diff options
Diffstat (limited to 'source/luametatex/source/lua/lmtcallbacklib.h')
| -rw-r--r-- | source/luametatex/source/lua/lmtcallbacklib.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/source/luametatex/source/lua/lmtcallbacklib.h b/source/luametatex/source/lua/lmtcallbacklib.h new file mode 100644 index 000000000..6faa4ddac --- /dev/null +++ b/source/luametatex/source/lua/lmtcallbacklib.h @@ -0,0 +1,105 @@ +/* + See license.txt in the root of this project. +*/ + +# ifndef LMT_LCALLBACKLIB_H +# define LMT_LCALLBACKLIB_H + +# include "lapi.h" + +typedef enum callback_callback_types { + find_log_file_callback = 1, + find_format_file_callback, + open_data_file_callback, + process_jobname_callback, + start_run_callback, + stop_run_callback, + define_font_callback, + pre_output_filter_callback, + buildpage_filter_callback, + hpack_filter_callback, + vpack_filter_callback, + hyphenate_callback, + ligaturing_callback, + kerning_callback, + glyph_run_callback, + pre_linebreak_filter_callback, + linebreak_filter_callback, + post_linebreak_filter_callback, + append_to_vlist_filter_callback, + alignment_filter_callback, + local_box_filter_callback, + packed_vbox_filter_callback, + mlist_to_hlist_callback, + pre_dump_callback, + start_file_callback, + stop_file_callback, + intercept_tex_error_callback, + intercept_lua_error_callback, + show_error_message_callback, + show_warning_message_callback, + hpack_quality_callback, + vpack_quality_callback, + insert_par_callback, + append_line_filter_callback, + build_page_insert_callback, + /* fire_up_output_callback, */ + wrapup_run_callback, + begin_paragraph_callback, + paragraph_context_callback, + /* get_math_char_callback, */ + math_rule_callback, + make_extensible_callback, + register_extensible_callback, + show_whatsit_callback, + get_attribute_callback, + get_noad_class_callback, + get_math_dictionary_callback, + show_lua_call_callback, + trace_memory_callback, + handle_overload_callback, + missing_character_callback, + process_character_callback, + total_callbacks, +} callback_callback_types; + +typedef struct callback_state_info { + int metatable_id; + int padding; + int values[total_callbacks]; +} callback_state_info; + +extern callback_state_info lmt_callback_state; + +typedef enum callback_keys { + callback_boolean_key = 'b', /*tex a boolean (int) */ + callback_charnum_key = 'c', /*tex a byte (char) */ + callback_integer_key = 'd', /*tex an integer */ + callback_line_key = 'l', /*tex a buffer section, with implied start */ + callback_strnumber_key = 's', /*tex a \TEX\ string (index) */ + callback_lstring_key = 'L', /*tex a \LUA\ string (struct) */ + callback_node_key = 'N', /*tex a \TEX\ node (halfword) */ + callback_string_key = 'S', /*tex a \CCODE\ string */ + callback_result_key = 'R', /*tex a string (return value) but nil is also okay */ +} callback_keys; + +inline static int lmt_callback_defined (int a) { return lmt_callback_state.values[a]; } +inline static int lmt_callback_call (lua_State *L, int i, int o, int top) { return lua_pcallk(L, i, o, top + 2, 0, NULL); } + +extern int lmt_callback_okay (lua_State *L, int i, int *top); +extern void lmt_callback_error (lua_State *L, int top, int i); +inline void lmt_callback_wrapup (lua_State *L, int top) { lua_settop(L, top); } + +extern int lmt_run_callback (lua_State *L, int i, const char *values, ...); +extern int lmt_run_and_save_callback (lua_State *L, int i, const char *values, ...); +extern int lmt_run_saved_callback_line (lua_State *L, int i, int firstpos); +extern int lmt_run_saved_callback_close (lua_State *L, int i); + +extern void lmt_destroy_saved_callback (lua_State *L, int i); + +extern void lmt_run_memory_callback (const char *what, int success); + +extern void lmt_push_callback_usage (lua_State *L); + +# endif + |