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degesch: add introspection for "app_context"

This commit is contained in:
Přemysl Eric Janouch 2016-10-27 20:02:25 +02:00
parent cb5ad675a6
commit 911276b263
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 47 additions and 6 deletions
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53
degesch.c
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@ -2110,6 +2110,18 @@ struct app_context
}
*g_ctx;
static struct ispect_field g_ctx_ispect_fields[] =
{
ISPECT_( app_context, global_buffer, REF, buffer )
ISPECT_( app_context, current_buffer, REF, buffer )
{}
};
static struct ispect g_ctx_ispect =
{
.fields = g_ctx_ispect_fields,
};
static int *
filter_color_cube_for_acceptable_nick_colors (size_t *len)
{
@ -8570,7 +8582,9 @@ lua_weak_push (struct lua_plugin *plugin, void *object,
wrapper->plugin = plugin;
wrapper->info = info;
wrapper->object = object;
wrapper->weak_ref = info->ref (object, lua_weak_invalidate, wrapper);
wrapper->weak_ref = NULL;
if (info->ref)
wrapper->weak_ref = info->ref (object, lua_weak_invalidate, wrapper);
lua_cache_store (L, object, -1);
}
@ -8581,7 +8595,8 @@ lua_weak_gc (lua_State *L, const struct lua_weak_info *info)
if (wrapper->object)
{
lua_cache_invalidate (L, wrapper->object);
info->unref (wrapper->object, &wrapper->weak_ref);
if (info->unref)
info->unref (wrapper->object, &wrapper->weak_ref);
wrapper->object = NULL;
}
return 0;
@ -8616,6 +8631,14 @@ LUA_WEAK_DECLARE (channel, XLUA_CHANNEL_METATABLE)
LUA_WEAK_DECLARE (buffer, XLUA_BUFFER_METATABLE)
LUA_WEAK_DECLARE (server, XLUA_SERVER_METATABLE)
// The global context is kind of fake and don't have any ref-counting,
// however it's still very much an object
static struct lua_weak_info lua_ctx_info =
{
.name = PROGRAM_NAME,
.ispect = &g_ctx_ispect,
};
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static int
@ -9730,8 +9753,18 @@ lua_plugin_connect (lua_State *L)
return 1;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static int
lua_ctx_gc (lua_State *L)
{
return lua_weak_gc (L, &lua_ctx_info);
}
static luaL_Reg lua_plugin_library[] =
{
// These are global functions:
{ "parse", lua_plugin_parse },
{ "hook_input", lua_plugin_hook_input },
{ "hook_irc", lua_plugin_hook_irc },
@ -9739,6 +9772,10 @@ static luaL_Reg lua_plugin_library[] =
{ "hook_timer", lua_plugin_hook_timer },
{ "setup_config", lua_plugin_setup_config },
{ "connect", lua_plugin_connect },
// And these are methods:
{ "__gc", lua_ctx_gc },
// TODO: get_prompt_ignore_markers()
{ NULL, NULL },
};
@ -9908,7 +9945,6 @@ lua_plugin_reg_finish (lua_State *L, struct lua_weak_info *info)
lua_setfield (L, -2, "__index");
lua_pushcfunction (L, lua_plugin_property_set);
lua_setfield (L, -2, "__newindex");
lua_pop (L, 1);
}
@ -9948,12 +9984,17 @@ lua_plugin_load (struct app_context *ctx, const char *filename,
plugin->ctx = ctx;
plugin->L = L;
// Register the degesch library with "plugin" as an upvalue
luaL_checkversion (L);
luaL_newlibtable (L, lua_plugin_library);
// Register the degesch library as a singleton with "plugin" as an upvalue
// (mostly historical, but rather convenient)
luaL_newmetatable (L, lua_ctx_info.name);
lua_pushlightuserdata (L, plugin);
luaL_setfuncs (L, lua_plugin_library, 1);
lua_setglobal (L, PROGRAM_NAME);
lua_plugin_reg_finish (L, &lua_ctx_info);
lua_weak_push (plugin, ctx, &lua_ctx_info);
lua_setglobal (L, lua_ctx_info.name);
// Create metatables for our objects
lua_plugin_reg_meta (L, XLUA_HOOK_METATABLE, lua_hook_table);