingArgumentsNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ForwardingParameterNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ForwardingSuperNode.new(source, node_id, location, load_varuint, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              GlobalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              GlobalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              GlobalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              GlobalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              GlobalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              GlobalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              HashNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              HashPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              IfNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ImaginaryNode.new(source, node_id, location, load_varuint, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ImplicitNode.new(source, node_id, location, load_varuint, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ImplicitRestNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InNode.new(source, node_id, location, load_varuint, load_node, load_optional_node, load_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              IndexAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              IndexOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_required_constant, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              IndexOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              IndexTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_optional_node, load_location, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InstanceVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InstanceVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InstanceVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InstanceVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InstanceVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InstanceVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              IntegerNode.new(source, node_id, location, load_varuint, load_integer)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InterpolatedMatchLastLineNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InterpolatedRegularExpressionNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InterpolatedStringNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InterpolatedSymbolNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              InterpolatedXStringNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ItLocalVariableReadNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ItParametersNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              KeywordHashNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node })
            },
            -> {
              node_id = load_varuint
              location = load_location
              KeywordRestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LambdaNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_location, load_optional_node, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LocalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LocalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_required_constant, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LocalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LocalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LocalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              LocalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint, load_location, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              MatchLastLineNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string)
            },
            -> {
              node_id = load_varuint
              location = load_location
              MatchPredicateNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              MatchRequiredNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              MatchWriteNode.new(source, node_id, location, load_varuint, load_node, Array.new(load_varuint) { load_node })
            },
            -> {
              node_id = load_varuint
              location = load_location
              MissingNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ModuleNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_node, load_location, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              MultiTargetNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              MultiWriteNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              NextNode.new(source, node_id, location, load_varuint, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              NilNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              NoKeywordsParameterNode.new(source, node_id, location, load_varuint, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              NumberedParametersNode.new(source, node_id, location, load_varuint, io.getbyte)
            },
            -> {
              node_id = load_varuint
              location = load_location
              NumberedReferenceReadNode.new(source, node_id, location, load_varuint, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              OptionalKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              OptionalParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              OrNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ParametersNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ParenthesesNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              PinnedExpressionNode.new(source, node_id, location, load_varuint, load_node, load_location, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              PinnedVariableNode.new(source, node_id, location, load_varuint, load_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              PostExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              PreExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ProgramNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RangeNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RationalNode.new(source, node_id, location, load_varuint, load_integer, load_integer)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RedoNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RegularExpressionNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RequiredKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RequiredParameterNode.new(source, node_id, location, load_varuint, load_required_constant)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RescueModifierNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RescueNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              RetryNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ReturnNode.new(source, node_id, location, load_varuint, load_location, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SelfNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              ShareableConstantNode.new(source, node_id, location, load_varuint, load_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SingletonClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_node, load_optional_node, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SourceEncodingNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SourceFileNode.new(source, node_id, location, load_varuint, load_string)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SourceLineNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SplatNode.new(source, node_id, location, load_varuint, load_location, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              StatementsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node })
            },
            -> {
              node_id = load_varuint
              location = load_location
              StringNode.new(source, node_id, location, load_varuint, load_optional_location, load_location, load_optional_location, load_string)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SuperNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              SymbolNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_location, load_optional_location, load_string)
            },
            -> {
              node_id = load_varuint
              location = load_location
              TrueNode.new(source, node_id, location, load_varuint)
            },
            -> {
              node_id = load_varuint
              location = load_location
              UndefNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              UnlessNode.new(source, node_id, location, load_varuint, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location)
            },
            -> {
              node_id = load_varuint
              location = load_location
              UntilNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              WhenNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              WhileNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_location, load_node, load_optional_node)
            },
            -> {
              node_id = load_varuint
              location = load_location
              XStringNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string)
            },
            -> {
              node_id = load_varuint
              location = load_location
              YieldNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location)
            },
          ]
        end
      end
    end

