1 /* Copyright 2014 Clerk Ma
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2 of the License, or
6 (at your option) any later version.
8 This program is distributed in the hope that it will be useful, but
9 WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
41 while (!(cur_cmd != spacer));
43 if (cur_tok == other_token + '-')
46 cur_tok = other_token + '+';
49 while (!(cur_tok != other_token + '+'));
51 if (cur_tok == alpha_token)
55 if (cur_tok < cs_token_flag)
59 if (cur_cmd <= right_brace)
60 if (cur_cmd == right_brace)
65 else if (cur_tok < cs_token_flag + single_base)
66 cur_val = cur_tok - cs_token_flag - active_base;
68 cur_val = cur_tok - cs_token_flag - single_base;
72 print_err("Improper alphabetic constant");
73 help2("A one-character control sequence belongs after a ` mark.",
74 "So I'm essentially inserting \\0 here.");
82 if (cur_cmd != spacer)
86 else if ((cur_cmd >= min_internal) && (cur_cmd <= max_internal))
88 scan_something_internal(int_val, false);
93 m = 214748364L; /* 7FFFFFFF hex */
95 if (cur_tok == octal_token)
98 m = 268435456L; /* 2^28 */
101 else if (cur_tok == hex_token)
104 m = 134217728L; /* 2^27 8000000 hex */
113 if ((cur_tok < zero_token + radix) && (cur_tok >= zero_token) && (cur_tok <= zero_token + 9))
114 d = cur_tok - zero_token;
115 else if (radix == 16)
116 if ((cur_tok <= A_token + 5) && (cur_tok >= A_token))
117 d = cur_tok - A_token + 10;
118 else if ((cur_tok <= other_A_token + 5) && (cur_tok >= other_A_token))
119 d = cur_tok - other_A_token;
127 if ((cur_val >= m) && ((cur_val > m) || (d > 7) || (radix != 10)))
131 print_err("Number too big");
132 help2("I can only go up to 2147483647='17777777777=\"7FFFFFFF,",
133 "so I'm using that number instead of yours.");
135 cur_val = 2147483647L; /* 7FFFFFFF hex */
140 cur_val = cur_val * radix + d;
147 print_err("Missing number, treated as zero");
148 help3("A number should have been here; I inserted `0'.",
149 "(If you can't figure out why I needed to see a number,",
150 "look up `weird error' in the index to The TeXbook.)");
153 else if (cur_cmd != spacer)
158 cur_val = - (integer) cur_val;
161 void scan_dimen_(boolean mu, boolean inf, boolean shortcut)
186 while (!(cur_cmd != spacer));
188 if (cur_tok == other_token + '-')
190 negative = ! negative;
191 cur_tok = other_token + '+';
194 while (!(cur_tok != other_token + '+'));
196 if ((cur_cmd >= min_internal) && (cur_cmd <= max_internal))
200 scan_something_internal(mu_val, false);
202 if (cur_val_level >= glue_val)
205 delete_glue_ref(cur_val);
209 if (cur_val_level == mu_val)
212 if (cur_val_level != int_val)
217 scan_something_internal(dimen_val, false);
219 if (cur_val_level == dimen_val)
227 if (cur_tok == continental_point_token)
228 cur_tok = point_token;
230 if (cur_tok != point_token)
240 if (cur_tok == continental_point_token)
241 cur_tok = point_token;
243 if ((radix == 10) && (cur_tok == point_token))
246 p = 0; /* p:=null l.8883 */
253 if ((cur_tok > zero_token + 9) || (cur_tok < zero_token))
260 info(q) = cur_tok - zero_token;
266 for (kk = k; kk >= 1; kk--)
268 dig[kk - 1] = info(p);
274 f = round_decimals(k);
276 if (cur_cmd != spacer)
284 negative = !negative;
285 cur_val = - (integer) cur_val;
290 if (scan_keyword("fil"))
294 while (scan_keyword("l"))
296 if (cur_order == filll)
298 print_err("Illegal unit of measure (");
299 print_string("replaced by filll)");
300 help1("I dddon't go any higher than filll.");
310 savecurval = cur_val;
316 while (!(cur_cmd != spacer));
318 if ((cur_cmd < min_internal) || (cur_cmd > max_internal))
324 scan_something_internal(mu_val, false);
326 if (cur_val_level >= glue_val)
329 delete_glue_ref(cur_val);
333 if (cur_val_level != mu_val)
340 scan_something_internal(dimen_val, false);
350 if (scan_keyword("em"))
352 else if (scan_keyword("ex"))
353 v = x_height(cur_font);
360 if (cur_cmd != spacer)
364 cur_val = mult_and_add(savecurval, v, xn_over_d(v, f, 65536L), 1073741823L); /* 2^30 - 1 */
369 if (scan_keyword("mu"))
373 print_err("Illegal unit of measure (");
374 print_string("mu inserted)");
375 help4("The unit of measurement in math glue must be mu.",
376 "To recover gracefully from this error, it's best to",
377 "delete the erroneous units; e.g., type `2' to delete",
378 "two letters. (See Chapter 27 of The TeXbook.)");
384 if (scan_keyword("true"))
390 cur_val = xn_over_d(cur_val, 1000, mag);
391 f = (1000 * f + 65536L * tex_remainder) / mag;
392 cur_val = cur_val + (f / 65536L);
397 if (scan_keyword("pt"))
400 if (scan_keyword("in"))
401 set_conversion(7227, 100);
402 else if (scan_keyword("pc"))
403 set_conversion(12, 1);
404 else if (scan_keyword("cm"))
405 set_conversion(7227, 254);
406 else if (scan_keyword("mm"))
407 set_conversion(7227, 2540);
408 else if (scan_keyword("bp"))
409 set_conversion(7227, 7200);
410 else if (scan_keyword("dd"))
411 set_conversion(1238, 1157);
412 else if (scan_keyword("cc"))
413 set_conversion(14856, 1157);
414 else if (scan_keyword("Q"))
415 set_conversion(7227, 10160);
416 else if (scan_keyword("H"))
417 set_conversion(7227, 10160);
418 else if (scan_keyword("sp"))
422 print_err("Illegal unit of measure (");
423 print_string("pt inserted)");
