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.v.RH
70 #define info(p) mem[(p)].hh.v.LH
72 #define empty_flag max_halfword
73 #define is_empty(a) (link(a) = empty_flag)
74 #define node_size info
75 #define llink(a) info(a+1)
76 #define rlink(a) link(a+1)
78 #define type(a) mem[a].hh.b0
79 #define subtype(a) mem[a].hh.b1
81 #define is_char_node(a) (a >= hi_mem_min)
83 #define character subtype
86 #define box_node_size 7
87 #define width_offset 1
88 #define depth_offset 2
89 #define height_offset 3
90 #define width(a) mem[a + width_offset].cint
91 #define depth(a) mem[a + depth_offset].cint
92 #define height(a) mem[a + height_offset].cint
93 #define shift_amount(a) mem[a + 4].cint
95 #define list_ptr(a) link(a + list_offset)
96 #define glue_order(a) subtype(a + list_offset)
97 #define glue_sign(a) type(a + list_offset)
101 #define glue_offset 6
102 #define glue_set(a) mem[a + glue_offset].gr
107 #define rule_node_size 4
108 #define null_flag -010000000000L
109 #define is_running(a) (a = null_flag)
112 #define ins_node_size 5
113 #define float_cost(a) mem[a + 1].cint
114 #define ins_ptr(a) info(a + 4)
115 #define split_top_ptr(a) link(a + 4)
118 #define small_node_size 2
119 #define mark_ptr(a) mem[a + 1].cint
121 #define adjust_node 5
122 #define adjust_ptr mark_ptr
124 #define ligature_node 6
125 #define lig_char(a) (a + 1)
126 #define lig_ptr(a) link(lig_char(a))
129 #define replace_count subtype
130 #define pre_break llink
131 #define post_break rlink
133 #define whatsit_node 8
139 #define precedes_break(a) (type(a) < math_node)
140 #define non_discardable(a) (type(a) < math_node)
143 #define cond_math_glue 98
145 #define a_leaders 100
146 #define c_leaders 101
147 #define x_leaders 102
148 #define glue_ptr llink
149 #define leader_ptr rlink
151 #define glue_spec_size 4
152 #define glue_ref_count(a) link(a)
153 #define stretch(a) mem[a + 2].cint
154 #define shrink(a) mem[a + 3].cint
155 #define stretch_order type
156 #define shrink_order subtype
165 #define penalty_node 12
166 #define inf_penalty inf_bad
167 #define eject_penalty -inf_bad
168 #define penalty(a) mem[a + 1].cint
170 #define unset_node 13
171 #define glue_stretch(a) mem[a + glue_offset].cint
172 #define glue_shrink shift_amount
173 #define span_count subtype
175 #define zero_glue mem_bot // 0
176 #define fil_glue (zero_glue + glue_spec_size) // 4
177 #define fill_glue (fil_glue + glue_spec_size) // 8
178 #define ss_glue (fill_glue + glue_spec_size) // 12
179 #define fil_neg_glue (ss_glue + glue_spec_size) // 16
180 #define lo_mem_stat_max (fil_neg_glue + glue_spec_size - 1) // 19
181 #define page_ins_head mem_top
182 #define contrib_head (mem_top - 1)
183 #define page_head (mem_top - 2)
184 #define temp_head (mem_top - 3)
185 #define hold_head (mem_top - 4)
186 #define adjust_head (mem_top - 5)
187 #define active (mem_top - 7)
188 #define align_head (mem_top - 8)
189 #define end_span (mem_top - 9)
190 #define omit_template (mem_top - 10)
191 #define null_list (mem_top - 11)
192 #define lig_trick (mem_top - 12)
193 #define garbage (mem_top - 12)
194 #define backup_head (mem_top - 13)
195 #define hi_mem_stat_min (mem_top - 13)
196 #define hi_mem_stat_usage 14
198 #define token_ref_count(a) info(a)
200 #define add_token_ref(a) incr(token_ref_count(a))
201 #define add_glue_ref(a) incr(glue_ref_count(a))
206 #define right_brace 2
218 #define other_char 12
219 #define active_char 13
225 #define invalid_char 15
227 #define max_char_code 15
230 #define math_char_num 17
238 #define remove_item 25
244 #define leader_ship 31
252 #define ignore_spaces 39
253 #define after_assignment 40
254 #define after_group 41
255 #define break_penalty 42
259 #define math_accent 46
260 #define discretionary 47
262 #define left_right 49
264 #define limit_switch 51
266 #define math_style 53
267 #define math_choice 54
268 #define non_script 55
270 #define case_shift 57
274 #define begin_group 61
278 #define no_boundary 65
280 #define end_cs_name 67
281 #define min_internal 68
282 #define char_given 68
283 #define math_given 69
285 #define max_non_prefixed_command 70
287 #define toks_register 71
288 #define assign_toks 72
289 #define assign_int 73
290 #define assign_dimen 74
291 #define assign_glue 75
292 #define assign_mu_glue 76
293 #define assign_font_dimen 77
294 #define assign_font_int 78
296 #define set_prev_graf 80
297 #define set_page_dimen 81
298 #define set_page_int 82
299 #define set_box_dimen 83
302 #define def_family 86
