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 length(s) (str_start[(s) + 1] - str_start[(s)])
26 #define cur_length (pool_ptr - str_start[str_ptr])
51 error_message_issued = 2,
55 #define nx_plux_y(...) mult_and_add(..., 07777777777L)
56 #define mult_integers(a) mult_and_add(a,0,017777777777L)
58 #define inf_bad 10000L
60 #define set_glue_ratio_zero(a) (a) = 0.0
61 #define set_glue_ratio_one(a) (a) = 1.0
62 #define tex_float(a) (a)
63 #define unfloat(a) (a)
64 #define float_constant(a) (float) (a)
66 //#define pointer halfword
67 #define null min_halfword
69 #define link(p) mem[(p)].hh.rh
70 #define info(p) mem[(p)].hh.lh
73 #define fast_get_avail(a) \
89 #define fast_get_avail(a) \
105 #define empty_flag max_halfword
106 #define is_empty(a) (link(a) = empty_flag)
107 #define node_size info
108 #define llink(a) info(a+1)
109 #define rlink(a) link(a+1)
111 #define type(a) mem[a].hh.b0
112 #define subtype(a) mem[a].hh.b1
114 #define is_char_node(a) (a >= hi_mem_min)
116 #define character subtype
119 #define box_node_size 7
120 #define width_offset 1
121 #define depth_offset 2
122 #define height_offset 3
123 #define width(a) mem[a + width_offset].cint
124 #define depth(a) mem[a + depth_offset].cint
125 #define height(a) mem[a + height_offset].cint
126 #define shift_amount(a) mem[a + 4].cint
127 #define list_offset 5
128 #define list_ptr(a) link(a + list_offset)
129 #define glue_order(a) subtype(a + list_offset)
130 #define glue_sign(a) type(a + list_offset)
134 #define glue_offset 6
135 #define glue_set(a) mem[a + glue_offset].gr
140 #define rule_node_size 4
141 #define null_flag -010000000000L
142 #define is_running(a) (a = null_flag)
145 #define ins_node_size 5
146 #define float_cost(a) mem[a + 1].cint
147 #define ins_ptr(a) info(a + 4)
148 #define split_top_ptr(a) link(a + 4)
151 #define small_node_size 2
152 #define mark_ptr(a) mem[a + 1].cint
154 #define adjust_node 5
155 #define adjust_ptr mark_ptr
157 #define ligature_node 6
158 #define lig_char(a) (a + 1)
159 #define lig_ptr(a) link(lig_char(a))
162 #define replace_count subtype
163 #define pre_break llink
164 #define post_break rlink
166 #define whatsit_node 8
172 #define precedes_break(a) (type(a) < math_node)
173 #define non_discardable(a) (type(a) < math_node)
176 #define cond_math_glue 98
178 #define a_leaders 100
179 #define c_leaders 101
180 #define x_leaders 102
181 #define glue_ptr llink
182 #define leader_ptr rlink
184 #define glue_spec_size 4
185 #define glue_ref_count(a) link(a)
186 #define stretch(a) mem[a + 2].cint
187 #define shrink(a) mem[a + 3].cint
188 #define stretch_order type
189 #define shrink_order subtype
198 #define penalty_node 12
199 #define inf_penalty inf_bad
200 #define eject_penalty -inf_bad
201 #define penalty(a) mem[a + 1].cint
203 #define unset_node 13
204 #define glue_stretch(a) mem[a + glue_offset].cint
205 #define glue_shrink shift_amount
206 #define span_count subtype
208 #define zero_glue mem_bot // 0
209 #define fil_glue (zero_glue + glue_spec_size) // 4
210 #define fill_glue (fil_glue + glue_spec_size) // 8
211 #define ss_glue (fill_glue + glue_spec_size) // 12
212 #define fil_neg_glue (ss_glue + glue_spec_size) // 16
213 #define lo_mem_stat_max (fil_neg_glue + glue_spec_size - 1) // 19
214 #define page_ins_head mem_top
215 #define contrib_head (mem_top - 1)
216 #define page_head (mem_top - 2)
217 #define temp_head (mem_top - 3)
218 #define hold_head (mem_top - 4)
219 #define adjust_head (mem_top - 5)
220 #define active (mem_top - 7)
221 #define align_head (mem_top - 8)
222 #define end_span (mem_top - 9)
223 #define omit_template (mem_top - 10)
224 #define null_list (mem_top - 11)
225 #define lig_trick (mem_top - 12)
226 #define garbage (mem_top - 12)
227 #define backup_head (mem_top - 13)
228 #define hi_mem_stat_min (mem_top - 13)
229 #define hi_mem_stat_usage 14
231 #define token_ref_count(a) info(a)
233 #define add_token_ref(a) incr(token_ref_count(a))
234 #define add_glue_ref(a) incr(glue_ref_count(a))
239 #define right_brace 2
251 #define other_char 12
252 #define active_char 13
258 #define invalid_char 15
260 #define max_char_code 15
263 #define math_char_num 17
271 #define remove_item 25
277 #define leader_ship 31
285 #define ignore_spaces 39
286 #define after_assignment 40
287 #define after_group 41
288 #define break_penalty 42
292 #define math_accent 46
293 #define discretionary 47
295 #define left_right 49
297 #define limit_switch 51
299 #define math_style 53
300 #define math_choice 54
301 #define non_script 55
303 #define case_shift 57
307 #define begin_group 61
311 #define no_boundary 65
313 #define end_cs_name 67
