/* luatex-api.h

   Copyright 2006-2012 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: luatex-api.h 4956 2014-03-28 12:12:17Z luigi $ */

#ifndef LUATEX_API_H
#  define LUATEX_API_H 1

#  include <stdlib.h>
#  include <stdio.h>
#  include <stdarg.h>
#  include "lua.h"
#  include "lauxlib.h"
#  include "lualib.h"
#ifdef LuajitTeX
#  include "luajit.h"
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef struct LoadS {
    char *s;
    size_t size;
} LoadS;

extern lua_State *Luas;

extern void make_table(lua_State * L, const char *tab, const char *mttab, const char *getfunc,
                       const char *setfunc);

extern int luac_main(int argc, char *argv[]);

extern int luaopen_tex(lua_State * L);

extern int luaopen_pdf(lua_State * L);

#  define LUA_TEXFILEHANDLE               "TEXFILE*"

extern int luaopen_texio(lua_State * L);

extern int luaopen_lang(lua_State * L);

extern lua_State *luatex_error(lua_State * L, int fatal);

extern int luaopen_unicode(lua_State * L);
extern int luaopen_zip(lua_State * L);
extern int luaopen_lfs(lua_State * L);
extern int luaopen_lpeg(lua_State * L);
extern int luaopen_md5(lua_State * L);
extern int luatex_md5_lua_open(lua_State * L);

extern int luaopen_zlib(lua_State * L);
extern int luaopen_gzip(lua_State * L);
extern int luaopen_ff(lua_State * L);
extern int luaopen_profiler(lua_State * L);

extern int luaopen_socket_core(lua_State * L);
extern int luaopen_mime_core(lua_State * L);
extern void luatex_socketlua_open(lua_State * L);

extern int luaopen_img(lua_State * L);
extern int l_new_image(lua_State * L);
extern int luaopen_epdf(lua_State * L);
extern int luaopen_pdfscanner(lua_State * L);
extern int luaopen_mplib(lua_State * L);

extern void open_oslibext(lua_State * L, int safer_option);
extern int open_iolibext(lua_State * L);
extern void open_strlibext(lua_State * L);
extern void open_lfslibext(lua_State * L);

extern void initfilecallbackids(int max);
extern void setinputfilecallbackid(int n, int i);
extern void setreadfilecallbackid(int n, int i);
extern int getinputfilecallbackid(int n);
extern int getreadfilecallbackid(int n);

extern void lua_initialize(int ac, char **av);

extern int luaopen_kpse(lua_State * L);

extern int luaopen_callback(lua_State * L);

extern int luaopen_lua(lua_State * L, char *fname);

extern int luaopen_stats(lua_State * L);

extern int luaopen_font(lua_State * L);
extern int luaopen_vf(lua_State * L);
extern int font_to_lua(lua_State * L, int f);
extern int font_from_lua(lua_State * L, int f); /* return is boolean */

extern int luaopen_token(lua_State * L);
extern void tokenlist_to_lua(lua_State * L, int p);
extern void tokenlist_to_luastring(lua_State * L, int p);
extern int tokenlist_from_lua(lua_State * L);

extern void lua_nodelib_push(lua_State * L);
extern int nodelib_getdir(lua_State * L, int n, int absolute_only);

extern int luaopen_node(lua_State * L);
extern void nodelist_to_lua(lua_State * L, int n);
extern int nodelist_from_lua(lua_State * L);

extern int dimen_to_number(lua_State * L, const char *s);

extern int get_command_id(const char *s);

extern void dump_luac_registers(void);

extern void undump_luac_registers(void);

extern int lua_only;
#ifdef LuajitTeX
extern int luajiton;
extern char *jithash_hashname ;
#endif


#ifdef LuajitTeX
#define LUAJITTEX_HASHCHARS 6 /* todo: It must be like that one on lj_str.c */
#else
#define LUATEX_HASHCHARS 6  /* todo: It must be LUAI_HASHLIMIT! */
#endif
extern unsigned char show_luahashchars ;

extern void unhide_lua_table(lua_State * lua, const char *name, int r);
extern int hide_lua_table(lua_State * lua, const char *name);

extern void unhide_lua_value(lua_State * lua, const char *name,
                             const char *item, int r);
extern int hide_lua_value(lua_State * lua, const char *name, const char *item);

typedef struct command_item_ {
    const char *cmd_name;
    int command_offset;
    const char **commands;
} command_item;

extern command_item command_names[];
extern int callback_callbacks_id;

extern void luainterpreter(void);

extern int luabytecode_max;
extern unsigned int luabytecode_bytes;
extern int luastate_bytes;

extern int callback_count;
extern int saved_callback_count;

extern const char *ptexbanner;

extern const char *last_lua_error;


