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+/* commands.h
+
+ Copyright 2008 Taco Hoekwater <taco@luatex.org>
+
+ This file is part of LuaTeX.
+
+ LuaTeX is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ LuaTeX is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
+
+/* $Id: commands.h 2094 2009-03-23 14:13:54Z taco $ */
+
+
+typedef enum {
+ relax_cmd = 0, /* do nothing ( \.{\\relax} ) */
+#define escape_cmd relax_cmd /* escape delimiter (called \.\\ in {\sl The \TeX book\/}) */
+ left_brace_cmd, /* beginning of a group ( \.\{ ) */
+ right_brace_cmd, /* ending of a group ( \.\} ) */
+ math_shift_cmd, /* mathematics shift character ( \.\$ ) */
+ tab_mark_cmd, /* alignment delimiter ( \.\&, \.{\\span} ) */
+ car_ret_cmd, /* end of line ( |carriage_return|, \.{\\cr}, \.{\\crcr} ) */
+#define out_param_cmd car_ret_cmd /* output a macro parameter */
+ mac_param_cmd, /* macro parameter symbol ( \.\# ) */
+ sup_mark_cmd, /* superscript ( \.{\char'136} ) */
+ sub_mark_cmd, /* subscript ( \.{\char'137} ) */
+ endv_cmd, /* end of \<v_j> list in alignment template */
+#define ignore_cmd endv_cmd /* characters to ignore ( \.{\^\^@@} ) */
+ spacer_cmd, /* characters equivalent to blank space ( \.{\ } ) */
+ letter_cmd, /* characters regarded as letters ( \.{A..Z}, \.{a..z} ) */
+ other_char_cmd, /* none of the special character types */
+ par_end_cmd, /* end of paragraph ( \.{\\par} ) */
+#define active_char_cmd par_end_cmd /* characters that invoke macros ( \.{\char`\~} ) */
+#define match_cmd par_end_cmd /* match a macro parameter */
+ stop_cmd, /* end of job ( \.{\\end}, \.{\\dump} ) */
+#define comment_cmd stop_cmd /* characters that introduce comments ( \.\% ) */
+#define end_match_cmd stop_cmd /* end of parameters to macro */
+ delim_num_cmd, /* specify delimiter numerically ( \.{\\delimiter} ) */
+#define invalid_char_cmd delim_num_cmd /* characters that shouldn't appear ( \.{\^\^?} ) */
+#define max_char_code_cmd delim_num_cmd /* largest catcode for individual characters */
+ char_num_cmd, /* character specified numerically ( \.{\\char} ) */
+ math_char_num_cmd, /* explicit math code ( \.{\\mathchar} ) */
+ mark_cmd, /* mark definition ( \.{\\mark} ) */
+ xray_cmd, /* peek inside of \TeX\ ( \.{\\show}, \.{\\showbox}, etc.~) */
+ make_box_cmd, /* make a box ( \.{\\box}, \.{\\copy}, \.{\\hbox}, etc.~) */
+ hmove_cmd, /* horizontal motion ( \.{\\moveleft}, \.{\\moveright} ) */
+ vmove_cmd, /* vertical motion ( \.{\\raise}, \.{\\lower} ) */
+ un_hbox_cmd, /* unglue a box ( \.{\\unhbox}, \.{\\unhcopy} ) */
+ un_vbox_cmd, /* unglue a box ( \.{\\unvbox}, \.{\\unvcopy} or
+ \.{\\pagediscards}, \.{\\splitdiscards} ) */
+ remove_item_cmd, /* nullify last item ( \.{\\unpenalty}, \.{\\unkern}, \.{\\unskip} ) */
+ hskip_cmd, /* horizontal glue ( \.{\\hskip}, \.{\\hfil}, etc.~) */
+ vskip_cmd, /* vertical glue ( \.{\\vskip}, \.{\\vfil}, etc.~) */
+ mskip_cmd, /* math glue ( \.{\\mskip} ) */
+ kern_cmd, /* fixed space ( \.{\\kern}) */
+ mkern_cmd, /* math kern ( \.{\\mkern} ) */
+ leader_ship_cmd, /* use a box ( \.{\\shipout}, \.{\\leaders}, etc.~) */
+ halign_cmd, /* horizontal table alignment ( \.{\\halign} ) */
+ valign_cmd, /* vertical table alignment ( \.{\\valign} ) */
+ no_align_cmd, /* temporary escape from alignment ( \.{\\noalign} ) */
+ vrule_cmd, /* vertical rule ( \.{\\vrule} ) */
+ hrule_cmd, /* horizontal rule ( \.{\\hrule} ) */
+ insert_cmd, /* vlist inserted in box ( \.{\\insert} ) */
+ vadjust_cmd, /* vlist inserted in enclosing paragraph ( \.{\\vadjust} ) */
+ ignore_spaces_cmd, /* gobble |spacer| tokens ( \.{\\ignorespaces} ) */
+ after_assignment_cmd, /* save till assignment is done ( \.{\\afterassignment} ) */
+ after_group_cmd, /* save till group is done ( \.{\\aftergroup} ) */
+ break_penalty_cmd, /* additional badness ( \.{\\penalty} ) */
+ start_par_cmd, /* begin paragraph ( \.{\\indent}, \.{\\noindent} ) */
+ ital_corr_cmd, /* italic correction ( \.{\\/} ) */
+ accent_cmd, /* attach accent in text ( \.{\\accent} ) */
+ math_accent_cmd, /* attach accent in math ( \.{\\mathaccent} ) */
+ discretionary_cmd, /* discretionary texts ( \.{\\-}, \.{\\discretionary} ) */
