Class: Marshalsea::Marshal::Parser

Inherits:
Object
  • Object
show all
Includes:
Constants
Defined in:
lib/marshalsea/marshal/parser.rb

Constant Summary

Constants included from Constants

Constants::BIGNUM_SIGNS, Constants::BIGNUM_SIGN_NEGATIVE, Constants::BIGNUM_SIGN_POSITIVE, Constants::BIGNUM_WORD_BYTES, Constants::BITS_PER_BYTE, Constants::BYTE_MODULUS, Constants::BYTE_SIGN_THRESHOLD, Constants::CLASS_NAME_TYPES, Constants::DEFAULT_MAX_DEPTH, Constants::FIXNUM_INLINE_OFFSET, Constants::FIXNUM_MAX_INLINE, Constants::FIXNUM_MAX_WIDTH, Constants::FIXNUM_MIN_INLINE, Constants::FLOAT_DECIMAL_PREFIX, Constants::FLOAT_HEX_PREFIX, Constants::FLOAT_INFINITY, Constants::FLOAT_LEADING_SPACE, Constants::FLOAT_NAN, Constants::FLOAT_NEGATIVE_INFINITY, Constants::GATED_SINK_TAGS, Constants::HEADER_LENGTH, Constants::MAJOR_VERSION, Constants::MINOR_VERSION, Constants::NUL_BYTE, Constants::RANGE_CLASS_NAME, Constants::RANGE_ENDPOINT_IVARS, Constants::REGISTERED_WRAPPER_TYPES, Constants::ROLE_ANOMALY, Constants::ROLE_ARRAY, Constants::ROLE_BIGNUM, Constants::ROLE_HASH, Constants::ROLE_IVAR, Constants::ROLE_LENGTH, Constants::ROLE_STRUCT, Constants::SINK_METHODS, Constants::SINK_TAGS, Constants::TAG_ARRAY, Constants::TAG_BIGNUM, Constants::TAG_CLASS, Constants::TAG_DATA, Constants::TAG_EXTENDED, Constants::TAG_FALSE, Constants::TAG_FIXNUM, Constants::TAG_FLOAT, Constants::TAG_HASH, Constants::TAG_HASH_DEFAULT, Constants::TAG_IVAR, Constants::TAG_MODULE, Constants::TAG_MODULE_OLD, Constants::TAG_NIL, Constants::TAG_OBJECT, Constants::TAG_OBJECT_LINK, Constants::TAG_REGEXP, Constants::TAG_STRING, Constants::TAG_STRUCT, Constants::TAG_SYMBOL, Constants::TAG_SYMLINK, Constants::TAG_TRUE, Constants::TAG_USERCLASS, Constants::TAG_USERDEF, Constants::TAG_USERMARSHAL

Instance Method Summary collapse

Constructor Details

#initialize(source, max_depth: nil, limits: Limits.new) ⇒ Parser

Returns a new instance of Parser.

Raises:



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# File 'lib/marshalsea/marshal/parser.rb', line 10

def initialize(source, max_depth: nil, limits: Limits.new)
  raise InputTypeError, "expected String, got #{source.class}" unless source.is_a?(String)

  @limits = limits
  @max_depth = max_depth || limits.max_depth
  enforce_size(source)
  @source = source.dup.force_encoding(Encoding::BINARY)
  @budget = Budget.new(limits)
  @position = 0
  @symbols = []
  @objects = []
  @role_anomalies = []
end

Instance Method Details

#parse ⇒ Object

Raises:



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# File 'lib/marshalsea/marshal/parser.rb', line 24

def parse
  read_header
  root = read_value(1)
  raise TrailingBytesError, "#{remaining} unread bytes" unless remaining.zero?

  root.each(&:seal)
  Result.new(root, major: @major, minor: @minor,
                   role_anomalies: @role_anomalies.freeze).freeze
end