#ifndef YABASIC_H
#define YABASIC_H

typedef union {
  double alignment;
  char ag_vt_2[sizeof(int)];
  char ag_vt_4[sizeof(double)];
  char ag_vt_5[sizeof(char *)];
} parseBasic_vs_type;

typedef enum {
  parseBasic_white_space_token = 1, parseBasic_SEP_token = 7,
  parseBasic_simple_real_token = 14, parseBasic_exponent_token = 18,
  parseBasic_integer_part_token = 20, parseBasic_fraction_part_token = 22,
  parseBasic_letter_token = 25, parseBasic_SYMBOL_token = 27,
  parseBasic_DIGITS_token = 29, parseBasic_string_text_token = 31,
  parseBasic_program_token = 34, parseBasic_statement_list_token,
  parseBasic_eof_token, parseBasic_statement_token, parseBasic_label_token,
  parseBasic_string_assignment_token = 40, parseBasic_assignment_token,
  parseBasic_for_loop_token, parseBasic_if_clause_token,
  parseBasic_symbol_or_lineno_token = 45, parseBasic_expression_token = 51,
  parseBasic_goto_list_token = 53, parseBasic_gosub_list_token = 55,
  parseBasic_hashed_number_token = 57,
  parseBasic_string_expression_token = 59, parseBasic_printintro_token = 62,
  parseBasic_printlist_token, parseBasic_semicolon_token = 65,
  parseBasic_inputintro_token = 67, parseBasic_inputlist_token,
  parseBasic_readlist_token = 70, parseBasic_datalist_token = 72,
  parseBasic_dimlist_token = 76, parseBasic_mapping_token = 79,
  parseBasic_indexlist_token = 107,
  parseBasic_primary_string_expression_token = 114,
  parseBasic_string_function_token,
  parseBasic_primary_expression_token = 129, parseBasic_function_token,
  parseBasic_exponential_expression_token = 132,
  parseBasic_multiplicative_expression_token = 134,
  parseBasic_const_token = 159, parseBasic_intnum_token,
  parseBasic_step_part_token = 167, parseBasic_next_or_eofile_token = 170,
  parseBasic_next_symbol_token, parseBasic_condition_token = 175,
  parseBasic_else_part_token = 179, parseBasic_endif_or_eof_token = 181,
  parseBasic_and_condition_token = 183,
  parseBasic_primary_condition_token = 185,
  parseBasic_comparison_token = 187, parseBasic_input_token = 195,
  parseBasic_readitem_token = 198, parseBasic_stream_token = 201,
  parseBasic_position_token, parseBasic_prompt_token = 204,
  parseBasic_name_token = 216, parseBasic_digit_string_token,
  parseBasic_STRSYM_token = 257, parseBasic_STRING_token = 262,
  parseBasic_number_token = 274, parseBasic_digit_token = 324
} parseBasic_token_type;

typedef struct parseBasic_pcb_struct{
  parseBasic_token_type token_number, reduction_token, error_frame_token;
  int input_code;
  int input_value;
  int line, column;
  int ssx, sn, error_frame_ssx;
  int drt, dssx, dsn;
  int ss[128];
  parseBasic_vs_type vs[128];
  int ag_ap;
  const char *error_message;
  char read_flag;
  char exit_flag;
  int bts[128], btsx;
  int lab[10], rx, fx;
  const unsigned char *key_sp;
  int save_index, key_state;
  char ag_msg[82];
} parseBasic_pcb_type;

#ifndef PRULE_CONTEXT
#define PRULE_CONTEXT(pcb)  (&((pcb).cs[(pcb).ssx]))
#define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
#define PCONTEXT(pcb)       ((pcb).cs[(pcb).ssx])
#endif

#ifndef AG_RUNNING_CODE
/* PCB.exit_flag values */
#define AG_RUNNING_CODE         0
#define AG_SUCCESS_CODE         1
#define AG_SYNTAX_ERROR_CODE    2
#define AG_REDUCTION_ERROR_CODE 3
#define AG_STACK_ERROR_CODE     4
#define AG_SEMANTIC_ERROR_CODE  5
#endif

extern parseBasic_pcb_type parseBasic_pcb;
void init_parseBasic(void);
void parseBasic(void);
#endif