+ eq_no_cmd, /* equation number ( \.{\\eqno}, \.{\\leqno} ) */
+ left_right_cmd, /* variable delimiter ( \.{\\left}, \.{\\right} or \.{\\middle} ) */
+ math_comp_cmd, /* component of formula ( \.{\\mathbin}, etc.~) */
+ limit_switch_cmd, /* diddle limit conventions ( \.{\\displaylimits}, etc.~) */
+ above_cmd, /* generalized fraction ( \.{\\above}, \.{\\atop}, etc.~) */
+ math_style_cmd, /* style specification ( \.{\\displaystyle}, etc.~) */
+ math_choice_cmd, /* choice specification ( \.{\\mathchoice} ) */
+ non_script_cmd, /* conditional math glue ( \.{\\nonscript} ) */
+ vcenter_cmd, /* vertically center a vbox ( \.{\\vcenter} ) */
+ case_shift_cmd, /* force specific case ( \.{\\lowercase}, \.{\\uppercase}~) */
+ message_cmd, /* send to user ( \.{\\message}, \.{\\errmessage} ) */
+ extension_cmd, /* extensions to \TeX\ ( \.{\\write}, \.{\\special}, etc.~) */
+ in_stream_cmd, /* files for reading ( \.{\\openin}, \.{\\closein} ) */
+ begin_group_cmd, /* begin local grouping ( \.{\\begingroup} ) */
+ end_group_cmd, /* end local grouping ( \.{\\endgroup} ) */
+ omit_cmd, /* omit alignment template ( \.{\\omit} ) */
+ ex_space_cmd, /* explicit space ( \.{\\\ } ) */
+ no_boundary_cmd, /* suppress boundary ligatures ( \.{\\noboundary} ) */
+ radical_cmd, /* square root and similar signs ( \.{\\radical} ) */
+ end_cs_name_cmd, /* end control sequence ( \.{\\endcsname} ) */
+ char_ghost_cmd, /* \.{\\ghostleft}, \.{\\ghostright} character for kerning */
+ assign_local_box_cmd, /* box for guillemets \.{\\localleftbox} or \.{\\localrightbox} */
+ char_given_cmd, /* character code defined by \.{\\chardef} */
+#define min_internal_cmd char_given_cmd /* the smallest code that can follow \.{\\the} */
+ math_given_cmd, /* math code defined by \.{\\mathchardef} */
+ omath_given_cmd, /* math code defined by \.{\\omathchardef} */
+ xmath_given_cmd, /* math code defined by \.{\\LuaTeXmathchardef} */
+ last_item_cmd, /* most recent item ( \.{\\lastpenalty}, \.{\\lastkern}, \.{\\lastskip} ) */
+#define max_non_prefixed_command_cmd last_item_cmd /* largest command code that can't be \.{\\global} */
+ toks_register_cmd, /* token list register ( \.{\\toks} ) */
+ assign_toks_cmd, /* special token list ( \.{\\output}, \.{\\everypar}, etc.~) */
+ assign_int_cmd, /* user-defined integer ( \.{\\tolerance}, \.{\\day}, etc.~) */
+ assign_attr_cmd, /* user-defined attributes */
+ assign_dimen_cmd, /* user-defined length ( \.{\\hsize}, etc.~) */
+ assign_glue_cmd, /* user-defined glue ( \.{\\baselineskip}, etc.~) */
+ assign_mu_glue_cmd, /* user-defined muglue ( \.{\\thinmuskip}, etc.~) */
+ assign_font_dimen_cmd, /* user-defined font dimension ( \.{\\fontdimen} ) */
+ assign_font_int_cmd, /* user-defined font integer ( \.{\\hyphenchar}, \.{\\skewchar} ) */
+ set_aux_cmd, /* specify state info ( \.{\\spacefactor}, \.{\\prevdepth} ) */
+ set_prev_graf_cmd, /* specify state info ( \.{\\prevgraf} ) */
+ set_page_dimen_cmd, /* specify state info ( \.{\\pagegoal}, etc.~) */
+ set_page_int_cmd, /* specify state info ( \.{\\deadcycles}, \.{\\insertpenalties} ) */
+ set_box_dimen_cmd, /* change dimension of box ( \.{\\wd}, \.{\\ht}, \.{\\dp} ) */
+ set_tex_shape_cmd, /* specify fancy paragraph shape ( \.{\\parshape} ) */
+ set_etex_shape_cmd, /* specify etex extended list ( \.{\\interlinepenalties}, etc.~) */
+ def_char_code_cmd, /* define a character code ( \.{\\catcode}, etc.~) */
+ def_del_code_cmd, /* define a delimiter code ( \.{\\delcode}) */
+ extdef_math_code_cmd, /* define an extended character code ( \.{\\omathcode}, etc.~) */
+ extdef_del_code_cmd, /* define an extended delimiter code ( \.{\\odelcode}, etc.~) */
+ def_family_cmd, /* declare math fonts ( \.{\\textfont}, etc.~) */
+ set_math_param_cmd, /* set math parameters ( \.{\\mathquad}, etc.~) */
+ set_font_cmd, /* set current font ( font identifiers ) */
+ def_font_cmd, /* define a font file ( \.{\\font} ) */
+ register_cmd, /* internal register ( \.{\\count}, \.{\\dimen}, etc.~) */
+ assign_box_dir_cmd, /* (\.{\\boxdir}) */
+ assign_dir_cmd, /* (\.{\\pagedir}, \.{\\textdir}) */
+#define max_internal_cmd assign_dir_cmd /* the largest code that can follow \.{\\the} */