314 #define min_internal 68
315 #define char_given 68
316 #define math_given 69
318 #define max_non_prefixed_command 70
320 #define toks_register 71
321 #define assign_toks 72
322 #define assign_int 73
323 #define assign_dimen 74
324 #define assign_glue 75
325 #define assign_mu_glue 76
326 #define assign_font_dimen 77
327 #define assign_font_int 78
329 #define set_prev_graf 80
330 #define set_page_dimen 81
331 #define set_page_int 82
332 #define set_box_dimen 83
335 #define def_family 86
338 #define tex_register 89
339 #define max_internal 89
345 #define shorthand_def 95
346 #define read_to_cs 96
350 #define set_interaction 100
351 #define max_command 100
353 #define undefined_cs (max_command + 1 )
354 #define expand_after (max_command + 2 )
355 #define no_expand (max_command + 3 )
356 #define input (max_command + 4 )
357 #define if_test (max_command + 5 )
358 #define fi_or_else (max_command + 6 )
359 #define cs_name (max_command + 7 )
360 #define convert (max_command + 8 )
361 #define the (max_command + 9 )
362 #define top_bot_mark (max_command + 10)
363 #define call (max_command + 11)
364 #define long_call (max_command + 12)
365 #define outer_call (max_command + 13)
366 #define long_outer_call (max_command + 14)
367 #define end_template (max_command + 15)
368 #define dont_expand (max_command + 16)
369 #define glue_ref (max_command + 17)
370 #define shape_ref (max_command + 18)
371 #define box_ref (max_command + 19)
372 #define data (max_command + 20)
375 #define hmode (vmode + max_command + 1)
376 #define mmode (hmode + max_command + 1)
378 #define ignore_depth -65536000L
380 #define mode cur_list.mode_field
381 #define head cur_list.head_field
382 #define tail cur_list.tail_field
383 #define aux cur_list.aux_field
384 #define prev_depth aux.cint
385 #define space_factor aux.hh.lh
386 #define clang aux.hh.rh
387 #define incompleat_noad aux.cint
388 #define prev_graf cur_list.pg_field
389 #define mode_line cur_list.ml_field
391 #define eq_level_field(a) a.hh.b1
392 #define eq_type_field(a) a.hh.b0
393 #define equiv_field(a) a.hh.rh
394 #define eq_level(a) eq_level_field(eqtb[a])
395 #define eq_type(a) eq_type_field(eqtb[a])
396 #define equiv(a) equiv_field(eqtb[a])
397 #define level_zero min_quarterword
398 #define level_one level_zero + 1
400 #define active_base 1 // 1
401 #define single_base (active_base + 256) // 257
402 #define null_cs (single_base + 256) // 513
403 #define hash_base (null_cs + 1) // 514
404 #define frozen_control_sequence (hash_base + hash_size + hash_extra) // (hash_size + hash_extra + 514)
405 #define frozen_protection frozen_control_sequence // (hash_size + hash_extra + 514)
406 #define frozen_cr (frozen_control_sequence + 1) // (hash_size + hash_extra + 515)
407 #define frozen_end_group (frozen_control_sequence + 2) // (hash_size + hash_extra + 516)
408 #define frozen_right (frozen_control_sequence + 3) // (hash_size + hash_extra + 517)
409 #define frozen_fi (frozen_control_sequence + 4) // (hash_size + hash_extra + 518)
410 #define frozen_end_template (frozen_control_sequence + 5) // (hash_size + hash_extra + 519)
411 #define frozen_endv (frozen_control_sequence + 6) // (hash_size + hash_extra + 520)
412 #define frozen_relax (frozen_control_sequence + 7) // (hash_size + hash_extra + 521)
413 #define end_write (frozen_control_sequence + 8) // (hash_size + hash_extra + 522)
414 #define frozen_dont_expand (frozen_control_sequence + 9) // (hash_size + hash_extra + 523)
415 #define frozen_null_font (frozen_control_sequence + 10) // (hash_size + hash_extra + 524)
416 #define font_id_base (frozen_null_font - font_base) // (hash_size + hash_extra + 524)
417 #define undefined_control_sequence (frozen_null_font + 1025) // (hash_size + hash_extra + 781) = font_max + 2
418 // (hash_size + (255 - 1023) + 1025 + 524)
420 #define glue_base (undefined_control_sequence + 1) // (hash_size + 782)
422 #define line_skip_code 0 // 782
423 #define baseline_skip_code 1 // 783
424 #define par_skip_code 2 // 784
425 #define above_display_skip_code 3 // 785
426 #define below_display_skip_code 4 // 786
427 #define above_display_short_skip_code 5 // 787
428 #define below_display_short_skip_code 6 // 788
429 #define left_skip_code 7 // 789
430 #define right_skip_code 8 // 790
431 #define top_skip_code 9 // 791
432 #define split_top_skip_code 10 // 792
433 #define tab_skip_code 11 // 793
434 #define space_skip_code 12 // 794
435 #define xspace_skip_code 13 // 795
436 #define par_fill_skip_code 14 // 796
437 #define thin_mu_skip_code 15 // 797
438 #define med_mu_skip_code 16 // 798
439 #define thick_mu_skip_code 17 // 799
