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 * unity + 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 save_scanner_status;
696 case roman_numeral_code:
702 save_scanner_status = scanner_status;
705 scanner_status = save_scanner_status;
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)
974 fatal_error("*** (cannot \\read from terminal in nonstop modes)");
975 return; // abort_flag set
977 else if (read_open[m] == 1)
978 if (input_ln(read_file[m], false))
982 (void) a_close(read_file[m]);
987 if (!input_ln(read_file[m], true))
989 (void) a_close(read_file[m]);
992 if (align_state != 1000000L)
995 print_err("File ended within ");
997 help1("This \\read has unbalanced braces.");
998 align_state = 1000000L;
1006 if (end_line_char_inactive())
1009 buffer[limit] = end_line_char;
1022 if (align_state < 1000000L)
1028 while (!(cur_tok == 0));
1030 align_state = 1000000L;
1034 store_new_token(cur_tok);
1039 while (!(align_state == 1000000L));
1042 scanner_status = normal;
1046 void pass_text (void)
1049 small_number save_scanner_status;
1051 save_scanner_status = scanner_status;
1052 scanner_status = skipping;
1060 if (cur_cmd == fi_or_else)
1068 else if (cur_cmd == if_test)
1072 scanner_status = save_scanner_status;
1075 void change_if_limit_(small_number l, halfword p)
1090 return; // abort_flag set
1103 /* called from tex2.c */
1105 void conditional (void)
1111 small_number save_scanner_status;
1112 halfword savecondptr;
1113 small_number thisif;
1116 p = get_node(if_node_size);
1119 subtype(p) = cur_if;
1120 if_line_field(p) = if_line;
1127 savecondptr = cond_ptr;
1138 if (cur_cmd == relax)
1139 if (cur_chr == no_expand_flag)
1141 cur_cmd = active_char;
1142 cur_chr = cur_tok - cs_token_flag - active_base;
1146 if ((cur_cmd > active_char) || (cur_chr > 255))
1159 if (cur_cmd == relax)
1160 if (cur_chr == no_expand_flag)
1162 cur_cmd = active_char;
1163 cur_chr = cur_tok - cs_token_flag - active_base;
1167 if ((cur_cmd > active_char) || (cur_chr > 255))
1173 if (thisif == if_char_code)
1183 if (thisif == if_int_code)
1186 scan_dimen(false, false, false);
1194 while (!(cur_cmd != spacer));
1196 if ((cur_tok >= other_token + '<') && (cur_tok <= other_token + '>'))
1197 r = cur_tok - other_token;
1200 print_err("Missing = inserted for ");
1201 print_cmd_chr(if_test, thisif);
1202 help1("I was expecting to see `<', `=', or `>'. Didn't.");
1207 if (thisif == if_int_code)
1210 scan_dimen(false, false, false);
1235 b = (abs(mode) == 1);
1239 b = (abs(mode) == 102);
1243 b = (abs(mode) == 203);
1254 scan_eight_bit_int();
1257 if (thisif == if_void_code)
1261 else if (thisif == if_hbox_code)
1262 b = (type(p) == hlist_node);
1264 b = (type(p) == vlist_node);
1270 save_scanner_status = scanner_status;
1280 else if (cur_cmd < call)
1291 while ((p != 0) && (q != 0))
1292 if (info(p) != info(q))
1300 b = ((p == 0) && (q == 0));
1304 scanner_status = save_scanner_status;
1310 scan_four_bit_int();
1311 b = (read_open[cur_val] == closed);
1328 if (tracing_commands > 1)
1331 print_string("{case ");
1334 end_diagnostic(false);
1341 if (cond_ptr == savecondptr)
1342 if (cur_chr == or_code)
1346 else if (cur_chr == fi_code)
1349 if_line = if_line_field(p);
1350 cur_if = subtype(p);
1353 free_node(p, if_node_size);
1357 change_if_limit(or_code, savecondptr);
1363 if (tracing_commands > 1)
1368 print_string("{true}");
1370 print_string("{false}");
1372 end_diagnostic(false);
1375 if (b) /* b may be used without ... */
