move input_line_number and current_input_column to lexical_feedback class * lex.h, lex.ll (input_line_number, current_input_column): Move global variables to lexical_feedback class. Change all uses. (reset_parser): Don't reset input_line_number or current_input_column. * oct-parse.yy (eval_string, parse_fcn_file): Don't protect input_line_number or current_input_column here. (parse_fcn_file): Protect lexer_flags prior to calling gobble_leading_whitespace. Use reset_parser to reset lexer_flags.