--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/helpgen/readhelp.c	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,1027 @@
+/*
+ * AnaGram, a System for Syntax Directed Programming
+ * Copyright 1993 Parsifal Software. All Rights Reserved.
+ * Copyright 2006 David A. Holland. All Rights Reserved.
+ * See the file COPYING for license and usage terms.
+ *
+ * readhelp.syn - Toplevel syntax for help source file.
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "utils.h"
+#include "topic.h"
+#include "helpgen.h"
+
+/*
+ * AnaGram, A System for Syntax Directed Programming
+ * File generated by: Version 2.40-current, built Jun 13 2007
+ *
+ * AnaGram Parsing Engine
+ * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#ifndef READHELP_H_1181769468
+#include "readhelp.h"
+#endif
+
+#ifndef READHELP_H_1181769468
+#error Mismatched header file
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+
+#define RULE_CONTEXT (&((PCB).cs[(PCB).ssx]))
+#define ERROR_CONTEXT ((PCB).cs[(PCB).error_frame_ssx])
+#define CONTEXT ((PCB).cs[(PCB).ssx])
+
+
+
+readhelp_pcb_type readhelp_pcb;
+#define PCB readhelp_pcb
+
+#line 124 "/disk/disk0/home/dholland/projects/ag/src/helpgen/readhelp.syn"
+static char string_space[4096];
+static size_t string_pos;
+
+static void startstr(void) {
+  string_pos = 0;
+}
+
+static void addstr(int ch) { 
+  if (string_pos >= sizeof(string_space)-1) {
+    fprintf(stderr, "String buffer overflow - make string_space larger\n");
+    exit(1);
+  }
+  string_space[string_pos++] = ch;
+}
+
+static const char *getstr(void) {
+  string_space[string_pos] = 0;
+  return string_space;
+}
+#line 88 "readhelp.c"
+#line 149 "/disk/disk0/home/dholland/projects/ag/src/helpgen/readhelp.syn"
+static struct topic *curtopic;
+
+static void startblock(void) {
+  assert(curtopic == NULL);
+  curtopic = topic_create();
+}
+
+static void endblock(void) {
+  help_addtopic(curtopic);
+  curtopic = NULL;
+}
+
+static void see_xref(const char *ref) {
+  topic_addref(curtopic, ref);
+}
+
+#line 106 "readhelp.c"
+#line 172 "/disk/disk0/home/dholland/projects/ag/src/helpgen/readhelp.syn"
+#define GET_CONTEXT CONTEXT = PCB.pointer
+
+static unsigned char *inputdata;
+
+static void block(long head, long tail) {
+  long length = tail - head;
+  assert(length >= 0);
+  if (length > 0) {
+    topic_setbody(curtopic, (const char *)(inputdata+head), length);
+  }
+}
+
+static off_t getlength(int fd) {
+  struct stat st;
+  if (fstat(fd, &st) < 0) {
+    fprintf(stderr, "fstat failed: %s", strerror(errno));
+    exit(1);
+  }
+  return st.st_size;
+}
+
+void load(const char *path) {
+  char *buf;
+  off_t len;
+  int fd, r;
+
+  fd = open(path, O_RDONLY);
+  if (fd < 0) {
+    fprintf(stderr, "%s: %s\n", path, strerror(errno));
+    exit(1);
+  }
+
+  len = getlength(fd);
+  buf = domalloc(len+1);
+  r = read(fd, buf, len);
+  if (r < 0) {
+    fprintf(stderr, "%s: read: %s\n", path, strerror(errno));
+    exit(1);
+  }
+  if (r < len) {
+    fprintf(stderr, "%s: read: short count %d of %ld\n", path, r, (long) len);
+    exit(1);
+  }
+  buf[r] = 0;
+  close(fd);
+
+  inputdata = (unsigned char *) buf;
+  PCB.pointer = inputdata;
+  readhelp();
+  inputdata = NULL;
+  free(buf);
+}
+
+#line 161 "readhelp.c"
+