305 #define tex_register 89
306 #define max_internal 89
312 #define shorthand_def 95
313 #define read_to_cs 96
317 #define set_interaction 100
318 #define max_command 100
320 #define undefined_cs (max_command + 1)
321 #define expand_after (max_command + 2)
322 #define no_expand (max_command + 3)
323 #define input (max_command + 4)
324 #define if_test (max_command + 5)
325 #define fi_or_else (max_command + 6)
326 #define cs_name (max_command + 7)
327 #define convert (max_command + 8)
328 #define the (max_command + 9)
329 #define top_bot_mark (max_command + 10)
330 #define call (max_command + 11)
331 #define long_call (max_command + 12)
332 #define outer_call (max_command + 13)
333 #define long_outer_call (max_command + 14)
334 #define end_template (max_command + 15)
335 #define dont_expand (max_command + 16)
336 #define glue_ref (max_command + 17)
337 #define shape_ref (max_command + 18)
338 #define box_ref (max_command + 19)
339 #define data (max_command + 20)
342 #define hmode (vmode + max_command + 1)
343 #define mmode (hmode + max_command + 1)
345 #define ignore_depth -65536000L
347 #define mode cur_list.mode_field
348 #define head cur_list.head_field
349 #define tail cur_list.tail_field
350 #define aux cur_list.aux_field
351 #define prev_depth aux.cint
352 #define space_factor aux.hh.v.LH
353 #define clang aux.hh.v.RH
354 #define incompleat_noad aux.cint
355 #define prev_graf cur_list.pg_field
356 #define mode_line cur_list.ml_field
358 #define eq_level_field(a) a.hh.b1
359 #define eq_type_field(a) a.hh.b0
360 #define equiv_field(a) a.hh.v.RH
361 #define eq_level(a) eq_level_field(eqtb[a])
362 #define eq_type(a) eq_type_field(eqtb[a])
363 #define equiv(a) equiv_field(eqtb[a])
364 #define level_zero min_quarterword
365 #define level_one level_zero + 1
367 #define active_base 1 // 1
368 #define single_base (active_base + 256) // 257
369 #define null_cs (single_base + 256) // 513
370 #define hash_base (null_cs + 1) // 514
371 #define frozen_control_sequence (hash_base + hash_size + hash_extra) // (hash_size + hash_extra + 514)
372 #define frozen_protection frozen_control_sequence // (hash_size + hash_extra + 514)
373 #define frozen_cr (frozen_control_sequence + 1) // (hash_size + hash_extra + 515)
374 #define frozen_end_group (frozen_control_sequence + 2) // (hash_size + hash_extra + 516)
375 #define frozen_right (frozen_control_sequence + 3) // (hash_size + hash_extra + 517)
376 #define frozen_fi (frozen_control_sequence + 4) // (hash_size + hash_extra + 518)
377 #define frozen_end_template (frozen_control_sequence + 5) // (hash_size + hash_extra + 519)
378 #define frozen_endv (frozen_control_sequence + 6) // (hash_size + hash_extra + 520)
379 #define frozen_relax (frozen_control_sequence + 7) // (hash_size + hash_extra + 521)
380 #define end_write (frozen_control_sequence + 8) // (hash_size + hash_extra + 522)
381 #define frozen_dont_expand (frozen_control_sequence + 9) // (hash_size + hash_extra + 523)
382 #define frozen_null_font (frozen_control_sequence + 10) // (hash_size + hash_extra + 524)
383 #define font_id_base (frozen_null_font - font_base) // (hash_size + hash_extra + 524)
384 #define undefined_control_sequence (frozen_null_font + 1025) // (hash_size + hash_extra + 781) = font_max + 2
385 // (hash_size + (255 - 1023) + 1025 + 524)
387 #define glue_base (undefined_control_sequence + 1) // (hash_size + 782)
389 #define line_skip_code 0 // 782
390 #define baseline_skip_code 1 // 783
391 #define par_skip_code 2 // 784
392 #define above_display_skip_code 3 // 785
393 #define below_display_skip_code 4 // 786
394 #define above_display_short_skip_code 5 // 787
395 #define below_display_short_skip_code 6 // 788
396 #define left_skip_code 7 // 789
397 #define right_skip_code 8 // 790
398 #define top_skip_code 9 // 791
399 #define split_top_skip_code 10 // 792
400 #define tab_skip_code 11 // 793
401 #define space_skip_code 12 // 794
402 #define xspace_skip_code 13 // 795
403 #define par_fill_skip_code 14 // 796
404 #define thin_mu_skip_code 15 // 797
405 #define med_mu_skip_code 16 // 798
406 #define thick_mu_skip_code 17 // 799
407 #define glue_pars 18 // 800
408 #define skip_base (glue_base + glue_pars) // 800
409 #define mu_skip_base (skip_base + 256) // 1056
410 #define local_base (mu_skip_base + 256) // 1312
412 #define skip(a) equiv(skip_base + a)
413 #define mu_skip(a) equiv(mu_skip_base + a)
414 #define glue_par(a) equiv(glue_base + a)
415 #define line_skip glue_par(line_skip_code)
