mirror of
https://github.com/ruby/ruby.git
synced 2025-08-24 05:25:34 +02:00
cc7f765f2c
This commit is the initial sync of all files from ruby/yarp into ruby/ruby. Notably, it does the following: * Sync all ruby/yarp/lib/ files to ruby/ruby/lib/yarp * Sync all ruby/yarp/src/ files to ruby/ruby/yarp/ * Sync all ruby/yarp/test/ files to ruby/ruby/test/yarp
367 lines
19 KiB
Ruby
367 lines
19 KiB
Ruby
# frozen_string_literal: true
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=begin
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This file is generated by the bin/template script and should not be
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modified manually. See templates/lib/yarp/serialize.rb.erb
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if you are looking to modify the template
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=end
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require "stringio"
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module YARP
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module Serialize
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def self.load(source, serialized)
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io = StringIO.new(serialized)
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io.set_encoding(Encoding::BINARY)
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Loader.new(source, serialized, io).load
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end
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class Loader
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attr_reader :encoding, :source, :serialized, :io
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attr_reader :constant_pool_offset, :constant_pool
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def initialize(source, serialized, io)
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@encoding = Encoding::UTF_8
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@source = source.dup
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@serialized = serialized
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@io = io
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@constant_pool_offset = nil
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@constant_pool = nil
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end
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def load
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io.read(4) => "YARP"
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io.read(3).unpack("C3") => [0, 4, 0]
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@encoding = Encoding.find(io.read(load_varint))
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@source = source.force_encoding(@encoding).freeze
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@constant_pool_offset = io.read(4).unpack1("L")
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@constant_pool = Array.new(load_varint, nil)
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load_node
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end
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private
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# variable-length integer using https://en.wikipedia.org/wiki/LEB128
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# This is also what protobuf uses: https://protobuf.dev/programming-guides/encoding/#varints
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def load_varint
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n = io.getbyte
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if n < 128
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n
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else
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n -= 128
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shift = 0
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while (b = io.getbyte) >= 128
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n += (b - 128) << (shift += 7)
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end
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n + (b << (shift + 7))
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end
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end
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def load_serialized_length
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io.read(4).unpack1("L")
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end
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def load_optional_node
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if io.getbyte != 0
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io.pos -= 1
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load_node
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end
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end
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def load_string
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io.read(load_varint).force_encoding(encoding)
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end
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def load_location
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Location.new(load_varint, load_varint)
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end
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def load_optional_location
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load_location if io.getbyte != 0
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end
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def load_constant
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index = load_varint - 1
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constant = constant_pool[index]
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unless constant
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offset = constant_pool_offset + index * 8
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start = serialized.unpack1("L", offset: offset)
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length = serialized.unpack1("L", offset: offset + 4)
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constant = source.byteslice(start, length).to_sym
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constant_pool[index] = constant
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end
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constant
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end
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def load_node
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type = io.getbyte
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start_offset, length = load_varint, load_varint
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case type
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when 1 then
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AliasNode.new(load_node, load_node, load_location, start_offset, length)
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when 2 then
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AlternationPatternNode.new(load_node, load_node, load_location, start_offset, length)
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when 3 then
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AndNode.new(load_node, load_node, load_location, start_offset, length)
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when 4 then
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ArgumentsNode.new(Array.new(load_varint) { load_node }, start_offset, length)
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when 5 then
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ArrayNode.new(Array.new(load_varint) { load_node }, load_optional_location, load_optional_location, start_offset, length)
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when 6 then
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ArrayPatternNode.new(load_optional_node, Array.new(load_varint) { load_node }, load_optional_node, Array.new(load_varint) { load_node }, load_optional_location, load_optional_location, start_offset, length)
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when 7 then
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AssocNode.new(load_node, load_optional_node, load_optional_location, start_offset, length)
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when 8 then