+#ifndef CONVERT_CASE
+#define CONVERT_CASE(c) (c)
+#endif
+#ifndef TAB_SPACING
+#define TAB_SPACING 8
+#endif
+
+#define ag_rp_1(c) (c)
+
+#define ag_rp_2(c) (startstr(), addstr(c))
+
+#define ag_rp_3(c) (addstr(c))
+
+#define ag_rp_4(c) (addstr(' '), addstr(c))
+
+#define ag_rp_5() (getstr())
+
+#define ag_rp_6(t) (topic_addtitle(curtopic, t))
+
+#define ag_rp_7(t) (topic_addtitle(curtopic, t))
+
+#define ag_rp_8() (CONTEXT - inputdata)
+
+#define ag_rp_9() (see_xref(getstr()))
+
+#define ag_rp_10() (startstr())
+
+#define ag_rp_11(c) (addstr(c))
+
+#define ag_rp_12(c) (addstr(' '), addstr(c))
+
+#define ag_rp_13() (addstr(' '))
+
+#define ag_rp_14() (CONTEXT - inputdata)
+
+#define ag_rp_15() (CONTEXT - inputdata)
+
+static void ag_rp_16(void) {
+#line 105 "/disk/disk0/home/dholland/projects/ag/src/helpgen/readhelp.syn"
+ startblock(); 
+#line 203 "readhelp.c"
+}
+
+#define ag_rp_17() (endblock())
+
+#define ag_rp_18(bb, be) (block(bb,be))
+
+#define ag_rp_19() (block(0,0))
+
+
+#define READ_COUNTS 
+#define WRITE_COUNTS 
+#undef V
+#define V(i,t) (*t (&(PCB).vs[(PCB).ssx + i]))
+#undef VS
+#define VS(i) (PCB).vs[(PCB).ssx + i]
+
+#ifndef GET_CONTEXT
+#define GET_CONTEXT CONTEXT = (PCB).input_context
+#endif
+
+typedef enum {
+  ag_action_1,
+  ag_action_2,
+  ag_action_3,
+  ag_action_4,
+  ag_action_5,
+  ag_action_6,
+  ag_action_7,
+  ag_action_8,
+  ag_action_9,
+  ag_action_10,
+  ag_action_11,
+  ag_action_12
+} ag_parser_action;
+
+
+#ifndef NULL_VALUE_INITIALIZER
+#define NULL_VALUE_INITIALIZER = { 0 }
+#endif
+
+static readhelp_vs_type const ag_null_value NULL_VALUE_INITIALIZER;
+
+static const unsigned char ag_rpx[] = {
+    0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,
+    3,  4,  5,  6,  7,  0,  0,  8,  0,  0,  0,  9, 10, 11, 12, 13,  0,  0,
+   14,  0,  0, 15, 16, 17,  0,  0, 18, 19
+};
+
+static const unsigned char ag_key_itt[] = {
+ 0
+};
+
+static const unsigned short ag_key_pt[] = {
+0
+};
+
+static const unsigned char ag_key_ch[] = {
+    0, 47,255, 35,255
+};
+
+static const unsigned char ag_key_act[] = {
+  0,3,4,3,4
+};
+
+static const unsigned char ag_key_parm[] = {
+    0,  6,  0, 32,  0
+};
+
+static const unsigned char ag_key_jmp[] = {
+    0,  0,  0,  2,  0
+};
+
+static const unsigned char ag_key_index[] = {
+    1,  1,  0,  1,  1,  1,  1,  0,  0,  1,  3,  1,  0,  0,  0,  3,  0,  1,
+    0,  0,  0,  3,  3,  0,  0,  0,  0,  3,  0,  3
+};
+
+static const unsigned char ag_key_ends[] = {
+47,0, 35,0, 
+};
+
+#define AG_TCV(x) ag_tcv[(x)]
+
+static const unsigned char ag_tcv[] = {
+   39,  2,  2,  2,  2,  2,  2,  2,  2,  4, 12,  2,  2, 10,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  4,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2, 20,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2, 28, 27,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2
+};
+
+#ifndef SYNTAX_ERROR
+#define SYNTAX_ERROR fprintf(stderr,"%s, line %d, column %d\n", \
+  (PCB).error_message, (PCB).line, (PCB).column)
+#endif
+
+#ifndef FIRST_LINE
+#define FIRST_LINE 1
+#endif
+
+#ifndef FIRST_COLUMN
+#define FIRST_COLUMN 1
+#endif
+
+#ifndef PARSER_STACK_OVERFLOW
+#define PARSER_STACK_OVERFLOW {fprintf(stderr, \
+   "\nParser stack overflow, line %d, column %d\n",\
+   (PCB).line, (PCB).column);}
