Method: HDLRuby::Viz::Node#to_s

Defined in:
lib/HDLRuby/hruby_viz.rb

#to_s(spc = "") ⇒ Object

Convert to a string.



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# File 'lib/HDLRuby/hruby_viz.rb', line 3092

def to_s(spc = "")
  case type
  when :assign
    return spc + @branches[0].to_s + " <= "  + @branches[1].to_s
  when :if
    res = spc + "if " + @branches[0].to_s
    return res
  when :case
    res = spc + "case " + @branches[0].to_s + "==" + @branches[1].to_s
    return res
  when :wait
    return spc + "wait(#{@branches[0].to_s})"
  when :repeat
    res = spc + "repeat " + @branches[0].to_s
    return res
  when :terminate
    return "terminate"
  when :value, :delay, :string
    return self.name
  when :print
    return spc + "print(#{@branches.map {|b| b.to_s}.join(",")})"
  when :cast
    return spc + "(" + self.name + ")" + "(" + branches[0].to_s + ")"
  when :concat
    return spc + "concat(" +@branches.map {|b| b.to_s }.join(",") + ")"
  when :[]
    if @branches.size == 2 then
      return spc + @branches[0].to_s + "[" + @branches[1].to_s + "]"
    else
      return spc + @branches[0].to_s + "[" +
        @branches[1].to_s + ".." + @branches[2].to_s + "]"
    end
  when :"." 
    if @branches[0] then
      return spc + @branches[0].to_s + "." + self.name
    else
      return spc + self.name
    end
  else
    case(@branches.size)
    when 0
      return spc + type.to_s
    when 1
      return spc + "(" + HDLRuby::Viz.to_svg_text(type.to_s) + 
        @branches[0].to_s + ")"
    when 2
      return spc + "(" + @branches[0].to_s + 
        HDLRuby::Viz.to_svg_text(type.to_s) +
        @branches[1].to_s + ")"
    else
      return spc + type.to_s + "(" + @branches.join(",") + ")"
    end
  end
end