view anagram/agcore/bpe3.cpp @ 11:3aa0f5a02342

Remove unused variable; fix what it was supposed to be doing. (and document it a bit for the next time through here)
author David A. Holland
date Tue, 31 May 2022 00:54:12 -0400
parents 13d2b8934445
children
line wrap: on
line source

/*
 * AnaGram, A System for Syntax Directed Programming
 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
 * See the file COPYING for license and usage terms.
 *
 * bpe3.cpp - build parse engine, rev. 3
 */

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

#include "agarray.h"
#include "agbaltree.h"
#include "agcstack.h"
#include "agdict.h"
#include "agstring.h"
#include "arrays.h"
#include "assert.h"
#include "build.h"
#include "bpe3.h"
#include "bpu.h"
#include "binsort.h"
#include "cd.h"
#include "config.h"
#include "csexp.h"
#include "dict.h"
#include "error.h"
#include "file.h"
#include "keyword.h"
#include "minmax.h"
#include "myalloc.h"
#include "operations.h"
#include "p.h"
#include "q1a.h"
#include "q1glbl.h"
#include "q5.h"
#include "rproc.h"
#include "rpz.h"
#include "rule.h"
#include "symbol.h"
#include "stacks.h"
#include "token.h"
#include "tsd.h"
#include "ut.h"
#include "version.h"

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


AgStack<CSegment> extensionStack;
AgStack<CSegment> cSegmentStack;
int nPrologueSegments;


static const char *copyrightMessage = "copyright";

static const char *control_block_type = "$_pcb_type";
static const char *structNameTemplate = "%_pcb_struct";
static const char *input_type_name    = "$_it_type"; /* dp(input_type_name); */
static const char *typedef_name       = "$_token_type";
static const char *value_stack_type   = "$_vs_type";



static unsigned    *rproc, nrproc;
static void         define_my_macros(const char *);
static int          really_old_style;

static int          actual_stack_size = 0;
static time_t       infile_time_stamp;
string_dict        *my_macros = NULL;
static AgString     pe_file_name;
int                 pe_line_count;

static const char  *LOCUS = "";
static const char  *VOIDB  = "void ";
static const char  *constWord = "const ";
static Cast         grammar_type;
static int          input_token_type = 0;
static AgString     ln_file_name;
static AgString     ln_pe_name;
static unsigned     max_engine_index = 0;
static unsigned     max_pn = 0;
static const char  *missing_diagnostic = "Missing %s";
static const char  *nearWord  = "near ";
static const int    parserLineLength = 76;
static AgString     sfn;
static const char  *unexpected_diagnostic = "Unexpected %s";
static const char  *voidWord   = "void";

char buildErrorMsg[80] = "";

static int parserWriteError;
static int headerWriteError;

static AgBalancedTree< Triple<int> > anomalyCases;

typedef enum {
  accept_key,
  set_key,
  jmp_key,
  end_key,
  no_match_key,
  cf_accept_key,
  cf_set_key,
  cf_end_key
} key_words;


static void gen_input_code(void) {
  char modes[40];
  const char *ps;

  write_code_segment(lines_and_columns ? "init col" : "init nocol");
  strcpy(modes, pointer_input ? " ptr" : " char");
  if (event_driven) {
    strcat(modes," sink");
  }
  //if (key_dict->nsx > 1) {
  //  strcat(modes," key");
  //}
  if (Keyword::count() > 1) {
    strcat(modes," key");
  }
  sss("init macros");
  ass(modes);
  acs(0);
  define_my_macros(string_base);
  rcs();
  select_write_fragment("init", modes, "");

  ps = lines_and_columns ? " col" : "";
  sss("trk macros");
  ass(modes);
  ass(ps);
  acs(0);
  define_my_macros(string_base);
  rcs();
  select_write_fragment("trk", modes, ps);
  ps = "";
  sss("get");
  ass(modes);
  ass(ps);
  acs(0);
  define_my_macros(string_base);
  rcs();
}

static void stack_null_rules(int f) {
  int *rtl = ibnfs + ibnfb[f];
  int nrt = ibnfn[f];
  while (nrt-- && !map_token_number[rtl[nrt]].subgrammar) {
    xws(rtl[nrt]);
  }
}

static int check_anomaly(int sn, int f, int n, int tn) {
  LOGSECTION("check_anomaly");
  LOGV(sn) LCV(f) LCV(n) LCV(tn);

  state_number_map *sp = &map_state_number[sn];
  const int *rtl;
  unsigned nrt;
  unsigned i;

  if (anomalyCases.insert(Triple<int>(sn, f, n))) {
    return 0;
  }

  if (n) {
    unsigned *p = lstptr(*sp, previous_states);
    int nt = sp->n_previous_states;

    n--;
    while (nt--) {
      int ns = *p++;
      int rs = check_anomaly(ns, f, n, tn);
      if (rs) {
	return rs;
      }
    }
    return 0;
  }

  rtl = ibnfs + ibnfb[f];
  nrt = ibnfn[f];
  iws();
  while (nrt-- && !map_token_number[rtl[nrt]].subgrammar) {
    aws(rtl[nrt]);
  }
  for (i = 0; i < (unsigned) tis(); i++) {
    int t = list_base[i];
    const unsigned *px = lstptr(*sp, completions);
    int kn = sp->n_completions;
    int flag = 0;

    while (kn--) {
      const int rtk = *px++, g = *px++;
      int rs;
      if (rtk != t) {
	continue;
      }
      rs = check_anomaly(sn, g, Rule(g)->length()-1, tn);
      if (rs) {
	return rws(),rs;
      }
      flag++;
      break;
    }
    if (flag) {
      continue;
    }
    px = lstptr(*sp, gotos);
    kn = sp->n_gotos;
    while (kn--) {
      int rtk = *px++, s = *px++;
      int fx;
      unsigned *rp;
      unsigned nr;

      if (rtk != t) {
	continue;
      }
      if (shift_token(tn, s)) {
	break;
      }
      Rule rule = ruleReducedBy(tn, s);
      if (rule.isNotNull()) {
        fx = rule->length();
        if (fx) {
          int rs = check_anomaly(sn, rule, fx-1, tn);
          if (rs) {
	    return rws(), rs;
	  }
          continue;
        }
        stack_null_rules(rule);
        continue;
      }
      sp = &map_state_number[s];
      nr = sp->n_completed_forms;
      if (nr == 0) {
	return rws(), s;
      }
      rp = lstptr(*sp, completed_forms);
      for (i = 0; i < nr; i++) {
        fx = Rule(rp[i])->length();
        if (fx) {
          int rs = check_anomaly(sn, rp[i], fx-1, tn);
          if (rs) {
	    return rws(),rs;
	  }
          continue;
        }
        stack_null_rules(rp[i]);
      }
    }
  }
  rws();
  return 0;
}


/*
 * reducing_token(tn, sn) returns 0 if tn is not a reducing token in state sn.
 * Otherwise it returns the number of the rule it reduces.
 */

static void check_keys(int sn) {
  LOGSECTION("check_keys");
  LOGV(sn);
  int kl = map_state_number[sn].key_list;
  unsigned *token_list = lstptr(map_state_number[sn], t_actions);
  unsigned nt = map_state_number[sn].n_actions;
  int k;
  const int *kp;
  int nk;

  if (kl == 0) {
    /* no keywords in this state; return */
    return;
  }

  AgBalancedTree<AgArray<int> > parseErrorTree;
  AgBalancedTree<AgArray<int> > noParseErrorTree;

  //LOGSECTION("check_keys");
  kp = dict_str(key_list_dict, kl);     /* get list of keyword tokens */
  nk = *kp++ - 1;                       /* length of list */
  LOGV(sn) LCV(nt) LCV(nk);
  for (k = 0; k < nk; k++) {            /* for each keyword token */
    int flag = 0;
    unsigned t;
    unsigned char *ks;
    Token keywordToken = kp[k];
    //unsigned kf = reducing_token(kp[k], sn);
    Rule rule = ruleReducedBy(keywordToken, sn);
    int rs;
    int rt;
    int i;
    LOGSECTION("keyword loop");
    LOGV(k) LCV(keywordToken) LCV(rule);

    /* if kp[k] doesn't reduce anything or is marked anomalous, continue */

    //if (kf == 0 || map_token_number[kp[k]].reserved_word) {
    //  continue;
    //}
    if (rule.isNull() || keywordToken->reserved_word) {
      continue;
    }

    /* kf is non-zero, therefore kp[k] reduces rule kf. */

    Keyword key = keywordToken->key;   /* get actual key index */
    KeywordDescriptor &keyDescriptor(key);
    //rt = key->reserve;
    rt = keyDescriptor.reserve;
    LOGV(rt);

    //ks = key_string(keywordToken);
    //ks = (unsigned char *) key->string.pointer();
    ks = (unsigned char *) keyDescriptor.string.pointer();
    LOGV(ks) LCV(key);
    AgStack<int> tokenList;
    unsigned char *ksp = ks;
    while (*ksp) {
      tokenList.push(map_char_number[*ksp++ - min_char_number].token_number);
    }
    int listSize = tokenList.size();
    LOGV(listSize);
    AgArray<int> tokenArray(listSize);
    while(listSize--) {
      tokenArray[listSize] = tokenList[listSize];
    }
    if (parseErrorTree.includes(tokenArray)) {
      continue;
    }

    //if (keyword_problem(sn, ks, key) < 0) {
    //  continue;
    //}
    if (!noParseErrorTree.includes(tokenArray)) {
      if (keyword_problem(sn, tokenArray, key) < 0) {
        parseErrorTree.insert(tokenArray);
        continue;
      }
      noParseErrorTree.insert(tokenArray);
    }

    t = map_char_number[*ks - min_char_number].token_number;

/*  if (string_cannot_be_shifted((unsigned char *)ks, sn)) continue; */

    LOGV(nt);
    for (i = 0; flag == 0 && (unsigned) i < nt; i++) {
      const unsigned char *kks;
      unsigned length;
      int rts;

      //if (reducing_token(token_list[i],sn) == kf) continue;
      if (ruleReducedBy(token_list[i],sn) == rule) continue;

      flag = token_list[i] == t;
      if (flag) {
	break;
      }

      kks = key_string(token_list[i]);
      if (kks == NULL) {
	continue;
      }

      //rts = map_key_word[map_token_number[token_list[i]].key].reserve;
      //rts = Keyword(map_token_number[token_list[i]].key)->reserve;
      rts = map_token_number[token_list[i]].key->reserve;

      if (rt == rts) {
	continue;
      }
      length = strlen((const char *) kks);
      flag = length < strlen((const char *) ks) 
	&& strncmp((const char *) ks,(const char *) kks, length) == 0;
    }
    if (!flag) {
      continue;
    }
    rs = check_anomaly(sn,rule, rule->length(), keywordToken);
    anomalyCases.reset();
    if (rs) {
      at(key_mess, sn, (int) keywordToken, (int) rule, rs);
    }
  }
}

void build_parse_table(void) {
  unsigned n;
  unsigned sn;
  int default_off = !default_reductions || error_token != 0;

  LOGSECTION("build_parse_table");
  parse_table_length = 0;
  max_pn = 0;
  LOGV(nforms_base);
  LOGV(nforms);
  if (traditional_engine) nforms_base = nforms;
  n = (n_gotos + n_completions + n_reductions +
       n_default_reductions + nits);
  check_size(a_actions_list,n,n);
  check_size(t_actions_list,n,n);
  check_size(p_actions_list,n,n);

  LOGS("call build_key_tables");
  LOGV(nforms_base);
  LOGV(nforms);
  build_key_tables();

  nstates = nits;
  LOGV(nstates);

  for (sn = 0; sn < nstates; sn++) {
    int default_ok = !default_off;
    state_number_map *sp = &map_state_number[sn];
    int error_flag = 0;
    int error_act = pe_syn_error, error_pn = 0;
    const int *items = dict_str(isht_dict, sn);
    int null_token_flag = 0;
    int null_token_form = 0;
    unsigned tn, pn;
    pe_parser_action act;
    const unsigned *p;
    unsigned i;