1377 change_if_limit(else_code, savecondptr);
1385 if (cond_ptr == savecondptr)
1387 if (cur_chr != or_code)
1390 print_err("Extra ");
1392 help1("I'm ignoring this; it doesn't match any \\if.");
1395 else if (cur_chr == fi_code)
1398 if_line = if_line_field(p);
1399 cur_if = subtype(p);
1402 free_node(p, if_node_size);
1407 if (cur_chr == fi_code)
1410 if_line = if_line_field(p);
1411 cur_if = subtype(p);
1414 free_node(p, if_node_size);
1420 void begin_name (void)
1425 /* This gathers up a file name and makes a string of it */
1426 /* Also tries to break it into `file area' `file name' and `file extension' */
1427 /* Used by scan_file_name and prompt_file_name */
1428 /* We assume tilde has been converted to pseudo_tilde and space to pseudo_space */
1429 /* returns false if it is given a space character - end of file name */
1431 boolean more_name_(ASCII_code c)
1433 if (quoted_file_name == 0 && c == ' ')
1435 else if (quoted_file_name != 0 && c == '"')
1437 quoted_file_name = 0; /* catch next space character */
1438 return true; /* accept ending quote, but throw away */
1445 if ((c == '/' || c == '\\' || c == ':'))
1447 area_delimiter = cur_length;
1451 ext_delimiter = cur_length;
1458 void end_name (void)
1460 #ifdef ALLOCATESTRING
1461 if (str_ptr + 3 > current_max_strings)
1462 str_start = realloc_str_start(increment_max_strings + 3);
1464 if (str_ptr + 3 > current_max_strings)
1466 overflow("number of strings", current_max_strings - init_str_ptr);
1470 if (str_ptr + 3 > max_strings)
1472 overflow("number of strings", max_strings - init_str_ptr);
1477 if (area_delimiter == 0) // no area delimiter ':' '/' or '\' found
1478 cur_area = 335; // "" default area
1482 str_start[str_ptr + 1] = str_start[str_ptr] + area_delimiter;
1486 if (ext_delimiter == 0) // no extension delimiter '.' found
1488 cur_ext = 335; // "" default extension
1489 cur_name = make_string();
1491 else // did find an extension
1494 str_start[str_ptr + 1] = str_start[str_ptr]+ ext_delimiter - area_delimiter - 1;
1496 cur_ext = make_string();
1500 /* n current name, a current area, e current extension */
1501 /* result in name_of_file[] */
1503 void pack_file_name_(str_number n, str_number a, str_number e)
1511 for (j = str_start[a]; j <= str_start[a + 1] - 1; j++)
1516 if (k <= file_name_size)
1517 name_of_file[k] = xchr[c];
1520 for (j = str_start[n]; j <= str_start[n + 1] - 1; j++)
1525 if (k <= file_name_size)
1526 name_of_file[k] = xchr[c];
1529 for (j = str_start[e]; j <= str_start[e + 1] - 1; j++)
1534 if (k <= file_name_size)
1535 name_of_file[k] = xchr[c];
1538 if (k < file_name_size)
1541 name_length = file_name_size - 1;
1543 /* pad it out with spaces ... what for ? in case we modify and forget ? */
1544 for (k = name_length + 1; k <= file_name_size; k++)
1545 name_of_file[k] = ' ';
1547 name_of_file[file_name_size] = '\0'; /* paranoia 94/Mar/24 */
1550 name_of_file [name_length+1] = '\0';
1554 sprintf(log_line, " pack_file_name `%s' (%d) ", name_of_file + 1, name_length); /* debugging */
1555 show_line(log_line, 0);
1558 name_of_file [name_length + 1] = ' ';
1561 /* Called only from two places tex9.c for format name - specified and default */
1562 /* for specified format name args are 0, a, b name in buffer[a] --- buffer[b] */
1563 /* for default args are format_default_length-4, 1, 0 */
1565 void pack_buffered_name_(small_number n, integer a, integer b)
1571 if (n + b - a + 5 > file_name_size)
1572 b = a + file_name_size - n - 5;
