diff options
| author | 2016-04-23 11:25:03 +0200 | |
|---|---|---|
| committer | 2016-04-23 11:26:47 +0200 | |
| commit | 1c726824f2b2cc7c6c03ff975e548b72f9b2c0a9 (patch) | |
| tree | 020f20da5a8cd822065c1839bc7a53f826803a3d /src/emu/luaengine.cpp | |
| parent | 01657a63c13c79c5f045ba4ecb4c2fd7f7c5a1f8 (diff) | |
Split UI and frontend part from core [Miodrag Milanovic]
Diffstat (limited to 'src/emu/luaengine.cpp')
| -rw-r--r-- | src/emu/luaengine.cpp | 2625 |
1 files changed, 0 insertions, 2625 deletions
diff --git a/src/emu/luaengine.cpp b/src/emu/luaengine.cpp deleted file mode 100644 index f452684f997..00000000000 --- a/src/emu/luaengine.cpp +++ /dev/null @@ -1,2625 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic,Luca Bruno -/*************************************************************************** - - luaengine.c - - Controls execution of the core MAME system. - -***************************************************************************/ - -#include <limits> -#include <thread> -#include <lua.hpp> -#include "luabridge/Source/LuaBridge/LuaBridge.h" -#include <signal.h> -#include "emu.h" -#include "cheat.h" -#include "drivenum.h" -#include "emuopts.h" -#include "ui/ui.h" -#include "luaengine.h" -#include <mutex> - -#ifdef __clang__ -#pragma clang diagnostic ignored "-Wshift-count-overflow" -#endif -//************************************************************************** -// LUA ENGINE -//************************************************************************** - -#if !defined(LUA_PROMPT) -#define LUA_PROMPT "> " -#define LUA_PROMPT2 ">> " -#endif - -#if !defined(LUA_MAXINPUT) -#define LUA_MAXINPUT 512 -#endif - -#define lua_readline(b,p) \ - (fputs(p, stdout), fflush(stdout), /* show prompt */ \ - fgets(b, LUA_MAXINPUT, stdin) != NULL) /* get line */ - -static lua_State *globalL = nullptr; - -#define luai_writestring(s,l) fwrite((s), sizeof(char), (l), stdout) -#define luai_writeline() (luai_writestring("\n", 1), fflush(stdout)) - -const char *const lua_engine::tname_ioport = "lua.ioport"; -lua_engine* lua_engine::luaThis = nullptr; - -extern "C" { - int luaopen_lsqlite3(lua_State *L); - int luaopen_zlib(lua_State *L); - int luaopen_lfs(lua_State *L); -} - -static void lstop(lua_State *L, lua_Debug *ar) -{ - (void)ar; /* unused arg. */ - lua_sethook(L, nullptr, 0, 0); - luaL_error(L, "interrupted!"); -} - - -static void laction(int i) -{ - signal(i, SIG_DFL); /* if another SIGINT happens before lstop, - terminate process (default action) */ - lua_sethook(globalL, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1); -} - -int lua_engine::report(int status) { - if (status != LUA_OK && !lua_isnil(m_lua_state, -1)) - { - const char *msg = lua_tostring(m_lua_state, -1); - if (msg == nullptr) msg = "(error object is not a string)"; - lua_writestringerror("%s\n", msg); - lua_pop(m_lua_state, 1); - /* force a complete garbage collection in case of errors */ - lua_gc(m_lua_state, LUA_GCCOLLECT, 0); - } - return status; -} - - -static int traceback (lua_State *L) -{ - const char *msg = lua_tostring(L, 1); - if (msg) - luaL_traceback(L, L, msg, 1); - else if (!lua_isnoneornil(L, 1)) - { /* is there an error object? */ - if (!luaL_callmeta(L, 1, "__tostring")) /* try its 'tostring' metamethod */ - lua_pushliteral(L, "(no error message)"); - } - return 1; -} - - -int lua_engine::docall(int narg, int nres) -{ - int status; - int base = lua_gettop(m_lua_state) - narg; /* function index */ - lua_pushcfunction(m_lua_state, traceback); /* push traceback function */ - lua_insert(m_lua_state, base); /* put it under chunk and args */ - globalL = m_lua_state; /* to be available to 'laction' */ - signal(SIGINT, laction); - status = lua_pcall(m_lua_state, narg, nres, base); - signal(SIGINT, SIG_DFL); - lua_remove(m_lua_state, base); /* remove traceback function */ - return status; -} - -namespace luabridge -{ -template <> -struct Stack <osd_file::error> -{ - static void push(lua_State *L, osd_file::error error) - { - std::string strerror; - switch(error) - { - case osd_file::error::NONE: - lua_pushboolean(L, false); - return; - case osd_file::error::FAILURE: - strerror = "failure"; - break; - case osd_file::error::OUT_OF_MEMORY: - strerror = "out_of_memory"; - break; - case osd_file::error::NOT_FOUND: - strerror = "not_found"; - break; - case osd_file::error::ACCESS_DENIED: - strerror = "access_denied"; - break; - case osd_file::error::ALREADY_OPEN: - strerror = "already_open"; - break; - case osd_file::error::TOO_MANY_FILES: - strerror = "too_many_files"; - break; - case osd_file::error::INVALID_DATA: - strerror = "invalid_data"; - break; - case osd_file::error::INVALID_ACCESS: - strerror = "invalid_access"; - break; - default: - strerror = "unknown_error"; - break; - } - lua_pushstring(L, strerror.c_str()); - } -}; -template <> -struct Stack <map_handler_type> -{ - static void push(lua_State *L, map_handler_type error) - { - std::string type; - switch(error) - { - case AMH_NONE: - type = "none"; - break; - case AMH_RAM: - type = "ram"; - break; - case AMH_ROM: - type = "rom"; - break; - case AMH_NOP: - type = "nop"; - break; - case AMH_UNMAP: - type = "unmap"; - break; - case AMH_DEVICE_DELEGATE: - type = "delegate"; - break; - case AMH_PORT: - type = "port"; - break; - case AMH_BANK: - type = "bank"; - break; - case AMH_DEVICE_SUBMAP: - type = "submap"; - break; - default: - type = "unknown"; - break; - } - lua_pushstring(L, type.c_str()); - } -}; -} -/* mark in error messages for incomplete statements */ -#define EOFMARK "<eof>" -#define marklen (sizeof(EOFMARK)/sizeof(char) - 1) - -int lua_engine::incomplete(int status) -{ - if (status == LUA_ERRSYNTAX) - { - size_t lmsg; - const char *msg = lua_tolstring(m_lua_state, -1, &lmsg); - if (lmsg >= marklen && strcmp(msg + lmsg - marklen, EOFMARK) == 0) - { - lua_pop(m_lua_state, 1); - return 1; - } - } - return 0; /* else... */ -} - -lua_engine::hook::hook() -{ - L = nullptr; - cb = -1; -} - -void lua_engine::hook::set(lua_State *lua, int idx) -{ - if (L) - luaL_unref(L, LUA_REGISTRYINDEX, cb); - - if (lua_isnil(lua, idx)) { - L = nullptr; - cb = -1; - - } else { - L = lua; - lua_pushvalue(lua, idx); - cb = luaL_ref(lua, LUA_REGISTRYINDEX); - } -} - -lua_State *lua_engine::hook::precall() -{ - lua_State *T = lua_newthread(L); - lua_rawgeti(T, LUA_REGISTRYINDEX, cb); - return T; -} - -void lua_engine::hook::call(lua_engine *engine, lua_State *T, int nparam) -{ - engine->resume(T, nparam, L); -} - -void lua_engine::resume(lua_State *L, int nparam, lua_State *root) -{ - int s = lua_resume(L, nullptr, nparam); - switch(s) { - case LUA_OK: - if(!root) { - std::map<lua_State *, std::pair<lua_State *, int> >::iterator i = thread_registry.find(L); - if(i != thread_registry.end()) { - luaL_unref(i->second.first, LUA_REGISTRYINDEX, i->second.second); - thread_registry.erase(i); - } - } else - lua_pop(root, 1); - break; - - case LUA_YIELD: - if(root) { - int id = luaL_ref(root, LUA_REGISTRYINDEX); - thread_registry[L] = std::pair<lua_State *, int>(root, id); - } - break; - - default: - osd_printf_error("[LUA ERROR] %s\n", lua_tostring(L, -1)); - lua_pop(L, 1); - break; - } -} - -void lua_engine::resume(void *lua, INT32 param) -{ - resume(static_cast<lua_State *>(lua)); -} - -int lua_engine::l_ioport_write(lua_State *L) -{ - ioport_field *field = static_cast<ioport_field *>(getparam(L, 1, tname_ioport)); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "value expected"); - field->set_value(lua_tointeger(L, 2)); - return 0; -} - -//------------------------------------------------- -// emu_app_name - return application name -//------------------------------------------------- - -int lua_engine::l_emu_app_name(lua_State *L) -{ - lua_pushstring(L, emulator_info::get_appname_lower()); - return 1; -} - -//------------------------------------------------- -// emu_app_version - return application version -//------------------------------------------------- - -int lua_engine::l_emu_app_version(lua_State *L) -{ - lua_pushstring(L, bare_build_version); - return 1; -} - - -//------------------------------------------------- -// emu_gamename - returns game full name -//------------------------------------------------- - -int lua_engine::l_emu_gamename(lua_State *L) -{ - lua_pushstring(L, luaThis->machine().system().description); - return 1; -} - -//------------------------------------------------- -// emu_romname - returns rom base name -//------------------------------------------------- - -int lua_engine::l_emu_romname(lua_State *L) -{ - lua_pushstring(L, luaThis->machine().basename()); - return 1; -} - -//------------------------------------------------- -// emu_softname - returns softlist name -//------------------------------------------------- - -int lua_engine::l_emu_softname(lua_State *L) -{ - lua_pushstring(L, luaThis->machine().options().software_name()); - return 1; -} - -//------------------------------------------------- -// emu_pause/emu_unpause - pause/unpause game -//------------------------------------------------- - -int lua_engine::l_emu_pause(lua_State *L) -{ - luaThis->machine().pause(); - return 0; -} - -int lua_engine::l_emu_unpause(lua_State *L) -{ - luaThis->machine().resume(); - return 0; -} - -//------------------------------------------------- -// emu_keypost - post keys to natural keyboard -//------------------------------------------------- - -int lua_engine::l_emu_keypost(lua_State *L) -{ - const char *keys = luaL_checkstring(L,1); - luaThis->machine().ioport().natkeyboard().post_utf8(keys); - return 1; -} - -int lua_engine::l_emu_time(lua_State *L) -{ - lua_pushnumber(L, luaThis->machine().time().as_double()); - return 1; -} - -void lua_engine::emu_after_done(void *_h, INT32 param) -{ - hook *h = static_cast<hook *>(_h); - h->call(this, h->precall(), 0); - delete h; -} - -int lua_engine::emu_after(lua_State *L) -{ - luaL_argcheck(L, lua_isnumber(L, 1), 1, "waiting duration expected"); - struct hook *h = new hook; - h->set(L, 2); - machine().scheduler().timer_set(attotime::from_double(lua_tonumber(L, 1)), timer_expired_delegate(FUNC(lua_engine::emu_after_done), this), 0, h); - return 0; -} - -int lua_engine::l_emu_after(lua_State *L) -{ - return luaThis->emu_after(L); -} - -int lua_engine::emu_wait(lua_State *L) -{ - luaL_argcheck(L, lua_isnumber(L, 1), 1, "waiting duration expected"); - machine().scheduler().timer_set(attotime::from_double(lua_tonumber(L, 1)), timer_expired_delegate(FUNC(lua_engine::resume), this), 0, L); - return lua_yieldk(L, 0, 0, nullptr); -} - -int lua_engine::l_emu_wait(lua_State *L) -{ - return luaThis->emu_wait(L); -} - -void lua_engine::output_notifier(const char *outname, INT32 value) -{ - if (hook_output_cb.active()) { - lua_State *L = hook_output_cb.precall(); - lua_pushstring(L, outname); - lua_pushnumber(L, value); - hook_output_cb.call(this, L, 