#ifndef PGG24_H
#define PGG24_H

typedef union {
  long alignment;
  char ag_vt_2[sizeof(int)];
  char ag_vt_4[sizeof(CharSetExpression *)];
  char ag_vt_5[sizeof(unsigned char *)];
} pgg_vs_type;

typedef enum {
  pgg_arrow_token = 1, pgg_blank_token = 3, pgg_comma_token = 6,
  pgg_space_token = 8, pgg_ellipsis_token = 10, pgg_equals_token = 12,
  pgg_bang_token = 14, pgg_left_brace_token = 16,
  pgg_left_bracket_token = 18, pgg_left_parenthesis_token = 20,
  pgg_minus_token = 22, pgg_plus_token = 24, pgg_right_bracket_token = 26,
  pgg_right_brace_token = 28, pgg_right_parenthesis_token = 30,
  pgg_right_quote_token = 32, pgg_single_quote_token, pgg_tilde_token,
  pgg_vertical_bar_token = 36, pgg_syntax_definition_token = 38,
  pgg_end_of_line_token, pgg_complete_statements_token = 41,
  pgg_statement_token, pgg_eof_token = 44, pgg_production_token,
  pgg_definition_token, pgg_embedded_c_token,
  pgg_configuration_section_token, pgg_complete_statement_token,
  pgg_simple_statement_token, pgg_left_hand_side_token,
  pgg_right_hand_side_token, pgg_additional_rule_spec_token,
  pgg_rule_specs_token = 55, pgg_token_name_list_token,
  pgg_type_definition_token, pgg_token_name_token, pgg_name_token,
  pgg_data_type_token = 61, pgg_wrapper_type_token, pgg_wrapper_list_token,
  pgg_proper_vp_rule_specs_token, pgg_vp_rule_spec_token,
  pgg_additional_vp_rule_spec_token, pgg_vp_rule_specs_token,
  pgg_reduction_procedure_token, pgg_vp_rules_token, pgg_grammar_rule_token,
  pgg_rule_spec_token, pgg_init_grammar_rule_token, pgg_rule_element_token,
  pgg_parameter_name_token, pgg_c_expression_token,
  pgg_type_name_token = 77, pgg_template_field_token,
  pgg_abstract_declarator_token = 80, pgg_indirect_data_type_token = 84,
  pgg_direct_abstract_declarator_token, pgg_template_field_head_token,
  pgg_star_token = 90, pgg_pointer_token = 92, pgg_name_string_token,
  pgg_letter_token, pgg_enum_fix_token = 96, pgg_blank_char_token = 98,
  pgg_c_comment_token, pgg_continuation_token, pgg_comment_token,
  pgg_next_line_token, pgg_carriage_return_token, pgg_newline_token = 105,
  pgg_white_token, pgg_vertical_space_token, pgg_character_token = 112,
  pgg_signed_number_token, pgg_quoted_character_token = 116,
  pgg_char_const_token, pgg_sign_token, pgg_simple_number_token,
  pgg_decimal_number_token = 121, pgg_octal_number_token = 123,
  pgg_hex_number_token = 127, pgg_hex_digit_token = 131,
  pgg_token_token = 133, pgg_mid_rule_action_token, pgg_union_token,
  pgg_virtual_production_token, pgg_intersection_token, pgg_negation_token,
  pgg_simple_set_token = 140, pgg_escape_sequence_token = 142,
  pgg_octal_escape_token, pgg_three_octal_token, pgg_hex_escape_token,
  pgg_character_range_token, pgg_enum_definition_token = 148,
  pgg_enum_statement_token, pgg_keyword_string_token,
  pgg_keyword_string_head_token, pgg_string_token, pgg_double_quote_token,
  pgg_string_A_token, pgg_string_B_token, pgg_string_C_token,
  pgg_string_char_token, pgg_simple_string_char_token,
  pgg_one_octal_token = 170, pgg_backslash_token, pgg_two_octal_token,
  pgg_any_digit_token = 174, pgg_nonoctal_digit_token,
  pgg_c_name_token = 177, pgg_simple_name_token,
  pgg_configuration_parameters_token,
  pgg_configuration_parameter_list_token,
  pgg_configuration_parameter_token = 182, pgg_attribute_statement_token,
  pgg_keyword_kluge_token, pgg_token_list_token = 187,
  pgg_new_reserve_statement_token = 193, pgg_list_end_token,
  pgg_macro_name_token = 203, pgg_tokens_token = 206,
  pgg_embedded_c_head_token = 213, pgg_c_code_token,
  pgg_c_code_first_token = 218, pgg_c_text_token,
  pgg_c_character_constant_token = 221, pgg_c_string_constant_token,
  pgg_c_char_token, pgg_simple_c_char_token, pgg_c_expression_head_token,
  pgg_c_chars_token, pgg_c_expression_char_token,
  pgg_c_comment_head_token = 230, pgg_c_literal_elem_token = 234,
  pgg_anything_token
} pgg_token_type;

typedef struct pgg_pcb_struct{
  pgg_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];
  pgg_vs_type vs[128];
  int ag_ap;
  const char *error_message;
  char read_flag;
  char exit_flag;
  cint input_context;
  cint cs[128];
  int bts[128], btsx;
  int (* const  *gt_procs)(void);
  int (* const *r_procs)(void);
  int (* const *s_procs)(void);
  unsigned char * pointer;
  unsigned char * la_ptr;
  const unsigned char *key_sp;
  int save_index, key_state;
  int ag_error_depth, ag_min_depth, ag_tmp_depth;
  int ag_rss[2*128], ag_lrss;
  char ag_msg[82];
  const  int *ag_dtl;
  int ag_dsn;
  int ag_resynch_active;
} pgg_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
void init_pgg(void);
void pgg(void);
#endif