# The token types that can be indexed by their enum values.
    TOKEN_TYPES = [
      nil,
      :EOF,
      :MISSING,
      :NOT_PROVIDED,
      :AMPERSAND,
      :AMPERSAND_AMPERSAND,
      :AMPERSAND_AMPERSAND_EQUAL,
      :AMPERSAND_DOT,
      :AMPERSAND_EQUAL,
      :BACKTICK,
      :BACK_REFERENCE,
      :BANG,
      :BANG_EQUAL,
      :BANG_TILDE,
      :BRACE_LEFT,
      :BRACE_RIGHT,
      :BRACKET_LEFT,
      :BRACKET_LEFT_ARRAY,
      :BRACKET_LEFT_RIGHT,
      :BRACKET_LEFT_RIGHT_EQUAL,
      :BRACKET_RIGHT,
      :CARET,
      :CARET_EQUAL,
      :CHARACTER_LITERAL,
      :CLASS_VARIABLE,
      :COLON,
      :COLON_COLON,
      :COMMA,
      :COMMENT,
      :CONSTANT,
      :DOT,
      :DOT_DOT,
      :DOT_DOT_DOT,
      :EMBDOC_BEGIN,
      :EMBDOC_END,
      :EMBDOC_LINE,
      :EMBEXPR_BEGIN,
      :EMBEXPR_END,
      :EMBVAR,
      :EQUAL,
      :EQUAL_EQUAL,
      :EQUAL_EQUAL_EQUAL,
      :EQUAL_GREATER,
      :EQUAL_TILDE,
      :FLOAT,
      :FLOAT_IMAGINARY,
      :FLOAT_RATIONAL,
      :FLOAT_RATIONAL_IMAGINARY,
      :GLOBAL_VARIABLE,
      :GREATER,
      :GREATER_EQUAL,
      :GREATER_GREATER,
      :GREATER_GREATER_EQUAL,
      :HEREDOC_END,
      :HEREDOC_START,
      :IDENTIFIER,
      :IGNORED_NEWLINE,
      :INSTANCE_VARIABLE,
      :INTEGER,
      :INTEGER_IMAGINARY,
      :INTEGER_RATIONAL,
      :INTEGER_RATIONAL_IMAGINARY,
      :KEYWORD_ALIAS,
      :KEYWORD_AND,
      :KEYWORD_BEGIN,
      :KEYWORD_BEGIN_UPCASE,
      :KEYWORD_BREAK,
      :KEYWORD_CASE,
      :KEYWORD_CLASS,
      :KEYWORD_DEF,
      :KEYWORD_DEFINED,
      :KEYWORD_DO,
      :KEYWORD_DO_LOOP,
      :KEYWORD_ELSE,
      :KEYWORD_ELSIF,
      :KEYWORD_END,
      :KEYWORD_END_UPCASE,
      :KEYWORD_ENSURE,
      :KEYWORD_FALSE,
      :KEYWORD_FOR,
      :KEYWORD_IF,
      :KEYWORD_IF_MODIFIER,
      :KEYWORD_IN,
      :KEYWORD_MODULE,
      :KEYWORD_NEXT,
      :KEYWORD_NIL,
      :KEYWORD_NOT,
      :KEYWORD_OR,
      :KEYWORD_REDO,
      :KEYWORD_RESCUE,
      :KEYWORD_RESCUE_MODIFIER,
      :KEYWORD_RETRY,
      :KEYWORD_RETURN,
      :KEYWORD_SELF,
      :KEYWORD_SUPER,
      :KEYWORD_THEN,
      :KEYWORD_TRUE,
      :KEYWORD_UNDEF,
      :KEYWORD_UNLESS,
      :KEYWORD_UNLESS_MODIFIER,
      :KEYWORD_UNTIL,
      :KEYWORD_UNTIL_MODIFIER,
      :KEYWORD_WHEN,
      :KEYWORD_WHILE,
      :KEYWORD_WHILE_MODIFIER,
      :KEYWORD_YIELD,
      :KEYWORD___ENCODING__,
      :KEYWORD___FILE__,
      :KEYWORD___LINE__,
      :LABEL,
      :LABEL_END,
      :LAMBDA_BEGIN,
      :LESS,
      :LESS_EQUAL,
      :LESS_EQUAL_GREATER,
      :LESS_LESS,
      :LESS_LESS_EQUAL,
      :METHOD_NAME,
      :MINUS,
      :MINUS_EQUAL,
      :MINUS_GREATER,
      :NEWLINE,
      :NUMBERED_REFERENCE,
      :PARENTHESIS_LEFT,
      :PARENTHESIS_LEFT_PARENTHESES,
      :PARENTHESIS_RIGHT,
      :PERCENT,
      :PERCENT_EQUAL,
      :PERCENT_LOWER_I,
      :PERCENT_LOWER_W,
      :PERCENT_LOWER_X,
      :PERCENT_UPPER_I,
      :PERCENT_UPPER_W,
      :PIPE,
      :PIPE_EQUAL,
      :PIPE_PIPE,
      :PIPE_PIPE_EQUAL,
      :PLUS,
      :PLUS_EQUAL,
      :QUESTION_MARK,
      :REGEXP_BEGIN,
      :REGEXP_END,
      :SEMICOLON,
      :SLASH,
      :SLASH_EQUAL,
      :STAR,
      :STAR_EQUAL,
      :STAR_STAR,
      :STAR_STAR_EQUAL,
      :STRING_BEGIN,
      :STRING_CONTENT,
      :STRING_END,
      :SYMBOL_BEGIN,
      :TILDE,
      :UAMPERSAND,
      :UCOLON_COLON,
      :UDOT_DOT,
      :UDOT_DOT_DOT,
      :UMINUS,
      :UMINUS_NUM,
      :UPLUS,
      :USTAR,
      :USTAR_STAR,
      :WORDS_SEP,
      :__END__,
    ]
  end
end

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