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Name	Size	Permission	Date
bigdecimal	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
cgi	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
did_you_mean	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
digest	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
erb	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
error_highlight	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
forwardable	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
io	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
json	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
net	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
objspace	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
open3	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
openssl	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
optparse	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
prism	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
psych	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
random	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
ripper	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
set	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
strscan	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
syntax_suggest	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
unicode_normalize	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
uri	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
vendor_ruby	[ DIR ]	drwxr-xr-x	2026-04-24 16:07
yaml	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
English.rb	5.96 KB	-rw-r--r--	2026-04-24 16:08
bundled_gems.rb	8.41 KB	-rw-r--r--	2026-04-24 16:08
cgi.rb	311 B	-rw-r--r--	2026-04-24 16:08
coverage.rb	517 B	-rw-r--r--	2026-04-24 16:08
date.rb	1.17 KB	-rw-r--r--	2026-04-24 16:08
delegate.rb	11.96 KB	-rw-r--r--	2026-04-24 16:08
did_you_mean.rb	4.51 KB	-rw-r--r--	2026-04-24 16:08
digest.rb	3.3 KB	-rw-r--r--	2026-04-24 16:08
erb.rb	32.57 KB	-rw-r--r--	2026-04-24 16:08
error_highlight.rb	84 B	-rw-r--r--	2026-04-24 16:08
expect.rb	2.19 KB	-rw-r--r--	2026-04-24 16:08
fileutils.rb	79.18 KB	-rw-r--r--	2026-04-24 16:08
find.rb	2.54 KB	-rw-r--r--	2026-04-24 16:08
forwardable.rb	8.81 KB	-rw-r--r--	2026-04-24 16:08
ipaddr.rb	22.86 KB	-rw-r--r--	2026-04-24 16:08
json.rb	21.45 KB	-rw-r--r--	2026-04-24 16:08
mkmf.rb	93.16 KB	-rw-r--r--	2026-04-24 16:08
monitor.rb	6.97 KB	-rw-r--r--	2026-04-24 16:08
objspace.rb	4.14 KB	-rw-r--r--	2026-04-24 16:08
open-uri.rb	28.58 KB	-rw-r--r--	2026-04-24 16:08
open3.rb	47.51 KB	-rw-r--r--	2026-04-24 16:08
openssl.rb	1.24 KB	-rw-r--r--	2026-04-24 16:08
optionparser.rb	59 B	-rw-r--r--	2026-04-24 16:08
optparse.rb	65.44 KB	-rw-r--r--	2026-04-24 16:08
pathname.rb	2 KB	-rw-r--r--	2026-04-24 16:08
pp.rb	19.21 KB	-rw-r--r--	2026-04-24 16:08
prettyprint.rb	15.95 KB	-rw-r--r--	2026-04-24 16:08
prism.rb	3.74 KB	-rw-r--r--	2026-04-24 16:08
psych.rb	26.05 KB	-rw-r--r--	2026-04-24 16:08
resolv.rb	88.39 KB	-rw-r--r--	2026-04-24 16:08
ripper.rb	2.44 KB	-rw-r--r--	2026-04-24 16:08
securerandom.rb	2.28 KB	-rw-r--r--	2026-04-24 16:08
shellwords.rb	7.53 KB	-rw-r--r--	2026-04-24 16:08
singleton.rb	5.59 KB	-rw-r--r--	2026-04-24 16:08
socket.rb	61.26 KB	-rw-r--r--	2026-04-24 16:08
syntax_suggest.rb	74 B	-rw-r--r--	2026-04-24 16:08
tempfile.rb	20.7 KB	-rw-r--r--	2026-04-24 16:08
time.rb	24.01 KB	-rw-r--r--	2026-04-24 16:08
timeout.rb	10.48 KB	-rw-r--r--	2026-04-24 16:08
tmpdir.rb	5.62 KB	-rw-r--r--	2026-04-24 16:08
tsort.rb	14.36 KB	-rw-r--r--	2026-04-24 16:08
un.rb	11.17 KB	-rw-r--r--	2026-04-24 16:08
uri.rb	3.09 KB	-rw-r--r--	2026-04-24 16:08
weakref.rb	1.39 KB	-rw-r--r--	2026-04-24 16:08
yaml.rb	2.16 KB	-rw-r--r--	2026-04-24 16:08