+#endif
+
+#ifndef REDUCTION_TOKEN_ERROR
+#define REDUCTION_TOKEN_ERROR {fprintf(stderr, \
+    "\nReduction token error, line %d, column %d\n", \
+    (PCB).line, (PCB).column);}
+#endif
+
+
+#ifndef INPUT_CODE
+#define INPUT_CODE(T) (T)
+#endif
+
+typedef enum
+  {ag_accept_key, ag_set_key, ag_jmp_key, ag_end_key, ag_no_match_key,
+   ag_cf_accept_key, ag_cf_set_key, ag_cf_end_key} key_words;
+
+static void ag_get_key_word(int ag_k) {
+  int ag_save = (int) ((PCB).la_ptr - (PCB).pointer);
+  const  unsigned char *ag_p;
+  int ag_ch;
+  while (1) {
+    switch (ag_key_act[ag_k]) {
+    case ag_cf_end_key: {
+      const  unsigned char *sp = ag_key_ends + ag_key_jmp[ag_k];
+      do {
+        if ((ag_ch = *sp++) == 0) {
+          int ag_k1 = ag_key_parm[ag_k];
+          int ag_k2 = ag_key_pt[ag_k1];
+          if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) goto ag_fail;
+          (PCB).token_number = (readhelp_token_type) ag_key_pt[ag_k1 + 1];
+          return;
+        }
+      } while (CONVERT_CASE(*(PCB).la_ptr++) == ag_ch);
+      goto ag_fail;
+    }
+    case ag_end_key: {
+      const  unsigned char *sp = ag_key_ends + ag_key_jmp[ag_k];
+      do {
+        if ((ag_ch = *sp++) == 0) {
+          (PCB).token_number = (readhelp_token_type) ag_key_parm[ag_k];
+          return;
+        }
+      } while (CONVERT_CASE(*(PCB).la_ptr++) == ag_ch);
+    }
+    case ag_no_match_key:
+ag_fail:
+      (PCB).la_ptr = (PCB).pointer + ag_save;
+      return;
+    case ag_cf_set_key: {
+      int ag_k1 = ag_key_parm[ag_k];
+      int ag_k2 = ag_key_pt[ag_k1];
+      ag_k = ag_key_jmp[ag_k];
+      if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) break;
+      ag_save = (int) ((PCB).la_ptr - (PCB).pointer);
+      (PCB).token_number = (readhelp_token_type) ag_key_pt[ag_k1+1];
+      break;
+    }
+    case ag_set_key:
+      ag_save = (int) ((PCB).la_ptr - (PCB).pointer);
+      (PCB).token_number = (readhelp_token_type) ag_key_parm[ag_k];
+    case ag_jmp_key:
+      ag_k = ag_key_jmp[ag_k];
+      break;
+    case ag_accept_key:
+      (PCB).token_number = (readhelp_token_type) ag_key_parm[ag_k];
+      return;
+    case ag_cf_accept_key: {
+      int ag_k1 = ag_key_parm[ag_k];
+      int ag_k2 = ag_key_pt[ag_k1];
+      if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)])
+        (PCB).la_ptr = (PCB).pointer + ag_save;
+      else (PCB).token_number = (readhelp_token_type) ag_key_pt[ag_k1+1];
+      return;
+    }
+    }
+    ag_ch = CONVERT_CASE(*(PCB).la_ptr++);
+    ag_p = &ag_key_ch[ag_k];
+    if (ag_ch <= 255) while (*ag_p < ag_ch) ag_p++;
+    if (ag_ch > 255 || *ag_p != ag_ch) {
+      (PCB).la_ptr = (PCB).pointer + ag_save;
+      return;
+    }
+    ag_k = (int) (ag_p - ag_key_ch);
+  }
+}
+
+
+#ifndef AG_NEWLINE
+#define AG_NEWLINE 10
+#endif
+
+#ifndef AG_RETURN
+#define AG_RETURN 13
+#endif
+
+#ifndef AG_FORMFEED
+#define AG_FORMFEED 12
+#endif
+
+#ifndef AG_TABCHAR
+#define AG_TABCHAR 9
+#endif
+
+static void ag_track(void) {
+  int ag_k = (int) ((PCB).la_ptr - (PCB).pointer);
+  while (ag_k--) {
+    switch (*(PCB).pointer++) {
+    case AG_NEWLINE:
+      (PCB).column = 1, (PCB).line++;
+    case AG_RETURN:
+    case AG_FORMFEED:
+      break;