416 #define baseline_skip glue_par(baseline_skip_code)
417 #define par_skip glue_par(par_skip_code)
418 #define above_display_skip glue_par(above_display_skip_code)
419 #define below_display_skip glue_par(below_display_skip_code)
420 #define above_display_short_skip glue_par(above_display_short_skip_code)
421 #define below_display_short_skip glue_par(below_display_short_skip_code)
422 #define left_skip glue_par(left_skip_code)
423 #define right_skip glue_par(right_skip_code)
424 #define top_skip glue_par(top_skip_code)
425 #define split_top_skip glue_par(split_top_skip_code)
426 #define tab_skip glue_par(tab_skip_code)
427 #define space_skip glue_par(space_skip_code)
428 #define xspace_skip glue_par(xspace_skip_code)
429 #define par_fill_skip glue_par(par_fill_skip_code)
430 #define thin_mu_skip glue_par(thin_mu_skip_code)
431 #define med_mu_skip glue_par(med_mu_skip_code)
432 #define thick_mu_skip glue_par(thick_mu_skip_code)
434 #define par_shape_loc local_base // 1312
435 #define output_routine_loc (local_base + 1) // 1313
436 #define every_par_loc (local_base + 2) // 1314
437 #define every_math_loc (local_base + 3) // 1315
438 #define every_display_loc (local_base + 4) // 1316
439 #define every_hbox_loc (local_base + 5) // 1317
440 #define every_vbox_loc (local_base + 6) // 1318
441 #define every_job_loc (local_base + 7) // 1319
442 #define every_cr_loc (local_base + 8) // 1320
443 #define err_help_loc (local_base + 9) // 1321
444 #define toks_base (local_base + 10) // 1322
445 #define box_base (toks_base + 256) // 1578
446 #define cur_font_loc (box_base + 256) // 1834
447 #define math_font_base (cur_font_loc + 1) // 1835
448 #define cat_code_base (math_font_base + 48) // 1883
449 #define lc_code_base (cat_code_base + 256) // 2139
450 #define uc_code_base (lc_code_base + 256) // 2395
451 #define sf_code_base (uc_code_base + 256) // 2651
452 #define math_code_base (sf_code_base + 256) // 2907
453 #define int_base (math_code_base + 256) // 3163
455 #define par_shape_ptr equiv(par_shape_loc)
456 #define output_routine equiv(output_routine_loc)
457 #define every_par equiv(every_par_loc)
458 #define every_math equiv(every_math_loc)
459 #define every_display equiv(every_display_loc)
460 #define every_hbox equiv(every_hbox_loc)
461 #define every_vbox equiv(every_vbox_loc)
462 #define every_job equiv(every_job_loc)
463 #define every_cr equiv(every_cr_loc)
464 #define err_help equiv(err_help_loc)
465 #define toks(a) equiv(toks_base + a)
466 #define box(a) equiv(box_base + a)
467 #define cur_font equiv(cur_font_loc)
468 #define fam_fnt(a) equiv(math_font_base + a)
469 #define cat_code(a) equiv(cat_code_base + a)
470 #define lc_code(a) equiv(lc_code_base + a)
471 #define uc_code(a) equiv(uc_code_base + a)
472 #define sf_code(a) equiv(sf_code_base + a)
473 #define math_code(a) equiv(math_code_base + a)
475 #define null_font font_base
476 #define var_code 070000
478 #define pretolerance_code 0 // 3163
479 #define tolerance_code 1 // 3164
480 #define line_penalty_code 2 // 3165
481 #define hyphen_penalty_code 3 // 3166
482 #define ex_hyphen_penalty_code 4 // 3167
483 #define club_penalty_code 5 // 3168
484 #define widow_penalty_code 6 // 3169
485 #define display_widow_penalty_code 7 // 3170
486 #define broken_penalty_code 8 // 3171
487 #define bin_op_penalty_code 9 // 3172
488 #define rel_penalty_code 10 // 3173
489 #define pre_display_penalty_code 11 // 3174
490 #define post_display_penalty_code 12 // 3175
491 #define inter_line_penalty_code 13 // 3176
492 #define double_hyphen_demerits_code 14 // 3177
493 #define final_hyphen_demerits_code 15 // 3178
494 #define adj_demerits_code 16 // 3179
495 #define mag_code 17 // 3180
496 #define delimiter_factor_code 18 // 3181
497 #define looseness_code 19 // 3182
498 #define time_code 20 // 3183
499 #define day_code 21 // 3184
500 #define month_code 22 // 3185
501 #define year_code 23 // 3186
502 #define show_box_breadth_code 24 // 3187
503 #define show_box_depth_code 25 // 3188
504 #define hbadness_code 26 // 3189
505 #define vbadness_code 27 // 3190
506 #define pausing_code 28 // 3191
507 #define tracing_online_code 29 // 3192
508 #define tracing_macros_code 30 // 3193
509 #define tracing_stats_code 31 // 3194
510 #define tracing_paragraphs_code 32 // 3195
511 #define tracing_pages_code 33 // 3196
512 #define tracing_output_code 34 // 3197
513 #define tracing_lost_chars_code 35 // 3198
514 #define tracing_commands_code 36 // 3199