440 #define glue_pars 18 // 800
441 #define skip_base (glue_base + glue_pars) // 800
442 #define mu_skip_base (skip_base + 256) // 1056
443 #define local_base (mu_skip_base + 256) // 1312
445 #define skip(a) equiv(skip_base + a)
446 #define mu_skip(a) equiv(mu_skip_base + a)
447 #define glue_par(a) equiv(glue_base + a)
448 #define line_skip glue_par(line_skip_code)
449 #define baseline_skip glue_par(baseline_skip_code)
450 #define par_skip glue_par(par_skip_code)
451 #define above_display_skip glue_par(above_display_skip_code)
452 #define below_display_skip glue_par(below_display_skip_code)
453 #define above_display_short_skip glue_par(above_display_short_skip_code)
454 #define below_display_short_skip glue_par(below_display_short_skip_code)
455 #define left_skip glue_par(left_skip_code)
456 #define right_skip glue_par(right_skip_code)
457 #define top_skip glue_par(top_skip_code)
458 #define split_top_skip glue_par(split_top_skip_code)
459 #define tab_skip glue_par(tab_skip_code)
460 #define space_skip glue_par(space_skip_code)
461 #define xspace_skip glue_par(xspace_skip_code)
462 #define par_fill_skip glue_par(par_fill_skip_code)
463 #define thin_mu_skip glue_par(thin_mu_skip_code)
464 #define med_mu_skip glue_par(med_mu_skip_code)
465 #define thick_mu_skip glue_par(thick_mu_skip_code)
467 #define par_shape_loc local_base // 1312
468 #define output_routine_loc (local_base + 1) // 1313
469 #define every_par_loc (local_base + 2) // 1314
470 #define every_math_loc (local_base + 3) // 1315
471 #define every_display_loc (local_base + 4) // 1316
472 #define every_hbox_loc (local_base + 5) // 1317
473 #define every_vbox_loc (local_base + 6) // 1318
474 #define every_job_loc (local_base + 7) // 1319
475 #define every_cr_loc (local_base + 8) // 1320
476 #define err_help_loc (local_base + 9) // 1321
477 #define toks_base (local_base + 10) // 1322
478 #define box_base (toks_base + 256) // 1578
479 #define cur_font_loc (box_base + 256) // 1834
480 #define math_font_base (cur_font_loc + 1) // 1835
481 #define cat_code_base (math_font_base + 48) // 1883
482 #define lc_code_base (cat_code_base + 256) // 2139
483 #define uc_code_base (lc_code_base + 256) // 2395
484 #define sf_code_base (uc_code_base + 256) // 2651
485 #define math_code_base (sf_code_base + 256) // 2907
486 #define int_base (math_code_base + 256) // 3163
488 #define par_shape_ptr equiv(par_shape_loc)
489 #define output_routine equiv(output_routine_loc)
490 #define every_par equiv(every_par_loc)
491 #define every_math equiv(every_math_loc)
492 #define every_display equiv(every_display_loc)
493 #define every_hbox equiv(every_hbox_loc)
494 #define every_vbox equiv(every_vbox_loc)
495 #define every_job equiv(every_job_loc)
496 #define every_cr equiv(every_cr_loc)
497 #define err_help equiv(err_help_loc)
498 #define toks(a) equiv(toks_base + a)
499 #define box(a) equiv(box_base + a)
500 #define cur_font equiv(cur_font_loc)
501 #define fam_fnt(a) equiv(math_font_base + a)
502 #define cat_code(a) equiv(cat_code_base + a)
503 #define lc_code(a) equiv(lc_code_base + a)
504 #define uc_code(a) equiv(uc_code_base + a)
505 #define sf_code(a) equiv(sf_code_base + a)
506 #define math_code(a) equiv(math_code_base + a)
508 #define null_font font_base
509 #define var_code 070000
511 #define pretolerance_code 0 // 3163
512 #define tolerance_code 1 // 3164
513 #define line_penalty_code 2 // 3165
514 #define hyphen_penalty_code 3 // 3166
515 #define ex_hyphen_penalty_code 4 // 3167
516 #define club_penalty_code 5 // 3168
517 #define widow_penalty_code 6 // 3169
518 #define display_widow_penalty_code 7 // 3170
519 #define broken_penalty_code 8 // 3171
520 #define bin_op_penalty_code 9 // 3172
521 #define rel_penalty_code 10 // 3173
522 #define pre_display_penalty_code 11 // 3174
523 #define post_display_penalty_code 12 // 3175
524 #define inter_line_penalty_code 13 // 3176
525 #define double_hyphen_demerits_code 14 // 3177
526 #define final_hyphen_demerits_code 15 // 3178
527 #define adj_demerits_code 16 // 3179
528 #define mag_code 17 // 3180
529 #define delimiter_factor_code 18 // 3181
530 #define looseness_code 19 // 3182
531 #define time_code 20 // 3183
532 #define day_code 21 // 3184
533 #define month_code 22 // 3185
534 #define year_code 23 // 3186
535 #define show_box_breadth_code 24 // 3187
536 #define show_box_depth_code 25 // 3188
537 #define hbadness_code 26 // 3189
538 #define vbadness_code 27 // 3190
539 #define pausing_code 28 // 3191
540 #define tracing_online_code 29 // 3192
541 #define tracing_macros_code 30 // 3193
542 #define tracing_stats_code 31 // 3194
