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| author | Karl Berry <karl@freefriends.org> | 2013-07-29 22:39:06 +0000 |
|---|---|---|
| committer | Karl Berry <karl@freefriends.org> | 2013-07-29 22:39:06 +0000 |
| commit | 61aff27e54e84c0be9a312b82a413847a527c580 (patch) | |
| tree | 2f134ca286a522f8cd44ed8de040a6c9365c8d8e /Master/texmf-dist/tex | |
| parent | 81ad2a9f387b54bdad66ad8e98714b742d059445 (diff) | |
unravel (29jul13)
git-svn-id: svn://tug.org/texlive/trunk@31307 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex')
| -rw-r--r-- | Master/texmf-dist/tex/latex/unravel/unravel.sty | 4817 |
1 files changed, 4817 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/unravel/unravel.sty b/Master/texmf-dist/tex/latex/unravel/unravel.sty new file mode 100644 index 00000000000..1665ce3acf4 --- /dev/null +++ b/Master/texmf-dist/tex/latex/unravel/unravel.sty @@ -0,0 +1,4817 @@ +%% +%% This is file `unravel.sty', +%% generated with the docstrip utility. +%% +%% The original source files were: +%% +%% unravel.dtx (with options: `package') +%% +%% Do not distribute a modified version of this file. +%% +%% Communicate any suggestions for changing this package +%% to Bruno Le Floch (blflatex@gmail.com). +%% +%% File: unravel.dtx Copyright (C) 2013 Bruno Le Floch +%% +%% It may be distributed and/or modified under the conditions of the +%% LaTeX Project Public License (LPPL), either version 1.3c of this +%% license or (at your option) any later version. The latest version +%% of this license is in the file +%% +%% http://www.latex-project.org/lppl.txt +%% +%% ----------------------------------------------------------------------- +\RequirePackage{expl3}[2013/07/01] +\RequirePackage{l3str}[2013/04/24] +\RequirePackage{gtl}[2013/07/28] +\ProvidesExplPackage + {unravel} {2013/07/28} {0.0a} {Watching TeX digest tokens} +\ior_new:N \g__unravel_prompt_ior +\tl_new:N \g__unravel_prompt_before_tl +\int_new:N \l__unravel_prompt_tmpa_int +\int_new:N \g__unravel_nonstop_int +\int_new:N \g__unravel_noise_int +\int_gset_eq:NN \g__unravel_noise_int \c_one +\bool_new:N \l__unravel_debug_bool +\int_new:N \g__unravel_step_int +\str_new:N \g__unravel_action_text_str +\int_new:N \g__unravel_max_action_int +\int_new:N \g__unravel_max_output_int +\int_new:N \g__unravel_max_prev_int +\int_new:N \g__unravel_max_input_int +\int_gset:Nn \g__unravel_max_action_int { 50 } +\int_gset:Nn \g__unravel_max_output_int { 300 } +\int_gset:Nn \g__unravel_max_prev_int { 300 } +\int_gset:Nn \g__unravel_max_input_int { 300 } +\bool_new:N \g__unravel_speedup_macros_bool +\bool_gset_true:N \g__unravel_speedup_macros_bool +\int_new:N \l__unravel_print_int +\int_new:N \g__unravel_input_int +\int_new:N \g__unravel_input_tmpa_int +\tl_new:N \l__unravel_input_tmpa_tl +\seq_new:N \g__unravel_prev_input_seq +\tl_new:N \l__unravel_prev_input_tl +\gtl_new:N \l__unravel_prev_input_gtl +\gtl_new:N \g__unravel_output_gtl +\gtl_new:N \l__unravel_head_gtl +\tl_new:N \l__unravel_head_tl +\token_new:Nn \l__unravel_head_token { ? } +\int_new:N \l__unravel_head_cmd_int +\int_new:N \l__unravel_head_char_int +\tl_new:N \l__unravel_head_meaning_tl +\tl_new:N \l__unravel_tmpa_tl +\gtl_new:N \l__unravel_tmpb_gtl +\tl_new:N \g__unravel_tmpc_tl +\seq_new:N \l__unravel_tmpa_seq +\tl_new:N \l__unravel_defined_tl +\tl_new:N \l__unravel_defining_tl +\cs_new_eq:NN \__unravel_inaccessible:w ? +\gtl_new:N \g__unravel_after_assignment_gtl +\bool_new:N \g__unravel_set_box_allowed_bool +\bool_new:N \g__unravel_name_in_progress_bool +\group_begin: + \char_set_lccode:nn { `* } { `# } + \tex_lowercase:D + { \tl_const:Nn \c__unravel_parameters_tl { ^*1*2*3*4*5*6*7*8*9 } } +\group_end: +\int_new:N \g__unravel_val_level_int +\tl_const:Nn \c__unravel_plus_tl { + } +\tl_const:Nn \c__unravel_minus_tl { - } +\tl_const:Nn \c__unravel_times_tl { * } +\tl_const:Nn \c__unravel_over_tl { / } +\tl_const:Nn \c__unravel_lq_tl { ` } +\tl_const:Nn \c__unravel_rq_tl { ' } +\tl_const:Nn \c__unravel_dq_tl { " } +\tl_const:Nn \c__unravel_lp_tl { ( } +\tl_const:Nn \c__unravel_rp_tl { ) } +\tl_const:Nn \c__unravel_eq_tl { = } +\tl_const:Nn \c__unravel_comma_tl { , } +\tl_const:Nn \c__unravel_point_tl { . } +\tl_new:N \g__unravel_if_limit_tl +\int_new:N \g__unravel_if_limit_int +\int_new:N \g__unravel_if_depth_int +\int_new:N \l__unravel_if_nesting_int +\seq_new:N \l__unravel_leaders_box_seq +\int_new:N \g__unravel_ends_int +\int_gset:Nn \g__unravel_ends_int { 3 } +\gtl_const:Nx \c__unravel_frozen_relax_gtl { \if_int_compare:w 0 = 0 \fi: } +\cs_if_exist:NF \exp_last_unbraced:NNn + { \cs_new_eq:NN \exp_last_unbraced:NNn \use:nnn } +\cs_generate_variant:Nn \exp_last_unbraced:NNn { NNv } +\cs_generate_variant:Nn \str_head:n { f } +\cs_generate_variant:Nn \tl_to_str:n { o } +\cs_generate_variant:Nn \tl_if_head_eq_meaning:nNT { V } +\cs_generate_variant:Nn \tl_if_head_is_space:nTF { o } +\cs_generate_variant:Nn \tl_if_head_is_space:nT { V } +\cs_generate_variant:Nn \tl_if_head_is_N_type:nTF { o } +\cs_generate_variant:Nn \tl_if_in:nnF { nV } +\cs_generate_variant:Nn \tl_if_in:nnTF { nV } +\cs_generate_variant:Nn \tl_if_eq:nnT { V } +\cs_generate_variant:Nn \tl_if_in:NnTF { No , NV } +\cs_generate_variant:Nn \tl_if_single_token:nT { V } +\cs_generate_variant:Nn \tl_gset_rescan:Nnn { Nnx } +\cs_generate_variant:Nn \gtl_gput_left:Nn { Nx , NV , No } +\cs_generate_variant:Nn \gtl_gput_right:Nn { Nx , NV } +\cs_generate_variant:Nn \gtl_put_right:Nn { NV } +\cs_generate_variant:Nn \ior_get_str:NN { Nc } +\cs_generate_variant:Nn \gtl_if_empty:NTF { c } +\cs_generate_variant:Nn \gtl_to_str:N { c } +\cs_generate_variant:Nn \gtl_gpop_left:NN { c } +\cs_generate_variant:Nn \gtl_get_left:NN { c } +\cs_generate_variant:Nn \gtl_gset:Nn { c } +\cs_generate_variant:Nn \gtl_gconcat:NNN { ccc , cNc } +\cs_generate_variant:Nn \gtl_gclear:N { c } +\cs_new_protected:Npn \__unravel_tl_gset_input:Nnn #1#2#3 + { + \group_begin: + \etex_everyeof:D \exp_after:wN { \token_to_str:N @ @ #1 } + #2 + \tl_gclear:N #1 + \str_if_eq_x:nnF + { \token_to_meaning:N \tex_input:D } + { \token_to_str:N \input } + { \msg_unravel:nnx { unravel } { internal } { input-prim } } + \exp_after:wN \__unravel_tl_gset_input_aux:wN + \exp_after:wN \prg_do_nothing: + \tex_input:D \tl_to_str:n {#3} \scan_stop: + \group_end: + \tl_gput_right:NV #1 \etex_everyeof:D + } +\cs_generate_variant:Nn \__unravel_tl_gset_input:Nnn { Nno } +\use:x + { + \cs_new_protected:Npn \exp_not:N \__unravel_tl_gset_input_aux:wN + ##1 \token_to_str:N @ @ ##2 + } { \tl_gset:No #2 {#1} } +\cs_new_eq:NN \__unravel_cs_case:NnF \tl_case:NnF +\cs_new_nopar:Npn \__unravel_strip_escape:w + { + \tex_romannumeral:D + \if_charcode:w \token_to_str:N \ \__unravel_strip_escape_aux:w \fi: + \__unravel_strip_escape_aux:N + } +\cs_new:Npn \__unravel_strip_escape_aux:N #1 { \c_zero } +\cs_new:Npn \__unravel_strip_escape_aux:w #1#2 + { - \__int_value:w #1 \c_zero } +\cs_new:Npn \__unravel_meaning_to_char:n #1 + { \__unravel_meaning_to_char_auxi:w #1 \q_mark ~ {} ~ \q_mark \q_stop } +\cs_new:Npn \__unravel_meaning_to_char_auxi:w #1 ~ #2 ~ #3 \q_mark #4 \q_stop + { \__unravel_meaning_to_char_auxii:w #3 ~ #3 ~ \q_stop } +\cs_new:Npn \__unravel_meaning_to_char_auxii:w #1 ~ #2 ~ #3 \q_stop + { \tl_if_empty:nTF {#2} { ~ } {#2} } +\cs_generate_variant:Nn \__unravel_meaning_to_char:n { o } +\cs_new:Npn \__unravel_token_to_char:N #1 + { \__unravel_meaning_to_char:o { \token_to_meaning:N #1 } } +\cs_new:Npn \__unravel_to_str:n #1 + { + \tl_if_head_eq_meaning:nNTF {#1} \scan_stop: + { \__unravel_to_str_auxi:w #1 ? \q_stop } + { \tl_to_str:n } + {#1} + } +\cs_set:Npn \__unravel_tmp:w #1 + { + \cs_new:Npn \__unravel_to_str_auxi:w ##1##2 \q_stop + { + \exp_after:wN \__unravel_to_str_auxii:w \token_to_str:N ##1 \q_mark + #1 tl \q_mark \q_stop + } + \cs_new:Npn \__unravel_to_str_auxii:w ##1 #1 ##2 \q_mark ##3 \q_stop + { \cs_if_exist_use:cF { ##2 _to_str:n } { \tl_to_str:n } } + } +\exp_args:No \__unravel_tmp:w { \tl_to_str:n { s__ } } +\cs_new_protected:Npn \__unravel_prev_input_silent:n #1 + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_prev_input_tl + \tl_put_right:Nn \l__unravel_prev_input_tl {#1} + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_prev_input_tl + } +\cs_generate_variant:Nn \__unravel_prev_input_silent:n { V , x } +\cs_new_protected:Npn \__unravel_prev_input:n #1 + { + \__unravel_prev_input_silent:n {#1} + \__unravel_print_action:x { \tl_to_str:n {#1} } + } +\cs_generate_variant:Nn \__unravel_prev_input:n { V , x } +\cs_new_protected:Npn \__unravel_prev_input_gtl:N #1 + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_prev_input_gtl + \gtl_concat:NNN \l__unravel_prev_input_gtl \l__unravel_prev_input_gtl #1 + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_prev_input_gtl + } +\prg_new_conditional:Npnn \__unravel_token_if_expandable:N #1 + { p , T , F , TF } + { + \exp_after:wN \if_meaning:w \exp_not:N #1 #1 + \prg_return_false: + \else: + \prg_return_true: + \fi: + } +\prg_new_conditional:Npnn \__unravel_token_if_protected:N #1 + { p , T , F , TF } + { + \__unravel_token_if_expandable:NTF #1 + { + \token_if_protected_macro:NTF #1 + { \prg_return_true: } + { + \token_if_protected_long_macro:NTF #1 + { \prg_return_true: } + { \prg_return_false: } + } + } + { \prg_return_true: } + } +\cs_new_eq:NN \__unravel_exit_point: \prg_do_nothing: +\cs_new:Npn \__unravel_exit:w #1 \__unravel_exit_point: { } +\cs_new_eq:NN \__unravel_break_point: \prg_do_nothing: +\cs_new:Npn \__unravel_break:w #1 \__unravel_break_point: { } +\group_begin: + \char_set_catcode_active:n { `Z } + \prg_new_protected_conditional:Npnn \__unravel_token_if_definable:N #1 + { TF } + { + \group_begin: + \int_set:Nn \tex_escapechar:D { 92 } + \exp_args:No \tl_if_single:nTF { \token_to_str:N #1 } + { + \exp_args:Nx \char_set_lccode:nn + { ` \str_head:n {#1} } { `Z } + \tex_lowercase:D { \tl_if_eq:nnTF {#1} } { Z } + { \group_end: \prg_return_true: } + { \group_end: \prg_return_false: } + } + { \group_end: \prg_return_true: } + } +\group_end: +\prg_new_protected_conditional:Npnn \__unravel_gtl_if_head_is_definable:N #1 + { TF , F } + { + \gtl_if_single_token:NTF #1 + { + \gtl_if_head_is_N_type:NTF #1 + { + \exp_last_unbraced:Nx \__unravel_token_if_definable:NTF + { \gtl_head:N #1 } + { \prg_return_true: } + { \prg_return_false: } + } + { \prg_return_false: } + } + { \prg_return_false: } + } +\cs_new_protected:Npn \__unravel_tex_const:nn #1#2 + { \int_const:cn { c__unravel_tex_#1_int } {#2} } +\cs_new:Npn \__unravel_tex_use:n #1 { \int_use:c { c__unravel_tex_#1_int } } +\cs_new_protected:Npn \__unravel_tex_primitive:nnn #1#2#3 + { + \tl_const:cx { c__unravel_tex_#1_tl } + { { \__unravel_tex_use:n {#2} } {#3} } + } +\cs_new_protected:Npn \__unravel_new_tex_cmd:nn #1#2 + { + \cs_new_protected_nopar:cpn + { __unravel_cmd_ \__unravel_tex_use:n {#1} : } {#2} + } +\cs_new_protected:Npn \__unravel_new_eq_tex_cmd:nn #1#2 + { + \cs_new_eq:cc + { __unravel_cmd_ \__unravel_tex_use:n {#1} : } + { __unravel_cmd_ \__unravel_tex_use:n {#2} : } + } +\cs_new_protected:Npn \__unravel_new_tex_expandable:nn #1#2 + { + \cs_new_protected_nopar:cpn + { __unravel_expandable_ \__unravel_tex_use:n {#1} : } {#2} + } +\__unravel_tex_const:nn { relax } { 0 } +\__unravel_tex_const:nn { begin-group_char } { 1 } +\__unravel_tex_const:nn { end-group_char } { 2 } +\__unravel_tex_const:nn { math_char } { 3 } +\__unravel_tex_const:nn { tab_mark } { 4 } +\__unravel_tex_const:nn { alignment_char } { 4 } +\__unravel_tex_const:nn { car_ret } { 5 } +\__unravel_tex_const:nn { macro_char } { 6 } +\__unravel_tex_const:nn { superscript_char } { 7 } +\__unravel_tex_const:nn { subscript_char } { 8 } +\__unravel_tex_const:nn { endv } { 9 } +\__unravel_tex_const:nn { blank_char } { 10 } +\__unravel_tex_const:nn { the_char } { 11 } +\__unravel_tex_const:nn { other_char } { 12 } +\__unravel_tex_const:nn { par_end } { 13 } +\__unravel_tex_const:nn { stop } { 14 } +\__unravel_tex_const:nn { delim_num } { 15 } +\__unravel_tex_const:nn { max_char_code } { 15 } +\__unravel_tex_const:nn { char_num } { 16 } +\__unravel_tex_const:nn { math_char_num } { 17 } +\__unravel_tex_const:nn { mark } { 18 } +\__unravel_tex_const:nn { xray } { 19 } +\__unravel_tex_const:nn { make_box } { 20 } +\__unravel_tex_const:nn { hmove } { 21 } +\__unravel_tex_const:nn { vmove } { 22 } +\__unravel_tex_const:nn { un_hbox } { 23 } +\__unravel_tex_const:nn { un_vbox } { 24 } +\__unravel_tex_const:nn { remove_item } { 25 } +\__unravel_tex_const:nn { hskip } { 26 } +\__unravel_tex_const:nn { vskip } { 27 } +\__unravel_tex_const:nn { mskip } { 28 } +\__unravel_tex_const:nn { kern } { 29 } +\__unravel_tex_const:nn { mkern } { 30 } +\__unravel_tex_const:nn { leader_ship } { 31 } +\__unravel_tex_const:nn { halign } { 32 } +\__unravel_tex_const:nn { valign } { 33 } +\__unravel_tex_const:nn { no_align } { 34 } +\__unravel_tex_const:nn { vrule } { 35 } +\__unravel_tex_const:nn { hrule } { 36 } +\__unravel_tex_const:nn { insert } { 37 } +\__unravel_tex_const:nn { vadjust } { 38 } +\__unravel_tex_const:nn { ignore_spaces } { 39 } +\__unravel_tex_const:nn { after_assignment } { 40 } +\__unravel_tex_const:nn { after_group } { 41 } +\__unravel_tex_const:nn { break_penalty } { 42 } +\__unravel_tex_const:nn { start_par } { 43 } +\__unravel_tex_const:nn { ital_corr } { 44 } +\__unravel_tex_const:nn { accent } { 45 } +\__unravel_tex_const:nn { math_accent } { 46 } +\__unravel_tex_const:nn { discretionary } { 47 } +\__unravel_tex_const:nn { eq_no } { 48 } +\__unravel_tex_const:nn { left_right } { 49 } +\__unravel_tex_const:nn { math_comp } { 50 } +\__unravel_tex_const:nn { limit_switch } { 51 } +\__unravel_tex_const:nn { above } { 52 } +\__unravel_tex_const:nn { math_style } { 53 } +\__unravel_tex_const:nn { math_choice } { 54 } +\__unravel_tex_const:nn { non_script } { 55 } +\__unravel_tex_const:nn { vcenter } { 56 } +\__unravel_tex_const:nn { case_shift } { 57 } +\__unravel_tex_const:nn { message } { 58 } +\__unravel_tex_const:nn { extension } { 59 } +\__unravel_tex_const:nn { in_stream } { 60 } +\__unravel_tex_const:nn { begin_group } { 61 } +\__unravel_tex_const:nn { end_group } { 62 } +\__unravel_tex_const:nn { omit } { 63 } +\__unravel_tex_const:nn { ex_space } { 64 } +\__unravel_tex_const:nn { no_boundary } { 65 } +\__unravel_tex_const:nn { radical } { 66 } +\__unravel_tex_const:nn { end_cs_name } { 67 } +\__unravel_tex_const:nn { min_internal } { 68 } +\__unravel_tex_const:nn { char_given } { 68 } +\__unravel_tex_const:nn { math_given } { 69 } +\__unravel_tex_const:nn { last_item } { 70 } +\__unravel_tex_const:nn { max_non_prefixed_command } { 70 } +\__unravel_tex_const:nn { toks_register } { 71 } +\__unravel_tex_const:nn { assign_toks } { 72 } +\__unravel_tex_const:nn { assign_int } { 73 } +\__unravel_tex_const:nn { assign_dimen } { 74 } +\__unravel_tex_const:nn { assign_glue } { 75 } +\__unravel_tex_const:nn { assign_mu_glue } { 76 } +\__unravel_tex_const:nn { assign_font_dimen } { 77 } +\__unravel_tex_const:nn { assign_font_int } { 78 } +\__unravel_tex_const:nn { set_aux } { 79 } +\__unravel_tex_const:nn { set_prev_graf } { 80 } +\__unravel_tex_const:nn { set_page_dimen } { 81 } +\__unravel_tex_const:nn { set_page_int } { 82 } +\__unravel_tex_const:nn { set_box_dimen } { 83 } +\__unravel_tex_const:nn { set_shape } { 84 } +\__unravel_tex_const:nn { def_code } { 85 } +\__unravel_tex_const:nn { def_family } { 86 } +\__unravel_tex_const:nn { set_font } { 87 } +\__unravel_tex_const:nn { def_font } { 88 } +\__unravel_tex_const:nn { register } { 89 } +\__unravel_tex_const:nn { max_internal } { 89 } +\__unravel_tex_const:nn { advance } { 90 } +\__unravel_tex_const:nn { multiply } { 91 } +\__unravel_tex_const:nn { divide } { 92 } +\__unravel_tex_const:nn { prefix } { 93 } +\__unravel_tex_const:nn { let } { 94 } +\__unravel_tex_const:nn { shorthand_def } { 95 } +\__unravel_tex_const:nn { read_to_cs } { 96 } +\__unravel_tex_const:nn { def } { 97 } +\__unravel_tex_const:nn { set_box } { 98 } +\__unravel_tex_const:nn { hyph_data } { 99 } +\__unravel_tex_const:nn { set_interaction } { 100 } +\__unravel_tex_const:nn { letterspace_font } { 101 } +\__unravel_tex_const:nn { pdf_copy_font } { 102 } +\__unravel_tex_const:nn { max_command } { 102 } +\__unravel_tex_const:nn { undefined_cs } { 103 } +\__unravel_tex_const:nn { expand_after } { 104 } +\__unravel_tex_const:nn { no_expand } { 105 } +\__unravel_tex_const:nn { input } { 106 } +\__unravel_tex_const:nn { if_test } { 107 } +\__unravel_tex_const:nn { fi_or_else } { 108 } +\__unravel_tex_const:nn { cs_name } { 109 } +\__unravel_tex_const:nn { convert } { 110 } +\__unravel_tex_const:nn { the } { 111 } +\__unravel_tex_const:nn { top_bot_mark } { 112 } +\__unravel_tex_const:nn { call } { 113 } +\__unravel_tex_const:nn { end_template } { 117 } +\__unravel_tex_primitive:nnn { relax } { relax } { 256 } +\__unravel_tex_primitive:nnn { span } { tab_mark } { 256 } +\__unravel_tex_primitive:nnn { cr } { car_ret } { 257 } +\__unravel_tex_primitive:nnn { crcr } { car_ret } { 258 } +\__unravel_tex_primitive:nnn { par } { par_end } { 256 } +\__unravel_tex_primitive:nnn { end } { stop } { 0 } +\__unravel_tex_primitive:nnn { dump } { stop } { 1 } +\__unravel_tex_primitive:nnn { delimiter } { delim_num } { 0 } +\__unravel_tex_primitive:nnn { char } { char_num } { 0 } +\__unravel_tex_primitive:nnn { mathchar } { math_char_num } { 0 } +\__unravel_tex_primitive:nnn { mark } { mark } { 0 } +\__unravel_tex_primitive:nnn { marks } { mark } { 5 } +\__unravel_tex_primitive:nnn { show } { xray } { 0 } +\__unravel_tex_primitive:nnn { showbox } { xray } { 1 } +\__unravel_tex_primitive:nnn { showthe } { xray } { 2 } +\__unravel_tex_primitive:nnn { showlists } { xray } { 3 } +\__unravel_tex_primitive:nnn { showgroups } { xray } { 4 } +\__unravel_tex_primitive:nnn { showtokens } { xray } { 5 } +\__unravel_tex_primitive:nnn { showifs } { xray } { 6 } +\__unravel_tex_primitive:nnn { box } { make_box } { 0 } +\__unravel_tex_primitive:nnn { copy } { make_box } { 1 } +\__unravel_tex_primitive:nnn { lastbox } { make_box } { 2 } +\__unravel_tex_primitive:nnn { vsplit } { make_box } { 3 } +\__unravel_tex_primitive:nnn { vtop } { make_box } { 4 } +\__unravel_tex_primitive:nnn { vbox } { make_box } { 5 } +\__unravel_tex_primitive:nnn { hbox } { make_box } { 106 } 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defaultskewchar } { assign_int } { 47 } +\__unravel_tex_primitive:nnn { endlinechar } { assign_int } { 48 } +\__unravel_tex_primitive:nnn { newlinechar } { assign_int } { 49 } +\__unravel_tex_primitive:nnn { language } { assign_int } { 50 } +\__unravel_tex_primitive:nnn { lefthyphenmin } { assign_int } { 51 } +\__unravel_tex_primitive:nnn { righthyphenmin } { assign_int } { 52 } +\__unravel_tex_primitive:nnn { holdinginserts } { assign_int } { 53 } +\__unravel_tex_primitive:nnn { errorcontegtlines } { assign_int } { 54 } +\__unravel_tex_primitive:nnn { pdfoutput } { assign_int } { 55 } +\__unravel_tex_primitive:nnn { pdfcompresslevel } { assign_int } { 56 } +\__unravel_tex_primitive:nnn { pdfdecimaldigits } { assign_int } { 57 } +\__unravel_tex_primitive:nnn { pdfmovechars } { assign_int } { 58 } +\__unravel_tex_primitive:nnn { pdfimageresolution } { assign_int } { 59 } +\__unravel_tex_primitive:nnn { pdfpkresolution } { assign_int } { 60 } +\__unravel_tex_primitive:nnn { pdfuniqueresname } { assign_int } { 61 } +\__unravel_tex_primitive:nnn + { pdfoptionalwaysusepdfpagebox } { assign_int } { 62 } +\__unravel_tex_primitive:nnn + { pdfoptionpdfinclusionerrorlevel } { assign_int } { 63 } +\__unravel_tex_primitive:nnn + { pdfoptionpdfminorversion } { assign_int } { 64 } +\__unravel_tex_primitive:nnn { pdfminorversion } { assign_int } { 64 } +\__unravel_tex_primitive:nnn { pdfforcepagebox } { assign_int } { 65 } +\__unravel_tex_primitive:nnn { pdfpagebox } { assign_int } { 66 } +\__unravel_tex_primitive:nnn + { pdfinclusionerrorlevel } { assign_int } { 67 } +\__unravel_tex_primitive:nnn { pdfgamma } { assign_int } { 68 } +\__unravel_tex_primitive:nnn { pdfimagegamma } { assign_int } { 69 } +\__unravel_tex_primitive:nnn { pdfimagehicolor } { assign_int } { 70 } +\__unravel_tex_primitive:nnn { pdfimageapplygamma } { assign_int } { 71 } +\__unravel_tex_primitive:nnn { pdfadjustspacing } { assign_int } { 72 } +\__unravel_tex_primitive:nnn { pdfprotrudechars } { assign_int } { 73 } +\__unravel_tex_primitive:nnn { pdftracingfonts } { assign_int } { 74 } +\__unravel_tex_primitive:nnn { pdfobjcompresslevel } { assign_int } { 75 } +\__unravel_tex_primitive:nnn + { pdfadjustinterwordglue } { assign_int } { 76 } +\__unravel_tex_primitive:nnn { pdfprependkern } { assign_int } { 77 } +\__unravel_tex_primitive:nnn { pdfappendkern } { assign_int } { 78 } +\__unravel_tex_primitive:nnn { pdfgentounicode } { assign_int } { 79 } +\__unravel_tex_primitive:nnn { pdfdraftmode } { assign_int } { 80 } +\__unravel_tex_primitive:nnn { pdfinclusioncopyfonts } { assign_int } { 81 } +\__unravel_tex_primitive:nnn { tracingassigns } { assign_int } { 82 } +\__unravel_tex_primitive:nnn { tracinggroups } { assign_int } { 83 } +\__unravel_tex_primitive:nnn { tracingifs } { assign_int } { 84 } +\__unravel_tex_primitive:nnn { tracingscantokens } { assign_int } { 85 } +\__unravel_tex_primitive:nnn { tracingnesting } { assign_int } { 86 } +\__unravel_tex_primitive:nnn { predisplaydirection } { assign_int } { 87 } +\__unravel_tex_primitive:nnn { lastlinefit } { assign_int } { 88 } +\__unravel_tex_primitive:nnn { savingvdiscards } { assign_int } { 89 } +\__unravel_tex_primitive:nnn { savinghyphcodes } { assign_int } { 90 } +\__unravel_tex_primitive:nnn { TeXXeTstate } { assign_int } { 91 } +\__unravel_tex_primitive:nnn { parindent } { assign_dimen } { 0 } +\__unravel_tex_primitive:nnn { mathsurround } { assign_dimen } { 1 } +\__unravel_tex_primitive:nnn { lineskiplimit } { assign_dimen } { 2 } +\__unravel_tex_primitive:nnn { hsize } { assign_dimen } { 3 } +\__unravel_tex_primitive:nnn { vsize } { assign_dimen } { 4 } +\__unravel_tex_primitive:nnn { maxdepth } { assign_dimen } { 5 } +\__unravel_tex_primitive:nnn { splitmaxdepth } { assign_dimen } { 6 } +\__unravel_tex_primitive:nnn { boxmaxdepth } { assign_dimen } { 7 } +\__unravel_tex_primitive:nnn { hfuzz } { assign_dimen } { 8 } +\__unravel_tex_primitive:nnn { vfuzz } { assign_dimen } { 9 } +\__unravel_tex_primitive:nnn { delimitershortfall } { assign_dimen } { 10 } +\__unravel_tex_primitive:nnn { nulldelimiterspace } { assign_dimen } { 11 } +\__unravel_tex_primitive:nnn { scriptspace } { assign_dimen } { 12 } +\__unravel_tex_primitive:nnn { predisplaysize } { assign_dimen } { 13 } +\__unravel_tex_primitive:nnn { displaywidth } { assign_dimen } { 14 } +\__unravel_tex_primitive:nnn { displayindent } { assign_dimen } { 15 } +\__unravel_tex_primitive:nnn { overfullrule } { assign_dimen } { 16 } +\__unravel_tex_primitive:nnn { hangindent } { assign_dimen } { 17 } +\__unravel_tex_primitive:nnn { hoffset } { assign_dimen } { 18 } +\__unravel_tex_primitive:nnn { voffset } { assign_dimen } { 19 } +\__unravel_tex_primitive:nnn { emergencystretch } { assign_dimen } { 20 } +\__unravel_tex_primitive:nnn { pdfhorigin } { assign_dimen } { 21 } +\__unravel_tex_primitive:nnn { pdfvorigin } { assign_dimen } { 22 } +\__unravel_tex_primitive:nnn { pdfpagewidth } { assign_dimen } { 23 } +\__unravel_tex_primitive:nnn { pdfpageheight } { assign_dimen } { 24 } +\__unravel_tex_primitive:nnn { pdflinkmargin } { assign_dimen } { 25 } +\__unravel_tex_primitive:nnn { pdfdestmargin } { assign_dimen } { 26 } +\__unravel_tex_primitive:nnn { pdfthreadmargin } { assign_dimen } { 27 } +\__unravel_tex_primitive:nnn { pdffirstlineheight } { assign_dimen } { 28 } +\__unravel_tex_primitive:nnn { pdflastlinedepth } { assign_dimen } { 29 } +\__unravel_tex_primitive:nnn { pdfeachlineheight } { assign_dimen } { 30 } +\__unravel_tex_primitive:nnn { pdfeachlinedepth } { assign_dimen } { 31 } +\__unravel_tex_primitive:nnn { pdfignoreddimen } { assign_dimen } { 32 } +\__unravel_tex_primitive:nnn { pdfpxdimen } { assign_dimen } { 33 } +\__unravel_tex_primitive:nnn { lineskip } { assign_glue } { 0 } +\__unravel_tex_primitive:nnn { baselineskip } { assign_glue } { 1 } +\__unravel_tex_primitive:nnn { parskip } { assign_glue } { 2 } +\__unravel_tex_primitive:nnn { abovedisplayskip } { assign_glue } { 3 } +\__unravel_tex_primitive:nnn { belowdisplayskip } { assign_glue } { 4 } +\__unravel_tex_primitive:nnn { abovedisplayshortskip } { assign_glue } { 5 } +\__unravel_tex_primitive:nnn { belowdisplayshortskip } { assign_glue } { 6 } +\__unravel_tex_primitive:nnn { leftskip } { assign_glue } { 7 } +\__unravel_tex_primitive:nnn { rightskip } { assign_glue } { 8 } +\__unravel_tex_primitive:nnn { topskip } { assign_glue } { 9 } +\__unravel_tex_primitive:nnn { splittopskip } { assign_glue } { 10 } +\__unravel_tex_primitive:nnn { tabskip } { assign_glue } { 11 } +\__unravel_tex_primitive:nnn { spaceskip } { assign_glue } { 12 } +\__unravel_tex_primitive:nnn { xspaceskip } { assign_glue } { 13 } +\__unravel_tex_primitive:nnn { parfillskip } { assign_glue } { 14 } +\__unravel_tex_primitive:nnn { thinmuskip } { assign_mu_glue } { 15 } +\__unravel_tex_primitive:nnn { medmuskip } { assign_mu_glue } { 16 } +\__unravel_tex_primitive:nnn { thickmuskip } { assign_mu_glue } { 17 } +\__unravel_tex_primitive:nnn { fontdimen } { assign_font_dimen } { 0 } +\__unravel_tex_primitive:nnn { hyphenchar } { assign_font_int } { 0 } +\__unravel_tex_primitive:nnn { skewchar } { assign_font_int } { 1 } +\__unravel_tex_primitive:nnn { lpcode } { assign_font_int } { 2 } +\__unravel_tex_primitive:nnn { rpcode } { assign_font_int } { 3 } +\__unravel_tex_primitive:nnn { efcode } { assign_font_int } { 4 } +\__unravel_tex_primitive:nnn { tagcode } { assign_font_int } { 5 } +\__unravel_tex_primitive:nnn { pdfnoligatures } { assign_font_int } { 6 } +\__unravel_tex_primitive:nnn { knbscode } { assign_font_int } { 7 } +\__unravel_tex_primitive:nnn { stbscode } { assign_font_int } { 8 } +\__unravel_tex_primitive:nnn { shbscode } { assign_font_int } { 9 } +\__unravel_tex_primitive:nnn { knbccode } { assign_font_int } { 10 } +\__unravel_tex_primitive:nnn { knaccode } { assign_font_int } { 11 } +\__unravel_tex_primitive:nnn { spacefactor } { set_aux } { 102 } +\__unravel_tex_primitive:nnn { prevdepth } { set_aux } { 1 } +\__unravel_tex_primitive:nnn { prevgraf } { set_prev_graf } { 0 } +\__unravel_tex_primitive:nnn { pagegoal } { set_page_dimen } { 0 } +\__unravel_tex_primitive:nnn { pagetotal } { set_page_dimen } { 1 } +\__unravel_tex_primitive:nnn { pagestretch } { set_page_dimen } { 2 } +\__unravel_tex_primitive:nnn { pagefilstretch } { set_page_dimen } { 3 } +\__unravel_tex_primitive:nnn { pagefillstretch } { set_page_dimen } { 4 } +\__unravel_tex_primitive:nnn { pagefilllstretch } { set_page_dimen } { 5 } +\__unravel_tex_primitive:nnn { pageshrink } { set_page_dimen } { 6 } +\__unravel_tex_primitive:nnn { pagedepth } { set_page_dimen } { 7 } +\__unravel_tex_primitive:nnn { deadcycles } { set_page_int } { 0 } +\__unravel_tex_primitive:nnn { insertpenalties } { set_page_int } { 1 } +\__unravel_tex_primitive:nnn { interactionmode } { set_page_int } { 2 } +\__unravel_tex_primitive:nnn { wd } { set_box_dimen } { 1 } +\__unravel_tex_primitive:nnn { dp } { set_box_dimen } { 2 } +\__unravel_tex_primitive:nnn { ht } { set_box_dimen } { 3 } +\__unravel_tex_primitive:nnn { parshape } { set_shape } { 0 } +\__unravel_tex_primitive:nnn { interlinepenalties } { set_shape } { 1 } +\__unravel_tex_primitive:nnn { clubpenalties } { set_shape } { 2 } +\__unravel_tex_primitive:nnn { widowpenalties } { set_shape } { 3 } +\__unravel_tex_primitive:nnn { displaywidowpenalties } { set_shape } { 4 } +\__unravel_tex_primitive:nnn { catcode } { def_code } { 0 } +\__unravel_tex_primitive:nnn { lccode } { def_code } { 256 } +\__unravel_tex_primitive:nnn { uccode } { def_code } { 512 } +\__unravel_tex_primitive:nnn { sfcode } { def_code } { 768 } +\__unravel_tex_primitive:nnn { mathcode } { def_code } { 1024 } +\__unravel_tex_primitive:nnn { delcode } { def_code } { 1591 } +\__unravel_tex_primitive:nnn { textfont } { def_family } { -48 } +\__unravel_tex_primitive:nnn { scriptfont } { def_family } { -32 } +\__unravel_tex_primitive:nnn { scriptscriptfont } { def_family } { -16 } +\__unravel_tex_primitive:nnn { nullfont } { set_font } { 0 } +\__unravel_tex_primitive:nnn { font } { def_font } { 0 } +\__unravel_tex_primitive:nnn { count } { register } { 1 000 000 } +\__unravel_tex_primitive:nnn { dimen } { register } { 2 000 000 } +\__unravel_tex_primitive:nnn { skip } { register } { 3 000 000 } +\__unravel_tex_primitive:nnn { muskip } { register } { 4 000 000 } +\__unravel_tex_primitive:nnn { advance } { advance } { 0 } +\__unravel_tex_primitive:nnn { multiply } { multiply } { 0 } +\__unravel_tex_primitive:nnn { divide } { divide } { 0 } +\__unravel_tex_primitive:nnn { long } { prefix } { 1 } +\__unravel_tex_primitive:nnn { outer } { prefix } { 2 } +\__unravel_tex_primitive:nnn { global } { prefix } { 4 } +\__unravel_tex_primitive:nnn { protected } { prefix } { 8 } +\__unravel_tex_primitive:nnn { let } { let } { 0 } +\__unravel_tex_primitive:nnn { futurelet } { let } { 1 } +\__unravel_tex_primitive:nnn { chardef } { shorthand_def } { 0 } +\__unravel_tex_primitive:nnn { mathchardef } { shorthand_def } { 1 } +\__unravel_tex_primitive:nnn { countdef } { shorthand_def } { 2 } +\__unravel_tex_primitive:nnn { dimendef } { shorthand_def } { 3 } +\__unravel_tex_primitive:nnn { skipdef } { shorthand_def } { 4 } +\__unravel_tex_primitive:nnn { muskipdef } { shorthand_def } { 5 } +\__unravel_tex_primitive:nnn { toksdef } { shorthand_def } { 6 } +\__unravel_tex_primitive:nnn { read } { read_to_cs } { 0 } +\__unravel_tex_primitive:nnn { readline } { read_to_cs } { 1 } +\__unravel_tex_primitive:nnn { def } { def } { 0 } +\__unravel_tex_primitive:nnn { gdef } { def } { 1 } +\__unravel_tex_primitive:nnn { edef } { def } { 2 } +\__unravel_tex_primitive:nnn { xdef } { def } { 3 } +\__unravel_tex_primitive:nnn { setbox } { set_box } { 0 } +\__unravel_tex_primitive:nnn { hyphenation } { hyph_data } { 0 } +\__unravel_tex_primitive:nnn { patterns } { hyph_data } { 1 } +\__unravel_tex_primitive:nnn { batchmode } { set_interaction } { 0 } +\__unravel_tex_primitive:nnn { nonstopmode } { set_interaction } { 1 } +\__unravel_tex_primitive:nnn { scrollmode } { set_interaction } { 2 } +\__unravel_tex_primitive:nnn { errorstopmode } { set_interaction } { 3 } +\__unravel_tex_primitive:nnn { letterspacefont } { letterspace_font } { 0 } +\__unravel_tex_primitive:nnn { pdfcopyfont } { pdf_copy_font } { 0 } +\__unravel_tex_primitive:nnn { undefined } { undefined_cs } { 0 } +\__unravel_tex_primitive:nnn { ndefined } { undefined_cs } { 0 } +\__unravel_tex_primitive:nnn { expandafter } { expand_after } { 0 } +\__unravel_tex_primitive:nnn { unless } { expand_after } { 1 } +\__unravel_tex_primitive:nnn { pdfprimitive } { no_expand } { 1 } +\__unravel_tex_primitive:nnn { noexpand } { no_expand } { 0 } +\__unravel_tex_primitive:nnn { input } { input } { 0 } +\__unravel_tex_primitive:nnn { endinput } { input } { 1 } +\__unravel_tex_primitive:nnn { scantokens } { input } { 2 } +\__unravel_tex_primitive:nnn { if } { if_test } { 0 } +\__unravel_tex_primitive:nnn { ifcat } { if_test } { 1 } +\__unravel_tex_primitive:nnn { ifnum } { if_test } { 2 } +\__unravel_tex_primitive:nnn { ifdim } { if_test } { 3 } +\__unravel_tex_primitive:nnn { ifodd } { if_test } { 4 } +\__unravel_tex_primitive:nnn { ifvmode } { if_test } { 5 } +\__unravel_tex_primitive:nnn { ifhmode } { if_test } { 6 } +\__unravel_tex_primitive:nnn { ifmmode } { if_test } { 7 } +\__unravel_tex_primitive:nnn { ifinner } { if_test } { 8 } +\__unravel_tex_primitive:nnn { ifvoid } { if_test } { 9 } +\__unravel_tex_primitive:nnn { ifhbox } { if_test } { 10 } +\__unravel_tex_primitive:nnn { ifvbox } { if_test } { 11 } +\__unravel_tex_primitive:nnn { ifx } { if_test } { 12 } +\__unravel_tex_primitive:nnn { ifeof } { if_test } { 13 } +\__unravel_tex_primitive:nnn { iftrue } { if_test } { 14 } +\__unravel_tex_primitive:nnn { iffalse } { if_test } { 15 } +\__unravel_tex_primitive:nnn { ifcase } { if_test } { 16 } +\__unravel_tex_primitive:nnn { ifdefined } { if_test } { 17 } +\__unravel_tex_primitive:nnn { ifcsname } { if_test } { 18 } +\__unravel_tex_primitive:nnn { iffontchar } { if_test } { 19 } +\__unravel_tex_primitive:nnn { ifincsname } { if_test } { 20 } +\__unravel_tex_primitive:nnn { ifpdfprimitive } { if_test } { 21 } +\__unravel_tex_primitive:nnn { ifpdfabsnum } { if_test } { 22 } +\__unravel_tex_primitive:nnn { ifpdfabsdim } { if_test } { 23 } +\__unravel_tex_primitive:nnn { fi } { fi_or_else } { 2 } +\__unravel_tex_primitive:nnn { else } { fi_or_else } { 3 } +\__unravel_tex_primitive:nnn { or } { fi_or_else } { 4 } +\__unravel_tex_primitive:nnn { csname } { cs_name } { 0 } +\__unravel_tex_primitive:nnn { number } { convert } { 0 } +\__unravel_tex_primitive:nnn { romannumeral } { convert } { 1 } +\__unravel_tex_primitive:nnn { string } { convert } { 2 } +\__unravel_tex_primitive:nnn { meaning } { convert } { 3 } +\__unravel_tex_primitive:nnn { fontname } { convert } { 4 } +\__unravel_tex_primitive:nnn { eTeXrevision } { convert } { 5 } +\__unravel_tex_primitive:nnn { pdftexrevision } { convert } { 6 } +\__unravel_tex_primitive:nnn { pdftexbanner } { convert } { 7 } +\__unravel_tex_primitive:nnn { pdffontname } { convert } { 8 } +\__unravel_tex_primitive:nnn { pdffontobjnum } { convert } { 9 } +\__unravel_tex_primitive:nnn { pdffontsize } { convert } { 10 } +\__unravel_tex_primitive:nnn { pdfpageref } { convert } { 11 } +\__unravel_tex_primitive:nnn { pdfxformname } { convert } { 12 } +\__unravel_tex_primitive:nnn { pdfescapestring } { convert } { 13 } +\__unravel_tex_primitive:nnn { pdfescapename } { convert } { 14 } +\__unravel_tex_primitive:nnn { leftmarginkern } { convert } { 15 } +\__unravel_tex_primitive:nnn { rightmarginkern } { convert } { 16 } +\__unravel_tex_primitive:nnn { pdfstrcmp } { convert } { 17 } +\__unravel_tex_primitive:nnn { pdfcolorstackinit } { convert } { 18 } +\__unravel_tex_primitive:nnn { pdfescapehex } { convert } { 19 } +\__unravel_tex_primitive:nnn { pdfunescapehex } { convert } { 20 } +\__unravel_tex_primitive:nnn { pdfcreationdate } { convert } { 21 } +\__unravel_tex_primitive:nnn { pdffilemoddate } { convert } { 22 } +\__unravel_tex_primitive:nnn { pdffilesize } { convert } { 23 } +\__unravel_tex_primitive:nnn { pdfmdfivesum } { convert } { 24 } +\__unravel_tex_primitive:nnn { pdffiledump } { convert } { 25 } +\__unravel_tex_primitive:nnn { pdfmatch } { convert } { 26 } +\__unravel_tex_primitive:nnn { pdflastmatch } { convert } { 27 } +\__unravel_tex_primitive:nnn { pdfuniformdeviate } { convert } { 28 } +\__unravel_tex_primitive:nnn { pdfnormaldeviate } { convert } { 29 } +\__unravel_tex_primitive:nnn { pdfinsertht } { convert } { 30 } +\__unravel_tex_primitive:nnn { pdfximagebbox } { convert } { 31 } +\__unravel_tex_primitive:nnn { jobname } { convert } { 32 } +\__unravel_tex_primitive:nnn { the } { the } { 0 } +\__unravel_tex_primitive:nnn { unexpanded } { the } { 1 } +\__unravel_tex_primitive:nnn { detokenize } { the } { 5 } +\__unravel_tex_primitive:nnn { topmark } { top_bot_mark } { 0 } +\__unravel_tex_primitive:nnn { firstmark } { top_bot_mark } { 1 } +\__unravel_tex_primitive:nnn { botmark } { top_bot_mark } { 2 } +\__unravel_tex_primitive:nnn { splitfirstmark } { top_bot_mark } { 3 } +\__unravel_tex_primitive:nnn { splitbotmark } { top_bot_mark } { 4 } +\__unravel_tex_primitive:nnn { topmarks } { top_bot_mark } { 5 } +\__unravel_tex_primitive:nnn { firstmarks } { top_bot_mark } { 6 } +\__unravel_tex_primitive:nnn { botmarks } { top_bot_mark } { 7 } +\__unravel_tex_primitive:nnn { splitfirstmarks } { top_bot_mark } { 8 } +\__unravel_tex_primitive:nnn { splitbotmarks } { top_bot_mark } { 9 } +\cs_new_protected_nopar:Npn \__unravel_get_next: + { + \__unravel_input_if_empty:TF + { \__unravel_exit:w } + { + \__unravel_input_gpop:N \l__unravel_head_gtl + \gtl_head_do:NN \l__unravel_head_gtl \__unravel_get_next_aux:w + \gtl_if_tl:NTF \l__unravel_head_gtl + { + \tl_set:Nx \l__unravel_head_tl + { \gtl_head:N \l__unravel_head_gtl } + } + { \tl_clear:N \l__unravel_head_tl } + } + } +\cs_new_protected_nopar:Npn \__unravel_get_next_aux:w + { \cs_set_eq:NN \l__unravel_head_token } +\cs_new_protected_nopar:Npn \__unravel_get_token: + { + \__unravel_get_next: + \__unravel_set_cmd: + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd: + { + \__unravel_set_cmd_aux_meaning: + \__unravel_set_cmd_aux_primitive:oTF { \l__unravel_head_meaning_tl } + { } + { + \__unravel_token_if_expandable:NTF \l__unravel_head_token + { + \token_if_macro:NTF \l__unravel_head_token + { \__unravel_set_cmd_aux_macro: } + { \__unravel_set_cmd_aux_unknown: } + } + { + \token_if_cs:NTF \l__unravel_head_token + { \__unravel_set_cmd_aux_cs: } + { \__unravel_set_cmd_aux_char: } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd_aux_meaning: + { + \tl_set:Nx \l__unravel_head_meaning_tl + { + \exp_after:wN \__unravel_strip_escape:w + \token_to_meaning:N \l__unravel_head_token + \tl_to_str:n { : } + } + \tl_set:Nx \l__unravel_head_meaning_tl + { + \exp_after:wN \__unravel_set_cmd_aux_meaning:w + \l__unravel_head_meaning_tl \q_stop + } + } +\use:x + { + \cs_new:Npn \exp_not:N \__unravel_set_cmd_aux_meaning:w + ##1 \token_to_str:N : ##2 \exp_not:N \q_stop {##1} + } +\cs_new_protected:Npn \__unravel_set_cmd_aux_primitive:nTF #1#2 + { + \cs_if_exist:cTF { c__unravel_tex_#1_tl } + { + \exp_last_unbraced:Nv \__unravel_set_cmd_aux_primitive:nn + { c__unravel_tex_#1_tl } + #2 + } + } +\cs_generate_variant:Nn \__unravel_set_cmd_aux_primitive:nTF { o } +\cs_new_protected:Npn \__unravel_set_cmd_aux_primitive:nn #1#2 + { + \int_set:Nn \l__unravel_head_cmd_int {#1} + \int_set:Nn \l__unravel_head_char_int {#2} + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd_aux_macro: + { + \int_set:Nn \l__unravel_head_cmd_int { \__unravel_tex_use:n { call } } + \int_zero:N \l__unravel_head_char_int + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd_aux_unknown: + { + \exp_last_unbraced:NV \__unravel_set_cmd_aux_primitive:nn + \c__unravel_tex_relax_tl + \msg_error:nnx { unravel } { unknown-primitive } + { \l__unravel_head_meaning_tl } + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd_aux_cs: + { + \tl_if_in:NoTF \l__unravel_head_meaning_tl + { \tl_to_str:n { elect~font } } + { + \exp_last_unbraced:NV \__unravel_set_cmd_aux_primitive:nn + \c__unravel_tex_nullfont_tl + } + { \__unravel_set_cmd_aux_numeric: } + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd_aux_numeric: + { + \tl_set:Nx \l__unravel_tmpa_tl + { + \exp_after:wN \__unravel_set_cmd_aux_numeric:N + \l__unravel_head_meaning_tl + 0 + } + \exp_after:wN \__unravel_set_cmd_aux_numeric:w + \l__unravel_tmpa_tl \q_stop + } +\cs_new:Npn \__unravel_set_cmd_aux_numeric:N #1 + { + \if_int_compare:w `#1 < `A \exp_stop_f: + \exp_not:N \q_mark + \exp_after:wN \use_i:nn + \fi: + #1 \__unravel_set_cmd_aux_numeric:N + } +\cs_new_protected:Npn \__unravel_set_cmd_aux_numeric:w #1 \q_mark #2 \q_stop + { + \str_case:nnF {#1} + { + { char } { \__unravel_set_cmd_aux_given:n { char_given } } + { mathchar } { \__unravel_set_cmd_aux_given:n { math_given } } + } + { + \__unravel_set_cmd_aux_primitive:nTF {#1} + { } + { \__unravel_set_cmd_aux_unknown: } + \int_add:Nn \l__unravel_head_char_int { 100 000 } + } + \int_add:Nn \l__unravel_head_char_int {#2} + } +\cs_new_protected:Npn \__unravel_set_cmd_aux_given:n #1 + { + \int_set:Nn \l__unravel_head_cmd_int { \__unravel_tex_use:n {#1} } + \int_zero:N \l__unravel_head_char_int + } +\cs_new_protected_nopar:Npn \__unravel_set_cmd_aux_char: + { + \tl_set:Nx \l__unravel_head_meaning_tl + { \token_to_meaning:N \l__unravel_head_token } + \token_if_eq_catcode:NNT \l__unravel_head_token \c_catcode_other_token + { \tl_set:Nn \l__unravel_head_meaning_tl { other~ } } + \exp_after:wN \__unravel_set_cmd_aux_char:w + \l__unravel_head_meaning_tl \q_stop + \exp_args:NNx \int_set:Nn \l__unravel_head_char_int + { ` \__unravel_token_to_char:N \l__unravel_head_token } + } +\cs_new_protected:Npn \__unravel_set_cmd_aux_char:w #1 ~ #2 \q_stop + { + \int_set:Nn \l__unravel_head_cmd_int + { \__unravel_tex_use:n { #1_char } } + } +\cs_new_nopar:Npn \__unravel_input_to_str: + { + \int_step_function:nnnN \g__unravel_input_int { -1 } { 1 } + \__unravel_input_to_str_aux:n + } +\cs_new:Npn \__unravel_input_to_str_aux:n #1 + { \gtl_to_str:c { g__unravel_input_#1_gtl } } +\cs_new_protected:Npn \__unravel_input_if_empty:TF + { + \int_compare:nNnTF \g__unravel_input_int = \c_zero + { \use_i:nn } + { + \gtl_if_empty:cTF + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } + { + \int_gdecr:N \g__unravel_input_int + \__unravel_input_if_empty:TF + } + { + \__unravel_input_split: + \use_ii:nn + } + } + } +\cs_new_protected_nopar:Npn \__unravel_input_split: + { + \int_compare:nNnT \g__unravel_input_int = \c_one + { + \exp_args:Nc \__unravel_input_split_aux:N + { g__unravel_input_1_gtl } + } + } +\cs_new_protected:Npn \__unravel_input_split_aux:N #1 + { + \gtl_if_tl:NT #1 + { + \gtl_if_head_is_N_type:NT #1 + { + \tl_set:Nx \l__unravel_input_tmpa_tl { \gtl_left_tl:N #1 } + \exp_last_unbraced:Nx \__unravel_input_split_auxii:N + { \tl_head:N \l__unravel_input_tmpa_tl } + } + } + } +\cs_new_protected:Npn \__unravel_input_split_auxii:N #1 + { + \token_if_parameter:NF #1 + { + \tl_replace_all:Nnn \l__unravel_input_tmpa_tl {#1} + { \__unravel_input_split_end: \__unravel_input_split_auxiii:w #1 } + \group_begin: + \cs_set:Npn \__unravel_input_split_auxiii:w + ##1 \__unravel_input_split_end: { + 1 } + \int_gset:Nn \g__unravel_input_int + { 0 \l__unravel_input_tmpa_tl \__unravel_input_split_end: } + \group_end: + \int_gset_eq:NN \g__unravel_input_tmpa_int \g__unravel_input_int + \l__unravel_input_tmpa_tl \__unravel_input_split_end: + } + } +\cs_new_nopar:Npn \__unravel_input_split_end: { } +\cs_new_protected:Npn \__unravel_input_split_auxiii:w + #1 \__unravel_input_split_end: + { + \gtl_gset:cn + { g__unravel_input_ \int_use:N \g__unravel_input_tmpa_int _gtl } {#1} + \int_gdecr:N \g__unravel_input_tmpa_int + } +\cs_new_protected_nopar:Npn \__unravel_input_gset:n + { + \int_gset_eq:NN \g__unravel_input_int \c_one + \gtl_gset:cn { g__unravel_input_1_gtl } + } +\cs_new_protected:Npn \__unravel_input_get:N #1 + { + \__unravel_input_if_empty:TF + { \gtl_set:Nn #1 { \q_no_value } } + { + \gtl_get_left:cN + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } #1 + } + } +\cs_new_protected:Npn \__unravel_input_gpop:N #1 + { + \__unravel_input_if_empty:TF + { \gtl_set:Nn #1 { \q_no_value } } + { + \gtl_gpop_left:cN + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } #1 + } + } +\cs_new_protected_nopar:Npn \__unravel_input_merge: + { + \int_gdecr:N \g__unravel_input_int + \gtl_gconcat:ccc + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } + { g__unravel_input_ \int_eval:n { \g__unravel_input_int + 1 } _gtl } + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } + \gtl_gclear:c + { g__unravel_input_ \int_eval:n { \g__unravel_input_int + 1 } _gtl } + } +\prg_new_protected_conditional:Npnn \__unravel_input_gpop_item:N #1 { F } + { + \int_compare:nNnTF \g__unravel_input_int = \c_zero + { \prg_return_false: } + { + \exp_args:Nc \__unravel_input_gpop_item_aux:NN + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } #1 + } + } +\cs_new_protected:Npn \__unravel_input_gpop_item_aux:NN #1#2 + { + \gtl_gpop_left_item:NNTF #1#2 + { \prg_return_true: } + { + \int_compare:nNnTF { \gtl_extra_end:N #1 } > \c_zero + { \prg_return_false: } + { + \int_compare:nNnTF \g__unravel_input_int = \c_one + { \prg_return_false: } + { + \__unravel_input_merge: + \exp_args:Nc \__unravel_input_gpop_item_aux:NN + { + g__unravel_input_ + \int_use:N \g__unravel_input_int _gtl + } + #2 + } + } + } + } +\cs_new_protected:Npn \__unravel_input_gpop_tl:N #1 + { \tl_clear:N #1 \__unravel_input_gpop_tl_aux:N #1 } +\cs_new_protected:Npn \__unravel_input_gpop_tl_aux:N #1 + { + \int_compare:nNnF \g__unravel_input_int = \c_zero + { + \exp_args:Nc \__unravel_input_gpop_tl_aux:NN + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } #1 + } + } +\cs_new_protected:Npn \__unravel_input_gpop_tl_aux:NN #1#2 + { + \gtl_if_tl:NTF #1 + { + \tl_put_right:Nx #2 { \gtl_left_tl:N #1 } + \gtl_gclear:N #1 + \int_gdecr:N \g__unravel_input_int + \__unravel_input_gpop_tl_aux:N #2 + } + { + \int_compare:nNnTF \g__unravel_input_int > \c_one + { \int_compare:nNnTF { \gtl_extra_end:N #1 } > \c_zero } + { \use_i:nn } + { + \tl_put_right:Nx #2 { \gtl_left_tl:N #1 } + \gtl_gpop_left_tl:N #1 + } + { + \__unravel_input_merge: + \__unravel_input_gpop_tl_aux:N #2 + } + } + } +\cs_new_protected_nopar:Npn \__unravel_back_input:n + { + \int_gincr:N \g__unravel_input_int + \gtl_gset:cn { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } + } +\cs_generate_variant:Nn \__unravel_back_input:n { x , V , o } +\cs_new_protected:Npn \__unravel_back_input_gtl:N #1 + { + \gtl_if_tl:NTF #1 + { \__unravel_back_input:x { \gtl_left_tl:N #1 } } + { + \gtl_gconcat:cNc + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } + #1 + { g__unravel_input_ \int_use:N \g__unravel_input_int _gtl } + } + } +\cs_new_protected_nopar:Npn \__unravel_back_input: + { \__unravel_back_input_gtl:N \l__unravel_head_gtl } +\cs_new_protected_nopar:Npn \__unravel_back_input_tl_o: + { + \tl_set:Nx \l__unravel_tmpa_tl + { \exp_args:NV \exp_not:o \l__unravel_head_tl } + \__unravel_back_input:V \l__unravel_tmpa_tl + \__unravel_print_done:x + { \tl_to_str:N \l__unravel_head_tl = \tl_to_str:N \l__unravel_tmpa_tl } + } +\cs_new_protected_nopar:Npn \__unravel_insert_relax: + { + \__unravel_back_input: + \gtl_set_eq:NN \l__unravel_head_gtl \c__unravel_frozen_relax_gtl + \__unravel_back_input: + \__unravel_print_action: + } +\cs_new_protected_nopar:Npn \__unravel_insert_group_begin_error: + { + \msg_error:nn { unravel } { missing-lbrace } + \__unravel_back_input: + \gtl_set_eq:NN \l__unravel_head_gtl \c_group_begin_gtl + \__unravel_back_input: + \__unravel_print_action: + } +\cs_new_protected_nopar:Npn \__unravel_insert_dollar_error: + { + \__unravel_back_input: + \__unravel_back_input:n { $ } % $ + \msg_error:nn { unravel } { missing-dollar } + \__unravel_print_action: + } +\group_begin: + \char_set_lccode:nn { `. } { `: } + \tex_lowercase:D + { + \cs_new:Npn \__unravel_macro_split_do:NN #1 + { + \exp_after:wN \__unravel_macro_split_do:wN + \token_to_meaning:N #1 \q_mark { } . -> \q_mark \use_none:nnnn + \q_stop + } + \cs_new:Npn \__unravel_macro_split_do:wN + #1 . #2 -> #3 \q_mark #4 #5 \q_stop #6 + { #4 #6 {#1} {#2} {#3} } + } +\group_end: +\cs_new:Npn \__unravel_macro_prefix:N #1 + { \__unravel_macro_split_do:NN #1 \use_i:nnn } +\cs_new:Npn \__unravel_macro_parameter:N #1 + { \__unravel_macro_split_do:NN #1 \use_ii:nnn } +\cs_new:Npn \__unravel_macro_replacement:N #1 + { \__unravel_macro_split_do:NN #1 \use_iii:nnn } +\cs_new_protected_nopar:Npn \__unravel_macro_call: + { + \bool_if:NTF \g__unravel_speedup_macros_bool + { + \tl_set:Nx \l__unravel_tmpa_tl + {^ \exp_after:wN \__unravel_macro_parameter:N \l__unravel_head_tl } + \tl_if_in:NVTF \c__unravel_parameters_tl \l__unravel_tmpa_tl + { \__unravel_macro_call_quick: } { \__unravel_macro_call_safe: } + } + { \__unravel_macro_call_safe: } + \exp_args:NV \__unravel_back_input:o \l__unravel_head_tl + \__unravel_print_done:x { \g__unravel_action_text_str } + } +\cs_new_protected_nopar:Npn \__unravel_macro_call_safe: + { + \__unravel_input_gpop_tl:N \l__unravel_tmpa_tl + \tl_put_right:NV \l__unravel_head_tl \l__unravel_tmpa_tl + } +\cs_new_protected_nopar:Npn \__unravel_macro_call_quick: + { + \exp_after:wN \__unravel_macro_call_quick_loop:NN \l__unravel_tmpa_tl + { ? \use_none_delimit_by_q_stop:w } \q_stop + } +\cs_new_protected_nopar:Npn \__unravel_macro_call_quick_loop:NN #1#2 + { + \use_none:n #2 + \__unravel_input_gpop_item:NF \l__unravel_tmpa_tl + { \msg_error:nn { unravel } { runaway-macro-parameter } } + \tl_put_right:Nx \l__unravel_head_tl + { { \exp_not:V \l__unravel_tmpa_tl } } + \__unravel_macro_call_quick_loop:NN + } +\cs_new_protected_nopar:Npn \__unravel_expand: + { + \__unravel_set_action_text: + \bool_if:NT \l__unravel_debug_bool + { + \__unravel_set_cmd: + \iow_term:x { Exp:~\int_use:N \l__unravel_head_cmd_int } + } + \token_if_macro:NTF \l__unravel_head_token + { \__unravel_macro_call: } + { \__unravel_expand_nonmacro: } + } +\cs_new_protected_nopar:Npn \__unravel_expand_nonmacro: + { + \__unravel_set_cmd_aux_meaning: + \__unravel_set_cmd_aux_primitive:oTF { \l__unravel_head_meaning_tl } + { + \cs_if_exist_use:cF + { __unravel_expandable_ \int_use:N \l__unravel_head_cmd_int : } + { \msg_error:nnx { unravel } { internal } { expandable } } + } + { + \msg_error:nnx { unravel } { unknown-primitive } + { \l__unravel_head_meaning_tl } + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \__unravel_print_action: + } + } +\cs_new_protected_nopar:Npn \__unravel_get_x_next: + { + \__unravel_get_next: + \__unravel_token_if_expandable:NT \l__unravel_head_token + { + \__unravel_expand: + \__unravel_get_x_next: + } + } +\cs_new_protected_nopar:Npn \__unravel_get_x_or_protected: + { + \__unravel_get_next: + \__unravel_token_if_protected:NF \l__unravel_head_token + { + \__unravel_expand: + \__unravel_get_x_or_protected: + } + } +\cs_new_protected_nopar:Npn \__unravel_get_x_non_blank: + { + \__unravel_get_x_next: + \token_if_eq_catcode:NNT \l__unravel_head_token \c_space_token + { \__unravel_get_x_non_blank: } + } +\cs_new_protected_nopar:Npn \__unravel_get_x_non_relax: + { + \__unravel_get_x_next: + \token_if_eq_meaning:NNT \l__unravel_head_token \scan_stop: + { \__unravel_get_x_non_relax: } + { + \token_if_eq_catcode:NNT \l__unravel_head_token \c_space_token + { \__unravel_get_x_non_relax: } + } + } +\cs_new_protected_nopar:Npn \__unravel_skip_optional_space: + { + \__unravel_get_x_next: + \token_if_eq_catcode:NNF \l__unravel_head_token \c_space_token + { \__unravel_back_input: } + } +\cs_new_protected_nopar:Npn \__unravel_scan_optional_equals: + { + \__unravel_get_x_non_blank: + \tl_if_eq:NNTF \l__unravel_head_tl \c__unravel_eq_tl + { \__unravel_prev_input:n { = } } + { + \__unravel_prev_input_silent:n { = } + \__unravel_back_input: + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_left_brace: + { + \__unravel_get_x_non_relax: + \token_if_eq_catcode:NNF \l__unravel_head_token \c_group_begin_token + { \__unravel_insert_group_begin_error: } + } +\cs_new_protected:Npn \__unravel_scan_keyword:n #1 + { \__unravel_scan_keyword:nTF {#1} { } { } } +\prg_new_protected_conditional:Npnn \__unravel_scan_keyword:n #1 + { T , F , TF } + { + \seq_gput_right:NV \g__unravel_prev_input_seq \c_empty_gtl + \__unravel_scan_keyword_loop:NNN \c_true_bool + #1 \q_recursion_tail \q_recursion_tail \q_recursion_stop + } +\cs_new_protected:Npn \__unravel_scan_keyword_loop:NNN #1#2#3 + { + \quark_if_recursion_tail_stop_do:nn {#2} + { \__unravel_scan_keyword_true: } + \quark_if_recursion_tail_stop_do:nn {#3} + { \msg_error:nnx { unravel } { internal } { odd-keyword-length } } + \__unravel_get_x_next: + \__unravel_scan_keyword_test:NNTF #2#3 + { + \__unravel_prev_input_gtl:N \l__unravel_head_gtl + \__unravel_scan_keyword_loop:NNN \c_false_bool + } + { + \token_if_eq_catcode:NNF \l__unravel_head_token \c_space_token + { \__unravel_scan_keyword_false:w } + \bool_if:NF #1 + { \__unravel_scan_keyword_false:w } + \__unravel_scan_keyword_loop:NNN #1#2#3 + } + } +\prg_new_protected_conditional:Npnn \__unravel_scan_keyword_test:NN #1#2 + { TF } + { + \__unravel_gtl_if_head_is_definable:NTF \l__unravel_head_gtl + { \prg_return_false: } + { + \str_if_eq_x:nnTF + { \str_head:f { \gtl_to_str:N \l__unravel_head_gtl } } {#1} + { \prg_return_true: } + { + \str_if_eq_x:nnTF + { \str_head:f { \gtl_to_str:N \l__unravel_head_gtl } } {#2} + { \prg_return_true: } + { \prg_return_false: } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_keyword_true: + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpb_gtl + \__unravel_prev_input:x { \gtl_to_str:N \l__unravel_tmpb_gtl } + \prg_return_true: + } +\cs_new_protected_nopar:Npn \__unravel_scan_keyword_false:w + #1 \q_recursion_stop + { + \__unravel_back_input: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpb_gtl + \__unravel_back_input_gtl:N \l__unravel_tmpb_gtl + \prg_return_false: + } +\cs_new_protected_nopar:Npn \__unravel_scan_font_ident: + { + \__unravel_get_x_non_blank: + \__unravel_set_cmd: + \int_case:nnF \l__unravel_head_cmd_int + { + { \__unravel_tex_use:n { def_font } } + { \__unravel_prev_input:V \l__unravel_head_tl } + { \__unravel_tex_use:n { letterspace_font } } + { \__unravel_prev_input:V \l__unravel_head_tl } + { \__unravel_tex_use:n { pdf_copy_font } } + { \__unravel_prev_input:V \l__unravel_head_tl } + { \__unravel_tex_use:n { set_font } } + { \__unravel_prev_input:V \l__unravel_head_tl } + { \__unravel_tex_use:n { def_family } } + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_int: + } + } + { + \msg_error:nn { unravel } { missing-font-id } + \__unravel_prev_input:n { \tex_nullfont:D } + \__unravel_back_error: + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_font_int: + { + \int_case:nnF \l__unravel_head_char_int + { + { 0 } { \__unravel_scan_font_ident: } + { 1 } { \__unravel_scan_font_ident: } + { 6 } { \__unravel_scan_font_ident: } + } + { \__unravel_scan_font_ident: \__unravel_scan_int: } + } +\cs_new_protected_nopar:Npn \__unravel_scan_font_dimen: + { + \__unravel_scan_int: + \__unravel_scan_font_ident: + } +\cs_new_protected:Npn \__unravel_scan_something_internal:n #1 + { + \__unravel_set_cmd: + \__unravel_set_action_text: + \tl_set:Nf \l__unravel_tmpa_tl { \__unravel_thing_case: } + \exp_after:wN \__unravel_scan_something_aux:nwn + \l__unravel_tmpa_tl \q_stop {#1} + } +\cs_new_protected:Npn \__unravel_scan_something_aux:nwn #1#2 \q_stop #3 + { + \int_compare:nNnTF + { ( #1 + \c_two ) / \c_four } > { ( #3 + \c_two ) / \c_four } + { \__unravel_back_input: } + { + \tl_if_empty:nF {#2} + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + #2 + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + } + } + \tl_set:Nx \l__unravel_tmpa_tl + { \__unravel_thing_use:nnN {#1} {#3} \l__unravel_head_tl } + \__unravel_prev_input_silent:V \l__unravel_tmpa_tl + \__unravel_set_action_text: + \__unravel_set_action_text:x + { \g__unravel_action_text_str = ~ \tl_to_str:N \l__unravel_tmpa_tl } + \int_compare:nNnF {#3} > { 3 } { \__unravel_print_action: } + \int_gset:Nn \g__unravel_val_level_int {#1} + } +\cs_new_nopar:Npn \__unravel_thing_case: + { + \int_case:nnF \l__unravel_head_cmd_int + { + { 68 } { 0 } % char_given + { 69 } { 0 } % math_given + { 70 } { \__unravel_thing_last_item: } % last_item + { 71 } { 5 \__unravel_scan_toks_register: } % toks_register + { 72 } { 5 } % assign_toks + { 73 } { 0 } % assign_int + { 74 } { 1 } % assign_dimen + { 75 } { 2 } % assign_glue + { 76 } { 3 } % assign_mu_glue + { 77 } { 1 \__unravel_scan_font_dimen: } % assign_font_dimen + { 78 } { 0 \__unravel_scan_font_int: } % assign_font_int + { 79 } { 0 } % set_aux + { 80 } { 0 } % set_prev_graf + { 81 } { 1 } % set_page_dimen + { 82 } { 0 } % set_page_int + { 83 } { 1 \__unravel_scan_int: } % set_box_dimen + { 84 } { 0 \__unravel_scan_int: } % set_shape + { 85 } { 0 \__unravel_scan_int: } % def_code + { 86 } { 4 \__unravel_scan_font_ident: } % def_family + { 87 } { 4 \__unravel_scan_font_ident: } % set_font + { 88 } { 4 \__unravel_scan_font_ident: } % def_font + { 89 } { \__unravel_thing_register: } % register + } + { 8 } + } +\cs_new_nopar:Npn \__unravel_thing_last_item: + { + \int_compare:nNnTF \l__unravel_head_char_int < { 26 } + { + \int_case:nnF \l__unravel_head_char_int + { + { 1 } { 1 } % lastkern + { 2 } { 2 } % lastskip + } + { 0 } % other integer parameters + } + { + \int_case:nnF \l__unravel_head_char_int + { + { 26 } { 0 \__unravel_scan_normal_glue: } % gluestretchorder + { 27 } { 0 \__unravel_scan_normal_glue: } % glueshrinkorder + { 28 } % fontcharwd + { 1 \__unravel_scan_font_ident: \__unravel_scan_int: } + { 29 } % fontcharht + { 1 \__unravel_scan_font_ident: \__unravel_scan_int: } + { 30 } % fontchardp + { 1 \__unravel_scan_font_ident: \__unravel_scan_int: } + { 31 } % fontcharic + { 1 \__unravel_scan_font_ident: \__unravel_scan_int: } + { 32 } { 1 \__unravel_scan_int: } % parshapelength + { 33 } { 1 \__unravel_scan_int: } % parshapeindent + { 34 } { 1 \__unravel_scan_int: } % parshapedimen + { 35 } { 1 \__unravel_scan_normal_glue: } % gluestretch + { 36 } { 1 \__unravel_scan_normal_glue: } % glueshrink + { 37 } { 2 \__unravel_scan_mu_glue: } % mutoglue + { 38 } { 3 \__unravel_scan_normal_glue: } % gluetomu + { 39 } % numepr + { 0 \__unravel_scan_expr:N \__unravel_scan_int: } + { 40 } % dimexpr + { 1 \__unravel_scan_expr:N \__unravel_scan_normal_dimen: } + { 41 } % glueexpr + { 2 \__unravel_scan_expr:N \__unravel_scan_normal_glue: } + { 42 } % muexpr + { 3 \__unravel_scan_expr:N \__unravel_scan_mu_glue: } + } + { } + } + } +\cs_new_nopar:Npn \__unravel_thing_register: + { + \int_eval:n { \l__unravel_head_char_int / 1 000 000 - 1 } + \int_compare:nNnT { \tl_tail:V \l__unravel_head_char_int } = \c_zero + { \__unravel_scan_int: } + } +\cs_new_protected:Npn \__unravel_scan_toks_register: + { + \int_compare:nNnT \l__unravel_head_char_int = \c_zero + { \__unravel_scan_int: } + } +\cs_new:Npn \__unravel_thing_use:nnN #1#2 + { + \int_case:nnF { \int_min:nn {#1} {#2} } + { + { 0 } \int_eval:n + { 1 } \dim_eval:n + { 2 } \skip_eval:n + { 3 } \muskip_eval:n + } + { \tex_the:D } + } +\cs_new_protected:Npn \__unravel_scan_expr:N #1 + { \__unravel_scan_expr_aux:NN #1 \c_false_bool } +\cs_new_protected:Npn \__unravel_scan_expr_aux:NN #1#2 + { + \__unravel_get_x_non_blank: + \__unravel_scan_factor:N #1 + \__unravel_scan_expr_op:NN #1#2 + } +\cs_new_protected:Npn \__unravel_scan_expr_op:NN #1#2 + { + \__unravel_get_x_non_blank: + \tl_case:NnF \l__unravel_head_tl + { + \c__unravel_plus_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_expr_aux:NN #1#2 + } + \c__unravel_minus_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_expr_aux:NN #1#2 + } + \c__unravel_times_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_get_x_non_blank: + \__unravel_scan_factor:N \__unravel_scan_int: + \__unravel_scan_expr_op:NN #1#2 + } + \c__unravel_over_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_get_x_non_blank: + \__unravel_scan_factor:N \__unravel_scan_int: + \__unravel_scan_expr_op:NN #1#2 + } + \c__unravel_rp_tl + { + \bool_if:NTF #2 + { \__unravel_prev_input:V \l__unravel_head_tl } + { \__unravel_back_input: } + } + } + { + \bool_if:NTF #2 + { + \msg_error:nn { unravel } { missing-rparen } + \__unravel_back_input: + \__unravel_prev_input:V \c__unravel_rp_tl + } + { + \token_if_eq_meaning:NNF \l__unravel_head_token \scan_stop: + { \__unravel_back_input: } + } + } + } +\cs_new_protected:Npn \__unravel_scan_factor:N #1 + { + \tl_if_eq:NNTF \l__unravel_head_tl \c__unravel_lp_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_expr_aux:NN #1 \c_true_bool + } + { + \__unravel_back_input: + #1 + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_signs: + { + \__unravel_get_x_non_blank: + \tl_if_eq:NNTF \l__unravel_head_tl \c__unravel_plus_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_signs: + } + { + \tl_if_eq:NNT \l__unravel_head_tl \c__unravel_minus_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_signs: + } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_int: + { + \__unravel_scan_signs: + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int < { \__unravel_tex_use:n { min_internal } } + { \__unravel_scan_int_char: } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int + > { \__unravel_tex_use:n { max_internal } } + { \__unravel_scan_int_char: } + { \__unravel_scan_something_internal:n { 0 } } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_int_char: + { + \tl_case:NnF \l__unravel_head_tl + { + \c__unravel_lq_tl { \__unravel_scan_int_lq: } + \c__unravel_rq_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_get_x_next: + \__unravel_scan_int_explicit:n { ' } + } + \c__unravel_dq_tl + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_get_x_next: + \__unravel_scan_int_explicit:n { " } + } + } + { \__unravel_scan_int_explicit:n { } } + } +\cs_new_protected_nopar:Npn \__unravel_scan_int_lq: + { + \__unravel_get_next: + \__unravel_gtl_if_head_is_definable:NF \l__unravel_head_gtl + { + \tl_set:Nx \l__unravel_head_tl + { \__unravel_token_to_char:N \l__unravel_head_token } + } + \tl_set:Nx \l__unravel_tmpa_tl + { \int_eval:n { \exp_after:wN ` \l__unravel_head_tl } } + \__unravel_prev_input_silent:V \l__unravel_tmpa_tl + \__unravel_print_action:x + { ` \gtl_to_str:N \l__unravel_head_gtl = \l__unravel_tmpa_tl } + \__unravel_skip_optional_space: + } +\cs_new_protected:Npn \__unravel_scan_int_explicit:n #1 + { + \if_int_compare:w \c_one + < #1 1 \exp_after:wN \exp_not:N \l__unravel_head_tl \exp_stop_f: + \exp_after:wN \use_i:nn + \else: + \exp_after:wN \use_ii:nn + \fi: + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_get_x_next: + \__unravel_scan_int_explicit:n {#1} + } + { + \token_if_eq_catcode:NNF \l__unravel_head_token \c_space_token + { \__unravel_back_input: } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_normal_dimen: + { \__unravel_scan_dimen:NN \c_false_bool \c_false_bool } +\cs_new_protected:Npn \__unravel_scan_dimen:NN #1#2 + { + \__unravel_scan_signs: + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int < { \__unravel_tex_use:n { min_internal } } + { \__unravel_scan_dimen_char:NN #1#2 } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int + > { \__unravel_tex_use:n { max_internal } } + { \__unravel_scan_dimen_char:NN #1#2 } + { + \bool_if:NTF #1 + { + \__unravel_scan_something_internal:n { 3 } + \int_case:nnF \g__unravel_val_level_int + { + { 0 } { \__unravel_scan_dim_unit:NN #1 #2 } + { 3 } { } + } + { + \msg_error:nn { unravel } { incompatible-units } + % ^^A todo: error recovery + } + } + { + \__unravel_scan_something_internal:n { 2 } + \int_case:nnF \g__unravel_val_level_int + { + { 0 } { \__unravel_scan_dim_unit:NN #1#2 } + { 3 } % ^^A todo: error recovery + { \msg_error:nn { unravel } { incompatible-units } } + } + { } + } + } + } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_prev_input_silent:V \l__unravel_head_tl + } +\cs_new_protected:Npn \__unravel_scan_dimen_char:NN #1#2 + { + \tl_if_eq:NNT \l__unravel_head_tl \c__unravel_comma_tl + { \tl_set_eq:NN \l__unravel_head_tl \c__unravel_point_tl } + \tl_if_eq:NNTF \l__unravel_head_tl \c__unravel_point_tl + { + \__unravel_prev_input:n { . } + \__unravel_scan_decimal_loop: + } + { + \tl_if_in:nVTF { 0123456789 } \l__unravel_head_tl + { + \__unravel_back_input: + \__unravel_scan_int: + \tl_if_eq:NNT \l__unravel_head_tl \c__unravel_comma_tl + { \tl_set_eq:NN \l__unravel_head_tl \c__unravel_point_tl } + \tl_if_eq:NNT \l__unravel_head_tl \c__unravel_point_tl + { + \__unravel_input_gpop:N \l__unravel_tmpb_gtl + \__unravel_prev_input:n { . } + \__unravel_scan_decimal_loop: + } + } + { + \__unravel_back_input: + \__unravel_scan_int: + } + } + \__unravel_scan_dim_unit:NN #1#2 + } +\cs_new_protected:Npn \__unravel_scan_dim_unit:NN #1#2 + { + \bool_if:NT #2 + { + \__unravel_scan_keyword:nT { fF iI lL } + { + \__unravel_scan_inf_unit_loop: + \__unravel_break:w + } + } + \__unravel_get_x_non_blank: + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int < { \__unravel_tex_use:n { min_internal } } + { \__unravel_back_input: } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int + > { \__unravel_tex_use:n { max_internal } } + { \__unravel_back_input: } + { + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \bool_if:NTF #1 + { \__unravel_scan_something_internal:n { 3 } } + { \__unravel_scan_something_internal:n { 2 } } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_set:Nx \l__unravel_tmpa_tl + { + \bool_if:NTF #1 \muskip_eval:n \skip_eval:n + { + \l__unravel_tmpa_tl + \bool_if:NTF #1 \etex_muexpr:D \etex_glueexpr:D + \l__unravel_head_tl + } + } + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_break:w + } + } + \bool_if:NT #1 + { + \__unravel_scan_keyword:nT { mM uU } { \__unravel_break:w } + \msg_error:nn { unravel } { missing-mudim } + \__unravel_break:w + } + \__unravel_scan_keyword:nT { eE mM } { \__unravel_break:w } + \__unravel_scan_keyword:nT { eE xX } { \__unravel_break:w } + \__unravel_scan_keyword:nT { pP xX } { \__unravel_break:w } + \__unravel_scan_keyword:n { tT rR uU eE } + \__unravel_scan_keyword:nT { pP tT } { \__unravel_break:w } + \__unravel_scan_keyword:nT { iI nN } { \__unravel_break:w } + \__unravel_scan_keyword:nT { pP cC } { \__unravel_break:w } + \__unravel_scan_keyword:nT { cC mM } { \__unravel_break:w } + \__unravel_scan_keyword:nT { mM mM } { \__unravel_break:w } + \__unravel_scan_keyword:nT { bB pP } { \__unravel_break:w } + \__unravel_scan_keyword:nT { dD dD } { \__unravel_break:w } + \__unravel_scan_keyword:nT { cC cC } { \__unravel_break:w } + \__unravel_scan_keyword:nT { nN dD } { \__unravel_break:w } + \__unravel_scan_keyword:nT { nN cC } { \__unravel_break:w } + \__unravel_scan_keyword:nT { sS pP } { \__unravel_break:w } + \__unravel_break_point: + } +\cs_new_protected_nopar:Npn \__unravel_scan_inf_unit_loop: + { \__unravel_scan_keyword:nT { lL } { \__unravel_scan_inf_unit_loop: } } +\cs_new_protected_nopar:Npn \__unravel_scan_decimal_loop: + { + \__unravel_get_x_next: + \tl_if_empty:NTF \l__unravel_head_tl + { \use_ii:nn } + { \tl_if_in:nVTF { 0123456789 } \l__unravel_head_tl } + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_decimal_loop: + } + { + \token_if_eq_catcode:NNF \l__unravel_head_token \c_space_token + { \__unravel_back_input: } + \__unravel_prev_input_silent:n { ~ } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_normal_glue: + { \__unravel_scan_glue:n { 2 } } +\cs_new_protected_nopar:Npn \__unravel_scan_mu_glue: + { \__unravel_scan_glue:n { 3 } } +\cs_new_protected:Npn \__unravel_scan_glue:n #1 + { + \int_compare:nNnTF {#1} = { 2 } + { \__unravel_scan_glue_aux:nN {#1} \c_false_bool } + { \__unravel_scan_glue_aux:nN {#1} \c_true_bool } + } +\cs_new_protected:Npn \__unravel_scan_glue_aux:nN #1#2 + { + \__unravel_scan_signs: + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int < { \__unravel_tex_use:n { min_internal } } + { \__unravel_back_input: \__unravel_scan_dimen:NN #2 \c_false_bool } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int + > { \__unravel_tex_use:n { max_internal } } + { + \__unravel_back_input: + \__unravel_scan_dimen:NN #2 \c_false_bool + } + { + \__unravel_scan_something_internal:n {#1} + \int_case:nnF \g__unravel_val_level_int + { + { 0 } { \__unravel_scan_dimen:NN #2 \c_false_bool } + { 1 } { \bool_if:NT #2 { \msg_error: } } % ^^A todo: ?? + } + { + \int_compare:nNnF \g__unravel_val_level_int = {#1} + { \msg_error:nn { unravel } { incompatible-units } } + \__unravel_break:w + } + } + } + \__unravel_scan_keyword:nT { pP lL uU sS } + { \__unravel_scan_dimen:NN #2 \c_true_bool } + \__unravel_scan_keyword:nT { mM iI nN uU sS } + { \__unravel_scan_dimen:NN #2 \c_true_bool } + \__unravel_break_point: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_prev_input_silent:V \l__unravel_head_tl + } +\cs_new_protected_nopar:Npn \__unravel_scan_file_name: + { + \bool_gset_true:N \g__unravel_name_in_progress_bool + \__unravel_get_x_non_blank: + \__unravel_scan_file_name_loop: + \bool_gset_false:N \g__unravel_name_in_progress_bool + \__unravel_prev_input_silent:n { ~ } + } +\cs_new_protected_nopar:Npn \__unravel_scan_file_name_loop: + { + \__unravel_gtl_if_head_is_definable:NTF \l__unravel_head_gtl + { \__unravel_back_input: } + { + \tl_set:Nx \l__unravel_tmpa_tl + { \__unravel_token_to_char:N \l__unravel_head_token } + \tl_if_eq:NNF \l__unravel_tmpa_tl \c_space_tl + { + \__unravel_prev_input_silent:V \l__unravel_tmpa_tl + \__unravel_get_x_next: + \__unravel_scan_file_name_loop: + } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_r_token: + { + \bool_do_while:nn + { \tl_if_eq_p:NN \l__unravel_head_tl \c_space_tl } + { \__unravel_get_next: } + \__unravel_gtl_if_head_is_definable:NF \l__unravel_head_gtl + { + \msg_error:nn { unravel } { missing-cs } + \__unravel_back_input: + \tl_set:Nn \l__unravel_head_tl { \__unravel_inaccessible:w } + } + \__unravel_prev_input_silent:V \l__unravel_head_tl + \tl_set_eq:NN \l__unravel_defined_tl \l__unravel_head_tl + } +\cs_new_protected:Npn \__unravel_scan_toks_to_str: + { + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_scan_toks:NN \c_false_bool \c_true_bool + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_prev_input_silent:x + { { \exp_after:wN \tl_to_str:n \l__unravel_tmpa_tl } } + } +\cs_new_protected:Npn \__unravel_scan_toks:NN #1#2 + { + \bool_if:NT #1 { \__unravel_scan_param: } + \__unravel_scan_left_brace: + \bool_if:NTF #2 + { \__unravel_scan_group_x:N #1 } + { \__unravel_scan_group_n:N #1 } + } +\cs_new_protected_nopar:Npn \__unravel_scan_param: + { + \tl_clear:N \l__unravel_tmpa_tl + \__unravel_scan_param_aux: + \tl_put_right:NV \l__unravel_defining_tl \l__unravel_tmpa_tl + \__unravel_prev_input_silent:V \l__unravel_tmpa_tl + } +\cs_new_protected_nopar:Npn \__unravel_scan_param_aux: + { + \__unravel_get_next: + \tl_concat:NNN \l__unravel_tmpa_tl + \l__unravel_tmpa_tl \l__unravel_head_tl + \tl_if_empty:NTF \l__unravel_head_tl + { \__unravel_back_input: } { \__unravel_scan_param_aux: } + } +\cs_new_protected:Npn \__unravel_scan_group_n:N #1 + { + \__unravel_back_input: + \__unravel_input_gpop_item:NF \l__unravel_head_tl + { + \msg_error:nn { unravel } { runaway-text } + \__unravel_exit:w + } + \tl_set:Nx \l__unravel_head_tl { { \exp_not:V \l__unravel_head_tl } } + \bool_if:NT #1 + { \tl_put_right:NV \l__unravel_defining_tl \l__unravel_head_tl } + \__unravel_prev_input_silent:V \l__unravel_head_tl + } +\cs_new_protected:Npn \__unravel_scan_group_x:N #1 + { + \__unravel_input_gpop_tl:N \l__unravel_head_tl + \__unravel_back_input:V \l__unravel_head_tl + \bool_if:NTF #1 + { + \__unravel_prev_input_silent:V \c_left_brace_str + \tl_put_right:Nn \l__unravel_defining_tl { { \if_false: } \fi: } + \__unravel_scan_group_xdef:n { 1 } + } + { + \seq_gput_right:NV \g__unravel_prev_input_seq \c_empty_gtl + \__unravel_prev_input_gtl:N \l__unravel_head_gtl + \__unravel_scan_group_x:n { 1 } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpb_gtl + \__unravel_prev_input_silent:x + { \gtl_left_tl:N \l__unravel_tmpb_gtl } + } + } +\cs_new_protected:Npn \__unravel_scan_group_xdef:n #1 + { + \__unravel_get_token_x:N \c_true_bool + \tl_if_empty:NTF \l__unravel_head_tl + { + \gtl_if_head_is_group_begin:NTF \l__unravel_head_gtl + { + \__unravel_prev_input_silent:V \c_left_brace_str + \tl_put_right:Nn \l__unravel_defining_tl { { \if_false: } \fi: } + \__unravel_scan_group_xdef:f { \int_eval:n { #1 + 1 } } + } + { + \__unravel_prev_input_silent:V \c_right_brace_str + \tl_put_right:Nn \l__unravel_defining_tl { \if_false: { \fi: } } + \int_compare:nNnF {#1} = \c_one + { \__unravel_scan_group_xdef:f { \int_eval:n { #1 - 1 } } } + } + } + { + \__unravel_prev_input_silent:V \l__unravel_head_tl + \tl_put_right:Nx \l__unravel_defining_tl + { \exp_not:N \exp_not:N \exp_not:V \l__unravel_head_tl } + \__unravel_scan_group_xdef:n {#1} + } + } +\cs_generate_variant:Nn \__unravel_scan_group_xdef:n { f } +\cs_new_protected:Npn \__unravel_scan_group_x:n #1 + { + \__unravel_get_token_x:N \c_false_bool + \__unravel_prev_input_gtl:N \l__unravel_head_gtl + \tl_if_empty:NTF \l__unravel_head_tl + { + \gtl_if_head_is_group_begin:NTF \l__unravel_head_gtl + { \__unravel_scan_group_x:f { \int_eval:n { #1 + 1 } } } + { + \int_compare:nNnF {#1} = \c_one + { \__unravel_scan_group_x:f { \int_eval:n { #1 - 1 } } } + } + } + { \__unravel_scan_group_x:n {#1} } + } +\cs_generate_variant:Nn \__unravel_scan_group_x:n { f } +\cs_new_protected:Npn \__unravel_get_token_x:N #1 + { + \__unravel_get_next: + \__unravel_token_if_protected:NF \l__unravel_head_token + { + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { the } } + { + \__unravel_get_the: + \bool_if:NTF #1 + { + \tl_put_right:NV \l__unravel_defining_tl \l__unravel_head_tl + \__unravel_prev_input:V \l__unravel_head_tl + } + { + \gtl_set:Nx \l__unravel_tmpb_gtl { \l__unravel_head_tl } + \__unravel_prev_input_gtl:N \l__unravel_tmpb_gtl + \__unravel_print_action: + } + } + { \__unravel_expand: } + \__unravel_get_token_x:N #1 + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_alt_rule: + { + \__unravel_scan_keyword:nTF { wWiIdDtThH } + { + \__unravel_scan_normal_dimen: + \__unravel_scan_alt_rule: + } + { + \__unravel_scan_keyword:nTF { hHeEiIgGhHtT } + { + \__unravel_scan_normal_dimen: + \__unravel_scan_alt_rule: + } + { + \__unravel_scan_keyword:nT { dDeEpPtThH } + { + \__unravel_scan_normal_dimen: + \__unravel_scan_alt_rule: + } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_spec: + { + \__unravel_scan_keyword:nTF { tT oO } { \__unravel_scan_normal_dimen: } + { + \__unravel_scan_keyword:nT { sS pP rR eE aA dD } + { \__unravel_scan_normal_dimen: } + } + \__unravel_scan_left_brace: + } +\cs_new_protected:Npn \__unravel_do_box:N #1 + { + \__unravel_get_x_non_relax: + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { make_box } } + { \__unravel_do_begin_box:N #1 } + { + \bool_if:NTF #1 + { + \__unravel_cs_case:NnF \l__unravel_head_token + { + \tex_hrule:D { \__unravel_do_leaders_rule: } + \tex_vrule:D { \__unravel_do_leaders_rule: } + } + { \__unravel_do_box_error: } + } + { \__unravel_do_box_error: } + } + } +\cs_new_protected_nopar:Npn \__unravel_do_box_error: + { + \__unravel_back_input: + \msg_error:nn { unravel } { missing-box } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\cs_new_protected:Npn \__unravel_do_begin_box:N #1 + { + \__unravel_prev_input:V \l__unravel_head_tl + \int_case:nnTF \l__unravel_head_char_int + { + { 0 } { \__unravel_scan_int: } % box + { 1 } { \__unravel_scan_int: } % copy + { 2 } { } % lastbox + { 3 } % vsplit + { + \__unravel_scan_int: + \__unravel_scan_keyword:nF { tT oO } + { + \msg_error:nn { unravel } { missing-to } + \__unravel_prev_input:n { to } + } + \__unravel_scan_normal_dimen: + } + } + { \__unravel_do_simple_box:N #1 } + { \__unravel_do_box_explicit:N #1 } + } +\cs_new_protected:Npn \__unravel_do_simple_box:N #1 + { + \bool_if:NTF #1 { \__unravel_do_leaders_fetch_skip: } + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \gtl_put_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } + } +\cs_new_protected_nopar:Npn \__unravel_do_leaders_fetch_skip: + { + \__unravel_get_x_non_relax: + \__unravel_set_cmd: + \int_compare:nNnTF \l__unravel_head_cmd_int + = { \__unravel_tex_use:n { \mode_if_vertical:TF { vskip } { hskip } } } + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_put_left:NV \l__unravel_head_tl \l__unravel_tmpa_tl + \__unravel_do_append_glue: + } + { + \__unravel_back_input: + \msg_error:nn { unravel } { improper-leaders } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } + } +\cs_new_protected:Npn \__unravel_do_box_explicit:N #1 + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_hbox:D + { \__unravel_box_hook:N \tex_everyhbox:D } + { \__unravel_box_hook:N \tex_everyvbox:D } + % ^^A todo: TeX calls |normal_paragraph| here. + \__unravel_scan_spec: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_set_action_text:x + { \tl_to_str:N \l__unravel_head_tl \iow_char:N \{ } + \seq_push:Nx \l__unravel_leaders_box_seq + { \bool_if:NTF #1 { \mode_if_vertical:TF { v } { h } } { Z } } + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \gtl_gconcat:NNN \g__unravel_output_gtl + \g__unravel_output_gtl \c_group_begin_gtl + \tl_use:N \l__unravel_head_tl + \c_group_begin_token \__unravel_box_hook_end: + } +\cs_new_protected:Npn \__unravel_box_hook:N #1 + { + \tl_set:NV \l__unravel_tmpa_tl #1 + \str_if_eq_x:nnF + { \tl_head:N \l__unravel_tmpa_tl } { \exp_not:N \__unravel_box_hook:w } + { + \exp_args:Nx #1 + { + \exp_not:n { \__unravel_box_hook:w \prg_do_nothing: } + \exp_not:V #1 + } + } + \cs_gset_protected:Npn \__unravel_box_hook:w ##1 \__unravel_box_hook_end: + { + \exp_args:No #1 {##1} + \cs_gset_eq:NN \__unravel_box_hook:w \prg_do_nothing: + \__unravel_print_action: + \__unravel_back_input:o {##1} + \__unravel_set_action_text:x + { \token_to_meaning:N #1 \tl_to_str:o {##1} } + \tl_if_empty:oF {##1} { \__unravel_print_action: } + } + } +\cs_new_eq:NN \__unravel_box_hook:w \prg_do_nothing: +\cs_new_eq:NN \__unravel_box_hook_end: \prg_do_nothing: +\cs_new_protected_nopar:Npn \__unravel_do_leaders_rule: + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_alt_rule: + \__unravel_do_leaders_fetch_skip: + } +\prg_new_protected_conditional:Npnn \__unravel_charcode_if_safe:n #1 { TF } + { + \bool_if:nTF + { + \int_compare_p:n { #1 = `! } + || \int_compare_p:n { `' <= #1 <= `[ } + || \int_compare_p:n { #1 = `] } + || \int_compare_p:n { ` ` <= #1 <= `z } + } + { \prg_return_true: } + { \prg_return_false: } + } +\group_begin: + \char_set_catcode_other:n { 0 } + \cs_new_protected:Npn \__unravel_char:n #1 + { + \tex_char:D #1 \scan_stop: + \__unravel_charcode_if_safe:nTF {#1} + { + \group_begin: + \char_set_lccode:nn { 0 } {#1} + \tex_lowercase:D + { \group_end: \tl_set:Nn \l__unravel_tmpa_tl { ^^@ } } + } + { + \tl_set:Nx \l__unravel_tmpa_tl + { \exp_not:N \char \int_eval:n {#1} ~ } + } + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_tmpa_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_tmpa_tl } + } +\group_end: +\cs_generate_variant:Nn \__unravel_char:n { V , x } +\group_begin: + \char_set_catcode_other:n { 0 } + \cs_new_protected:Npn \__unravel_char_in_mmode:n #1 + { + \int_compare:nNnTF { \tex_mathcode:D #1 } = { "8000 } + { % math active + \group_begin: + \char_set_lccode:nn { 0 } { \l__unravel_tmpa_tl } + \tex_lowercase:D + { \group_end: \gtl_set:Nn \l__unravel_head_gtl { ^^@ } } + \__unravel_back_input: + } + { \__unravel_char:n {#1} } + } +\group_end: +\cs_generate_variant:Nn \__unravel_char_in_mmode:n { V , x } +\cs_new_protected:Npn \__unravel_mathchar:n #1 + { + \tex_mathchar:D #1 \scan_stop: + \tl_set:Nx \l__unravel_tmpa_tl + { \exp_not:N \mathchar \int_eval:n {#1} ~ } + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_tmpa_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_tmpa_tl } + } +\cs_generate_variant:Nn \__unravel_mathchar:n { x } +\cs_new_protected:Npn \__unravel_new_graf:N #1 + { + \tl_set:NV \l__unravel_tmpa_tl \tex_everypar:D + \tex_everypar:D { } + \bool_if:NTF #1 { \tex_indent:D } { \tex_noindent:D } + \exp_args:NV \tex_everypar:D \l__unravel_tmpa_tl + \__unravel_back_input:V \l__unravel_tmpa_tl + \__unravel_print_action:x + { + \g__unravel_action_text_str \c_space_tl : ~ + \token_to_str:N \everypar = { \tl_to_str:N \l__unravel_tmpa_tl } + } + } +\cs_new_protected_nopar:Npn \__unravel_end_graf: + { \mode_if_horizontal:T { \__unravel_normal_paragraph: } } +\cs_new_protected_nopar:Npn \__unravel_normal_paragraph: + { + \tex_par:D + \gtl_gput_right:Nn \g__unravel_output_gtl { \par } + \__unravel_print_action:x { Paragraph~end. } + } +\cs_new_protected_nopar:Npn \__unravel_build_page: + { + } +\cs_new_protected_nopar:Npn \__unravel_handle_left_brace: + { + \int_case:nnF \etex_currentgrouptype:D + { + { 1 } { \__unravel_end_simple_group: } % simple + { 2 } { \__unravel_end_box_group: } % hbox + { 3 } { \__unravel_end_box_group: } % adjusted_hbox + { 4 } { \__unravel_end_graf: \__unravel_end_box_group: } % vbox + { 5 } { \__unravel_end_graf: \__unravel_end_box_group: } % vtop + { 6 } { \__unravel_end_align_group: } % align + { 7 } { \__unravel_end_no_align_group: } % no_align + { 8 } { \__unravel_end_output_group: } % output + { 9 } { \__unravel_end_math_group: } % math + { 10 } { \__unravel_end_disc_group: } % disc + { 11 } { \__unravel_end_graf: \__unravel_end_simple_group: } % insert + { 12 } { \__unravel_end_graf: \__unravel_end_simple_group: } % vcenter + { 13 } { \__unravel_end_math_choice_group: } % math_choice + } + { % bottom_level, semi_simple, math_shift, math_left + \__unravel_back_input: + \l__unravel_head_token + \__unravel_print_action: + } + } +\cs_new_protected_nopar:Npn \__unravel_end_simple_group: + { + \l__unravel_head_token + \gtl_gconcat:NNN \g__unravel_output_gtl + \g__unravel_output_gtl \c_group_end_gtl + \__unravel_print_action: + } +\cs_new_protected_nopar:Npn \__unravel_end_box_group: + { + \seq_pop:NN \l__unravel_leaders_box_seq \l__unravel_tmpa_tl + \str_if_eq_x:nnTF \l__unravel_tmpa_tl { Z } + { \__unravel_end_simple_group: } + { + \__unravel_get_x_non_relax: + \__unravel_set_cmd: + \int_compare:nNnTF \l__unravel_head_cmd_int + = { \__unravel_tex_use:n { \l__unravel_tmpa_tl skip } } + { + \tl_put_left:Nn \l__unravel_head_tl { \c_group_end_token } + \__unravel_do_append_glue: + } + { + \__unravel_back_input: + \c_group_end_token \group_begin: \group_end: + \__unravel_print_action: + } + } + } +\cs_new_protected_nopar:Npn \__unravel_off_save: + { + \int_compare:nNnTF \etex_currentgrouptype:D = { 0 } + { % bottom-level + \msg_error:nnx { unravel } { extra-close } + { \token_to_meaning:N \l__unravel_head_token } + } + { + \__unravel_back_input: + \int_case:nnF \etex_currentgrouptype:D + { + { 14 } % semi_simple_group + { \gtl_set:Nn \l__unravel_head_gtl { \group_end: } } + { 15 } % math_shift_group + { \gtl_set:Nn \l__unravel_head_gtl { $ } } % $ + { 16 } % math_left_group + { \gtl_set:Nn \l__unravel_head_gtl { \tex_right:D . } } + } + { \gtl_set_eq:NN \l__unravel_head_gtl \c_group_end_gtl } + \__unravel_back_input: + \msg_error:nnx { unravel } { off-save } + { \gtl_to_str:N \l__unravel_head_gtl } + } + } +\cs_new_protected:Npn \__unravel_mode_math:n #1 + { \mode_if_math:TF {#1} { \__unravel_insert_dollar_error: } } +\cs_new_protected:Npn \__unravel_mode_non_math:n #1 + { \mode_if_math:TF { \__unravel_insert_dollar_error: } {#1} } +\cs_new_protected:Npn \__unravel_mode_vertical:n #1 + { + \mode_if_math:TF + { \__unravel_insert_dollar_error: } + { \mode_if_horizontal:TF { \__unravel_head_for_vmode: } {#1} } + } +\cs_new_protected:Npn \__unravel_mode_non_vertical:n #1 + { + \mode_if_vertical:TF + { \__unravel_back_input: \__unravel_new_graf:N \c_true_bool } + {#1} + } +\cs_new_protected_nopar:Npn \__unravel_head_for_vmode: + { + \mode_if_inner:TF + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_hrule:D + { + \msg_error:nn { unravel } { hrule-bad-mode } + \__unravel_print_action: + } + { \__unravel_off_save: } + } + { + \__unravel_back_input: + \gtl_set:Nn \l__unravel_head_gtl { \par } + \__unravel_back_input: + } + } +\cs_new_protected_nopar:Npn \__unravel_do_step: + { + \__unravel_set_action_text: + \bool_if:NT \l__unravel_debug_bool + { \iow_term:x { Cmd:~\int_use:N \l__unravel_head_cmd_int } } + \cs_if_exist_use:cF + { __unravel_cmd_ \int_use:N \l__unravel_head_cmd_int : } + { \msg_error:nnx { unravel } { internal } { unknown-command } } + } +\__unravel_new_tex_cmd:nn { relax } % 0 + { \__unravel_print_action: } +\__unravel_new_tex_cmd:nn { begin-group_char } % 1 + { + \gtl_gconcat:NNN \g__unravel_output_gtl + \g__unravel_output_gtl \c_group_begin_gtl + \__unravel_print_action: + \l__unravel_head_token + } +\__unravel_new_tex_cmd:nn { end-group_char } % 2 + { \__unravel_handle_left_brace: } +\__unravel_new_tex_cmd:nn { math_char } % 3 + { + \__unravel_mode_non_vertical:n + { + \mode_if_math:TF + { + \int_compare:nNnTF + \etex_currentgrouplevel:D = { 15 } % math_shift_group + { \__unravel_after_math: } + { \__unravel_off_save: } + } + { + \__unravel_get_next: + \token_if_eq_catcode:NNTF + \l__unravel_head_token \c_math_toggle_token + { + \mode_if_inner:TF + { \__unravel_back_input: \__unravel_goto_inner_math: } + { \__unravel_goto_display_math: } + } + { \__unravel_back_input: \__unravel_goto_inner_math: } + } + } + } +\__unravel_new_tex_cmd:nn { alignment_char } % 4 + { \l__unravel_head_token \__unravel_print_action: } +\__unravel_new_tex_cmd:nn { car_ret } % 5 + { \l__unravel_head_token \__unravel_print_action: } +\__unravel_new_tex_cmd:nn { macro_char } % 6 + { \l__unravel_head_token \__unravel_print_action: } +\__unravel_new_tex_cmd:nn { superscript_char } % 7 + { \__unravel_mode_math:n { \__unravel_sub_sup: } } +\__unravel_new_tex_cmd:nn { subscript_char } % 8 + { \__unravel_mode_math:n { \__unravel_sub_sup: } } +\cs_new_protected_nopar:Npn \__unravel_sub_sup: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_math: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { endv } % 9 + { \msg_error:nn { unravel } { not-implemented } { alignments } } +\__unravel_new_tex_cmd:nn { blank_char } % 10 + { + \mode_if_horizontal:T + { + \gtl_gput_right:Nn \g__unravel_output_gtl { ~ } + \l__unravel_head_token + } + \__unravel_print_action: + } +\__unravel_new_tex_cmd:nn { the_char } % 11 + { + \__unravel_mode_non_vertical:n + { + \tl_set:Nx \l__unravel_tmpa_tl + { ` \__unravel_token_to_char:N \l__unravel_head_token } + \mode_if_math:TF + { \__unravel_char_in_mmode:V \l__unravel_tmpa_tl } + { \__unravel_char:V \l__unravel_tmpa_tl } + } + } +\__unravel_new_eq_tex_cmd:nn { other_char } { the_char } % 12 +\__unravel_new_tex_cmd:nn { par_end } % 13 + { + \__unravel_mode_non_math:n + { + \mode_if_vertical:TF + { \__unravel_normal_paragraph: } + { + % if align_state<0 then off_save; + \__unravel_end_graf: + \mode_if_vertical:T + { \mode_if_inner:F { \__unravel_build_page: } } + } + } + } +\__unravel_new_tex_cmd:nn { stop } % 14 + { + \__unravel_mode_vertical:n + { + \mode_if_inner:TF + { \__unravel_forbidden_case: } + { + % ^^A todo: unless its_all_over + \int_gdecr:N \g__unravel_ends_int + \int_compare:nNnTF \g__unravel_ends_int > \c_zero + { + \__unravel_back_input: + \__unravel_back_input:n + { + \tex_hbox:D to \tex_hsize:D { } + \tex_vfill:D + \tex_penalty:D - '10000000000 ~ + } + \__unravel_build_page: + \__unravel_print_action:x { End~everything! } + } + { + \__unravel_print_outcome: + \l__unravel_head_token + } + } + } + } +\__unravel_new_tex_cmd:nn { delim_num } % 15 + { + \__unravel_mode_math:n + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } + } +\__unravel_new_tex_cmd:nn { char_num } % 16 + { + \__unravel_mode_non_vertical:n + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \mode_if_math:TF + { \__unravel_char_in_mmode:x { \tl_tail:N \l__unravel_head_tl } } + { \__unravel_char:x { \tl_tail:N \l__unravel_head_tl } } + } + } +\__unravel_new_tex_cmd:nn { math_char_num } % 17 + { + \__unravel_mode_math:n + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_mathchar:x { \tl_tail:N \l__unravel_head_tl } + } + } +\__unravel_new_tex_cmd:nn { mark } % 18 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \int_compare:nNnF \l__unravel_head_char_int = \c_zero + { \__unravel_scan_int: } + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_scan_toks:NN \c_false_bool \c_true_bool + \seq_gpop_right:Nn \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action:x + { \tl_to_str:N \l__unravel_head_tl \tl_to_str:N \l__unravel_tmpa_tl } + \tl_put_right:Nx \l__unravel_head_tl + { { \exp_not:N \exp_not:n \exp_not:V \l__unravel_tmpa_tl } } + \tl_use:N \l__unravel_head_tl + } +\__unravel_new_tex_cmd:nn { xray } % 19 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \int_case:nnF \l__unravel_head_char_int + { + { 0 } + { % show + \__unravel_get_next: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \gtl_head_do:NN \l__unravel_head_gtl \l__unravel_tmpa_tl + } + { 2 } + { % showthe + \__unravel_get_x_next: + \__unravel_scan_something_internal:n { 5 } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \exp_args:Nx \etex_showtokens:D + { \tl_tail:N \l__unravel_head_tl } + } + } + { % no operand for showlists, showgroups, showifs + \int_compare:nNnT \l__unravel_head_char_int = \c_one % showbox + { \__unravel_scan_int: } + \int_compare:nNnT \l__unravel_head_char_int = \c_five % showtokens + { \__unravel_scan_toks:NN \c_false_bool \c_false_bool } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + } + } +\__unravel_new_tex_cmd:nn { make_box } % 20 + { + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_back_input: + \__unravel_do_box:N \c_false_bool + } +\cs_new_protected_nopar:Npn \__unravel_do_move: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_normal_dimen: + \__unravel_do_box:N \c_false_bool + } +\__unravel_new_tex_cmd:nn { hmove } % 21 + { + \mode_if_vertical:TF + { \__unravel_do_move: } { \__unravel_forbidden_case: } + } +\__unravel_new_tex_cmd:nn { vmove } % 22 + { + \mode_if_vertical:TF + { \__unravel_forbidden_case: } { \__unravel_do_move: } + } +\cs_new_protected_nopar:Npn \__unravel_do_unpackage: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { un_hbox } % 23 + { \__unravel_mode_non_vertical:n { \__unravel_do_unpackage: } } +\__unravel_new_tex_cmd:nn { un_vbox } % 24 + { + \__unravel_mode_vertical:n + { + \int_compare:nNnTF \l__unravel_head_char_int > { 1 } + { \l__unravel_head_token \__unravel_print_action: } + { \__unravel_do_unpackage: } + } + } +\__unravel_new_tex_cmd:nn { remove_item } % 25 + { \l__unravel_head_token \__unravel_print_action: } +\cs_new_protected_nopar:Npn \__unravel_do_append_glue: + { + \int_compare:nNnTF \l__unravel_head_char_int < { 4 } + { \tl_use:N \l__unravel_head_tl \__unravel_print_action: } + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \exp_args:Nf \__unravel_scan_glue:n + { \int_eval:n { \l__unravel_head_char_int - 2 } } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } + } +\__unravel_new_tex_cmd:nn { hskip } % 26 + { \__unravel_mode_non_vertical:n { \__unravel_do_append_glue: } } +\__unravel_new_tex_cmd:nn { vskip } % 27 + { \__unravel_mode_vertical:n { \__unravel_do_append_glue: } } +\__unravel_new_tex_cmd:nn { mskip } % 28 + { \__unravel_mode_math:n { \__unravel_do_append_glue: } } +\cs_new_protected_nopar:Npn \__unravel_do_append_kern: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_kern:D + { \__unravel_scan_dimen:NN \c_true_bool \c_false_bool } + { \__unravel_scan_dimen:NN \c_false_bool \c_false_bool } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { kern } % 29 + { \__unravel_do_append_kern: } +\__unravel_new_tex_cmd:nn { mkern } % 30 + { \__unravel_mode_math:n { \__unravel_do_append_kern: } } +\__unravel_new_tex_cmd:nn { leader_ship } % 31 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_do_box:N \c_true_bool + } +\__unravel_new_tex_cmd:nn { halign } % 32 + { \msg_fatal:nnx { unravel } { not-implemented } { halign } } +\__unravel_new_tex_cmd:nn { valign } % 33 + { \msg_fatal:nnx { unravel } { not-implemented } { valign } } +\__unravel_new_tex_cmd:nn { no_align } % 34 + { \msg_fatal:nnx { unravel } { not-implemented } { noalign } } +\__unravel_new_tex_cmd:nn { vrule } % 35 + { \__unravel_mode_non_vertical:n { \__unravel_do_rule: } } +\__unravel_new_tex_cmd:nn { hrule } % 36 + { \__unravel_mode_vertical:n { \__unravel_do_rule: } } +\cs_new_protected_nopar:Npn \__unravel_do_rule: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_alt_rule: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { insert } % 37 + { \__unravel_begin_insert_or_adjust: } +\__unravel_new_tex_cmd:nn { vadjust } % 38 + { + \mode_if_vertical:TF + { \__unravel_forbidden_case: } { \__unravel_begin_insert_or_adjust: } + } +\__unravel_new_tex_cmd:nn { ignore_spaces } % 39 + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_ignorespaces:D + { + \__unravel_get_x_non_blank: + \__unravel_set_cmd: + \__unravel_do_step: + } + { \msg_error:nn { unravel } { not-implemented } { pdfprimitive } } + } +\__unravel_new_tex_cmd:nn { after_assignment } % 40 + { + \tl_set_eq:NN \l__unravel_tmpa_tl \l__unravel_head_tl + \__unravel_get_next: + \gtl_gset_eq:NN \g__unravel_after_assignment_gtl \l__unravel_head_gtl + \__unravel_print_action:x + { + Afterassignment:~\tl_to_str:N \l__unravel_tmpa_tl + \gtl_to_str:N \l__unravel_head_gtl + } + } +\__unravel_new_tex_cmd:nn { after_group } % 41 + { \msg_error:nnx { unravel } { not-implemented } { aftergroup } } +\__unravel_new_tex_cmd:nn { break_penalty } % 42 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { start_par } % 43 + { + \mode_if_vertical:TF + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_noindent:D + { \__unravel_new_graf:N \c_false_bool } + { \__unravel_new_graf:N \c_true_bool } + } + { + \int_compare:nNnT \l__unravel_head_char_int = { 1 } % indent + { + \tex_hbox:D width \tex_parindent:D { } + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + } + \__unravel_print_action: + } + } +\__unravel_new_tex_cmd:nn { ital_corr } % 44 + { + \mode_if_vertical:TF { \__unravel_forbidden_case: } + { \l__unravel_head_token \__unravel_print_action: } + } +\cs_new_protected_nopar:Npn \__unravel_do_accent: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \__unravel_do_assignments: + \bool_if:nTF + { + \token_if_eq_catcode_p:NN + \l__unravel_head_token \c_catcode_letter_token + || + \token_if_eq_catcode_p:NN + \l__unravel_head_token \c_catcode_other_token + || + \int_compare_p:nNn + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { char_given } } + } + { \__unravel_prev_input:V \l__unravel_head_tl } + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_char:D + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_int: + } + { \__unravel_break:w } + } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + \__unravel_break_point: + } +\cs_new_protected_nopar:Npn \__unravel_do_math_accent: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \__unravel_scan_math: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { accent } % 45 + { + \__unravel_mode_non_vertical:n + { + \mode_if_math:TF + { \__unravel_do_math_accent: } { \__unravel_do_accent: } + } + } +\__unravel_new_tex_cmd:nn { math_accent } % 46 + { \__unravel_mode_math:n { \__unravel_do_math_accent: } } +\__unravel_new_tex_cmd:nn { discretionary } % 47 + { \msg_error:nnx { unravel } { not-implemented } { discretionary } } +\__unravel_new_tex_cmd:nn { eq_no } % 48 + { \msg_error:nnx { unravel } { not-implemented } { eqno } } +\__unravel_new_tex_cmd:nn { left_right } % 49 + { \msg_error:nnx { unravel } { not-implemented } { left/right } } +\__unravel_new_tex_cmd:nn { math_comp } % 50 + { \msg_error:nnx { unravel } { not-implemented } { math~comp } } +\__unravel_new_tex_cmd:nn { limit_switch } % 51 + { \msg_error:nnx { unravel } { not-implemented } { limits } } +\__unravel_new_tex_cmd:nn { above } % 52 + { \msg_error:nnx { unravel } { not-implemented } { above } } +\__unravel_new_tex_cmd:nn { math_style } % 53 + { \msg_error:nnx { unravel } { not-implemented } { math~style } } +\__unravel_new_tex_cmd:nn { math_choice } % 54 + { \msg_error:nnx { unravel } { not-implemented } { math~choice } } +\__unravel_new_tex_cmd:nn { non_script } % 55 + { \msg_error:nnx { unravel } { not-implemented } { non~script } } +\__unravel_new_tex_cmd:nn { vcenter } % 56 + { \msg_error:nnx { unravel } { not-implemented } { vcenter } } +\__unravel_new_tex_cmd:nn { case_shift } % 57 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_scan_toks:NN \c_false_bool \c_false_bool + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \exp_after:wN \__unravel_case_shift:Nn \l__unravel_tmpa_tl + } +\cs_new_protected:Npn \__unravel_case_shift:Nn #1#2 + { + #1 { \__unravel_back_input:n {#2} } + \__unravel_print_action:x + { \token_to_meaning:N #1 ~ \tl_to_str:n { {#2} } } + } +\__unravel_new_tex_cmd:nn { message } % 58 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_toks_to_str: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { extension } % 59 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_extension_operands: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { in_stream } % 60 + { + \seq_put_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_openin:D + { + \__unravel_scan_int: + \__unravel_scan_optional_equals: + \__unravel_scan_file_name: + } + { \__unravel_scan_int: } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_cmd:nn { begin_group } % 61 + { + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \__unravel_print_action: + \l__unravel_head_token + } +\__unravel_new_tex_cmd:nn { end_group } % 62 + { + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \__unravel_print_action: + \l__unravel_head_token + } +\__unravel_new_tex_cmd:nn { omit } % 63 + { \msg_error:nn { unravel } { not-implemented } { omit } } +\__unravel_new_tex_cmd:nn { ex_space } % 64 + { + \__unravel_mode_non_vertical:n + { \l__unravel_head_token \__unravel_print_action: } + } +\__unravel_new_tex_cmd:nn { no_boundary } % 65 + { + \__unravel_mode_non_vertical:n + { \l__unravel_head_token \__unravel_print_action: } + } +\__unravel_new_tex_cmd:nn { radical } % 66 + { + \__unravel_mode_math:n + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \__unravel_scan_math: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } + } +\__unravel_new_tex_cmd:nn { end_cs_name } % 67 + { \l__unravel_head_token \__unravel_print_action: } +\__unravel_new_tex_cmd:nn { char_given } % 68 + { + \__unravel_mode_non_vertical:n + { + \mode_if_math:TF + { \__unravel_char_in_mmode:V \l__unravel_head_char_int } + { \__unravel_char:V \l__unravel_head_char_int } + } + } +\__unravel_new_tex_cmd:nn { math_given } % 69 + { + \__unravel_mode_math:n + { \__unravel_mathchar:x { \int_use:N \l__unravel_head_char_int } } + } +\__unravel_new_tex_cmd:nn { last_item } % 70 + { \__unravel_forbidden_case: } +\cs_new_protected_nopar:Npn \__unravel_scan_extension_operands: + { + \int_case:nnF \l__unravel_head_char_int + { + { 0 } % openout + { + \__unravel_scan_int: + \__unravel_scan_optional_equals: + \__unravel_scan_file_name: + } + { 1 } % write + { + \__unravel_scan_int: + \__unravel_scan_toks:NN \c_false_bool \c_false_bool + } + { 2 } % closeout + { \__unravel_scan_int: } + { 3 } % special + { \__unravel_scan_toks_to_str: } + { 4 } % immediate + { \__unravel_scan_immediate_operands: } + { 5 } % setlanguage + { + \mode_if_horizontal:TF + { \__unravel_scan_int: } + { \msg_error:nn { unravel } { invalid-mode } } + } + { 6 } % pdfliteral + { + \__unravel_scan_keyword:nF { dD iI rR eE cC tT } + { \__unravel_scan_keyword:n { pP aA gG eE } } + \__unravel_scan_pdf_ext_toks: + } + { 7 } % pdfobj + { + \__unravel_scan_keyword:nTF + { rR eE sS eE rR vV eE oO bB jJ nN uU mM } + { \__unravel_skip_optional_space: } + { + \__unravel_scan_keyword:nF { uU sS eE oO bB jJ nN uU mM } + { \__unravel_scan_int: } + \__unravel_scan_keyword:nT { sS tT rR eE aA mM } + { + \__unravel_scan_keyword:nT { aA tT tT rR } + { \__unravel_scan_pdf_ext_toks: } + } + \__unravel_scan_keyword:n { fF iI lL eE } + \__unravel_scan_pdf_ext_toks: + } + } + { 8 } % pdfrefobj + { \__unravel_scan_int: } + { 9 } % pdfxform + { + \__unravel_scan_keyword:nT { aA tT tT rR } + { \__unravel_scan_pdf_ext_toks: } + \__unravel_scan_keyword:nTF { rR eE sS oO uU rR cC eE sS } + { \__unravel_scan_pdf_ext_toks: } + \__unravel_scan_int: + } + { 10 } % pdfrefxform + { \__unravel_scan_int: } + { 11 } % pdfximage + { \__unravel_scan_image: } + { 12 } % pdfrefximage + { \__unravel_scan_int: } + { 13 } % pdfannot + { + \__unravel_scan_keyword:nTF + { rR eE sS eE rR vV eE oO bB jJ nN uU mM } + { \__unravel_scan_optional_space: } + { + \__unravel_scan_keyword:nT { uU sS eE oO bB jJ nN uU mM } + { \__unravel_scan_int: } + \__unravel_scan_alt_rule: + \__unravel_scan_pdf_ext_toks: + } + } + { 14 } % pdfstartlink + { + \mode_if_vertical:TF + { \msg_error:nn { unravel } { invalid-mode } } + { + \__unravel_scan_rule_attr: + \__unravel_scan_action: + } + } + { 15 } % pdfendlink + { + \mode_if_vertical:T + { \msg_error:nn { unravel } { invalid-mode } } + } + { 16 } % pdfoutline + { + \__unravel_scan_keyword:nT { aA tT tT rR } + { \__unravel_scan_pdf_ext_toks: } + \__unravel_scan_action: + \__unravel_scan_keyword:nT { cC oO uU nN tT } + { \__unravel_scan_int: } + \__unravel_scan_pdf_ext_toks: + } + { 17 } % pdfdest + { \__unravel_scan_pdfdest_operands: } + { 18 } % pdfthread + { \__unravel_scan_rule_attr: \__unravel_scan_thread_id: } + { 19 } % pdfstartthread + { \__unravel_scan_rule_attr: \__unravel_scan_thread_id: } + { 20 } % pdfendthread + { } + { 21 } % pdfsavepos + { } + { 22 } % pdfinfo + { \__unravel_scan_pdf_ext_toks: } + { 23 } % pdfcatalog + { + \__unravel_scan_pdf_ext_toks: + \__unravel_scan_keyword:n { oO pP eE nN aA cC tT iI oO nN } + { \__unravel_scan_action: } + } + { 24 } % pdfnames + { \__unravel_scan_pdf_ext_toks: } + { 25 } % pdffontattr + { + \__unravel_scan_font_ident: + \__unravel_scan_pdf_ext_toks: + } + { 26 } % pdfincludechars + { + \__unravel_scan_font_ident: + \__unravel_scan_pdf_ext_toks: + } + { 27 } % pdfmapfile + { \__unravel_scan_pdf_ext_toks: } + { 28 } % pdfmapline + { \__unravel_scan_pdf_ext_toks: } + { 29 } % pdftrailer + { \__unravel_scan_pdf_ext_toks: } + { 30 } % pdfresettimer + { } + { 31 } % pdffontexpand + { + \__unravel_scan_font_ident: + \__unravel_scan_optional_equals: + \__unravel_scan_int: + \__unravel_scan_int: + \__unravel_scan_int: + \__unravel_scan_keyword:nT { aAuUtToOeExXpPaAnNdD } + { \__unravel_skip_optional_space: } + } + { 32 } % pdfsetrandomseed + { \__unravel_scan_int: } + { 33 } % pdfsnaprefpoint + { } + { 34 } % pdfsnapy + { \__unravel_scan_normal_glue: } + { 35 } % pdfsnapycomp + { \__unravel_scan_int: } + { 36 } % pdfglyphtounicode + { + \__unravel_scan_pdf_ext_toks: + \__unravel_scan_pdf_ext_toks: + } + { 37 } % pdfcolorstack + { \__unravel_scan_pdfcolorstack_operands: } + { 38 } % pdfsetmatrix + { \__unravel_scan_pdf_ext_toks: } + { 39 } % pdfsave + { } + { 40 } % pdfrestore + { } + { 41 } % pdfnobuiltintounicode + { \__unravel_scan_font_ident: } + } + { } % no other cases. + } +\cs_new_protected_nopar:Npn \__unravel_scan_pdfcolorstack_operands: + { + \__unravel_scan_int: + \__unravel_scan_keyword:nF { sSeEtT } + { + \__unravel_scan_keyword:nF { pPuUsShH } + { + \__unravel_scan_keyword:nF { pPoOpP } + { + \__unravel_scan_keyword:nF { cCuUrRrReEnNtT } + { + \msg_error:nn { unravel } + { color-stack-action-missing } + } + } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_rule_attr: + { + \__unravel_scan_alt_rule: + \__unravel_scan_keyword:nT { aA tT tT rR } + { \__unravel_scan_pdf_ext_toks: } + } +\cs_new_protected_nopar:Npn \__unravel_scan_action: + { + \__unravel_scan_keyword:nTF { uUsSeErR } + { \__unravel_scan_pdf_ext_toks: } + { + \__unravel_scan_keyword:nF { gGoOtToO } + { + \__unravel_scan_keyword:nF { tThHrReEaAdD } + { \msg_error:nn { unravel } { action-type-missing } } + } + } + \__unravel_scan_keyword:nT { fFiIlLeE } + { \__unravel_scan_pdf_ext_toks: } + \__unravel_scan_keyword:nTF { pPaAgGeE } + { + \__unravel_scan_int: + \__unravel_scan_pdf_ext_toks: + } + { + \__unravel_scan_keyword:nTF { nNaAmMeE } + { \__unravel_scan_pdf_ext_toks: } + { + \__unravel_scan_keyword:nTF { nNuUmM } + { \__unravel_scan_int: } + { \msg_error:nn { unravel } { identifier-type-missing } } + } + } + \__unravel_scan_keyword:nTF { nNeEwWwWiInNdDoOwW } + { \__unravel_skip_optional_space: } + { + \__unravel_scan_keyword:nT { nNoOnNeEwWwWiInNdDoOwW } + { \__unravel_skip_optional_space: } + } + } +\cs_new_protected_nopar:Npn \__unravel_scan_image: + { + \__unravel_scan_rule_attr: + \__unravel_scan_keyword:nTF { nNaAmMeEdD } + { \__unravel_scan_pdf_ext_toks: } + { + \__unravel_scan_keyword:nT { pPaAgGeE } + { \__unravel_scan_int: } + } + \__unravel_scan_keyword:nT { cCoOlLoOrRsSpPaAcCeE } + { \__unravel_scan_int: } + \__unravel_scan_pdf_ext_toks: + } +\cs_new_protected_nopar:Npn \__unravel_scan_immediate_operands: + { + \__unravel_get_x_next: + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { extension } } + { + \int_compare:nNnTF + \l__unravel_head_char_int < { 3 } % openout, write, closeout + { \__unravel_scan_immediate_operands_aux: } + { + \int_case:nnF \l__unravel_head_char_int + { + { 7 } { \__unravel_scan_extension_operands_aux: } % pdfobj + { 9 } { \__unravel_scan_extension_operands_aux: } % pdfxform + { 11 } { \__unravel_scan_extension_operands_aux: } %pdfximage + } + { \__unravel_scan_immediate_operands_bad: } + } + } + { \__unravel_scan_immediate_operands_bad: } + } +\cs_new_protected_nopar:Npn \__unravel_scan_immediate_operands_aux: + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_extension_operands: + } +\cs_new_protected_nopar:Npn \__unravel_scan_immediate_operands_bad: + { + \__unravel_back_input: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl ignored } + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + } + +\cs_new_protected_nopar:Npn \__unravel_scan_pdfdest_operands: + { + \__unravel_scan_keyword:nTF { nNuUmM } + { \__unravel_scan_int: } + { + \__unravel_scan_keyword:nTF { nNaAmMeE } + { \__unravel_scan_pdf_ext_toks: } + { \msg_error:nn { unravel } { identifier-type-missing } } + } + \__unravel_scan_keyword:nTF { xXyYzZ } + { + \__unravel_scan_keyword:nT { zZoOoOmM } + { \__unravel_scan_int: } + } + { + \__unravel_scan_keyword:nF { fFiItTbBhH } + { + \__unravel_scan_keyword:nF { fFiItTbBvV } + { + \__unravel_scan_keyword:nF { fFiItTbB } + { + \__unravel_scan_keyword:nF { fFiItThHhH } + { + \__unravel_scan_keyword:nF { fFiItTvV } + { + \__unravel_scan_keyword:nTF + { fFiItTrR } + { + \__unravel_skip_optional_space: + \__unravel_scan_alt_rule: + \use_none:n + } + { + \__unravel_scan_keyword:nF + { fFiItT } + { + \msg_error:nn { unravel } + { + destination-type-missing + } + } + } + } + } + } + } + } + } + \__unravel_skip_optional_space: + } +\cs_set_protected_nopar:Npn \__unravel_tmp:w + { + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_prefixed_command: + } +\int_step_inline:nnnn + { \__unravel_tex_use:n { max_non_prefixed_command } + 1 } + { 1 } + { \__unravel_tex_use:n { max_command } } + { \cs_new_eq:cN { __unravel_cmd_#1: } \__unravel_tmp:w } +\cs_new_protected_nopar:Npn \__unravel_prefixed_command: + { + \int_while_do:nNnn + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { prefix } } + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_get_x_non_relax: + \__unravel_set_cmd: + \int_compare:nNnF \l__unravel_head_cmd_int + > { \__unravel_tex_use:n { max_non_prefixed_command } } + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \msg_error:nnxx { unravel } { erroneous-prefixes } + { \tl_to_str:N \l__unravel_tmpa_tl } + { \tl_to_str:N l__unravel_head_tl } + \__unravel_back_input: + \__unravel_omit_after_assignment:w + } + } + % ^^A todo: Discard non-\global prefixes if they are irrelevant + % ^^A todo: Adjust for the setting of \globaldefs + \cs_if_exist_use:cF + { __unravel_prefixed_ \int_use:N \l__unravel_head_cmd_int : } + { + \msg_error:nnx { unravel } { internal } { prefixed } + \__unravel_omit_after_assignment:w + } + \__unravel_after_assignment: + } +\cs_new_protected_nopar:Npn \__unravel_after_assignment: + { + \__unravel_back_input_gtl:N \g__unravel_after_assignment_gtl + \gtl_gclear:N \g__unravel_after_assignment_gtl + } +\cs_new_protected_nopar:Npn \__unravel_omit_after_assignment:w + #1 \__unravel_after_assignment: { } +\cs_new_protected:Npn \__unravel_prefixed_new:nn #1#2 + { + \cs_new_protected_nopar:cpn + { __unravel_prefixed_ \__unravel_tex_use:n {#1} : } {#2} + } +\cs_new_protected:Npn \__unravel_assign_token:n #1 + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + #1 + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_assigned_token: + } +\cs_new_protected_nopar:Npn \__unravel_assign_register: + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_assigned_register: + } +\cs_new_protected:Npn \__unravel_assign_value:nn #1#2 + { + \tl_if_empty:nF {#1} + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + #1 + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + } + \__unravel_prev_input:V \l__unravel_head_tl + \tl_set_eq:NN \l__unravel_defined_tl \l__unravel_head_tl + \__unravel_scan_optional_equals: + #2 + \__unravel_assign_register: + } +\__unravel_prefixed_new:nn { toks_register } % 71 + { + \int_compare:nNnT \l__unravel_head_char_int = \c_zero + { % \toks + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + } + \__unravel_assign_toks: + } +\__unravel_prefixed_new:nn { assign_toks } % 72 + { \__unravel_assign_toks: } +\cs_new_protected_nopar:Npn \__unravel_assign_toks: + { + \__unravel_prev_input_silent:V \l__unravel_head_tl + \__unravel_print_action: + \tl_set_eq:NN \l__unravel_defined_tl \l__unravel_head_tl + \__unravel_scan_optional_equals: + \__unravel_get_x_non_relax: + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { toks_register } } + { + \__unravel_prev_input:V \l__unravel_head_tl + \int_compare:nNnT \l__unravel_head_char_int = \c_zero + { \__unravel_scan_int: } + } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { assign_toks } } + { \__unravel_prev_input:V \l__unravel_head_tl } + { + \__unravel_back_input: + \__unravel_scan_toks:NN \c_false_bool \c_false_bool + } + } + \__unravel_assign_register: + } +\__unravel_prefixed_new:nn { assign_int } % 73 + { \__unravel_assign_value:nn { } { \__unravel_scan_int: } } +\__unravel_prefixed_new:nn { assign_dimen } % 74 + { \__unravel_assign_value:nn { } { \__unravel_scan_normal_dimen: } } +\__unravel_prefixed_new:nn { assign_glue } % 75 + { \__unravel_assign_value:nn { } { \__unravel_scan_normal_glue: } } +\__unravel_prefixed_new:nn { assign_mu_glue } % 76 + { \__unravel_assign_value:nn { } { \__unravel_scan_mu_glue: } } +\__unravel_prefixed_new:nn { assign_font_dimen } % 77 + { + \__unravel_assign_value:nn + { \__unravel_scan_int: \__unravel_scan_font_ident: } + { \__unravel_scan_normal_dimen: } + } +\__unravel_prefixed_new:nn { assign_font_int } % 78 + { + \__unravel_assign_value:nn + { \__unravel_scan_font_int: } { \__unravel_scan_int: } + } +\__unravel_prefixed_new:nn { set_aux } % 79 + { % prevdepth = 1, spacefactor = 0 + \int_compare:nNnTF \l__unravel_head_char_int = \c_one + { \__unravel_assign_value:nn { } { \__unravel_scan_normal_dimen: } } + { \__unravel_assign_value:nn { } { \__unravel_scan_int: } } + } +\__unravel_prefixed_new:nn { set_prev_graf } % 80 + { \__unravel_assign_value:nn { } { \__unravel_scan_int: } } +\__unravel_prefixed_new:nn { set_page_dimen } % 81 + { \__unravel_assign_value:nn { } { \__unravel_scan_normal_dimen: } } +\__unravel_prefixed_new:nn { set_page_int } % 82 + { \__unravel_assign_value:nn { } { \__unravel_scan_int: } } +\__unravel_prefixed_new:nn { set_box_dimen } % 83 + { + \__unravel_assign_value:nn + { \__unravel_scan_int: } { \__unravel_scan_normal_dimen: } + } +\__unravel_prefixed_new:nn { set_shape } % 84 + { + \__unravel_assign_value:nn { \__unravel_scan_int: } + { + \prg_replicate:nn + { + \tl_if_head_eq_meaning:VNT + \l__unravel_defined_tl \tex_parshape:D { \c_two * } + \tl_tail:N \l__unravel_defined_tl + } + { \__unravel_scan_int: } + } + } +\__unravel_prefixed_new:nn { def_code } % 85 + { + \__unravel_assign_value:nn + { \__unravel_scan_int: } { \__unravel_scan_int: } + } +\__unravel_prefixed_new:nn { def_family } % 86 + { + \__unravel_assign_value:nn + { \__unravel_scan_int: } { \__unravel_scan_font_ident: } + } +\__unravel_prefixed_new:nn { set_font } % 87 + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_put_left:NV \l__unravel_head_tl \l__unravel_tmpa_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \gtl_gput_right:NV \g__unravel_output_gtl \l__unravel_head_tl + \__unravel_print_action: + } +\__unravel_prefixed_new:nn { def_font } % 88 + { + \__unravel_prev_input_silent:V \l__unravel_head_tl + \__unravel_set_action_text:x { \tl_to_str:N \l__unravel_head_tl } + \__unravel_scan_r_token: + \__unravel_print_action:x + { \g__unravel_action_text_str \tl_to_str:N \l__unravel_defined_tl } + \__unravel_scan_optional_equals: + \__unravel_scan_file_name: + \bool_gset_true:N \g__unravel_name_in_progress_bool + \__unravel_scan_keyword:nTF { aAtT } + { \__unravel_scan_normal_dimen: } + { + \__unravel_scan_keyword:nT { sS cC aA lL eE dD } + { \__unravel_scan_int: } + } + \bool_gset_false:N \g__unravel_name_in_progress_bool + \__unravel_assign_token:n { } + } +\__unravel_prefixed_new:nn { let } % 94 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_let:D + { % |let| + \__unravel_scan_r_token: + \seq_get_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_tmpa_tl } + \__unravel_get_next: + \bool_while_do:nn + { \token_if_eq_catcode_p:NN \l__unravel_head_token \c_space_token } + { \__unravel_get_next: } + \tl_if_eq:NNT \l__unravel_head_tl \c__unravel_eq_tl + { \__unravel_get_next: } + \token_if_eq_catcode:NNT \l__unravel_head_token \c_space_token + { \__unravel_get_next: } + } + { % |futurelet| + \__unravel_scan_r_token: + \seq_get_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_tmpa_tl } + \__unravel_get_next: + \gtl_set_eq:NN \l__unravel_tmpb_gtl \l__unravel_head_gtl + \__unravel_get_next: + \__unravel_back_input: + \gtl_set_eq:NN \l__unravel_head_gtl \l__unravel_tmpb_gtl + \__unravel_back_input: + } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_put_right:Nn \l__unravel_tmpa_tl { = ~ \l__unravel_head_token } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \use:x + { + \exp_not:V \l__unravel_head_tl + \tex_let:D \tl_tail:N \l__unravel_tmpa_tl + } + \__unravel_print_assigned_token: + } +\__unravel_prefixed_new:nn { shorthand_def } % 95 + { + \__unravel_prev_input_silent:V \l__unravel_head_tl + \tl_set:Nx \l__unravel_prev_action_tl + { \tl_to_str:N \l__unravel_head_tl } + \__unravel_scan_r_token: + \__unravel_print_action:x + { \l__unravel_prev_action_tl \tl_to_str:N \l__unravel_defined_tl } + \exp_after:wN \cs_set_eq:NN \l__unravel_defined_tl \scan_stop: + \__unravel_scan_optional_equals: + \__unravel_scan_int: + \__unravel_assign_token:n { } + } +\__unravel_prefixed_new:nn { read_to_cs } % 96 + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + \__unravel_scan_int: + \__unravel_scan_keyword:nF { tToO } + { + \msg_error:nn { unravel } { missing-to } + \__unravel_prev_input:n { to } + } + \__unravel_scan_r_token: + \__unravel_assign_token:n { } + } +\__unravel_prefixed_new:nn { def } % 97 + { + \seq_get_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_set:NV \l__unravel_defining_tl \l__unravel_tmpa_tl + \tl_put_right:NV \l__unravel_defining_tl \l__unravel_head_tl + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \int_compare:nNnTF \l__unravel_head_char_int < \c_two + { % def/gdef + \__unravel_scan_r_token: + \tl_put_right:NV \l__unravel_defining_tl \l__unravel_defined_tl + \__unravel_scan_toks:NN \c_true_bool \c_false_bool + } + { % edef/xdef + \__unravel_scan_r_token: + \tl_put_right:NV \l__unravel_defining_tl \l__unravel_defined_tl + \__unravel_scan_toks:NN \c_true_bool \c_true_bool + } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_assign_token:n + { \tl_set_eq:NN \l__unravel_head_tl \l__unravel_defining_tl } + } +\__unravel_prefixed_new:nn { set_box } % 98 + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_int: + \__unravel_scan_optional_equals: + \bool_if:NTF \g__unravel_set_box_allowed_bool + { \__unravel_do_box:N \c_false_bool } + { + \msg_error:nn { unravel } { improper-setbox } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_omit_after_assignment:w + } + } +\__unravel_prefixed_new:nn { hyph_data } % 99 + { + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_scan_toks:NN \c_false_bool \c_false_bool + \__unravel_assign_token:n { } + } +\__unravel_prefixed_new:nn { set_interaction } % 100 + { + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_put_right:NV \l__unravel_head_tl \l__unravel_tmpa_tl + \tl_use:N \l__unravel_head_tl \scan_stop: + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_prefixed_new:nn { letterspace_font } % 101 + { + % ^^A todo... + % new_letterspaced_font(a); + \msg_error:nnx { unravel } { not-implemented } { letterspace-font } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_omit_after_assignment:w + } +\__unravel_prefixed_new:nn { pdf_copy_font } % 102 + { + % ^^A todo... + % make_font_copy(a); + \msg_error:nnx { unravel } { not-implemented } { pdf-copy-font } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_omit_after_assignment:w + } +\__unravel_prefixed_new:nn { register } % 89 + { \__unravel_do_register:N \c_zero } +\__unravel_prefixed_new:nn { advance } % 90 + { \__unravel_do_operation:N \c_one } +\__unravel_prefixed_new:nn { multiply } % 91 + { \__unravel_do_operation:N \c_two } +\__unravel_prefixed_new:nn { divide } % 92 + { \__unravel_do_operation:N \c_three } +\cs_new_protected:Npn \__unravel_do_operation:N #1 + { + \__unravel_prev_input_silent:V \l__unravel_head_tl + \__unravel_print_action: + \__unravel_get_x_next: + \__unravel_set_cmd: + \int_compare:nNnTF + \l__unravel_head_cmd_int > { \__unravel_tex_use:n { assign_mu_glue } } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { register } } + { \__unravel_do_register:N #1 } + { \__unravel_do_operation_fail:w } + } + { + \int_compare:nNnTF + \l__unravel_head_cmd_int < { \__unravel_tex_use:n { assign_int } } + { \__unravel_do_operation_fail:w } + { + \__unravel_prev_input:V \l__unravel_head_tl + \exp_args:NNf \__unravel_do_register_set:Nn #1 + { + \int_eval:n + { + \l__unravel_head_cmd_int + - \__unravel_tex_use:n { assign_toks } + } + } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_do_operation_fail:w + { + \msg_error:nn { unravel } { after-advance } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_omit_after_assignment:w + } +\cs_new_protected:Npn \__unravel_do_register:N #1 + { + \exp_args:NNV \__unravel_do_register_aux:Nn #1 + \l__unravel_head_char_int + } +\cs_new_protected:Npn \__unravel_do_register_aux:Nn #1#2 + { + \int_compare:nNnTF { \tl_tail:n {#2} } = \c_zero + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_scan_int: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_prev_input_silent:V \l__unravel_head_tl + } + { + \__unravel_prev_input_silent:V \l__unravel_head_tl + \__unravel_print_action: + } + \tl_set_eq:NN \l__unravel_defined_tl \l__unravel_head_tl + \exp_args:NNf \__unravel_do_register_set:Nn #1 + { \int_eval:n { #2 / 1 000 000 } } + } +\cs_new_protected:Npn \__unravel_do_register_set:Nn #1#2 + { + \int_compare:nNnTF {#1} = \c_zero + { % truly register command + \__unravel_scan_optional_equals: + } + { % \advance, \multiply, \divide + \__unravel_scan_keyword:nF { bByY } + { \__unravel_prev_input_silent:n { by } } + } + \int_compare:nNnTF {#1} < \c_two + { + \int_case:nnF {#2} + { + { 1 } { \__unravel_scan_int: } % count + { 2 } { \__unravel_scan_normal_dimen: } % dim + { 3 } { \__unravel_scan_normal_glue: } % glue + { 4 } { \__unravel_scan_mu_glue: } % muglue + } + { \msg_error:nnx { unravel } { internal } { do-reg=#2 } } + } + { \__unravel_scan_int: } + \__unravel_assign_register: + } +\cs_new_protected_nopar:Npn \__unravel_do_assignments: + { + \__unravel_get_x_non_relax: + \__unravel_set_cmd: + \int_compare:nNnT + \l__unravel_head_cmd_int + > { \__unravel_tex_use:n { max_non_prefixed_command } } + { + \bool_gset_false:N \g__unravel_set_box_allowed_bool + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_prefixed_command: + \bool_gset_true:N \g__unravel_set_box_allowed_bool + \__unravel_do_assignments: + } + } +\__unravel_new_tex_expandable:nn { undefined_cs } % 103 + { \tl_use:N \l__unravel_head_tl \__unravel_print_action: } +\__unravel_new_tex_expandable:nn { expand_after } % 104 + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_expandafter:D + { \__unravel_expandafter: } { \__unravel_unless: } + } +\cs_new_protected_nopar:Npn \__unravel_expandafter: + { + \gtl_set_eq:NN \l__unravel_tmpb_gtl \l__unravel_head_gtl + \__unravel_get_next: + \gtl_concat:NNN \l__unravel_head_gtl + \l__unravel_tmpb_gtl \l__unravel_head_gtl + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_gtl + \__unravel_print_action:x { \gtl_to_str:N \l__unravel_head_gtl } + \__unravel_get_next: + \__unravel_token_if_expandable:NTF \l__unravel_head_token + { \__unravel_expand: } + { \__unravel_back_input: } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_gtl + \__unravel_set_action_text:x + { back_input: ~ \gtl_to_str:N \l__unravel_head_gtl } + \gtl_pop_left:N \l__unravel_head_gtl + \__unravel_back_input: + \__unravel_print_action: + } +\cs_new_protected_nopar:Npn \__unravel_unless: + { + \__unravel_get_token: + \int_compare:nNnTF + \l__unravel_head_cmd_int = { \__unravel_tex_use:n { if_test } } + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_ifcase:D + { \__unravel_unless_bad: } + { + \tl_put_left:Nn \l__unravel_head_tl { \reverse_if:N } + % \int_add:Nn \l__unravel_head_char_int { 32 } + \__unravel_expand_nonmacro: + } + } + { \__unravel_unless_bad: } + } +\cs_new_protected_nopar:Npn \__unravel_unless_bad: + { + \msg_error:nn { unravel } { bad-unless } + \__unravel_back_input: + } +\__unravel_new_tex_expandable:nn { no_expand } % 105 + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \tex_noexpand:D + { \__unravel_noexpand: } + { \__unravel_pdfprimitive: } + } +\cs_new_protected_nopar:Npn \__unravel_noexpand: + { + \__unravel_get_token: + \__unravel_back_input: + \__unravel_token_if_expandable:NT \l__unravel_head_token + { + \cs_gset_protected_nopar:Npx \__unravel_get_next: + { + \cs_gset_protected_nopar:Npn \__unravel_get_next: + { \exp_not:o { \__unravel_get_next: } } + \exp_not:o { \__unravel_get_next: } + \exp_not:n { \cs_set_eq:NN \l__unravel_head_token \tex_relax:D } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_pdfprimitive: + { \msg_error:nnx { unravel } { not-implemented } { pdfprimitive } } +\__unravel_new_tex_expandable:nn { input } % 106 + { + \int_case:nnF \l__unravel_head_char_int + { + { 1 } { \__unravel_print_action: } % \endinput + { 2 } { \__unravel_scantokens: } % \scantokens + } + { % 0=\input + \bool_if:NTF \g__unravel_name_in_progress_bool + { \__unravel_insert_relax: } { \__unravel_input: } + } + } +\cs_new_protected_nopar:Npn \__unravel_scantokens: + { + \seq_gput_right:Nn \g__unravel_prev_input_seq { } + \__unravel_scan_toks:NN \c_false_bool \c_false_bool + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \tl_set_rescan:Nno \l__unravel_head_tl { } \l__unravel_tmpa_tl + \__unravel_back_input:V \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_tmpa_tl } + } +\cs_new_protected_nopar:Npn \__unravel_input: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_scan_file_name: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_set:Nx \l__unravel_tmpa_tl { \tl_tail:N \l__unravel_head_tl } + \__unravel_tl_gset_input:Nno \g__unravel_tmpc_tl { } \l__unravel_tmpa_tl + \__unravel_back_input:V \g__unravel_tmpc_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\__unravel_new_tex_expandable:nn { cs_name } % 109 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_csname_loop: + \__unravel_prev_input:V \l__unravel_head_tl + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_back_input_tl_o: + } +\cs_new_protected_nopar:Npn \__unravel_csname_loop: + { + \__unravel_get_x_next: + \token_if_cs:NTF \l__unravel_head_token + { + \cs_if_eq:NNF \l__unravel_head_token \tex_endcsname:D + { + \msg_error:nn { unravel } { missing-endcsname } + \__unravel_back_input: + \tl_set:Nn \l__unravel_head_tl { \tex_endcsname:D } + } + } + { + \__unravel_prev_input_silent:x + { \__unravel_token_to_char:N \l__unravel_head_token } + \__unravel_csname_loop: + } + } +\__unravel_new_tex_expandable:nn { convert } % 110 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \int_case:nn \l__unravel_head_char_int + { + 0 \__unravel_scan_int: + 1 \__unravel_scan_int: + 2 { \__unravel_get_next: \__unravel_prev_input:V \l__unravel_head_tl } + 3 { \__unravel_get_next: \__unravel_prev_input:V \l__unravel_head_tl } + 4 \__unravel_scan_font_ident: + 8 \__unravel_scan_font_ident: + 9 \__unravel_scan_font_ident: + { 10 } \__unravel_scan_font_ident: + { 11 } \__unravel_scan_int: + { 12 } \__unravel_scan_int: + { 13 } \__unravel_scan_pdf_ext_toks: + { 14 } \__unravel_scan_pdf_ext_toks: + { 15 } \__unravel_scan_int: + { 16 } \__unravel_scan_int: + { 17 } \__unravel_scan_pdfstrcmp: + { 18 } \__unravel_scan_pdfcolorstackinit: + { 19 } \__unravel_scan_pdf_ext_toks: + { 20 } \__unravel_scan_pdf_ext_toks: + { 22 } \__unravel_scan_pdf_ext_toks: + { 23 } \__unravel_scan_pdf_ext_toks: + { 24 } + { + \__unravel_scan_keyword:n { fF iI lL eE } + \__unravel_scan_pdf_ext_toks: + } + { 25 } \__unravel_scan_pdffiledump: + { 26 } \__unravel_scan_pdfmatch: + { 27 } \__unravel_scan_int: + { 28 } \__unravel_scan_int: + { 30 } \__unravel_scan_int: + { 31 } \__unravel_scan_pdfximagebbox: + } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_back_input_tl_o: + } +\cs_new_protected_nopar:Npn \__unravel_scan_pdfstrcmp: + { + \__unravel_scan_toks_to_str: + \__unravel_scan_toks_to_str: + } +\cs_new_protected_nopar:Npn \__unravel_scan_pdfximagebbox: + { \__unravel_scan_int: \__unravel_scan_int: } +\cs_new_protected_nopar:Npn \__unravel_scan_pdfcolorstackinit: + { + \__unravel_scan_keyword:nTF { pP aA gG eE } + { \bool_set_true:N \l__unravel_tmpa_bool } + { \bool_set_false:N \l__unravel_tmpb_bool } + \__unravel_scan_keyword:nF { dD iI rR eE cC tT } + { \__unravel_scan_keyword:n { pP aA gG eE } } + \__unravel_scan_toks_to_str: + } +\cs_new_protected_nopar:Npn \__unravel_scan_pdffiledump: + { + \__unravel_scan_keyword:nT { oO fF fF sS eE tT } \__unravel_scan_int: + \__unravel_scan_keyword:nT { lL eE nN gG tT hH } \__unravel_scan_int: + \__unravel_scan_pdf_ext_toks: + } +\cs_new_protected_nopar:Npn \__unravel_scan_pdfmatch: + { + \__unravel_scan_keyword:n { iI cC aA sS eE } + \__unravel_scan_keyword:nT { sS uU bB cC oO uU nN tT } + { \__unravel_scan_int: } + \__unravel_scan_pdf_ext_toks: + \__unravel_scan_pdf_ext_toks: + } +\__unravel_new_tex_expandable:nn { the } % 111 + { + \__unravel_get_the: + \tl_set:Nx \l__unravel_tmpa_tl { \exp_args:NV \exp_not:o \l__unravel_head_tl } + \__unravel_back_input:V \l__unravel_tmpa_tl + \__unravel_print_action: + } +\cs_new_protected_nopar:Npn \__unravel_get_the: + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \int_if_odd:nTF \l__unravel_head_char_int + { % \unexpanded, \detokenize + \__unravel_scan_toks:NN \c_false_bool \c_false_bool + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_set_action_text:x { \tl_to_str:N \l__unravel_head_tl } + } + { % \the + \__unravel_get_x_next: + \__unravel_scan_something_internal:n { 5 } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_set_action_text:x + { + \tl_head:N \l__unravel_head_tl + => \tl_tail:N \l__unravel_head_tl + } + \tl_set:Nx \l__unravel_head_tl + { \exp_not:N \exp_not:n { \tl_tail:N \l__unravel_head_tl } } + } + } +\__unravel_new_tex_expandable:nn { top_bot_mark } % 112 + { \__unravel_back_input_tl_o: } +\__unravel_new_tex_expandable:nn { end_template } % 117 + { + \msg_error:nn { unravel } { not-implemented } { end-template } + \__unravel_back_input_tl_o: + } +\cs_new_protected_nopar:Npn \__unravel_pass_text: + { + \__unravel_input_if_empty:TF + { \__unravel_pass_text_empty: } + { + \__unravel_input_get:N \l__unravel_tmpb_gtl + \if_true: + \if_case:w \gtl_head_do:NN \l__unravel_tmpb_gtl \c_one + \exp_after:wN \__unravel_pass_text_done:w + \fi: + \__unravel_input_gpop:N \l__unravel_tmpb_gtl + \exp_after:wN \__unravel_pass_text: + \else: + \use:c { fi: } + \int_set_eq:NN \l__unravel_if_nesting_int \c_one + \__unravel_input_gpop:N \l__unravel_tmpb_gtl + \exp_after:wN \__unravel_pass_text_nested: + \fi: + } + } +\cs_new_protected_nopar:Npn \__unravel_pass_text_done:w + { + \__unravel_get_next: + \token_if_eq_meaning:NNT \l__unravel_head_token \fi: { \if_true: } + \else: + } +\cs_new_protected_nopar:Npn \__unravel_pass_text_nested: + { + \__unravel_input_if_empty:TF + { \__unravel_pass_text_empty: } + { + \__unravel_input_get:N \l__unravel_tmpb_gtl + \if_true: + \if_true: + \gtl_head_do:NN \l__unravel_tmpb_gtl \else: + \int_decr:N \l__unravel_if_nesting_int + \use_none:nnnnn + \fi: + \use_none:nnn + \fi: + \int_incr:N \l__unravel_if_nesting_int + \fi: + \__unravel_input_gpop:N \l__unravel_tmpa_gtl + \int_compare:nNnTF \l__unravel_if_nesting_int = \c_zero + { \__unravel_pass_text: } + { \__unravel_pass_text_nested: } + } + } +\cs_new_protected_nopar:Npn \__unravel_pass_text_empty: + { + \msg_error:nn { unravel } { runaway-if } + \__unravel_exit:w + } +\cs_new_protected:Npn \__unravel_cond_push: + { + \tl_gput_left:Nx \g__unravel_if_limit_tl + { { \int_use:N \g__unravel_if_limit_int } } + \int_gincr:N \g__unravel_if_depth_int + \int_gzero:N \g__unravel_if_limit_int + } +\cs_new_protected_nopar:Npn \__unravel_cond_pop: + { + \int_gset:Nn \g__unravel_if_limit_int + { \tl_head:N \g__unravel_if_limit_tl } + \tl_gset:Nx \g__unravel_if_limit_tl + { \tl_tail:N \g__unravel_if_limit_tl } + \int_gdecr:N \g__unravel_if_depth_int + } +\cs_new_protected:Npn \__unravel_change_if_limit:nn #1#2 + { + \int_compare:nNnTF {#2} = \g__unravel_if_depth_int + { \int_gset:Nn \g__unravel_if_limit_int {#1} } + { + \tl_clear:N \l__unravel_tmpa_tl + \prg_replicate:nn { \g__unravel_if_depth_int - #2 - \c_one } + { + \tl_put_right:Nx \l__unravel_tmpa_tl + { { \tl_head:N \g__unravel_if_limit_tl } } + \tl_gset:Nx \g__unravel_if_limit_tl + { \tl_tail:N \g__unravel_if_limit_tl } + } + \tl_gset:Nx \g__unravel_if_limit_tl + { \l__unravel_tmpa_tl {#1} \tl_tail:N \g__unravel_if_limit_tl } + } + } +\__unravel_new_tex_expandable:nn { if_test } % 107 + { + \__unravel_cond_push: + \exp_args:NV \__unravel_cond_aux:n \g__unravel_if_depth_int + } +\cs_new_protected:Npn \__unravel_cond_aux:n #1 + { + \int_case:nnF \l__unravel_head_char_int + { + { 12 } { \__unravel_test_ifx:n {#1} } + { 16 } { \__unravel_test_case:n {#1} } + { 21 } { \__unravel_test_pdfprimitive:n {#1} } % ^^A todo and \unless + } + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \int_case:nn \l__unravel_head_char_int + { + { 0 } { \__unravel_test_two_chars: } % if + { 1 } { \__unravel_test_two_chars: } % ifcat + { 2 } % ifnum + { \__unravel_test_two_vals:N \__unravel_scan_int: } + { 3 } % ifdim + { \__unravel_test_two_vals:N \__unravel_scan_normal_dimen: } + { 4 } { \__unravel_scan_int: } % ifodd + % { 5 } { } % ifvmode + % { 6 } { } % ifhmode + % { 7 } { } % ifmmode + % { 8 } { } % ifinner + { 9 } { \__unravel_scan_int: } % ifvoid + { 10 } { \__unravel_scan_int: } % ifhbox + { 11 } { \__unravel_scan_int: } % ifvbox + { 13 } { \__unravel_scan_int: } % ifeof + % { 14 } { } % iftrue + % { 15 } { } % iffalse + { 17 } { \__unravel_test_ifdefined: } % ifdefined + { 18 } { \__unravel_test_ifcsname: } % ifcsname + { 19 } % iffontchar + { \__unravel_scan_font_ident: \__unravel_scan_int: } + % { 20 } { } % ifincsname % ^^A todo: something? + { 22 } % ifpdfabsnum + { \__unravel_test_two_vals:N \__unravel_scan_int: } + { 23 } % ifpdfabsdim + { \__unravel_test_two_vals:N \__unravel_scan_normal_dimen: } + } + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_set_action_text:x { \tl_to_str:N \l__unravel_head_tl } + \l__unravel_head_tl \scan_stop: + \exp_after:wN \__unravel_cond_true:n + \else: + \exp_after:wN \__unravel_cond_false:n + \fi: + {#1} + } + } +\cs_new_protected:Npn \__unravel_cond_true:n #1 + { + \__unravel_change_if_limit:nn { 3 } {#1} % wait for else/fi + \__unravel_print_action:x { \g__unravel_action_text_str = true } + } +\cs_new_protected:Npn \__unravel_cond_false:n #1 + { + \__unravel_cond_false_loop:n {#1} + \__unravel_cond_false_common: + \__unravel_print_action:x { \g__unravel_action_text_str = false } + } +\cs_new_protected:Npn \__unravel_cond_false_loop:n #1 + { + \__unravel_pass_text: + \int_compare:nNnTF \g__unravel_if_depth_int = {#1} + { + \token_if_eq_meaning:NNT \l__unravel_head_token \or: + { + \msg_error:nn { unravel } { extra-or } + \__unravel_cond_false_loop:n {#1} + } + } + { + \token_if_eq_meaning:NNT \l__unravel_head_token \fi: + { \__unravel_cond_pop: } + \__unravel_cond_false_loop:n {#1} + } + } +\cs_new_protected_nopar:Npn \__unravel_cond_false_common: + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \fi: + { \__unravel_cond_pop: } + { \int_gset:Nn \g__unravel_if_limit_int { 2 } } % wait for fi + } +\cs_new_protected:Npn \__unravel_test_two_vals:N #1 + { + #1 + \__unravel_get_x_non_blank: + \tl_if_in:nVF { < = > } \l__unravel_head_tl + { + \msg_error:nn { unravel } { missing-equals } + \__unravel_back_input: + \tl_set:Nn \l__unravel_head_tl { = } + } + \__unravel_prev_input:V \l__unravel_head_tl + #1 + } +\cs_new_protected_nopar:Npn \__unravel_test_two_chars: + { + \__unravel_test_two_chars_aux: + \__unravel_prev_input:V \l__unravel_head_tl + \__unravel_test_two_chars_aux: + \__unravel_prev_input:V \l__unravel_head_tl + } +\cs_new_protected_nopar:Npn \__unravel_test_two_chars_aux: + { + \__unravel_get_x_next: + \gtl_if_tl:NF \l__unravel_head_gtl + { + \tl_set:Nx \l__unravel_head_tl + { + \gtl_if_head_is_group_begin:NTF \l__unravel_head_gtl + { \c_group_begin_token } { \c_group_end_token } + } + } + \tl_put_left:Nn \l__unravel_head_tl { \exp_not:N } % ^^A todo: prettify. + } +\cs_new_protected:Npn \__unravel_test_ifx:n #1 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \__unravel_get_next: + \gtl_set_eq:NN \l__unravel_tmpb_gtl \l__unravel_head_gtl + \__unravel_get_next: + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_tmpa_tl + \__unravel_set_action_text:x + { + Compare:~ \tl_to_str:N \l__unravel_tmpa_tl + \gtl_to_str:N \l__unravel_tmpb_gtl + \gtl_to_str:N \l__unravel_head_gtl + } + \gtl_head_do:NN \l__unravel_tmpb_gtl \__unravel_test_ifx_aux:w + \exp_after:wN \__unravel_cond_true:n + \else: + \exp_after:wN \__unravel_cond_false:n + \fi: + {#1} + } +\cs_new_nopar:Npn \__unravel_test_ifx_aux:w + { \gtl_head_do:NN \l__unravel_head_gtl \l__unravel_tmpa_tl } +\cs_new_protected:Npn \__unravel_test_case:n #1 + { + \seq_gput_right:NV \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action: + \bool_if:NT \l__unravel_debug_bool { \iow_term:n { {\ifcase level~#1} } } + \__unravel_scan_int: + \seq_get_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \tl_set:Nx \l__unravel_head_tl { \tl_tail:N \l__unravel_head_tl } + % ^^A does text_case_aux use prev_input_seq? + \exp_args:No \__unravel_test_case_aux:nn { \l__unravel_head_tl } {#1} + \seq_gpop_right:NN \g__unravel_prev_input_seq \l__unravel_head_tl + \__unravel_print_action:x { \tl_to_str:N \l__unravel_head_tl } + } +\cs_new_protected:Npn \__unravel_test_case_aux:nn #1#2 + { + \int_compare:nNnTF {#1} = \c_zero + { \__unravel_change_if_limit:nn { 4 } {#2} } + { + \__unravel_pass_text: + \int_compare:nNnTF \g__unravel_if_depth_int = {#2} + { + \token_if_eq_meaning:NNTF \l__unravel_head_token \or: + { + \exp_args:Nf \__unravel_test_case_aux:nn + { \int_eval:n { #1 - 1 } } {#2} + } + { \__unravel_cond_false_common: } + } + { + \token_if_eq_meaning:NNT \l__unravel_head_token \fi: + { \__unravel_cond_pop: } + \__unravel_test_case_aux:nn {#1} {#2} + } + } + } +\cs_new_protected_nopar:Npn \__unravel_test_ifdefined: + { + \__unravel_input_if_empty:TF + { \__unravel_pass_text_empty: } + { + \__unravel_input_gpop:N \l__unravel_tmpb_gtl + \__unravel_set_action_text:x + { + Conditional:~ \tl_to_str:N \l__unravel_head_tl + \gtl_to_str:N \l__unravel_tmpb_gtl + } + \__unravel_prev_input:x + { + \gtl_if_tl:NTF \l__unravel_tmpb_gtl + { \gtl_head:N \l__unravel_tmpb_gtl } + { \gtl_to_str:N \l__unravel_tmpb_gtl } + } + } + } +\cs_new_protected_nopar:Npn \__unravel_test_ifcsname: + { + \__unravel_csname_loop: + \__unravel_prev_input:V \l__unravel_head_tl + } +\__unravel_new_tex_expandable:nn { fi_or_else } % 108 + { + \int_compare:nNnTF \l__unravel_head_char_int > \g__unravel_if_limit_int + { + \int_compare:nNnTF \g__unravel_if_limit_int = \c_zero + { + \int_compare:nNnTF \g__unravel_if_depth_int = \c_zero + { \msg_error:nn { unravel } { extra-fi-or-else } } + { \__unravel_insert_relax: } + } + { \msg_error:nn { unravel } { extra-fi-or-else } } + } + { + \__unravel_set_action_text: + \int_compare:nNnF \l__unravel_head_char_int = \c_two + { + \__unravel_fi_or_else_loop: + \__unravel_set_action_text:x + { + \g__unravel_action_text_str \c_space_tl + => ~ skipped ~ to ~ \tl_to_str:N \l__unravel_head_tl + } + } + % ^^A todo: in this print_action the token itself is missing. + \__unravel_print_action: + \__unravel_cond_pop: + } + } +\cs_new_protected_nopar:Npn \__unravel_fi_or_else_loop: + { + \int_compare:nNnF \l__unravel_head_char_int = \c_two + { + \__unravel_pass_text: + \__unravel_set_cmd: + \__unravel_fi_or_else_loop: + } + } +\cs_new_eq:NN \__unravel_print:n \iow_term:n +\cs_generate_variant:Nn \__unravel_print:n { x } +\cs_new_protected:Npn \__unravel_print_message:nn #1 #2 + { \iow_wrap:nnnN { #1 #2 } { #1 } { } \__unravel_print:n } +\cs_new_protected:Npn \__unravel_set_action_text:x #1 + { + \group_begin: + \int_set:Nn \tex_escapechar:D { 92 } + \str_gset:Nx \g__unravel_action_text_str {#1} + \group_end: + } +\cs_new_protected_nopar:Npn \__unravel_set_action_text: + { + \__unravel_set_action_text:x + { + \tl_to_str:N \l__unravel_head_tl + \tl_if_single_token:VT \l__unravel_head_tl + { = ~ \exp_after:wN \token_to_meaning:N \l__unravel_head_tl } + } + } +\cs_new_protected:Npn \__unravel_print_state: + { + \group_begin: + \int_set:Nn \tex_escapechar:D { 92 } + \int_compare:nNnT \g__unravel_noise_int > \c_zero + { + \exp_args:Nx \__unravel_print_state_output:n + { \gtl_to_str:N \g__unravel_output_gtl } + \seq_set_map:NNn \l__unravel_tmpa_seq \g__unravel_prev_input_seq + { \__unravel_to_str:n {##1} } + \seq_remove_all:Nn \l__unravel_tmpa_seq { } + \exp_args:Nx \__unravel_print_state_prev:n + { \seq_use:Nn \l__unravel_tmpa_seq { \\ } } + \exp_args:Nx \__unravel_print_state_input:n + { \__unravel_input_to_str: } + } + \group_end: + \__unravel_prompt: + } +\cs_new_protected:Npn \__unravel_print_state_output:n #1 + { + \tl_if_empty:nF {#1} + { + \int_set:Nn \l__unravel_print_int { \str_count:n {#1} } + \__unravel_print_message:nn { <| ~ } + { + \int_compare:nNnTF + \l__unravel_print_int > \g__unravel_max_output_int + { + ( + \int_eval:n + { + \l__unravel_print_int + - \g__unravel_max_output_int + 14 + } ~ + chars + )~ + ... + \str_substr:nnn {#1} + { \l__unravel_print_int - \g__unravel_max_output_int + 15 } + { \l__unravel_print_int } + } + {#1} + } + } + } +\cs_new_protected:Npn \__unravel_print_state_prev:n #1 + { + % \int_set:Nn \l__unravel_print_int { \str_count:n {#1} } + \__unravel_print_message:nn { || ~ } {#1} + % { + % \int_compare:nNnTF \l__unravel_print_int > \g__unravel_max_prev_int + % { + % ( + % \int_eval:n + % { \l__unravel_print_int - \g__unravel_max_prev_int + 14 } ~ + % chars + % )~ + % ... + % \str_substr:nnn {#1} + % { \l__unravel_print_int - \g__unravel_max_prev_int + 15 } + % { \l__unravel_print_int } + % } + % {#1} + % } + } +\cs_new_protected:Npn \__unravel_print_state_input:n #1 + { + \int_set:Nn \l__unravel_print_int { \str_count:n {#1} } + \__unravel_print_message:nn { |> ~ } + { + \int_compare:nNnTF \l__unravel_print_int > \g__unravel_max_input_int + { + \str_substr:nnn {#1} { 1 } { \g__unravel_max_input_int - 14 } + ...~ + ( + \int_eval:n + { \l__unravel_print_int - \g__unravel_max_input_int + 14 } ~ + chars + ) + } + {#1} + } + } +\cs_new_protected:Npn \__unravel_print_meaning: + { + \__unravel_input_if_empty:TF + { \__unravel_print_message:nn { } { Empty~input! } } + { + \__unravel_input_get:N \l__unravel_tmpb_gtl + \__unravel_print_message:nn { } + { + \gtl_head_do:NN \l__unravel_tmpb_gtl \token_to_str:N + = \gtl_head_do:NN \l__unravel_tmpb_gtl \token_to_meaning:N + } + } + } +\cs_new_protected:Npn \__unravel_print_action: + { + \int_gincr:N \g__unravel_step_int + \__unravel_print_message:nn { } + { + % \\ + [=====~ Step~ \int_use:N \g__unravel_step_int \ =====]~ + \int_compare:nNnTF + { \str_count:N \g__unravel_action_text_str } + > { \g__unravel_max_action_int } + { + \str_substr:Nnn \g__unravel_action_text_str + { 1 } { \g__unravel_max_action_int - 3 } ... + } + { \g__unravel_action_text_str } + % \\ + % \ \ < \int_use:N \g__unravel_input_int > % ^^A todo: remove + % \ < \seq_count:N \g__unravel_prev_input_seq > % ^^A todo: remove + } + \__unravel_print_state: + } +\cs_new_protected:Npn \__unravel_print_action:x #1 + { + \__unravel_set_action_text:x {#1} + \__unravel_print_action: + } +\cs_new_protected:Npn \__unravel_print_gtl_action:N #1 + { + \__unravel_print_action:x { \gtl_to_str:N #1 } + } +\cs_new_eq:NN \__unravel_print_done:x \__unravel_print_action:x +\cs_new_protected_nopar:Npn \__unravel_print_assigned_token: + { + \__unravel_after_assignment: % ^^A todo: simplify + \__unravel_print_action:x + { + Set~ \exp_after:wN \token_to_str:N \l__unravel_defined_tl + = \exp_after:wN \token_to_meaning:N \l__unravel_defined_tl + } + \__unravel_omit_after_assignment:w + } +\cs_new_protected_nopar:Npn \__unravel_print_assigned_register: + { + \__unravel_after_assignment: % ^^A todo: simplify + \__unravel_print_action:x + { + Set~ \exp_after:wN \token_to_str:N \l__unravel_defined_tl + \tl_if_single:NT \l__unravel_defined_tl + { ( \exp_after:wN \token_to_meaning:N \l__unravel_defined_tl ) } + = \exp_after:wN \tex_the:D \l__unravel_defined_tl + } + \__unravel_omit_after_assignment:w + } +\cs_new_protected_nopar:Npn \__unravel_print_welcome: + { + \__unravel_print_message:nn { } + { + \\ + ========~ Welcome~ to~ the~ unravel~ package~ ========\\ + \iow_indent:n + { + "<|"~ denotes~ the~ output~ to~ TeX's~ stomach. \\ + "||"~ denotes~ tokens~ waiting~ to~ be~ used. \\ + "|>"~ denotes~ tokens~ that~ we~ will~ act~ on. \\ + Press~<enter>~to~continue;~'h'~<enter>~for~help. \\ + } + } + \__unravel_print_state: + } +\cs_new_protected_nopar:Npn \__unravel_print_outcome: + { + % \int_gset_eq:NN \g__unravel_max_input_int \c_max_int + % \int_gset_eq:NN \g__unravel_max_prev_int \c_max_int + % \int_gset_eq:NN \g__unravel_max_output_int \c_max_int + % \__unravel_print_state: + \__unravel_print_message:nn { } { [=====~The~end!~=====] \\ } + } +\cs_new_protected_nopar:Npn \__unravel_prompt: + { + \int_gdecr:N \g__unravel_nonstop_int + \int_compare:nNnF \g__unravel_nonstop_int > \c_zero + { + \group_begin: + \int_set_eq:NN \tex_escapechar:D \c_minus_one + \int_set_eq:NN \tex_endlinechar:D \c_minus_one + \tl_use:N \g__unravel_prompt_before_tl + \tl_gclear:N \g__unravel_prompt_before_tl + \__unravel_prompt_aux: + \group_end: + } + } +\cs_new_protected_nopar:Npn \__unravel_prompt_aux: + { + \ior_get_str:Nc \g__unravel_prompt_ior { Your~input } + \exp_args:Nv \__unravel_prompt_treat:n { Your~input } + } +\cs_new_protected:Npn \__unravel_prompt_treat:n #1 + { + \tl_if_empty:nF {#1} + { + \exp_args:Nx \str_case:nnF { \tl_head:n {#1} } + { + { m } { \__unravel_print_meaning: \__unravel_prompt_aux: } + { q } + { + \int_gset_eq:NN \g__unravel_noise_int \c_minus_one + \int_gzero:N \g__unravel_nonstop_int + } + { x } + { + \group_end: + \exp_after:wN \__unravel_exit:w \__unravel_exit:w + } + { X } { \tex_batchmode:D \tex_end:D } + { s } { \__unravel_prompt_scan_int:nn {#1} + \__unravel_prompt_silent_steps:n } + { o } { \__unravel_prompt_scan_int:nn {#1} + { \int_gset:Nn \g__unravel_noise_int } } + { C } + { + \tl_gset_rescan:Nnx \g__unravel_tmpc_tl + { \ExplSyntaxOn } { \tl_tail:n {#1} } + \tl_gput_left:Nn \g__unravel_tmpc_tl + { \tl_gclear:N \g__unravel_tmpc_tl } + \group_insert_after:N \g__unravel_tmpc_tl + } + } + { \__unravel_prompt_help: } + } + } +\cs_new_protected:Npn \__unravel_prompt_scan_int:nn #1 + { + \tex_afterassignment:D \__unravel_prompt_scan_int_after:wn + \l__unravel_prompt_tmpa_int = 0 \use_none:n #1 \scan_stop: + } +\cs_new_protected:Npn \__unravel_prompt_scan_int_after:wn #1 \scan_stop: #2 + { + #2 \l__unravel_prompt_tmpa_int + \tl_if_blank:nF {#1} { \__unravel_prompt_treat:n {#1} } + } +\cs_new_protected:Npn \__unravel_prompt_help: + { + \__unravel_print:n { "m":~meaning~of~first~token } + \__unravel_print:n { "q":~semi-quiet } + \__unravel_print:n { "x":~exit~this~instance~of~unravel } + \__unravel_print:n { "X":~try~harder~to~exit } + \__unravel_print:n { "s<num>":~do~<num>~steps~silently } + \__unravel_print:n + { "o<num>":~0~=>~only~log~not~online,~1~=>~both,~-1~=>~neither.} + \__unravel_print:n { "C<code>":~run~some~code~immediately } + \__unravel_prompt_aux: + } +\cs_new_protected:Npn \__unravel_prompt_silent_steps:n #1 + { + \int_gset_eq:NN \g__unravel_noise_int \c_minus_one + \tl_gset:Nn \g__unravel_prompt_before_tl + { \int_gset_eq:NN \g__unravel_noise_int \c_one } + \int_gset:Nn \g__unravel_nonstop_int {#1} + } +\cs_new_protected:Npn \unravel #1 { \__unravel_unravel:n {#1} } +\cs_new_protected_nopar:Npn \UnravelDebug + { + \bool_set_true:N \l__unravel_debug_bool + } +\cs_new_protected:Npn \__unravel_unravel:n #1 + { + \int_gzero:N \g__unravel_step_int + \__unravel_input_gset:n {#1} + \seq_gclear:N \g__unravel_prev_input_seq + \gtl_gclear:N \g__unravel_output_gtl + \tl_gclear:N \g__unravel_if_limit_tl + \int_gzero:N \g__unravel_if_limit_int + \int_gzero:N \g__unravel_if_depth_int + \gtl_gclear:N \g__unravel_after_assignment_gtl + \bool_gset_true:N \g__unravel_set_box_allowed_bool + \bool_gset_false:N \g__unravel_name_in_progress_bool + \cs_gset_eq:NN \g__unravel_prompt_ior \c_minus_one % ^^A todo:? + \__unravel_print_welcome: + \__unravel_main_loop: + \__unravel_exit_point: + \__unravel_print_outcome: + \bool_if:nTF + { + \tl_if_empty_p:N \g__unravel_if_limit_tl + && \int_compare_p:nNn \g__unravel_if_limit_int = \c_zero + && \int_compare_p:nNn \g__unravel_if_depth_int = \c_zero + && \seq_if_empty_p:N \g__unravel_prev_input_seq + } + { \__unravel_input_if_empty:TF { } { \__unravel_bad_finish: } } + { \__unravel_bad_finish: } + \__unravel_exit_point: + } +\cs_new_protected_nopar:Npn \__unravel_bad_finish: + { + \msg_error:nnx { unravel } { internal } + { the-last-unravel-finished-badly } + } +\cs_new_protected_nopar:Npn \__unravel_main_loop: + { + \__unravel_get_x_next: + \__unravel_set_cmd: + \__unravel_do_step: + \__unravel_main_loop: + } +\msg_new:nnn { unravel } { unknown-primitive } + { Internal~error:~the~primitive~'#1'~is~not~known. } +\msg_new:nnn { unravel } { extra-fi-or-else } + { Extra~fi,~or,~or~else. } +\msg_new:nnn { unravel } { missing-lbrace } + { Missing~left~brace~inserted. } +\msg_new:nnn { unravel } { missing-dollar } + { Missing~dollar~inserted. } +\msg_new:nnn { unravel } { unknown-expandable } + { Internal~error:~the~expandable~command~'#1'~is~not~known. } +\msg_new:nnn { unravel } { missing-font-id } + { Missing~font~identifier.~\iow_char:N\\nullfont~inserted. } +\msg_new:nnn { unravel } { missing-rparen } + { Missing~right~parenthesis~inserted~for~expression. } +\msg_new:nnn { unravel } { incompatible-units } + { Mu~glue/dimen~used~as~a~normal~glue/dimen~or~vice-versa. } +\msg_new:nnn { unravel } { missing-mudim } + { Missing~mu~unit. } +\msg_new:nnn { unravel } { missing-cs } + { Missing~control~sequence.~\iow_char:N\\inaccessible~inserted. } +\msg_new:nnn { unravel } { missing-box } + { Missing~box~inserted. } +\msg_new:nnn { unravel } { missing-to } + { Missing~keyword~'to'~inserted. } +\msg_new:nnn { unravel } { improper-leaders } + { Leaders~not~followed~by~proper~glue. } +\msg_new:nnn { unravel } { extra-close } + { Extra~right~brace~or~\iow_char:N\\endgroup. } +\msg_new:nnn { unravel } { off-save } + { Something~is~wrong~with~groups. } +\msg_new:nnn { unravel } { hrule-bad-mode } + { \iow_char\\hrule~used~in~wrong~mode. } +\msg_new:nnn { unravel } { invalid-mode } + { Invalid~mode~for~this~command. } +\msg_new:nnn { unravel } { color-stack-action-missing } + { Missing~color~stack~action. } +\msg_new:nnn { unravel } { action-type-missing } + { Missing~action~type. } +\msg_new:nnn { unravel } { identifier-type-missing } + { Missing~identifier~type. } +\msg_new:nnn { unravel } { destination-type-missing } + { Missing~destination~type. } +\msg_new:nnn { unravel } { erroneous-prefixes } + { Prefixes~appplied~to~non-assignment~command. } +\msg_new:nnn { unravel } { improper-setbox } + { \iow_char:N\\setbox~while~fetching~base~of~an~accent. } +\msg_new:nnn { unravel } { after-advance } + { + Missing~register~after~\iow_char:N\\advance,~ + \iow_char:N\\multiply,~or~\iow_char:N\\divide. + } +\msg_new:nnn { unravel } { bad-unless } + { \iow_char:N\\unless~not~followed~by~conditional. } +\msg_new:nnn { unravel } { missing-endcsname } + { Missing~\iow_char:N\\endcsname~inserted. } +\msg_new:nnn { unravel } { runaway-if } + { Runaway~\iow_char:N\\if... } +\msg_new:nnn { unravel } { extra-or } + { Extra~\iow_char:N\\or. } +\msg_new:nnn { unravel } { missing-equals } + { Missing~equals~for~\iow_char:N\\ifnum~or~\iow_char:N\\ifdim. } +\msg_new:nnn { unravel } { internal } + { Internal~error:~'#1'.~\ Please report. } +\msg_new:nnn { unravel } { not-implemented } + { The~following~feature~is~not~implemented:~'#1'. } +%% +%% +%% End of file `unravel.sty'. |