424 help6("Dimensions can be in units of em, ex, in, pt, pc,",
425 "cm, mm, dd, cc, bp, or sp; but yours is a new one!",
426 "I'll assume that you meant to say pt, for printer's points.",
427 "To recover gracefully from this error, it's best to",
428 "delete the erroneous units; e.g., type `2' to delete",
429 "two letters. (See Chapter 27 of The TeXbook.)");
434 cur_val = xn_over_d(cur_val, num, denom);
435 f = (num * f + 65536L * tex_remainder) / denom;
436 cur_val = cur_val +(f / 65536L);
440 if (cur_val >= 16384) /* 2^14 */
443 cur_val = cur_val * 65536L + f;
448 if (cur_cmd != spacer)
452 if (arith_error || (abs(cur_val) >= 1073741824L)) /* 2^30 */
454 print_err("Dimension too large");
455 help2("I can't work with sizes bigger than about 19 feet.",
456 "Continue and I'll use the largest value I can.");
458 cur_val = 1073741823L; /* 2^30 - 1 */
463 cur_val = - (integer) cur_val;
466 void scan_glue_(small_number level)
472 mu = (level == mu_val);
481 while (!(cur_cmd != spacer));
483 if (cur_tok == other_token + '-')
485 negative = !negative;
486 cur_tok = other_token + '+';
489 while (!(cur_tok != other_token + '+'));
491 if ((cur_cmd >= min_internal) && (cur_cmd <= max_internal))
493 scan_something_internal(level, negative);
495 if (cur_val_level >= glue_val)
497 if (cur_val_level != level)
504 if (cur_val_level == int_val)
506 scan_dimen(mu, false, true);
508 else if (level == mu_val)
516 scan_dimen(mu, false, false);
519 cur_val = - (integer) cur_val;
521 q = new_spec(zero_glue);
524 if (scan_keyword("plus"))
526 scan_dimen(mu, true, false);
527 stretch(q) = cur_val;
528 stretch_order(q) = cur_order;
531 if (scan_keyword("minus"))
533 scan_dimen(mu, true, false);
535 shrink_order(q) = cur_order;
541 halfword scan_rule_spec (void)
547 if (cur_cmd == vrule)
548 width(q) = default_rule;
551 height(q) = default_rule;
557 if (scan_keyword("width"))
559 scan_dimen(false, false, false);
564 if (scan_keyword("height"))
566 scan_dimen(false, false, false);
571 if (scan_keyword("depth"))
573 scan_dimen(false, false, false);
581 halfword str_toks_(pool_pointer b)
602 fast_store_new_token(t);
611 halfword the_toks (void)
613 register halfword Result;
619 scan_something_internal(tok_val, false);
621 if (cur_val_level >= ident_val)
626 if (cur_val_level == ident_val)
627 store_new_token(cs_token_flag + cur_val);
628 else if (cur_val != 0)
634 fast_store_new_token(info(r));
643 old_setting = selector;
644 selector = new_string;
647 switch (cur_val_level)
654 print_scaled(cur_val);
660 print_spec(cur_val, "pt");
661 delete_glue_ref(cur_val);
666 print_spec(cur_val, "mu");
667 delete_glue_ref(cur_val);
671 selector = old_setting;
672 Result = str_toks(b);
678 void ins_the_toks (void)
680 link(garbage) = the_toks();
681 begin_token_list(link(temp_head), 4);
684 void conv_toks (void)
688 small_number savescannerstatus;
696 case roman_numeral_code:
702 savescannerstatus = scanner_status;
705 scanner_status = savescannerstatus;
718 old_setting = selector;
719 selector = new_string;
728 case roman_numeral_code:
729 print_roman_int(cur_val);
744 print(font_name[cur_val]);
746 if (font_size[cur_val] != font_dsize[cur_val])
748 print_string(" at ");
749 print_scaled(font_size[cur_val]);
759 selector = old_setting;
760 link(garbage) = str_toks(b);
761 begin_token_list(link(temp_head), 4);
764 halfword scan_toks_(boolean macrodef, boolean xpand)
766 register halfword Result;
775 scanner_status = defining;
777 scanner_status = absorbing;
779 warning_index = cur_cs;
780 def_ref = get_avail();
781 token_ref_count(def_ref) = 0;
792 if (cur_tok < right_brace_limit)
795 if (cur_cmd == mac_param)
797 s = match_token + cur_chr;
800 if (cur_cmd == left_brace)
803 store_new_token(cur_tok);
804 store_new_token(end_match_token);
808 if (t == zero_token + 9)
810 print_err("You already have nine parameters");
811 help1("I'm going to ignore the # sign you just used.");
820 print_err("Parameters must be numbered consecutively");
821 help2("I've inserted the digit you should have used after the #.",
822 "Type `1' to delete what you did use.");
829 store_new_token(cur_tok);
833 store_new_token(end_match_token);
835 if (cur_cmd == right_brace)
837 print_err("Missing { inserted");
839 help2("Where was the left brace? You said something like `\\def\\a}',",
840 "which I'm going to interpret as `\\def\\a{}'.");
861 if (cur_cmd <= max_command)
872 if (link(temp_head) != 0)
874 link(p) = link(temp_head);
885 if (cur_tok < right_brace_limit)
886 if (cur_cmd < right_brace)
895 else if (cur_cmd == mac_param)
905 if (cur_cmd != mac_param)
906 if ((cur_tok <= zero_token) || (cur_tok > t))
908 print_err("Illegal parameter number in definition of ");
909 sprint_cs(warning_index);
910 help3("You meant to type ## instead of #, right?",
911 "Or maybe a } was forgotten somewhere earlier, and things",
912 "are all screwed up? I'm going to assume that you meant ##.");
917 cur_tok = out_param_token - '0' + cur_chr;
920 store_new_token(cur_tok);
926 store_new_token(hashbrace);
931 /* used only in ITEX.C */
933 void read_toks_(integer n, halfword r)
938 /* small_number m; */
939 int m; /* 95/Jan/7 */
941 scanner_status = defining;
943 def_ref = get_avail();
944 token_ref_count(def_ref) = 0;
