Class: ActiveFacts::CQL::Compiler::ExpressionTermList

Inherits:
Object
  • Object
show all
Defined in:
lib/activefacts/cql/compiler/transform_rule.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(term_list) ⇒ ExpressionTermList

Returns a new instance of ExpressionTermList.



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# File 'lib/activefacts/cql/compiler/transform_rule.rb', line 108

def initialize term_list
  @term_list = term_list
end

Instance Attribute Details

#term_list ⇒ Object

Returns the value of attribute term_list.



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# File 'lib/activefacts/cql/compiler/transform_rule.rb', line 106

def term_list
  @term_list
end

Instance Method Details

#compile(context) ⇒ Object 



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# File 'lib/activefacts/cql/compiler/transform_rule.rb', line 112

def compile(context)
  vocabulary_identifier = context.vocabulary.identifying_role_values
  constellation = context.vocabulary.constellation
  
  expression = context.vocabulary.constellation.Expression(:new, :expression_type => 'Role')
  
  @term_list.flatten!
  (0 ... @term_list.size).each do |idx|
    ref = term_list[idx]
    if (object_type = constellation.ObjectType[[vocabulary_identifier, ref.term]]).nil?
      raise "Object '#{ref.term}' of transformation must be a valid object type"
    end
    constellation.ExpressionObjectRef(
      expression, idx, :object_type => object_type,
      :leading_adjective => ref.leading_adjective, :trailing_adjective => ref.trailing_adjective
    )
  end
  
  expression
end