543 #define tracing_paragraphs_code 32 // 3195
544 #define tracing_pages_code 33 // 3196
545 #define tracing_output_code 34 // 3197
546 #define tracing_lost_chars_code 35 // 3198
547 #define tracing_commands_code 36 // 3199
548 #define tracing_restores_code 37 // 3200
549 #define uc_hyph_code 38 // 3201
550 #define output_penalty_code 39 // 3202
551 #define max_dead_cycles_code 40 // 3203
552 #define hang_after_code 41 // 3204
553 #define floating_penalty_code 42 // 3205
554 #define global_defs_code 43 // 3206
555 #define cur_fam_code 44 // 3207
556 #define escape_char_code 45 // 3208
557 #define default_hyphen_char_code 46 // 3209
558 #define default_skew_char_code 47 // 3210
559 #define end_line_char_code 48 // 3211
560 #define new_line_char_code 49 // 3212
561 #define language_code 50 // 3213
562 #define left_hyphen_min_code 51 // 3214
563 #define right_hyphen_min_code 52 // 3215
564 #define holding_inserts_code 53 // 3216
565 #define error_context_lines_code 54 // 3217
567 #define count_base (int_base + int_pars) // 3218
568 #define del_code_base (count_base + 256) // 3474
569 #define dimen_base (del_code_base + 256) // 3730
571 #define del_code(a) eqtb[del_code_base + a].cint
572 #define count(a) eqtb[count_base + a].cint
573 #define int_par(a) eqtb[int_base + a].cint
574 #define pretolerance int_par(pretolerance_code)
575 #define tolerance int_par(tolerance_code)
576 #define line_penalty int_par(line_penalty_code)
577 #define hyphen_penalty int_par(hyphen_penalty_code)
578 #define ex_hyphen_penalty int_par(ex_hyphen_penalty_code)
579 #define club_penalty int_par(club_penalty_code)
580 #define widow_penalty int_par(widow_penalty_code)
581 #define display_widow_penalty int_par(display_widow_penalty_code)
582 #define broken_penalty int_par(broken_penalty_code)
583 #define bin_op_penalty int_par(bin_op_penalty_code)
584 #define rel_penalty int_par(rel_penalty_code)
585 #define pre_display_penalty int_par(pre_display_penalty_code)
586 #define post_display_penalty int_par(post_display_penalty_code)
587 #define inter_line_penalty int_par(inter_line_penalty_code)
588 #define double_hyphen_demerits int_par(double_hyphen_demerits_code)
589 #define final_hyphen_demerits int_par(final_hyphen_demerits_code)
590 #define adj_demerits int_par(adj_demerits_code)
591 #define mag int_par(mag_code)
592 #define delimiter_factor int_par(delimiter_factor_code)
593 #define looseness int_par(looseness_code)
594 #define tex_time int_par(time_code)
595 #define day int_par(day_code)
596 #define month int_par(month_code)
597 #define year int_par(year_code)
598 #define show_box_breadth int_par(show_box_breadth_code)
599 #define show_box_depth int_par(show_box_depth_code)
600 #define hbadness int_par(hbadness_code)
601 #define vbadness int_par(vbadness_code)
602 #define pausing int_par(pausing_code)
603 #define tracing_online int_par(tracing_online_code)
604 #define tracing_macros int_par(tracing_macros_code)
605 #define tracing_stats int_par(tracing_stats_code)
606 #define tracing_paragraphs int_par(tracing_paragraphs_code)
607 #define tracing_pages int_par(tracing_pages_code)
608 #define tracing_output int_par(tracing_output_code)
609 #define tracing_lost_chars int_par(tracing_lost_chars_code)
610 #define tracing_commands int_par(tracing_commands_code)
611 #define tracing_restores int_par(tracing_restores_code)
612 #define uc_hyph int_par(uc_hyph_code)
613 #define output_penalty int_par(output_penalty_code)
614 #define max_dead_cycles int_par(max_dead_cycles_code)
615 #define hang_after int_par(hang_after_code)
616 #define floating_penalty int_par(floating_penalty_code)
617 #define global_defs int_par(global_defs_code)
618 #define cur_fam int_par(cur_fam_code)
619 #define escape_char int_par(escape_char_code)
620 #define default_hyphen_char int_par(default_hyphen_char_code)
621 #define default_skew_char int_par(default_skew_char_code)
622 #define end_line_char int_par(end_line_char_code)
623 #define new_line_char int_par(new_line_char_code)
624 #define language int_par(language_code)
625 #define left_hyphen_min int_par(left_hyphen_min_code)
626 #define right_hyphen_min int_par(right_hyphen_min_code)
627 #define holding_inserts int_par(holding_inserts_code)
628 #define error_context_lines int_par(error_context_lines_code)
630 #define par_indent_code 0 // 3730
631 #define math_surround_code 1 // 3731
632 #define line_skip_limit_code 2 // 3732
633 #define hsize_code 3 // 3733
634 #define vsize_code 4 // 3734
635 #define max_depth_code 5 // 3735
636 #define split_max_depth_code 6 // 3736
637 #define box_max_depth_code 7 // 3737
638 #define hfuzz_code 8 // 3738