946 store_new_token(end_match_token);
948 if ((n < 0) || (n > 15))
954 align_state = 1000000L;
958 begin_file_reading();
959 cur_input.name_field = m + 1;
961 if (read_open[m] == closed)
962 if (interaction > nonstop_mode)
980 fatal_error("*** (cannot \\read from terminal in nonstop modes)");
981 return; // abort_flag set
983 else if (read_open[m] == 1)
984 if (input_ln(read_file[m], false))
988 (void) a_close(read_file[m]);
993 if (!input_ln(read_file[m], true))
995 (void) a_close(read_file[m]);
998 if (align_state != 1000000L)
1001 print_err("File ended within ");
1003 help1("This \\read has unbalanced braces.");
1004 align_state = 1000000L;
1010 cur_input.limit_field = last;
1012 if ((end_line_char < 0) || (end_line_char > 255))
1013 decr(cur_input.limit_field);
1015 buffer[cur_input.limit_field] = end_line_char;
1017 first = cur_input.limit_field + 1;
1018 cur_input.loc_field = cur_input.start_field;
1019 cur_input.state_field = new_line;
1028 if (align_state < 1000000L)
1034 while(!(cur_tok == 0));
1036 align_state = 1000000L;
1040 store_new_token(cur_tok);
1045 while(!(align_state == 1000000L));
1048 scanner_status = normal;
1052 void pass_text (void)
1055 small_number savescannerstatus;
1057 savescannerstatus = scanner_status;
1058 scanner_status = skipping;
1066 if (cur_cmd == fi_or_else)
1074 else if (cur_cmd == if_test)
1078 scanner_status = savescannerstatus;
1081 void change_if_limit_(small_number l, halfword p)
1096 return; // abort_flag set
1109 /* called from tex2.c */
1111 void conditional (void)
1117 small_number savescannerstatus;
1118 halfword savecondptr;
1119 small_number thisif;
1122 p = get_node(if_node_size);
1125 subtype(p) = cur_if;
1126 if_line_field(p) = if_line;
1133 savecondptr = cond_ptr;
1144 if (cur_cmd == relax)
1145 if (cur_chr == no_expand_flag)
1147 cur_cmd = active_char;
1148 cur_chr = cur_tok - cs_token_flag - active_base;
1152 if ((cur_cmd > active_char) || (cur_chr > 255))
1165 if (cur_cmd == relax)
1166 if (cur_chr == no_expand_flag)
1168 cur_cmd = active_char;
1169 cur_chr = cur_tok - cs_token_flag - active_base;
1173 if ((cur_cmd > active_char) || (cur_chr > 255))
1179 if (thisif == if_char_code)
1189 if (thisif == if_int_code)
1192 scan_dimen(false, false, false);
1200 while(!(cur_cmd != spacer));
1202 if ((cur_tok >= other_token + '<') && (cur_tok <= other_token + '>'))
1203 r = cur_tok - other_token;
1206 print_err("Missing = inserted for ");
1207 print_cmd_chr(if_test, thisif);
1208 help1("I was expecting to see `<', `=', or `>'. Didn't.");
1213 if (thisif == if_int_code)
1216 scan_dimen(false, false, false);
1241 b = (abs(mode) == 1);
1245 b = (abs(mode) == 102);
1249 b = (abs(mode) == 203);
1260 scan_eight_bit_int();
1263 if (thisif == if_void_code)
1267 else if (thisif == if_hbox_code)
1268 b = (type(p) == hlist_node);
1270 b = (type(p) == vlist_node);
1276 savescannerstatus = scanner_status;
1286 else if (cur_cmd < call)
1297 while ((p != 0) && (q != 0))
1298 if (info(p) != info(q))
1306 b = ((p == 0) && (q == 0));
1310 scanner_status = savescannerstatus;
1316 scan_four_bit_int();
1317 b = (read_open[cur_val] == closed);
1334 if (tracing_commands > 1)
1337 print_string("{case ");
1340 end_diagnostic(false);
1347 if (cond_ptr == savecondptr)
1348 if (cur_chr == or_code)
1352 else if (cur_chr == fi_code)
1355 if_line = if_line_field(p);
1356 cur_if = subtype(p);
1359 free_node(p, if_node_size);
1363 change_if_limit(or_code, savecondptr);
1369 if (tracing_commands > 1)
1374 print_string("{true}");
1376 print_string("{false}");
1378 end_diagnostic(false);
1381 if (b) /* b may be used without ... */
1383 change_if_limit(else_code, savecondptr);
1391 if (cond_ptr == savecondptr)
1393 if (cur_chr != or_code)
1396 print_err("Extra ");
1398 help1("I'm ignoring this; it doesn't match any \\if.");
1401 else if (cur_chr == fi_code)
1404 if_line = if_line_field(p);
1405 cur_if = subtype(p);
1408 free_node(p, if_node_size);
1413 if (cur_chr == fi_code)
1416 if_line = if_line_field(p);
1417 cur_if = subtype(p);
1420 free_node(p, if_node_size);
1426 void begin_name (void)
1431 /* This gathers up a file name and makes a string of it */
1432 /* Also tries to break it into `file area' `file name' and `file extension' */
1433 /* Used by scan_file_name and prompt_file_name */
1434 /* We assume tilde has been converted to pseudo_tilde and space to pseudo_space */
1435 /* returns false if it is given a space character - end of file name */
1437 boolean more_name_(ASCII_code c)
1439 if (quoted_file_name == 0 && c == ' ')
1441 else if (quoted_file_name != 0 && c == '"')
1443 quoted_file_name = 0; /* catch next space character */
1444 return true; /* accept ending quote, but throw away */
1451 if ((c == '/' || c == '\\' || c == ':'))
1453 area_delimiter = cur_length;
1457 ext_delimiter = cur_length;
1462 /******************************** 2000 August 15th start ***********************/
1464 // The following code is to save string space used by TeX for filenames
1465 // Not really critical in a system that has dynamic memory allocation
1466 // And may slow it down slightly - although this linear search only
1467 // occurs when opening a file, which is somewhat slow inany case...