    LOGV(sn);
    LOGV(sp->n_completed_forms) LCV(sp->n_completions);
    if (sp->n_completed_forms == 1) {
      const unsigned *fp = lstptr(*sp, completed_forms);
      Rule rule(*fp);
      RuleDescriptor &ruleDescriptor(rule);
/*
      if (!default_ok && default_reductions) {
        default_ok = !rule->proc_name || rule->immediate_proc;
      }
      default_ok &= rule->length() != 0;
*/
      if (!default_ok && default_reductions) {
        default_ok = !ruleDescriptor.reductionRequired
	  || ruleDescriptor.immediate_proc;
        //default_ok = !ruleDescriptor.proc_name
	//  || ruleDescriptor.immediate_proc;
      }
      default_ok &= ruleDescriptor.length() != 0;
    }
    default_ok &= !traditional_engine;
    if (default_ok) {
      int fn, fx;
      items++;
      fn = *items++;
      fx = *items++;
      if (fx > 1 && Rule(fn).token(fx-1)==Token(error_token)) {
	default_ok=0;
      }
    }

    iws();

    /* first fast loops on terminal tokens */
    n = find_completions(sn, &p);
    for (i = 0; i < n; i++) {
      Token token = *p++;
      Rule rule = pn = *p++;
      //assert(pn <= nforms_base);
      assert((unsigned) rule <= nforms_base);
      //if (tn == error_token) default_ok = 0;
      if ((int) token == error_token) default_ok = 0;

      //Rule rule(pn);
      //Token token(tn);
      if (token->non_terminal_flag) {
	continue;
      }
      if (!rule->fast_loop) {
	continue;
      }
      if (rule.isNull()) {
	act = pe_shift_accept;
      }
      else if (!token->non_terminal_flag &&
                rule->length() == 2 &&
                ibnfn[(int) rule] == 1 &&
                error_token != token &&
                rule.token(0) == rule->prim_tkn)
      {
        act = pe_skip_reduce;
        //if (rule->proc_name == 0) {
        if (rule->reductionRequired == 0) {
          act = pe_skip;
        }
      }
      //else if (rule->proc_name || ibnfn[(int) rule] > 1)
      else if (rule->reductionRequired || ibnfn[(int) rule] > 1) {
        act = pe_shift_reduce;
      }
      else {
	act = pe_shift_simple_reduce;
      }
      aws(act); aws(token); aws(rule);
      LOGV(act) LCV(token) LCV(rule);
    }
    /* then completions by terminal tokens */
    n = find_completions(sn, &p);
    for (i = 0; i < n; i++) {
      Token token = *p++;
      Rule rule = pn = *p++;
      assert( (unsigned) rule <= nforms_base);
      if ((int) token == error_token) {
	default_ok = 0;
      }
      if (token->non_terminal_flag) {
	continue;
      }
      if (rule->fast_loop) {
	continue;
      }
      if (rule.isNull()) {
	act = pe_shift_accept;
      }
      //else if (rule->proc_name || ibnfn[(int)rule] > 1)
      else if (rule->reductionRequired || ibnfn[(int)rule] > 1) {
        act = pe_shift_reduce;
      }
      else {
	act = pe_shift_simple_reduce;
      }
      if ((int) token == error_token) {
        error_act = act;
        error_pn = (int) rule;
        error_flag = 1;
        continue;
      }
      aws(act); aws((int) token); aws((int)rule);
      LOGV(act) LCV((int) token) LCV((int) rule);
    }
    /* go_tos on terminal tokens first */
    n = find_gotos(sn, &p);
    for (i = 0; i < n; i++) {
      tn = *p++; pn = *p++;
      if (map_token_number[tn].non_terminal_flag) {
	continue;
      }
      if ((int) tn == error_token) {
        default_ok = 0;
        error_act = pe_go_to;
        error_pn = pn;
        error_flag = 1;
        continue;
      }
      aws(pe_go_to); aws(tn); aws(pn);
      LOGV(pe_go_to) LCV(tn) LCV(pn);
    }

    /* now reductions */
    LOGS("Now reductions") LCV(sp->n_reductions);
    p = lstptr(*sp,reductions);
    n = sp->n_reductions;
    LOGV(default_ok) LCV(sp->n_completed_forms);
    if (default_ok == 0 || sp->n_completed_forms != 1) {
      for (i = 0; i < n; i++) {
        tn = *p++; pn = *p++;
        assert(pn <= nforms_base);
        if (tn == 0) {
          null_token_flag = 1;
          null_token_form = pn;
          continue;
        }
        act = pe_simple_reduce;
        Rule rule(pn);
        if (pn == 0) {
	  act = pe_accept;
	}
        //else if (rule->proc_name || ibnfn[(int) rule] > 1)
        else if (rule->reductionRequired || ibnfn[(int) rule] > 1) {
          act = pe_reduce_form;
	}
        else if (rule->length() == 0
                 && !traditional_engine
                 && !rule_coverage
                 && (int) tn != error_token) {
          unsigned *p;
          unsigned n,t;

          p = lstptr(*sp, gotos);
          n = sp->n_gotos;
          t = rule->prim_tkn;
          while (n && *p++ != t) {
	    p++;
	    n--;
	  }
          if (n && x2d(*p, tn)) {
            LOGSECTION("pe_null_go_to");
            pn = *p;
            LOGV(sn) LCV(pn) LCV(tn) LCV(t) LCV(new_next_state(sn, tn));
            act = pe_null_go_to;
          }
        }
        aws(act); aws(tn); aws(pn);
        LOGV(act) LCV(tn) LCV(pn);
      }
    }

    if (error_flag) {
      aws(error_act); aws(error_token); aws(error_pn);
      LOGV(error_act) LCV(error_token) LCV(error_pn);
    }
    /* default action */
    LOGS("default action");
    if (null_token_flag) {
      pn = null_token_form;
      act = pe_simple_reduce;
      if (pn == 0) {
	act = pe_accept;
      }
      //else if (Rule(pn)->proc_name || ibnfn[pn] > 1)
      else if (Rule(pn)->reductionRequired || ibnfn[pn] > 1) {
        act = pe_reduce_form;
      }
    }
    else if (default_ok &&
      sp->n_completed_forms == 1) {
      //form_number_map *fp;

      p = lstptr(*sp,completed_forms);
      pn = *p++;
      LOGV(pn);

      assert(pn <= nforms_base);
      Rule rule(pn);
      act = pe_simple_reduce;
      if (pn == 0) {
	act = pe_accept;
      }
      //else if (rule->proc_name || ibnfn[pn] > 1)
      else if (rule->reductionRequired || ibnfn[pn] > 1) {
        act = pe_reduce_form;
      }
      else if (sp->n_gotos == 0) {
        act = pe_simple_reduce;
      }
    }
    else {
      act = pe_syn_error, pn = sn;
    }

    {
      int *lb = list_base;
      unsigned n = rws()/3;
      int k = n;
      tsd *tt = spec_tsd(n, 3);
      sp->n_terminals = (int) n;
      while (k--) {
	int a = *lb++, t = *lb++, p = *lb++;
	at(tt, t,a,p);
      }
      sort_tuples(tt, 1);
      iws();
      lb = tt->sb + 3*n;
      while (n--) {
	int p = *--lb, a = *--lb, t = *--lb;
	aws(a), aws(t), aws(p);
        LOGV(a) LCV(t) LCV(p);
      }
      delete_tsd(tt);
    }

    aws(act); aws(0); aws(pn);
    LOGV(act) LCV(0) LCV(pn);
    iws();
    n = find_completions(sn, &p);
    for (i = 0; i < n; i++) {
      //token_number_map *tp;
      //form_number_map *fp;

      tn = *p++;
      pn = *p++;

      Token token(tn);
      if (!token->non_terminal_flag) {
	continue;
      }
      Rule rule(pn);
      if (pn == 0) {
	act = pe_shift_accept;
      }
      //else if (rule->proc_name || ibnfn[pn] > 1)
      else if (rule->reductionRequired || ibnfn[pn] > 1) {
        act = pe_shift_reduce;
      }
      else {
	act = pe_shift_simple_reduce;
      }
      aws(act); aws(tn); aws(pn);
      LOGV(act) LCV(tn) LCV(pn);
    }
    n = find_gotos(sn,&p);
    for (i = 0; i < n; i++) {
      tn = *p++;
      pn = *p++;
      if (!map_token_number[tn].non_terminal_flag) {
	continue;
      }
      aws(pe_go_to); aws(tn); aws(pn);
      LOGV(pe_go_to) LCV(tn) LCV(pn);
    }


    {
      int *lb = list_base;
      unsigned n = rws()/3;
      int k = n;
      tsd *tt = spec_tsd(n, 3);
      while (k--) {
	int a = *lb++, t = *lb++, p = *lb++;
	at(tt, t,a,p);
      }
      sort_tuples(tt, 1);
      iws();
      lb = tt->sb;
      while (n--) {
	int t = *lb++, a = *lb++, p = *lb++;
	aws(a), aws(t), aws(p);
        LOGV(a) LCV(t) LCV(p);
      }
      delete_tsd(tt);
    }
    concat_list();
    select_actions(0);
    sp->a_actions_index = store_list(a_actions_list);
    rws();
    select_actions(1);
    sp->t_actions_index = store_list(t_actions_list);
    rws();
    select_actions(2);
    sp->p_actions_index = store_list(p_actions_list);
    rws();
    n = rws()/3;
    parse_table_length += (sp->n_actions = n);

    p = lstptr(*sp, p_actions);
    for (i = 0; i < n; i++) max_pn = max(max_pn, p[i]);
  }
  LOGS("Ready to check keywords");
  if (event_driven) parse_table_length++;
  if (Keyword::count() > 1) {
    if (badRecursionFlag) {
      ssprintf("Keyword anomaly analysis aborted: %s", badRecursionFlag);
      log_error();
    }
    else {
      for (sn = 0; sn < nstates; sn++) {
	check_keys(sn);
      }
    }
  }
}

static void wr_char_map(const int *l) {
  int i = min_char_number;
  int k = 0;
  unsigned n = *l++ - 1;

  assert(n <= n_chars);
  for (; n--; l++) {
    assert(*l >= min_char_number && *l <= max_char_number);
    for (; i <= *l; i++) {
      wpe(" %d,", i == *l);
      if (++k < 24) {
	continue;
      }
      wpe("\n");
      k = 0;
    }
  }
  for (; i <= max_char_number; i++) {
    wpe(" 0,");
    if (++k < 24) {
      continue;
    }
    wpe("\n");
    k = 0;
  }
  if (k) {
    wpe("\n");
  }
}

static void write_key_tables(void) {
  unsigned sn;
  unsigned ps, *p;
  int i;
  unsigned ch, act, parm, jmp;
  const char *cs;
  const char *type = ntkns <= 255 ? "char" : ntkns <= 65535 ? "short" : "int";
  unsigned ncs = char_set_dict->nsx;
  int nkw = Keyword::count();
  //int *map_cs_ax = local_array(ncs, int);
  LocalArray<int> map_cs_ax(ncs);
  //int *map_kw_tn = local_array(nkw, int);
  LocalArray<int> map_kw_tn(nkw);
  //unsigned char *cs_flag = local_array(ncs, unsigned char);
  LocalArray<unsigned char> cs_flag(ncs);
  int ncm;
  int npt = 0;

  memset(cs_flag, 0, ncs);
  memset(map_kw_tn, 0, nkw * sizeof(int));

  {
    ncm = 0;
    wpe("\nstatic %sunsigned char %sag_key_itt[] = {\n", constWord, LOCUS);
    for (i = 1; i < nkw; i++) {
      //unsigned cs = map_key_word[i].reserve;
      Keyword keyword = i;
      KeywordDescriptor &keywordDescriptor(keyword);
      //int cs = keyword->reserve;
      int cs = keywordDescriptor.reserve;
      assert(cs < (int) ncs);
      if (cs == 0) {
	continue;
      }
      if (cs_flag[cs] == 0) {
        map_cs_ax[cs] = ncm*n_chars - min_char_number;
        ncm++;
        cs_flag[cs] = ncm != 0;
        wr_char_map(dict_str(char_set_dict, cs));
      }
      //map_kw_tn[i] = map_key_word[i].token_number;
      //map_kw_tn[i] = keyword->token_number;
      map_kw_tn[i] = keywordDescriptor.token_number;
    }
    wpe(" 0\n};\n\nstatic %sunsigned short %sag_key_pt[] = {\n",
	constWord, LOCUS);
    ps = 2;
    cs = "";
    for (i = 1; i < nkw; i++) {
      Keyword keyword = i;
      //int csn = map_key_word[i].reserve;
      int csn = keyword->reserve;
      if (csn == 0) {
	continue;
      }
      ps += wpe("%s%3d,%3d", cs, map_cs_ax[csn], map_kw_tn[i]);
      map_kw_tn[i] = npt;
      npt += 2;
      if (ps > 64) {
	ps = 0, cs = ",\n";
      }
      else {
	cs = ",";
      }
    }
    wpe("%s0\n};\n",cs);
  }
  cs = "  ";
  ps = 2;
  p = (unsigned *) key_table->sb;
  wpe("\nstatic %sunsigned char %sag_key_ch[] = {\n", constWord, LOCUS);
  for (i = 0; i < (int) key_table->nt; i++) {

    ch = *p++;
    act = *p++;
    parm = *p++;
    jmp = *p++;

    if (!case_sensitive) {
      ch = agToUpper((char) ch);
    }
    ps += wpe("%s%3d", cs, ch);
    if (ps > 72) {
      ps = 0, cs  = ",\n  ";
    }
    else {
      cs = ",";
    }
  }
  wpe("\n};\n");

  cs = "  ";
  ps = 2;
  p = (unsigned *) key_table->sb;
  wpe("\nstatic %sunsigned char %sag_key_act[] = {\n", constWord, LOCUS);
  for (i = 0; i < (int) key_table->nt; i++) {
    //int key;

    ch = *p++;
    act = *p++;
    parm = *p++;
    jmp = *p++;

