class Knj::Php_parser
  def func_args(func_name)
    func_arg_count = 0
    args = []
    
    loop do
      if match = self.matchclear(/\A\$#{@regex_varname}\s*(,\s*|)/)
        args << {
          "varname" => match[1],
          "newname" => "phpvar_#{match[1]}"
        }
      elsif match = self.matchclear(/\A\)\s*\{/)
        break
      else
        raise "Could not match function arguments."
      end
    end
    
    @retcont << "#{self.tabs}module Knj::Php_parser::Functions\n"
    @tabs << 1
    @retcont << "#{self.tabs}def self.#{func_name}("
    
    first = true
    args.each do |arg|
      @retcont << ", " if !first
      first = false if first
      @retcont << arg["newname"]
    end
    
    @retcont << ")\n"
    @tabs += 1
    @funcs_started += 1
    
    self.search_newstuff
  end
  
  def func_args_single_given
    arg_found = false
    
    loop do
      if !arg_found and match = self.matchclear(/\A\"/)
        @retcont << "\""
        self.match_semi
        @retcont << ")"
        arg_found = true
      elsif !arg_found and match = self.matchclear(/\A\$(#{@regex_varname})/)
        @retcont << "phpvar_#{match[1]}"
        arg_found = true
      elsif arg_found and match = self.matchclear(/\A\.\s*/)
        @retcont << " + "
        arg_found = false
      elsif arg_found and match = self.matchclear(/\A;/)
        @retcont << "\n"
        break
      else
        raise "Could not figure out what to do."
      end
    end
  end
  
  def func_args_given
    arg_found = false
    
    loop do
      if !arg_found and match = self.matchclear(/\A\"/)
        @retcont << "\""
        self.match_semi
        @retcont << ")"
        arg_found = true
      elsif !arg_found and match = self.matchclear(/\A\$(#{@regex_varname})/)
        @retcont << "phpvar_#{match[1]}"
        arg_found = true
      elsif arg_found and match = self.matchclear(/\A\.\s*/)
        @retcont << " + "
        arg_found = false
      elsif arg_found and match = self.matchclear(/\A\)\s*;/)
        @retcont << "\n"
        break
      else
        raise "Could not figure out what to do."
      end
    end
  end
  
  def match_semi
    loop do
      if match = self.matchclear(/\A[A-z\d_\.]+/)
        @retcont << match[0]
      elsif match = self.matchclear(/\A\"/)
        @retcont << "\""
        break
      else
        raise "Could not figure out what to do."
      end
    end
  end
end