515 #define tracing_restores_code 37 // 3200
516 #define uc_hyph_code 38 // 3201
517 #define output_penalty_code 39 // 3202
518 #define max_dead_cycles_code 40 // 3203
519 #define hang_after_code 41 // 3204
520 #define floating_penalty_code 42 // 3205
521 #define global_defs_code 43 // 3206
522 #define cur_fam_code 44 // 3207
523 #define escape_char_code 45 // 3208
524 #define default_hyphen_char_code 46 // 3209
525 #define default_skew_char_code 47 // 3210
526 #define end_line_char_code 48 // 3211
527 #define new_line_char_code 49 // 3212
528 #define language_code 50 // 3213
529 #define left_hyphen_min_code 51 // 3214
530 #define right_hyphen_min_code 52 // 3215
531 #define holding_inserts_code 53 // 3216
532 #define error_context_lines_code 54 // 3217
534 #define count_base (int_base + int_pars) // 3218
535 #define del_code_base (count_base + 256) // 3474
536 #define dimen_base (del_code_base + 256) // 3730
538 #define del_code(a) eqtb[del_code_base + a].cint
539 #define count(a) eqtb[count_base + a].cint
540 #define int_par(a) eqtb[int_base + a].cint
541 #define pretolerance int_par(pretolerance_code)
542 #define tolerance int_par(tolerance_code)
543 #define line_penalty int_par(line_penalty_code)
544 #define hyphen_penalty int_par(hyphen_penalty_code)
545 #define ex_hyphen_penalty int_par(ex_hyphen_penalty_code)
546 #define club_penalty int_par(club_penalty_code)
547 #define widow_penalty int_par(widow_penalty_code)
548 #define display_widow_penalty int_par(display_widow_penalty_code)
549 #define broken_penalty int_par(broken_penalty_code)
550 #define bin_op_penalty int_par(bin_op_penalty_code)
551 #define rel_penalty int_par(rel_penalty_code)
552 #define pre_display_penalty int_par(pre_display_penalty_code)
553 #define post_display_penalty int_par(post_display_penalty_code)
554 #define inter_line_penalty int_par(inter_line_penalty_code)
555 #define double_hyphen_demerits int_par(double_hyphen_demerits_code)
556 #define final_hyphen_demerits int_par(final_hyphen_demerits_code)
557 #define adj_demerits int_par(adj_demerits_code)
558 #define mag int_par(mag_code)
559 #define delimiter_factor int_par(delimiter_factor_code)
560 #define looseness int_par(looseness_code)
561 #define tex_time int_par(time_code)
562 #define day int_par(day_code)
563 #define month int_par(month_code)
564 #define year int_par(year_code)
565 #define show_box_breadth int_par(show_box_breadth_code)
566 #define show_box_depth int_par(show_box_depth_code)
567 #define hbadness int_par(hbadness_code)
568 #define vbadness int_par(vbadness_code)
569 #define pausing int_par(pausing_code)
570 #define tracing_online int_par(tracing_online_code)
571 #define tracing_macros int_par(tracing_macros_code)
572 #define tracing_stats int_par(tracing_stats_code)
573 #define tracing_paragraphs int_par(tracing_paragraphs_code)
574 #define tracing_pages int_par(tracing_pages_code)
575 #define tracing_output int_par(tracing_output_code)
576 #define tracing_lost_chars int_par(tracing_lost_chars_code)
577 #define tracing_commands int_par(tracing_commands_code)
578 #define tracing_restores int_par(tracing_restores_code)
579 #define uc_hyph int_par(uc_hyph_code)
580 #define output_penalty int_par(output_penalty_code)
581 #define max_dead_cycles int_par(max_dead_cycles_code)
582 #define hang_after int_par(hang_after_code)
583 #define floating_penalty int_par(floating_penalty_code)
584 #define global_defs int_par(global_defs_code)
585 #define cur_fam int_par(cur_fam_code)
586 #define escape_char int_par(escape_char_code)
587 #define default_hyphen_char int_par(default_hyphen_char_code)
588 #define default_skew_char int_par(default_skew_char_code)
589 #define end_line_char int_par(end_line_char_code)
590 #define new_line_char int_par(new_line_char_code)
591 #define language int_par(language_code)
592 #define left_hyphen_min int_par(left_hyphen_min_code)
593 #define right_hyphen_min int_par(right_hyphen_min_code)
594 #define holding_inserts int_par(holding_inserts_code)
595 #define error_context_lines int_par(error_context_lines_code)
597 #define par_indent_code 0 // 3730
598 #define math_surround_code 1 // 3731
599 #define line_skip_limit_code 2 // 3732
600 #define hsize_code 3 // 3733
601 #define vsize_code 4 // 3734
602 #define max_depth_code 5 // 3735
603 #define split_max_depth_code 6 // 3736
604 #define box_max_depth_code 7 // 3737
605 #define hfuzz_code 8 // 3738
606 #define vfuzz_code 9 // 3739
607 #define delimiter_shortfall_code 10 // 3740