    //key = map_token_number[parm].key;
    Keyword key = map_token_number[parm].key;
    //if (key && map_key_word[key].reserve) switch (act) {
    if (key.isNotNull() && key->reserve) {
      switch (act) {
	case accept_key: act = cf_accept_key;
	  break;
	case set_key: act = cf_set_key;
	  break;
	case end_key: act = cf_end_key;
	  break;
      }
    }
    ps += wpe("%s%1d", cs, act);
    if (ps > 72) {
      ps = 0, cs  = ",\n  ";
    }
    else {
      cs = ",";
    }
  }
  wpe("\n};\n");

  cs = "  ";
  ps = 2;
  p = (unsigned *) key_table->sb;

  wpe("\nstatic %sunsigned %s %sag_key_parm[] = {\n",constWord, type, LOCUS);
  for (i = 0; i < (int) key_table->nt; i++) {
    //int key;

    ch = *p++;
    act = *p++;
    parm = *p++;
    jmp = *p++;

    //key = map_token_number[parm].key;
    Keyword key = map_token_number[parm].key;
    //if (key && map_key_word[key].reserve) switch (act) {
    if (key.isNotNull() && key->reserve) {
      switch (act) {
	case accept_key:
	case set_key:
	case end_key:
	  parm = map_kw_tn[(int) key];
      }
    }
    ps += wpe("%s%3d", cs, parm);
    if (ps > 72) {
      ps = 0, cs  = ",\n  ";
    }
    else {
      cs = ",";
    }
  }
  wpe("\n};\n");

  cs = "  ";
  ps = 2;
  p = (unsigned *) key_table->sb;

  /*
   * Originally this was (equivalent to)
   *
   *    size = key_table->nt
   *
   * but that was commented out and replaced with (code equivalent to)
   *
   *    size = n_key_ends;
   *
   * but that definitely breaks if there are more than 256 keywords;
   * see for example manykw.syn in the test suite. It's also clear
   * from the parse engine code that there can be cases where
   * n_key_ends matters. So take the max. I think token numbers
   * (where one would check ntkns as above) are not involved here.
   *
   * - dholland 6/3/2007
   */

  unsigned size = max(key_table->nt, n_key_ends);
  type = size <= 255 ? "char"
       : size <= 65535 ? "short"
       : "int";

  wpe("\nstatic %sunsigned %s %sag_key_jmp[] = {\n", constWord, type, LOCUS);
  for (i = 0; i < (int) key_table->nt; i++) {

    ch = *p++;
    act = *p++;
    parm = *p++;
    jmp = *p++;

    ps += wpe("%s%3d", cs, jmp);
    if (ps > 72) {
      ps = 0, cs  = ",\n  ";
    }
    else {
      cs = ",";
    }
  }
  wpe("\n};\n");

  cs = "  ";
  ps = 2;

  if (key_table->nt > 65535) {
    type = "int";
  }
  else if (key_table->nt >255) {
    type = "short";
  }
  else {
    type = "char";
  }

  wpe("\nstatic %sunsigned %s %sag_key_index[] = {\n", constWord, type, LOCUS);
  for (sn = 0; sn < nstates; sn++) {
    ps += wpe("%s%3d", cs, map_state_number[sn].key_index);
    if (ps > 72) {
      ps = 0, cs  = ",\n  ";
    }
    else {
      cs = ",";
    }
  }
  if (event_driven) {
    wpe("%s%3d", cs, 0);
  }
  wpe("\n};\n");

  ps = 2;
  wpe("\nstatic %sunsigned char %sag_key_ends[] = {\n", constWord, LOCUS);
  if (n_key_ends) {
    for (i = 0; i < (int) n_key_ends; ) {
      char *s = key_ends+i;
      int k = 3*strlen(s) + 4;
      cs = "";
      if (ps + k> 72) {
	cs = "\n", ps = 0;
      }
      sss(cs);
      if (case_sensitive) {
	while (*s) {
	  apprintf("%u,", (unsigned char) *s++);
	}
      }
      else {
	while (*s) {
	  apprintf("%u,", (unsigned char) agToUpper(*s++));
	}
      }
      ass("0, ");
      acs(0);
      ps += wss();
      i += strlen(key_ends+i)+1;
    }
  }
  else {
    wpe("  0");
  }
  wpe("\n};\n");
}

static const char *more = ",";
static int lm = 1;
static const char *line = ",\n  ";

static void write_parse_table_actions (void) {
  const char *cs = "  ";
  unsigned ks;
  unsigned sx = 0;
  int kw = 0;

  wpe("\nstatic unsigned %schar %sag_astt[%d] = {\n",
      constWord, LOCUS, parse_table_length);

  for (ks = 0; ks < nstates; ks++) {
    state_number_map *sp = &map_state_number[ks];
    unsigned *p = lstptr(*sp, a_actions);
    int n = sp->n_actions;
    int i;

    for (i = 0; i < n; i++) {
      unsigned an = *p++;
      int nc = ssprintf("%u", an);
      if (an > pe_recover) {
	assert(0);
      }
      sx++;
      if (kw + nc >= parserLineLength) {
        cs = line;
        kw = -2;
      }
      wps(cs);
      kw += strlen(cs) + wss();
      cs = more;
    }
    sp->engine_index = sx - 1;
  }
  if (event_driven) {
    wpe("%s%d\n};\n\n", cs, pe_recover);
    max_engine_index = sx;
    return;
  }
  wpe("\n};\n\n");
  max_engine_index = sx -1;
}

static void write_parse_table_params (void) {
  const char *cs = "";
  unsigned ks;
  unsigned sx = 0;
  int lc = 0;
  unsigned np = max_pn;
  const char *type = np <= 255 ? "char" : np <= 65535 ? "short" : "int";

  wpe("\nstatic %sunsigned %s %sag_pstt[] = {\n", constWord, type, LOCUS);
  for (ks = 0; ks < nstates; ks++) {
    state_number_map *sp = &map_state_number[ks];
    int kw = 0;
    unsigned *p = lstptr(*sp, p_actions);
    int n = sp->n_actions;
    int i;

    for (i = 0; i < n; i++) {
      int nc = ssprintf("%u", *p++);
      sx++;
      if (kw + nc + lc >= parserLineLength) {
        cs = line;
        kw = 0;
      }
      wps(cs);
      kw += strlen(cs) + wss();
      cs = more;
      lc = lm;
    }
    sp->engine_index = sx - 1;
    wps(",\n");
    cs = "";
    lc = 0;
  }
  if (event_driven) {
    wpe("  0\n};\n\n");
    max_engine_index = sx;
    return;
  }
  wpe("\n};\n\n");
  max_engine_index = sx -1;
}

static void set_my_macro(const char *, const char *, ...) PRINTFFY (2,3);

static void write_parse_table_tokens (void) {
  const char *cs = "";
  unsigned ks;
  unsigned sx = 0;
  int lc = 0;
  const char *type = ntkns <= 255 ? "char" : ntkns <= 65535 ? "short" : "int";

  set_my_macro("AG_TSTT_TYPE","%sunsigned %s", constWord, type);
  set_my_macro("AG_TSTT_CAST","unsigned %s", type);
  wpe("static %sunsigned %s %sag_tstt[] = {\n", constWord, type, LOCUS);

  for (ks = 0; ks < nstates; ks++) {
    state_number_map *sp = &map_state_number[ks];
    //int nterm = 0;
    int kw = 0;
    unsigned *p = lstptr(*sp, t_actions);
    int n = sp->n_actions;
    int i;

    for (i = 0; i < n; i++) {
      int nc;
      int tn = *p++;

      //if (tn && !map_token_number[tn].non_terminal_flag) nterm++;
      nc = ssprintf("%u",tn);
      sx++;
      if (kw + nc + lc >= parserLineLength) {
        cs = line;
        kw = 0;
      }
      wps(cs);
      kw += strlen(cs) + wss();
      cs = more;
      lc = lm;
    }
    sp->engine_index = sx - 1;
    wps(",\n");
    cs = "";
    lc = 0;
  }
  if (event_driven) {
    wpe("  0\n};\n\n");
    max_engine_index = sx;
    return;
  }
  max_engine_index = sx -1;
  wpe("\n};\n\n");
}

static void write_header(const char *pname) {
  if (rule_coverage) {
    AgString cfile = subs_template(simple_file_name.pointer(), 
				   coverage_file_name.pointer(), '#');

    set_my_macro("AG_COUNT_FILE", "\"%s\"", cfile.pointer());
    set_my_macro("AG_COUNT_FILE_ID", "%ldL", (long) infile_time_stamp);
    set_my_macro("AG_READ_COUNTS", "%s%s_read_counts(%s)",
		 VOIDB, pname, voidWord);
    set_my_macro("AG_WRITE_COUNTS", "%s%s_write_counts(%s)",
		 VOIDB, pname, voidWord);
    define_macro("READ_COUNTS", "%s_read_counts()", pname);
    define_macro("WRITE_COUNTS", "%s_write_counts()", pname);
    set_my_macro("AG_COUNT_FILE_RC", "%d", nforms_base+1);
    set_my_macro("AG_RULE_COUNT", "%s_nrc", pname);

    set_my_macro("AG_COUNT_RULE_P", "%s_nrc[(PCB).ag_ap]++;", pname);
    set_my_macro("AG_COUNT_RULE_Z", "%s_nrc[0]++;", pname);

    wpe("unsigned %s_nrc[%d];\n", pname, nforms_base+1);
    write_code_segment("read write counts");
    //DEALLOCATE(cfile);
  }
  else {
    set_my_macro("AG_COUNT_RULE_P", "%s", "");
    set_my_macro("AG_COUNT_RULE_Z", "%s", "");
    define_macro("READ_COUNTS", "%s", "");
    define_macro("WRITE_COUNTS", "%s", "");
  }
}

static void writePrologue() {
  LOGSECTION("writePrologue");
  LOGV(nPrologueSegments);
  if (nPrologueSegments == 0) {
    return;
  }
  nPrologueSegments = 1;
  CSegment &segment = cSegmentStack[0];
  if (segment.length()
      && fwrite(segment.begin, segment.length(), 1, pe_file) == 0) {
    parserWriteError = EOF;
  }
  count_pe_line((const char *)segment.begin, segment.length());
}

static void writeEmbeddedC() {
  LOGSECTION("writeEmbeddedC");
  int n = cSegmentStack.size();
  int i = nPrologueSegments;
  while (i < n) {
    CSegment &segment = cSegmentStack[i];
    if (line_numbers) {
      wpe("#line %d \"%s\"\n", segment.line, ln_file_name.pointer());
    }
    else {
      wpe("/*  Line %d, %s */\n", segment.line, ln_file_name.pointer());
    }
    if (segment.length() 
	&& fwrite(segment.begin, segment.length(),1,pe_file) == 0) {
      parserWriteError = EOF;
    }
    count_pe_line((const char *) segment.begin, segment.length());
    if (line_numbers) {
      wpe("#line %d \"%s\"\n", pe_line_count+2, ln_pe_name.pointer());
    }
    i++;
  }
  if ((unsigned) nPrologueSegments < cSegmentStack.size()) {
    wps("\n");
  }
}

static void writePCBExtensions() {
  LOGSECTION("writePCBExtensions");
  int n = extensionStack.size();
  int i = 0;
  while (i < n) {
    CSegment &segment = extensionStack[i];
    headerWriteError = fprintf(h_file, "/*  Line %d, %s */\n",
			       segment.line, ln_file_name.pointer());
    if (fwrite(segment.begin, segment.length(),1,h_file) == 0) {
      headerWriteError = 1;
    }
    i++;
  }
}

static void define_proc(Procedure proc, int ilFlag, AgString thisArg,
			AgString thisArgc) {
  LOGSECTION("define_proc");
  const char *cs = thisArgc.pointer();
  const char *ft = proc->cast == 1 ? voidWord : Cast(proc->cast)->pointer();
  const char *ilString = ilFlag ? "inline " : "";
  AgString ns = proc_name_string(proc);
  LOGV(proc) LCV(cs) LCV(ft) LCV(proc->cast) LCV(ns);
  wpe("\nstatic %s%s %s%s(", ilString, ft, nearWord, ns.pointer());