2); - } -} - -void lua_engine::s_output_notifier(const char *outname, INT32 value, void *param) -{ - static_cast<lua_engine *>(param)->output_notifier(outname, value); -} - -void lua_engine::emu_hook_output(lua_State *L) -{ - luaL_argcheck(L, lua_isfunction(L, 1), 1, "callback function expected"); - hook_output_cb.set(L, 1); - - if (!output_notifier_set) { - machine().output().set_notifier(nullptr, s_output_notifier, this); - output_notifier_set = true; - } -} - -int lua_engine::l_emu_hook_output(lua_State *L) -{ - luaThis->emu_hook_output(L); - return 0; -} - -int lua_engine::l_emu_set_hook(lua_State *L) -{ - luaThis->emu_set_hook(L); - return 0; -} - -void lua_engine::emu_set_hook(lua_State *L) -{ - luaL_argcheck(L, lua_isfunction(L, 1) || lua_isnil(L, 1), 1, "callback function expected"); - luaL_argcheck(L, lua_isstring(L, 2), 2, "message (string) expected"); - const char *hookname = luaL_checkstring(L,2); - - if (strcmp(hookname, "output") == 0) { - hook_output_cb.set(L, 1); - if (!output_notifier_set) { - machine().output().set_notifier(nullptr, s_output_notifier, this); - output_notifier_set = true; - } - } else if (strcmp(hookname, "frame") == 0) { - hook_frame_cb.set(L, 1); - } else { - lua_writestringerror("%s", "Unknown hook name, aborting.\n"); - } -} - -//------------------------------------------------- -// options_entry - return table of option entries -// -> manager:options().entries -// -> manager:machine():options().entries -// -> manager:machine():ui():options().entries -//------------------------------------------------- - -template <typename T> -luabridge::LuaRef lua_engine::l_options_get_entries(const T *o) -{ - T *options = const_cast<T *>(o); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef entries_table = luabridge::LuaRef::newTable(L); - - int unadorned_index = 0; - for (typename T::entry &curentry : *options) - { - const char *name = curentry.name(); - bool is_unadorned = false; - // check if it's unadorned - if (name && strlen(name) && !strcmp(name, options->unadorned(unadorned_index))) - { - unadorned_index++; - is_unadorned = true; - } - if (!curentry.is_header() && !curentry.is_command() && !curentry.is_internal() && !is_unadorned) - entries_table[name] = &curentry; - } - - return entries_table; -} - -//------------------------------------------------- -// machine_get_screens - return table of available screens userdata -// -> manager:machine().screens[":screen"] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_machine_get_screens(const running_machine *r) -{ - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef screens_table = luabridge::LuaRef::newTable(L); - - for (device_t *dev = r->first_screen(); dev != nullptr; dev = dev->next()) { - screen_device *sc = dynamic_cast<screen_device *>(dev); - if (sc && sc->configured() && sc->started() && sc->type()) { - screens_table[sc->tag()] = sc; - } - } - - return screens_table; -} - -//------------------------------------------------- -// machine_get_devices - return table of available devices userdata -// -> manager:machine().devices[":maincpu"] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_machine_get_devices(const running_machine *r) -{ - running_machine *m = const_cast<running_machine *>(r); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef devs_table = luabridge::LuaRef::newTable(L); - - device_t *root = &(m->root_device()); - devs_table = devtree_dfs(root, devs_table); - - return devs_table; -} - -//------------------------------------------------- -// machine_get_images - return table of available image devices userdata -// -> manager:machine().images["flop1"] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_machine_get_images(const running_machine *r) -{ - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef image_table = luabridge::LuaRef::newTable(L); - - for (device_image_interface &image : image_interface_iterator(r->root_device())) - { - image_table[image.brief_instance_name()] = ℑ - image_table[image.instance_name()] = ℑ - } - - return image_table; -} - -//------------------------------------------------- -// memory_banks - return memory_banks -// -> manager:machine():memory().banks["maincpu"] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_memory_get_banks(const memory_manager *m) -{ - memory_manager *mm = const_cast<memory_manager *>(m); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef table = luabridge::LuaRef::newTable(L); - - for (memory_bank &bank : mm->banks()) { - table[bank.tag()] = &bank; - } - - return table; -} - -//------------------------------------------------- -// memory_regions - return memory_regions -// -> manager:machine():memory().region[":maincpu"] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_memory_get_regions(const memory_manager *m) -{ - memory_manager *mm = const_cast<memory_manager *>(m); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef table = luabridge::LuaRef::newTable(L); - - for (memory_region ®ion: mm->regions()) { - table[region.name()] = ®ion; - } - - return table; -} - -//------------------------------------------------- -// machine_cheat_entries - return cheat entries -// -> manager:machine():cheat().entries[0] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_cheat_get_entries(const cheat_manager *c) -{ - cheat_manager *cm = const_cast<cheat_manager *>(c); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef entry_table = luabridge::LuaRef::newTable(L); - - int cheatnum = 0; - for (cheat_entry &entry : cm->entries()) { - entry_table[cheatnum++] = &entry; - } - - return entry_table; -} - -//------------------------------------------------- -// cheat_entry_state - return cheat entry state -// -> manager:machine():cheat().entries[0]:state() -//------------------------------------------------- - -int lua_engine::lua_cheat_entry::l_get_state(lua_State *L) -{ - cheat_entry *ce = luabridge::Stack<cheat_entry *>::get(L, 1); - - switch (ce->state()) - { - case SCRIPT_STATE_ON: lua_pushliteral(L, "on"); break; - case SCRIPT_STATE_RUN: lua_pushliteral(L, "run"); break; - case SCRIPT_STATE_CHANGE: lua_pushliteral(L, "change"); break; - case SCRIPT_STATE_COUNT: lua_pushliteral(L, "count"); break; - default: lua_pushliteral(L, "off"); break; - } - - return 1; -} - -//------------------------------------------------- -// machine_ioports - return table of ioports -// -> manager:machine():ioport().ports[':P1'] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_ioport_get_ports(const ioport_manager *m) -{ - ioport_manager *im = const_cast<ioport_manager *>(m); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef port_table = luabridge::LuaRef::newTable(L); - - for (ioport_port &port : im->ports()) { - port_table[port.tag()] = &port; - } - - return port_table; -} - -//------------------------------------------------- -// ioport_fields - return table of ioport fields -// -> manager:machine().ioport().ports[':P1'].fields[':'] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_ioports_port_get_fields(const ioport_port *i) -{ - ioport_port *p = const_cast<ioport_port *>(i); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef f_table = luabridge::LuaRef::newTable(L); - - for (ioport_field &field : p->fields()) { - f_table[field.name()] = &field; - } - - return f_table; -} - -//------------------------------------------------- -// render_get_targets - return table of render targets -// -> manager:machine():render().targets[0] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_render_get_targets(const render_manager *r) -{ - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef target_table = luabridge::LuaRef::newTable(L); - - int tc = 0; - for (render_target &curr_rt : r->targets()) - { - target_table[tc++] = &curr_rt; - } - - return target_table; -} - -// private helper for get_devices - DFS visit all devices in a running machine -luabridge::LuaRef lua_engine::devtree_dfs(device_t *root, luabridge::LuaRef devs_table) -{ - if (root) { - for (device_t &dev : root->subdevices()) { - if (dev.configured() && dev.started()) { - devs_table[dev.tag()] = &dev; - devtree_dfs(&dev, devs_table); - } - } - } - return devs_table; -} - -//------------------------------------------------- -// device_get_memspaces - return table of available address spaces userdata -// -> manager:machine().devices[":maincpu"].spaces["program"] -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_dev_get_memspaces(const device_t *d) -{ - device_t *dev = const_cast<device_t *>(d); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef sp_table = luabridge::LuaRef::newTable(L); - - if(!dynamic_cast<device_memory_interface *>(dev)) - return sp_table; - - for (address_spacenum sp = AS_0; sp < ADDRESS_SPACES; ++sp) { - if (dev->memory().has_space(sp)) { - sp_table[dev->memory().space(sp).name()] = &(dev->memory().space(sp)); - } - } - - return sp_table; -} - -//------------------------------------------------- -// device_get_state - return table of available state userdata -// -> manager:machine().devices[":maincpu"].state -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_dev_get_states(const device_t *d) -{ - device_t *dev = const_cast<device_t *>(d); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef st_table = luabridge::LuaRef::newTable(L); - - if(!dynamic_cast<device_state_interface *>(dev)) - return st_table; - - for (device_state_entry &s : dev->state().state_entries()) - { - // XXX: refrain from exporting non-visible entries? - st_table[s.symbol()] = &s; - } - - return st_table; -} - -//------------------------------------------------- -// device_get_item - return table of indexed items owned by this device -// -> manager:machine().devices[":maincpu"].items -//------------------------------------------------- - -luabridge::LuaRef lua_engine::l_dev_get_items(const device_t *d) -{ - device_t *dev = const_cast<device_t *>(d); - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef table = luabridge::LuaRef::newTable(L); - std::string tag = dev->tag(); - - // 10000 is enough? - for(int i = 0; i < 10000; i++) - { - std::string name; - const char *item; - unsigned int size, count; - void *base; - item = dev->machine().save().indexed_item(i, base, size, count); - if(!item) - break; - name = &(strchr(item, '/')[1]); - if(name.substr(0, name.find("/")) == tag) - { - name = name.substr(name.find("/") + 1, std::string::npos); - table[name] = i; - } - } - return table; -} - -lua_engine::lua_item::lua_item(int index) -{ - std::string name; - const char *item; - item = luaThis->machine().save().indexed_item(index, l_item_base, l_item_size, l_item_count); - if(!item) - { - l_item_base = nullptr; - l_item_size = 0; - l_item_count= 0; - } -} - -int lua_engine::lua_item::l_item_read(lua_State *L) -{ - luaL_argcheck(L, lua_isnumber(L, 2), 2, "offset (integer) expected"); - int offset = lua_tounsigned(L, 