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
20 #define null_code 0 // 0
21 #define carriage_return 015 // 13
22 #define invalid_code 0177 // 127
24 #define loc cur_input.loc_field
26 #define length(s) (str_start[(s) + 1] - str_start[(s)])
28 #define cur_length (pool_ptr - str_start[str_ptr])
53 error_message_issued = 2,
57 #define check_interrupt() \
61 pause_for_instructions(); \
68 #define nx_plus_y(a, b, c) mult_and_add(a, b, c, 07777777777L)
69 #define mult_integers(a, b) mult_and_add(a, b, 0, 017777777777L)
71 #define inf_bad 10000L
73 #define set_glue_ratio_zero(a) (a) = 0.0
74 #define set_glue_ratio_one(a) (a) = 1.0
75 #define tex_float(a) (a)
76 #define unfloat(a) (a)
77 #define float_constant(a) (float) (a)
79 //#define pointer halfword
80 #define null min_halfword
82 #define link(p) mem[p].hh.rh
83 #define info(p) mem[p].hh.lh
86 #define fast_get_avail(a) \
102 #define fast_get_avail(a) \
118 #define empty_flag max_halfword
119 #define is_empty(a) (link(a) == empty_flag)
120 #define node_size info
121 #define llink(a) info(a+1)
122 #define rlink(a) link(a+1)
124 #define type(a) mem[a].hh.b0
125 #define subtype(a) mem[a].hh.b1
127 #define is_char_node(a) (a >= hi_mem_min)
129 #define character subtype
132 #define box_node_size 7
133 #define width_offset 1
134 #define depth_offset 2
135 #define height_offset 3
136 #define width(a) mem[a + width_offset].cint
137 #define depth(a) mem[a + depth_offset].cint
138 #define height(a) mem[a + height_offset].cint
139 #define shift_amount(a) mem[a + 4].cint
140 #define list_offset 5
141 #define list_ptr(a) link(a + list_offset)
142 #define glue_order(a) subtype(a + list_offset)
143 #define glue_sign(a) type(a + list_offset)
147 #define glue_offset 6
148 #define glue_set(a) mem[a + glue_offset].gr
153 #define rule_node_size 4
154 #define null_flag -010000000000L
155 #define is_running(a) (a == null_flag)
158 #define ins_node_size 5
159 #define float_cost(a) mem[a + 1].cint
160 #define ins_ptr(a) info(a + 4)
161 #define split_top_ptr(a) link(a + 4)
164 #define small_node_size 2
165 #define mark_ptr(a) mem[a + 1].cint
167 #define adjust_node 5
168 #define adjust_ptr mark_ptr
170 #define ligature_node 6
171 #define lig_char(a) (a + 1)
172 #define lig_ptr(a) link(lig_char(a))
175 #define replace_count subtype
176 #define pre_break llink
177 #define post_break rlink
179 #define whatsit_node 8
185 #define precedes_break(a) (type(a) < math_node)
186 #define non_discardable(a) (type(a) < math_node)
189 #define cond_math_glue 98
191 #define a_leaders 100
192 #define c_leaders 101
193 #define x_leaders 102
194 #define glue_ptr llink
195 #define leader_ptr rlink
197 #define glue_spec_size 4
198 #define glue_ref_count(a) link(a)
199 #define stretch(a) mem[a + 2].cint
200 #define shrink(a) mem[a + 3].cint
201 #define stretch_order type
202 #define shrink_order subtype
211 #define penalty_node 12
212 #define inf_penalty inf_bad
213 #define eject_penalty -inf_bad
214 #define penalty(a) mem[a + 1].cint
216 #define unset_node 13
217 #define glue_stretch(a) mem[a + glue_offset].cint
218 #define glue_shrink shift_amount
219 #define span_count subtype
221 #define zero_glue mem_bot // 0
222 #define fil_glue (zero_glue + glue_spec_size) // 4
223 #define fill_glue (fil_glue + glue_spec_size) // 8
224 #define ss_glue (fill_glue + glue_spec_size) // 12
225 #define fil_neg_glue (ss_glue + glue_spec_size) // 16
226 #define lo_mem_stat_max (fil_neg_glue + glue_spec_size - 1) // 19
227 #define page_ins_head mem_top
228 #define contrib_head (mem_top - 1)
229 #define page_head (mem_top - 2)
230 #define temp_head (mem_top - 3)
231 #define hold_head (mem_top - 4)
232 #define adjust_head (mem_top - 5)
233 #define active (mem_top - 7)
234 #define align_head (mem_top - 8)
235 #define end_span (mem_top - 9)
236 #define omit_template (mem_top - 10)
237 #define null_list (mem_top - 11)
238 #define lig_trick (mem_top - 12)
239 #define garbage (mem_top - 12)
240 #define backup_head (mem_top - 13)
241 #define hi_mem_stat_min (mem_top - 13)
242 #define hi_mem_stat_usage 14
244 #define token_ref_count(a) info(a)
246 #define add_token_ref(a) incr(token_ref_count(a))
247 #define add_glue_ref(a) incr(glue_ref_count(a))
252 #define right_brace 2
264 #define other_char 12
265 #define active_char 13
271 #define invalid_char 15
273 #define max_char_code 15
276 #define math_char_num 17
284 #define remove_item 25
290 #define leader_ship 31
298 #define ignore_spaces 39
299 #define after_assignment 40
300 #define after_group 41
301 #define break_penalty 42
305 #define math_accent 46
306 #define discretionary 47
308 #define left_right 49
310 #define limit_switch 51
312 #define math_style 53
313 #define math_choice 54
314 #define non_script 55
316 #define case_shift 57
320 #define begin_group 61
324 #define no_boundary 65
326 #define end_cs_name 67
327 #define min_internal 68
