class RubyVM::RJIT::CPointer::Immediate
Public Class Methods
define(fiddle_type)
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@param fiddle_type [Integer] Fiddle::TYPE_*
Calls superclass method
# File ruby_vm/rjit/c_pointer.rb, line 207 def self.define(fiddle_type) size = Fiddle::PackInfo::SIZE_MAP.fetch(fiddle_type) pack = Fiddle::PackInfo::PACK_MAP.fetch(fiddle_type) Class.new(self) do define_method(:initialize) do |addr| super(addr, size, pack) end define_singleton_method(:size) do size end # Type-level []=: Used by struct fields define_singleton_method(:[]=) do |addr, value| Fiddle::Pointer.new(addr)[0, size] = [value].pack(pack) end end end
new(addr, size, pack)
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@param addr [Integer] @param size [Integer] @param pack [String]
# File ruby_vm/rjit/c_pointer.rb, line 169 def initialize(addr, size, pack) @addr = addr @size = size @pack = pack end
Public Instance Methods
*()
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Dereference
# File ruby_vm/rjit/c_pointer.rb, line 186 def * self[0] end
+(index)
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Move addr to addess this pointer like an array
# File ruby_vm/rjit/c_pointer.rb, line 181 def +(index) Immediate.new(@addr + index * @size, @size, @pack) end
[](index)
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Array access
# File ruby_vm/rjit/c_pointer.rb, line 191 def [](index) return nil if @addr == 0 Fiddle::Pointer.new(@addr + index * @size)[0, @size].unpack1(@pack) end
[]=(index, value)
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Array set
# File ruby_vm/rjit/c_pointer.rb, line 197 def []=(index, value) Fiddle::Pointer.new(@addr + index * @size)[0, @size] = [value].pack(@pack) end
to_i()
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Get a raw address
# File ruby_vm/rjit/c_pointer.rb, line 176 def to_i @addr end
to_s()
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Serialized address for generated code. Used for embedding things like body->iseq_encoded.
# File ruby_vm/rjit/c_pointer.rb, line 202 def to_s "0x#{Integer(@addr).to_s(16)}" end