2); - int ret = 0; - if(!l_item_base || (offset > l_item_count)) - { - lua_pushnil(L); - return 1; - } - switch(l_item_size) - { - case 1: - default: - ret = ((UINT8 *)l_item_base)[offset]; - break; - case 2: - ret = ((UINT16 *)l_item_base)[offset]; - break; - case 4: - ret = ((UINT32 *)l_item_base)[offset]; - break; - case 8: - ret = ((UINT64 *)l_item_base)[offset]; - break; - } - lua_pushunsigned(L, ret); - return 1; -} - -int lua_engine::lua_item::l_item_write(lua_State *L) -{ - luaL_argcheck(L, lua_isnumber(L, 2), 2, "offset (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "value (integer) expected"); - int offset = lua_tounsigned(L, 2); - UINT64 value = lua_tounsigned(L, 3); - if(!l_item_base || (offset > l_item_count)) - return 1; - switch(l_item_size) - { - case 1: - default: - ((UINT8 *)l_item_base)[offset] = (UINT8)value; - break; - case 2: - ((UINT16 *)l_item_base)[offset] = (UINT16)value; - break; - case 4: - ((UINT32 *)l_item_base)[offset] = (UINT32)value; - break; - case 8: - ((UINT64 *)l_item_base)[offset] = (UINT64)value; - break; - } - return 1; -} - -int lua_engine::lua_item::l_item_read_block(lua_State *L) -{ - luaL_argcheck(L, lua_isnumber(L, 2), 2, "offset (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "length (integer) expected"); - int offset = lua_tounsigned(L, 2); - int len = lua_tonumber(L, 3); - if(!l_item_base || ((offset + len) > (l_item_size * l_item_count))) - { - lua_pushnil(L); - return 1; - } - luaL_Buffer buff; - char *ptr = luaL_buffinitsize(L, &buff, len); - memcpy(ptr, l_item_base, len); - luaL_pushresultsize(&buff, len); - return 1; -} - -//------------------------------------------------- -// state_get_value - return value of a device state entry -// -> manager:machine().devices[":maincpu"].state["PC"].value -//------------------------------------------------- - -UINT64 lua_engine::l_state_get_value(const device_state_entry *d) -{ - device_state_interface *state = d->parent_state(); - if(state) { - luaThis->machine().save().dispatch_presave(); - return state->state_int(d->index()); - } else { - return 0; - } -} - -//------------------------------------------------- -// state_set_value - set value of a device state entry -// -> manager:machine().devices[":maincpu"].state["D0"].value = 0x0c00 -//------------------------------------------------- - -void lua_engine::l_state_set_value(device_state_entry *d, UINT64 val) -{ - device_state_interface *state = d->parent_state(); - if(state) { - state->set_state_int(d->index(), val); - luaThis->machine().save().dispatch_presave(); - } -} - -//------------------------------------------------- -// mem_read - templated memory readers for <sign>,<size> -// -> manager:machine().devices[":maincpu"].spaces["program"]:read_i8(0xC000) -//------------------------------------------------- - -template <typename T> -int lua_engine::lua_addr_space::l_mem_read(lua_State *L) -{ - address_space &sp = luabridge::Stack<address_space &>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "address (integer) expected"); - offs_t address = lua_tounsigned(L, 2); - T mem_content = 0; - switch(sizeof(mem_content) * 8) { - case 8: - mem_content = sp.read_byte(address); - break; - case 16: - if (WORD_ALIGNED(address)) { - mem_content = sp.read_word(address); - } else { - mem_content = sp.read_word_unaligned(address); - } - break; - case 32: - if (DWORD_ALIGNED(address)) { - mem_content = sp.read_dword(address); - } else { - mem_content = sp.read_dword_unaligned(address); - } - break; - case 64: - if (QWORD_ALIGNED(address)) { - mem_content = sp.read_qword(address); - } else { - mem_content = sp.read_qword_unaligned(address); - } - break; - default: - break; - } - - if (std::numeric_limits<T>::is_signed) { - lua_pushinteger(L, mem_content); - } else { - lua_pushunsigned(L, mem_content); - } - - return 1; - -} - -//------------------------------------------------- -// mem_write - templated memory writer for <sign>,<size> -// -> manager:machine().devices[":maincpu"].spaces["program"]:write_u16(0xC000, 0xF00D) -//------------------------------------------------- - -template <typename T> -int lua_engine::lua_addr_space::l_mem_write(lua_State *L) -{ - address_space &sp = luabridge::Stack<address_space &>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "address (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "value (integer) expected"); - offs_t address = lua_tounsigned(L, 2); - T val = lua_tounsigned(L, 3); - - switch(sizeof(val) * 8) { - case 8: - sp.write_byte(address, val); - break; - case 16: - if (WORD_ALIGNED(address)) { - sp.write_word(address, val); - } else { - sp.write_word_unaligned(address, val); - } - break; - case 32: - if (DWORD_ALIGNED(address)) { - sp.write_dword(address, val); - } else { - sp.write_dword_unaligned(address, val); - } - break; - case 64: - if (QWORD_ALIGNED(address)) { - sp.write_qword(address, val); - } else { - sp.write_qword_unaligned(address, val); - } - break; - default: - break; - } - - return 0; -} - -//------------------------------------------------- -// mem_direct_read - templated direct memory readers for <sign>,<size> -// -> manager:machine().devices[":maincpu"].spaces["program"]:read_direct_i8(0xC000) -//------------------------------------------------- - -template <typename T> -int lua_engine::lua_addr_space::l_direct_mem_read(lua_State *L) -{ - address_space &sp = luabridge::Stack<address_space &>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "address (integer) expected"); - offs_t address = lua_tounsigned(L, 2); - T mem_content = 0; - offs_t lowmask = sp.data_width() / 8 - 1; - for(int i = 0; i < sizeof(T); i++) - { - int addr = sp.endianness() == ENDIANNESS_LITTLE ? address + sizeof(T) - 1 - i : address + i; - UINT8 *base = (UINT8 *)sp.get_read_ptr(sp.address_to_byte(addr & ~lowmask)); - if(!base) - continue; - mem_content <<= 8; - if(sp.endianness() == ENDIANNESS_BIG) - mem_content |= base[BYTE8_XOR_BE(addr) & lowmask]; - else - mem_content |= base[BYTE8_XOR_LE(addr) & lowmask]; - } - - if (std::numeric_limits<T>::is_signed) { - lua_pushinteger(L, mem_content); - } else { - lua_pushunsigned(L, mem_content); - } - - return 1; -} - -//------------------------------------------------- -// mem_direct_write - templated memory writer for <sign>,<size> -// -> manager:machine().devices[":maincpu"].spaces["program"]:write_direct_u16(0xC000, 0xF00D) -//------------------------------------------------- - -template <typename T> -int lua_engine::lua_addr_space::l_direct_mem_write(lua_State *L) -{ - address_space &sp = luabridge::Stack<address_space &>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "address (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "value (integer) expected"); - offs_t address = lua_tounsigned(L, 2); - T val = lua_tounsigned(L, 3); - offs_t lowmask = sp.data_width() / 8 - 1; - for(int i = 0; i < sizeof(T); i++) - { - int addr = sp.endianness() == ENDIANNESS_BIG ? address + sizeof(T) - 1 - i : address + i; - UINT8 *base = (UINT8 *)sp.get_read_ptr(sp.address_to_byte(addr & ~lowmask)); - if(!base) - continue; - if(sp.endianness() == ENDIANNESS_BIG) - base[BYTE8_XOR_BE(addr) & lowmask] = val & 0xff; - else - base[BYTE8_XOR_LE(addr) & lowmask] = val & 0xff; - val >>= 8; - } - - return 0; -} - -//------------------------------------------------- -// region_read - templated region readers for <sign>,<size> -// -> manager:machine():memory().region[":maincpu"]:read_i8(0xC000) -//------------------------------------------------- - -template <typename T> -int lua_engine::lua_memory_region::l_region_read(lua_State *L) -{ - memory_region ®ion = luabridge::Stack<memory_region &>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "address (integer) expected"); - offs_t address = lua_tounsigned(L, 2); - T mem_content = 0; - offs_t lowmask = region.bytewidth() - 1; - for(int i = 0; i < sizeof(T); i++) - { - int addr = region.endianness() == ENDIANNESS_LITTLE ? address + sizeof(T) - 1 - i : address + i; - if(addr >= region.bytes()) - continue; - mem_content <<= 8; - if(region.endianness() == ENDIANNESS_BIG) - mem_content |= region.u8((BYTE8_XOR_BE(addr) & lowmask) | (addr & ~lowmask)); - else - mem_content |= region.u8((BYTE8_XOR_LE(addr) & lowmask) | (addr & ~lowmask)); - } - - if (std::numeric_limits<T>::is_signed) { - lua_pushinteger(L, mem_content); - } else { - lua_pushunsigned(L, mem_content); - } - - return 1; -} - -//------------------------------------------------- -// region_write - templated region writer for <sign>,<size> -// -> manager:machine():memory().region[":maincpu"]:write_u16(0xC000, 0xF00D) -//------------------------------------------------- - -template <typename T> -int lua_engine::lua_memory_region::l_region_write(lua_State *L) -{ - memory_region ®ion = luabridge::Stack<memory_region &>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "address (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "value (integer) expected"); - offs_t address = lua_tounsigned(L, 2); - T val = lua_tounsigned(L, 3); - offs_t lowmask = region.bytewidth() - 1; - for(int i = 0; i < sizeof(T); i++) - { - int addr = region.endianness() == ENDIANNESS_BIG ? address + sizeof(T) - 1 - i : address + i; - if(addr >= region.bytes()) - continue; - if(region.endianness() == ENDIANNESS_BIG) - region.base()[(BYTE8_XOR_BE(addr) & lowmask) | (addr & ~lowmask)] = val & 0xff; - else - region.base()[(BYTE8_XOR_BE(addr) & lowmask) | (addr & ~lowmask)] = val & 0xff; - val >>= 8; - } - - return 0; -} - -luabridge::LuaRef lua_engine::l_addr_space_map(const address_space *space) -{ - lua_State *L = luaThis->m_lua_state; - luabridge::LuaRef map = luabridge::LuaRef::newTable(L); - - int i = 1; - for (address_map_entry &entry : space->map()->m_entrylist) - { - luabridge::LuaRef mapentry = luabridge::LuaRef::newTable(L); - mapentry["offset"] = space->address_to_byte(entry.m_addrstart) & space->bytemask(); - mapentry["endoff"] = space->address_to_byte(entry.m_addrend) & space->bytemask(); - mapentry["readtype"] = entry.m_read.m_type; - mapentry["writetype"] = entry.m_write.m_type; - map[i++] = mapentry; - } - return map; -} - -int lua_engine::lua_options_entry::l_entry_value(lua_State *L) -{ - core_options::entry *e = luabridge::Stack<core_options::entry *>::get(L, 1); - if(!e) { - return 0; - } - - luaL_argcheck(L, !lua_isfunction(L, 2), 2, "optional argument: unsupported value"); - - if (!lua_isnone(L, 2)) - { - std::string error; - // FIXME: not working with ui_options::entry - // TODO: optional arg for priority - luaThis->machine().options().set_value(e->name(), - lua_isboolean(L, 2) ? (lua_toboolean(L, 2) ? "1" : "0") : lua_tostring(L, 2), - OPTION_PRIORITY_CMDLINE, error); - - if (!error.empty()) - { - luaL_error(L, "%s", error.c_str()); - } - } - - switch (e->type()) - { - case OPTION_BOOLEAN: - lua_pushboolean(L, (atoi(e->value()) != 