  //AgArray<RuleElement> elementList = Rule(proc->form_number)->elementList;
  Rule rule(proc->form_number);
  int bias = rule->op_bias;
  LOGV(rule) LCV(bias);
  AgArray<RuleElement> elementList = 
    bias ? rule->hostElementList : rule->elementList;

  if (really_old_style) {
    unsigned j;
    for (j = 0; j < elementList.size(); j++) {
      RuleElement &element = elementList[j];
      if (element.cVariable == 0) {
	continue;
      }
      wpe("%s%s",cs, cVariableList[element.cVariable].pointer());
      cs = ", ";
    }
    wpe(")\n");
    for (j = 0; j < elementList.size(); j++) {
      RuleElement &element = elementList[j];
      if (element.cVariable == 0) {
	continue;
      }
      wpe("  %s %s;\n",
	  Cast(element.token->value_type)->pointer(),
	  cVariableList[element.cVariable].pointer());
          //dict_str(cast_dict, element.token->value_type),
          //element.cVariable->pointer());
    }
    wpe("{\n");
  }
  else {
    unsigned j;
    int argCount = 0;
    for (j = 0; j < elementList.size(); j++) {
      RuleElement &element = elementList[j];
      if (element.cVariable == 0) {
	continue;
      }
      const char *reference = "";
      Cast type = element.token->value_type;
      if (type.wrapperRequired()) {
	reference = "&";
      }

      //wpe("%s%s %s", cs, 
      //  dict_str(cast_dict, element.token->value_type),
      //  element.cVariable->pointer());

      wpe("%s%s %s%s", cs,
	  Cast(element.token->value_type)->pointer(), reference,
	  cVariableList[element.cVariable].pointer());

      argCount++;
      cs = ", ";
    }
    //cs = argCount ? "" : voidWord;
    cs = argCount ? "" : thisArg.pointer();
    LOGV(argCount) LCV(cs);
    wpe("%s) {\n",cs);
  }
}

static void print_token_names(const char *pname) {
  LOGSECTION("print_token_names");

  define_macro("TOKEN_NAMES", "%s_token_names", pname);
  wpe("%schar *%s%s_token_names[%d] = {\n  \"%s\",\n",
      constWord, constWord, pname, ntkns+1,
      Token(grammar_token)->token_name->string.pointer());

  for (Each<Token> token; token.loopNotFinished(); token.getNext()) {
    char *string;
    Symbol name = token->token_name;

    ics();
    LOGV(token_names_only) LCV(token->fine_structure) LCV(name.isNotNull());
    if (token->fine_structure) {
      /* nothing */
    }
    else if (name.isNotNull()) {
      ass(name->string.pointer());
    }
    else if (!token_names_only) {
      Keyword key = token->key;
      ParseTree tree = token->parse_tree;
      LOGV(key.isNotNull()) LCV(tree.isNotNull());
      if (tree.isNotNull()) {
	LOGV(tree->expression->type);
      }
      if (key.isNotNull()) {
        LOGV(key);
	acs('"');
	append_key(key);
	acs('"');
      }
      else if (tree.isNotNull()
	       && tree->expression->type == CharSetExpression::individualChar){
	IndividualChar *expression = (IndividualChar *) (tree->expression);
        LOGV(expression->asString().pointer());
	//acs(expression->asciiValue);
	ass(expression->asString().pointer());
      }
    }
    acs(0);
    LOGV(string_base);
    string_space(2*tis());
    string = string_base;
    sss("  \"");
    while (*string) {
      append_string_char(*string++);
    }
    ass("\",\n");
    wss();
    rcs();
  }
  wpe("\n};\n\n");
}


#define N_MY_MACROS 150

char *my_macros_subs[N_MY_MACROS];

static void set_my_macro(const char *m, const char *s, ...) {
  LOGSECTION("set_my_macro");
  LOGV(m) LCV(s);
  int k = add_string_dict(m, my_macros);
  va_list ap;
  char buf[500];
  int n;

  va_start(ap,s);
  n = vsprintf(buf, s, ap);
  assert (n < 500);
  assert(k < N_MY_MACROS);
  if (my_macros_subs[k]) {
    DEALLOCATE(my_macros_subs[k]);
  }
  my_macros_subs[k] = mystrdup(buf);
  va_end(ap);
}

static void rename_macro(const char *sword, const char *sval) {
  LOGSECTION("rename_macro");
  LOGV(sword) LCV(sval);
  char *word;
  char *val;
  int index;

  const char *s = sword;
  ics();
  while (*s && (isalpha(*s) || *s == '_')) {
    acs(*s++);
  }
  word = build_string();

  ics();
  s = sval;
  while (*s && (isalpha(*s) || *s == '_')) {
    acs(*s++);
  }
  val = build_string();

  index = add_string_dict(word, my_macros);
  assert(index < N_MY_MACROS);
  if (my_macros_subs[index]) {
    DEALLOCATE(my_macros_subs[index]);
  }
  my_macros_subs[index] = val;
  DEALLOCATE(word);
}

static void define_my_macros(const char *seg) {
  AgString text = code_segment(seg);
  if (!text.exists()) {
    return;
  }
  char *buf = text.pointer();
  char *s = buf;
  char *val;
  char *word;
  int index;

  while (*s) {
    while (*s && *s == ' ') {
      s++;
    }
    if (*s == '\n') {
      s++;
      continue;
    }

    ics();
    while (*s && (isalpha(*s) || *s == '_')) {
      acs(*s++);
    }
    ics();
    while (*s) {
      while (*s && *s == ' ') {
	s++;
      }
      if (strncmp(s,"\\\n", 2)) {
	break;
      }
      s += 2;
    }
    while (*s && *s != '\n') {
      if (*s == '\\') {
	s++;
      }
      acs(*s++);
    }
    if (*s == '\n') {
      s++;
    }
    val = build_string();
    word = build_string();
    index = add_string_dict(word, my_macros);
    assert(index < N_MY_MACROS);
    if (my_macros_subs[index]) {
      DEALLOCATE(my_macros_subs[index]);
    }
    my_macros_subs[index] = val;
    DEALLOCATE(word);
  }
}

static int argsCompare(AgArray<RuleElement> x, AgArray<RuleElement> y) {
  unsigned kx = 0, ky = 0;
  while (kx < x.size() && ky < y.size()) {
    while (kx < x.size() && x[kx].cVariable == 0) {
      kx++;
    }
    while (ky < y.size() && y[ky].cVariable == 0) {
      ky++;
    }
    if (kx == x.size() && ky == y.size()) {
      return 1;
    }
    if (kx == x.size() || ky == y.size()) {
      return 0;
    }
    if (x[kx].cVariable != y[ky].cVariable) {
      return 0;
    }
    if (x[kx].token->value_type != y[ky].token->value_type) {
      return 0;
    }
    kx++;
    ky++;
  }
  return 0;
}

static int aliasReductionProc(Procedure proc) {
  LOGSECTION("aliasReductionProc");
  LOGV(proc);
  Procedure aliasProc = 1;
  while ((int)aliasProc < (int)proc) {
    if (aliasProc->cSegment.length() != proc->cSegment.length()) {
      return 0;
    }
    if (aliasProc->cast != proc->cast) {
      return 0;
    }
    if (strncmp((const char *)aliasProc->cSegment.begin,
		(const char *) proc->cSegment.begin,
		proc->cSegment.length())) {
      return 0;
    }
    if (argsCompare(Rule(aliasProc->form_number)->elementList,
		    Rule(proc->form_number)->elementList)) {
      return aliasProc;
    }
    aliasProc = (int) aliasProc + 1;
  }
  return 0;
}


void build_parse_engine(void) {
  LOGSECTION("build_parse_engine");
  unsigned i;
  unsigned j;  //,k;
  unsigned n;
  int kw;
  int tn;
  const char *cs, *vs;
  const char *cp;
  const char *type;
  really_old_style = old_style && !reentrant_parser;
  AgString pname = subs_template(simple_file_name.pointer(),
				 parser_name.pointer(), '#');
  AgString cbt = subs_template(pname.pointer(), control_block_type, '$');
  AgString structName = subs_template(pname.pointer(), structNameTemplate,'%');
  AgString thisArg(reentrant_parser ? "PCB_DECL" : "void");
  AgString thisArgc(reentrant_parser ? "PCB_DECL, " : "");
  AgString pcbArg = reentrant_parser ?  "PCB_POINTER" : "";
  AgString pcbArgc = reentrant_parser ?  "PCB_POINTER, " : "";
  AgString vst = subs_template(pname.pointer(), value_stack_type, '$');
  AgString token_type = subs_template(pname.pointer(), typedef_name, '$');
  AgString h_file_name = subs_template(simple_file_name.pointer(),
				       header_file_name.pointer(), '#');
  AgString itt = subs_template(pname.pointer(), input_type_name, '$');
  AgString enum_name = subs_template(pname.pointer(),
				     enum_constant_name.pointer(), '$');
  const char *void_string = really_old_style ? "" : "void";
  const char *stack_value;
  const char *stack_result;
  const char *stack_location;
  int bt = backtrack || auto_resynch || error_token;
  int *rtkn_list = NULL;
  int *rtkn_ndx = 0;

  static unsigned rtkn_count = 0;

  const char *csp;
  unsigned buildTime = (unsigned) time(0);

  constWord = "const ";
  nearWord  = "near ";
  LOCUS = "";
  VOIDB  = "void ";
  voidWord   = "void";

  Cast defaultType(default_token_type);

  if (line_numbers_path.exists()) {
    ln_file_name = line_numbers_path;
  }
  else if (escape_backslashes) {
    int length = infile_name.size();
    int k = length;
    int n = 0;
    while (k--) {
      if (infile_name.operator[](k) == '\\') {
	n++;
      }
    }
    AgCharStack temp;
    char *q = infile_name.pointer();
    while (*q) {
      temp.push(*q);
      if (*q == '\\') {
	temp.push('\\');
      }
      q++;
    }
    ln_file_name = temp.popString();
  }
  else {
    ln_file_name = infile_name.pointer();
    int length = ln_file_name.size();
    int k = length;
    while (k--) {
      if (ln_file_name[k] == '\\') {
	ln_file_name[k] = '/';
      }
    }
  }
  LOGV(ln_file_name.pointer());
  my_macros = null_str_dict();
  for (i = 0; i < rename_macro_list->nt; i++) {
    unsigned old_name, new_name;
    xtx(rename_macro_list, i, &old_name, &new_name);
    rename_macro((const char *)(input_base+old_name),
		 (const char *)(input_base+new_name));
  }

  if (error_token) {
    auto_resynch = 0;
  }

  pe_file_name = subs_template(simple_file_name.pointer(),
			       parser_file_name.pointer(), '#');
  if (pe_file_name[0] == '.'&& pe_file_name[1]!='.') {
    AgString pattern = pe_file_name.pointer();
    pattern[0] = '#';
    pe_file_name = subs_template(work_dir_name.pointer(),
				 pattern.pointer(), '#');
  }
  LOGV(pe_file_name);
  if (escape_backslashes) {
    //int length = strlen(pe_file_name);
    int length = pe_file_name.size();
    int k = length;
    int n = 0;
    while (k--) {
      if (pe_file_name[k] == '\\') {
	n++;
      }
    }
    ln_pe_name = AgString(length + n);
    LOGV(length) LCV(n);
    char *q = ln_pe_name.pointer();
    for (k = n = 0; k < length; k++) {
      q[n++] = pe_file_name[k];
      LOGV(k) LCV(n);
      if (pe_file_name[k] == '\\') {
	q[n++] = '\\';
      }
    }
  }
  else {
    ln_pe_name = pe_file_name.pointer();
    int k = ln_pe_name.size();
    while (k--) {
      if (ln_pe_name[k] == '\\') {
	ln_pe_name[k] = '/';
      }
    }
  }
  LOGV(ln_pe_name);
  LOGV(pe_file_name);
  LOGV(h_file_name);
  const char *openMode = no_cr ? "wb" : "w";
  pe_file = fopen(pe_file_name.pointer(), openMode);
  parserWriteError = 0;
  pe_line_count = 0;
  buildErrorMsg[0] = 0;
  if (pe_file == NULL) {
    sprintf(buildErrorMsg, "Cannot open %s", pe_file_name.pointer());
    //DEALLOCATE(pe_file_name);
    return;
  }
  h_file = fopen(h_file_name.pointer(),openMode);
  headerWriteError = 0;
  if (h_file == NULL) {
    sprintf(buildErrorMsg, "Cannot open %s", h_file_name.pointer());
    //DEALLOCATE(h_file_name);
    fclose(pe_file);
    return;
  }

  grammar_type = map_token_number[grammar_token].value_type;
  if (grammar_type.isNull()) {
    grammar_type = default_token_type;
  }
  sfn = simple_file_name.pointer();
  LOGV(sfn);
  sfn.toUpper();
  LOGV(sfn);
  headerWriteError = fprintf(h_file,
    "#ifndef %s_H_%u\n"
    "#define %s_H_%u\n\n",
    sfn.pointer(), buildTime, sfn.pointer(), buildTime);

  if (Cast::nWrappers) {
    AgString def = code_segment("wrapper def");
    headerWriteError = fprintf(h_file, "%s\n", def.pointer());
  }

