Class: CodeTools::AST::PEGLiteral

Inherits:
Node
  • Object
show all
Defined in:
lib/rubinius/code/ast/literals.rb

Instance Attribute Summary collapse

Attributes inherited from Node

#line

Instance Method Summary collapse

Methods inherited from Node

#ascii_graph, #attributes, #children, #defined, match_arguments?, match_send?, #new_block_generator, #new_generator, #node_name, #or_bytecode, #pos, #set_child, #to_sexp, #transform, transform, transform_comment, transform_kind, transform_kind=, transform_name, #value_defined, #visit, #walk

Constructor Details

#initialize(line, str) ⇒ PEGLiteral

Returns a new instance of PEGLiteral.



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# File 'lib/rubinius/code/ast/literals.rb', line 356

def initialize(line, str)
  @line = line
  @source = str
end

Instance Attribute Details

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/rubinius/code/ast/literals.rb', line 354

def source
  @source
end

Instance Method Details

#bytecode(g) ⇒ Object 



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# File 'lib/rubinius/code/ast/literals.rb', line 361

def bytecode(g)
  pos(g)
  build = g.new_label
  done = g.new_label

  g.push_tagged_nil 0

  build.set!
  g.push_memo nil
  g.dup
  g.goto_if_not_nil done

  g.pop
  g.push_rubinius
  g.find_const :PEG
  g.push_literal @source
  g.send :compile, 1
  g.goto build

  done.set!
end