Class: RedParse::ForNode

Inherits:
ValueNode show all
Defined in:
lib/redparse/node.rb

Constant Summary

Constants included from FlattenedIvars

RedParse::FlattenedIvars::EXCLUDED_IVARS

Instance Attribute Summary

Attributes inherited from Node

#endline, #errors, #offset, #parent, #startline

Attributes included from Stackable::Meta

#boolean_identity_params, #identity_params

Instance Method Summary collapse

Methods inherited from ValueNode

#lvalue

Methods inherited from Node

#+, #+@, #==, [], #[]=, #add_parent_links!, #begin_parsetree, create, #data, #deep_copy, #delete_extraneous_ivars!, #delete_linenums!, #depthwalk, #depthwalk_nodes, #error?, #evalable_inspect, #fixup_multiple_assignments!, #fixup_rescue_assignments!, #initialize_ivars, inline_symbols, #inspect, #lhs_unparse, #linerange, #lvalue, #lvars_defined_in, #merge_replacement_session, namelist, #negate, #original_brackets_assign, param_names, #parsetrees, #pretty_print, #prohibit_fixup, #replace_ivars_and_self, #replace_value, #rescue_parsetree, #to_parsetree, #to_parsetree_and_warnings, #unary, #walk, #xform_tree!

Methods included from Stackable::Meta

#build_exemplars, #enumerate_exemplars, #identity_param

Methods included from FlattenedIvars

#flattened_ivars, #flattened_ivars_equal?

Methods included from Stackable

#identity_name

Constructor Details

#initialize(forword, for_, inword, in_, doword, do_, endword) ⇒ ForNode

Returns a new instance of ForNode.



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# File 'lib/redparse/node.rb', line 4322

def initialize(forword,for_,inword,in_,doword,do_,endword)
  @offset=forword.offset
  #elide 1 layer of parens if present
  for_=for_.first if ParenedNode===for_
  for_=CommaOpNode===for_ ? Array.new(for_) : [for_]
  super(BlockParams.new(for_),in_,do_)
end

Instance Method Details

#image ⇒ Object 



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# File 'lib/redparse/node.rb', line 4334

def image; "(for)" end

#parsetree(o) ⇒ Object 



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# File 'lib/redparse/node.rb', line 4342

def parsetree(o)
=begin
  case vars=@data[0]
  when Node: 
    vars=vars.parsetree(o)
    if vars.first==:call
      vars[0]=:attrasgn
      vars[2]="#{vars[2]}=".to_sym
    end
    vars
  when Array: 
    vars=[:masgn, [:array, 
            *vars.map{|lval| 
               res=lval.parsetree(o)
               res[0]=lval.varname2assigntype if VarNode===lval
               res
             } 
         ]]
  when VarNode
    ident=vars.ident
    vars=vars.parsetree(o)
    (vars[0]=vars.varname2assigntype) rescue nil
  else fail
  end
=end


  vars=self.for.lvalue_parsetree(o)
  collection= self.in.begin_parsetree(o)
  if ParenedNode===self.in and collection.first==:begin
    assert collection.size==2
    collection=collection[1]
  end
  result=[:for, collection, vars]
  result.push self.do.parsetree(o) if self.do
  result
end

#unparse(o = default_unparse_options) ⇒ Object 



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# File 'lib/redparse/node.rb', line 4336

def unparse o=default_unparse_options
  result=unparse_nl(self,o)+"         for #{iterator.lhs_unparse(o)[1...-1]} in #{enumerable.unparse o}"
  result+=unparse_nl(body,o)+"           #{body.unparse(o)}" if body
  result+=";end"
end