  // Make list of terminal tokens
  AgBalancedTree<int> typeList;
  Each<Token> token;
  for (token.restart(); token.loopNotFinished(); token.getNext()) {
    if (token->non_terminal_flag) {
      continue;
    }
    if (token->value_type > 1) {
      typeList.insert(token->value_type);
    }
  }
  n = typeList.size();
  LOGV(typeList.size());
  if (n <= 1) {
    input_token_type = n ? typeList[0] : default_input_type;
    itt = Cast(input_token_type).name();
  }
  else {
    unsigned k;

    headerWriteError = fprintf(h_file, "typedef union {\n");
    for (k = 0; k < n; k++) {
      int i = typeList[k];
      if (i == void_token_type) continue;
      LOGV(i) LCV(Cast(i)->pointer());
      Cast type = i;
      if (type.wrapperRequired()) {
        headerWriteError = 
	  fprintf(h_file, "  char ag_vt_%d[sizeof(AgObjectWrapper<%s >)];\n",
		  i, type->pointer());
      }
      else {
        headerWriteError = 
	  fprintf(h_file, "  char ag_vt_%d[sizeof(%s)];\n",
		  i, type->pointer());
      }
    }
    LOGV(itt);
    headerWriteError = fprintf(h_file, "} %s;\n\n", itt.pointer());
    input_token_type = Cast(itt.pointer());
  }

  typeList.reset();
  LOGV(Cast::count());
  for (token.restart(); token.loopNotFinished(); token.getNext()) {
    //int tt = map_token_number[i].value_type;
    Cast type = token->value_type;
    if ((int) type == void_token_type) {
      continue;
    }
    LOGV(type);
    LOGV(type->pointer());
    if ((int) type == 0 || typeList.insert((int) type)) {
      continue;
    }
    if (strcmp(type->pointer(), "double")) {
      continue;
    }
    if (parser_stack_alignment == long_token_type) {
      parser_stack_alignment = (int) type;
    }
  }
  n = typeList.size();
  LOGV(typeList.size());
  if (typeList.size() == 0) {
    typeList.insert(int_token_type);
  }
  n = typeList.size();
  if (n == 1) {
    vst = Cast(typeList[0]).name();
    stack_value = "VS(%d)";
    stack_result = "VS(0) = ";
    stack_location = "(PCB).vs[(PCB).ssx]";
  }
  else {
    stack_value = "V(%d,(%s *))";
    stack_result = "V(0,(%s *)) = ";
    stack_location = "(*(%s *) &(PCB).vs[(PCB).ssx])";
    headerWriteError = fprintf(h_file, "typedef union {\n");
    if (parser_stack_alignment != void_token_type)  {
      LOGV(parser_stack_alignment);
      LOGV(Cast(parser_stack_alignment)->pointer());
      headerWriteError = fprintf(h_file, "  %s alignment;\n",
				 //dict_str(cast_dict, parser_stack_alignment)
				 Cast(parser_stack_alignment)->pointer());
    }
    for (i = 0; i < n; i++) {
      //int j = list_base[i];
      int j = typeList[i];
      if (j == void_token_type) {
	continue;
      }
      LOGV(j) LCV(Cast(j)->pointer());
      Cast type = j;
      if (type.wrapperRequired()) {
        headerWriteError = 
	  fprintf(h_file, "  char ag_vt_%d[sizeof(AgObjectWrapper<%s >)];\n",
		  j, type->pointer());
      }
      else {
        headerWriteError = 
	  fprintf(h_file, "  char ag_vt_%d[sizeof(%s)];\n",
		  j, type->pointer());
      }
    }
    headerWriteError = fprintf(h_file, "} %s;\n\n", vst.pointer());
  }

  LOGS("Ready to write prologue");
  writePrologue();
  LOGS("Prologue written");
  wpe("\n");

  LOGV(copyrightMessage);
  wpe(code_segment(copyrightMessage).pointer(), 
      VERSIONSTRING, build_date.pointer());

  set_my_macro("STATIC", "static ");
  set_my_macro("QUAL", "%s", "");
  if (!near_functions) {
    nearWord = "";
  }
  cp = near_functions ? "near " : "";
  set_my_macro("NEAR", cp);
  cp = far_tables ? "far" : near_functions ? "near" : "";
  if (far_tables) {
    LOCUS = "far ";
  }
  set_my_macro("LOCUS", LOCUS);
  cp = really_old_style ? "" : "void";
  if (really_old_style) {
    voidWord = VOIDB = "";
  }
  set_my_macro("VOID", cp);
  set_my_macro("THISARG", thisArg.pointer());
  set_my_macro("THISARGC", thisArgc.pointer());
  set_my_macro("PCBARG", pcbArg.pointer());
  set_my_macro("PCBARGC", pcbArgc.pointer());
  if (really_old_style || !const_data) {
    constWord = "";
  }
  set_my_macro("CONST", constWord);

  set_my_macro("MISSING", "%s", missing_diagnostic);
  set_my_macro("UNEXPECTED", "%s", unexpected_diagnostic);

  wpe("\n#ifndef %s_H_%u\n"
      "#include \"%s\"\n"
      "#endif\n\n"
      "#ifndef %s_H_%u\n"
      "#error Mismatched header file\n"
      "#endif\n\n",
      sfn.pointer(), buildTime, h_file_name.pointer(),
      sfn.pointer(), buildTime);
  if (diagnose_errors) {
    wpe("#include <ctype.h>\n");
  }
  write_code_segment("header");
  if (reentrant_parser) {
    wpe("#ifndef PCB_TYPE\n#define PCB_TYPE %s\n#endif\n\n", cbt.pointer());
    wpe("\n#define PCB (*pcb_pointer)\n");
    set_my_macro("PCB_TYPE_CAST", "(PCB_TYPE *)");
    wpe("#define PCB_DECL PCB_TYPE *pcb_pointer\n");
    wpe("#define PCB_POINTER pcb_pointer\n");
  }
  else {
    set_my_macro("PCB_TYPE_CAST", "%s", "");
    if (declare_pcb) {
      wpe("\n%s %s_pcb;\n#define PCB %s_pcb\n",
	  cbt.pointer(), pname.pointer(), pname.pointer());
    }
  }
  rtkn_count = 0;
  if (semantic_productions) {
    const char *as = really_old_style ? "" : token_type.pointer();
    const char *ds = really_old_style ? "int ag_k;" : "";
    AgString enum_temp = subs_template("##x##", enum_name.pointer(), '%');
    unsigned fn, nsd=0;
    define_macro("CHANGE_REDUCTION(x)",
		 "%s_change_reduction(%s%s)",
		 pname.pointer(), pcbArgc.pointer(), enum_temp.pointer());
    set_my_macro("AG_CHANGE_REDUCTION",
		 "%s_change_reduction(%s%s ag_k)%s",
		 pname.pointer(), thisArgc.pointer(), as,ds);
    wpe("int %s_change_reduction(%s%s);\n\n",
	pname.pointer(), thisArgc.pointer(), as);

    as = really_old_style ? "ag_tp" : "int *ag_tp";
    ds = really_old_style ? "int *ag_tp" : "";
    if (reduction_choices) {
      set_my_macro("AG_CHOICES",
		   "%s_reduction_choices(%s%s)%s",
		   pname.pointer(), thisArgc.pointer(), as, ds);
      define_macro("REDUCTION_CHOICES(x)",
		   "%s_reduction_choices(%sx)",
		   pname.pointer(), pcbArgc.pointer());
      wpe("int %s_reduction_choices(%s%s);\n",
	  pname.pointer(), thisArgc.pointer(), as);
    }
    for (fn = 0; fn++ < nforms_base;) {
      if (ibnfn[fn] > 1) {
	nsd += ibnfn[fn] + 1;
      }
    }
    rtkn_count = nsd;
    rtkn_list = local_array(nsd, int);
    rtkn_ndx = local_array(nforms_base+1, int);
    nsd = 0;
    for (fn = 0; fn++ < nforms_base;) {
      int n = ibnfn[fn];
      const int *p;
      if (n == 1) {
	continue;
      }
      p = ibnfs+ibnfb[fn];
      rtkn_ndx[fn] = nsd;
      while (n--) {
	rtkn_list[nsd++] = *p++;
      }
      rtkn_list[nsd++] = 0;
    }
  }
  AgString iname = AgString("init_").concat(pname);
  if (reentrant_parser) {
    set_my_macro("AG_INIT_PARSE", "%s%s(%s *PCB_POINTER)",
		 VOIDB, iname.pointer(), cbt.pointer());
    set_my_macro("AG_PARSE", "%s%s(%s *PCB_POINTER)",
		 VOIDB, pname.pointer(), cbt.pointer());
  }
  else {
    set_my_macro("AG_INIT_PARSE",
		 "%s%s(%s)", VOIDB, iname.pointer(), voidWord);
    set_my_macro("AG_PARSE",
		 "%s%s(%s)", VOIDB, pname.pointer(), voidWord);
  }
  if (auto_init) {
    set_my_macro("AG_INITIALIZE", "%s(%s)", iname.pointer(), pcbArg.pointer());
  }
  else {
    set_my_macro("AG_INITIALIZE", "%s", "");
  }

  actual_stack_size = stack_size + parser_stack_size/2;
  LOGV(parser_stack_size);
  LOGV(actual_stack_size);
  if (parser_stack_size > actual_stack_size) {
    actual_stack_size = parser_stack_size;
  }
  set_my_macro("AG_PARSER_STACK_SIZE", "%d", actual_stack_size);

  if ((int) grammar_type != void_token_type) {
    cs = grammar_type->pointer();
    wpe("\n%s %s_value(%s);\n\n",
	cs, pname.pointer(), thisArg.pointer());
  }
  if (input_values) {
    define_macro("INPUT_VALUE(type)", "*(type *) &(PCB).input_value");
  }
  if (Cast::nWrappers) {
    wpe("static void ag_delete_wrappers(%s);\n", thisArg.pointer());
    wpe("#ifndef DELETE_WRAPPERS\n"
        "#define DELETE_WRAPPERS ag_delete_wrappers(%s)\n"
        "#endif\n", pcbArg.pointer());
  }
  int token_names_printed = 0;
  if (token_names || token_names_only) {
    print_token_names(pname.pointer());
    token_names_printed = 1;
  }
  LOGS("First token_names call point");
  wps("\n");
  writeEmbeddedC();

  if (!case_sensitive) {
    if (iso_latin_1) {
      write_code_segment("toupper latin");
    }
    else {
      write_code_segment("toupper");
    }
  }
  else {
    define_macro_default("CONVERT_CASE(c)", "(c)");
  }
  define_macro_default("TAB_SPACING", "%d", tab_spacing);

  if ((int) grammar_type != void_token_type) {
    cs = grammar_type->pointer();
    char wrapperBuf[200];
    sprintf(wrapperBuf, "AgObjectWrapper< %s >", cs);
    char buf[200];
    const char *ws = grammar_type.wrapperRequired() ? wrapperBuf : cs;
    //sprintf(buf, stack_location, cs);
    sprintf(buf, stack_location, ws);
    wpe(code_segment("value proc").pointer(),
        cs, pname.pointer(), thisArg.pointer(),
        cs, buf);
  }
  LOGS("begin scanning auto procs");
  Each<Procedure> proc;
  for (proc.restart(); proc.loopNotFinished(); proc.getNext()) {
    LOGV(proc) LCV(proc->form_number);
    if (Rule(proc->form_number)->not_unique_reduction) {
      continue;
    }
    if (allow_macros) {
      proc->alias = aliasReductionProc(proc);
    }
  }