1469 // see if string from str_pool[start] to str_pool[end]
1470 // occurs elsewhere in string pool - returns string number
1471 // returns -1 if not found in string pool 2000 Aug 15
1473 int find_string (int start, int end)
1475 int k, nlen = end - start;
1480 sprintf(log_line, "\nLOOKING for string (str_ptr %d nlen %d) ", str_ptr, end - start);
1481 s = log_line + strlen(log_line);
1482 strncpy(s, (const char *) str_pool + start, nlen);
1483 strcpy(s + nlen, "");
1484 show_line(log_line, 0);
1487 // avoid problems with(cur_name == flushablestring)by going only up to str_ptr-1
1488 // code in new_font (tex8.c) will take care of reuse of font name already
1489 for (k = 0; k < str_ptr - 1; k++)
1491 if (length(k) != nlen)
1494 if (strncmp((const char *) str_pool + start, (const char *) str_pool + str_start[k], nlen) == 0)
1498 sprintf(log_line, "\nFOUND the string %d (%d) ", k, str_start[k+1]-str_start[k]);
1499 s = log_line + strlen(log_line);
1500 strncpy(s, (const char *)str_pool + start, nlen);
1501 strcpy(s+nlen, "\n");
1502 show_line(log_line, 0);
1504 return k; // return number of matching string
1510 sprintf(log_line, "\nNOT FOUND string ");
1511 s = log_line + strlen(log_line);
1512 strncpy(s, (const char*)str_pool + start, nlen);
1513 strcpy(s + nlen, "\n");
1514 show_line(log_line, 0);
1517 return -1; // no match found
1520 // snip out the string from str_pool[start] to str_pool[end]
1521 // and move everything above it down 2000 Aug 15
1523 void remove_string (int start, int end)
1525 int nlen = pool_ptr - end; // how many bytes to move down
1528 // int trace_flag=1; // debugging only
1529 // if (end < start) show_line("\nEND < START", 1);
1530 // if (pool_ptr < end) show_line("\nPOOLPTR < END", 1);
1534 int n = end - start;
1535 sprintf(log_line, "\nSTRIPPING OUT %d %d ", n, nlen);
1536 s = log_line + strlen(log_line);
1537 strncpy(s, (const char *)str_pool + start, n);
1538 strcpy(s + n, "\n");
1539 show_line(log_line, 0);
1543 memcpy(str_pool + start, str_pool + end, nlen);
1545 pool_ptr = start + nlen; // poolprt - (end-start);
1548 void show_string (int k)
1550 int nlen = length(k);
1553 sprintf(log_line, "\nSTRING %5d (%3d) %5d--%5d ",
1554 k, nlen, str_start[k], str_start[k+1]);
1555 s = log_line + strlen(log_line);
1556 strncpy(s, (const char *)str_pool + str_start[k], nlen);
1557 strcpy(s + nlen, "");
1558 show_line(log_line, 0);
1561 void show_all_strings (void)
1565 for (k = 0; k < str_ptr; k++)
1569 /********************************** 2000 August 15 end ****************************/
1571 void end_name (void)
1573 #ifdef ALLOCATESTRING
1574 if (str_ptr + 3 > current_max_strings)
1575 str_start = realloc_str_start(increment_max_strings + 3);
1577 if (str_ptr + 3 > current_max_strings)
1579 overflow("number of strings", current_max_strings - init_str_ptr);
1580 return; // abort_flag set
1583 if (str_ptr + 3 > max_strings)
1585 overflow("number of strings", max_strings - init_str_ptr);
1586 return; // abort_flag set
1590 if (area_delimiter == 0) // no area delimiter ':' '/' or '\' found
1591 cur_area = 335; // "" default area
1594 if (save_strings_flag && (cur_area = find_string(str_start[str_ptr], str_start[str_ptr] + area_delimiter)) > 0)
1596 remove_string(str_start[str_ptr], str_start[str_ptr] + area_delimiter);
1597 area_delimiter = 0; // area_delimiter - area_delimiter;
1599 if (ext_delimiter != 0)
1600 ext_delimiter = ext_delimiter - area_delimiter;
1602 // str_start[str_ptr + 1]= str_start[str_ptr]+ area_delimiter; // test only
1603 // incr(str_ptr); // test only
1605 else // carve out string for "cur_area"
1608 str_start[str_ptr + 1] = str_start[str_ptr] + area_delimiter;
1613 if (ext_delimiter == 0) // no extension delimiter '.' found
1615 cur_ext = 335; // "" default extension
1617 if (save_strings_flag && (cur_name = find_string(str_start[str_ptr], pool_ptr)) > 0)
1619 remove_string(str_start[str_ptr], pool_ptr);
1620 // (void) make_string(); // test only
1622 else // Make string from str_start[str_ptr]to pool_ptr
1623 cur_name = make_string();
1625 else // did find an extension
1627 if (save_strings_flag &&
1628 (cur_name = find_string(str_start[str_ptr], str_start[str_ptr] + ext_delimiter - area_delimiter-1)) > 0)
1630 remove_string(str_start[str_ptr], str_start[str_ptr] + ext_delimiter - area_delimiter - 1);
1631 // str_start[str_ptr + 1]= str_start[str_ptr]+ ext_delimiter - area_delimiter - 1; // test only