608 #define null_delimiter_space_code 11 // 3741
609 #define script_space_code 12 // 3742
610 #define pre_display_size_code 13 // 3743
611 #define display_width_code 14 // 3744
612 #define display_indent_code 15 // 3745
613 #define overfull_rule_code 16 // 3746
614 #define hang_indent_code 17 // 3747
615 #define h_offset_code 18 // 3748
616 #define v_offset_code 19 // 3749
617 #define emergency_stretch_code 20 // 3750
618 #define dimen_pars 21
619 #define scaled_base (dimen_base + dimen_pars) // 3751
620 #define eqtb_size (scaled_base + 255) // 4006
622 #define dimen(a) eqtb[scaled_base + a].cint
623 #define dimen_par(a) eqtb[dimen_base + a].cint
624 #define par_indent dimen_par(par_indent_code)
625 #define math_surround dimen_par(math_surround_code)
626 #define line_skip_limit dimen_par(line_skip_limit_code)
627 #define hsize dimen_par(hsize_code)
628 #define vsize dimen_par(vsize_code)
629 #define max_depth dimen_par(max_depth_code)
630 #define split_max_depth dimen_par(split_max_depth_code)
631 #define box_max_depth dimen_par(box_max_depth_code)
632 #define hfuzz dimen_par(hfuzz_code)
633 #define vfuzz dimen_par(vfuzz_code)
634 #define delimiter_shortfall dimen_par(delimiter_shortfall_code)
635 #define null_delimiter_space dimen_par(null_delimiter_space_code)
636 #define script_space dimen_par(script_space_code)
637 #define pre_display_size dimen_par(pre_display_size_code)
638 #define display_width dimen_par(display_width_code)
639 #define display_indent dimen_par(display_indent_code)
640 #define overfull_rule dimen_par(overfull_rule_code)
641 #define hang_indent dimen_par(hang_indent_code)
642 #define h_offset dimen_par(h_offset_code)
643 #define v_offset dimen_par(v_offset_code)
644 #define emergency_stretch dimen_par(emergency_stretch_code)
646 #define text(a) hash[a].v.RH
647 #define next(a) hash[a].v.LH
648 #define hash_is_full (hash_used == hash_base)
649 #define font_id_text(a) text(font_id_base + a)
651 #define save_type(a) save_stack[a].hh.b0
652 #define save_level(a) save_stack[a].hh.b1
653 #define save_index(a) save_stack[a].hh.v.RH
654 #define restore_old_value 0
655 #define restore_zero 1
656 #define insert_token 2
657 #define level_boundary 3
659 #define bottom_level 0
660 #define simple_group 1
662 #define adjust_hbox_group 3
665 #define align_group 6
666 #define no_align_group 7
667 #define output_group 8
669 #define disc_group 10
670 #define insert_group 11
671 #define vcenter_group 12
672 #define math_choice_group 13
673 #define semi_simple_group 14
674 #define math_shift_group 15
675 #define math_left_group 16
676 #define max_group_code 16
678 #define saved(a) save_stack[save_ptr + (a)].cint
680 #define cs_token_flag 07777 // 4095
681 #define left_brace_token 0400 // 256 = 2^8 * left_brace
682 #define left_brace_limit 01000 // 512 = 2^8 * (left_brace + 1)
683 #define right_brace_token 01000 // 512 = 2^8 * right_brace
684 #define right_brace_limit 01400 // 768 = 2^8 * (right_brace + 1)
685 #define math_shift_token 01400 // 768 = 2^8 * math_shift
686 #define tab_token 02000 // 1024 = 2^8 * tab_mark
687 #define out_param_token 02400 // 1280 = 2^8 * out_param
688 #define space_token 05040 // 2592 = 2^8 * spacer + ' '
689 #define letter_token 05400 // 2816 = 2^8 * letter
690 #define other_token 06000 // 3072 = 2^8 * other_char
691 #define match_token 06400 // 3328 = 2^8 * match
692 #define end_match_token 07000 // 3584 = 2^8 * end_match
695 #define skip_blanks 2 + max_char_code // 17
696 #define new_line 3 + max_char_code + max_char_code // 33
705 #define token_type cur_input.index_field
706 #define param_start cur_input.limit_field
713 #define output_text 6
714 #define every_par_text 7
715 #define every_math_text 8
716 #define every_display_text 9
717 #define every_hbox_text 10
718 #define every_vbox_text 11
719 #define every_job_text 12
720 #define every_cr_text 13
722 #define write_text 15
724 #define back_list(a) begin_token_list(a, backed_up)
725 #define ins_list(a) begin_token_list(a, inserted)
727 #define any_state_plus(a) mid_line + (a): case skip_blanks + (a): case new_line + (a)
729 #define add_delims_to(a) \
731 case (a) + tab_mark: \
732 case (a) + mac_param: \
733 case (a) + sub_mark: \
735 case (a) + other_char
737 #define no_expand_flag 257
739 #define top_mark_code 0
740 #define first_mark_code 1
741 #define bot_mark_code 2
742 #define split_first_mark_code 3
743 #define split_bot_mark_code 4
744 #define top_mark cur_mark[top_mark_code]
745 #define first_mark cur_mark[first_mark_code]
