Method: RubyToAnsiC#process_if

Defined in:
lib/ruby_to_ansi_c.rb

#process_if(exp) ⇒ Object

Conditional statements

TODO: implementation is ugly as hell... PLEASE try to clean



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# File 'lib/ruby_to_ansi_c.rb', line 442

def process_if(exp)
  cond_part = process exp.shift

  result = "if (#{cond_part})"

  then_block = ! exp.first.nil? && exp.first.first == :block
  then_part  = process exp.shift
  else_block = ! exp.first.nil? && exp.first.first == :block
  else_part  = process exp.shift

  then_part = "" if then_part.nil?
  else_part = "" if else_part.nil?

  result += " {\n"
  
  then_part = then_part.join(";\n") if Array === then_part
  then_part += ";" unless then_part =~ /[;}]\Z/
  # HACK: um... deal with nil correctly (see unless support)
  result += then_part.to_s # + ";"
  result += ";" if then_part.nil?
  result += "\n" unless result =~ /\n\Z/
  result += "}"

  if else_part != "" then
    result += " else {\n"
    else_part = else_part.join(";\n") if Array === else_part
    else_part += ";" unless else_part =~ /[;}]\Z/
    result += else_part
    result += "\n}"
  end

  result
end