328 #define char_given 68
329 #define math_given 69
331 #define max_non_prefixed_command 70
333 #define toks_register 71
334 #define assign_toks 72
335 #define assign_int 73
336 #define assign_dimen 74
337 #define assign_glue 75
338 #define assign_mu_glue 76
339 #define assign_font_dimen 77
340 #define assign_font_int 78
342 #define set_prev_graf 80
343 #define set_page_dimen 81
344 #define set_page_int 82
345 #define set_box_dimen 83
348 #define def_family 86
351 #define tex_register 89
352 #define max_internal 89
358 #define shorthand_def 95
359 #define read_to_cs 96
363 #define set_interaction 100
364 #define max_command 100
366 #define undefined_cs (max_command + 1 )
367 #define expand_after (max_command + 2 )
368 #define no_expand (max_command + 3 )
369 #define input (max_command + 4 )
370 #define if_test (max_command + 5 )
371 #define fi_or_else (max_command + 6 )
372 #define cs_name (max_command + 7 )
373 #define convert (max_command + 8 )
374 #define the (max_command + 9 )
375 #define top_bot_mark (max_command + 10)
376 #define call (max_command + 11)
377 #define long_call (max_command + 12)
378 #define outer_call (max_command + 13)
379 #define long_outer_call (max_command + 14)
380 #define end_template (max_command + 15)
381 #define dont_expand (max_command + 16)
382 #define glue_ref (max_command + 17)
383 #define shape_ref (max_command + 18)
384 #define box_ref (max_command + 19)
385 #define data (max_command + 20)
388 #define hmode (vmode + max_command + 1)
389 #define mmode (hmode + max_command + 1)
391 #define ignore_depth -65536000L
393 #define mode cur_list.mode_field
394 #define head cur_list.head_field
395 #define tail cur_list.tail_field
396 #define aux cur_list.aux_field
397 #define prev_depth aux.cint
398 #define space_factor aux.hh.lh
399 #define clang aux.hh.rh
400 #define incompleat_noad aux.cint
401 #define prev_graf cur_list.pg_field
402 #define mode_line cur_list.ml_field
404 #define eq_level_field(a) a.hh.b1
405 #define eq_type_field(a) a.hh.b0
406 #define equiv_field(a) a.hh.rh
407 #define eq_level(a) eq_level_field(eqtb[a])
408 #define eq_type(a) eq_type_field(eqtb[a])
409 #define equiv(a) equiv_field(eqtb[a])
410 #define level_zero min_quarterword
411 #define level_one level_zero + 1
413 #define active_base 1 // 1
414 #define single_base (active_base + 256) // 257
415 #define null_cs (single_base + 256) // 513
416 #define hash_base (null_cs + 1) // 514
417 #define frozen_control_sequence (hash_base + hash_size + hash_extra) // (hash_size + hash_extra + 514)
418 #define frozen_protection frozen_control_sequence // (hash_size + hash_extra + 514)
419 #define frozen_cr (frozen_control_sequence + 1) // (hash_size + hash_extra + 515)
420 #define frozen_end_group (frozen_control_sequence + 2) // (hash_size + hash_extra + 516)
421 #define frozen_right (frozen_control_sequence + 3) // (hash_size + hash_extra + 517)
422 #define frozen_fi (frozen_control_sequence + 4) // (hash_size + hash_extra + 518)
423 #define frozen_end_template (frozen_control_sequence + 5) // (hash_size + hash_extra + 519)
424 #define frozen_endv (frozen_control_sequence + 6) // (hash_size + hash_extra + 520)
425 #define frozen_relax (frozen_control_sequence + 7) // (hash_size + hash_extra + 521)
426 #define end_write (frozen_control_sequence + 8) // (hash_size + hash_extra + 522)
427 #define frozen_dont_expand (frozen_control_sequence + 9) // (hash_size + hash_extra + 523)
428 #define frozen_null_font (frozen_control_sequence + 10) // (hash_size + hash_extra + 524)
429 #define font_id_base (frozen_null_font - font_base) // (hash_size + hash_extra + 524)
430 #define undefined_control_sequence (frozen_null_font + font_max + 2) // (hash_size + 781)
431 #define glue_base (undefined_control_sequence + 1) // (hash_size + 782)
433 #define line_skip_code 0 // 782
434 #define baseline_skip_code 1 // 783
435 #define par_skip_code 2 // 784
436 #define above_display_skip_code 3 // 785
437 #define below_display_skip_code 4 // 786
438 #define above_display_short_skip_code 5 // 787
439 #define below_display_short_skip_code 6 // 788
440 #define left_skip_code 7 // 789
441 #define right_skip_code 8 // 790
442 #define top_skip_code 9 // 791
443 #define split_top_skip_code 10 // 792
444 #define tab_skip_code 11 // 793
445 #define space_skip_code 12 // 794
446 #define xspace_skip_code 13 // 795
447 #define par_fill_skip_code 14 // 796
448 #define thin_mu_skip_code 15 // 797
449 #define med_mu_skip_code 16 // 798
450 #define thick_mu_skip_code 17 // 799
451 #define glue_pars 18 // 800
452 #define skip_base (glue_base + glue_pars) // 800
453 #define mu_skip_base (skip_base + 256) // 1056
454 #define local_base (mu_skip_base + 256) // 1312
456 #define skip(a) equiv(skip_base + a)
457 #define mu_skip(a) equiv(mu_skip_base + a)
458 #define glue_par(a) equiv(glue_base + a)
459 #define line_skip glue_par(line_skip_code)