1632 // incr(str_ptr); // test only
1634 else // carve out string for "cur_name"
1637 str_start[str_ptr + 1]= str_start[str_ptr]+ ext_delimiter - area_delimiter - 1;
1641 if (save_strings_flag && (cur_ext = find_string(str_start[str_ptr], pool_ptr)) > 0)
1643 remove_string(str_start[str_ptr], pool_ptr);
1644 // (void) make_string(); // test only
1646 else // Make string from str_start[str_ptr]to pool_ptr
1647 cur_ext = make_string();
1651 /* n current name, a current area, e current extension */
1652 /* result in name_of_file[] */
1654 void pack_file_name_(str_number n, str_number a, str_number e)
1662 for (j = str_start[a]; j <= str_start[a + 1] - 1; j++)
1668 name_of_file[k] = xchr[c];
1671 for (j = str_start[n]; j <= str_start[n + 1] - 1; j++)
1677 name_of_file[k] = xchr[c];
1680 for (j = str_start[e]; j <= str_start[e + 1] - 1; j++)
1686 name_of_file[k] = xchr[c];
1692 name_length = PATH_MAX - 1;
1694 /* pad it out with spaces ... what for ? in case we modify and forget ? */
1695 for (k = name_length + 1; k <= PATH_MAX; k++)
1696 name_of_file[k] = ' ';
1698 name_of_file[PATH_MAX] = '\0'; /* paranoia 94/Mar/24 */
1701 name_of_file [name_length+1] = '\0';
1705 sprintf(log_line, " pack_file_name `%s' (%d) ", name_of_file + 1, name_length); /* debugging */
1706 show_line(log_line, 0);
1709 name_of_file [name_length + 1] = ' ';
1712 /* Called only from two places tex9.c for format name - specified and default */
1713 /* for specified format name args are 0, a, b name in buffer[a] --- buffer[b] */
1714 /* for default args are format_default_length-4, 1, 0 */
1716 void pack_buffered_name_(small_number n, integer a, integer b)
1722 if (n + b - a + 5 > PATH_MAX)
1723 b = a + PATH_MAX - n - 5;
1727 /* This loop kicks in when we want the default format name */
1728 for (j = 1; j <= n; j++)
1730 c = xord[TEX_format_default[j]];
1734 name_of_file[k] = xchr[c];
1736 /* This loop kicks in when we want a specififed format name */
1737 for (j = a; j <= b; j++)
1743 name_of_file[k] = xchr[c];
1746 /* This adds the extension from the default format name */
1747 for (j = format_default_length - 3; j <= format_default_length; j++)
1749 c = xord[TEX_format_default[j]];
1753 name_of_file[k] = xchr[c];
1759 name_length = PATH_MAX - 1;
1761 /* pad it out with spaces ... what for ? */
1762 for (k = name_length + 1; k <= PATH_MAX; k++)
1763 name_of_file[k]= ' ';
1765 name_of_file[PATH_MAX] = '\0'; /* paranoia 94/Mar/24 */
1768 str_number make_name_string (void)
1772 #ifdef ALLOCATESTRING
1773 if (pool_ptr + name_length > current_pool_size)
1774 str_pool = realloc_str_pool(increment_pool_size + name_length);
1776 if (str_ptr == current_max_strings)
1777 str_start = realloc_str_start(increment_max_strings);
1779 if ((pool_ptr + name_length > current_pool_size) || (str_ptr == current_max_strings) || (cur_length > 0))
1781 if ((pool_ptr + name_length > pool_size) || (str_ptr == max_strings) || (cur_length > 0))
1788 for (k = 1; k <= name_length; k++)
1789 append_char(xord[name_of_file[k]]);
1791 return make_string();
1795 str_number a_make_name_string_(alpha_file * f)
1797 return make_name_string();
1800 str_number b_make_name_string_(byte_file * f)
1802 return make_name_string();
1805 str_number w_make_name_string_(word_file * f)
1807 return make_name_string();
1810 /* Used by start_input to scan file name on command line */
1811 /* Also in tex8.c new_font_, open_or_close_in, and do_extension */
1813 void scan_file_name (void)
1815 name_in_progress = true;
1822 while (!(cur_cmd != spacer));
1824 quoted_file_name = false;
1826 if (allow_quoted_names)
1830 quoted_file_name = 1;
1837 if ((cur_cmd > other_char) || (cur_chr > 255))
1843 if (!more_name(cur_chr)) /* up to next white space */
1851 name_in_progress = false;
1853 /* argument is string .fmt, .log, or .dvi */
1855 void pack_job_name_(str_number s)
1857 cur_area = 335; /* "" */
1859 cur_name = job_name;
1860 pack_file_name(cur_name, cur_area, cur_ext);
1863 /**********************************************************************/
1864 /* show TEXINPUTS=... or format specific */
1865 /* only show this if name was not fully qualified ? */
1866 void show_tex_inputs (void)
1870 s = "TEXINPUTS"; /* default */
1872 if (format_specific)
1874 s = format_name; /* try specific */
1876 if (grabenv(s) == NULL)
1877 s = "TEXINPUTS"; /* no format specific */
1880 if (grabenv(s) == NULL)
1881 s = "TEXINPUT"; /* 94/May/19 */