0)); - break; - case OPTION_INTEGER: - lua_pushnumber(L, atoi(e->value())); - break; - case OPTION_FLOAT: - lua_pushnumber(L, atof(e->value())); - break; - default: - lua_pushstring(L, e->value()); - break; - } - - return 1; -} - -//------------------------------------------------- -// begin_recording - start avi -// -> manager:machine():video():begin_recording() -//------------------------------------------------- - -int lua_engine::lua_video::l_begin_recording(lua_State *L) -{ - video_manager *vm = luabridge::Stack<video_manager *>::get(L, 1); - if (!vm) { - return 0; - } - - luaL_argcheck(L, lua_isstring(L, 2) || lua_isnone(L, 2), 2, "optional argument: filename, string expected"); - - const char *filename = lua_tostring(L, 2); - if (!lua_isnone(L, 2)) { - std::string vidname(filename); - strreplace(vidname, "/", PATH_SEPARATOR); - strreplace(vidname, "%g", luaThis->machine().basename()); - filename = vidname.c_str(); - } else { - filename = nullptr; - } - vm->begin_recording(filename, video_manager::MF_AVI); - - return 1; -} - -//------------------------------------------------- -// end_recording - start saving avi -// -> manager:machine():video():end_recording() -//------------------------------------------------- - -int lua_engine::lua_video::l_end_recording(lua_State *L) -{ - video_manager *vm = luabridge::Stack<video_manager *>::get(L, 1); - if (!vm) { - return 0; - } - - if (!vm->is_recording()) { - lua_writestringerror("%s", "No active recording to stop"); - return 0; - } - - vm->end_recording(video_manager::MF_AVI); - return 1; -} - -//------------------------------------------------- -// screen_height - return screen visible height -// -> manager:machine().screens[":screen"]:height() -//------------------------------------------------- - -int lua_engine::lua_screen::l_height(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - lua_pushunsigned(L, sc->visible_area().height()); - return 1; -} - -//------------------------------------------------- -// screen_width - return screen visible width -// -> manager:machine().screens[":screen"]:width() -//------------------------------------------------- - -int lua_engine::lua_screen::l_width(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - lua_pushunsigned(L, sc->visible_area().width()); - return 1; -} - - -//------------------------------------------------- -// screen_orientation - return screen orientation -// -> manager:machine().screens[":screen"]:orientation() -// -> rotation_angle (0, 90, 180, 270) -// -> flipx (true, false) -// -> flipy (true, false) -//------------------------------------------------- - -int lua_engine::lua_screen::l_orientation(lua_State *L) -{ - UINT32 flags = (luaThis->machine().system().flags & ORIENTATION_MASK); - - int rotation_angle = 0; - switch (flags) - { - case ORIENTATION_FLIP_X: - rotation_angle = 0; - break; - case ORIENTATION_SWAP_XY: - case ORIENTATION_SWAP_XY|ORIENTATION_FLIP_X: - rotation_angle = 90; - break; - case ORIENTATION_FLIP_Y: - case ORIENTATION_FLIP_X|ORIENTATION_FLIP_Y: - rotation_angle = 180; - break; - case ORIENTATION_SWAP_XY|ORIENTATION_FLIP_Y: - case ORIENTATION_SWAP_XY|ORIENTATION_FLIP_X|ORIENTATION_FLIP_Y: - rotation_angle = 270; - break; - } - - lua_createtable(L, 2, 2); - lua_pushliteral(L, "rotation_angle"); - lua_pushinteger(L, rotation_angle); - - lua_settable(L, -3); - lua_pushliteral(L, "flipx"); - lua_pushboolean(L, (flags & ORIENTATION_FLIP_X)); - - lua_settable(L, -3); - lua_pushliteral(L, "flipy"); - lua_pushboolean(L, (flags & ORIENTATION_FLIP_Y)); - lua_settable(L, -3); - return 1; -} - -//------------------------------------------------- -// screen_refresh - return screen refresh rate -// -> manager:machine().screens[":screen"]:refresh() -//------------------------------------------------- - -int lua_engine::lua_screen::l_refresh(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - lua_pushnumber(L, ATTOSECONDS_TO_HZ(sc->refresh_attoseconds())); - return 1; -} - -//------------------------------------------------- -// screen_snapshot - save png bitmap of screen to snapshots folder -// -> manager:machine().screens[":screen"]:snapshot("filename.png") -//------------------------------------------------- - -int lua_engine::lua_screen::l_snapshot(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc || !sc->machine().render().is_live(*sc)) - { - return 0; - } - - luaL_argcheck(L, lua_isstring(L, 2) || lua_isnone(L, 2), 2, "optional argument: filename, string expected"); - - emu_file file(sc->machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS); - osd_file::error filerr; - - if (!lua_isnone(L, 2)) { - const char *filename = lua_tostring(L, 2); - std::string snapstr(filename); - strreplace(snapstr, "/", PATH_SEPARATOR); - strreplace(snapstr, "%g", sc->machine().basename()); - filerr = file.open(snapstr.c_str()); - } - else - { - filerr = sc->machine().video().open_next(file, "png"); - } - - if (filerr != osd_file::error::NONE) - { - luaL_error(L, "osd_file::error=%d", filerr); - return 0; - } - - sc->machine().video().save_snapshot(sc, file); - lua_writestringerror("saved %s", file.fullpath()); - file.close(); - return 1; -} - -//------------------------------------------------- -// screen_type - return human readable screen type -// -> manager:machine().screens[":screen"]:type() -//------------------------------------------------- - -int