460 #define baseline_skip glue_par(baseline_skip_code)
461 #define par_skip glue_par(par_skip_code)
462 #define above_display_skip glue_par(above_display_skip_code)
463 #define below_display_skip glue_par(below_display_skip_code)
464 #define above_display_short_skip glue_par(above_display_short_skip_code)
465 #define below_display_short_skip glue_par(below_display_short_skip_code)
466 #define left_skip glue_par(left_skip_code)
467 #define right_skip glue_par(right_skip_code)
468 #define top_skip glue_par(top_skip_code)
469 #define split_top_skip glue_par(split_top_skip_code)
470 #define tab_skip glue_par(tab_skip_code)
471 #define space_skip glue_par(space_skip_code)
472 #define xspace_skip glue_par(xspace_skip_code)
473 #define par_fill_skip glue_par(par_fill_skip_code)
474 #define thin_mu_skip glue_par(thin_mu_skip_code)
475 #define med_mu_skip glue_par(med_mu_skip_code)
476 #define thick_mu_skip glue_par(thick_mu_skip_code)
478 #define par_shape_loc local_base // 1312
479 #define output_routine_loc (local_base + 1) // 1313
480 #define every_par_loc (local_base + 2) // 1314
481 #define every_math_loc (local_base + 3) // 1315
482 #define every_display_loc (local_base + 4) // 1316
483 #define every_hbox_loc (local_base + 5) // 1317
484 #define every_vbox_loc (local_base + 6) // 1318
485 #define every_job_loc (local_base + 7) // 1319
486 #define every_cr_loc (local_base + 8) // 1320
487 #define err_help_loc (local_base + 9) // 1321
488 #define toks_base (local_base + 10) // 1322
489 #define box_base (toks_base + 256) // 1578
490 #define cur_font_loc (box_base + 256) // 1834
491 #define math_font_base (cur_font_loc + 1) // 1835
492 #define cat_code_base (math_font_base + 48) // 1883
493 #define lc_code_base (cat_code_base + 256) // 2139
494 #define uc_code_base (lc_code_base + 256) // 2395
495 #define sf_code_base (uc_code_base + 256) // 2651
496 #define math_code_base (sf_code_base + 256) // 2907
497 #define int_base (math_code_base + 256) // 3163
499 #define par_shape_ptr equiv(par_shape_loc)
500 #define output_routine equiv(output_routine_loc)
501 #define every_par equiv(every_par_loc)
502 #define every_math equiv(every_math_loc)
503 #define every_display equiv(every_display_loc)
504 #define every_hbox equiv(every_hbox_loc)
505 #define every_vbox equiv(every_vbox_loc)
506 #define every_job equiv(every_job_loc)
507 #define every_cr equiv(every_cr_loc)
508 #define err_help equiv(err_help_loc)
509 #define toks(a) equiv(toks_base + a)
510 #define box(a) equiv(box_base + a)
511 #define cur_font equiv(cur_font_loc)
512 #define fam_fnt(a) equiv(math_font_base + a)
513 #define cat_code(a) equiv(cat_code_base + a)
514 #define lc_code(a) equiv(lc_code_base + a)
515 #define uc_code(a) equiv(uc_code_base + a)
516 #define sf_code(a) equiv(sf_code_base + a)
517 #define math_code(a) equiv(math_code_base + a)
519 #define null_font font_base
520 #define var_code 070000
522 #define pretolerance_code 0 // 3163
523 #define tolerance_code 1 // 3164
524 #define line_penalty_code 2 // 3165
525 #define hyphen_penalty_code 3 // 3166
526 #define ex_hyphen_penalty_code 4 // 3167
527 #define club_penalty_code 5 // 3168
528 #define widow_penalty_code 6 // 3169
529 #define display_widow_penalty_code 7 // 3170
530 #define broken_penalty_code 8 // 3171
531 #define bin_op_penalty_code 9 // 3172
532 #define rel_penalty_code 10 // 3173
533 #define pre_display_penalty_code 11 // 3174
534 #define post_display_penalty_code 12 // 3175
535 #define inter_line_penalty_code 13 // 3176
536 #define double_hyphen_demerits_code 14 // 3177
537 #define final_hyphen_demerits_code 15 // 3178
538 #define adj_demerits_code 16 // 3179
539 #define mag_code 17 // 3180
540 #define delimiter_factor_code 18 // 3181
541 #define looseness_code 19 // 3182
542 #define time_code 20 // 3183
543 #define day_code 21 // 3184
544 #define month_code 22 // 3185
545 #define year_code 23 // 3186
546 #define show_box_breadth_code 24 // 3187
547 #define show_box_depth_code 25 // 3188
548 #define hbadness_code 26 // 3189
549 #define vbadness_code 27 // 3190
550 #define pausing_code 28 // 3191
551 #define tracing_online_code 29 // 3192
552 #define tracing_macros_code 30 // 3193
553 #define tracing_stats_code 31 // 3194
554 #define tracing_paragraphs_code 32 // 3195
555 #define tracing_pages_code 33 // 3196
556 #define tracing_output_code 34 // 3197
557 #define tracing_lost_chars_code 35 // 3198
558 #define tracing_commands_code 36 // 3199
559 #define tracing_restores_code 37 // 3200
560 #define uc_hyph_code 38 // 3201
561 #define output_penalty_code 39 // 3202
562 #define max_dead_cycles_code 40 // 3203
563 #define hang_after_code 41 // 3204
564 #define floating_penalty_code 42 // 3205
565 #define global_defs_code 43 // 3206
566 #define cur_fam_code 44 // 3207
567 #define escape_char_code 45 // 3208
568 #define default_hyphen_char_code 46 // 3209