/* luastuff.h */

typedef struct {
    const char *name;           /* parameter name */
    int idx;                    /* index within img_parms array */
} parm_struct;

extern void preset_environment(lua_State * L, const parm_struct * p,
                               const char *s);

extern char *startup_filename;
extern int safer_option;
extern int nosocket_option;

extern char *last_source_name;
extern int last_lineno;

extern int program_name_set;    /* in lkpselib.c */

/* for topenin() */
extern char **argv;
extern int argc;

extern int loader_C_luatex(lua_State * L, const char *name,
                           const char *filename);
extern int loader_Call_luatex(lua_State * L, const char *name,
                              const char *filename);

extern void init_tex_table(lua_State * L);

extern int tex_table_id;
extern int pdf_table_id;
extern int token_table_id;
extern int node_table_id;
extern int main_initialize(void);

extern int do_run_callback(int special, const char *values, va_list vl);
extern int lua_traceback(lua_State * L);

extern int luainit;


extern char *luanames[];

extern int ff_get_ttc_index(char *ffname, char *psname);        /* luafontloader/src/luafflib.c */
extern int ff_createcff(char *, unsigned char **, int *);       /* luafontloader/src/luafflib.c */

extern char *FindResourceTtfFont(char *filename, char *fontname);       /* luafontloader/fontforge/fontforge/macbinary.c */

extern char charsetstr[];       /* from mpdir/psout.w */

#ifndef WIN32
extern char **environ;
#endif

#ifdef __cplusplus
}
#endif

/*
    Same as in lnodelib.c, but with prefix G_ for now.
    These macros create and access pointers (indices) to keys which is faster. The
    shortcuts are created as part of the initialization.

*/

/*#define init_luaS_index(a) do {                         */
#define init_lua_key(a) do {                      \
    lua_pushliteral(Luas,#a);                             \
    luaS_##a##_ptr = lua_tostring(Luas,-1);               \
    luaS_##a##_index = luaL_ref (Luas,LUA_REGISTRYINDEX); \
} while (0)

  /*#define init_luaS_index_s(a,b) do {           */
#define init_lua_key_alias(a,b) do {              \
    lua_pushliteral(Luas,b);                              \
    luaS_##a##_ptr = lua_tostring(Luas,-1);               \
    luaS_##a##_index = luaL_ref (Luas,LUA_REGISTRYINDEX); \
} while (0)

  /*#define make_luaS_index(a) */
#define make_lua_key(a)       \
    int luaS_##a##_index = 0;          \
    const char * luaS_##a##_ptr = NULL


/*#define luaS_ptr_eq(a,b) (a==luaS_##b##_ptr)*/
#define lua_key_eq(a,b) (a==luaS_##b##_ptr)

#define luaS_index(a)    luaS_##a##_index
#define lua_key_index(a) luaS_##a##_index
#define lua_key(a) luaS_##a##_ptr
#define use_lua_key(a)  \
  extern int luaS_##a##_index ;          \
  extern const char * luaS_##a##_ptr


#define lua_key_rawgeti(a) \
  lua_rawgeti(L, LUA_REGISTRYINDEX, luaS_##a##_index);\
  lua_rawget(L, -2)

#define lua_key_rawgeti_n(a,n) \
  lua_rawgeti(L, LUA_REGISTRYINDEX, luaS_##a##_index);\
  lua_rawget(L, -1+n)

#define lua_roundnumber(a,b) (int)floor((double)lua_tonumber(L,-1)+0.5)
extern int lua_numeric_field_by_index(lua_State *, int , int);



/* Currently we sometimes use numbers and sometimes strings in node properties. We can
make that consistent by having a check on number and if not then assign a string. The
strings are prehashed and we make a bunch of lua tables that have these values. We can
preassign these at startup time. */

/* no need for L state argument */

#define PACK_TYPE_SIZE        4
#define GROUP_CODE_SIZE      23
#define MATH_STYLE_NAME_SIZE  8
#define DIR_PAR_SIZE        128
#define DIR_TEXT_SIZE       128

extern int l_pack_type_index       [PACK_TYPE_SIZE] ;
extern int l_group_code_index      [GROUP_CODE_SIZE];
extern int l_math_style_name_index [MATH_STYLE_NAME_SIZE];
extern int l_dir_par_index         [DIR_PAR_SIZE];
extern int l_dir_text_index        [DIR_TEXT_SIZE];

#define lua_push_pack_type(L,pack_type)  lua_rawgeti(L, LUA_REGISTRYINDEX, l_pack_type_index      [pack_type] );
#define lua_push_group_code(L,group_code) lua_rawgeti(L, LUA_REGISTRYINDEX, l_group_code_index     [group_code]);
#define lua_push_math_style_name(L,style_name) lua_rawgeti(L, LUA_REGISTRYINDEX, l_math_style_name_index[style_name]);
#define lua_push_dir_par(L,dir) lua_rawgeti(L, LUA_REGISTRYINDEX, l_dir_par_index[dir+64])
#define lua_push_dir_text(L,dir) lua_rawgeti(L, LUA_REGISTRYINDEX, l_dir_text_index[dir+64])


#define lua_push_string_by_index(L,index) lua_rawgeti(L, LUA_REGISTRYINDEX, index)
#define lua_push_string_by_name(L,index) lua_rawgeti(L, LUA_REGISTRYINDEX, lua_key_index(index))


#define set_pack_type_index \
l_pack_type_index[0] = lua_key_index(exactly); \
l_pack_type_index[1] = lua_key_index(additional); \
l_pack_type_index[2] = lua_key_index(cal_expand_ratio);\
l_pack_type_index[3] = lua_key_index(subst_ex_font);

