Class: Steep::Drivers::Utils::Validator

Inherits:
Object
  • Object
show all
Defined in:
lib/steep/drivers/utils/validator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stdout:, stderr:, verbose:) ⇒ Validator



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# File 'lib/steep/drivers/utils/validator.rb', line 9

def initialize(stdout:, stderr:, verbose:)
  @stdout = stdout
  @stderr = stderr
  @verbose = verbose
end

Instance Attribute Details

#stderrObject (readonly)

Returns the value of attribute stderr.



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# File 'lib/steep/drivers/utils/validator.rb', line 6

def stderr
  @stderr
end

#stdoutObject (readonly)

Returns the value of attribute stdout.



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# File 'lib/steep/drivers/utils/validator.rb', line 5

def stdout
  @stdout
end

#verboseObject (readonly)

Returns the value of attribute verbose.



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# File 'lib/steep/drivers/utils/validator.rb', line 7

def verbose
  @verbose
end

Instance Method Details

#run(env:, builder:, check:) ⇒ Object



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# File 'lib/steep/drivers/utils/validator.rb', line 15

def run(env:, builder:, check:)
  result = true

  env.each do |sig|
    yield sig if block_given?

    case sig
    when AST::Signature::Interface
      yield_self do
        instance_name = TypeName::Interface.new(name: sig.name)
        instance_interface = builder.build(instance_name)

        args = instance_interface.params.map {|var| AST::Types::Var.fresh(var) }
        instance_type = AST::Types::Name.new_interface(name: sig.name, args: args)

        instance_interface.instantiate(type: instance_type,
                                       args: args,
                                       instance_type: instance_type,
                                       module_type: nil).validate(check)
      end

    when AST::Signature::Module
      yield_self do
        instance_name = TypeName::Instance.new(name: sig.name)
        instance_interface = builder.build(instance_name)
        instance_args = instance_interface.params.map {|var| AST::Types::Var.fresh(var) }

        module_name = TypeName::Module.new(name: sig.name)
        module_interface = builder.build(module_name)
        module_args = module_interface.params.map {|var| AST::Types::Var.fresh(var) }

        instance_type = AST::Types::Name.new_instance(name: sig.name, args: instance_args)
        module_type = AST::Types::Name.new_module(name: sig.name, args: module_args)

        stdout.puts "👀 Validating instance methods..." if verbose
        instance_interface.instantiate(type: instance_type,
                                       args: instance_args,
                                       instance_type: instance_type,
                                       module_type: module_type).validate(check)

        stdout.puts "👀 Validating class methods..." if verbose
        module_interface.instantiate(type: module_type,
                                     args: module_args,
                                     instance_type: instance_type,
                                     module_type: module_type).validate(check)
      end

    when AST::Signature::Class
      yield_self do
        instance_name = TypeName::Instance.new(name: sig.name)
        instance_interface = builder.build(instance_name)
        instance_args = instance_interface.params.map {|var| AST::Types::Var.fresh(var) }

        module_name = TypeName::Class.new(name: sig.name, constructor: nil)
        module_interface = builder.build(module_name)
        module_args = module_interface.params.map {|var| AST::Types::Var.fresh(var) }

        instance_type = AST::Types::Name.new_instance(name: sig.name, args: instance_args)
        module_type = AST::Types::Name.new_class(name: sig.name, args: module_args, constructor: nil)

        stdout.puts "👀 Validating instance methods..." if verbose
        instance_interface.instantiate(type: instance_type,
                                       args: instance_args,
                                       instance_type: instance_type,
                                       module_type: module_type).validate(check)

        stdout.puts "👀 Validating class methods..." if verbose
        module_interface.instantiate(type: module_type,
                                     args: module_args,
                                     instance_type: instance_type,
                                     module_type: module_type).validate(check)
      end
    end

  rescue Interface::Instantiated::InvalidMethodOverrideError => exn
    result = false
    stdout.puts "😱 #{exn.message}"
    exn.result.trace.each do |s, t|
      case s
      when Interface::Method
        stdout.puts "  #{s.name}(#{s.type_name}) <: #{t.name}(#{t.type_name})"
      when Interface::MethodType
        stdout.puts "  #{s.location.source} <: #{t.location.source} (#{s.location.name}:#{s.location.start_line})"
      else
        stdout.puts "  #{s} <: #{t}"
      end
    end
    stdout.puts "  🚨 #{exn.result.error.message}"

  rescue Interface::Instantiated::InvalidIvarOverrideError => exn
    result = false
    stdout.puts "😱 #{exn.message}"

  end

  result
end