/*
 * Copyright (C) 2022 Nick Downing <nick@ndcode.org>
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; version 2.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

%start DATA DATA_TEXT REM_TEXT STR_LITERAL

%%

<INITIAL,DATA>{
  " "
  \" {
    ECHO()
    yy_push_state(STR_LITERAL)
  }
}
<INITIAL>{
  \x80 {
    yyout.write('END')
  }
  \x81 {
    yyout.write('FOR')
  }
  \x82 {
    yyout.write('NEXT')
  }
  \x83 {
    yyout.write('DATA')
    BEGIN(DATA)
  }
  \x84 {
    yyout.write('INPUT')
  }
  \x85 {
    yyout.write('DEL')
  }
  \x86 {
    yyout.write('DIM')
  }
  \x87 {
    yyout.write('READ')
  }
  \x88 {
    yyout.write('GR')
  }
  \x89 {
    yyout.write('TEXT')
  }
  \x8a {
    yyout.write('PR#')
  }
  \x8b {
    yyout.write('IN#')
  }
  \x8c {
    yyout.write('CALL')
  }
  \x8d {
    yyout.write('PLOT')
  }
  \x8e {
    yyout.write('HLIN')
  }
  \x8f {
    yyout.write('VLIN')
  }
  \x90 {
    yyout.write('HGR2')
  }
  \x91 {
    yyout.write('HGR')
  }
  \x92 {
    yyout.write('HCOLOR=')
  }
  \x93 {
    yyout.write('HPLOT')
  }
  \x94 {
    yyout.write('DRAW')
  }
  \x95 {
    yyout.write('XDRAW')
  }
  \x96 {
    yyout.write('HTAB')
  }
  \x97 {
    yyout.write('HOME')
  }
  \x98 {
    yyout.write('ROT=')
  }
  \x99 {
    yyout.write('SCALE=')
  }
  \x9a {
    yyout.write('SHLOAD')
  }
  \x9b {
    yyout.write('TRACE')
  }
  \x9c {
    yyout.write('NOTRACE')
  }
  \x9d {
    yyout.write('NORMAL')
  }
  \x9e {
    yyout.write('INVERSE')
  }
  \x9f {
    yyout.write('FLASH')
  }
  \xa0 {
    yyout.write('COLOR=')
  }
  \xa1 {
    yyout.write('POP')
  }
  \xa2 {
    yyout.write('VTAB')
  }
  \xa3 {
    yyout.write('HIMEM:')
  }
  \xa4 {
    yyout.write('LOMEM:')
  }
  \xa5 {
    yyout.write('ONERR')
  }
  \xa6 {
    yyout.write('RESUME')
  }
  \xa7 {
    yyout.write('RECALL')
  }
  \xa8 {
    yyout.write('STORE')
  }
  \xa9 {
    yyout.write('SPEED=')
  }
  \xaa {
    yyout.write('LET')
  }
  \xab {
    yyout.write('GOTO')
  }
  \xac {
    yyout.write('RUN')
  }
  \xad {
    yyout.write('IF')
  }
  \xae {
    yyout.write('RESTORE')
  }
  \xaf {
    yyout.write('&')
  }
  \xb0 {
    yyout.write('GOSUB')
  }
  \xb1 {
    yyout.write('RETURN')
  }
  \xb2 {
    yyout.write('REM')
    BEGIN(REM_TEXT)
  }
  \xb3 {
    yyout.write('STOP')
  }
  \xb4 {
    yyout.write('ON')
  }
  \xb5 {
    yyout.write('WAIT')
  }
  \xb6 {
    yyout.write('LOAD')
  }
  \xb7 {
    yyout.write('SAVE')
  }
  \xb8 {
    yyout.write('DEF')
  }
  \xb9 {
    yyout.write('POKE')
  }
  \xba {
    yyout.write('PRINT')
  }
  \xbb {
    yyout.write('CONT')
  }
  \xbc {
    yyout.write('LIST')
  }
  \xbd {
    yyout.write('CLEAR')
  }
  \xbe {
    yyout.write('GET')
  }
  \xbf {
    yyout.write('NEW')
  }
  \xc0 {
    yyout.write('TAB(')
  }
  \xc1 {
    yyout.write('TO')
  }
  \xc2 {
    yyout.write('FN')
  }
  \xc3 {
    yyout.write('SPC(')
  }
  \xc4 {
    yyout.write('THEN')
  }
  \xc5 {
    yyout.write('AT')
  }
  \xc6 {
    yyout.write('NOT')
  }
  \xc7 {
    yyout.write('STEP')
  }
  \xc8 {
    yyout.write('+')
  }
  \xc9 {
    yyout.write('-')
  }
  \xca {
    yyout.write('*')
  }
  \xcb {
    yyout.write('/')
  }
  \xcc {
    yyout.write('^')
  }
  \xcd {
    yyout.write('AND')
  }
  \xce {
    yyout.write('OR')
  }
  \xcf {
    yyout.write('>')
  }
  \xd0 {
    yyout.write('=')
  }
  \xd1 {
    yyout.write('<')
  }
  \xd2 {
    yyout.write('SGN')
  }
  \xd3 {
    yyout.write('INT')
  }
  \xd4 {
    yyout.write('ABS')
  }
  \xd5 {
    yyout.write('USR')
  }
  \xd6 {
    yyout.write('FRE')
  }
  \xd7 {
    yyout.write('SCRN(')
  }
  \xd8 {
    yyout.write('PDL')
  }
  \xd9 {
    yyout.write('POS')
  }
  \xda {
    yyout.write('SQR')
  }
  \xdb {
    yyout.write('RND')
  }
  \xdc {
    yyout.write('LOG')
  }
  \xdd {
    yyout.write('EXP')
  }
  \xde {
    yyout.write('COS')
  }
  \xdf {
    yyout.write('SIN')
  }
  \xe0 {
    yyout.write('TAN')
  }
  \xe1 {
    yyout.write('ATN')
  }
  \xe2 {
    yyout.write('PEEK')
  }
  \xe3 {
    yyout.write('LEN')
  }
  \xe4 {
    yyout.write('STR$')
  }
  \xe5 {
    yyout.write('VAL')
  }
  \xe6 {
    yyout.write('ASC')
  }
  \xe7 {
    yyout.write('CHR$')
  }
  \xe8 {
    yyout.write('LEFT$')
  }
  \xe9 {
    yyout.write('RIGHT$')
  }
  \xea {
    yyout.write('MID$')
  }
}
<DATA,DATA_TEXT>{
  :|\n {
    ECHO()
    BEGIN(INITIAL)
  }
}
<DATA>{
  [^ ,] {
    ECHO()
    BEGIN(DATA_TEXT)
  }
}
<DATA_TEXT>{
  , {
    ECHO()
    BEGIN(DATA)
  }
}

<REM_TEXT>{
  \n {
    ECHO()
    BEGIN(INITIAL)
  }
}

<STR_LITERAL>{
  \" {
    ECHO()
    yy_pop_state()
  }
  \n {
    ECHO()
    yy_pop_state()
    BEGIN(INITIAL)
  }  
}

%%

if __name__ == '__main__':
  while yylex():
    pass