Class: Atomy::Code::Pattern::And

Inherits:
Atomy::Code::Pattern show all
Defined in:
lib/atomy/code/pattern/and.rb

Instance Attribute Summary

Attributes inherited from Atomy::Code::Pattern

#node

Instance Method Summary collapse

Methods inherited from Atomy::Code::Pattern

#splat?

Constructor Details

#initialize(a, b) ⇒ And

Returns a new instance of And.



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# File 'lib/atomy/code/pattern/and.rb', line 8

def initialize(a, b)
  @a = a
  @b = b
end

Instance Method Details

#assign(gen) ⇒ Object 



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# File 'lib/atomy/code/pattern/and.rb', line 23

def assign(gen)
  # [value, pattern, value, pattern]
  gen.dup_many(2)

  # [pattern, value, value, pattern]
  gen.swap

  # [a pattern, value, value, pattern]
  gen.send(:a, 0)

  # [value, a pattern, value, pattern]
  gen.swap

  # [value, a pattern, value, pattern]
  @a.assign(gen)

  # [value, pattern]
  gen.pop_many(2)

  # [value, pattern, value, pattern]
  gen.dup_many(2)

  # [pattern, value, value, pattern]
  gen.swap

  # [b pattern, value, value, pattern]
  gen.send(:b, 0)

  # [value, b pattern, value, pattern]
  gen.swap

  # [value, b pattern, value, pattern]
  @b.assign(gen)

  # [value, pattern]
  gen.pop_many(2)
end

#bytecode(gen, mod) ⇒ Object 



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# File 'lib/atomy/code/pattern/and.rb', line 13

def bytecode(gen, mod)
  gen.push_cpath_top
  gen.find_const(:Atomy)
  gen.find_const(:Pattern)
  gen.find_const(:And)
  mod.compile(gen, @a)
  mod.compile(gen, @b)
  gen.send(:new, 2)
end