569 #define default_skew_char_code 47 // 3210
570 #define end_line_char_code 48 // 3211
571 #define new_line_char_code 49 // 3212
572 #define language_code 50 // 3213
573 #define left_hyphen_min_code 51 // 3214
574 #define right_hyphen_min_code 52 // 3215
575 #define holding_inserts_code 53 // 3216
576 #define error_context_lines_code 54 // 3217
578 #define count_base (int_base + int_pars) // 3218
579 #define del_code_base (count_base + 256) // 3474
580 #define dimen_base (del_code_base + 256) // 3730
582 #define del_code(a) eqtb[del_code_base + a].cint
583 #define count(a) eqtb[count_base + a].cint
584 #define int_par(a) eqtb[int_base + a].cint
585 #define pretolerance int_par(pretolerance_code)
586 #define tolerance int_par(tolerance_code)
587 #define line_penalty int_par(line_penalty_code)
588 #define hyphen_penalty int_par(hyphen_penalty_code)
589 #define ex_hyphen_penalty int_par(ex_hyphen_penalty_code)
590 #define club_penalty int_par(club_penalty_code)
591 #define widow_penalty int_par(widow_penalty_code)
592 #define display_widow_penalty int_par(display_widow_penalty_code)
593 #define broken_penalty int_par(broken_penalty_code)
594 #define bin_op_penalty int_par(bin_op_penalty_code)
595 #define rel_penalty int_par(rel_penalty_code)
596 #define pre_display_penalty int_par(pre_display_penalty_code)
597 #define post_display_penalty int_par(post_display_penalty_code)
598 #define inter_line_penalty int_par(inter_line_penalty_code)
599 #define double_hyphen_demerits int_par(double_hyphen_demerits_code)
600 #define final_hyphen_demerits int_par(final_hyphen_demerits_code)
601 #define adj_demerits int_par(adj_demerits_code)
602 #define mag int_par(mag_code)
603 #define delimiter_factor int_par(delimiter_factor_code)
604 #define looseness int_par(looseness_code)
605 #define tex_time int_par(time_code)
606 #define day int_par(day_code)
607 #define month int_par(month_code)
608 #define year int_par(year_code)
609 #define show_box_breadth int_par(show_box_breadth_code)
610 #define show_box_depth int_par(show_box_depth_code)
611 #define hbadness int_par(hbadness_code)
612 #define vbadness int_par(vbadness_code)
613 #define pausing int_par(pausing_code)
614 #define tracing_online int_par(tracing_online_code)
615 #define tracing_macros int_par(tracing_macros_code)
616 #define tracing_stats int_par(tracing_stats_code)
617 #define tracing_paragraphs int_par(tracing_paragraphs_code)
618 #define tracing_pages int_par(tracing_pages_code)
619 #define tracing_output int_par(tracing_output_code)
620 #define tracing_lost_chars int_par(tracing_lost_chars_code)
621 #define tracing_commands int_par(tracing_commands_code)
622 #define tracing_restores int_par(tracing_restores_code)
623 #define uc_hyph int_par(uc_hyph_code)
624 #define output_penalty int_par(output_penalty_code)
625 #define max_dead_cycles int_par(max_dead_cycles_code)
626 #define hang_after int_par(hang_after_code)
627 #define floating_penalty int_par(floating_penalty_code)
628 #define global_defs int_par(global_defs_code)
629 #define cur_fam int_par(cur_fam_code)
630 #define escape_char int_par(escape_char_code)
631 #define default_hyphen_char int_par(default_hyphen_char_code)
632 #define default_skew_char int_par(default_skew_char_code)
633 #define end_line_char int_par(end_line_char_code)
634 #define new_line_char int_par(new_line_char_code)
635 #define language int_par(language_code)
636 #define left_hyphen_min int_par(left_hyphen_min_code)
637 #define right_hyphen_min int_par(right_hyphen_min_code)
638 #define holding_inserts int_par(holding_inserts_code)
639 #define error_context_lines int_par(error_context_lines_code)
641 #define par_indent_code 0 // 3730
642 #define math_surround_code 1 // 3731
643 #define line_skip_limit_code 2 // 3732
644 #define hsize_code 3 // 3733
645 #define vsize_code 4 // 3734
646 #define max_depth_code 5 // 3735
647 #define split_max_depth_code 6 // 3736
648 #define box_max_depth_code 7 // 3737
649 #define hfuzz_code 8 // 3738
650 #define vfuzz_code 9 // 3739
651 #define delimiter_shortfall_code 10 // 3740
652 #define null_delimiter_space_code 11 // 3741
653 #define script_space_code 12 // 3742
654 #define pre_display_size_code 13 // 3743
655 #define display_width_code 14 // 3744
656 #define display_indent_code 15 // 3745
657 #define overfull_rule_code 16 // 3746
658 #define hang_indent_code 17 // 3747
659 #define h_offset_code 18 // 3748
660 #define v_offset_code 19 // 3749
661 #define emergency_stretch_code 20 // 3750
662 #define dimen_pars 21
663 #define scaled_base (dimen_base + dimen_pars) // 3751
664 #define eqtb_size (scaled_base + 255) // 4006
666 #define dimen(a) eqtb[scaled_base + a].cint
667 #define dimen_par(a) eqtb[dimen_base + a].cint
668 #define par_indent dimen_par(par_indent_code)
669 #define math_surround dimen_par(math_surround_code)