1576 /* This loop kicks in when we want the default format name */
1577 for (j = 1; j <= n; j++)
1579 c = xord[TEX_format_default[j]];
1582 if (k <= file_name_size)
1583 name_of_file[k] = xchr[c];
1585 /* This loop kicks in when we want a specififed format name */
1586 for (j = a; j <= b; j++)
1591 if (k <= file_name_size)
1592 name_of_file[k] = xchr[c];
1595 /* This adds the extension from the default format name */
1596 for (j = format_default_length - 3; j <= format_default_length; j++)
1598 c = xord[TEX_format_default[j]];
1601 if (k <= file_name_size)
1602 name_of_file[k] = xchr[c];
1605 if (k < file_name_size)
1608 name_length = file_name_size - 1;
1610 /* pad it out with spaces ... what for ? */
1611 for (k = name_length + 1; k <= file_name_size; k++)
1612 name_of_file[k]= ' ';
1614 name_of_file[file_name_size] = '\0'; /* paranoia 94/Mar/24 */
1617 str_number make_name_string (void)
1621 #ifdef ALLOCATESTRING
1622 if (pool_ptr + name_length > current_pool_size)
1623 str_pool = realloc_str_pool(increment_pool_size + name_length);
1625 if (str_ptr == current_max_strings)
1626 str_start = realloc_str_start(increment_max_strings);
1628 if ((pool_ptr + name_length > current_pool_size) || (str_ptr == current_max_strings) || (cur_length > 0))
1630 if ((pool_ptr + name_length > pool_size) || (str_ptr == max_strings) || (cur_length > 0))
1637 for (k = 1; k <= name_length; k++)
1638 append_char(xord[name_of_file[k]]);
1640 return make_string();
1644 //str_number a_make_name_string_(alpha_file * f)
1645 str_number a_make_name_string_(void)
1647 return make_name_string();
1650 //str_number b_make_name_string_(byte_file * f)
1651 str_number b_make_name_string_(void)
1653 return make_name_string();
1656 //str_number w_make_name_string_(word_file * f)
1657 str_number w_make_name_string_(void)
1659 return make_name_string();
1662 /* Used by start_input to scan file name on command line */
1663 /* Also in tex8.c new_font_, open_or_close_in, and do_extension */
1665 void scan_file_name (void)
1667 name_in_progress = true;
1674 while (!(cur_cmd != spacer));
1676 quoted_file_name = false;
1678 if (allow_quoted_names)
1682 quoted_file_name = 1;
1689 if ((cur_cmd > other_char) || (cur_chr > 255))
1695 if (!more_name(cur_chr)) /* up to next white space */
1703 name_in_progress = false;
1705 /* argument is string .fmt, .log, or .dvi */
1707 void pack_job_name_(str_number s)
1709 cur_area = 335; /* "" */
1711 cur_name = job_name;
1712 pack_file_name(cur_name, cur_area, cur_ext);
1715 /**********************************************************************/
1717 /* s - what can't be found, e - default */
1718 void prompt_file_name_(char * s, str_number e)
1722 if (interaction == scroll_mode);
1724 if (!strcmp("input file name", s))
1725 print_err("I can't find file `");
1727 print_err("I can't write on file `");
1729 print_file_name(cur_name, cur_area, cur_ext);
1732 if (e == 785) /* .tex */
1735 print_nl("Please type another ");
1738 if (interaction < 2)
1740 fatal_error("*** (job aborted, file error in nonstop mode)");
1741 return; // abort_flag set
1746 show_line(" (or ^z to exit)", 0);
1748 show_line(" (or Ctrl-Z to exit)", 0);
1752 /* should we deal with tilde and space in file name here ??? */
1757 while ((buffer[k] == ' ') && (k < last))
1759 /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
1760 quoted_file_name = 0; /* 98/March/15 */
1762 if (allow_quoted_names && k < last) /* check whether quoted name */