746 #define bot_mark cur_mark[bot_mark_code]
747 #define split_first_mark cur_mark[split_first_mark_code]
748 #define split_bot_mark cur_mark[split_bot_mark_code]
757 #define input_line_no_code (glue_val + 1)
758 #define badness_code (glue_val + 2)
760 #define max_dimen 07777777777
762 #define octal_token (other_token + '\'') // 3111
763 #define hex_token (other_token + '"' ) // 3106
764 #define alpha_token (other_token + '`' ) // 3168
765 #define point_token (other_token + '.' ) // 3118
766 #define continental_point_token (other_token + ',' ) // 3116
768 #define zero_token (other_token + '0') // 3120
769 #define A_token (letter_token + 'A') // 2881
770 #define other_A_token (other_token + 'A') // 3137
772 #define number_code 0
773 #define roman_numeral_code 1
774 #define string_code 2
775 #define meaning_code 3
776 #define font_name_code 4
777 #define job_name_code 5
782 #define if_char_code 0
783 #define if_cat_code 1
784 #define if_int_code 2
785 #define if_dim_code 3
786 #define if_odd_code 4
787 #define if_vmode_code 5
788 #define if_hmode_code 6
789 #define if_mmode_code 7
790 #define if_inner_code 8
791 #define if_void_code 9
792 #define if_hbox_code 10
793 #define if_vbox_code 11
795 #define if_eof_code 13
796 #define if_true_code 14
797 #define if_false_code 15
798 #define if_case_code 16
800 #define if_node_size 2
801 #define if_line_field(a) mem[(a) + 1].cint
812 #define stop_flag 128
813 #define kern_flag 128
814 #define skip_byte(a) a.b0
815 #define next_char(a) a.b1
816 #define op_byte(a) a.b2
817 #define rem_byte(a) a.b3
819 #define ext_top(a) a.b0
820 #define ext_mid(a) a.b1
821 #define ext_bot(a) a.b2
822 #define ext_rep(a) a.b3
826 #define space_stretch_code 3
827 #define space_shrink_code 4
828 #define x_height_code 5
830 #define extra_space_code 7
833 #define non_address 0
835 #define char_info(a, b) font_info[char_base[a] + b].qqqq
836 #define char_width(a, b) font_info[width_base[a] + b.b0].cint
837 #define char_exists(a) (a.b0 > min_quarterword)
838 #define char_italic(a, b) font_info[italic_base[a] + (b.b2) / 4].cint
839 #define height_depth(a) (a.b1)
840 #define char_height(a, b) font_info[height_base[a] + (b) / 16].cint
841 #define char_depth(a, b) font_info[depth_base[a] + (b) % 16].cint
842 #define char_tag(a) (a.b2 % 4)
844 #define char_kern(a, b) font_info[kern_base[a] + 256 * op_byte(b) + rem_byte(b)].cint
845 #define kern_base_offset (256 * (128 + min_quarterword))
846 #define lig_kern_start(a, b) lig_kern_base[a] + rem_byte(b)
847 #define lig_kern_restart(a, b) lig_kern_base[a] + 256 * op_byte(b) + rem_byte(b) + 32768 - kern_base_offset
849 #define param(a, b) font_info[a + param_base[b]].cint
850 #define slant(f) param(slant_code, f)
851 #define space(f) param(space_code, f)
852 #define space_stretch(f) param(space_stretch_code, f)
853 #define space_shrink(f) param(space_shrink_code, f)
854 #define x_height(f) param(x_height_code, f)
855 #define quad(f) param(quad_code, f)
856 #define extra_space(f) param(extra_space_code, f)
859 #define set1 128 // c[1]
860 #define set2 129 // c[2]
861 #define set3 130 // c[3]
862 #define set4 131 // c[4]
863 #define set_rule 132 // a[4] b[4]
864 #define put1 133 // c[1]
865 #define put2 134 // c[2]
866 #define put3 135 // c[3]
867 #define put4 136 // c[4]
868 #define put_rule 137 // a[4] b[4]
869 #define nop 138 // NULL
870 #define bop 139 // c0[4] c1[4] ... c9[4] p[4]
871 #define eop 140 // NULL
872 //#define dvi_push 141
873 //#define dvi_pop 142
874 #define right1 143 // b[1]
875 #define right2 144 // b[2]
876 #define right3 145 // b[3]
877 #define right4 146 // b[4]
879 #define w1 148 // b[1]
880 #define w2 149 // b[2]
881 #define w3 150 // b[3]
882 #define w4 151 // b[4]
884 #define x1 153 // b[1]
885 #define x2 154 // b[2]
886 #define x3 155 // b[3]
887 #define x4 156 // b[4]
888 #define down1 157 // a[1]
889 #define down2 158 // a[2]
890 #define down3 159 // a[3]
891 #define down4 160 // a[4]
893 #define y1 162 // a[1]
894 #define y2 163 // a[2]
895 #define y3 164 // a[3]
896 #define y4 165 // a[4]
898 #define z1 167 // a[1]
899 #define z2 168 // a[2]
900 #define z3 169 // a[3]
901 #define z4 170 // a[4]
902 #define fnt_num_0 171 //
903 #define fnt1 235 // k[1]
904 #define fnt2 236 // k[2]
905 #define fnt3 237 // k[3]
906 #define fnt4 238 // k[4]
907 #define xxx1 239 // k[1] x[k]
908 #define xxx2 240 // k[2] x[k]
909 #define xxx3 241 // k[3] x[k]
910 #define xxx4 242 // k[4] x[k]