670 #define line_skip_limit dimen_par(line_skip_limit_code)
671 #define hsize dimen_par(hsize_code)
672 #define vsize dimen_par(vsize_code)
673 #define max_depth dimen_par(max_depth_code)
674 #define split_max_depth dimen_par(split_max_depth_code)
675 #define box_max_depth dimen_par(box_max_depth_code)
676 #define hfuzz dimen_par(hfuzz_code)
677 #define vfuzz dimen_par(vfuzz_code)
678 #define delimiter_shortfall dimen_par(delimiter_shortfall_code)
679 #define null_delimiter_space dimen_par(null_delimiter_space_code)
680 #define script_space dimen_par(script_space_code)
681 #define pre_display_size dimen_par(pre_display_size_code)
682 #define display_width dimen_par(display_width_code)
683 #define display_indent dimen_par(display_indent_code)
684 #define overfull_rule dimen_par(overfull_rule_code)
685 #define hang_indent dimen_par(hang_indent_code)
686 #define h_offset dimen_par(h_offset_code)
687 #define v_offset dimen_par(v_offset_code)
688 #define emergency_stretch dimen_par(emergency_stretch_code)
690 #define text(a) hash[a].rh
691 #define next(a) hash[a].lh
692 #define hash_is_full (hash_used == hash_base)
693 #define font_id_text(a) text(font_id_base + a)
695 #define save_type(a) save_stack[a].hh.b0
696 #define save_level(a) save_stack[a].hh.b1
697 #define save_index(a) save_stack[a].hh.rh
698 #define restore_old_value 0
699 #define restore_zero 1
700 #define insert_token 2
701 #define level_boundary 3
703 #define bottom_level 0
704 #define simple_group 1
706 #define adjust_hbox_group 3
709 #define align_group 6
710 #define no_align_group 7
711 #define output_group 8
713 #define disc_group 10
714 #define insert_group 11
715 #define vcenter_group 12
716 #define math_choice_group 13
717 #define semi_simple_group 14
718 #define math_shift_group 15
719 #define math_left_group 16
720 #define max_group_code 16
722 #define saved(a) save_stack[save_ptr + (a)].cint
724 #define cs_token_flag 07777 // 4095
725 #define left_brace_token 0400 // 256 = 2^8 * left_brace
726 #define left_brace_limit 01000 // 512 = 2^8 * (left_brace + 1)
727 #define right_brace_token 01000 // 512 = 2^8 * right_brace
728 #define right_brace_limit 01400 // 768 = 2^8 * (right_brace + 1)
729 #define math_shift_token 01400 // 768 = 2^8 * math_shift
730 #define tab_token 02000 // 1024 = 2^8 * tab_mark
731 #define out_param_token 02400 // 1280 = 2^8 * out_param
732 #define space_token 05040 // 2592 = 2^8 * spacer + ' '
733 #define letter_token 05400 // 2816 = 2^8 * letter
734 #define other_token 06000 // 3072 = 2^8 * other_char
735 #define match_token 06400 // 3328 = 2^8 * match
736 #define end_match_token 07000 // 3584 = 2^8 * end_match
746 #define state cur_input.state_field
747 #define index cur_input.index_field
748 #define start cur_input.start_field
749 #define limit cur_input.limit_field
750 #define name cur_input.name_field
753 #define skip_blanks 2 + max_char_code // 17
754 #define new_line 3 + max_char_code + max_char_code // 33
756 #define cur_file input_file[index]
765 #define token_type index
766 #define param_start limit
773 #define output_text 6
774 #define every_par_text 7
775 #define every_math_text 8
776 #define every_display_text 9
777 #define every_hbox_text 10
778 #define every_vbox_text 11
779 #define every_job_text 12
780 #define every_cr_text 13
782 #define write_text 15
784 #define begin_pseudoprint() \
790 trick_count = 1000000L; \
793 #define set_trick_count() \
796 first_count = tally; \
797 trick_count = tally + 1 + error_line - half_error_line; \
799 if (trick_count < error_line) \
800 trick_count = error_line; \
805 #define back_list(a) begin_token_list(a, backed_up)
806 #define ins_list(a) begin_token_list(a, inserted)
808 #define any_state_plus(a) mid_line + (a): case skip_blanks + (a): case new_line + (a)
810 #define add_delims_to(a) \
812 case (a) + tab_mark: \
813 case (a) + mac_param: \
814 case (a) + sub_mark: \
816 case (a) + other_char
819 (((a >= '0') && (a <= '9')) || ((a >= 'a') && (a <= 'f')))
820 #define hex_to_cur_chr() \
826 cur_chr = c - 'a' + 10; \
829 cur_chr = 16 * cur_chr + cc - '0'; \
831 cur_chr = 16 * cur_chr + cc - 'a' + 10; \
835 #define end_line_char_inactive() \
836 (end_line_char < 0) || (end_line_char > 255)
839 #define store_new_token(a) \
848 #define fast_store_new_token(a) \
857 #define no_expand_flag 257
859 #define top_mark_code 0
860 #define first_mark_code 1
861 #define bot_mark_code 2
862 #define split_first_mark_code 3
863 #define split_bot_mark_code 4
864 #define top_mark cur_mark[top_mark_code]
865 #define first_mark cur_mark[first_mark_code]
866 #define bot_mark cur_mark[bot_mark_code]
867 #define split_first_mark cur_mark[split_first_mark_code]
868 #define split_bot_mark cur_mark[split_bot_mark_code]
877 #define scanned_result(va, vb) \
881 cur_val_level = vb; \
885 #define input_line_no_code (glue_val + 1)
886 #define badness_code (glue_val + 2)