1905 /**********************************************************************/
1907 /* s - what can't be found, e - default */
1908 void prompt_file_name_(char * s, str_number e)
1912 if (interaction == scroll_mode);
1914 if (!strcmp("input file name", s))
1915 print_err("I can't find file `");
1917 print_err("I can't write on file `");
1919 print_file_name(cur_name, cur_area, cur_ext);
1922 if (!strcmp("input file name", s))
1924 if (cur_area == 335) /* "" only if path not specified */
1926 if (show_texinput_flag)
1931 if (e == 785) /* .tex */
1934 print_nl("Please type another ");
1937 if (interaction < 2)
1939 fatal_error("*** (job aborted, file error in nonstop mode)");
1940 return; // abort_flag set
1945 show_line(" (or ^z to exit)", 0);
1947 show_line(" (or Ctrl-Z to exit)", 0);
1951 term_input(": ", 0);
1953 /* should we deal with tilde and space in file name here ??? */
1958 while ((buffer[k] == ' ') && (k < last))
1960 /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
1961 quoted_file_name = 0; /* 98/March/15 */
1963 if (allow_quoted_names && k < last) /* check whether quoted name */
1965 if (buffer[k]== '"')
1967 quoted_file_name = 1;
1976 /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
1977 /* convert tilde '~' to pseudo tilde */
1978 if (pseudo_tilde != 0 && buffer[k]== '~')
1979 buffer[k] = pseudo_tilde;
1980 /* convert space ' ' to pseudo space */
1981 if (pseudo_space != 0 && buffer[k]== ' ')
1982 buffer[k] = pseudo_space;
1983 /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
1984 if (!more_name(buffer[k]))
1993 if (cur_ext == 335) /* "" */
1994 cur_ext = e; /* use default extension */
1996 pack_file_name(cur_name, cur_area, cur_ext);
1999 void open_log_file (void)
2006 old_setting = selector;
2011 pack_job_name(".log");
2013 while (!a_open_out(log_file))
2015 selector = term_only;
2016 prompt_file_name("transcript file name", ".log");
2019 texmf_log_name = a_make_name_string(log_file);
2020 selector = log_only;
2027 strcat(log_line, "\n");
2028 (void) fputs(log_line, log_file);
2029 stampcopy(log_line);
2030 strcat(log_line, "\n");
2031 (void) fputs(log_line, log_file);
2034 (void) fputs(tex_version, log_file);
2035 (void) fprintf(log_file, " (%s %s)", application, yandyversion);
2037 if (format_ident > 0)
2038 slow_print(format_ident);
2048 months = " JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC";
2050 for (k = 3 * month - 2; k <= 3 * month; k++)
2051 (void) putc(months[k], log_file);
2061 print_two(tex_time / 60);
2063 print_two(tex_time % 60);
2066 input_stack[input_ptr] = cur_input;
2068 l = input_stack[0].limit_field;
2070 if (buffer[l] == end_line_char)
2073 for (k = 1; k <= l; k++)
2080 if (format_file != NULL)
2082 fprintf(log_file, "(%s)\n", format_file);
2088 selector = old_setting + 2;
2091 /**************************** start of insertion 98/Feb/7 **************/
2092 // Attempt to deal with foo.bar.tex given as foo.bar on command line
2093 // Makes copy of job_name with extension
2095 void more_name_copy(ASCII_code c)
2097 #ifdef ALLOCATESTRING
2098 if (pool_ptr + 1 > current_pool_size)
2099 str_pool = realloc_str_pool (increment_pool_size);
2101 if (pool_ptr + 1 > current_pool_size)
2103 overflow("pool size", current_pool_size - init_pool_ptr);
2107 if (pool_ptr + 1 > pool_size)
2109 overflow("pool size", pool_size - init_pool_ptr);
2114 str_pool[pool_ptr] = c;
2118 int end_name_copy(void)
2120 #ifdef ALLOCATESTRING
2121 if (str_ptr + 1 > current_max_strings)
2122 str_start = realloc_str_start(increment_max_strings + 1);
2124 if (str_ptr + 1 > current_max_strings)
2126 overflow("number of strings", current_max_strings - init_str_ptr);
2130 if (str_ptr + 1 > max_strings)
2132 overflow("number of strings", max_strings - init_str_ptr);
2137 return make_string();
2140 void job_name_append (void)
2144 k = str_start[job_name];
2145 n = str_start[job_name + 1];
2148 more_name_copy(str_pool[k++]);
2150 k = str_start[cur_ext];
2151 n = str_start[cur_ext + 1];
2154 more_name_copy(str_pool[k++]);
2156 job_name = end_name_copy();
2159 /**************************** end of insertion 98/Feb/7 **************/
2161 void start_input(void)
2163 boolean added_extension = false;
2166 pack_file_name(cur_name, cur_area, cur_ext);
2170 added_extension = false;
2171 begin_file_reading();
2173 if ((cur_ext != 335) && a_open_in(input_file[cur_input.index_field], TEXINPUTPATH))