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AssocSplatNode.new(load_optional_node, load_location, start_offset, length)
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when 9 then
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BackReferenceReadNode.new(start_offset, length)
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when 10 then
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BeginNode.new(load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location, start_offset, length)
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when 11 then
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BlockArgumentNode.new(load_optional_node, load_location, start_offset, length)
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when 12 then
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BlockNode.new(Array.new(load_varint) { load_constant }, load_optional_node, load_optional_node, load_location, load_location, start_offset, length)
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when 13 then
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BlockParameterNode.new(load_optional_location, load_location, start_offset, length)
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when 14 then
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BlockParametersNode.new(load_optional_node, Array.new(load_varint) { load_location }, load_optional_location, load_optional_location, start_offset, length)
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when 15 then
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BreakNode.new(load_optional_node, load_location, start_offset, length)
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when 16 then
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CallNode.new(load_optional_node, load_optional_location, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node, load_varint, load_string, start_offset, length)
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when 17 then
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CallOperatorAndWriteNode.new(load_node, load_location, load_node, start_offset, length)
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when 18 then
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CallOperatorOrWriteNode.new(load_node, load_node, load_location, start_offset, length)
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when 19 then
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CallOperatorWriteNode.new(load_node, load_location, load_node, load_constant, start_offset, length)
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when 20 then
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CapturePatternNode.new(load_node, load_node, load_location, start_offset, length)
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when 21 then
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CaseNode.new(load_optional_node, Array.new(load_varint) { load_node }, load_optional_node, load_location, load_location, start_offset, length)
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when 22 then
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ClassNode.new(Array.new(load_varint) { load_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, start_offset, length)
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when 23 then
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ClassVariableOperatorAndWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 24 then
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ClassVariableOperatorOrWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 25 then
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ClassVariableOperatorWriteNode.new(load_location, load_location, load_node, load_constant, start_offset, length)
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when 26 then
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ClassVariableReadNode.new(start_offset, length)
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when 27 then
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ClassVariableWriteNode.new(load_location, load_optional_node, load_optional_location, start_offset, length)
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when 28 then
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ConstantOperatorAndWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 29 then
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ConstantOperatorOrWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 30 then
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ConstantOperatorWriteNode.new(load_location, load_location, load_node, load_constant, start_offset, length)
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when 31 then
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ConstantPathNode.new(load_optional_node, load_node, load_location, start_offset, length)
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when 32 then
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ConstantPathOperatorAndWriteNode.new(load_node, load_location, load_node, start_offset, length)
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when 33 then
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ConstantPathOperatorOrWriteNode.new(load_node, load_location, load_node, start_offset, length)
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when 34 then
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ConstantPathOperatorWriteNode.new(load_node, load_location, load_node, load_constant, start_offset, length)
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when 35 then
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ConstantPathWriteNode.new(load_node, load_optional_location, load_optional_node, start_offset, length)
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when 36 then
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ConstantReadNode.new(start_offset, length)
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when 37 then
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load_serialized_length
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DefNode.new(load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varint) { load_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, start_offset, length)
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when 38 then
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DefinedNode.new(load_optional_location, load_node, load_optional_location, load_location, start_offset, length)
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when 39 then
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ElseNode.new(load_location, load_optional_node, load_optional_location, start_offset, length)
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when 40 then
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EmbeddedStatementsNode.new(load_location, load_optional_node, load_location, start_offset, length)
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when 41 then
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EmbeddedVariableNode.new(load_location, load_node, start_offset, length)
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when 42 then
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EnsureNode.new(load_location, load_optional_node, load_location, start_offset, length)
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when 43 then
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FalseNode.new(start_offset, length)
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when 44 then
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FindPatternNode.new(load_optional_node, load_node, Array.new(load_varint) { load_node }, load_node, load_optional_location, load_optional_location, start_offset, length)
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when 45 then
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FloatNode.new(start_offset, length)
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when 46 then
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ForNode.new(load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location, start_offset, length)
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when 47 then
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ForwardingArgumentsNode.new(start_offset, length)
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when 48 then