+    case AG_TABCHAR:
+      (PCB).column += (TAB_SPACING) - ((PCB).column - 1) % (TAB_SPACING);
+      break;
+    default:
+      (PCB).column++;
+    }
+  }
+}
+
+
+static void ag_prot(void) {
+  int ag_k;
+  ag_k = 128 - ++(PCB).btsx;
+  if (ag_k <= (PCB).ssx) {
+    (PCB).exit_flag = AG_STACK_ERROR_CODE;
+    PARSER_STACK_OVERFLOW;
+    return;
+  }
+  (PCB).bts[(PCB).btsx] = (PCB).sn;
+  (PCB).bts[ag_k] = (PCB).ssx;
+  (PCB).vs[ag_k] = (PCB).vs[(PCB).ssx];
+  (PCB).ss[ag_k] = (PCB).ss[(PCB).ssx];
+  (PCB).cs[ag_k] = (PCB).cs[(PCB).ssx];
+}
+
+static void ag_undo(void) {
+  if ((PCB).drt == -1) return;
+  while ((PCB).btsx) {
+    int ag_k = 128 - (PCB).btsx;
+    (PCB).sn = (PCB).bts[(PCB).btsx--];
+    (PCB).ssx = (PCB).bts[ag_k];
+    (PCB).vs[(PCB).ssx] = (PCB).vs[ag_k];
+    (PCB).ss[(PCB).ssx] = (PCB).ss[ag_k];
+    (PCB).cs[(PCB).ssx] = (PCB).cs[ag_k];
+  }
+  (PCB).token_number = (readhelp_token_type) (PCB).drt;
+  (PCB).ssx = (PCB).dssx;
+  (PCB).sn = (PCB).dsn;
+  (PCB).drt = -1;
+}
+
+
+static const unsigned char ag_tstt[] = {
+39,12,10,6,4,2,0,37,38,
+39,12,10,6,4,2,0,3,15,33,34,
+2,0,1,17,18,19,
+4,0,
+12,10,6,0,5,9,
+20,12,10,6,4,2,0,1,3,15,
+20,12,10,6,0,5,9,
+28,27,20,4,2,0,8,
+12,10,0,11,
+4,2,0,1,
+32,28,20,12,10,4,2,0,11,13,30,31,35,36,
+12,10,6,4,2,0,3,14,15,
+28,27,20,4,2,0,
+12,0,
+12,0,
+32,28,20,12,10,4,2,0,11,13,
+28,20,4,2,0,21,22,23,25,26,29,
+12,10,6,2,0,5,9,16,
+2,0,1,17,18,
+27,12,10,4,2,0,1,3,15,
+28,20,12,10,4,2,0,11,13,22,25,26,
+28,20,4,2,0,22,23,25,26,
+32,12,10,0,11,13,30,31,
+4,2,0,3,15,
+4,2,0,1,
+27,12,10,0,11,
+28,20,12,10,4,2,0,11,13,22,25,26,
+32,28,20,12,10,4,2,0,11,13,21,22,23,25,26,
+12,0,
+28,20,4,2,0,22,23,25,26,
+
+};
+
+
+static unsigned const char ag_astt[223] = {
+  8,5,5,5,8,8,7,0,1,3,8,8,8,1,4,7,1,1,3,1,2,7,2,1,2,1,9,5,5,8,1,7,3,1,5,5,5,
+  5,1,2,7,2,1,2,1,5,8,1,7,1,1,1,1,1,1,1,7,1,8,1,7,1,9,2,5,2,2,8,8,8,1,8,8,7,
+  1,2,1,2,2,1,8,8,8,1,5,7,1,1,1,9,9,9,9,9,5,3,7,3,7,3,5,5,8,1,5,5,7,1,3,2,1,
+  1,1,7,1,1,1,1,1,1,5,8,1,5,7,1,1,3,2,7,2,1,2,8,5,8,1,2,7,2,1,1,2,9,8,1,9,9,
+  7,1,2,3,3,1,2,1,1,1,5,1,1,1,1,2,8,1,7,1,2,1,2,1,5,7,1,3,9,2,5,2,2,8,1,7,1,
+  2,9,8,1,9,9,7,1,3,3,3,1,3,2,1,8,1,1,1,7,1,3,1,1,1,1,1,2,7,2,1,1,1,5,1,1,1,
+  1
+};
+
+
+static const unsigned char ag_pstt[] = {
+1,47,47,47,1,1,0,0,1,
+46,4,4,4,3,40,1,3,4,49,2,
+1,2,17,5,21,6,
+3,13,
+6,8,7,4,48,8,
+12,12,12,12,9,1,5,18,9,20,
+11,6,8,7,6,10,8,
+12,12,12,12,12,7,12,
+13,13,8,13,
+3,1,13,19,
+39,16,16,14,14,16,16,10,14,36,15,45,41,16,
+17,17,17,3,12,11,3,18,17,
+5,5,5,5,5,7,
+10,13,
+11,14,
+38,43,43,14,14,43,43,15,14,37,
+30,20,20,20,16,21,20,20,20,19,22,
+6,8,7,14,17,23,8,16,
+1,18,17,5,22,
+25,12,25,24,1,19,31,24,25,
+30,24,14,14,24,24,20,14,25,24,24,19,
+30,26,26,26,34,26,26,26,19,
+39,14,14,22,14,36,27,44,
+3,12,23,3,15,
+3,1,13,32,
+29,28,28,25,28,
+30,24,14,14,24,24,26,14,26,24,24,19,
+38,30,20,14,14,20,20,27,14,37,29,20,20,20,19,
+33,28,
+30,26,26,26,35,26,26,26,19,
+
+};
+
+
+static const unsigned char ag_sbt[] = {
+     0,   9,  20,  26,  28,  34,  44,  51,  58,  62,  66,  80,  89,  95,
+    97,  99, 109, 120, 128, 133, 142, 154, 163, 171, 176, 180, 185, 197,
+   212, 214, 223
+};
+
+
+static const unsigned char ag_sbe[] = {
+     6,  15,  21,  27,  31,  40,  48,  56,  60,  64,  73,  85,  94,  96,