2176 if ((cur_ext != 785) && (name_length + 5 < PATH_MAX))
2178 name_of_file[name_length + 1] = '.';
2179 name_of_file[name_length + 2] = 't';
2180 name_of_file[name_length + 3] = 'e';
2181 name_of_file[name_length + 4] = 'x';
2182 name_of_file[name_length + 5] = ' ';
2183 name_length = name_length + 4;
2185 added_extension = true;
2187 if (a_open_in(input_file[cur_input.index_field], TEXINPUTPATH))
2190 name_length = name_length - 4;
2191 name_of_file[name_length + 1] = ' ';
2192 added_extension = false;
2195 if ((cur_ext == 335) && a_open_in(input_file[cur_input.index_field], TEXINPUTPATH))
2199 prompt_file_name("input file name", ".tex");
2203 cur_input.name_field = a_make_name_string(input_file[cur_input.index_field]);
2207 job_name = cur_name;
2209 if (cur_ext != 335 && added_extension)
2215 if (term_offset + length(cur_input.name_field) > max_print_line - 2)
2217 else if ((term_offset > 0) || (file_offset > 0))
2223 if (open_parens > max_open_parens)
2224 max_open_parens = open_parens;
2226 slow_print(cur_input.name_field);
2232 cur_input.state_field = new_line;
2237 if (input_ln(input_file[cur_input.index_field], false));
2241 if ((end_line_char < 0) || (end_line_char > 255))
2242 decr(cur_input.limit_field);
2244 buffer[cur_input.limit_field] = end_line_char;
2246 first = cur_input.limit_field + 1;
2247 cur_input.loc_field = cur_input.start_field;
2251 /**********************************************************************/
2252 /* show TEXFONTS=... or format specific */
2253 /* only show this if name was not fully qualified ? */
2254 void show_tex_fonts (void)
2256 char *s, *t, *v, *u;
2261 if (encoding_specific)
2263 u = encoding_name; /* try specific */
2265 if ((t = grabenv(u)) != NULL)
2267 if (strchr(t, ':') != NULL && sscanf(t, "%d", &n) == 0)
2269 s = u; /* look here instead of TEXFONTS=... */
2296 internal_font_number read_font_info_(halfword u, str_number nom, str_number aire, scaled s)
2299 boolean file_opened;
2300 halfword lf, lh, nw, nh, nd, ni, nl, nk, ne, np;
2302 internal_font_number f;
2303 internal_font_number g;
2304 eight_bits a, b, c, d;
2314 file_opened = false;
2315 pack_file_name(nom, aire, 805); /* .tfm */
2317 if (!b_open_in(tfm_file))
2326 tfm_temp = getc(tfm_file);
2328 tfm_temp = getc(tfm_file);
2330 tfm_temp = getc(tfm_file);
2333 if ((bc > ec + 1) || (ec > 255))
2342 tfm_temp = getc(tfm_file);
2344 tfm_temp = getc(tfm_file);
2346 tfm_temp = getc(tfm_file);
2348 tfm_temp = getc(tfm_file);
2350 tfm_temp = getc(tfm_file);
2352 tfm_temp = getc(tfm_file);
2354 tfm_temp = getc(tfm_file);
2356 tfm_temp = getc(tfm_file);
2359 if (lf != 6 + lh + (ec - bc + 1) + nw + nh + nd + ni + nl + nk + ne + np)
2362 if ((nw == 0) || (nh == 0) || (nd == 0) || (ni == 0))
2372 if ((fmem_ptr + lf > current_font_mem_size))
2373 font_info = realloc_font_info (increment_font_mem_size + lf);
2375 if ((font_ptr == font_max) || (fmem_ptr + lf > current_font_mem_size))
2377 if ((font_ptr == font_max) || (fmem_ptr + lf > font_mem_size))
2382 sprintf(log_line, "font_ptr %d font_max %d fmem_ptr %d lf %d font_mem_size %d\n",
2383 font_ptr, font_max, fmem_ptr, lf, font_mem_size);
2384 show_line(log_line, 0);
2390 print_file_name(nom, aire, 335); /* "" */
2394 print_string(" at ");
2398 else if (s != -1000)
2400 print_string(" scaled ");
2401 print_int(- (integer) s);
2404 print_string(" not loaded: Not enough room left");
2405 help4("I'm afraid I won't be able to make use of this font,",
2406 "because my memory for character-size data is too small.",
2407 "If you're really stuck, ask a wizard to enlarge me.",
2408 "Or maybe try `I\\font<same font id>=<name of loaded font>'.");
2414 char_base[f] = fmem_ptr - bc;
2415 width_base[f] = char_base[f] + ec + 1;
2416 height_base[f] = width_base[f] + nw;
2417 depth_base[f] = height_base[f] + nh;
2418 italic_base[f] = depth_base[f] + nd;
2419 lig_kern_base[f] = italic_base[f] + ni;
2420 kern_base[f] = lig_kern_base[f] + nl - 256 * (128);
2421 exten_base[f] = kern_base[f] + 256 * (128) + nk;
2422 param_base[f] = exten_base[f] + ne;
2428 store_four_quarters(font_check[f]);
2429 tfm_temp = getc(tfm_file);
2431 tfm_temp = getc(tfm_file);
2432 z = z * 256 + tfm_temp;
2433 tfm_temp = getc(tfm_file);
2434 z =(z * 16) + (tfm_temp / 16);
2441 tfm_temp = getc(tfm_file);
2442 tfm_temp = getc(tfm_file);
2443 tfm_temp = getc(tfm_file);
2444 tfm_temp = getc(tfm_file);
2454 z = xn_over_d(z, - (integer) s, 1000);