639 #define vfuzz_code 9 // 3739
640 #define delimiter_shortfall_code 10 // 3740
641 #define null_delimiter_space_code 11 // 3741
642 #define script_space_code 12 // 3742
643 #define pre_display_size_code 13 // 3743
644 #define display_width_code 14 // 3744
645 #define display_indent_code 15 // 3745
646 #define overfull_rule_code 16 // 3746
647 #define hang_indent_code 17 // 3747
648 #define h_offset_code 18 // 3748
649 #define v_offset_code 19 // 3749
650 #define emergency_stretch_code 20 // 3750
651 #define dimen_pars 21
652 #define scaled_base (dimen_base + dimen_pars) // 3751
653 #define eqtb_size (scaled_base + 255) // 4006
655 #define dimen(a) eqtb[scaled_base + a].cint
656 #define dimen_par(a) eqtb[dimen_base + a].cint
657 #define par_indent dimen_par(par_indent_code)
658 #define math_surround dimen_par(math_surround_code)
659 #define line_skip_limit dimen_par(line_skip_limit_code)
660 #define hsize dimen_par(hsize_code)
661 #define vsize dimen_par(vsize_code)
662 #define max_depth dimen_par(max_depth_code)
663 #define split_max_depth dimen_par(split_max_depth_code)
664 #define box_max_depth dimen_par(box_max_depth_code)
665 #define hfuzz dimen_par(hfuzz_code)
666 #define vfuzz dimen_par(vfuzz_code)
667 #define delimiter_shortfall dimen_par(delimiter_shortfall_code)
668 #define null_delimiter_space dimen_par(null_delimiter_space_code)
669 #define script_space dimen_par(script_space_code)
670 #define pre_display_size dimen_par(pre_display_size_code)
671 #define display_width dimen_par(display_width_code)
672 #define display_indent dimen_par(display_indent_code)
673 #define overfull_rule dimen_par(overfull_rule_code)
674 #define hang_indent dimen_par(hang_indent_code)
675 #define h_offset dimen_par(h_offset_code)
676 #define v_offset dimen_par(v_offset_code)
677 #define emergency_stretch dimen_par(emergency_stretch_code)
679 #define text(a) hash[a].rh
680 #define next(a) hash[a].lh
681 #define hash_is_full (hash_used == hash_base)
682 #define font_id_text(a) text(font_id_base + a)
684 #define save_type(a) save_stack[a].hh.b0
685 #define save_level(a) save_stack[a].hh.b1
686 #define save_index(a) save_stack[a].hh.rh
687 #define restore_old_value 0
688 #define restore_zero 1
689 #define insert_token 2
690 #define level_boundary 3
692 #define bottom_level 0
693 #define simple_group 1
695 #define adjust_hbox_group 3
698 #define align_group 6
699 #define no_align_group 7
700 #define output_group 8
702 #define disc_group 10
703 #define insert_group 11
704 #define vcenter_group 12
705 #define math_choice_group 13
706 #define semi_simple_group 14
707 #define math_shift_group 15
708 #define math_left_group 16
709 #define max_group_code 16
711 #define saved(a) save_stack[save_ptr + (a)].cint
713 #define cs_token_flag 07777 // 4095
714 #define left_brace_token 0400 // 256 = 2^8 * left_brace
715 #define left_brace_limit 01000 // 512 = 2^8 * (left_brace + 1)
716 #define right_brace_token 01000 // 512 = 2^8 * right_brace
717 #define right_brace_limit 01400 // 768 = 2^8 * (right_brace + 1)
718 #define math_shift_token 01400 // 768 = 2^8 * math_shift
719 #define tab_token 02000 // 1024 = 2^8 * tab_mark
720 #define out_param_token 02400 // 1280 = 2^8 * out_param
721 #define space_token 05040 // 2592 = 2^8 * spacer + ' '
722 #define letter_token 05400 // 2816 = 2^8 * letter
723 #define other_token 06000 // 3072 = 2^8 * other_char
724 #define match_token 06400 // 3328 = 2^8 * match
725 #define end_match_token 07000 // 3584 = 2^8 * end_match
728 #define skip_blanks 2 + max_char_code // 17
729 #define new_line 3 + max_char_code + max_char_code // 33
738 #define token_type cur_input.index_field
739 #define param_start cur_input.limit_field
746 #define output_text 6
747 #define every_par_text 7
748 #define every_math_text 8
749 #define every_display_text 9
750 #define every_hbox_text 10
751 #define every_vbox_text 11
752 #define every_job_text 12
753 #define every_cr_text 13
755 #define write_text 15
757 #define back_list(a) begin_token_list(a, backed_up)
758 #define ins_list(a) begin_token_list(a, inserted)
760 #define any_state_plus(a) mid_line + (a): case skip_blanks + (a): case new_line + (a)
762 #define add_delims_to(a) \
764 case (a) + tab_mark: \
765 case (a) + mac_param: \
766 case (a) + sub_mark: \
768 case (a) + other_char
771 #define store_new_token(a) \
780 #define fast_store_new_token(a) \
789 #define no_expand_flag 257
791 #define top_mark_code 0
792 #define first_mark_code 1
793 #define bot_mark_code 2
794 #define split_first_mark_code 3
795 #define split_bot_mark_code 4
796 #define top_mark cur_mark[top_mark_code]