#define set_l_group_code_index \
l_group_code_index[0]  = lua_key_index(empty_string);\
l_group_code_index[1]  = lua_key_index(simple);\
l_group_code_index[2]  = lua_key_index(hbox);\
l_group_code_index[3]  = lua_key_index(adjusted_hbox);\
l_group_code_index[4]  = lua_key_index(vbox);\
l_group_code_index[5]  = lua_key_index(vtop);\
l_group_code_index[6]  = lua_key_index(align);\
l_group_code_index[7]  = lua_key_index(no_align);\
l_group_code_index[8]  = lua_key_index(output);\
l_group_code_index[9]  = lua_key_index(math);\
l_group_code_index[10] = lua_key_index(disc);\
l_group_code_index[11] = lua_key_index(insert);\
l_group_code_index[12] = lua_key_index(vcenter);\
l_group_code_index[13] = lua_key_index(math_choice);\
l_group_code_index[14] = lua_key_index(semi_simple);\
l_group_code_index[15] = lua_key_index(math_shift);\
l_group_code_index[16] = lua_key_index(math_left);\
l_group_code_index[17] = lua_key_index(local_box);\
l_group_code_index[18] = lua_key_index(split_off);\
l_group_code_index[19] = lua_key_index(split_keep);\
l_group_code_index[20] = lua_key_index(preamble);\
l_group_code_index[21] = lua_key_index(align_set);\
l_group_code_index[22] = lua_key_index(fin_row)

#define set_l_math_style_name_index \
l_math_style_name_index[0] = lua_key_index(display);\
l_math_style_name_index[1] = lua_key_index(crampeddisplay);\
l_math_style_name_index[2] = lua_key_index(text);\
l_math_style_name_index[3] = lua_key_index(crampedtext);\
l_math_style_name_index[4] = lua_key_index(script);\
l_math_style_name_index[5] = lua_key_index(crampedscript);\
l_math_style_name_index[6] = lua_key_index(scriptscript);\
l_math_style_name_index[7] = lua_key_index(crampedscriptscript)

#define set_l_dir_par_index \
l_dir_par_index[0] = lua_key_index(TLT);\
l_dir_par_index[4] = lua_key_index(TRT);\
l_dir_par_index[9] = lua_key_index(LTL);\
l_dir_par_index[24] = lua_key_index(RTT);\
l_dir_par_index[64] = lua_key_index(TLT);\
l_dir_par_index[68] = lua_key_index(TRT);\
l_dir_par_index[73] = lua_key_index(LTL);\
l_dir_par_index[88] = lua_key_index(RTT);\

#define set_l_dir_text_index \
l_dir_text_index[0] = lua_key_index(mTLT);\
l_dir_text_index[4] = lua_key_index(mTRT);\
l_dir_text_index[9] = lua_key_index(mLTL);\
l_dir_text_index[24] = lua_key_index(mRTT);\
l_dir_text_index[64] = lua_key_index(pTLT);\
l_dir_text_index[68] = lua_key_index(pTRT);\
l_dir_text_index[73] = lua_key_index(pLTL);\
l_dir_text_index[88] = lua_key_index(pRTT);\


