Class: Evoasm::Population::SeedBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/evoasm/population/seed_builder.rb

Defined Under Namespace

Classes: Kernel

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(population, instructions, &block) ⇒ SeedBuilder

Returns a new instance of SeedBuilder



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# File 'lib/evoasm/population/seed_builder.rb', line 72

def initialize(population, instructions, &block)
  @population = population
  @instructions = instructions

  case architecture
  when :x64
    @jmp_cond_enum_type = Libevoasm.enum_type :x64_jmp_cond
    @inst_id_enum_type = Libevoasm.enum_type :x64_inst_id
  else
    raise
  end

  @kernels = []

  instance_eval &block
end

Instance Attribute Details

#instructions ⇒ Object (readonly)

Returns the value of attribute instructions



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# File 'lib/evoasm/population/seed_builder.rb', line 5

def instructions
  @instructions
end

#population ⇒ Object (readonly)

Returns the value of attribute population



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# File 'lib/evoasm/population/seed_builder.rb', line 6

def population
  @population
end

Instance Method Details

#allowed_instruction_name?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/evoasm/population/seed_builder.rb', line 93

def allowed_instruction_name?(name)
  @instructions.include? name
end

#architecture ⇒ Object 



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# File 'lib/evoasm/population/seed_builder.rb', line 68

def architecture
  @population.architecture
end

#instruction_name?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/evoasm/population/seed_builder.rb', line 89

def instruction_name?(name)
  !@inst_id_enum_type[name].nil?
end

#kernel(&block) ⇒ Object 



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# File 'lib/evoasm/population/seed_builder.rb', line 97

def kernel(&block)
  @kernels << Kernel.new(self, &block)
end

#seed_population! ⇒ Object 



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# File 'lib/evoasm/population/seed_builder.rb', line 41

def seed_population!
  kernels = Libevoasm.deme_kernels_alloc
  success = Libevoasm.deme_kernels_init kernels, @population.parameters, architecture, @kernels.size

  unless success
    Libevoasm.deme_kernels_free kernels
    raise Error.last
  end

  @kernels.each do |kernel, kernel_index|
    kernel.instructions.each_with_index do |instruction, instruction_index|
      inst_id, params_hash = instruction
      parameters = Evoasm::X64::BasicParameters.new(params_hash)
      Libevoasm.deme_kernels_set_inst kernels, kernel_index, instruction_index, inst_id, parameters
    end
    Libevoasm.deme_kernels_set_size kernels, kernel_index, kernel.instructions.size
  end

  success = Libevoasm.pop_seed @population, kernels

  Libevoasm.deme_kernels_free kernels

  unless success
    raise Error.last
  end
end