Class: Fisk::Instruction

Inherits:

Object

• Object
• Fisk::Instruction

Includes:

InstructionPredicates

Defined in:

lib/fisk.rb

Instance Method Summary

• #encode(buffer, labels) ⇒ Object
• #encodings ⇒ Object
• #has_temp_registers? ⇒ Boolean
• #initialize(insn, form, operands) ⇒ Instruction constructor

  A new instance of Instruction.

• #temp_registers ⇒ Object

Methods included from InstructionPredicates

#comment?, #jump?, #label?, #lazy?, #retry?

Constructor Details

#initialize(insn, form, operands) ⇒ Instruction

Returns a new instance of Instruction.

# File 'lib/fisk.rb', line 371

def initialize insn, form, operands
  @insn     = insn
  @form     = form
  @operands = operands
end

Instance Method Details

#encode(buffer, labels) ⇒ Object

# File 'lib/fisk.rb', line 389

def encode buffer, labels
  encoding = @form.encodings.first
  encoding.encode buffer, @operands
end

#encodings ⇒ Object

# File 'lib/fisk.rb', line 385

def encodings
  @form.encodings
end

#has_temp_registers? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/fisk.rb', line 377

def has_temp_registers?
  @operands.any?(&:temp_register?)
end

#temp_registers ⇒ Object

# File 'lib/fisk.rb', line 381

def temp_registers
  @operands.find_all(&:temp_register?)
end