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ForwardingParameterNode.new(start_offset, length)
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when 49 then
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ForwardingSuperNode.new(load_optional_node, start_offset, length)
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when 50 then
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GlobalVariableOperatorAndWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 51 then
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GlobalVariableOperatorOrWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 52 then
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GlobalVariableOperatorWriteNode.new(load_location, load_location, load_node, load_constant, start_offset, length)
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when 53 then
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GlobalVariableReadNode.new(start_offset, length)
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when 54 then
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GlobalVariableWriteNode.new(load_location, load_optional_location, load_optional_node, start_offset, length)
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when 55 then
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HashNode.new(load_location, Array.new(load_varint) { load_node }, load_location, start_offset, length)
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when 56 then
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HashPatternNode.new(load_optional_node, Array.new(load_varint) { load_node }, load_optional_node, load_optional_location, load_optional_location, start_offset, length)
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when 57 then
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IfNode.new(load_optional_location, load_node, load_optional_node, load_optional_node, load_optional_location, start_offset, length)
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when 58 then
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ImaginaryNode.new(load_node, start_offset, length)
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when 59 then
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InNode.new(load_node, load_optional_node, load_location, load_optional_location, start_offset, length)
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when 60 then
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InstanceVariableOperatorAndWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 61 then
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InstanceVariableOperatorOrWriteNode.new(load_location, load_location, load_node, start_offset, length)
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when 62 then
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InstanceVariableOperatorWriteNode.new(load_location, load_location, load_node, load_constant, start_offset, length)
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when 63 then
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InstanceVariableReadNode.new(start_offset, length)
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when 64 then
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InstanceVariableWriteNode.new(load_location, load_optional_node, load_optional_location, start_offset, length)
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when 65 then
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IntegerNode.new(start_offset, length)
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when 66 then
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InterpolatedRegularExpressionNode.new(load_location, Array.new(load_varint) { load_node }, load_location, load_varint, start_offset, length)
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when 67 then
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InterpolatedStringNode.new(load_optional_location, Array.new(load_varint) { load_node }, load_optional_location, start_offset, length)
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when 68 then
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InterpolatedSymbolNode.new(load_optional_location, Array.new(load_varint) { load_node }, load_optional_location, start_offset, length)
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when 69 then
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InterpolatedXStringNode.new(load_location, Array.new(load_varint) { load_node }, load_location, start_offset, length)
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when 70 then
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KeywordHashNode.new(Array.new(load_varint) { load_node }, start_offset, length)
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when 71 then
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KeywordParameterNode.new(load_location, load_optional_node, start_offset, length)
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when 72 then
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KeywordRestParameterNode.new(load_location, load_optional_location, start_offset, length)
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when 73 then
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LambdaNode.new(Array.new(load_varint) { load_constant }, load_location, load_optional_node, load_optional_node, start_offset, length)
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when 74 then
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LocalVariableOperatorAndWriteNode.new(load_location, load_location, load_node, load_constant, start_offset, length)
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when 75 then
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LocalVariableOperatorOrWriteNode.new(load_location, load_location, load_node, load_constant, start_offset, length)
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when 76 then
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LocalVariableOperatorWriteNode.new(load_location, load_location, load_node, load_constant, load_constant, start_offset, length)
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when 77 then
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LocalVariableReadNode.new(load_constant, load_varint, start_offset, length)
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when 78 then
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LocalVariableWriteNode.new(load_constant, load_varint, load_optional_node, load_location, load_optional_location, start_offset, length)
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when 79 then
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MatchPredicateNode.new(load_node, load_node, load_location, start_offset, length)
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when 80 then
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MatchRequiredNode.new(load_node, load_node, load_location, start_offset, length)
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when 81 then
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MissingNode.new(start_offset, length)
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when 82 then
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ModuleNode.new(Array.new(load_varint) { load_constant }, load_location, load_node, load_optional_node, load_location, start_offset, length)
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when 83 then
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MultiWriteNode.new(Array.new(load_varint) { load_node }, load_optional_location, load_optional_node, load_optional_location, load_optional_location, start_offset, length)
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when 84 then
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NextNode.new(load_optional_node, load_location, start_offset, length)
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when 85 then
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NilNode.new(start_offset, length)
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when 86 then
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NoKeywordsParameterNode.new(load_location, load_location, start_offset, length)
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when 87 then
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NumberedReferenceReadNode.new(start_offset, length)
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when 88 then