911 #define fnt_def1 243 // k[1] c[4] s[4] d[4] a[1] l[1] n[a + l]
912 #define fnt_def2 244 // k[2] c[4] s[4] d[4] a[1] l[1] n[a + l]
913 #define fnt_def3 245 // k[3] c[4] s[4] d[4] a[1] l[1] n[a + l]
914 #define fnt_def4 246 // k[4] c[4] s[4] d[4] a[1] l[1] n[a + l]
915 #define pre 247 // i[1] num[4] den[4] mag[4] k[1] x[k]
917 #define post_post 249 //
921 #define movement_node_size 3
922 #define location(a) mem[a + 2].cint
938 #define u_part(a) mem[(a) + height_offset].cint
939 #define v_part(a) mem[(a) + depth_offset].cint
940 #define extra_info(a) info((a) + list_offset)
943 #define nucleus(a) ((a) + 1)
944 #define supscr(a) ((a) + 2)
945 #define subscr(a) ((a) + 3)
946 #define math_type link
951 #define math_text_char 4
953 #define ord_noad (unset_node + 3) // 16
954 #define op_noad (ord_noad + 1 ) // 17
955 #define bin_noad (ord_noad + 2 ) // 18
956 #define rel_noad (ord_noad + 3 ) // 19
957 #define open_noad (ord_noad + 4 ) // 20
958 #define close_noad (ord_noad + 5 ) // 21
959 #define punct_noad (ord_noad + 6 ) // 22
960 #define inner_noad (ord_noad + 7 ) // 23
964 #define left_delimiter(a) ((a) + 4)
965 #define right_delimiter(a) ((a) + 5)
966 #define radical_noad (inner_noad + 1) // 24
967 #define radical_noad_size 5
968 #define fraction_noad (radical_noad + 1) // 25
969 #define fraction_noad_size 6
970 #define small_fam(a) mem[(a)].qqqq.b0
971 #define small_char(a) mem[(a)].qqqq.b1
972 #define large_fam(a) mem[(a)].qqqq.b2
973 #define large_char(a) mem[(a)].qqqq.b3
974 #define thickness width
975 #define default_code 010000000000L
976 #define numerator supscr
977 #define denominator subscr
979 #define under_noad (fraction_noad + 1) // 26
980 #define over_noad (under_noad + 1 ) // 27
981 #define accent_noad (over_noad + 1 ) // 28
982 #define accent_noad_size 5
983 #define accent_chr(a) (a) + 4
984 #define vcenter_noad (accent_noad + 1 ) // 29
985 #define left_noad (vcenter_noad + 1 ) // 30
986 #define right_noad (left_noad + 1 ) // 31
987 #define delimiter nucleus
988 #define script_allowed(a) ((type(a) >= ord_noad) && (type(a) < left_noad))
990 #define style_node (unset_node + 1)
991 #define style_node_size 3
992 #define display_style 0
994 #define script_style 4
995 #define script_script_style 6
998 #define choice_node (unset_node + 2)
999 #define display_mlist(a) info(a + 1)
1000 #define text_mlist(a) link(a + 1)
1001 #define script_mlist(a) info(a + 2)
1002 #define script_script_mlist(a) link(a + 2)
1005 #define script_size 16
1006 #define script_script_size 32
1008 #define mathsy(a, b) font_info[a + param_base[fam_fnt(2 + b)]].cint
1009 #define math_x_height(a) mathsy(5, a)
1010 #define math_quad(a) mathsy(6, a)
1011 #define num1(a) mathsy(8, a)
1012 #define num2(a) mathsy(9, a)
1013 #define num3(a) mathsy(10, a)
1014 #define denom1(a) mathsy(11, a)
1015 #define denom2(a) mathsy(12, a)
1016 #define sup1(a) mathsy(13, a)
1017 #define sup2(a) mathsy(14, a)
1018 #define sup3(a) mathsy(15, a)
1019 #define sub1(a) mathsy(16, a)
1020 #define sub2(a) mathsy(17, a)
1021 #define sup_drop(a) mathsy(18, a)
1022 #define sub_drop(a) mathsy(19, a)
1023 #define delim1(a) mathsy(20, a)
1024 #define delim2(a) mathsy(21, a)
1025 #define axis_height(a) mathsy(22, a)
1026 #define total_mathsy_params 22
1028 #define mathex(a) font_info[(a) + param_base[fam_fnt(3 + cur_size)]].cint
1029 #define default_rule_thickness mathex(8)
1030 #define big_op_spacing1 mathex(9)
1031 #define big_op_spacing2 mathex(10)
1032 #define big_op_spacing3 mathex(11)
1033 #define big_op_spacing4 mathex(12)
1034 #define big_op_spacing5 mathex(13)
1035 #define total_mathex_params 13
1037 #define cramped_style(a) (2 * ((a) / 2) + cramped)
1038 #define sub_style(a) (2 * ((a) / 4) + script_style + cramped)
1039 #define sup_style(a) (2 * ((a) / 4) + script_style + ((a) % 2))
1040 #define num_style(a) ((a) + 2 - 2 * ((a) / 6))
1041 #define denom_style(a) (2 * ((a) / 2) + cramped + 2 - 2 * ((a) / 6))
1043 #define new_hlist(a) mem[nucleus(a)].cint
1045 #define preamble link(align_head)
1046 #define align_stack_node_size 5
1048 #define span_code 256
1050 #define cr_cr_code (cr_code + 1)
1051 #define end_template_token (cs_token_flag + frozen_end_template)
1053 #define span_node_size 2
1057 #define very_loose_fit 0
1058 #define decent_fit 2
1060 #define active_node_size 3
1061 #define fitness subtype
1062 #define break_node rlink
1063 #define line_number llink
1064 #define total_demerits(a) mem[a + 2].cint
1065 #define unhyphenated 0