+ advance_cmd, /* advance a register or parameter ( \.{\\advance} ) */
+ multiply_cmd, /* multiply a register or parameter ( \.{\\multiply} ) */
+ divide_cmd, /* divide a register or parameter ( \.{\\divide} ) */
+ prefix_cmd, /* qualify a definition ( \.{\\global}, \.{\\long}, \.{\\outer} ) */
+ let_cmd, /* assign a command code ( \.{\\let}, \.{\\futurelet} ) */
+ shorthand_def_cmd, /* code definition ( \.{\\chardef}, \.{\\countdef}, etc.~) */
+ read_to_cs_cmd, /* read into a control sequence ( \.{\\read} ) */
+ def_cmd, /* macro definition ( \.{\\def}, \.{\\gdef}, \.{\\xdef}, \.{\\edef} ) */
+ set_box_cmd, /* set a box ( \.{\\setbox} ) */
+ hyph_data_cmd, /* hyphenation data ( \.{\\hyphenation}, \.{\\patterns} ) */
+ set_interaction_cmd, /* define level of interaction ( \.{\\batchmode}, etc.~) */
+ letterspace_font_cmd, /* letterspace a font ( \.{\\letterspacefont} ) */
+ pdf_copy_font_cmd, /* create a new font instance ( \.{\\pdfcopyfont} ) */
+ set_ocp_cmd, /* Place a translation process in the stream */
+ def_ocp_cmd, /* Define and load a translation process */
+ set_ocp_list_cmd, /* Place a list of OCPs in the stream */
+ def_ocp_list_cmd, /* Define a list of OCPs */
+ clear_ocp_lists_cmd, /* Remove all active OCP lists */
+ push_ocp_list_cmd, /* Add to the sequence of active OCP lists */
+ pop_ocp_list_cmd, /* Remove from the sequence of active OCP lists */
+ ocp_list_op_cmd, /* Operations for building a list of OCPs */
+ ocp_trace_level_cmd, /* Tracing of active OCPs, either 0 or 1 */
+#define max_command_cmd ocp_trace_level_cmd /* the largest command code seen at |big_switch| */
+ undefined_cs_cmd, /* initial state of most |eq_type| fields */
+ expand_after_cmd, /* special expansion ( \.{\\expandafter} ) */
+ no_expand_cmd, /* special nonexpansion ( \.{\\noexpand} ) */
+ input_cmd, /* input a source file ( \.{\\input}, \.{\\endinput} or
+ \.{\\scantokens} or \.{\\scantextokens} ) */
+ if_test_cmd, /* conditional text ( \.{\\if}, \.{\\ifcase}, etc.~) */
+ fi_or_else_cmd, /* delimiters for conditionals ( \.{\\else}, etc.~) */
+ cs_name_cmd, /* make a control sequence from tokens ( \.{\\csname} ) */
+ convert_cmd, /* convert to text ( \.{\\number}, \.{\\string}, etc.~) */
+ the_cmd, /* expand an internal quantity ( \.{\\the} or \.{\\unexpanded}, \.{\\detokenize} ) */
+ top_bot_mark_cmd, /* inserted mark ( \.{\\topmark}, etc.~) */
+ call_cmd, /* non-long, non-outer control sequence */
+ long_call_cmd, /* long, non-outer control sequence */
+ outer_call_cmd, /* non-long, outer control sequence */
+ long_outer_call_cmd, /* long, outer control sequence */
+ end_template_cmd, /* end of an alignment template */
+ dont_expand_cmd, /* the following token was marked by \.{\\noexpand} */
+ glue_ref_cmd, /* the equivalent points to a glue specification */
+ shape_ref_cmd, /* the equivalent points to a parshape specification */
+ box_ref_cmd, /* the equivalent points to a box node, or is |null| */
+ data_cmd, /* the equivalent is simply a halfword number */
+#define last_cmd data_cmd
+} tex_command_code;
+
+
+typedef enum {
+ int_val_level = 0, /* integer values */
+ attr_val_level, /* integer values */
+ dimen_val_level, /* dimension values */
+ glue_val_level, /* glue specifications */
+ mu_val_level, /* math glue specifications */
+ dir_val_level, /* directions */
+ ident_val_level, /* font identifier */
+ tok_val_level, /* token lists */
+} value_level_code;
+
+typedef enum {
+ above_code = 0,
+ over_code = 1,
+ atop_code = 2,
+ delimited_code = 3
+} fraction_codes;
+
+
+typedef enum {
+ convert_number_code = 0, /* command code for \.{\\number} */
+ convert_roman_numeral_code, /* command code for \.{\\romannumeral} */
+ convert_string_code, /* command code for \.{\\string} */
+ convert_meaning_code, /* command code for \.{\\meaning} */
+ convert_font_name_code, /* command code for \.{\\fontname} */
+ convert_etex_code, /* command code for \.{\\eTeXVersion} */
+ convert_omega_code, /* command code for \.{\\OmegaVersion} */
+ convert_aleph_code, /* command code for \.{\\AlephVersion} */
+ convert_format_name_code, /* command code for \.{\\AlephVersion} */
