Class: Rubex::AST::Expression::BinaryExpo

Inherits:
Binary
  • Object
show all
Defined in:
lib/rubex/ast/expression/binary/binary_expo.rb

Instance Attribute Summary

Attributes inherited from Base

#entry, #type, #typecast

Instance Method Summary collapse

Methods inherited from Binary

#==, #c_code, #initialize

Methods inherited from Base

#allocate_temp, #allocate_temps, #analyse_for_target_type, #c_code, #expression?, #from_ruby_object, #generate_and_dispose_subexprs, #generate_assignment_code, #generate_disposal_code, #has_temp, #possible_typecast, #release_temp, #release_temps, #to_ruby_object

Constructor Details

This class inherits a constructor from Rubex::AST::Expression::Binary

Instance Method Details

#analyse_types(local_scope) ⇒ Object 



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# File 'lib/rubex/ast/expression/binary/binary_expo.rb', line 5

def analyse_types(local_scope)
  @left.analyse_types local_scope
  @right.analyse_types local_scope
  if type_of(@left).object? || type_of(@right).object?            
    @left = @left.to_ruby_object
    @right = @right.to_ruby_object
    @subexprs << @left
    @subexprs << @right
  else
    @type = Rubex::DataType::F64.new
  end

end

#generate_evaluation_code(code, local_scope) ⇒ Object 



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# File 'lib/rubex/ast/expression/binary/binary_expo.rb', line 19

def generate_evaluation_code code, local_scope
  generate_and_dispose_subexprs(code, local_scope) do
    if @type.object?
      code << "#{@c_code} = rb_funcall(#{@left.c_code(local_scope)}," +
        "rb_intern(\"#{@operator}\")," +
        "1, #{@right.c_code(local_scope)});"
      code.nl
    else
      @c_code = "( pow(#{@left.c_code(local_scope)}, #{@right.c_code(local_scope)}) )"
    end
  end
end