view anagram/agcore/data.cpp @ 21:1c9dac05d040

Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
parents 13d2b8934445
children
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/*
 * AnaGram, A System for Syntax Directed Programming
 * Copyright 1993-1999 Parsifal Software. All Rights Reserved.
 * See the file COPYING for license and usage terms.
 *
 * data.cpp - Data Module
 */

#include <time.h>
#include "port.h"

#include "agarray.h"
#include "arrays.h"
#include "assert.h"
#include "config.h"
#include "data.h"
#include "dict.h"
#include "error.h"
#include "lexeme.h"
#include "myalloc.h"
#include "nckwtr.h"
#include "p.h"
#include "q1a.h"
#include "q1glbl.h"
#include "q5.h"
#include "rpz.h"
#include "tsd.h"

//#define INCLUDE_LOGGING
#include "log.h"


tuple_dict *frss_dict;

tsd *unres_con;
tsd *res_con;
int precedence_level = 0;
int enum_base = 0;

tsd *prr;
tsd *key_mess;
tsd *rename_macro_list;

int void_token_type = 1;
int int_token_type;
int long_token_type;
unsigned nprods = 0;

syntax_states syntax_state = syntax_error;

const char *syntaxStateString[] = {
  "Ready",
  "Loaded",
  "Error",
  "Parsed",
  "Analyzed",
  "Built"
};

char_set_map *map_char_set = NULL;
unsigned *part_list = NULL;
unsigned *chars_list = NULL;

static int ints[2];

list_dict *char_set_dict = NULL;
list_dict *key_list_dict = NULL;
list_dict *part_dict     = NULL;
list_dict *prod_dict     = NULL;
list_dict *vp_prod_dict  = NULL;

vp_prod_number_map *map_vp_prod_number = NULL;

unsigned *previous_states_list = NULL;
unsigned *completed_forms_list = NULL;
unsigned *gotos_list = NULL;
unsigned *reductions_list = NULL;
unsigned *a_actions_list = NULL;
unsigned *t_actions_list = NULL;
unsigned *p_actions_list = NULL;
unsigned *completions_list = NULL;
unsigned *chain_completions_list = NULL;
unsigned *chain_gotos_list = NULL;
unsigned *reduction_states_list = NULL;
unsigned nstates;

part_number_map *map_part_number = NULL;

char_number_map *map_char_number = NULL;
int max_char_number = -1;
int min_char_number = 0;
unsigned n_chars = 0;


/* flags */


FILE        *h_file = NULL;
FILE        *pe_file = NULL;

char        *key_ends = NULL;
tsd         *key_table = NULL;
unsigned     n_key_ends = 0;
int          max_key_length = 0;

int character_seen;

AgStack<int> distinguishSets;

static void reset_summary_lists(void) {
  part_list =  reset_list(part_list, 260);
  chars_list = reset_list(chars_list, 260);
}

static void reset_result_lists(void) {
  previous_states_list = reset_list(previous_states_list, 0);
  completed_forms_list = reset_list(completed_forms_list, 0);
  gotos_list = reset_list(gotos_list, 0);
  reductions_list = reset_list(reductions_list, 0);
  a_actions_list = reset_list(a_actions_list, 0);
  t_actions_list = reset_list(t_actions_list, 0);
  p_actions_list = reset_list(p_actions_list, 0);
  completions_list = reset_list(completions_list, 0);
  chain_completions_list = reset_list(chain_completions_list, 0);
  chain_gotos_list = reset_list(chain_gotos_list, 0);
  reduction_states_list = reset_list(reduction_states_list, 0);
}

#define reset_map(name, n) \
    map_##name = (name##_map *) \
	reset_array_size(map_##name, n, sizeof(name##_map))

static void reset_summary_arrays(void) {
  reset_map(char_number, 260);
  reset_map(char_set, 50);
  reset_map(part_number, 50);
  reset_map(vp_prod_number, 50);
}

void init_data(void) {
  LOGSECTION("init_data");

  reset_summary_lists();
  LOGS("summary lists reset");

  reset_result_lists();
  LOGS("result_lists reset");

  reset_summary_arrays();
  LOGS("summary_arrays reset");