+ convert_pdftex_revision_code, /* command code for \.{\\pdftexrevision} */
+#define convert_pdftex_first_expand_code convert_pdftex_revision_code /* base for \pdfTeX's command codes */
+ convert_pdftex_banner_code, /* command code for \.{\\pdftexbanner} */
+ convert_pdf_font_name_code, /* command code for \.{\\pdffontname} */
+ convert_pdf_font_objnum_code, /* command code for \.{\\pdffontobjnum} */
+ convert_pdf_font_size_code, /* command code for \.{\\pdffontsize} */
+ convert_pdf_page_ref_code, /* command code for \.{\\pdfpageref} */
+ convert_pdf_xform_name_code, /* command code for \.{\\pdfxformname} */
+ convert_left_margin_kern_code, /* command code for \.{\\leftmarginkern} */
+ convert_right_margin_kern_code, /* command code for \.{\\rightmarginkern} */
+ convert_pdf_creation_date_code, /* command code for \.{\\pdfcreationdate} */
+ convert_uniform_deviate_code, /* command code for \.{\\uniformdeviate} */
+ convert_normal_deviate_code, /* command code for \.{\\normaldeviate} */
+ convert_pdf_insert_ht_code, /* command code for \.{\\pdfinsertht} */
+ convert_pdf_ximage_bbox_code, /* command code for \.{\\pdfximagebbox} */
+ convert_lua_code, /* command code for \.{\\directlua} */
+ convert_lua_escape_string_code, /* command code for \.{\\luaescapestring} */
+ convert_pdf_colorstack_init_code, /* command code for \.{\\pdfcolorstackinit} */
+ convert_luatex_revision_code, /* command code for \.{\\luatexrevision} */
+ convert_luatex_date_code, /* command code for \.{\\luatexdate} */
+ convert_expanded_code, /* command code for \.{\\expanded} */
+ convert_job_name_code, /* command code for \.{\\jobname} */
+#define convert_pdftex_convert_codes convert_job_name_code /* end of \pdfTeX's command codes */
+ convert_Aleph_revision_code, /* command code for \.{\\Alephrevision} */
+ convert_Omega_revision_code, /* command code for \.{\\Omegarevision} */
+ convert_eTeX_revision_code, /* command code for \.{\\eTeXrevision} */
+ convert_font_identifier_code, /* command code for \.{tex.fontidentifier} (virtual) */
+} convert_codes;
+
+typedef enum {
+ last_item_lastpenalty_code = 0, /* code for \.{\\lastpenalty} */
+ last_item_lastattr_code, /* not used */
+ last_item_lastkern_code, /* code for \.{\\lastkern} */
+ last_item_lastskip_code, /* code for \.{\\lastskip} */
+ last_item_last_node_type_code, /* code for \.{\\lastnodetype} */
+ last_item_input_line_no_code, /* code for \.{\\inputlineno} */
+ last_item_badness_code, /* code for \.{\\badness} */
+ last_item_pdftex_version_code, /* code for \.{\\pdftexversion} */
+#define last_item_pdftex_first_rint_code last_item_pdftex_version_code /* base for \pdfTeX's command codes */
+ last_item_pdf_last_obj_code, /* code for \.{\\pdflastobj} */
+ last_item_pdf_last_xform_code, /* code for \.{\\pdflastxform} */
+ last_item_pdf_last_ximage_code, /* code for \.{\\pdflastximage} */
+ last_item_pdf_last_ximage_pages_code, /* code for \.{\\pdflastximagepages} */
+ last_item_pdf_last_annot_code, /* code for \.{\\pdflastannot} */
+ last_item_pdf_last_x_pos_code, /* code for \.{\\pdflastxpos} */
+ last_item_pdf_last_y_pos_code, /* code for \.{\\pdflastypos} */
+ last_item_pdf_retval_code, /* global multi-purpose return value */
+ last_item_pdf_last_ximage_colordepth_code, /* code for \.{\\pdflastximagecolordepth} */
+ last_item_random_seed_code, /* code for \.{\\pdfrandomseed} */
+ last_item_pdf_last_link_code, /* code for \.{\\pdflastlink} */
+ last_item_luatex_version_code, /* code for \.{\\luatexversion} */
+#define last_item_pdftex_last_item_codes last_item_luatex_version_code /* end of \pdfTeX's command codes */
+ last_item_Aleph_version_code, /* code for \.{\\Alephversion} */
+#define last_item_Aleph_int last_item_Aleph_version_code
+ last_item_Omega_version_code, /* code for \.{\\Omegaversion} */
+ last_item_Aleph_minor_version_code, /* code for \.{\\Alephminorversion} */
+ last_item_Omega_minor_version_code, /* code for \.{\\Omegaminorversion} */
+ last_item_eTeX_minor_version_code, /* code for \.{\\eTeXminorversion} */
+ last_item_eTeX_version_code, /* code for \.{\\eTeXversion} */
+#define last_item_eTeX_int last_item_eTeX_version_code /* first of \eTeX\ codes for integers */
