Class: Opal::Rewriters::InlineArgs::Initializer

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 87
def initialize(args, type:)
 @args = Arguments .new (args.children)
 @inline = []
 @initialization = []
 @type = type
 @underscore_found = false
 STEPS .each do |step|
 send(step)
 end
 if @initialization.any?
 @initialization = s(:begin, *@initialization)
 else
 @initialization = nil
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 68
def initialization
 @initialization
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 68
def inline
 @inline
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 214
def args_to_keep
 @args.postargs.length
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 119
def extract_args
 @args.args.each do |arg|
 if @type == :iter
 # block args are not required,
 # so we neeed to tell compiler that required args
 # must be initialized with nil-s
 @initialization << arg.updated(:initialize_iter_arg)
 if arg.children[0] == :_
 if @underscore_found
 # for proc { |_, _| _ }.call(1, 2) result must be 1
 # here we convert all underscore args starting from the 2nd
 # to a "fake" arg
 arg = s(:fake_arg)
 end
 @underscore_found = true
 end
 else
 # required inline def argument like 'def m(req)'
 # no initialization is required
 end
 @inline << arg
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 107
def extract_blockarg
 if (arg = @args.blockarg)
 @initialization << arg.updated(:extract_blockarg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 164
def extract_kwargs
 @args.kwargs.each do |arg|
 @initialization << arg.updated(:extract_kwarg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 170
def extract_kwoptargs
 @args.kwoptargs.each do |arg|
 @initialization << arg.updated(:extract_kwoptarg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 176
def extract_kwrestarg
 if (arg = @args.kwrestarg)
 @initialization << arg.updated(:extract_kwrestarg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 190
def extract_optargs
 has_post_args = @args.has_post_args?
 @args.optargs.each do |arg|
 if has_post_args
 # optional post argument like 'def m(opt = 1, a)'
 arg_name, default_value = *arg
 @initialization << arg.updated(:extract_post_optarg, [arg_name, default_value, args_to_keep])
 @inline << s(:fake_arg)
 else
 # optional inline argument like 'def m(a, opt = 1)'
 @inline << arg.updated(:arg)
 @initialization << arg.updated(:extract_optarg)
 end
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 182
def extract_post_args
 # post arguments must be extracted with an offset
 @args.postargs.each do |arg|
 @initialization << arg.updated(:extract_post_arg)
 @inline << s(:fake_arg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 206
def extract_restarg
 if (arg = @args.restarg)
 arg_name = arg.children[0]
 @initialization << arg.updated(:extract_restarg, [arg_name, args_to_keep])
 @inline << s(:fake_arg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 113
def initialize_shadowargs
 @args.shadowargs.each do |arg|
 @initialization << arg.updated(:initialize_shadowarg)
 end
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 151
def prepare_kwargs
 return unless @args.has_any_kwargs?
 if @args.can_inline_kwargs?
 @inline << s(:arg, :$kwargs')
 else
 @initialization << s(:extract_kwargs)
 @inline << s(:fake_arg)
 end
 @initialization << s(:ensure_kwargs_are_kwargs)
end

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# File 'opal/lib/opal/rewriters/inline_args.rb', line 145
def prepare_post_args
 if @args.has_post_args?
 @initialization << s(:prepare_post_args, @args.args.length)
 end
end