Class: Cauldron::ArrayCollectTemplate::Default

Inherits:
Object
  • Object
show all
Defined in:
lib/cauldron/array_collect_template/default.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(indexes) ⇒ Default

Returns a new instance of Default.



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# File 'lib/cauldron/array_collect_template/default.rb', line 9

def initialize(indexes)
  @indexes = indexes
end

Instance Attribute Details

#indexes ⇒ Object (readonly)

Returns the value of attribute indexes.



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# File 'lib/cauldron/array_collect_template/default.rb', line 7

def indexes
  @indexes
end

Instance Method Details

#branch? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cauldron/array_collect_template/default.rb', line 87

def branch?
  true
end

#clone_statement ⇒ Object 



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# File 'lib/cauldron/array_collect_template/default.rb', line 79

def clone_statement
  # TODO Need to clone the sexp methods
  # o = DynamicOperator.new(@information, @sexp_methods)
  # o.instance_eval(Sorcerer.source(@sexp_methods, indent: true))
  # o
  self.class.new(@indexes.clone)
end

#context_realizable?(context) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cauldron/array_collect_template/default.rb', line 13

def context_realizable?(context)
  
  vars = context.keys.select {|x| x.match(/var\d/) }
  var_names = vars.collect(&:to_s)
  
  first_variable = 'var'+@indexes[0].to_s

  a = %Q{
  def function(#{first_variable})
    #{Sorcerer.source(to_sexp(Cauldron::Scope.new(var_names), []), indent: true)}
  end
  }       
  
  o = Object.new
  o.instance_eval(a)

  begin
    #o.function(*vars.collect {|x| context[x] })  
    o.function context[first_variable.to_sym]
  rescue NoMethodError => e
    return false
  rescue StandardError => e
    puts e
    return false
  end
  return true
   
end

#to_ruby(scope, operators) ⇒ Object 



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# File 'lib/cauldron/array_collect_template/default.rb', line 75

def to_ruby(scope, operators)
  Sorcerer.source to_sexp(scope, operators)
end

#to_sexp(scope, children) ⇒ Object 



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# File 'lib/cauldron/array_collect_template/default.rb', line 42

def to_sexp(scope, children)
  scope_var = scope.new_variable!
  first_variable = 'var'+@indexes[0].to_s
  [:method_add_block, 
    [:call, 
      [:vcall, 
        # [:@ident, scope[@indexes[0]] ]], 
        [:@ident, first_variable ]], 
        :".", 
        [:@ident, "collect"]
    ], 
    unless children.empty?
      [:brace_block, 
        [:block_var, 
          [:params, [[:@ident, scope_var]]]], 
          [
            :stmts_add, 
            [:stmts_new], 
            # TODO Shouild probably be passing the children through here
            children.first.content.to_sexp(scope, [])
          ]
      ]
    else
      [:brace_block, 
        [:block_var, 
          [:params, [[:@ident, scope_var]]], 
          [:stmts_add, [:stmts_new]]
        ]
      ]        
    end
  ]    
end