+    98, 106, 113, 124, 129, 138, 148, 158, 166, 173, 178, 183, 191, 204,
+   213, 218, 223
+};
+
+
+static const unsigned char ag_fl[] = {
+  1,1,1,2,1,2,0,2,0,1,3,2,0,1,0,2,2,1,2,3,2,1,4,1,2,2,3,1,1,3,1,2,3,4,1,
+  3,1,2,2,1,0,4,0,1,3,1,2,0,3,2
+};
+
+static const unsigned char ag_ptt[] = {
+    0,  1,  3,  3,  8,  8,  9,  9, 11, 11,  5, 13, 15, 15, 16, 16, 14, 17,
+   17, 17, 18, 19, 19, 23, 23, 21, 21, 22, 22, 25, 26, 26, 26, 26, 29, 29,
+   30, 30, 31, 31, 34, 33, 36, 36, 35, 35, 37, 38, 38, 38
+};
+
+
+static void ag_ra(void)
+{
+  switch(ag_rpx[(PCB).ag_ap]) {
+    case 1: V(0,(int *)) = ag_rp_1(V(0,(int *))); break;
+    case 2: ag_rp_2(V(0,(int *))); break;
+    case 3: ag_rp_3(V(1,(int *))); break;
+    case 4: ag_rp_4(V(2,(int *))); break;
+    case 5: V(0,(const char * *)) = ag_rp_5(); break;
+    case 6: ag_rp_6(V(0,(const char * *))); break;
+    case 7: ag_rp_7(V(3,(const char * *))); break;
+    case 8: V(0,(long *)) = ag_rp_8(); break;
+    case 9: ag_rp_9(); break;
+    case 10: ag_rp_10(); break;
+    case 11: ag_rp_11(V(1,(int *))); break;
+    case 12: ag_rp_12(V(2,(int *))); break;
+    case 13: ag_rp_13(); break;
+    case 14: V(0,(long *)) = ag_rp_14(); break;
+    case 15: V(0,(long *)) = ag_rp_15(); break;
+    case 16: ag_rp_16(); break;
+    case 17: ag_rp_17(); break;
+    case 18: ag_rp_18(V(1,(long *)), V(2,(long *))); break;
+    case 19: ag_rp_19(); break;
+  }
+  (PCB).la_ptr = (PCB).pointer;
+}
+
+#define TOKEN_NAMES readhelp_token_names
+const char *const readhelp_token_names[40] = {
+  "file",
+  "letter",
+  "",
+  "blanks",
+  "blank",
+  "eol",
+  "\"//\"",
+  "text",
+  "",
+  "",
+  "cr",
+  "",
+  "nl",
+  "new line",
+  "continue",
+  "",
+  "",
+  "name",
+  "title",
+  "titles",
+  "','",
+  "text lines",
+  "text unit",
+  "",
+  "",
+  "cross reference",
+  "cross reference text",
+  "right",
+  "left",
+  "block body",
+  "blank lines",
+  "end block",
+  "\"##\"",
+  "block",
+  "",
+  "real block body",
+  "",
+  "file",
+  "blocks",
+  "eof",
+
+};
+
+#ifndef MISSING_FORMAT
+#define MISSING_FORMAT "Missing %s"
+#endif
+#ifndef UNEXPECTED_FORMAT
+#define UNEXPECTED_FORMAT "Unexpected %s"
+#endif
+#ifndef UNNAMED_TOKEN
+#define UNNAMED_TOKEN "input"
+#endif
+
+
+static void ag_diagnose(void) {
+  int ag_snd = (PCB).sn;
+  int ag_k = ag_sbt[ag_snd];
+
+  if (*TOKEN_NAMES[ag_tstt[ag_k]] && ag_astt[ag_k + 1] == ag_action_8) {
+    sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]);
+  }
+  else if (ag_astt[ag_sbe[(PCB).sn]] == ag_action_8
+          && (ag_k = (int) ag_sbe[(PCB).sn] + 1) == (int) ag_sbt[(PCB).sn+1] - 1
+          && *TOKEN_NAMES[ag_tstt[ag_k]]) {
+    sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]);
+  }
+  else if ((PCB).token_number && *TOKEN_NAMES[(PCB).token_number]) {
+    sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, TOKEN_NAMES[(PCB).token_number]);
+  }
+  else if (isprint(INPUT_CODE((*(PCB).pointer))) && INPUT_CODE((*(PCB).pointer)) != '\\') {
+    char buf[20];
+    sprintf(buf, "\'%c\'", (char) INPUT_CODE((*(PCB).pointer)));
+    sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, buf);
+  }
+  else sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, UNNAMED_TOKEN);
+  (PCB).error_message = (PCB).ag_msg;
