Class: CType::Enum

Inherits:
Object
  • Object
show all
Defined in:
lib/caphir/ctype.rb

Overview

Union

Constant Summary collapse

@@enums = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Enum 



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# File 'lib/caphir/ctype.rb', line 201

def initialize(name)
  @name = name
  @members = nil
end

Class Method Details

.[](val = nil) ⇒ Object 



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# File 'lib/caphir/ctype.rb', line 186

def Enum.[](val = nil)
  # for unnamed enumerations
  return Enum.send(:new, nil) unless val

  result = @@enums[val]
  unless result
    result = @@enums[val] = Enum.send(:new, val)
  end
  result
end

Instance Method Details

#add(items) ⇒ Object 



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# File 'lib/caphir/ctype.rb', line 205

def add(items)
  warn "enum #{@name} already defined" if @members
  @members = items
  self
end

#evaluate ⇒ Object 



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# File 'lib/caphir/ctype.rb', line 210

def evaluate
  CType.evaluation_error(identifier) unless identifier.empty?
  self
end

#to_def(indent = '') ⇒ Object 



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# File 'lib/caphir/ctype.rb', line 223

def to_def(indent='')
  str = to_s
  str << " {\n"
  @members.each do |name, num|
    str << indent << "\t" << name
    str << " = #{num.to_s}" if num
    str << ",\n"
  end
  str[-2, 2] = "\n" # get rid of trailing comma
  str << indent << "}"
end

#to_init_s(ident = nil) ⇒ Object 



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# File 'lib/caphir/ctype.rb', line 217

def to_init_s(ident=nil)
  str = 'enum'
  str << ' ' << @name if @name
  str << ' ' << ident if ident
  str
end

#to_s ⇒ Object 



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# File 'lib/caphir/ctype.rb', line 214

def to_s
  to_init_s()
end