2459 for (k = fmem_ptr; k <= width_base[f] - 1; k++)
2461 store_four_quarters(font_info[k].qqqq);
2463 if ((a >= nw) || (b / 16 >= nh) || (b % 16 >= nd) || (c / 4 >= ni))
2481 if ((d < bc) || (d > ec))
2485 while (d < k + bc - fmem_ptr)
2487 qw = char_info(f, d);
2489 if (char_tag(qw) != list_tag)
2495 if (d == k + bc - fmem_ptr)
2510 while (z >= 8388608L) /* 2^23 */
2513 alpha = alpha + alpha;
2516 beta = (char) (256 / alpha);
2520 for (k = width_base[f]; k <= lig_kern_base[f] - 1; k++)
2522 tfm_temp = getc(tfm_file);
2524 tfm_temp = getc(tfm_file);
2526 tfm_temp = getc(tfm_file);
2528 tfm_temp = getc(tfm_file);
2530 sw = (((((d * z) / 256) + (c * z)) / 256) + (b * z)) / beta;
2533 font_info[k].cint = sw;
2535 font_info[k].cint = sw - alpha;
2540 if (font_info[width_base[f]].cint != 0)
2543 if (font_info[height_base[f]].cint != 0)
2546 if (font_info[depth_base[f]].cint != 0)
2549 if (font_info[italic_base[f]].cint != 0)
2553 bch_label = 32767; /* '77777 */
2558 for (k = lig_kern_base[f]; k <= kern_base[f] + 256 * (128) - 1; k++)
2560 store_four_quarters(font_info[k].qqqq);
2564 if (256 * c + d >= nl)
2565 goto lab11; /* error in TFM, abort */
2568 if (k == lig_kern_base[f])
2576 if ((b < bc) || (b > ec)) /* check-existence(b) */
2577 goto lab11; /* error in TFM, abort */
2580 qw = font_info[char_base[f] + b].qqqq;
2583 goto lab11; /* error in TFM, abort */
2589 if ((d < bc) || (d > ec)) /* check-existence(d) */
2590 goto lab11; /* error in TFM, abort */
2593 qw = font_info[char_base[f] + d].qqqq;
2596 goto lab11; /* error in TFM, abort */
2598 else if (256 * (c - 128) + d >= nk)
2599 goto lab11; /* error in TFM, abort */
2602 if (k - lig_kern_base[f] + a + 1 >= nl)
2603 goto lab11; /* error in TFM, abort */
2608 bch_label = 256 * c + d;
2611 for (k = kern_base[f] + 256 * (128); k <= exten_base[f] - 1; k++)
2613 tfm_temp = getc(tfm_file);
2615 tfm_temp = getc(tfm_file);
2617 tfm_temp = getc(tfm_file);
2619 tfm_temp = getc(tfm_file);
2621 sw = (((((d * z) / 256) + (c * z)) / 256) + (b * z)) / beta;
2624 font_info[k].cint = sw;
2626 font_info[k].cint = sw - alpha;
2630 /* read extensible character recipes */
2631 for (k = exten_base[f]; k <= param_base[f] - 1; k++)
2633 store_four_quarters(font_info[k].qqqq);
2638 if ((a < bc) || (a > ec))
2642 qw = font_info[char_base[f] + a].qqqq;
2651 if ((b < bc) || (b > ec))
2655 qw = font_info[char_base[f] + b].qqqq;
2664 if ((c < bc) || (c > ec))
2668 qw = font_info[char_base[f] + c].qqqq;
2676 if ((d < bc) || (d > ec))
2680 qw = font_info[char_base[f] + d].qqqq;
2688 for (k = 1; k <= np; k++)
2691 tfm_temp = getc(tfm_file);
2697 tfm_temp = getc(tfm_file);
2698 sw = sw * 256 + tfm_temp;
2699 tfm_temp = getc(tfm_file);
2700 sw = sw * 256 + tfm_temp;
2701 tfm_temp = getc(tfm_file);
2702 font_info[param_base[f]].cint = (sw * 16) + (tfm_temp / 16);
2706 tfm_temp = getc(tfm_file);
2708 tfm_temp = getc(tfm_file);
2710 tfm_temp = getc(tfm_file);
2712 tfm_temp = getc(tfm_file);
2714 sw = (((((d * z) / 256) + (c * z)) / 256) + (b * z)) / beta;
2717 font_info[param_base[f] + k - 1].cint = sw;
2719 font_info[param_base[f] + k - 1].cint = sw - alpha;
2726 for (k = np + 1; k <= 7; k++)
2727 font_info[param_base[f] + k - 1].cint = 0;
2731 font_params[f] = np;
2735 hyphen_char[f] = default_hyphen_char;
2736 skew_char[f] = default_skew_char;
2739 bchar_label[f] = bch_label + lig_kern_base[f];
2741 bchar_label[f] = non_address;
2743 font_bchar[f] = bchar;
2744 font_false_bchar[f] = bchar;
2749 qw = font_info[char_base[f] + bchar].qqqq;
2752 font_false_bchar[f] = 256;
2756 font_area[f] = aire;
2760 char_base[f] = char_base[f];
2761 width_base[f] = width_base[f];
2762 lig_kern_base[f] = lig_kern_base[f];
2763 kern_base[f] = kern_base[f];
2764 exten_base[f] = exten_base[f];
2765 decr(param_base[f]);
2766 fmem_ptr = fmem_ptr + lf;
2775 print_file_name(nom, aire, 335);
2779 print_string(" at ");
2783 else if (s != -1000)
2785 print_string("scaled");
2786 print_int(- (integer) s);
2790 print_string(" not loadable: Bad metric (TFM) file");
2792 print_string(" not loadable: Metric (TFM) file not found");
2796 if (show_texinput_flag)
2800 help5("I wasn't able to read the size data for this font,",
2801 "so I will ignore the font specification.",
2802 "[Wizards can fix TFM files using TFtoPL/PLtoTF.]",
2803 "You might try inserting a different font spec;",
2804 "e.g., type `I\\font<same font id>=<substitute font name>'.");