#define set_make_keys \
make_lua_key(LTL);\
make_lua_key(MathConstants);\
make_lua_key(RTT);\
make_lua_key(TLT);\
make_lua_key(TRT);\
make_lua_key(accent);\
make_lua_key(action);\
make_lua_key(action_id);\
make_lua_key(action_type);\
make_lua_key(additional);\
make_lua_key(adjust);\
make_lua_key(adjust_head);\
make_lua_key(adjusted_hbox);\
make_lua_key(advance);\
make_lua_key(after_display);\
make_lua_key(after_output);\
make_lua_key(aleph);\
make_lua_key(align);\
make_lua_key(align_head);\
make_lua_key(align_set);\
make_lua_key(alignment);\
make_lua_key(annot);\
make_lua_key(area);\
make_lua_key(attr);\
make_lua_key(attributes);\
make_lua_key(auto_expand);\
make_lua_key(before_display);\
make_lua_key(best_ins_ptr);\
make_lua_key(best_page_break);\
make_lua_key(best_size);\
make_lua_key(bot);\
make_lua_key(bot_accent);\
make_lua_key(bottom_left);\
make_lua_key(bottom_right);\
make_lua_key(box);\
make_lua_key(box_left);\
make_lua_key(box_left_width);\
make_lua_key(box_right);\
make_lua_key(box_right_width);\
make_lua_key(broken_ins);\
make_lua_key(broken_ptr);\
make_lua_key(cache);\
make_lua_key(cal_expand_ratio);\
make_lua_key(catalog);\
make_lua_key(char);\
make_lua_key(characters);\
make_lua_key(checksum);\
make_lua_key(cidinfo);\
make_lua_key(class);\
make_lua_key(command);\
make_lua_key(commands);\
make_lua_key(comment);\
make_lua_key(components);\
make_lua_key(compresslevel);\
make_lua_key(contrib_head);\
make_lua_key(core);\
make_lua_key(cost);\
make_lua_key(count);\
make_lua_key(crampeddisplay);\
make_lua_key(crampedscript);\
make_lua_key(crampedscriptscript);\
make_lua_key(crampedtext);\
make_lua_key(data);\
make_lua_key(degree);\
make_lua_key(delim);\
make_lua_key(delimptr);\
make_lua_key(denom);\
make_lua_key(depth);\
make_lua_key(designsize);\
make_lua_key(dest_id);\
make_lua_key(dest_type);\
make_lua_key(dir);\
make_lua_key(dir_h);\
make_lua_key(direct);\
make_lua_key(direction);\
make_lua_key(dirs);\
make_lua_key(disc);\
make_lua_key(display);\
make_lua_key(down);\
make_lua_key(dvi_ptr);\
make_lua_key(embedding);\
make_lua_key(empty_string);\
make_lua_key(encodingbytes);\
make_lua_key(encodingname);\
make_lua_key(end);\
make_lua_key(etex);\
make_lua_key(exactly);\
make_lua_key(expansion_factor);\
make_lua_key(ext);\
make_lua_key(extend);\
make_lua_key(extender);\
make_lua_key(extensible);\
make_lua_key(extra_space);\
make_lua_key(fam);\
make_lua_key(fast);\
make_lua_key(file);\
make_lua_key(filename);\
make_lua_key(fin_row);\
make_lua_key(font);\
make_lua_key(fonts);\
make_lua_key(format);\
make_lua_key(fullname);\
make_lua_key(global);\
make_lua_key(glue_order);\
make_lua_key(glue_set);\
make_lua_key(glue_sign);\
make_lua_key(glyph);\
make_lua_key(h);\
make_lua_key(hbox);\
make_lua_key(head);\
make_lua_key(height);\
make_lua_key(hmode_par);\
make_lua_key(hold_head);\
make_lua_key(horiz_variants);\
make_lua_key(hyphenchar);\
make_lua_key(id);\
make_lua_key(image);\
make_lua_key(immediate);\
make_lua_key(index);\
make_lua_key(info);\
make_lua_key(insert);\
make_lua_key(italic);\
make_lua_key(kern);\
make_lua_key(kerns);\
make_lua_key(lang);\
make_lua_key(large_char);\
make_lua_key(large_fam);\
make_lua_key(last_ins_ptr);\
make_lua_key(leader);\
make_lua_key(least_page_cost);\
make_lua_key(left);\
make_lua_key(left_boundary);\
make_lua_key(left_protruding);\
make_lua_key(level);\
make_lua_key(ligatures);\
make_lua_key(link_attr);\
make_lua_key(list);\
make_lua_key(local_box);\
make_lua_key(log);\
make_lua_key(lua);\
make_lua_key(lua_functions);\
make_lua_key(luatex);\
make_lua_key(luatex_node);\
make_lua_key(mLTL);\
make_lua_key(mRTT);\
make_lua_key(mTLT);\
make_lua_key(mTRT);\
make_lua_key(mark);\
make_lua_key(math);\
make_lua_key(math_choice);\
make_lua_key(math_left);\
make_lua_key(math_shift);\
make_lua_key(mathdir);\
make_lua_key(mathkern);\
make_lua_key(mathstyle);\
make_lua_key(mid);\
make_lua_key(mode);\
make_lua_key(modeline);\
make_lua_key(name);\
make_lua_key(named_id);\
make_lua_key(names);\
make_lua_key(new_graf);\
make_lua_key(new_window);\
make_lua_key(next);\
make_lua_key(no);\
make_lua_key(no_align);\
make_lua_key(noad);\
make_lua_key(node);\
make_lua_key(node_properties);\
make_lua_key(node_properties_indirect);\
make_lua_key(nomath);\
make_lua_key(nop);\
make_lua_key(nucleus);\
make_lua_key(num);\
make_lua_key(number);\
make_lua_key(objcompression);\
make_lua_key(objnum);\
make_lua_key(omega);\
make_lua_key(ordering);\
make_lua_key(output);\
make_lua_key(pLTL);\
make_lua_key(pRTT);\
make_lua_key(pTLT);\
make_lua_key(pTRT);\
make_lua_key(page);\
make_lua_key(page_head);\
make_lua_key(page_ins_head);\
make_lua_key(pageattributes);\
make_lua_key(pageresources);\
make_lua_key(pagesattributes);\
make_lua_key(parameters);\
make_lua_key(pdf_data);\
make_lua_key(pdftex);\
make_lua_key(pen_broken);\
make_lua_key(pen_inter);\
make_lua_key(penalty);\
make_lua_key(pop);\
make_lua_key(post);\
make_lua_key(pre);\
make_lua_key(pre_adjust);\
make_lua_key(pre_adjust_head);\
make_lua_key(pre_align);\
make_lua_key(pre_box);\
make_lua_key(preamble);\
make_lua_key(prev);\
make_lua_key(prevdepth);\
make_lua_key(prevgraf);\
make_lua_key(psname);\
make_lua_key(ptr);\
make_lua_key(push);\
make_lua_key(quad);\
make_lua_key(raw);\
make_lua_key(ref_count);\
make_lua_key(reg);\
make_lua_key(registry);\
make_lua_key(renew);\
make_lua_key(rep);\
make_lua_key(replace);\
make_lua_key(right);\
make_lua_key(right_boundary);\
make_lua_key(right_protruding);\
make_lua_key(rule);\
make_lua_key(scale);\
make_lua_key(script);\
make_lua_key(scriptscript);\
make_lua_key(semi_simple);\
make_lua_key(shift);\
make_lua_key(shrink);\
make_lua_key(shrink_order);\
make_lua_key(simple);\
make_lua_key(size);\
make_lua_key(skewchar);\
make_lua_key(slant);\
make_lua_key(slot);\
make_lua_key(small_char);\
make_lua_key(small_fam);\
make_lua_key(space);\
make_lua_key(space_shrink);\
make_lua_key(space_stretch);\
make_lua_key(spacefactor);\
make_lua_key(spec);\
make_lua_key(special);\
make_lua_key(split_keep);\
make_lua_key(split_off);\
make_lua_key(stack);\
make_lua_key(start);\
make_lua_key(step);\
make_lua_key(stream);\
make_lua_key(streamfile);\
make_lua_key(stretch);\
make_lua_key(stretch_order);\
make_lua_key(string);\
make_lua_key(style);\
make_lua_key(sub);\
make_lua_key(subst_ex_font);\
make_lua_key(subtype);\
make_lua_key(sup);\
make_lua_key(supplement);\
make_lua_key(surround);\
make_lua_key(tail);\
make_lua_key(temp_head);\
make_lua_key(term);\
make_lua_key(term_and_log);\
make_lua_key(tex);\
make_lua_key(text);\
make_lua_key(thread_attr);\
make_lua_key(thread_id);\
make_lua_key(top);\
make_lua_key(top_accent);\
make_lua_key(top_left);\
make_lua_key(top_right);\
make_lua_key(tounicode);\
make_lua_key(trailer);\
make_lua_key(transform);\
make_lua_key(type);\
make_lua_key(uchyph);\
make_lua_key(umath);\
make_lua_key(units_per_em);\
make_lua_key(used);\
make_lua_key(user_id);\
make_lua_key(v);\
make_lua_key(value);\
make_lua_key(vbox);\
make_lua_key(vcenter);\
make_lua_key(version);\
make_lua_key(vert_variants);\
make_lua_key(vmode_par);\
make_lua_key(vtop);\
make_lua_key(width);\
make_lua_key(writable);\
make_lua_key(x_height);\
make_lua_key(xoffset);\
make_lua_key(xyz_zoom);\
make_lua_key(yoffset)