+
+
+}
+static int ag_action_1_r_proc(void);
+static int ag_action_2_r_proc(void);
+static int ag_action_3_r_proc(void);
+static int ag_action_4_r_proc(void);
+static int ag_action_1_s_proc(void);
+static int ag_action_3_s_proc(void);
+static int ag_action_1_proc(void);
+static int ag_action_2_proc(void);
+static int ag_action_3_proc(void);
+static int ag_action_4_proc(void);
+static int ag_action_5_proc(void);
+static int ag_action_6_proc(void);
+static int ag_action_7_proc(void);
+static int ag_action_8_proc(void);
+static int ag_action_9_proc(void);
+static int ag_action_10_proc(void);
+static int ag_action_11_proc(void);
+static int ag_action_8_proc(void);
+
+
+static int (*const  ag_r_procs_scan[])(void) = {
+  ag_action_1_r_proc,
+  ag_action_2_r_proc,
+  ag_action_3_r_proc,
+  ag_action_4_r_proc
+};
+
+static int (*const  ag_s_procs_scan[])(void) = {
+  ag_action_1_s_proc,
+  ag_action_2_r_proc,
+  ag_action_3_s_proc,
+  ag_action_4_r_proc
+};
+
+static int (*const  ag_gt_procs_scan[])(void) = {
+  ag_action_1_proc,
+  ag_action_2_proc,
+  ag_action_3_proc,
+  ag_action_4_proc,
+  ag_action_5_proc,
+  ag_action_6_proc,
+  ag_action_7_proc,
+  ag_action_8_proc,
+  ag_action_9_proc,
+  ag_action_10_proc,
+  ag_action_11_proc,
+  ag_action_8_proc
+};
+
+
+static int ag_action_10_proc(void) {
+  int ag_t = (PCB).token_number;
+  (PCB).btsx = 0, (PCB).drt = -1;
+  do {
+    ag_track();
+    (PCB).token_number = (readhelp_token_type) AG_TCV(INPUT_CODE(*(PCB).la_ptr));
+    (PCB).la_ptr++;
+    if (ag_key_index[(PCB).sn]) {
+      unsigned ag_k = ag_key_index[(PCB).sn];
+      int ag_ch = CONVERT_CASE(INPUT_CODE(*(PCB).pointer));
+      if (ag_ch <= 255) {
+        while (ag_key_ch[ag_k] < ag_ch) ag_k++;
+        if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k);
+      }
+    }
+  } while ((PCB).token_number == (readhelp_token_type) ag_t);
+  (PCB).la_ptr =  (PCB).pointer;
+  return 1;
+}
+
+static int ag_action_11_proc(void) {
+  int ag_t = (PCB).token_number;
+
+  (PCB).btsx = 0, (PCB).drt = -1;
+  do {
+    (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer;
+    (PCB).ssx--;
+    ag_track();
+    ag_ra();
+    if ((PCB).exit_flag != AG_RUNNING_CODE) return 0;
+    (PCB).ssx++;
+    (PCB).token_number = (readhelp_token_type) AG_TCV(INPUT_CODE(*(PCB).la_ptr));
+    (PCB).la_ptr++;
+    if (ag_key_index[(PCB).sn]) {
+      unsigned ag_k = ag_key_index[(PCB).sn];
+      int ag_ch = CONVERT_CASE(INPUT_CODE(*(PCB).pointer));
+      if (ag_ch <= 255) {
+        while (ag_key_ch[ag_k] < ag_ch) ag_k++;
+        if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k);
+      }
+    }
+  }
+  while ((PCB).token_number == (readhelp_token_type) ag_t);
+  (PCB).la_ptr =  (PCB).pointer;
+  return 1;
+}
+
+static int ag_action_3_r_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
+  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  (PCB).btsx = 0, (PCB).drt = -1;
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  ag_ra();
+  return (PCB).exit_flag == AG_RUNNING_CODE;
+}
+
+static int ag_action_3_s_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
+  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  (PCB).btsx = 0, (PCB).drt = -1;
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  ag_ra();
