Class: DTRCore::InstructionValidator

Inherits:
Object
  • Object
show all
Includes:
Common
Defined in:
lib/dtr_core/instruction_validator.rb

Overview

Instruction validator for DTR types.

Instance Method Summary collapse

Methods included from Common

#capture_section, #clean_name, #split_strip_select

Constructor Details

#initialize(instruction) ⇒ InstructionValidator

Returns a new instance of InstructionValidator.



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# File 'lib/dtr_core/instruction_validator.rb', line 10

def initialize(instruction)
  @instruction = instruction

  validate_input!
end

Instance Method Details

#valid? ⇒ Boolean

rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/MethodLength

Returns:

  • (Boolean) 


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# File 'lib/dtr_core/instruction_validator.rb', line 18

def valid?
  return false unless scope_valid?

  case @instruction.instruction
  when 'assign', 'evaluate', 'print'
    validate_basic_operation!
  when 'exit_with_message', 'return'
    validate_terminating_operation!
  when 'and', 'or'
    validate_logical_operation!
  when 'goto', 'jump', 'end_of_iteration_check', 'label'
    validate_control_flow_operation!
  when 'field', 'instantiate_object'
    validate_object_operation!
  when 'add', 'subtract', 'multiply', 'divide'
    validate_binary_operation!
  when 'increment'
    true
  else
    false
  end
end