797 #define first_mark cur_mark[first_mark_code]
798 #define bot_mark cur_mark[bot_mark_code]
799 #define split_first_mark cur_mark[split_first_mark_code]
800 #define split_bot_mark cur_mark[split_bot_mark_code]
809 #define input_line_no_code (glue_val + 1)
810 #define badness_code (glue_val + 2)
812 #define max_dimen 07777777777
814 #define octal_token (other_token + '\'') // 3111
815 #define hex_token (other_token + '"' ) // 3106
816 #define alpha_token (other_token + '`' ) // 3168
817 #define point_token (other_token + '.' ) // 3118
818 #define continental_point_token (other_token + ',' ) // 3116
820 #define zero_token (other_token + '0') // 3120
821 #define A_token (letter_token + 'A') // 2881
822 #define other_A_token (other_token + 'A') // 3137
824 #define set_conversion(a, b) \
831 #define number_code 0
832 #define roman_numeral_code 1
833 #define string_code 2
834 #define meaning_code 3
835 #define font_name_code 4
836 #define job_name_code 5
841 #define if_char_code 0
842 #define if_cat_code 1
843 #define if_int_code 2
844 #define if_dim_code 3
845 #define if_odd_code 4
846 #define if_vmode_code 5
847 #define if_hmode_code 6
848 #define if_mmode_code 7
849 #define if_inner_code 8
850 #define if_void_code 9
851 #define if_hbox_code 10
852 #define if_vbox_code 11
854 #define if_eof_code 13
855 #define if_true_code 14
856 #define if_false_code 15
857 #define if_case_code 16
859 #define if_node_size 2
860 #define if_line_field(a) mem[(a) + 1].cint
871 #define stop_flag 128
872 #define kern_flag 128
873 #define skip_byte(a) a.b0
874 #define next_char(a) a.b1
875 #define op_byte(a) a.b2
876 #define rem_byte(a) a.b3
878 #define ext_top(a) a.b0
879 #define ext_mid(a) a.b1
880 #define ext_bot(a) a.b2
881 #define ext_rep(a) a.b3
885 #define space_stretch_code 3
886 #define space_shrink_code 4
887 #define x_height_code 5
889 #define extra_space_code 7
892 #define non_address 0
894 #define char_info(a, b) font_info[char_base[a] + b].qqqq
895 #define char_width(a, b) font_info[width_base[a] + b.b0].cint
896 #define char_exists(a) (a.b0 > min_quarterword)
897 #define char_italic(a, b) font_info[italic_base[a] + (b.b2) / 4].cint
898 #define height_depth(a) (a.b1)
899 #define char_height(a, b) font_info[height_base[a] + (b) / 16].cint
900 #define char_depth(a, b) font_info[depth_base[a] + (b) % 16].cint
901 #define char_tag(a) (a.b2 % 4)
903 #define char_kern(a, b) font_info[kern_base[a] + 256 * op_byte(b) + rem_byte(b)].cint
904 #define kern_base_offset (256 * (128 + min_quarterword))
905 #define lig_kern_start(a, b) lig_kern_base[a] + rem_byte(b)
906 #define lig_kern_restart(a, b) lig_kern_base[a] + 256 * op_byte(b) + rem_byte(b) + 32768 - kern_base_offset
908 #define param(a, b) font_info[a + param_base[b]].cint
909 #define slant(f) param(slant_code, f)
910 #define space(f) param(space_code, f)
911 #define space_stretch(f) param(space_stretch_code, f)
912 #define space_shrink(f) param(space_shrink_code, f)
913 #define x_height(f) param(x_height_code, f)
914 #define quad(f) param(quad_code, f)
915 #define extra_space(f) param(extra_space_code, f)
917 #define read_sixteen(a) \
922 tfm_temp = getc(tfm_file); \
923 a = a * 256 + tfm_temp; \
925 #define store_four_quarters(val) \
927 tfm_temp = getc(tfm_file); \
930 tfm_temp = getc(tfm_file); \
933 tfm_temp = getc(tfm_file); \
936 tfm_temp = getc(tfm_file); \
943 #define set1 128 // c[1]
944 #define set2 129 // c[2]
945 #define set3 130 // c[3]
946 #define set4 131 // c[4]
947 #define set_rule 132 // a[4] b[4]
948 #define put1 133 // c[1]
949 #define put2 134 // c[2]
950 #define put3 135 // c[3]
951 #define put4 136 // c[4]
952 #define put_rule 137 // a[4] b[4]
953 #define nop 138 // NULL
954 #define bop 139 // c0[4] c1[4] ... c9[4] p[4]
955 #define eop 140 // NULL
956 //#define dvi_push 141
957 //#define dvi_pop 142
958 #define right1 143 // b[1]
959 #define right2 144 // b[2]
960 #define right3 145 // b[3]
961 #define right4 146 // b[4]
963 #define w1 148 // b[1]
964 #define w2 149 // b[2]
965 #define w3 150 // b[3]
966 #define w4 151 // b[4]
968 #define x1 153 // b[1]
969 #define x2 154 // b[2]
970 #define x3 155 // b[3]
971 #define x4 156 // b[4]
972 #define down1 157 // a[1]
973 #define down2 158 // a[2]
974 #define down3 159 // a[3]
975 #define down4 160 // a[4]
977 #define y1 162 // a[1]
978 #define y2 163 // a[2]
979 #define y3 164 // a[3]
980 #define y4 165 // a[4]
982 #define z1 167 // a[1]
983 #define z2 168 // a[2]
984 #define z3 169 // a[3]
985 #define z4 170 // a[4]
986 #define fnt_num_0 171 //
987 #define fnt1 235 // k[1]
988 #define fnt2 236 // k[2]
989 #define fnt3 237 // k[3]