+  return (PCB).exit_flag == AG_RUNNING_CODE;
+}
+
+static int ag_action_4_r_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
+  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  return 1;
+}
+
+static int ag_action_2_proc(void) {
+  (PCB).btsx = 0, (PCB).drt = -1;
+  if ((PCB).ssx >= 128) {
+    (PCB).exit_flag = AG_STACK_ERROR_CODE;
+    PARSER_STACK_OVERFLOW;
+  }
+  (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer;
+  GET_CONTEXT;
+  (PCB).ss[(PCB).ssx] = (PCB).sn;
+  (PCB).ssx++;
+  (PCB).sn = (PCB).ag_ap;
+  ag_track();
+  return 0;
+}
+
+static int ag_action_9_proc(void) {
+  if ((PCB).drt == -1) {
+    (PCB).drt=(PCB).token_number;
+    (PCB).dssx=(PCB).ssx;
+    (PCB).dsn=(PCB).sn;
+  }
+  ag_prot();
+  (PCB).vs[(PCB).ssx] = ag_null_value;
+  GET_CONTEXT;
+  (PCB).ss[(PCB).ssx] = (PCB).sn;
+  (PCB).ssx++;
+  (PCB).sn = (PCB).ag_ap;
+  (PCB).la_ptr =  (PCB).pointer;
+  return (PCB).exit_flag == AG_RUNNING_CODE;
+}
+
+static int ag_action_2_r_proc(void) {
+  (PCB).ssx++;
+  (PCB).sn = (PCB).ag_ap;
+  return 0;
+}
+
+static int ag_action_7_proc(void) {
+  --(PCB).ssx;
+  (PCB).la_ptr =  (PCB).pointer;
+  (PCB).exit_flag = AG_SUCCESS_CODE;
+  return 0;
+}
+
+static int ag_action_1_proc(void) {
+  ag_track();
+  (PCB).exit_flag = AG_SUCCESS_CODE;
+  return 0;
+}
+
+static int ag_action_1_r_proc(void) {
+  (PCB).exit_flag = AG_SUCCESS_CODE;
+  return 0;
+}
+
+static int ag_action_1_s_proc(void) {
+  (PCB).exit_flag = AG_SUCCESS_CODE;
+  return 0;
+}
+
+static int ag_action_4_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  (PCB).btsx = 0, (PCB).drt = -1;
+  (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer;
+  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  else GET_CONTEXT;
+  (PCB).ss[(PCB).ssx] = (PCB).sn;
+  ag_track();
+  while ((PCB).exit_flag == AG_RUNNING_CODE) {
+    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
+    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
+    do {
+      unsigned ag_tx = (ag_t1 + ag_t2)/2;
+      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
+      else ag_t2 = ag_tx;
+    } while (ag_t1 < ag_t2);
+    (PCB).ag_ap = ag_pstt[ag_t1];
+    if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break;
+  }
+  return 0;
+}
+
+static int ag_action_3_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
+  (PCB).btsx = 0, (PCB).drt = -1;
+  (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer;
+  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  else GET_CONTEXT;
+  (PCB).ss[(PCB).ssx] = (PCB).sn;
+  ag_track();
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  ag_ra();
+  while ((PCB).exit_flag == AG_RUNNING_CODE) {
+    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
+    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
+    do {
+      unsigned ag_tx = (ag_t1 + ag_t2)/2;
+      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
+      else ag_t2 = ag_tx;
+    } while (ag_t1 < ag_t2);
+    (PCB).ag_ap = ag_pstt[ag_t1];
+    if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break;
+  }
+  return 0;
+}
+
+static int ag_action_8_proc(void) {
+  ag_undo();
+  (PCB).la_ptr =  (PCB).pointer;
+  (PCB).exit_flag = AG_SYNTAX_ERROR_CODE;
+  ag_diagnose();