1764 if (buffer[k]== '"')
1766 quoted_file_name = 1;
1775 /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
1776 /* convert tilde '~' to pseudo tilde */
1777 if (pseudo_tilde != 0 && buffer[k]== '~')
1778 buffer[k] = pseudo_tilde;
1779 /* convert space ' ' to pseudo space */
1780 if (pseudo_space != 0 && buffer[k]== ' ')
1781 buffer[k] = pseudo_space;
1782 /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
1783 if (!more_name(buffer[k]))
1792 if (cur_ext == 335) /* "" */
1793 cur_ext = e; /* use default extension */
1795 pack_file_name(cur_name, cur_area, cur_ext);
1798 void open_log_file (void)
1805 old_setting = selector;
1810 pack_job_name(".log");
1812 while (!a_open_out(log_file))
1814 selector = term_only;
1815 prompt_file_name("transcript file name", ".log");
1818 texmf_log_name = a_make_name_string(log_file);
1819 selector = log_only;
1826 strcat(log_line, "\n");
1827 (void) fputs(log_line, log_file);
1828 stampcopy(log_line);
1829 strcat(log_line, "\n");
1830 (void) fputs(log_line, log_file);
1833 fprintf(log_file, "%s (%s %s)", tex_version, application, yandyversion);
1835 if (format_ident > 0)
1836 slow_print(format_ident);
1846 months = " JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC";
1848 for (k = 3 * month - 2; k <= 3 * month; k++)
1849 (void) putc(months[k], log_file);
1859 print_two(tex_time / 60);
1861 print_two(tex_time % 60);
1864 input_stack[input_ptr] = cur_input;
1866 l = input_stack[0].limit_field;
1868 if (buffer[l] == end_line_char)
1871 for (k = 1; k <= l; k++)
1878 if (format_file != NULL)
1880 fprintf(log_file, "(%s)\n", format_file);
1886 selector = old_setting + 2;
1889 // Attempt to deal with foo.bar.tex given as foo.bar on command line
1890 // Makes copy of job_name with extension
1892 void more_name_copy(ASCII_code c)
1894 #ifdef ALLOCATESTRING
1895 if (pool_ptr + 1 > current_pool_size)
1896 str_pool = realloc_str_pool (increment_pool_size);
1898 if (pool_ptr + 1 > current_pool_size)
1900 overflow("pool size", current_pool_size - init_pool_ptr);
1904 if (pool_ptr + 1 > pool_size)
1906 overflow("pool size", pool_size - init_pool_ptr);
1911 str_pool[pool_ptr] = c;
1915 int end_name_copy(void)
1917 #ifdef ALLOCATESTRING
1918 if (str_ptr + 1 > current_max_strings)
1919 str_start = realloc_str_start(increment_max_strings + 1);
1921 if (str_ptr + 1 > current_max_strings)
1923 overflow("number of strings", current_max_strings - init_str_ptr);
1927 if (str_ptr + 1 > max_strings)
1929 overflow("number of strings", max_strings - init_str_ptr);
1934 return make_string();
1937 void job_name_append (void)
1941 k = str_start[job_name];
1942 n = str_start[job_name + 1];
1945 more_name_copy(str_pool[k++]);
1947 k = str_start[cur_ext];
1948 n = str_start[cur_ext + 1];
1951 more_name_copy(str_pool[k++]);
1953 job_name = end_name_copy();
1957 void start_input(void)
1960 pack_file_name(cur_name, cur_area, cur_ext);
1964 begin_file_reading();
1966 if (a_open_in(cur_file, TEXINPUTPATH))
1970 prompt_file_name("input file name", ".tex");
1974 cur_input.name_field = a_make_name_string(cur_file);
1978 job_name = cur_name;
1982 if (term_offset + length(cur_input.name_field) > max_print_line - 2)
1984 else if ((term_offset > 0) || (file_offset > 0))
1990 if (open_parens > max_open_parens)
1991 max_open_parens = open_parens;
1993 slow_print(cur_input.name_field);
2004 if (input_ln(cur_file, false));
2008 if (end_line_char_inactive())
2011 buffer[limit] = end_line_char;
