Class: RedParse::MultiAssignNode

Inherits:

ValueNode

• Object
• Array
• Node
• ValueNode
• RedParse::MultiAssignNode

Defined in:

lib/redparse/node.rb

Overview

obsolete

Constant Summary

Constants included from FlattenedIvars

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

• #parsetree(o) ⇒ Object

  not called from parse table.

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!, #image, #initialize, #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

This class inherits a constructor from RedParse::Node

Instance Method Details

#parsetree(o) ⇒ Object

not called from parse table

# File 'lib/redparse/node.rb', line 2440

def parsetree(o)
  lhs=left.dup
  if UnaryStarNode===lhs.last
    lstar=lhs.pop
  end
  lhs.map!{|x| 
    res=x.parsetree(o)
    res[0]=x.varname2assigntype if VarNode===x
    res
  }
  lhs.unshift(:array) if lhs.size>1 or lstar
  rhs=right.map{|x| x.parsetree(o)}
  if rhs.size==1
    if rhs.first.first==:splat 
      rhs=rhs.first
    else
      rhs.unshift :to_ary
    end
  else
    rhs.unshift(:array) 
    if rhs[-1][0]==:splat
      splat=rhs.pop[1]
      if splat.first==:call 
        splat[0]=:attrasgn
        splat[2]="#{splat[2]}=".to_sym
      end
      rhs=[:argscat, rhs, splat] 
    end
  end
  result=[:masgn, lhs, rhs]
  result.insert(2,lstar.data.last.parsetree(o)) if lstar
  result

end