Class: ActiveFacts::CQL::Compiler::InformalDefinition

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

Instance Attribute Summary

Attributes inherited from Definition

#constellation, #tree, #vocabulary

Instance Method Summary collapse

Methods inherited from Definition

#all_bindings_in_clauses, #assert_literal_value, #build_all_steps, #build_step, #build_variables, #source, #to_s

Constructor Details

#initialize(kind, subject, phrases, text) ⇒ InformalDefinition

Returns a new instance of InformalDefinition.



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# File 'lib/activefacts/cql/compiler/informal.rb', line 5

def initialize kind, subject, phrases, text
  @kind = kind
  @subject = subject
  @phrases = phrases
  @text = text
end

Instance Method Details

#apply_description(concept_type) ⇒ Object 



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# File 'lib/activefacts/cql/compiler/informal.rb', line 22

def apply_description concept_type
  concept_type.concept.informal_description =
    [ concept_type.concept.informal_description,
      @text
    ].compact*".\n"
end

#compile ⇒ Object 



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# File 'lib/activefacts/cql/compiler/informal.rb', line 12

def compile
  @context = CompilationContext.new(@vocabulary)
  case @kind
  when :each
    compile_object_description
  when :when
    compile_fact_type_description
  end
end

#compile_fact_type_description ⇒ Object 



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# File 'lib/activefacts/cql/compiler/informal.rb', line 36

def compile_fact_type_description
  @clause = Compiler::Clause.new(@phrases)  # Make the phrases into a clause
  @context.bind [@clause]                   # Bind player names in the claise
  fact_type = @clause.match_existing_fact_type @context
  apply_description fact_type if fact_type
  false
end

#compile_object_description ⇒ Object 



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# File 'lib/activefacts/cql/compiler/informal.rb', line 29

def compile_object_description
  object_type = @context.object_type(@subject)
  raise "Cannot add informal description of undefined object #{@subject.inspect}" unless object_type
  apply_description object_type 
  false
end