2018 internal_font_number read_font_info_(halfword u, str_number nom, str_number aire, scaled s)
2021 boolean file_opened;
2022 halfword lf, lh, nw, nh, nd, ni, nl, nk, ne, np;
2024 internal_font_number f;
2025 internal_font_number g;
2026 eight_bits a, b, c, d;
2036 file_opened = false;
2037 pack_file_name(nom, aire, 805); /* .tfm */
2039 if (!b_open_in(tfm_file))
2048 tfm_temp = getc(tfm_file);
2050 tfm_temp = getc(tfm_file);
2052 tfm_temp = getc(tfm_file);
2055 if ((bc > ec + 1) || (ec > 255))
2064 tfm_temp = getc(tfm_file);
2066 tfm_temp = getc(tfm_file);
2068 tfm_temp = getc(tfm_file);
2070 tfm_temp = getc(tfm_file);
2072 tfm_temp = getc(tfm_file);
2074 tfm_temp = getc(tfm_file);
2076 tfm_temp = getc(tfm_file);
2078 tfm_temp = getc(tfm_file);
2081 if (lf != 6 + lh + (ec - bc + 1) + nw + nh + nd + ni + nl + nk + ne + np)
2084 if ((nw == 0) || (nh == 0) || (nd == 0) || (ni == 0))
2094 if ((fmem_ptr + lf > current_font_mem_size))
2095 font_info = realloc_font_info (increment_font_mem_size + lf);
2097 if ((font_ptr == font_max) || (fmem_ptr + lf > current_font_mem_size))
2099 if ((font_ptr == font_max) || (fmem_ptr + lf > font_mem_size))
2104 sprintf(log_line, "font_ptr %d font_max %d fmem_ptr %d lf %d font_mem_size %d\n",
2105 font_ptr, font_max, fmem_ptr, lf, font_mem_size);
2106 show_line(log_line, 0);
2112 print_file_name(nom, aire, 335); /* "" */
2116 print_string(" at ");
2120 else if (s != -1000)
2122 print_string(" scaled ");
2123 print_int(- (integer) s);
2126 print_string(" not loaded: Not enough room left");
2127 help4("I'm afraid I won't be able to make use of this font,",
2128 "because my memory for character-size data is too small.",
2129 "If you're really stuck, ask a wizard to enlarge me.",
2130 "Or maybe try `I\\font<same font id>=<name of loaded font>'.");
2136 char_base[f] = fmem_ptr - bc;
2137 width_base[f] = char_base[f] + ec + 1;
2138 height_base[f] = width_base[f] + nw;
2139 depth_base[f] = height_base[f] + nh;
2140 italic_base[f] = depth_base[f] + nd;
2141 lig_kern_base[f] = italic_base[f] + ni;
2142 kern_base[f] = lig_kern_base[f] + nl - 256 * (128);
2143 exten_base[f] = kern_base[f] + 256 * (128) + nk;
2144 param_base[f] = exten_base[f] + ne;
2150 store_four_quarters(font_check[f]);
2151 tfm_temp = getc(tfm_file);
2153 tfm_temp = getc(tfm_file);
2154 z = z * 256 + tfm_temp;
2155 tfm_temp = getc(tfm_file);
2156 z =(z * 16) + (tfm_temp / 16);
2163 tfm_temp = getc(tfm_file);
2164 tfm_temp = getc(tfm_file);
2165 tfm_temp = getc(tfm_file);
2166 tfm_temp = getc(tfm_file);
2176 z = xn_over_d(z, - (integer) s, 1000);
2181 for (k = fmem_ptr; k <= width_base[f] - 1; k++)
2183 store_four_quarters(font_info[k].qqqq);
2185 if ((a >= nw) || (b / 16 >= nh) || (b % 16 >= nd) || (c / 4 >= ni))
2203 if ((d < bc) || (d > ec))
2207 while (d < k + bc - fmem_ptr)
2209 qw = char_info(f, d);
2211 if (char_tag(qw) != list_tag)
2217 if (d == k + bc - fmem_ptr)
2232 while (z >= 8388608L) /* 2^23 */
2235 alpha = alpha + alpha;
2238 beta = (char) (256 / alpha);
2242 for (k = width_base[f]; k <= lig_kern_base[f] - 1; k++)
2244 tfm_temp = getc(tfm_file);
2246 tfm_temp = getc(tfm_file);
2248 tfm_temp = getc(tfm_file);
2250 tfm_temp = getc(tfm_file);
2252 sw = (((((d * z) / 256) + (c * z)) / 256) + (b * z)) / beta;
2255 font_info[k].cint = sw;
2257 font_info[k].cint = sw - alpha;
2262 if (font_info[width_base[f]].cint != 0)
2265 if (font_info[height_base[f]].cint != 0)
2268 if (font_info[depth_base[f]].cint != 0)
2271 if (font_info[italic_base[f]].cint != 0)
