Class: CastOff::Compiler::Iseq::Args

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/cast_off/compile/iseq.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#bug, #dlog, #todo, #vlog

Constructor Details

#initialize(args, iseq) ⇒ Args 



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# File 'lib/cast_off/compile/iseq.rb', line 15

def initialize(args, iseq)
  @iseq = iseq
  case args
  when Integer
    @argc, @opts, @post_len, @post_start, @rest_index, @block_index, @simple = args, [], 0, 0, -1, -1, 1
  when Array
    bug() unless args.size == 7
    @argc, @opts, @post_len, @post_start, @rest_index, @block_index, @simple = args
  else
    bug()
  end
  @opt_len = @opts.empty? ? 0 : (@opts.size() - 1)
  @arg_size = @argc + @opt_len + @post_len + (@rest_index == -1 ? 0 : 1) + (@block_index == -1 ? 0 : 1)

  case @iseq.itype
  when :method
    bug() if @simple == 2
  when :block
    # nothing to do
  else
    bug()
  end

  if @rest_index != -1
    bug() unless @rest_index + 1 == @post_start
    bug() unless @argc + @opt_len == @rest_index
  end
end

Instance Attribute Details

#arg_size ⇒ Object (readonly)

Returns the value of attribute arg_size.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def arg_size
  @arg_size
end

#argc ⇒ Object (readonly)

Returns the value of attribute argc.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def argc
  @argc
end

#block_index ⇒ Object (readonly)

Returns the value of attribute block_index.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def block_index
  @block_index
end

#opt_len ⇒ Object (readonly)

Returns the value of attribute opt_len.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def opt_len
  @opt_len
end

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def opts
  @opts
end

#post_len ⇒ Object (readonly)

Returns the value of attribute post_len.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def post_len
  @post_len
end

#post_start ⇒ Object (readonly)

Returns the value of attribute post_start.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def post_start
  @post_start
end

#rest_index ⇒ Object (readonly)

Returns the value of attribute rest_index.



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# File 'lib/cast_off/compile/iseq.rb', line 13

def rest_index
  @rest_index
end

Instance Method Details

#block? ⇒ Boolean 



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# File 'lib/cast_off/compile/iseq.rb', line 52

def block?
  @block_index != -1
end

#opt? ⇒ Boolean 



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# File 'lib/cast_off/compile/iseq.rb', line 56

def opt?
  not @opts.empty?
end

#post? ⇒ Boolean 



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# File 'lib/cast_off/compile/iseq.rb', line 44

def post?
  @post_len != 0
end

#rest? ⇒ Boolean 



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# File 'lib/cast_off/compile/iseq.rb', line 48

def rest?
  @rest_index != -1
end

#simple? ⇒ Boolean 



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# File 'lib/cast_off/compile/iseq.rb', line 60

def simple?
  (@simple & 0x01) != 0
end

#splat? ⇒ Boolean 



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# File 'lib/cast_off/compile/iseq.rb', line 64

def splat?
  (@simple & 0x02 == 0) && (@argc + @post_len > 0)
end