 #define set_init_keys \
init_lua_key(LTL);\
init_lua_key(MathConstants);\
init_lua_key(RTT);\
init_lua_key(TLT);\
init_lua_key(TRT);\
init_lua_key(accent);\
init_lua_key(action);\
init_lua_key(action_id);\
init_lua_key(action_type);\
init_lua_key(additional);\
init_lua_key(adjust);\
init_lua_key(adjust_head);\
init_lua_key(adjusted_hbox);\
init_lua_key(advance);\
init_lua_key(after_display);\
init_lua_key(after_output);\
init_lua_key(aleph);\
init_lua_key(align);\
init_lua_key(align_head);\
init_lua_key(align_set);\
init_lua_key(alignment);\
init_lua_key(annot);\
init_lua_key(area);\
init_lua_key(attr);\
init_lua_key(attributes);\
init_lua_key(auto_expand);\
init_lua_key(before_display);\
init_lua_key(best_ins_ptr);\
init_lua_key(best_page_break);\
init_lua_key(best_size);\
init_lua_key(bot);\
init_lua_key(bot_accent);\
init_lua_key(bottom_left);\
init_lua_key(bottom_right);\
init_lua_key(box);\
init_lua_key(box_left);\
init_lua_key(box_left_width);\
init_lua_key(box_right);\
init_lua_key(box_right_width);\
init_lua_key(broken_ins);\
init_lua_key(broken_ptr);\
init_lua_key(cache);\
init_lua_key(cal_expand_ratio);\
init_lua_key(catalog);\
init_lua_key(char);\
init_lua_key(characters);\
init_lua_key(checksum);\
init_lua_key(cidinfo);\
init_lua_key(class);\
init_lua_key(command);\
init_lua_key(commands);\
init_lua_key(comment);\
init_lua_key(components);\
init_lua_key(compresslevel);\
init_lua_key(contrib_head);\
init_lua_key(core);\
init_lua_key(cost);\
init_lua_key(count);\
init_lua_key(crampeddisplay);\
init_lua_key(crampedscript);\
init_lua_key(crampedscriptscript);\
init_lua_key(crampedtext);\
init_lua_key(data);\
init_lua_key(degree);\
init_lua_key(delim);\
init_lua_key(delimptr);\
init_lua_key(denom);\
init_lua_key(depth);\
init_lua_key(designsize);\
init_lua_key(dest_id);\
init_lua_key(dest_type);\
init_lua_key(dir);\
init_lua_key(dir_h);\
init_lua_key(direct);\
init_lua_key(direction);\
init_lua_key(dirs);\
init_lua_key(disc);\
init_lua_key(display);\
init_lua_key(down);\
init_lua_key(dvi_ptr);\
init_lua_key(embedding);\
init_lua_key(encodingbytes);\
init_lua_key(encodingname);\
init_lua_key(end);\
init_lua_key(etex);\
init_lua_key(exactly);\
init_lua_key(expansion_factor);\
init_lua_key(ext);\
init_lua_key(extend);\
init_lua_key(extender);\
init_lua_key(extensible);\
init_lua_key(extra_space);\
init_lua_key(fam);\
init_lua_key(fast);\
init_lua_key(file);\
init_lua_key(filename);\
init_lua_key(fin_row);\
init_lua_key(font);\
init_lua_key(fonts);\
init_lua_key(format);\
init_lua_key(fullname);\
init_lua_key(global);\
init_lua_key(glue_order);\
init_lua_key(glue_set);\
init_lua_key(glue_sign);\
init_lua_key(glyph);\
init_lua_key(h);\
init_lua_key(hbox);\
init_lua_key(head);\
init_lua_key(height);\
init_lua_key(hmode_par);\
init_lua_key(hold_head);\
init_lua_key(horiz_variants);\
init_lua_key(hyphenchar);\
init_lua_key(id);\
init_lua_key(image);\
init_lua_key(immediate);\
init_lua_key(index);\
init_lua_key(info);\
init_lua_key(insert);\
init_lua_key(italic);\
init_lua_key(kern);\
init_lua_key(kerns);\
init_lua_key(lang);\
init_lua_key(large_char);\
init_lua_key(large_fam);\
init_lua_key(last_ins_ptr);\
init_lua_key(leader);\
init_lua_key(least_page_cost);\
init_lua_key(left);\
init_lua_key(left_boundary);\
init_lua_key(left_protruding);\
init_lua_key(level);\
init_lua_key(ligatures);\
init_lua_key(link_attr);\
init_lua_key(list);\
init_lua_key(local_box);\
init_lua_key(log);\
init_lua_key(lua);\
init_lua_key(luatex);\
init_lua_key(mark);\
init_lua_key(math);\
init_lua_key(math_choice);\
init_lua_key(math_left);\
init_lua_key(math_shift);\
init_lua_key(mathdir);\
init_lua_key(mathkern);\
init_lua_key(mathstyle);\
init_lua_key(mid);\
init_lua_key(mode);\