888 #define max_dimen 07777777777
890 #define octal_token (other_token + '\'') // 3111
891 #define hex_token (other_token + '"' ) // 3106
892 #define alpha_token (other_token + '`' ) // 3168
893 #define point_token (other_token + '.' ) // 3118
894 #define continental_point_token (other_token + ',' ) // 3116
896 #define zero_token (other_token + '0') // 3120
897 #define A_token (letter_token + 'A') // 2881
898 #define other_A_token (other_token + 'A') // 3137
900 #define set_conversion(a, b) \
907 #define number_code 0
908 #define roman_numeral_code 1
909 #define string_code 2
910 #define meaning_code 3
911 #define font_name_code 4
912 #define job_name_code 5
917 #define if_char_code 0
918 #define if_cat_code 1
919 #define if_int_code 2
920 #define if_dim_code 3
921 #define if_odd_code 4
922 #define if_vmode_code 5
923 #define if_hmode_code 6
924 #define if_mmode_code 7
925 #define if_inner_code 8
926 #define if_void_code 9
927 #define if_hbox_code 10
928 #define if_vbox_code 11
930 #define if_eof_code 13
931 #define if_true_code 14
932 #define if_false_code 15
933 #define if_case_code 16
935 #define if_node_size 2
936 #define if_line_field(a) mem[(a) + 1].cint
947 #define stop_flag 128
948 #define kern_flag 128
949 #define skip_byte(a) a.b0
950 #define next_char(a) a.b1
951 #define op_byte(a) a.b2
952 #define rem_byte(a) a.b3
954 #define ext_top(a) a.b0
955 #define ext_mid(a) a.b1
956 #define ext_bot(a) a.b2
957 #define ext_rep(a) a.b3
961 #define space_stretch_code 3
962 #define space_shrink_code 4
963 #define x_height_code 5
965 #define extra_space_code 7
968 #define non_address 0
970 #define char_info(a, b) font_info[char_base[a] + b].qqqq
971 #define char_width(a, b) font_info[width_base[a] + b.b0].cint
972 #define char_exists(a) (a.b0 > min_quarterword)
973 #define char_italic(a, b) font_info[italic_base[a] + (b.b2) / 4].cint
974 #define height_depth(a) (a.b1)
975 #define char_height(a, b) font_info[height_base[a] + (b) / 16].cint
976 #define char_depth(a, b) font_info[depth_base[a] + (b) % 16].cint
977 #define char_tag(a) (a.b2 % 4)
979 #define char_kern(a, b) font_info[kern_base[a] + 256 * op_byte(b) + rem_byte(b)].cint
980 #define kern_base_offset (256 * (128 + min_quarterword))
981 #define lig_kern_start(a, b) lig_kern_base[a] + rem_byte(b)
982 #define lig_kern_restart(a, b) lig_kern_base[a] + 256 * op_byte(b) + rem_byte(b) + 32768 - kern_base_offset
984 #define param(a, b) font_info[a + param_base[b]].cint
985 #define slant(f) param(slant_code, f)
986 #define space(f) param(space_code, f)
987 #define space_stretch(f) param(space_stretch_code, f)
988 #define space_shrink(f) param(space_shrink_code, f)
989 #define x_height(f) param(x_height_code, f)
990 #define quad(f) param(quad_code, f)
991 #define extra_space(f) param(extra_space_code, f)
993 #define read_sixteen(a) \
999 tfm_temp = getc(tfm_file); \
1000 a = a * 256 + tfm_temp; \
1003 #define store_four_quarters(val) \
1006 tfm_temp = getc(tfm_file); \
1009 tfm_temp = getc(tfm_file); \
1012 tfm_temp = getc(tfm_file); \
1015 tfm_temp = getc(tfm_file); \
1023 #define check_existence(a) \
1027 if ((a < bc) || (a > ec)) \
1031 qw = char_info(f, a); \
1038 #define set1 128 // c[1]
1039 #define set2 129 // c[2]
1040 #define set3 130 // c[3]
1041 #define set4 131 // c[4]
1042 #define set_rule 132 // a[4] b[4]
1043 #define put1 133 // c[1]
1044 #define put2 134 // c[2]
1045 #define put3 135 // c[3]
1046 #define put4 136 // c[4]
1047 #define put_rule 137 // a[4] b[4]
1048 #define nop 138 // NULL
1049 #define bop 139 // c0[4] c1[4] ... c9[4] p[4]
1050 #define eop 140 // NULL
1053 #define right1 143 // b[1]
1054 #define right2 144 // b[2]
1055 #define right3 145 // b[3]
1056 #define right4 146 // b[4]
1058 #define w1 148 // b[1]
1059 #define w2 149 // b[2]
1060 #define w3 150 // b[3]
1061 #define w4 151 // b[4]
1063 #define x1 153 // b[1]
1064 #define x2 154 // b[2]
1065 #define x3 155 // b[3]
1066 #define x4 156 // b[4]
1067 #define down1 157 // a[1]
1068 #define down2 158 // a[2]
1069 #define down3 159 // a[3]
1070 #define down4 160 // a[4]
1072 #define y1 162 // a[1]
1073 #define y2 163 // a[2]
1074 #define y3 164 // a[3]
1075 #define y4 165 // a[4]
1077 #define z1 167 // a[1]
1078 #define z2 168 // a[2]
1079 #define z3 169 // a[3]
1080 #define z4 170 // a[4]
1081 #define fnt_num_0 171 //
1082 #define fnt1 235 // k[1]
1083 #define fnt2 236 // k[2]
1084 #define fnt3 237 // k[3]
1085 #define fnt4 238 // k[4]
1086 #define xxx1 239 // k[1] x[k]
1087 #define xxx2 240 // k[2] x[k]
1088 #define xxx3 241 // k[3] x[k]
1089 #define xxx4 242 // k[4] x[k]
1090 #define fnt_def1 243 // k[1] c[4] s[4] d[4] a[1] l[1] n[a + l]
1091 #define fnt_def2 244 // k[2] c[4] s[4] d[4] a[1] l[1] n[a + l]
1092 #define fnt_def3 245 // k[3] c[4] s[4] d[4] a[1] l[1] n[a + l]
1093 #define fnt_def4 246 // k[4] c[4] s[4] d[4] a[1] l[1] n[a + l]