+ last_item_current_group_level_code, /* code for \.{\\currentgrouplevel} */
+ last_item_current_group_type_code, /* code for \.{\\currentgrouptype} */
+ last_item_current_if_level_code, /* code for \.{\\currentiflevel} */
+ last_item_current_if_type_code, /* code for \.{\\currentiftype} */
+ last_item_current_if_branch_code, /* code for \.{\\currentifbranch} */
+ last_item_glue_stretch_order_code, /* code for \.{\\gluestretchorder} */
+ last_item_glue_shrink_order_code, /* code for \.{\\glueshrinkorder} */
+ last_item_font_char_wd_code, /* code for \.{\\fontcharwd} */
+#define last_item_eTeX_dim last_item_font_char_wd_code /* first of \eTeX\ codes for dimensions */
+ last_item_font_char_ht_code, /* code for \.{\\fontcharht} */
+ last_item_font_char_dp_code, /* code for \.{\\fontchardp} */
+ last_item_font_char_ic_code, /* code for \.{\\fontcharic} */
+ last_item_par_shape_length_code, /* code for \.{\\parshapelength} */
+ last_item_par_shape_indent_code, /* code for \.{\\parshapeindent} */
+ last_item_par_shape_dimen_code, /* code for \.{\\parshapedimen} */
+ last_item_glue_stretch_code, /* code for \.{\\gluestretch} */
+ last_item_glue_shrink_code, /* code for \.{\\glueshrink} */
+ last_item_mu_to_glue_code, /* code for \.{\\mutoglue} */
+#define last_item_eTeX_glue last_item_mu_to_glue_code /* first of \eTeX\ codes for glue */
+ last_item_glue_to_mu_code, /* code for \.{\\gluetomu} */
+#define last_item_eTeX_mu last_item_glue_to_mu_code /* first of \eTeX\ codes for muglue */
+ last_item_numexpr_code, /* code for \.{\\numexpr} */
+#define last_item_eTeX_expr last_item_numexpr_code /* first of \eTeX\ codes for expressions */
+ last_item_attrexpr_code, /* not used */
+ last_item_dimexpr_code, /* code for \.{\\dimexpr} */
+ last_item_glueexpr_code, /* code for \.{\\glueexpr} */
+ last_item_muexpr_code, /* code for \.{\\muexpr} */
+} last_item_codes;
+
+typedef enum {
+ param_par_shape_code = 0, /* specifies paragraph shape */
+ param_output_routine_code, /* points to token list for \.{\\output} */
+ param_every_par_code, /* points to token list for \.{\\everypar} */
+ param_every_math_code, /* points to token list for \.{\\everymath} */
+ param_every_display_code, /* points to token list for \.{\\everydisplay} */
+ param_every_hbox_code, /* points to token list for \.{\\everyhbox} */
+ param_every_vbox_code, /* points to token list for \.{\\everyvbox} */
+ param_every_job_code, /* points to token list for \.{\\everyjob} */
+ param_every_cr_code, /* points to token list for \.{\\everycr} */
+ param_err_help_code, /* points to token list for \.{\\errhelp} */
+ param_pdf_pages_attr_code, /* points to token list for \.{\\pdfpagesattr} */
+ param_pdf_page_attr_code, /* points to token list for \.{\\pdfpageattr} */
+ param_pdf_page_resources_code, /* points to token list for \.{\\pdfpageresources} */
+ param_pdf_pk_mode_code, /* points to token list for \.{\\pdfpkmode} */
+ param_every_eof_code, /* points to token list for \.{\\everyeof} */
+ param_ocp_trace_level_code,
+ param_ocp_active_number_code,
+ param_ocp_active_min_ptr_code,
+ param_ocp_active_max_ptr_code,
+ param_ocp_active_code
+} param_local_pars;
+
+
+typedef enum {
+ param_pretolerance_code = 0, /* badness tolerance before hyphenation */
+ param_tolerance_code, /* badness tolerance after hyphenation */
+ param_line_penalty_code, /* added to the badness of every line */
+ param_hyphen_penalty_code, /* penalty for break after discretionary hyphen */
+ param_ex_hyphen_penalty_code, /* penalty for break after explicit hyphen */
+ param_club_penalty_code, /* penalty for creating a club line */
+ param_widow_penalty_code, /* penalty for creating a widow line */
+ param_display_widow_penalty_code, /* ditto, just before a display */
+ param_broken_penalty_code, /* penalty for breaking a page at a broken line */
+ param_bin_op_penalty_code, /* penalty for breaking after a binary operation */
+ param_rel_penalty_code, /* penalty for breaking after a relation */
+ param_pre_display_penalty_code, /* penalty for breaking just before a displayed formula */
+ param_post_display_penalty_code, /* penalty for breaking just after a displayed formula */