  max_key_length = 0;
  map_state_number = (state_number_map *) 
	init_array(0, sizeof(state_number_map));
  nstates = 0;
  semantic_productions = 0;

  isht_dict = null_list_dict();
  frss_dict = null_tuple_dict(3);

  completed_form_dict = null_tuple_dict(2);
  MAP(completed_form, 20);

  unres_con = spec_tsd(0, 4);
  res_con = spec_tsd(0, 4);
  prr = spec_tsd(0, 4);
  key_mess = spec_tsd(0, 4);
  sgt = spec_tsd(100, 3);
  srt = spec_tsd(100, 2);

  rename_macro_list = spec_tsd(0, 2);

  disregard_token = disregard_cont_rule = disregard_skip_rule = 0;
  disregardList.reset();

  distinguishSets.reset();

  char_set_dict = null_list_dict();
  part_dict = null_list_dict();

  vp_prod_dict = null_list_dict();
  add_list_dict(ints, 0, char_set_dict);
  add_list_dict(ints, 0, part_dict);
  add_list_dict(ints, 0, vp_prod_dict);
  error_token = eof_token = 0;
  n_chars = min_char_number = 0;
  max_char_number = -1;

  ibnfb = ibnfs = NULL;
  ibnfn = NULL;
  token_perm = NULL;
  precedence_level = 0;
  nprods = 0;
  n_conflicts = 0;
  enum_base = 0;
  reset_errors();

  token_perm = NULL;
}

void reset_summary_data(void) {
  LOGSECTION("reset_summary_data");
  reset_summary_lists();
  reset_summary_arrays();

  delete_tsd(bnf_table);
  bnf_table = spec_tsd(200,2);

  if (key_table != NULL) {
    key_table = delete_tsd(key_table);
  }

  if (key_list_dict != NULL) {
    key_list_dict = delete_list_dict(key_list_dict);
  }

  if (key_ends != NULL) {
    DEALLOCATE(key_ends);
    key_ends = NULL;
  }

  n_key_ends = 0;
  max_key_length = 0;
  disregardList.reset();
  disregard_token = disregard_cont_rule = disregard_skip_rule = 0;
  distinguishSets.reset();
  ibnf_table = delete_tsd(ibnf_table);

  reset_list_dict(char_set_dict);
  reset_list_dict(part_dict);
  reset_list_dict(vp_prod_dict);

  add_list_dict(ints, 0, char_set_dict);
  add_list_dict(ints, 0, part_dict);
  add_list_dict(ints, 0, vp_prod_dict);
  n_chars = min_char_number = 0;
  max_char_number = -1;
  nforms = ntkns = 0;
  character_seen = 0;

  if (token_perm != NULL) {
    DEALLOCATE(token_perm);
    token_perm = NULL;
  }

  if (ibnfn != NULL) {
    DEALLOCATE(ibnfn);
    ibnfn = NULL;
  }

  if (ibnfb != NULL) {
    DEALLOCATE(ibnfb);
    ibnfb = NULL;
  }

  if (ibnfs != NULL) {
    DEALLOCATE(ibnfs);
    ibnfs = NULL;
  }

  //partition_required = 0;
  syntax_error_flag = 0;
  parse_abort_flag = 0;
  precedence_level = 0;
  enum_base = 0;
  nprods = 0;
  semantic_productions = 0;
  reset_errors();
}

static void reset_result_tuples(void) {
  reset_list_dict(isht_dict);
  reset_tuple_dict(frss_dict);
  reset_tuple_dict(completed_form_dict);
  reset_array(map_completed_form);
  reset_tsd(sgt);
  reset_tsd(srt);
  reset_tsd(unres_con);
  reset_tsd(res_con);
  reset_tsd(prr);
  reset_tsd(key_mess);
  reset_tsd(rename_macro_list);
}

void reset_result_data(void) {
  LOGSECTION("reset_result_data");
  reset_result_lists();
  reset_result_tuples();
  reset_array(map_state_number);
  nstates = kits = nits = 0;
  n_conflicts = 0;
  clear_conflict_expansion();
  if (key_table != NULL) key_table = delete_tsd(key_table);
  if (key_ends != NULL) {DEALLOCATE(key_ends); key_ends = NULL;}
  n_key_ends = 0;
}