990 #define fnt4 238 // k[4]
991 #define xxx1 239 // k[1] x[k]
992 #define xxx2 240 // k[2] x[k]
993 #define xxx3 241 // k[3] x[k]
994 #define xxx4 242 // k[4] x[k]
995 #define fnt_def1 243 // k[1] c[4] s[4] d[4] a[1] l[1] n[a + l]
996 #define fnt_def2 244 // k[2] c[4] s[4] d[4] a[1] l[1] n[a + l]
997 #define fnt_def3 245 // k[3] c[4] s[4] d[4] a[1] l[1] n[a + l]
998 #define fnt_def4 246 // k[4] c[4] s[4] d[4] a[1] l[1] n[a + l]
999 #define pre 247 // i[1] num[4] den[4] mag[4] k[1] x[k]
1001 #define post_post 249 //
1005 #define movement_node_size 3
1006 #define location(a) mem[a + 2].cint
1020 #define additional 1
1022 #define u_part(a) mem[(a) + height_offset].cint
1023 #define v_part(a) mem[(a) + depth_offset].cint
1024 #define extra_info(a) info((a) + list_offset)
1027 #define nucleus(a) ((a) + 1)
1028 #define supscr(a) ((a) + 2)
1029 #define subscr(a) ((a) + 3)
1030 #define math_type link
1035 #define math_text_char 4
1037 #define ord_noad (unset_node + 3) // 16
1038 #define op_noad (ord_noad + 1 ) // 17
1039 #define bin_noad (ord_noad + 2 ) // 18
1040 #define rel_noad (ord_noad + 3 ) // 19
1041 #define open_noad (ord_noad + 4 ) // 20
1042 #define close_noad (ord_noad + 5 ) // 21
1043 #define punct_noad (ord_noad + 6 ) // 22
1044 #define inner_noad (ord_noad + 7 ) // 23
1048 #define left_delimiter(a) ((a) + 4)
1049 #define right_delimiter(a) ((a) + 5)
1050 #define radical_noad (inner_noad + 1) // 24
1051 #define radical_noad_size 5
1052 #define fraction_noad (radical_noad + 1) // 25
1053 #define fraction_noad_size 6
1054 #define small_fam(a) mem[(a)].qqqq.b0
1055 #define small_char(a) mem[(a)].qqqq.b1
1056 #define large_fam(a) mem[(a)].qqqq.b2
1057 #define large_char(a) mem[(a)].qqqq.b3
1058 #define thickness width
1059 #define default_code 010000000000L
1060 #define numerator supscr
1061 #define denominator subscr
1063 #define under_noad (fraction_noad + 1) // 26
1064 #define over_noad (under_noad + 1 ) // 27
1065 #define accent_noad (over_noad + 1 ) // 28
1066 #define accent_noad_size 5
1067 #define accent_chr(a) (a) + 4
1068 #define vcenter_noad (accent_noad + 1 ) // 29
1069 #define left_noad (vcenter_noad + 1 ) // 30
1070 #define right_noad (left_noad + 1 ) // 31
1071 #define delimiter nucleus
1072 #define script_allowed(a) ((type(a) >= ord_noad) && (type(a) < left_noad))
1074 #define style_node (unset_node + 1)
1075 #define style_node_size 3
1076 #define display_style 0
1077 #define text_style 2
1078 #define script_style 4
1079 #define script_script_style 6
1082 #define choice_node (unset_node + 2)
1083 #define display_mlist(a) info(a + 1)
1084 #define text_mlist(a) link(a + 1)
1085 #define script_mlist(a) info(a + 2)
1086 #define script_script_mlist(a) link(a + 2)
1089 #define script_size 16
1090 #define script_script_size 32
1092 #define mathsy(a, b) font_info[a + param_base[fam_fnt(2 + b)]].cint
1093 #define math_x_height(a) mathsy(5, a)
1094 #define math_quad(a) mathsy(6, a)
1095 #define num1(a) mathsy(8, a)
1096 #define num2(a) mathsy(9, a)
1097 #define num3(a) mathsy(10, a)
1098 #define denom1(a) mathsy(11, a)
1099 #define denom2(a) mathsy(12, a)
1100 #define sup1(a) mathsy(13, a)
1101 #define sup2(a) mathsy(14, a)
1102 #define sup3(a) mathsy(15, a)
1103 #define sub1(a) mathsy(16, a)
1104 #define sub2(a) mathsy(17, a)
1105 #define sup_drop(a) mathsy(18, a)
1106 #define sub_drop(a) mathsy(19, a)
1107 #define delim1(a) mathsy(20, a)
1108 #define delim2(a) mathsy(21, a)
1109 #define axis_height(a) mathsy(22, a)
1110 #define total_mathsy_params 22
1112 #define mathex(a) font_info[(a) + param_base[fam_fnt(3 + cur_size)]].cint
1113 #define default_rule_thickness mathex(8)
1114 #define big_op_spacing1 mathex(9)
1115 #define big_op_spacing2 mathex(10)
1116 #define big_op_spacing3 mathex(11)
1117 #define big_op_spacing4 mathex(12)
1118 #define big_op_spacing5 mathex(13)
1119 #define total_mathex_params 13
1121 #define cramped_style(a) (2 * ((a) / 2) + cramped)
1122 #define sub_style(a) (2 * ((a) / 4) + script_style + cramped)
1123 #define sup_style(a) (2 * ((a) / 4) + script_style + ((a) % 2))
1124 #define num_style(a) ((a) + 2 - 2 * ((a) / 6))
1125 #define denom_style(a) (2 * ((a) / 2) + cramped + 2 - 2 * ((a) / 6))
1127 #define new_hlist(a) mem[nucleus(a)].cint
1129 #define preamble link(align_head)
1130 #define align_stack_node_size 5
1132 #define span_code 256
1134 #define cr_cr_code (cr_code + 1)
1135 #define end_template_token (cs_token_flag + frozen_end_template)
1137 #define span_node_size 2
1141 #define very_loose_fit 0
1142 #define decent_fit 2
1144 #define active_node_size 3
1145 #define fitness subtype
