Module: HDLRuby::Verilog

Defined in:
lib/HDLRuby/hruby_verilog_name.rb

Overview

Program with inverse conversion last update 2019 01 29

Instance Method Summary collapse

Instance Method Details

#name_to_verilog(name) ⇒ Object

Since it is possible to use $ and numbers other than the beginning of the character string, it is divided.



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# File 'lib/HDLRuby/hruby_verilog_name.rb', line 12

def name_to_verilog(name)
  ref = ""         # For storing the converted character.
  name = name.to_s # Ensure name is a string
  
  if (name[0] =~ /[a-zA-Z]/) then
    ref << name[0]
    # _ To convert it to __.
  elsif (name[0] == "_") then
    ref << "__"
  # If it does not satisfy the above, it is another character.
  # In that case, convert it to UTF-8 and convert it to a usable character string.
  else
    l = name[0].bytes.map{|v| v.to_s(16)}.join # Conversion to UTF-8 hexadecimal number.
 
    ref << "_" + l.rjust(6,"0")      # Add an underscore indicating conversion.
                                     # The remainder of 6 digits is filled with 0.
  end
  
  name[1..-1].each_char do |c|
    # Confirmation of characters in array.
    # If it is a-zA-Z 0 - 9, it is added to ref as it is.
    if (c =~ /[a-zA-Z0-9]|\$/) then
      ref << c
    # _ To convert it to __.
    elsif (c == "_") then
      ref << "__"
    # If it does not satisfy the above, it is another character.
    # In that case, convert it to UTF-8 and convert it to a usable character string.
    else
      l = c.bytes.map{|v| v.to_s(16)}.join # Conversion to UTF-8 hexadecimal number.
   
      ref << "_" + l.rjust(6,"0")      # Add an underscore indicating conversion.
                                       # The remainder of 6 digits is filled with 0.
    end
  end
  return ref
end