init_lua_key(modeline);\
init_lua_key(name);\
init_lua_key(named_id);\
init_lua_key(names);\
init_lua_key(new_graf);\
init_lua_key(new_window);\
init_lua_key(next);\
init_lua_key(no);\
init_lua_key(no_align);\
init_lua_key(noad);\
init_lua_key(node);\
init_lua_key(nomath);\
init_lua_key(nop);\
init_lua_key(nucleus);\
init_lua_key(num);\
init_lua_key(number);\
init_lua_key(objcompression);\
init_lua_key(objnum);\
init_lua_key(omega);\
init_lua_key(ordering);\
init_lua_key(output);\
init_lua_key(page);\
init_lua_key(page_head);\
init_lua_key(page_ins_head);\
init_lua_key(pageattributes);\
init_lua_key(pageresources);\
init_lua_key(pagesattributes);\
init_lua_key(parameters);\
init_lua_key(pdftex);\
init_lua_key(pen_broken);\
init_lua_key(pen_inter);\
init_lua_key(penalty);\
init_lua_key(pop);\
init_lua_key(post);\
init_lua_key(pre);\
init_lua_key(pre_adjust);\
init_lua_key(pre_adjust_head);\
init_lua_key(pre_align);\
init_lua_key(pre_box);\
init_lua_key(preamble);\
init_lua_key(prev);\
init_lua_key(prevdepth);\
init_lua_key(prevgraf);\
init_lua_key(psname);\
init_lua_key(ptr);\
init_lua_key(push);\
init_lua_key(quad);\
init_lua_key(raw);\
init_lua_key(ref_count);\
init_lua_key(reg);\
init_lua_key(registry);\
init_lua_key(renew);\
init_lua_key(rep);\
init_lua_key(replace);\
init_lua_key(right);\
init_lua_key(right_boundary);\
init_lua_key(right_protruding);\
init_lua_key(rule);\
init_lua_key(scale);\
init_lua_key(script);\
init_lua_key(scriptscript);\
init_lua_key(semi_simple);\
init_lua_key(shift);\
init_lua_key(shrink);\
init_lua_key(shrink_order);\
init_lua_key(simple);\
init_lua_key(size);\
init_lua_key(skewchar);\
init_lua_key(slant);\
init_lua_key(slot);\
init_lua_key(small_char);\
init_lua_key(small_fam);\
init_lua_key(space);\
init_lua_key(space_shrink);\
init_lua_key(space_stretch);\
init_lua_key(spacefactor);\
init_lua_key(spec);\
init_lua_key(special);\
init_lua_key(split_keep);\
init_lua_key(split_off);\
init_lua_key(stack);\
init_lua_key(start);\
init_lua_key(step);\
init_lua_key(stream);\
init_lua_key(streamfile);\
init_lua_key(stretch);\
init_lua_key(stretch_order);\
init_lua_key(string);\
init_lua_key(style);\
init_lua_key(sub);\
init_lua_key(subst_ex_font);\
init_lua_key(subtype);\
init_lua_key(sup);\
init_lua_key(supplement);\
init_lua_key(surround);\
init_lua_key(tail);\
init_lua_key(temp_head);\
init_lua_key(term);\
init_lua_key(tex);\
init_lua_key(text);\
init_lua_key(thread_attr);\
init_lua_key(thread_id);\
init_lua_key(top);\
init_lua_key(top_accent);\
init_lua_key(top_left);\
init_lua_key(top_right);\
init_lua_key(tounicode);\
init_lua_key(trailer);\
init_lua_key(transform);\
init_lua_key(type);\
init_lua_key(uchyph);\
init_lua_key(umath);\
init_lua_key(units_per_em);\
init_lua_key(used);\
init_lua_key(user_id);\
init_lua_key(v);\
init_lua_key(value);\
init_lua_key(vbox);\
init_lua_key(vcenter);\
init_lua_key(version);\
init_lua_key(vert_variants);\
init_lua_key(vmode_par);\
init_lua_key(vtop);\
init_lua_key(width);\
init_lua_key(writable);\
init_lua_key(x_height);\
init_lua_key(xoffset);\
init_lua_key(xyz_zoom);\
init_lua_key(yoffset);\
init_lua_key_alias(empty_string,"");\
init_lua_key_alias(lua_functions,"lua.functions");\
init_lua_key_alias(luatex_node, "luatex.node");\
init_lua_key_alias(mLTL,"-LTL");\
init_lua_key_alias(mRTT,"-RTT");\
init_lua_key_alias(mTLT,"-TLT");\
init_lua_key_alias(mTRT,"-TRT");\
init_lua_key_alias(node_properties,"node.properties");\
init_lua_key_alias(node_properties_indirect,"node.properties.indirect");\
init_lua_key_alias(pLTL,"+LTL");\
init_lua_key_alias(pRTT,"+RTT");\
init_lua_key_alias(pTLT,"+TLT");\
init_lua_key_alias(pTRT,"+TRT");\
init_lua_key_alias(pdf_data,"pdf.data");\
init_lua_key_alias(term_and_log,"term and log")