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OptionalParameterNode.new(load_constant, load_location, load_location, load_node, start_offset, length)
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when 89 then
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OrNode.new(load_node, load_node, load_location, start_offset, length)
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when 90 then
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ParametersNode.new(Array.new(load_varint) { load_node }, Array.new(load_varint) { load_node }, Array.new(load_varint) { load_node }, load_optional_node, Array.new(load_varint) { load_node }, load_optional_node, load_optional_node, start_offset, length)
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when 91 then
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ParenthesesNode.new(load_optional_node, load_location, load_location, start_offset, length)
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when 92 then
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PinnedExpressionNode.new(load_node, load_location, load_location, load_location, start_offset, length)
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when 93 then
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PinnedVariableNode.new(load_node, load_location, start_offset, length)
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when 94 then
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PostExecutionNode.new(load_optional_node, load_location, load_location, load_location, start_offset, length)
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when 95 then
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PreExecutionNode.new(load_optional_node, load_location, load_location, load_location, start_offset, length)
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when 96 then
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ProgramNode.new(Array.new(load_varint) { load_constant }, load_node, start_offset, length)
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when 97 then
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RangeNode.new(load_optional_node, load_optional_node, load_location, load_varint, start_offset, length)
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when 98 then
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RationalNode.new(load_node, start_offset, length)
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when 99 then
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RedoNode.new(start_offset, length)
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when 100 then
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RegularExpressionNode.new(load_location, load_location, load_location, load_string, load_varint, start_offset, length)
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when 101 then
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RequiredDestructuredParameterNode.new(Array.new(load_varint) { load_node }, load_location, load_location, start_offset, length)
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when 102 then
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RequiredParameterNode.new(load_constant, start_offset, length)
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when 103 then
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RescueModifierNode.new(load_node, load_location, load_node, start_offset, length)
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when 104 then
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RescueNode.new(load_location, Array.new(load_varint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node, start_offset, length)
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when 105 then
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RestParameterNode.new(load_location, load_optional_location, start_offset, length)
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when 106 then
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RetryNode.new(start_offset, length)
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when 107 then
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ReturnNode.new(load_location, load_optional_node, start_offset, length)
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when 108 then
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SelfNode.new(start_offset, length)
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when 109 then
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SingletonClassNode.new(Array.new(load_varint) { load_constant }, load_location, load_location, load_node, load_optional_node, load_location, start_offset, length)
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when 110 then
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SourceEncodingNode.new(start_offset, length)
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when 111 then
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SourceFileNode.new(load_string, start_offset, length)
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when 112 then
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SourceLineNode.new(start_offset, length)
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when 113 then
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SplatNode.new(load_location, load_optional_node, start_offset, length)
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when 114 then
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StatementsNode.new(Array.new(load_varint) { load_node }, start_offset, length)
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when 115 then
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StringConcatNode.new(load_node, load_node, start_offset, length)
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when 116 then
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StringNode.new(load_optional_location, load_location, load_optional_location, load_string, start_offset, length)
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when 117 then
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SuperNode.new(load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node, start_offset, length)
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when 118 then
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SymbolNode.new(load_optional_location, load_location, load_optional_location, load_string, start_offset, length)
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when 119 then
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TrueNode.new(start_offset, length)
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when 120 then
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UndefNode.new(Array.new(load_varint) { load_node }, load_location, start_offset, length)
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when 121 then
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UnlessNode.new(load_location, load_node, load_optional_node, load_optional_node, load_optional_location, start_offset, length)
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when 122 then
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UntilNode.new(load_location, load_node, load_optional_node, start_offset, length)
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when 123 then
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WhenNode.new(load_location, Array.new(load_varint) { load_node }, load_optional_node, start_offset, length)
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when 124 then
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WhileNode.new(load_location, load_node, load_optional_node, start_offset, length)
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when 125 then
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XStringNode.new(load_location, load_location, load_location, load_string, start_offset, length)
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when 126 then
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YieldNode.new(load_location, load_optional_location, load_optional_node, load_optional_location, start_offset, length)
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end
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end
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end
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end
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end
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