1146 #define break_node rlink
1147 #define line_number llink
1148 #define total_demerits(a) mem[a + 2].cint
1149 #define unhyphenated 0
1150 #define hyphenated 1
1151 #define last_active active
1153 #define passive_node_size 2
1154 #define cur_break rlink
1155 #define prev_break llink
1158 #define delta_node_size 7
1159 #define delta_node 2
1161 #define do_all_six(a) a(1); a(2); a(3); a(4); a(5); a(6)
1163 #define copy_to_cur_active(a) cur_active_width[a] = active_width[a]
1165 #define update_width(a) cur_active_width[a] = cur_active_width[a] + mem[r + (a)].cint
1167 #define awful_bad 07777777777
1169 #define set_break_width_to_background(a) break_width[a] = background[a]
1171 #define convert_to_break_width(a) mem[prev_r + (a)].cint = mem[prev_r + (a)].cint - cur_active_width[a] + break_width[a]
1172 #define store_break_width(a) active_width[a] = break_width[a]
1173 #define new_delta_to_break_width(a) mem[q + (a)].cint = break_width[(a)] - cur_active_width[(a)]
1175 #define new_delta_from_break_width(a) mem[q + (a)].cint = cur_active_width[(a)] - break_width[(a)]
1177 #define combine_two_deltas(a) mem[prev_r + (a)].cint = mem[prev_r + (a)].cint + mem[r + (a)].cint
1178 #define downdate_width(a) cur_active_width[(a)] = cur_active_width[(a)] - mem[prev_r + (a)].cint
1180 #define update_active(a) active_width[(a)] = active_width[(a)] + mem[r + (a)].cint
1182 #define next_break prev_break
1184 #define append_charnode_to_t(a) \
1186 link(t) = get_avail(); \
1189 character(t) = (a); \
1191 #define set_cur_r() \
1194 cur_r = hu[j + 1]; \
1201 cur_rh = non_char; \
1204 #define wrap_lig(a) \
1205 if (ligature_present) \
1207 p = new_ligature(hf, cur_l, link(cur_q)); \
1216 if (lig_stack == 0) \
1224 ligature_present = false; \
1226 #define pop_lig_stack() \
1228 if (lig_ptr(lig_stack) != 0) \
1230 link(t) = lig_ptr(lig_stack); \
1236 lig_stack = link(p); \
1237 free_node(p, small_node_size); \
1239 if (lig_stack == 0) \
1244 cur_r = character(lig_stack); \
1247 #define advance_major_tail() \
1249 major_tail = link(major_tail); \
1253 #define active_height active_width
1254 #define cur_height active_height[1]
1255 #define set_height_zero(a) active_width[(a)] = 0
1257 #define deplorable 100000L
1259 #define inserts_only 1
1262 #define page_ins_node_size 4
1265 #define broken_ptr(a) link(a + 1)
1266 #define broken_ins(a) info(a + 1)
1267 #define last_ins_ptr(a) link(a + 2)
1268 #define best_ins_ptr(a) info(a + 2)
1270 #define page_goal page_so_far[0]
1271 #define page_total page_so_far[1]
1272 #define page_shrink page_so_far[6]
1273 #define page_depth page_so_far[7]
1275 #define set_page_so_far_zero(a) page_so_far[(a)] = 0
1277 #define adjust_space_factor() \
1279 main_s = sf_code(cur_chr); \
1280 if (main_s == 1000) \
1281 space_factor = 1000; \
1282 else if (main_s < 1000) \
1285 space_factor = main_s; \
1287 else if (space_factor < 1000) \
1288 space_factor = 1000; \
1290 space_factor = main_s; \
1296 if (cur_l < non_char) \
1298 if (link(cur_q) != 0) \
1299 if (character(tail) == hyphen_char[main_f]) \
1302 if (ligature_present) \
1304 main_p = new_ligature(main_f, cur_l, link(cur_q)); \
1308 subtype(main_p) = 2; \
1313 if (lig_stack == 0) \
1315 incr(subtype(main_p)); \
1319 link(cur_q) = main_p; \
1321 ligature_present = false; \
1330 tail_append(new_disc()); \
1336 #define any_mode(a) vmode + a: case hmode + a: case mmode + a
1338 #define non_math(a) vmode + a: case hmode + a
1343 #define fil_neg_code 3
1345 #define mskip_code 5
1347 #define box_flag 010000000000
1348 #define ship_out_flag (box_flag + 512)
1349 #define leader_flag (box_flag + 513)
1352 #define last_box_code 2
1353 #define vsplit_code 3
1356 #define above_code 0
1359 #define delimited_code 3
1361 #define char_def_code 0
1362 #define math_char_def_code 1
1363 #define count_def_code 2
1364 #define dimen_def_code 3
1365 #define skip_def_code 4
1366 #define mu_skip_def_code 5
1367 #define toks_def_code 6
1370 #define show_box_code 1
1371 #define show_the_code 2
1372 #define show_lists 3
1374 #define write_node_size 2
1375 #define open_node_size 3
1377 #define write_node 1
1378 #define close_node 2
1379 #define special_node 3
1380 #define language_node 4
1381 #define what_lang(s) link(s+1)
1382 #define what_lhm(s) type(s+1)
1383 #define what_rhm(s) subtype(s+1)
1384 #define write_tokens(s) link(s+1)
1385 #define write_stream(s) info(s+1)
1386 #define open_name(s) link(s+1)
1387 #define open_area(s) info(s+2)
1388 #define open_ext(s) link(s+2)
1390 #define immediate_code 4
1391 #define set_language_code 5
1393 #define end_write_token (cs_token_flag + end_write)