  LOGS("second scan of auto procs");

  for (proc.restart(); proc.loopNotFinished(); proc.getNext()) {
    unsigned j;
    char *fb, *nlp, *scp;
    int single_line;
    int length;
    const char *lp, *rp;
    int line;
    AgString ns;

    if (proc->alias) {
      continue;
    }
    ns = proc_name_string(proc);
    LOGV(proc) LCV(ns);
    length = proc->cSegment.length();

    LOGV(proc->value_flag) LCV(allow_macros);
    fb = (char *) proc->cSegment.begin;
    if (proc->value_flag && allow_macros && Cast::nWrappers == 0) {
      Rule rule(proc->form_number);
      int bias = rule->op_bias;
      LOGV(rule) LCV(bias);
      wpe("\n#define %s(%s",
	  ns.pointer(), reentrant_parser? "PCB_POINTER" : "");
      cs = reentrant_parser ? ", " : "";
      //AgArray<RuleElement> &elementList = Rule(proc->form_number)->elementList;
      AgArray<RuleElement> elementList = bias ? rule->hostElementList : rule->elementList;
      for (j = 0; j < elementList.size(); j++) {
        RuleElement &element = elementList[j];
        if (element.cVariable == 0) {
	  continue;
	}
        wpe("%s%s", cs, cVariableList[element.cVariable].pointer());
        cs = ", ";
      }
      wpe(")");
      if (length) {
        wpe(" (");
        while(length--) {
          if (*fb == '\n') {
	    pe_line_count++;
	    parserWriteError = fputc('\\', pe_file);
	  }
          parserWriteError = fputc(*fb++, pe_file);
        }
        wpe(")");
      }
      wpe("\n");
      continue;
    }
    LOGV(proc->value_flag);
    if (proc->value_flag) {
      define_proc(proc, allow_macros && Cast::nWrappers, thisArg, thisArgc);
      cs = (const char *) proc->cSegment.begin;
      line = proc->cSegment.line;
      length = proc->cSegment.length();
      while (*cs == '\n') {line++; cs++; length--;}
      if (line_numbers) {
        wpe("#line %d \"%s\"\n", line, ln_file_name.pointer());
      }
      else {
        wpe("/* Line %d, %s */\n", line, ln_file_name.pointer());
      }
      if (proc->cast != void_token_type) {
	parserWriteError = fprintf(pe_file, "  return ");
      }
      else {
	parserWriteError = fprintf(pe_file, "  ");
      }
      while (*cs == ' ') {
	cs++;
	length--;
      }
      if (length && fwrite(cs,length,1,pe_file) == 0) {
	parserWriteError = EOF;
      }
      count_pe_line(cs,length);
      wpe(";\n");
      if (line_numbers) {
	wpe("#line %d \"%s\"\n", pe_line_count+2, ln_pe_name.pointer());
      }
      wpe("}\n");
      continue;
    }

    nlp = strchr(fb,'\n');
    if (nlp == NULL) {
      nlp = fb + length;
    }
    char saveChar = fb[length];
    fb[length] = 0;
    scp = strrchr(fb,';');
    fb[length] = saveChar;
    if (scp == NULL) {
      scp = fb + length;
    }
    single_line = allow_macros && (scp - fb <= nlp - fb);
    while (*fb == ' ' && length) {
      fb++;
      length--;
    }
    if (single_line) {
      single_line = (strncmp(fb, "return", 6)==0);
    }
    if (single_line) {
      fb += 6;
      length -= 6;
      while (*fb == ' ' && length) {
	fb++;
	length--;
      }
      if (scp-fb < length) {
	length = (int) (scp-fb);
      }
      single_line = (length > 0);
    }
    else if (allow_macros && length < (nlp - fb)) {
      char *p = fb;
      int k = length-6;
      while (k >= 0) {
        if (strncmp(p, "return", 6)== 0) {
	  break;
	}
        p++;
        k--;
      }
      if (k == 0) {
        proc->cast = void_token_type;
        single_line = 1;
      }
    }
    if (single_line && Cast::nWrappers == 0) {
      if (proc->cast == void_token_type) {
	lp = "{", rp = "}";
      }
      else if (proc->cSegment.length()) {
	lp = "(", rp = ")";
      }
      else {
	lp = rp = "";
      }
      proc->macro_flag = 1;
      wpe("\n#define %s(%s", 
	  ns.pointer(), reentrant_parser? "PCB_POINTER" : "");
      cs = reentrant_parser ? ", " : "";
      Rule rule(proc->form_number);
      int bias = rule->op_bias;
      AgArray<RuleElement> elementList = bias ? rule->hostElementList : rule->elementList;
      for (j = 0; j < elementList.size(); j++) {
        RuleElement &element = elementList[j];
        if (element.cVariable == 0) {
	  continue;
	}
        wpe("%s%s", cs, cVariableList[element.cVariable].pointer());
        cs = ", ";
      }
      wpe(") %s",lp);
      if (length && fwrite(fb,length,1,pe_file) == 0) {
	parserWriteError = EOF;
      }
      count_pe_line(fb, length);
      wpe("%s\n", rp);
      continue;
    }
    define_proc(proc, single_line && Cast::nWrappers, thisArg, thisArgc);
    cs = (const char *) proc->cSegment.begin;
    line = proc->cSegment.line;
    length = proc->cSegment.length();
    while (*cs == '\n') {
      line++;
      cs++;
      length--;
    }
    if (line_numbers) {
      wpe("#line %d \"%s\"\n", line, ln_file_name.pointer());
    }
    else {
      wpe("/* Line %d, %s */\n", line, ln_file_name.pointer());
    }
    int segLength = proc->cSegment.length();
    if (segLength && fwrite(cs,segLength,1,pe_file) == 0) {
      parserWriteError = EOF;
    }
    count_pe_line(cs, proc->cSegment.length());
    wpe("\n");
    if (line_numbers) {
      wpe("#line %d \"%s\"\n", pe_line_count+2, ln_pe_name.pointer());
    }
    wpe("}\n");
  }
  AgStringDictionary reductionProcedures;
  rproc = local_array(nforms_base+1, unsigned);
  nrproc = 0;
  rproc[0] = 0;
  LOGS("Starting to build reduction procedures");
  for (i = 1; i<= nforms_base; i++) {
    Rule rule(i);
    Procedure proc = rule->proc_name;
    rproc[i] = 0;
    LOGV(rule) LCV(proc) LCV(proc.isNotNull());
    if (proc.isNotNull()) {
      int bias;
      if (proc->alias) {
	proc = proc->alias;
      }
      ics();
      const char *closure = "; ";
      LOGV(rule->not_unique_reduction) LCV(proc->cast);
      if (rule->not_unique_reduction) {
        if (reentrant_parser) {
	  apprintf("ag_default(PCB_POINTER, &ag_rtt[%d]); ", rtkn_ndx[i]);
	}
        else {
	  apprintf("ag_default(&ag_rtt[%d]); ", rtkn_ndx[i]);
	}
      }
      Cast newValueType = proc->cast;
      unsigned deleteIndex = 0;
      if (proc->cast != void_token_type) {
        LOGV(rule->elementList.size());
        int ruleLength = rule->elementList.size();
        Cast oldValueType = ruleLength ? rule->elementList[0].token->value_type : 0;
        const char *format = stack_result;
        char buf[1000];
        if (newValueType.wrapperRequired()) {
          deleteIndex = 1;
          if (ruleLength && oldValueType.wrapperRequired()) {
            //sprintf(buf,"VRO((AgObjectWrapper<%s > *), ", oldValueType->pointer());
            sprintf(buf,"VRO(AG_WRAP_%d *, ", (int) oldValueType);
            format = buf;
          }
          else {
            format = "VNO AG_WRAP_%d(";
          }
          closure = "); ";
          //apprintf(format, newValueType->pointer());
          apprintf(format, (int)newValueType);
        }
        else if (ruleLength && oldValueType.wrapperRequired()) {
          char buf[1000];
          sprintf(buf, format, newValueType->pointer());
          //apprintf("%sVDO((AgObjectWrapper<%s > *), ", buf, oldValueType->pointer());
          apprintf("%sVDO(AG_WRAP_%d *, ", buf, (int) oldValueType);
          closure = "); ";
          deleteIndex = 1;
        }
        else apprintf(format, newValueType->pointer());
      }
      LOGV(proc_name_string(proc));
      ass(proc_name_string(proc).pointer());
      if (reentrant_parser) {
        ass("(PCB_POINTER");
        cs = ", ";
      }
      else {
        acs('(');
        cs = "";
      }
      bias = rule->op_bias;
      LOGV(bias);
      AgArray<RuleElement> elementList = bias ? rule->hostElementList : rule->elementList;
      int nWraps = 0;
      for (j = 0; j < elementList.size(); j++) {
        RuleElement &element = elementList[j];
        if (element.cVariable == 0) continue;
        Cast cn = element.token->value_type;
        ass(cs);
        const char *format = stack_value;
        if (cn.wrapperRequired()) {
          //format = "VW(%d,(AgObjectWrapper<%s > *))";
          apprintf("VW(%d, AG_WRAP_%d *)", j-bias, (int) cn);
          //if (j) nWraps++;
          if (j >= deleteIndex) nWraps++;
        }
        else {
	  apprintf(format, j-bias,cn->pointer());
	}
        cs = ", ";
      }
      apprintf(")%s", closure);   //;\n            ");
      LOGV(nWraps) LCV(Cast::nWrappers);
      LOGV(rule->op_bias);
      int newlineRequired = 1;
      if (nWraps && rule->op_bias <= 0) {

        //j = newValueType.wrapperRequired() ? 1 : 0;
        //j = 1;
        j = deleteIndex;
        for (; j < elementList.size(); j++) {
          RuleElement &element = elementList[j];
          //if (element.cVariable == 0) continue;
          Cast cn = element.token->value_type;
          if (cn.wrapperRequired()) {
            if (newlineRequired) {
              newlineRequired = 0;
              ass("\n            ");
            }
            LOGV(j) LCV(cn->pointer());
            //apprintf("VWD(%d,AgObjectWrapper<%s > *); ", j,cn->pointer());
            apprintf("VWD(%d, AG_WRAP_%d *); ", j, (int) cn);
          }
        }
      }
      ass("break;\n");
      rproc[i] = reductionProcedures << buildAgString();
      nrproc = i;
    }
    else {                      // no reduction
      ics();
      int k = 0;
      unsigned j = 0;
      Cast primaryTokenType = rule->prim_tkn->value_type;
      if (rule->elementList.size()
	  && (int) rule->elementList[0].token->value_type == primaryTokenType){
        j = 1;
      }
      for (; j < rule->elementList.size(); j++) {
        RuleElement &element = rule->elementList[j];
        Cast cn = element.token->value_type;
        if (cn.wrapperRequired()) {
          //apprintf("VWD(%d,AgObjectWrapper<%s > *); ", j,cn->pointer());
          apprintf("VWD(%d,AG_WRAP_%d *); ", j, (int) cn);
          k++;
        }
      }
      if (k) {
        ass("break;\n");
        rproc[i] = reductionProcedures << buildAgString();
        nrproc = i;
      }
      else {
	rcs();
      }
    }
  }
  wpe("\n\n");