#define assign_math_style(L,n,target) do { \
    if (lua_isnumber(L,n)) { \
        /* new, often same as subtype anyway  */ \
        target = lua_tonumber(L,n); \
    } else if (lua_isstring(L,n)) { \
        const char *s = lua_tostring(L, n); \
        if (lua_key_eq(s,display)) { \
            target = 0; \
        } else if (lua_key_eq(s,crampeddisplay)) { \
            target = 1; \
        } else if (lua_key_eq(s,text)) { \
            target = 2; \
        } else if (lua_key_eq(s,crampedtext)) { \
            target = 3; \
        } else if (lua_key_eq(s,script)) { \
            target = 4; \
        } else if (lua_key_eq(s,crampedscript)) { \
            target = 5; \
        } else if (lua_key_eq(s,scriptscript)) { \
            target = 6; \
        } else if (lua_key_eq(s,crampedscriptscript)) { \
            target = 7; \
        } else { \
            target = 2; \
        } \
    } else { \
        target = 2; /* text by default */ \
    } \
} while(0)


#endif                          /* LUATEX_API_H */




/*                                                 */
/* These keys have to available to different files */
/*                                                 */


use_lua_key(LTL);
use_lua_key(MathConstants);
use_lua_key(RTT);
use_lua_key(TLT);
use_lua_key(TRT);
use_lua_key(accent);
use_lua_key(action);
use_lua_key(action_id);
use_lua_key(action_type);
use_lua_key(additional);
use_lua_key(adjust);
use_lua_key(adjust_head);
use_lua_key(adjusted_hbox);
use_lua_key(advance);
use_lua_key(after_display);
use_lua_key(after_output);
use_lua_key(aleph);
use_lua_key(align);
use_lua_key(align_head);
use_lua_key(align_set);
use_lua_key(alignment);
use_lua_key(annot);
use_lua_key(area);
use_lua_key(attr);
use_lua_key(attributes);
use_lua_key(auto_expand);
use_lua_key(before_display);
use_lua_key(best_ins_ptr);
use_lua_key(best_page_break);
use_lua_key(best_size);
use_lua_key(bot);
use_lua_key(bot_accent);
use_lua_key(bottom_left);
use_lua_key(bottom_right);
use_lua_key(box);
use_lua_key(box_left);
use_lua_key(box_left_width);
use_lua_key(box_right);
use_lua_key(box_right_width);
use_lua_key(broken_ins);
use_lua_key(broken_ptr);
use_lua_key(cache);
use_lua_key(cal_expand_ratio);
use_lua_key(catalog);
use_lua_key(char);
use_lua_key(characters);
use_lua_key(checksum);
use_lua_key(cidinfo);
use_lua_key(class);
use_lua_key(command);
use_lua_key(commands);
use_lua_key(comment);
use_lua_key(components);
use_lua_key(compresslevel);
use_lua_key(contrib_head);
use_lua_key(core);
use_lua_key(cost);
use_lua_key(count);
use_lua_key(crampeddisplay);
use_lua_key(crampedscript);
use_lua_key(crampedscriptscript);
use_lua_key(crampedtext);
use_lua_key(data);
use_lua_key(degree);
use_lua_key(delim);
use_lua_key(delimptr);
use_lua_key(denom);
use_lua_key(depth);
use_lua_key(designsize);
use_lua_key(dest_id);
use_lua_key(dest_type);
use_lua_key(dir);
use_lua_key(dir_h);
use_lua_key(direct);
use_lua_key(direction);
use_lua_key(dirs);
use_lua_key(disc);
use_lua_key(display);
use_lua_key(down);
use_lua_key(dvi_ptr);
use_lua_key(embedding);
use_lua_key(empty_string);
use_lua_key(encodingbytes);
use_lua_key(encodingname);
use_lua_key(end);
use_lua_key(etex);
use_lua_key(exactly);
use_lua_key(expansion_factor);
use_lua_key(ext);
use_lua_key(extend);
use_lua_key(extender);
use_lua_key(extensible);
use_lua_key(extra_space);
use_lua_key(fam);
use_lua_key(fast);
use_lua_key(file);
use_lua_key(filename);
use_lua_key(fin_row);
use_lua_key(font);
use_lua_key(fonts);
use_lua_key(format);
use_lua_key(fullname);
use_lua_key(global);
use_lua_key(glue_order);
use_lua_key(glue_set);
use_lua_key(glue_sign);
use_lua_key(glyph);
use_lua_key(h);
use_lua_key(hbox);
use_lua_key(head);
use_lua_key(height);
use_lua_key(hmode_par);
use_lua_key(hold_head);
use_lua_key(horiz_variants);
use_lua_key(hyphenchar);
use_lua_key(id);
use_lua_key(image);
use_lua_key(immediate);