+ param_inter_line_penalty_code, /* additional penalty between lines */
+ param_double_hyphen_demerits_code, /* demerits for double hyphen break */
+ param_final_hyphen_demerits_code, /* demerits for final hyphen break */
+ param_adj_demerits_code, /* demerits for adjacent incompatible lines */
+ param_mag_code, /* magnification ratio */
+ param_delimiter_factor_code, /* ratio for variable-size delimiters */
+ param_looseness_code, /* change in number of lines for a paragraph */
+ param_time_code, /* current time of day */
+ param_day_code, /* current day of the month */
+ param_month_code, /* current month of the year */
+ param_year_code, /* current year of our Lord */
+ param_show_box_breadth_code, /* nodes per level in |show_box| */
+ param_show_box_depth_code, /* maximum level in |show_box| */
+ param_hbadness_code, /* hboxes exceeding this badness will be shown by |hpack| */
+ param_vbadness_code, /* vboxes exceeding this badness will be shown by |vpack| */
+ param_pausing_code, /* pause after each line is read from a file */
+ param_tracing_online_code, /* show diagnostic output on terminal */
+ param_tracing_macros_code, /* show macros as they are being expanded */
+ param_tracing_stats_code, /* show memory usage if \TeX\ knows it */
+ param_tracing_paragraphs_code, /* show line-break calculations */
+ param_tracing_pages_code, /* show page-break calculations */
+ param_tracing_output_code, /* show boxes when they are shipped out */
+ param_tracing_lost_chars_code, /* show characters that aren't in the font */
+ param_tracing_commands_code, /* show command codes at |big_switch| */
+ param_tracing_restores_code, /* show equivalents when they are restored */
+ param_uc_hyph_code, /* hyphenate words beginning with a capital letter */
+ param_output_penalty_code, /* penalty found at current page break */
+ param_max_dead_cycles_code, /* bound on consecutive dead cycles of output */
+ param_hang_after_code, /* hanging indentation changes after this many lines */
+ param_floating_penalty_code, /* penalty for insertions heldover after a split */
+ param_global_defs_code, /* override \.{\\global} specifications */
+ param_cur_fam_code, /* current family */
+ param_escape_char_code, /* escape character for token output */
+ param_default_hyphen_char_code, /* value of \.{\\hyphenchar} when a font is loaded */
+ param_default_skew_char_code, /* value of \.{\\skewchar} when a font is loaded */
+ param_end_line_char_code, /* character placed at the right end of the buffer */
+ param_new_line_char_code, /* character that prints as |print_ln| */
+ param_language_code, /* current hyphenation table */
+ param_left_hyphen_min_code, /* minimum left hyphenation fragment size */
+ param_right_hyphen_min_code, /* minimum right hyphenation fragment size */
+ param_holding_inserts_code, /* do not remove insertion nodes from \.{\\box255} */
+ param_error_context_lines_code, /* maximum intermediate line pairs shown */
+ param_local_inter_line_penalty_code, /* local \.{\\interlinepenalty} */
+ param_local_broken_penalty_code, /* local \.{\\brokenpenalty} */
+ param_no_local_whatsits_code, /* counts local whatsits */
+ param_no_local_dirs_code,
+ param_level_local_dir_code,
+ param_luastartup_id_code,
+ param_disable_lig_code,
+ param_disable_kern_code,
+ param_cat_code_table_code,
+ param_output_box_code,
+ param_cur_lang_code, /* current language id */
+ param_ex_hyphen_char_code,
+ param_page_direction_code, /* the five direction params do not exist in web */
+ param_body_direction_code,
+ param_par_direction_code,
+ param_text_direction_code,
+ param_math_direction_code,
+ param_pdf_output_code, /* switch on PDF output if positive */
+ param_pdf_compress_level_code, /* compress level of streams */
+ param_pdf_decimal_digits_code, /* digits after the decimal point of numbers */
+ param_pdf_move_chars_code, /* move chars 0..31 to higher area if possible */
+ param_pdf_image_resolution_code, /* default image resolution */
+ param_pdf_pk_resolution_code, /* default resolution of PK font */
+ param_pdf_unique_resname_code, /* generate unique names for resouces */