1066 #define hyphenated 1
1067 #define last_active active
1069 #define passive_node_size 2
1070 #define cur_break rlink
1071 #define prev_break llink
1074 #define delta_node_size 7
1075 #define delta_node 2
1077 #define do_all_six(a) a(1); a(2); a(3); a(4); a(5); a(6)
1079 #define copy_to_cur_active(a) cur_active_width[a] = active_width[a]
1081 #define update_width(a) cur_active_width[a] = cur_active_width[a] + mem[r + (a)].cint
1083 #define awful_bad 07777777777
1085 #define set_break_width_to_background(a) break_width[a] = background[a]
1087 #define convert_to_break_width(a) mem[prev_r + (a)].cint = mem[prev_r + (a)].cint - cur_active_width[a] + break_width[a]
1088 #define store_break_width(a) active_width[a] = break_width[a]
1089 #define new_delta_to_break_width(a) mem[q + (a)].cint = break_width[(a)] - cur_active_width[(a)]
1091 #define new_delta_from_break_width(a) mem[q + (a)].cint = cur_active_width[(a)] - break_width[(a)]
1093 #define combine_two_deltas(a) mem[prev_r + (a)].cint = mem[prev_r + (a)].cint + mem[r + (a)].cint
1094 #define downdate_width(a) cur_active_width[(a)] = cur_active_width[(a)] - mem[prev_r + (a)].cint
1096 #define update_active(a) active_width[(a)] = active_width[(a)] + mem[r + (a)].cint
1098 #define next_break prev_break
1100 #define append_charnode_to_t(a) \
1102 link(t) = get_avail(); \
1105 character(t) = (a); \
1107 #define set_cur_r() \
1110 cur_r = hu[j + 1]; \
1117 cur_rh = non_char; \
1120 #define wrap_lig(a) \
1121 if (ligature_present) \
1123 p = new_ligature(hf, cur_l, link(cur_q)); \
1132 if (lig_stack == 0) \
1140 ligature_present = false; \
1142 #define pop_lig_stack() \
1144 if (lig_ptr(lig_stack) != 0) \
1146 link(t) = lig_ptr(lig_stack); \
1152 lig_stack = link(p); \
1153 free_node(p, small_node_size); \
1155 if (lig_stack == 0) \
1160 cur_r = character(lig_stack); \
1163 #define advance_major_tail() \
1165 major_tail = link(major_tail); \
1169 #define active_height active_width
1170 #define cur_height active_height[1]
1171 #define set_height_zero(a) active_width[(a)] = 0
1173 #define deplorable 100000L
1175 #define inserts_only 1
1178 #define page_ins_node_size 4
1181 #define broken_ptr(a) link(a + 1)
1182 #define broken_ins(a) info(a + 1)
1183 #define last_ins_ptr(a) link(a + 2)
1184 #define best_ins_ptr(a) info(a + 2)
1186 #define page_goal page_so_far[0]
1187 #define page_total page_so_far[1]
1188 #define page_shrink page_so_far[6]
1189 #define page_depth page_so_far[7]
1191 #define set_page_so_far_zero(a) page_so_far[(a)] = 0
1193 #define adjust_space_factor() \
1195 main_s = sf_code(cur_chr); \
1196 if (main_s == 1000) \
1197 space_factor = 1000; \
1198 else if (main_s < 1000) \
1201 space_factor = main_s; \
1203 else if (space_factor < 1000) \
1204 space_factor = 1000; \
1206 space_factor = main_s; \
1212 if (cur_l < non_char) \
1214 if (link(cur_q) != 0) \
1215 if (character(tail) == hyphen_char[main_f]) \
1218 if (ligature_present) \
1220 main_p = new_ligature(main_f, cur_l, link(cur_q)); \
1224 subtype(main_p) = 2; \
1229 if (lig_stack == 0) \
1231 incr(subtype(main_p)); \
1235 link(cur_q) = main_p; \
1237 ligature_present = false; \
1246 tail_append(new_disc()); \
1252 #define any_mode(a) vmode + a: case hmode + a: case mmode + a
1254 #define non_math(a) vmode + a: case hmode + a
1259 #define fil_neg_code 3
1261 #define mskip_code 5
1263 #define box_flag 010000000000
1264 #define ship_out_flag (box_flag + 512)
1265 #define leader_flag (box_flag + 513)
1268 #define last_box_code 2
1269 #define vsplit_code 3
1272 #define above_code 0
1275 #define delimited_code 3
1277 #define char_def_code 0
1278 #define math_char_def_code 1
1279 #define count_def_code 2
1280 #define dimen_def_code 3
1281 #define skip_def_code 4
1282 #define mu_skip_def_code 5
1283 #define toks_def_code 6
1286 #define show_box_code 1
1287 #define show_the_code 2
1288 #define show_lists 3
1290 #define write_node_size 2
1291 #define open_node_size 3
1293 #define write_node 1
1294 #define close_node 2
1295 #define special_node 3
1296 #define language_node 4
1297 #define what_lang(s) link(s+1)
1298 #define what_lhm(s) type(s+1)
1299 #define what_rhm(s) subtype(s+1)
1300 #define write_tokens(s) link(s+1)
1301 #define write_stream(s) info(s+1)
1302 #define open_name(s) link(s+1)
1303 #define open_area(s) info(s+2)
1304 #define open_ext(s) link(s+2)
1306 #define immediate_code 4
1307 #define set_language_code 5
1309 #define end_write_token (cs_token_flag + end_write)