2275 bch_label = 32767; /* '77777 */
2280 for (k = lig_kern_base[f]; k <= kern_base[f] + 256 * (128) - 1; k++)
2282 store_four_quarters(font_info[k].qqqq);
2286 if (256 * c + d >= nl)
2287 goto lab11; /* error in TFM, abort */
2290 if (k == lig_kern_base[f])
2298 if ((b < bc) || (b > ec)) /* check-existence(b) */
2299 goto lab11; /* error in TFM, abort */
2302 qw = font_info[char_base[f] + b].qqqq;
2305 goto lab11; /* error in TFM, abort */
2311 if ((d < bc) || (d > ec)) /* check-existence(d) */
2312 goto lab11; /* error in TFM, abort */
2315 qw = font_info[char_base[f] + d].qqqq;
2318 goto lab11; /* error in TFM, abort */
2320 else if (256 * (c - 128) + d >= nk)
2321 goto lab11; /* error in TFM, abort */
2324 if (k - lig_kern_base[f] + a + 1 >= nl)
2325 goto lab11; /* error in TFM, abort */
2330 bch_label = 256 * c + d;
2333 for (k = kern_base[f] + 256 * (128); k <= exten_base[f] - 1; k++)
2335 tfm_temp = getc(tfm_file);
2337 tfm_temp = getc(tfm_file);
2339 tfm_temp = getc(tfm_file);
2341 tfm_temp = getc(tfm_file);
2343 sw = (((((d * z) / 256) + (c * z)) / 256) + (b * z)) / beta;
2346 font_info[k].cint = sw;
2348 font_info[k].cint = sw - alpha;
2352 /* read extensible character recipes */
2353 for (k = exten_base[f]; k <= param_base[f] - 1; k++)
2355 store_four_quarters(font_info[k].qqqq);
2360 if ((a < bc) || (a > ec))
2364 qw = font_info[char_base[f] + a].qqqq;
2373 if ((b < bc) || (b > ec))
2377 qw = font_info[char_base[f] + b].qqqq;
2386 if ((c < bc) || (c > ec))
2390 qw = font_info[char_base[f] + c].qqqq;
2398 if ((d < bc) || (d > ec))
2402 qw = font_info[char_base[f] + d].qqqq;
2410 for (k = 1; k <= np; k++)
2413 tfm_temp = getc(tfm_file);
2419 tfm_temp = getc(tfm_file);
2420 sw = sw * 256 + tfm_temp;
2421 tfm_temp = getc(tfm_file);
2422 sw = sw * 256 + tfm_temp;
2423 tfm_temp = getc(tfm_file);
2424 font_info[param_base[f]].cint = (sw * 16) + (tfm_temp / 16);
2428 tfm_temp = getc(tfm_file);
2430 tfm_temp = getc(tfm_file);
2432 tfm_temp = getc(tfm_file);
2434 tfm_temp = getc(tfm_file);
2436 sw = (((((d * z) / 256) + (c * z)) / 256) + (b * z)) / beta;
2439 font_info[param_base[f] + k - 1].cint = sw;
2441 font_info[param_base[f] + k - 1].cint = sw - alpha;
2448 for (k = np + 1; k <= 7; k++)
2449 font_info[param_base[f] + k - 1].cint = 0;
2453 font_params[f] = np;
2457 hyphen_char[f] = default_hyphen_char;
2458 skew_char[f] = default_skew_char;
2461 bchar_label[f] = bch_label + lig_kern_base[f];
2463 bchar_label[f] = non_address;
2465 font_bchar[f] = bchar;
2466 font_false_bchar[f] = bchar;
2471 qw = font_info[char_base[f] + bchar].qqqq;
2474 font_false_bchar[f] = 256;
2478 font_area[f] = aire;
2482 char_base[f] = char_base[f];
2483 width_base[f] = width_base[f];
2484 lig_kern_base[f] = lig_kern_base[f];
2485 kern_base[f] = kern_base[f];
2486 exten_base[f] = exten_base[f];
2487 decr(param_base[f]);
2488 fmem_ptr = fmem_ptr + lf;
2497 print_file_name(nom, aire, 335);
2501 print_string(" at ");
2505 else if (s != -1000)
2507 print_string("scaled");
2508 print_int(- (integer) s);
2512 print_string(" not loadable: Bad metric (TFM) file");
2514 print_string(" not loadable: Metric (TFM) file not found");
2516 help5("I wasn't able to read the size data for this font,",
2517 "so I will ignore the font specification.",
2518 "[Wizards can fix TFM files using TFtoPL/PLtoTF.]",
2519 "You might try inserting a different font spec;",
2520 "e.g., type `I\\font<same font id>=<substitute font name>'.");