1094 #define pre 247 // i[1] num[4] den[4] mag[4] k[1] x[k]
1096 #define post_post 249 //
1100 #define movement_node_size 3
1101 #define location(a) mem[a + 2].cint
1114 #define billion 1000000000.0
1115 #define vet_glue(a) \
1119 if (glue_temp > billion) \
1120 glue_temp = billion; \
1121 else if (glue_temp < -billion)\
1122 glue_temp = -billion; \
1127 #define additional 1
1128 #define natural 0, additional
1130 #define u_part(a) mem[(a) + height_offset].cint
1131 #define v_part(a) mem[(a) + depth_offset].cint
1132 #define extra_info(a) info((a) + list_offset)
1135 #define nucleus(a) ((a) + 1)
1136 #define supscr(a) ((a) + 2)
1137 #define subscr(a) ((a) + 3)
1138 #define math_type link
1143 #define math_text_char 4
1145 #define ord_noad (unset_node + 3) // 16
1146 #define op_noad (ord_noad + 1 ) // 17
1147 #define bin_noad (ord_noad + 2 ) // 18
1148 #define rel_noad (ord_noad + 3 ) // 19
1149 #define open_noad (ord_noad + 4 ) // 20
1150 #define close_noad (ord_noad + 5 ) // 21
1151 #define punct_noad (ord_noad + 6 ) // 22
1152 #define inner_noad (ord_noad + 7 ) // 23
1156 #define left_delimiter(a) ((a) + 4)
1157 #define right_delimiter(a) ((a) + 5)
1158 #define radical_noad (inner_noad + 1) // 24
1159 #define radical_noad_size 5
1160 #define fraction_noad (radical_noad + 1) // 25
1161 #define fraction_noad_size 6
1162 #define small_fam(a) mem[(a)].qqqq.b0
1163 #define small_char(a) mem[(a)].qqqq.b1
1164 #define large_fam(a) mem[(a)].qqqq.b2
1165 #define large_char(a) mem[(a)].qqqq.b3
1166 #define thickness width
1167 #define default_code 010000000000L
1168 #define numerator supscr
1169 #define denominator subscr
1171 #define under_noad (fraction_noad + 1) // 26
1172 #define over_noad (under_noad + 1 ) // 27
1173 #define accent_noad (over_noad + 1 ) // 28
1174 #define accent_noad_size 5
1175 #define accent_chr(a) (a) + 4
1176 #define vcenter_noad (accent_noad + 1 ) // 29
1177 #define left_noad (vcenter_noad + 1 ) // 30
1178 #define right_noad (left_noad + 1 ) // 31
1179 #define delimiter nucleus
1180 #define script_allowed(a) ((type(a) >= ord_noad) && (type(a) < left_noad))
1182 #define style_node (unset_node + 1)
1183 #define style_node_size 3
1184 #define display_style 0
1185 #define text_style 2
1186 #define script_style 4
1187 #define script_script_style 6
1190 #define choice_node (unset_node + 2)
1191 #define display_mlist(a) info(a + 1)
1192 #define text_mlist(a) link(a + 1)
1193 #define script_mlist(a) info(a + 2)
1194 #define script_script_mlist(a) link(a + 2)
1197 #define script_size 16
1198 #define script_script_size 32
1200 #define mathsy(a, b) font_info[a + param_base[fam_fnt(2 + b)]].cint
1201 #define math_x_height(a) mathsy(5, a)
1202 #define math_quad(a) mathsy(6, a)
1203 #define num1(a) mathsy(8, a)
1204 #define num2(a) mathsy(9, a)
1205 #define num3(a) mathsy(10, a)
1206 #define denom1(a) mathsy(11, a)
1207 #define denom2(a) mathsy(12, a)
1208 #define sup1(a) mathsy(13, a)
1209 #define sup2(a) mathsy(14, a)
1210 #define sup3(a) mathsy(15, a)
1211 #define sub1(a) mathsy(16, a)
1212 #define sub2(a) mathsy(17, a)
1213 #define sup_drop(a) mathsy(18, a)
1214 #define sub_drop(a) mathsy(19, a)
1215 #define delim1(a) mathsy(20, a)
1216 #define delim2(a) mathsy(21, a)
1217 #define axis_height(a) mathsy(22, a)
1218 #define total_mathsy_params 22
1220 #define mathex(a) font_info[(a) + param_base[fam_fnt(3 + cur_size)]].cint
1221 #define default_rule_thickness mathex(8)
1222 #define big_op_spacing1 mathex(9)
1223 #define big_op_spacing2 mathex(10)
1224 #define big_op_spacing3 mathex(11)
1225 #define big_op_spacing4 mathex(12)
1226 #define big_op_spacing5 mathex(13)
1227 #define total_mathex_params 13
1229 #define cramped_style(a) (2 * ((a) / 2) + cramped)
1230 #define sub_style(a) (2 * ((a) / 4) + script_style + cramped)
1231 #define sup_style(a) (2 * ((a) / 4) + script_style + ((a) % 2))
1232 #define num_style(a) ((a) + 2 - 2 * ((a) / 6))
1233 #define denom_style(a) (2 * ((a) / 2) + cramped + 2 - 2 * ((a) / 6))
1235 #define mu_mult(a) nx_plus_y(n, a, xn_over_d(a, f, 0200000))
1237 #define new_hlist(a) mem[nucleus(a)].cint
1239 #define choose_mlist(a) \
1247 #define preamble link(align_head)
1248 #define align_stack_node_size 5
1250 #define span_code 256
1252 #define cr_cr_code (cr_code + 1)
1253 #define end_template_token (cs_token_flag + frozen_end_template)
1255 #define span_node_size 2
1259 #define very_loose_fit 0
1260 #define decent_fit 2
1262 #define active_node_size 3
1263 #define fitness subtype
1264 #define break_node rlink
1265 #define line_number llink
1266 #define total_demerits(a) mem[a + 2].cint
1267 #define unhyphenated 0
1268 #define hyphenated 1
1269 #define last_active active
1271 #define passive_node_size 2
1272 #define cur_break rlink
1273 #define prev_break llink
1276 #define delta_node_size 7
1277 #define delta_node 2
1279 #define do_all_six(a) \