+ param_pdf_option_always_use_pdfpagebox_code, /* if the PDF inclusion should always use a specific PDF page box */
+ param_pdf_option_pdf_inclusion_errorlevel_code, /* if the PDF inclusion should treat pdfs newer than |pdf_minor_version| as an error */
+ param_pdf_minor_version_code, /* fractional part of the PDF version produced */
+ param_pdf_force_pagebox_code, /* if the PDF inclusion should always use a specific PDF page box */
+ param_pdf_pagebox_code, /* default pagebox to use for PDF inclusion */
+ param_pdf_inclusion_errorlevel_code, /* if the PDF inclusion should treat pdfs newer than |pdf_minor_version| as an error */
+ param_pdf_gamma_code,
+ param_pdf_image_gamma_code,
+ param_pdf_image_hicolor_code,
+ param_pdf_image_apply_gamma_code,
+ param_pdf_adjust_spacing_code, /* level of spacing adjusting */
+ param_pdf_protrude_chars_code, /* protrude chars at left/right edge of paragraphs */
+ param_pdf_tracing_fonts_code, /* level of font detail in log */
+ param_pdf_objcompresslevel_code, /* activate object streams */
+ param_unused_one_code, /* deleted param (pdftex integer 21) */
+ param_unused_two_code, /* deleted param (pdftex integer 22) */
+ param_unused_three_code, /* deleted param (pdftex integer 23) */
+ param_pdf_gen_tounicode_code, /* generate ToUnicode for fonts? */
+ param_pdf_draftmode_code, /* switch on draftmode if positive */
+ param_pdf_replace_font_code, /* generate ToUnicode for fonts? */
+ param_pdf_inclusion_copy_font_code, /* generate ToUnicode for fonts? */
+ param_tracing_assigns_code, /* show assignments */
+ param_tracing_groups_code, /* show save/restore groups */
+ param_tracing_ifs_code, /* show conditionals */
+ param_tracing_scan_tokens_code, /* show pseudo file open and close */
+ param_tracing_nesting_code, /* show incomplete groups and ifs within files */
+ param_pre_display_direction_code, /* text direction preceding a display */
+ param_last_line_fit_code, /* adjustment for last line of paragraph */
+ param_saving_vdiscards_code, /* save items discarded from vlists */
+ param_saving_hyph_codes_code, /* save hyphenation codes for languages */
+ param_suppress_fontnotfound_error_code, /* suppress errors for missing fonts */
+ param_suppress_long_error_code, /* suppress errors for \\par in non-long contexts */
+ param_suppress_ifcsname_error_code, /* suppress errors for \\ifcsname junk contexts */
+ param_suppress_outer_error_code, /* suppress errors for \\outer contexts */
+ param_synctex_code, /* is synctex file generation enabled ? */
+} int_param_codes;
+
+#define param_int_pars param_synctex_code+1 /* total number of integer parameters */
+
+typedef enum {
+ param_par_indent_code = 0, /* indentation of paragraphs */
+ param_math_surround_code, /* space around math in text */
+ param_line_skip_limit_code, /* threshold for |line_skip| instead of |baseline_skip| */
+ param_hsize_code, /* line width in horizontal mode */
+ param_vsize_code, /* page height in vertical mode */
+ param_max_depth_code, /* maximum depth of boxes on main pages */
+ param_split_max_depth_code, /* maximum depth of boxes on split pages */
+ param_box_max_depth_code, /* maximum depth of explicit vboxes */
+ param_hfuzz_code, /* tolerance for overfull hbox messages */
+ param_vfuzz_code, /* tolerance for overfull vbox messages */
+ param_delimiter_shortfall_code, /* maximum amount uncovered by variable delimiters */
+ param_null_delimiter_space_code, /* blank space in null delimiters */
+ param_script_space_code, /* extra space after subscript or superscript */
+ param_pre_display_size_code, /* length of text preceding a display */
+ param_display_width_code, /* length of line for displayed equation */
+ param_display_indent_code, /* indentation of line for displayed equation */
+ param_overfull_rule_code, /* width of rule that identifies overfull hboxes */
+ param_hang_indent_code, /* amount of hanging indentation */
+ param_h_offset_code, /* amount of horizontal offset when shipping pages out */
+ param_v_offset_code, /* amount of vertical offset when shipping pages out */
+ param_emergency_stretch_code, /* reduces badnesses on final pass of line-breaking */
+ param_page_left_offset_code,
+ param_page_top_offset_code,
