Class: RString

Inherits:
String show all
Defined in:
lib/ruby/mirror/rstring.rb

Instance Attribute Summary

Attributes inherited from String

#length, #ptr

Instance Method Summary collapse

Methods inherited from String

#!=, #*, #+, #==, #[], #[]=, #empty?, #ord, #reverse!, #size, #to_s, #to_wasm

Constructor Details

#initialize(wasm_instance, rlang_obj_addr) ⇒ RString

Turn a Rlang String object into a Ruby String mirror object



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# File 'lib/ruby/mirror/rstring.rb', line 9

def initialize(wasm_instance, rlang_obj_addr)
  stg_ptr = wasm_instance.exports.string_i_ptr.call(rlang_obj_addr)
  stg_length = wasm_instance.exports.string_i_length.call(rlang_obj_addr)
  mem8 = wasm_instance.exports.memory.uint8_view stg_ptr
  ruby_stg = 0.upto(stg_length-1).collect {|i| mem8[i].chr}.join('')
  super(ruby_stg)
end