use_lua_key(index);
use_lua_key(info);
use_lua_key(insert);
use_lua_key(italic);
use_lua_key(kern);
use_lua_key(kerns);
use_lua_key(lang);
use_lua_key(large_char);
use_lua_key(large_fam);
use_lua_key(last_ins_ptr);
use_lua_key(leader);
use_lua_key(least_page_cost);
use_lua_key(left);
use_lua_key(left_boundary);
use_lua_key(left_protruding);
use_lua_key(level);
use_lua_key(ligatures);
use_lua_key(link_attr);
use_lua_key(list);
use_lua_key(local_box);
use_lua_key(log);
use_lua_key(lua);
use_lua_key(lua_functions);
use_lua_key(luatex);
use_lua_key(luatex_node);
use_lua_key(mLTL);
use_lua_key(mRTT);
use_lua_key(mTLT);
use_lua_key(mTRT);
use_lua_key(mark);
use_lua_key(math);
use_lua_key(math_choice);
use_lua_key(math_left);
use_lua_key(math_shift);
use_lua_key(mathdir);
use_lua_key(mathkern);
use_lua_key(mathstyle);
use_lua_key(mid);
use_lua_key(mode);
use_lua_key(modeline);
use_lua_key(name);
use_lua_key(named_id);
use_lua_key(names);
use_lua_key(new_graf);
use_lua_key(new_window);
use_lua_key(next);
use_lua_key(no);
use_lua_key(no_align);
use_lua_key(noad);
use_lua_key(node);
use_lua_key(node_properties);
use_lua_key(node_properties_indirect);
use_lua_key(nomath);
use_lua_key(nop);
use_lua_key(nucleus);
use_lua_key(num);
use_lua_key(number);
use_lua_key(objcompression);
use_lua_key(objnum);
use_lua_key(omega);
use_lua_key(ordering);
use_lua_key(output);
use_lua_key(pLTL);
use_lua_key(pRTT);
use_lua_key(pTLT);
use_lua_key(pTRT);
use_lua_key(page);
use_lua_key(page_head);
use_lua_key(page_ins_head);
use_lua_key(pageattributes);
use_lua_key(pageresources);
use_lua_key(pagesattributes);
use_lua_key(parameters);
use_lua_key(pdf_data);
use_lua_key(pdftex);
use_lua_key(pen_broken);
use_lua_key(pen_inter);
use_lua_key(penalty);
use_lua_key(pop);
use_lua_key(post);
use_lua_key(pre);
use_lua_key(pre_adjust);
use_lua_key(pre_adjust_head);
use_lua_key(pre_align);
use_lua_key(pre_box);
use_lua_key(preamble);
use_lua_key(prev);
use_lua_key(prevdepth);
use_lua_key(prevgraf);
use_lua_key(psname);
use_lua_key(ptr);
use_lua_key(push);
use_lua_key(quad);
use_lua_key(raw);
use_lua_key(ref_count);
use_lua_key(reg);
use_lua_key(registry);
use_lua_key(renew);
use_lua_key(rep);
use_lua_key(replace);
use_lua_key(right);
use_lua_key(right_boundary);
use_lua_key(right_protruding);
use_lua_key(rule);
use_lua_key(scale);
use_lua_key(script);
use_lua_key(scriptscript);
use_lua_key(semi_simple);
use_lua_key(shift);
use_lua_key(shrink);
use_lua_key(shrink_order);
use_lua_key(simple);
use_lua_key(size);
use_lua_key(skewchar);
use_lua_key(slant);
use_lua_key(slot);
use_lua_key(small_char);
use_lua_key(small_fam);
use_lua_key(space);
use_lua_key(space_shrink);
use_lua_key(space_stretch);
use_lua_key(spacefactor);
use_lua_key(spec);
use_lua_key(special);
use_lua_key(split_keep);
use_lua_key(split_off);
use_lua_key(stack);
use_lua_key(start);
use_lua_key(step);
use_lua_key(stream);
use_lua_key(streamfile);
use_lua_key(stretch);
use_lua_key(stretch_order);
use_lua_key(string);
use_lua_key(style);
use_lua_key(sub);
use_lua_key(subst_ex_font);
use_lua_key(subtype);
use_lua_key(sup);
use_lua_key(supplement);
use_lua_key(surround);
use_lua_key(tail);
use_lua_key(temp_head);
use_lua_key(term);
use_lua_key(term_and_log);
use_lua_key(tex);
use_lua_key(text);
use_lua_key(thread_attr);
use_lua_key(thread_id);
use_lua_key(top);
use_lua_key(top_accent);
use_lua_key(top_left);
use_lua_key(top_right);
use_lua_key(tounicode);
use_lua_key(trailer);
use_lua_key(transform);
use_lua_key(type);
use_lua_key(uchyph);
use_lua_key(umath);
use_lua_key(units_per_em);
use_lua_key(used);
use_lua_key(user_id);
use_lua_key(v);
use_lua_key(value);
use_lua_key(vbox);
use_lua_key(vcenter);
use_lua_key(version);
use_lua_key(vert_variants);
use_lua_key(vmode_par);
use_lua_key(vtop);
use_lua_key(width);
use_lua_key(writable);
use_lua_key(x_height);
use_lua_key(xoffset);
use_lua_key(xyz_zoom);
use_lua_key(yoffset);
