Class: Cel::Program

Inherits:
Object
  • Object
show all
Defined in:
lib/cel/program.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context, environment) ⇒ Program

Returns a new instance of Program.



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# File 'lib/cel/program.rb', line 7

def initialize(context, environment)
  @context = context
  @environment = environment
  @convert_to_cel = true
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/cel/program.rb', line 5

def context
  @context
end

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/cel/program.rb', line 5

def environment
  @environment
end

Instance Method Details

#disable_cel_conversion ⇒ Object 



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# File 'lib/cel/program.rb', line 38

def disable_cel_conversion
  convert_to_cel = @convert_to_cel
  begin
    @convert_to_cel = false
    yield(convert_to_cel)
  ensure
    @convert_to_cel = convert_to_cel
  end
end

#evaluate(ast) ⇒ Object Also known as: call 



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# File 'lib/cel/program.rb', line 17

def evaluate(ast)
  case ast
  when Group
    evaluate(ast.value)
  when Invoke
    evaluate_invoke(ast)
  when Operation
    evaluate_operation(ast)
  when Message
    evaluate_message(ast)
  when Literal
    evaluate_literal(ast)
  when Identifier
    evaluate_identifier(ast)
  when Condition
    evaluate_condition(ast)
  end
end

#with_extra_context(context) ⇒ Object 



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# File 'lib/cel/program.rb', line 13

def with_extra_context(context)
  self.class.new(@context.merge(context), @environment)
end