  {
    //AgString code;
    AgString ar_defs;

    if (typedef_name != NULL) {
      unsigned pn = 0;
      unsigned last_enum = 0;
      const char *new_line = ",\n  ";
      const char *head = "typedef enum {\n";
      headerWriteError = fprintf(h_file, head);
      kw = 0;
      cs = "  ";
      for (i = 0; i++ < ntkns;) {
        if (map_token_number[i].junky) {
	  continue;
	}
        tn = map_token_number[i].token_name;
        if (tn == 0) {
	  continue;
	}
        last_enum = i;
        template_string(Symbol(tn)->string.pointer(), 
			enum_name.pointer(), '%');
        char *p = string_base;
        while (*p) {
	  if (*p == ' ') {
	    *p = '_';
	  }
	  p++;
	}
        if (i != pn + 1 || i== 1) {
          apprintf(" = %d", i);
        }
        pn = i;
        if (kw + tis() + 2 >= parserLineLength) {
          kw = 0;
	  cs = new_line;
        }
        headerWriteError = fputs(cs, h_file);
        kw += 2+fps(h_file);
        cs = ", ";
      }
      if (last_enum < 256 && ntkns >= 256) {
        template_string("_last", enum_name.pointer(), '%');
        apprintf(" = %d", ntkns);
        if (kw + tis() + 2 >= parserLineLength) {
          cs = new_line;
        }
        headerWriteError = fputs(cs,h_file);
        fps(h_file);
      }
      headerWriteError = fprintf(h_file,"\n} %s;\n\n", token_type.pointer());

    }
    //code = code_segment("pcb").pointer();
    AgString pcbHeader = code_segment("pcbHeader");
    LOGV(pcbHeader);
    LOGV(token_type) LCV(itt) LCV(actual_stack_size) LCV(vst);
    headerWriteError = fprintf(h_file, pcbHeader.pointer(),
			       structName.pointer(),
			       token_type.pointer(),
			       itt.pointer(),
			       actual_stack_size, vst.pointer(),
			       actual_stack_size);

    LOGV(context_type.exists());
    if (context_type.exists()) {
      LOGV(context_type);
      headerWriteError = fprintf(h_file, "  %s input_context;\n  %s cs[%d];\n",
				 context_type.pointer(),
				 context_type.pointer(),
				 actual_stack_size);
    }

    LOGV(bt);
    if (bt) {
      headerWriteError = fprintf(h_file, "  int bts[%u], btsx;\n",
				 actual_stack_size);
    }

    LOGV(auto_resynch);
    if (auto_resynch) {
      const char *ns = near_functions ? "near * near" : "*";
      if (reentrant_parser) {
        headerWriteError = 
	  fprintf(h_file, "  int (%s %s*gt_procs)(struct %s *);\n"
		  "  int (%s %s*r_procs)(struct %s *);\n"
		  "  int (%s %s*s_procs)(struct %s *);\n",
		  ns, constWord, structName.pointer(),
		  ns, constWord, structName.pointer(),
		  ns, constWord, structName.pointer());
      }
      else {
        headerWriteError = 
	  fprintf(h_file, "  int (%s %s *gt_procs)(%s);\n"
		  "  int (%s %s*r_procs)(%s);\n"
		  "  int (%s %s*s_procs)(%s);\n",
		  ns, constWord, void_string,
		  ns, constWord, void_string,
		  ns, constWord, void_string);
      }
    }

    if (pointer_input) {
      LOGV(pointer_type);
      headerWriteError = 
	fprintf(h_file, "  %s pointer;\n  %s la_ptr;\n",
		pointer_type.pointer(), pointer_type.pointer());
    }
    else if (max_key_length) {
      headerWriteError = 
	fprintf(h_file, "  int lab[%d], rx, fx;\n", max_key_length+1);
    }

    if (Keyword::count() > 1) {
      headerWriteError = fprintf(h_file,
				 "  const unsigned char *key_sp;\n"
				 "  int save_index, key_state;\n");
    }

    if (auto_resynch) {
      if (event_driven) {
	ar_defs = code_segment("auto resynch event defs");
      }
      else {
	ar_defs = code_segment("auto resynch defs");
      }
      headerWriteError = fprintf(h_file, ar_defs.pointer());
    }
    if (diagnose_errors) {
      headerWriteError = fprintf(h_file, "  char ag_msg[82];\n");
    }
    if (semantic_productions) {
      headerWriteError = 
	fprintf(h_file, code_segment("reduce loop vars").pointer());
    }
    LOGV(cbt);
    if (auto_resynch) {
      headerWriteError = fprintf(h_file, "  int ag_resynch_active;\n");
    }
    writePCBExtensions();
    headerWriteError = 
      fprintf(h_file, code_segment("pcbTail").pointer(), cbt.pointer());

    if (declare_pcb && !reentrant_parser) {
      headerWriteError = 
	fprintf(h_file, "\nextern %s %s_pcb;\n",cbt.pointer(),pname.pointer());
    }
  }
  if (!really_old_style) {
    AgString arg = reentrant_parser ? subs_template(cbt.pointer(), "$ *", '$')
      : AgString("void");
    //AgString arg = reentrant_parser ? "PCB_TYPE *" : "void";
    headerWriteError = 
      fprintf(h_file, "void init_%s(%s);\n", pname.pointer(), arg.pointer());
    headerWriteError = 
      fprintf(h_file, "void %s(%s);\n", pname.pointer(), arg.pointer());
    if ((int) grammar_type != void_token_type) {
      cs = grammar_type->pointer();
      headerWriteError = 
	fprintf(h_file, "\n%s %s_value(%s);\n", 
		cs, pname.pointer(), arg.pointer());
    }
  }
  else {
    LOGV(pname);
    headerWriteError = fprintf(h_file, "init_%s();\n", pname.pointer());
    headerWriteError = fprintf(h_file, "%s();\n", pname.pointer());
    if ((int) grammar_type != void_token_type) {
      cs = grammar_type->pointer();
      LOGV(cs);
      headerWriteError = 
	fprintf(h_file, "\n%s %s_value();\n", cs, pname.pointer());
    }
  }
  headerWriteError = fprintf(h_file, "#endif\n\n");
  LOGV(error_trace);
  if (error_trace) {
    set_my_macro("AG_TRACE_FILE", "\"%s.etr\"", simple_file_name.pointer());
    set_my_macro("AG_TRACE_ERROR",
		 reentrant_parser ? "ag_trace_error(PCB_POINTER);" :
		 "ag_trace_error();");
    write_code_segment("error trace");
  }
  else {
    set_my_macro("AG_TRACE_ERROR","%s", "");
  }
  write_header(pname.pointer());
  set_my_macro("AG_INPUT_TYPE", "%s", itt.pointer());
  set_my_macro("AG_TOKEN_TYPE", "%s", token_type.pointer());

  set_my_macro("AG_SAVE_CONTEXT", context_type.exists()?"GET_CONTEXT;" : "");
  set_my_macro("AG_VALUE_STACK_TYPE", vst.pointer());
  cs = vs = "(PCB).input_code";
  //if (key_dict->nsx > 1) vs = cs = "*(PCB).lab";
  if (Keyword::count() > 1) {
    vs = cs = "*(PCB).lab";
  }
  if (pointer_input) {
    vs = cs = "*(PCB).pointer";
  }
  ssprintf(stack_location, Cast(input_token_type)->pointer());
  //csp = build_string();
  AgString leftSide = buildAgString();
  if (input_values) {
    if (!pointer_input) {
      vs = "(PCB).input_value";
    }
    set_my_macro("AG_INPUT_VALUE", vs);
    set_my_macro("AG_GET_VALUE", "%s = %s;", leftSide.pointer(), vs);
  }
  else {
    set_my_macro("AG_GET_VALUE", "%s = %s;", leftSide.pointer(), vs);
  }
  if (pointer_input) {
    set_my_macro("AG_INPUT_CODE", "INPUT_CODE((%s))", cs);
  }
  else {
    set_my_macro("AG_INPUT_CODE", "(%s)", cs);
  }

  define_my_macros("declare macros");
  set_my_macro("AG_NULL", "(PCB).vs[(PCB).ssx] = ag_null_value;");
  write_code_segment("declarations");
  const char *nullInitializer;
  if (typeList.size() == 1 && typeList[0] == int_token_type) {
    nullInitializer = "0";
  }
  else {
    nullInitializer = "{ 0 }";
  }
  LOGV(nullInitializer);
  wpe("#ifndef NULL_VALUE_INITIALIZER\n"
      "#define NULL_VALUE_INITIALIZER = %s\n"
      "#endif\n\n", nullInitializer);
  LOGV(Cast::nWrappers);
  if (Cast::nWrappers) {
    wpe("\nstatic %schar %sag_wdf[] = {\n  ", constWord, LOCUS);
    kw = 2;
    cs = "";
    for (kits = 0; kits < nits; kits++) {
      Token token = map_state_number[kits].char_token;
      Cast valueType = token->value_type;
      if (kw + 4 > parserLineLength) {kw = 2; cs = ",\n  ";}
      //int flag = valueType.wrapperRequired();
      int flag = valueType.wrapperRequired() ? (int) valueType : 0;
      kw += wpe("%s%d", cs, flag);
      cs = ", ";
    }
    wpe("\n};\n\n");
    write_code_segment("wrap decls");
    set_my_macro("MY_DELETE_WRAPPERS", "DELETE_WRAPPERS;");
    for (Each<Cast> cast; cast.loopNotFinished(); cast.getNext()) {
      if (!cast.wrapperRequired()) {
	continue;
      }
      wpe("#undef AG_WRAP_%d\n"
          "#define AG_WRAP_%d AgObjectWrapper<%s >\n",
          (int) cast, (int) cast, cast->name.pointer());
    }
    const char *derailer = auto_resynch ?
      "  if ((PCB).ag_resynch_active) return;\n"
      "  (PCB).ag_resynch_active = 1;\n"
      : "";

    wpe("\nstatic void ag_delete_wrappers(%s) {\n"
	"%s"
        "  int sn = (PCB).sn;\n"
        "  int sx = (PCB).ssx;\n"
        "  while (sx--) {\n"
        "    switch (ag_wdf[sn]) {\n",
	thisArg.pointer(), derailer);
    for (Each<Cast> c; c.loopNotFinished(); c.getNext()) {
      if (!c.wrapperRequired()) continue;
/*
      wpe("      case %d: {\n"
          "        AgObjectWrapper<%s > *wrapper = (AgObjectWrapper<%s > *) (&(PCB).vs[sx]);\n"
          "        delete wrapper;\n"
          "        break;\n"
          "      }\n", (int) c, c.name().pointer(), c.name().pointer());
*/
      wpe("      case %d: ag_delete_object((AG_WRAP_%d *) &(PCB).vs[sx]); break;\n",
          (int) c, (int) c);
    }
    wpe("      default: break;\n"
        "    }\n"
        "    sn = (PCB).ss[sx];\n"
        "  }\n}\n\n");
#if 0 /* BAD */
    if (error_token != 0)  {
      set_my_macro("DELETE_OBJECT", "ag_delete_object(%s);", pcbArg.pointer());
      wpe("void ag_delete_object(%s) {\n"
          "  int sn = PCB.sn;\n"
          "  (PCB).sn = (PCB).ss[--(PCB).ssx];\n"
					"  if (ag_wdf[sn]) delete (AgWrapper *) (&(PCB).vs[(PCB).ssx]);\n"
					"}\n\n"
					, thisArg.pointer());
    }
#endif
    if (error_token != 0)  {
      set_my_macro("DELETE_OBJECT", "ag_delete_object(%s);", pcbArg.pointer());
      wpe("void ag_delete_object(%s) {\n"
          "  int sn = PCB.sn;\n"
          "  (PCB).sn = (PCB).ss[--(PCB).ssx];\n"
          "  switch (ag_wdf[sn]) {\n", thisArg.pointer());
      for (Each<Cast> c; c.loopNotFinished(); c.getNext()) {
        if (!c.wrapperRequired()) {
	  continue;
	}
/*
        wpe("    case %d:  delete (AgObjectWrapper<%s > *) (&(PCB).vs[(PCB).ssx]); break;\n",
            (int) c,  (c.name().pointer()));
*/
        wpe("    case %d:  {\n"
            "      AG_WRAP_%d *wrapper = (AG_WRAP_%d *) (&(PCB).vs[(PCB).ssx]);\n"
            "      delete wrapper;\n"
            "       break;\n"
            "     }\n",
            (int) c,  (int) c, (int) c);
      }
      wpe("    default: break;\n"
          "  }\n}\n\n");
    }
  }
  else {
    set_my_macro("MY_DELETE_WRAPPERS", "%s", "");
    set_my_macro("DELETE_OBJECT","(PCB).sn = (PCB).ss[--(PCB).ssx];");
  }
  wpe("static %s %sag_null_value NULL_VALUE_INITIALIZER;\n", 
      vst.pointer(), constWord);
  set_my_macro("AG_INPUT", stack_location, Cast(input_token_type)->pointer());

  type = Procedure::count() + 1 <= 255 ? "char" : 
    Procedure::count() + 1 <= 65535 ? "short" : "int";
  wpe("\nstatic %sunsigned %s %sag_rpx[] = {\n  ",constWord, type, LOCUS);
  kw = 4;
  cs = "";
  for (i = 0; i <= nrproc; i++) {
    if (kw + 4 > parserLineLength) {
      kw = 0;
      cs = ",\n  ";
    }
    n = rproc[i];
    kw += wpe("%s%3d", cs, n);
    cs = ",";
  }
  wps("\n};\n");