+  SYNTAX_ERROR;
+  {(PCB).la_ptr = (PCB).pointer + 1; ag_track();}
+  return (PCB).exit_flag == AG_RUNNING_CODE;
+}
+
+static int ag_action_5_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap];
+  (PCB).btsx = 0, (PCB).drt = -1;
+  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  else {
+    GET_CONTEXT;
+    (PCB).ss[(PCB).ssx] = (PCB).sn;
+  }
+  (PCB).la_ptr =  (PCB).pointer;
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  ag_ra();
+  while ((PCB).exit_flag == AG_RUNNING_CODE) {
+    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
+    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
+    do {
+      unsigned ag_tx = (ag_t1 + ag_t2)/2;
+      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
+      else ag_t2 = ag_tx;
+    } while (ag_t1 < ag_t2);
+    (PCB).ag_ap = ag_pstt[ag_t1];
+    if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break;
+  }
+  return (PCB).exit_flag == AG_RUNNING_CODE;
+}
+
+static int ag_action_6_proc(void) {
+  int ag_sd = ag_fl[(PCB).ag_ap];
+  (PCB).reduction_token = (readhelp_token_type) ag_ptt[(PCB).ag_ap];
+  if ((PCB).drt == -1) {
+    (PCB).drt=(PCB).token_number;
+    (PCB).dssx=(PCB).ssx;
+    (PCB).dsn=(PCB).sn;
+  }
+  if (ag_sd) {
+    (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
+  }
+  else {
+    ag_prot();
+    (PCB).vs[(PCB).ssx] = ag_null_value;
+    GET_CONTEXT;
+    (PCB).ss[(PCB).ssx] = (PCB).sn;
+  }
+  (PCB).la_ptr =  (PCB).pointer;
+  while ((PCB).exit_flag == AG_RUNNING_CODE) {
+    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
+    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
+    do {
+      unsigned ag_tx = (ag_t1 + ag_t2)/2;
+      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
+      else ag_t2 = ag_tx;
+    } while (ag_t1 < ag_t2);
+    (PCB).ag_ap = ag_pstt[ag_t1];
+    if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break;
+  }
+  return (PCB).exit_flag == AG_RUNNING_CODE;
+}
+
+
+void init_readhelp(void) {
+  (PCB).la_ptr = (PCB).pointer;
+  (PCB).ss[0] = (PCB).sn = (PCB).ssx = 0;
+  (PCB).exit_flag = AG_RUNNING_CODE;
+  (PCB).line = FIRST_LINE;
+  (PCB).column = FIRST_COLUMN;
+  (PCB).btsx = 0, (PCB).drt = -1;
+}
+
+void readhelp(void) {
+  init_readhelp();
+  (PCB).exit_flag = AG_RUNNING_CODE;
+  while ((PCB).exit_flag == AG_RUNNING_CODE) {
+    unsigned ag_t1 = ag_sbt[(PCB).sn];
+    if (ag_tstt[ag_t1]) {
+      unsigned ag_t2 = ag_sbe[(PCB).sn] - 1;
+      (PCB).token_number = (readhelp_token_type) AG_TCV(INPUT_CODE(*(PCB).la_ptr));
+      (PCB).la_ptr++;
+      if (ag_key_index[(PCB).sn]) {
+        unsigned ag_k = ag_key_index[(PCB).sn];
+        int ag_ch = CONVERT_CASE(INPUT_CODE(*(PCB).pointer));
+        if (ag_ch <= 255) {
+          while (ag_key_ch[ag_k] < ag_ch) ag_k++;
+          if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k);
+        }
+      }
+      do {
+        unsigned ag_tx = (ag_t1 + ag_t2)/2;
+        if (ag_tstt[ag_tx] > (unsigned char)(PCB).token_number)
+          ag_t1 = ag_tx + 1;
+        else ag_t2 = ag_tx;
+      } while (ag_t1 < ag_t2);
+      if (ag_tstt[ag_t1] != (unsigned char)(PCB).token_number)
+        ag_t1 = ag_sbe[(PCB).sn];
+    }
+    (PCB).ag_ap = ag_pstt[ag_t1];
+    (ag_gt_procs_scan[ag_astt[ag_t1]])();
+  }
+}
+
+