Rename

# frozen_string_literal: true
# :markup: markdown

# The Prism Ruby parser.
#
# "Parsing Ruby is suddenly manageable!"
#   - You, hopefully
#
module Prism
  # There are many files in prism that are templated to handle every node type,
  # which means the files can end up being quite large. We autoload them to make
  # our require speed faster since consuming libraries are unlikely to use all
  # of these features.

autoload :BasicVisitor, "prism/visitor"
  autoload :Compiler, "prism/compiler"
  autoload :DesugarCompiler, "prism/desugar_compiler"
  autoload :Dispatcher, "prism/dispatcher"
  autoload :DotVisitor, "prism/dot_visitor"
  autoload :DSL, "prism/dsl"
  autoload :InspectVisitor, "prism/inspect_visitor"
  autoload :LexCompat, "prism/lex_compat"
  autoload :LexRipper, "prism/lex_ripper"
  autoload :MutationCompiler, "prism/mutation_compiler"
  autoload :Pack, "prism/pack"
  autoload :Pattern, "prism/pattern"
  autoload :Reflection, "prism/reflection"
  autoload :Relocation, "prism/relocation"
  autoload :Serialize, "prism/serialize"
  autoload :StringQuery, "prism/string_query"
  autoload :Translation, "prism/translation"
  autoload :Visitor, "prism/visitor"

# Some of these constants are not meant to be exposed, so marking them as
  # private here.

private_constant :LexCompat
  private_constant :LexRipper

# Raised when requested to parse as the currently running Ruby version but Prism has no support for it.
  class CurrentVersionError < ArgumentError
    # Initialize a new exception for the given ruby version string.
    def initialize(version)
      message = +"invalid version: Requested to parse as `version: 'current'`; "
      segments =
        if version.match?(/\A\d+\.\d+.\d+\z/)
          version.split(".").map(&:to_i)
        end

if segments && ((segments[0] < 3) || (segments[0] == 3 && segments[1] < 3))
        message << " #{version} is below the minimum supported syntax."
      else
        message << " #{version} is unknown. Please update the `prism` gem."
      end

super(message)
    end
  end

# :call-seq:
  #   Prism::lex_compat(source, **options) -> LexCompat::Result
  #
  # Returns a parse result whose value is an array of tokens that closely
  # resembles the return value of Ripper::lex. The main difference is that the
  # `:on_sp` token is not emitted.
  #
  # For supported options, see Prism::parse.
  def self.lex_compat(source, **options)
    LexCompat.new(source, **options).result # steep:ignore
  end

# :call-seq:
  #   Prism::lex_ripper(source) -> Array
  #
  # This lexes with the Ripper lex. It drops any space events but otherwise
  # returns the same tokens. Raises SyntaxError if the syntax in source is
  # invalid.
  def self.lex_ripper(source)
    LexRipper.new(source).result # steep:ignore
  end

# :call-seq:
  #   Prism::load(source, serialized, freeze) -> ParseResult
  #
  # Load the serialized AST using the source as a reference into a tree.
  def self.load(source, serialized, freeze = false)
    Serialize.load_parse(source, serialized, freeze)
  end
end

require_relative "prism/polyfill/byteindex"
require_relative "prism/polyfill/warn"
require_relative "prism/node"
require_relative "prism/node_ext"
require_relative "prism/parse_result"

# This is a Ruby implementation of the prism parser. If we're running on CRuby
# and we haven't explicitly set the PRISM_FFI_BACKEND environment variable, then
# it's going to require the built library. Otherwise, it's going to require a
# module that uses FFI to call into the library.
if RUBY_ENGINE == "ruby" and !ENV["PRISM_FFI_BACKEND"]
  # The C extension is the default backend on CRuby.
  Prism::BACKEND = :CEXT

require "prism/prism"
else
  # The FFI backend is used on other Ruby implementations.
  Prism::BACKEND = :FFI

require_relative "prism/ffi"
end