  //if (key_dict->nsx > 1) write_key_tables();
  if (Keyword::count() > 1) {
    write_key_tables();
  }

  if (max_char_number >= min_char_number) {

    if (min_char_number) {
      ssprintf(" + %d", -min_char_number);
    }
    else {
      ics();
    }
    acs(0);
    int charType = 0;
    if (test_range && pointer_input) {
      int n = strlen(type);
      char *type = pointer_type.pointer();
      char ch = '*';
      while (type[n-1] == ch) {
	type[n-1] = 0;
	n--;
	ch = ' ';
      }
      if (n > 5) {
	type += n - 5;
      }
      if (*type == ' ' || *type == '\t') {
	type++;
      }
      charType = strcmp(type, "char") == 0;
    }
    if (test_range &&
       (!pointer_input || charType)) {
      wpe("#define AG_TCV(x) (((int)(x) >= %d && (int)(x) <= %d) ? ag_tcv[(x)%s] : 0)\n",
         min_char_number, max_char_number, string_base);
    }
    else {
      wpe("\n#define AG_TCV(x) ag_tcv[(x)%s]\n",string_base);
    }
    rcs();
    type = ntkns <= 255 ? "char" : ntkns <= 65535 ? "short" : "int";
    wpe("\nstatic %sunsigned %s %sag_tcv[] = {\n  ", constWord, type, LOCUS);
    kw = 4;
    cs = "";
    for (i = 0; i < n_chars; i++) {
      tn = map_char_number[i].token_number;
      if (kw + 4 > parserLineLength) {
	kw = 0;
	cs = ",\n  ";
      }
      kw += wpe("%s%3d", cs, tn);
      cs = ",";
    }
    wps("\n};\n\n");
  }
  else if (test_range) {
    wpe("#define AG_TCV(x) (((x) > 0 && (x) <= %d) ? (x) : 0)\n", ntkns);
  }
  else {
    wpe("\n#define AG_TCV(x) (x)\n");
  }
  cs = really_old_style ? "function macro defs old style" :
    "function macro defs";
  define_my_macros(cs);
  gen_input_code();


  if (bt) {
    if (auto_resynch || error_token) {
      set_my_macro("AG_EOF", "%d", eof_token);
    }
    if (error_token) {
      set_my_macro("AG_ERROR", "%d", error_token);
    }
    csp = "backtrack on";
    cs = "backtrack on macros";
    define_my_macros(context_type.exists() ? "context macros" : 
		     "no context macros");
    define_my_macros(error_token ? "error resynch undo" : "undo macro");
  }
  else {
    csp = "backtrack off";
    cs = "backtrack off macros";
  }
  define_my_macros(cs);
  write_code_segment(csp);

  if (rtkn_count) {
    wpe("\nstatic %sint %sag_rtt[] = {\n  ", constWord, LOCUS);
    kw = 4;
    cs = "";
    for (i = 0; i < rtkn_count; i++) {
      if (kw + 4 > parserLineLength) {
	kw = 0;
	cs = ",\n  ";
      }
      kw += wpe("%s%3d", cs, rtkn_list[i]);
      cs = ",";
    }
    wps("\n};\n\n");
  }

  write_parse_table_tokens();
  write_parse_table_actions();
  write_parse_table_params();

  fclose(h_file);
  if (headerWriteError == EOF) {
    errorList.push(Error("Error writing header file"));
  }
  LOGS("h_file closed");

  // Up through 2.0, this was <= 255, ignoring "engine_index+1" 9 lines down.
  type = max_engine_index < 255 ? "char" : 
    max_engine_index < 65535 ? "short" : "int";

  wpe("\nstatic %sunsigned %s %sag_sbt[] = {\n", constWord, type, LOCUS);
  kw = 8;
  wps("     0");
  cs = ",";

  LOGS("Write sbt table");
  for (i = 1; i <= nstates; i++) {
    n = map_state_number[i - 1].engine_index + 1;
    if (kw + 6 > parserLineLength) {
      kw = 0;
      cs = ",\n  ";
    }
    kw += wpe("%s%4d", cs, n);
    cs = ",";
  }
  wps("\n};\n\n");

  wpe("\nstatic %sunsigned %s %sag_sbe[] = {\n",constWord, type, LOCUS);
  kw = 8;
  wpe("  %4d", map_state_number[0].n_terminals);
  cs = ",";

  LOGS("Write sbe table");
  for (i = 1; i < nstates; i++) {
    n = map_state_number[i-1].engine_index + 1 + 
      map_state_number[i].n_terminals;
    if (kw + 6 > parserLineLength) {
      kw = 0;
      cs = ",\n  ";
    }
    kw += wpe("%s%4d", cs, n);
    cs = ",";
  }
  wpe("%s%4d", cs, map_state_number[nstates - 1].engine_index + 1);
  wps("\n};\n\n");

  LOGS("Write ag_fl table");
  wpe("\nstatic %sunsigned char %sag_fl[] = {\n  ", constWord, LOCUS);
  kw = 4;
  cs = "";
  for (i = 0; i <= nforms_base; i++) {
    if (kw + 4 > parserLineLength) {
      kw = 0;
      cs = ",\n  ";
    }
    n = Rule(i)->length();
    kw += wpe("%s%1d", cs, n);
    cs = ",";
  }
  wps("\n};\n");

  LOGS("Write ag_ptt table");
  type = ntkns <= 255 ? "char" : ntkns <= 65535 ? "short" : "int";
  wpe("\nstatic %sunsigned %s %sag_ptt[] = {\n  ", constWord, type, LOCUS);

  kw = 4;
  cs = "";
  for (i = 0; i <= nforms_base; i++) {
    if (kw + 4 > parserLineLength) {
      kw = 0;
      cs = ",\n  ";
    }
    n = Rule(i)->prim_tkn;
    kw += wpe("%s%3d", cs, n);
    cs = ",";
  }
  wps("\n};\n\n");

  LOGS("Define macros");
  {
    define_my_macros(
      auto_resynch ? "auto resynch macros" :
      error_token ? "error resynch macros" :
      "parse action macros");
    if (auto_resynch) {
      set_my_macro("AG_RESYNCH", 
		   reentrant_parser ? "ag_auto_resynch(PCB_POINTER);" : 
		   "ag_auto_resynch();");
    }
    define_my_macros(
      semantic_productions ? "reduce macros checking" : "reduce macros");
    write_code_segment(
      semantic_productions ? "reduce loop checking" : "reduce loop");
    if (semantic_productions && reduction_choices) {
      write_code_segment("reduction choices");
    }
  }
  //wpe("\nstatic %s%sag_ra(%s)\n{\n", VOIDB, nearWord, voidWord);
  wpe("\nstatic %s%sag_ra(%s)\n{\n", VOIDB, nearWord, thisArg.pointer());
  LOGS("Write ag_ra table");
  if (reductionProcedures.size() > 1) {
    wpe("  switch(ag_rpx[(PCB).ag_ap]) {\n");
    for (i = 1; i < reductionProcedures.size(); i++) {
      LOGV(i) LCV(reductionProcedures[i]);
      wpe("    case %d: %s", i, reductionProcedures[i].pointer());
    }
    wpe("  }\n");
    if (pointer_input) {
      wpe("  (PCB).la_ptr = (PCB).pointer;\n");
    }
  }
  wpe("}\n\n");

  if (diagnose_errors && !token_names && !token_names_printed) {
    print_token_names(pname.pointer());
  }
  LOGS("Second token_names call point");
  if (auto_resynch || (diagnose_errors && error_frame)) {
    LOGSECTION("ag_ctn option");
    int *ip, *iq = local_array(2*nstates, int);
    int maxToken = 0;

    //nf = 0;
    ip = iq;
    for (i = 0; i < nstates; i++) {
      int token = find_ctn(i);
      if (token > maxToken) {
	maxToken = token;
      }
      *ip++ = token;
      *ip++ = frameIndex;
    }
    ip = iq;

    type = maxToken <= 255 ? "char" : maxToken <= 65535 ? "short" : "int";
    wpe("\nstatic %sunsigned %s %sag_ctn[] = {\n",  constWord, type, LOCUS);
    cs = "  ";
    kw = 2;
    for (i = 0; i < nstates; i++) {
      int f;
      if (kw + 6 > parserLineLength) {
	kw = 0;
	cs = ",\n  ";
      }
      f = *ip++;
      n = *ip++;
      kw += wpe("%s%3d,%1d", cs, f, n);
      cs = ",";
    }
    wps("\n};\n\n");
  }
  LOGS("ag_ctn loop complete");

  if (diagnose_errors) {
    write_code_segment("diagnose defs");
    const char *codeSeg = character_seen ? "diagnose char" : "diagnose token";
    set_my_macro("AG_DIAGNOSE",
		 reentrant_parser ? "ag_diagnose(PCB_POINTER);" :
		 "ag_diagnose();");
    set_my_macro("AG_INIT_ERROR_MESSAGE", "%s", "");
    write_code_segment(codeSeg);
    if (error_frame) {
      const char *contextCode = "diagnose context";
      //if (lines_and_columns) contextCode = "diagnose context col";
      write_code_segment(contextCode);
    }
    wps("}\n");
  }
  else {
    set_my_macro("AG_DIAGNOSE", "%s", "");
    set_my_macro("AG_INIT_ERROR_MESSAGE",
		 "(PCB).error_message = \"Syntax Error\";");
  }

  cs = (auto_resynch || error_token) && event_driven ?
    "ag_action_12_proc" : "ag_action_8_proc";

  set_my_macro("AG_RECOVER", cs);

  write_code_segment("reduce proc defs");
  if (error_token) {
    write_code_segment("reduce proc error defs");
  }
  cs = error_token ? "error resynch" :
    auto_resynch ? "auto resynch": NULL;
  if (cs != NULL) {
    set_my_macro("AG_ERROR_STATE", "%d", nstates);
    if (auto_resynch) {
      write_code_segment("jns proc");
    }
    else if (reentrant_parser) {
      set_my_macro("AG_RESYNCH", "ag_error_resynch(PCB_POINTER);");
    }
    else {
      set_my_macro("AG_RESYNCH", "ag_error_resynch();");
    }
    sss(cs);
    if (event_driven) {
      ass(" token sink mode");
    }
    write_code_segment(string_base);
    rcs();
  }
  else {
    define_my_macros("no resynch");
  }


  {
    cs = "parse procs";
    if (event_driven) {
      cs = "chain parse procs";
    }
    write_code_segment(cs);
    if (error_token)  {
      cs = "error token parse procs";
      if (event_driven) {
	cs = "chain error token parse procs";
      }
      write_code_segment(cs);
    }
    if (auto_resynch) {
      write_code_segment("error parse procs");
    }

    cs = "parse engine";
    if (event_driven) {
      cs = "chain parse engine";
      //if (key_dict->nsx > 1) {
      //  cs = "chain key parse engine";
      //}
      if (Keyword::count() > 1) {
	cs = "chain key parse engine";
      }
    }
    write_code_segment(cs);
  }
  if (cSegmentStack.size() == 0 && main_program 
      && !pointer_input && !event_driven && !reentrant_parser) {
    wpe(
      "\nint main(%s) {\n"
      "  %s();\n"
      "  return 0;\n"
      "}\n", voidWord, pname.pointer());
  }
  fclose(pe_file);
  if (parserWriteError == EOF) {
    errorList.push(Error("Error writing parser file"));
  }
  for (i = 1; i < my_macros->nsx; i++) {
    DEALLOCATE(my_macros_subs[i]);
    my_macros_subs[i] = NULL;
  }
  my_macros = delete_string_dict(my_macros);
  syntax_state = engine_built;
}