+ param_page_right_offset_code,
+ param_page_bottom_offset_code,
+ param_pdf_h_origin_code, /* horigin of the PDF output */
+#define param_pdftex_first_dimen_code param_pdf_horigin_code /* first number defined in this section */
+ param_pdf_v_origin_code, /* vorigin of the PDF output */
+ param_page_width_code, /* page width of the PDF output */
+ param_page_height_code, /* page height of the PDF output */
+ param_pdf_link_margin_code, /* link margin in the PDF output */
+ param_pdf_dest_margin_code, /* dest margin in the PDF output */
+ param_pdf_thread_margin_code, /* thread margin in the PDF output */
+ param_pdf_first_line_height_code,
+ param_pdf_last_line_depth_code,
+ param_pdf_each_line_height_code,
+ param_pdf_each_line_depth_code,
+ param_pdf_ignored_dimen_code,
+ param_pdf_px_dimen_code
+} dimen_param_codes;
+
+#define param_pdftex_last_dimen_code param_pdftex_px_dimen_code /* last number defined in this section */
+#define param_dimen_pars param_pdftex_last_dimen_code+1 /* total number of dimension parameters */
+
+typedef enum {
+ param_line_skip_code = 0, /* interline glue if |baseline_skip| is infeasible */
+ param_baseline_skip_code, /* desired glue between baselines */
+ param_par_skip_code, /* extra glue just above a paragraph */
+ param_above_display_skip_code, /* extra glue just above displayed math */
+ param_below_display_skip_code, /* extra glue just below displayed math */
+ param_above_display_short_skip_code, /* glue above displayed math following short lines */
+ param_below_display_short_skip_code, /* glue below displayed math following short lines */
+ param_left_skip_code, /* glue at left of justified lines */
+ param_right_skip_code, /* glue at right of justified lines */
+ param_top_skip_code, /* glue at top of main pages */
+ param_split_top_skip_code, /* glue at top of split pages */
+ param_tab_skip_code, /* glue between aligned entries */
+ param_space_skip_code, /* glue between words (if not |zero_glue|) */
+ param_xspace_skip_code, /* glue after sentences (if not |zero_glue|) */
+ param_par_fill_skip_code, /* glue on last line of paragraph */
+ param_thin_mu_skip_code, /* thin space in math formula */
+ param_med_mu_skip_code, /* medium space in math formula */
+ param_thick_mu_skip_code, /* thick space in math formula */
+} param_skip_codes;
+
+#define glue_pars thick_mu_skip_code+1 /* total number of glue parameters */
+
+#define eq_type(a) zeqtb[a].hh.u.B0
+#define equiv(a) zeqtb[a].hh.v.RH
+
+#define int_par(A) zeqtb[static_int_base+(A)].cint
+#define dimen_par(A) zeqtb[static_dimen_base+(A)].cint
+#define loc_par(A) equiv(static_local_base+(A))
+#define glue_par(A) equiv(static_glue_base+(A))
+
+
+typedef enum {
+ bottom_level = 0, /* group code for the outside world */
+ simple_group, /* group code for local structure only */
+ hbox_group, /* code for `\.{\\hbox}\grp' */
+ adjusted_hbox_group, /* code for `\.{\\hbox}\grp' in vertical mode */
+ vbox_group, /* code for `\.{\\vbox}\grp' */
+ vtop_group, /* code for `\.{\\vtop}\grp' */
+ align_group, /* code for `\.{\\halign}\grp', `\.{\\valign}\grp' */
+ no_align_group, /* code for `\.{\\noalign}\grp' */
+ output_group, /* code for output routine */
+ math_group, /* code for, e.g., `\.{\char'136}\grp' */
+ disc_group, /* code for `\.{\\discretionary}\grp\grp\grp' */
+ insert_group, /* code for `\.{\\insert}\grp', `\.{\\vadjust}\grp' */
+ vcenter_group, /* code for `\.{\\vcenter}\grp' */
+ math_choice_group, /* code for `\.{\\mathchoice}\grp\grp\grp\grp' */
+ semi_simple_group, /* code for `\.{\\begingroup...\\endgroup}' */
+ math_shift_group, /* code for `\.{\$...\$}' */
+ math_left_group, /* code for `\.{\\left...\\right}' */
+ local_box_group, /* code for `\.{\\localleftbox...\\localrightbox}' */
+ max_group_code,
+ split_off_group, /* box code for the top part of a \.{\\vsplit} */
+ split_keep_group, /* box code for the bottom part of a \.{\\vsplit} */
+ preamble_group, /* box code for the preamble processing in an alignment */
+ align_set_group, /* box code for the final item pass in an alignment */
+ fin_row_group /* box code for a provisory line in an alignment */
+} tex_group_codes;