1287 #define check_shrinkage(s) \
1290 if ((shrink_order(s) != normal) && (shrink(s) != 0))\
1291 s = finite_shrink(s); \
1295 #define copy_to_cur_active(a) cur_active_width[a] = active_width[a]
1297 #define update_width(a) cur_active_width[a] = cur_active_width[a] + mem[r + (a)].cint
1299 #define awful_bad 07777777777
1301 #define set_break_width_to_background(a) break_width[a] = background[a]
1303 #define convert_to_break_width(a) mem[prev_r + (a)].cint = mem[prev_r + (a)].cint - cur_active_width[a] + break_width[a]
1304 #define store_break_width(a) active_width[a] = break_width[a]
1305 #define new_delta_to_break_width(a) mem[q + (a)].cint = break_width[(a)] - cur_active_width[(a)]
1307 #define new_delta_from_break_width(a) mem[q + (a)].cint = cur_active_width[(a)] - break_width[(a)]
1309 #define combine_two_deltas(a) mem[prev_r + (a)].cint = mem[prev_r + (a)].cint + mem[r + (a)].cint
1310 #define downdate_width(a) cur_active_width[(a)] = cur_active_width[(a)] - mem[prev_r + (a)].cint
1312 #define update_active(a) active_width[(a)] = active_width[(a)] + mem[r + (a)].cint
1314 #define store_background(a) active_width[a] = background[a]
1316 #define act_width active_width[1]
1317 #define kern_break() \
1320 if (!is_char_node(link(cur_p)) && auto_breaking) \
1321 if (type(link(cur_p)) == glue_node) \
1322 try_break(0, unhyphenated); \
1324 act_width = act_width + width(cur_p); \
1328 #define next_break prev_break
1330 #define append_charnode_to_t(a) \
1333 link(t) = get_avail(); \
1336 character(t) = (a); \
1339 #define set_cur_r() \
1343 cur_r = hu[j + 1]; \
1350 cur_rh = non_char; \
1354 #define wrap_lig(a) \
1357 if (ligature_present) \
1359 p = new_ligature(hf, cur_l, link(cur_q)); \
1368 if (lig_stack == 0) \
1376 ligature_present = false; \
1380 #define pop_lig_stack() \
1383 if (lig_ptr(lig_stack) != 0) \
1385 link(t) = lig_ptr(lig_stack); \
1391 lig_stack = link(p); \
1392 free_node(p, small_node_size); \
1394 if (lig_stack == 0) \
1399 cur_r = character(lig_stack); \
1403 #define advance_major_tail() \
1406 major_tail = link(major_tail); \
1411 #define active_height active_width
1412 #define cur_height active_height[1]
1413 #define set_height_zero(a) active_width[(a)] = 0
1415 #define deplorable 100000L
1417 #define inserts_only 1
1420 #define page_ins_node_size 4
1423 #define broken_ptr(a) link(a + 1)
1424 #define broken_ins(a) info(a + 1)
1425 #define last_ins_ptr(a) link(a + 2)
1426 #define best_ins_ptr(a) info(a + 2)
1428 #define page_goal page_so_far[0]
1429 #define page_total page_so_far[1]
1430 #define page_shrink page_so_far[6]
1431 #define page_depth page_so_far[7]
1433 #define set_page_so_far_zero(a) page_so_far[(a)] = 0
1435 #define adjust_space_factor() \
1438 main_s = sf_code(cur_chr); \
1439 if (main_s == 1000) \
1440 space_factor = 1000; \
1441 else if (main_s < 1000) \
1444 space_factor = main_s; \
1446 else if (space_factor < 1000) \
1447 space_factor = 1000; \
1449 space_factor = main_s; \
1457 if (cur_l < non_char) \
1459 if (link(cur_q) != 0) \
1460 if (character(tail) == hyphen_char[main_f]) \
1463 if (ligature_present) \
1465 main_p = new_ligature(main_f, cur_l, link(cur_q)); \
1469 subtype(main_p) = 2; \
1474 if (lig_stack == 0) \
1476 incr(subtype(main_p)); \
1480 link(cur_q) = main_p; \
1482 ligature_present = false; \
1491 tail_append(new_disc()); \
1498 #define any_mode(a) vmode + a: case hmode + a: case mmode + a
1500 #define non_math(a) vmode + a: case hmode + a
1505 #define fil_neg_code 3
1507 #define mskip_code 5
1509 #define box_flag 010000000000
1510 #define ship_out_flag (box_flag + 512)
1511 #define leader_flag (box_flag + 513)
1514 #define last_box_code 2
1515 #define vsplit_code 3
1518 #define above_code 0
1521 #define delimited_code 3
1523 #define define(p, t, e) \
1527 geq_define(p, t, e);\
1529 eq_define(p, t, e); \
1532 #define word_define(p, w) \
1536 geq_word_define(p, w);\
1538 eq_word_define(p, w); \
1542 #define char_def_code 0
1543 #define math_char_def_code 1
1544 #define count_def_code 2
1545 #define dimen_def_code 3
1546 #define skip_def_code 4
1547 #define mu_skip_def_code 5
1548 #define toks_def_code 6
1551 #define show_box_code 1
1552 #define show_the_code 2
1553 #define show_lists 3
1555 #define undump(va, vb, vc) \
1560 if ((x < (va)) || (x > (vb))) \
1567 #define write_node_size 2
1568 #define open_node_size 3
1570 #define write_node 1
1571 #define close_node 2
1572 #define special_node 3
1573 #define language_node 4
1574 #define what_lang(s) link(s+1)
1575 #define what_lhm(s) type(s+1)
1576 #define what_rhm(s) subtype(s+1)
1577 #define write_tokens(s) link(s+1)
1578 #define write_stream(s) info(s+1)
1579 #define open_name(s) link(s+1)
1580 #define open_area(s) info(s+2)
1581 #define open_ext(s) link(s+2)
1583 #define immediate_code 4
1584 #define set_language_code 5
1586 #define end_write_token (cs_token_flag + end_write)