lua_engine::lua_screen::l_type(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - switch (sc->screen_type()) - { - case SCREEN_TYPE_RASTER: lua_pushliteral(L, "raster"); break; - case SCREEN_TYPE_VECTOR: lua_pushliteral(L, "vector"); break; - case SCREEN_TYPE_LCD: lua_pushliteral(L, "lcd"); break; - case SCREEN_TYPE_SVG: lua_pushliteral(L, "svg"); break; - default: lua_pushliteral(L, "unknown"); break; - } - - return 1; -} - -//------------------------------------------------- -// draw_box - draw a box on a screen container -// -> manager:machine().screens[":screen"]:draw_box(x1, y1, x2, y2, bgcolor, linecolor) -//------------------------------------------------- - -int lua_engine::lua_screen::l_draw_box(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - // ensure that we got 6 numerical parameters - luaL_argcheck(L, lua_isnumber(L, 2), 2, "x1 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "y1 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 4), 4, "x2 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 5), 5, "y2 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 6), 6, "background color (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 7), 7, "outline color (integer) expected"); - - // retrieve all parameters - int sc_width = sc->visible_area().width(); - int sc_height = sc->visible_area().height(); - float x1, y1, x2, y2; - x1 = MIN(MAX(0, (float) lua_tonumber(L, 2)), sc_width-1) / static_cast<float>(sc_width); - y1 = MIN(MAX(0, (float) lua_tonumber(L, 3)), sc_height-1) / static_cast<float>(sc_height); - x2 = MIN(MAX(0, (float) lua_tonumber(L, 4)), sc_width-1) / static_cast<float>(sc_width); - y2 = MIN(MAX(0, (float) lua_tonumber(L, 5)), sc_height-1) / static_cast<float>(sc_height); - UINT32 bgcolor = lua_tounsigned(L, 6); - UINT32 fgcolor = lua_tounsigned(L, 7); - - // draw the box - render_container &rc = sc->container(); - ui_manager &ui = sc->machine().ui(); - ui.draw_outlined_box(&rc, x1, y1, x2, y2, fgcolor, bgcolor); - - return 0; -} - -//------------------------------------------------- -// draw_line - draw a line on a screen container -// -> manager:machine().screens[":screen"]:draw_line(x1, y1, x2, y2, linecolor) -//------------------------------------------------- - -int lua_engine::lua_screen::l_draw_line(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - // ensure that we got 5 numerical parameters - luaL_argcheck(L, lua_isnumber(L, 2), 2, "x1 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "y1 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 4), 4, "x2 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 5), 5, "y2 (integer) expected"); - luaL_argcheck(L, lua_isnumber(L, 6), 6, "color (integer) expected"); - - // retrieve all parameters - int sc_width = sc->visible_area().width(); - int sc_height = sc->visible_area().height(); - float x1, y1, x2, y2; - x1 = MIN(MAX(0, (float) lua_tonumber(L, 2)), sc_width-1) / static_cast<float>(sc_width); - y1 = MIN(MAX(0, (float) lua_tonumber(L, 3)), sc_height-1) / static_cast<float>(sc_height); - x2 = MIN(MAX(0, (float) lua_tonumber(L, 4)), sc_width-1) / static_cast<float>(sc_width); - y2 = MIN(MAX(0, (float) lua_tonumber(L, 5)), sc_height-1) / static_cast<float>(sc_height); - UINT32 color = lua_tounsigned(L, 6); - - // draw the line - sc->container().add_line(x1, y1, x2, y2, UI_LINE_WIDTH, rgb_t(color), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); - return 0; -} - -//------------------------------------------------- -// draw_text - draw text on a screen container -// if x is a position, then y is a pixel position, otherwise x and y are screen size relative -// -> manager:machine().screens[":screen"]:draw_text(x, y, message) -//------------------------------------------------- - -int lua_engine::lua_screen::l_draw_text(lua_State *L) -{ - screen_device *sc = luabridge::Stack<screen_device *>::get(L, 1); - if(!sc) { - return 0; - } - - // ensure that we got proper parameters - luaL_argcheck(L, lua_isnumber(L, 2) || lua_isstring(L, 2), 2, "x (integer or string) expected"); - luaL_argcheck(L, lua_isnumber(L, 3), 3, "y (integer) expected"); - luaL_argcheck(L, lua_isstring(L, 4), 4, "message (string) expected"); - luaL_argcheck(L, lua_isinteger(L, 5) || lua_isnone(L, 5), 5, "optional argument: text color, integer expected (default: 0xffffffff)"); - - // retrieve all parameters - int sc_width = sc->visible_area().width(); - int sc_height = sc->visible_area().height(); - int justify = JUSTIFY_LEFT; - float y, x = 0; - if(lua_isnumber(L, 2)) - { - x = MIN(MAX(0, (float) lua_tonumber(L, 2)), sc_width-1) / static_cast<float>(sc_width); - y = MIN(MAX(0, (float) lua_tonumber(L, 3)), sc_height-1) / static_cast<float>(sc_height); - } - else - { - std::string just_str = lua_tostring(L, 2); - if(just_str == "right") - justify = JUSTIFY_RIGHT; - else if(just_str == "center") - justify = JUSTIFY_CENTER; - y = lua_tonumber(L, 3); - } - const char *msg = luaL_checkstring(L,4); - rgb_t textcolor = UI_TEXT_COLOR; - if (!lua_isnone(L, 5)) { - textcolor = rgb_t(lua_tounsigned(L, 5)); - } - - // draw the text - render_container &rc = sc->container(); - ui_manager &ui = sc->machine().ui(); - ui.draw_text_full(&rc, msg, x, y, (1.0f - x), - justify, WRAP_WORD, DRAW_NORMAL, textcolor, - UI_TEXT_BG_COLOR, nullptr, nullptr); - - return 0; -} - -int lua_engine::lua_emu_file::l_emu_file_read(lua_State *L) -{ - lua_emu_file *file = luabridge::Stack<lua_emu_file *>::get(L, 1); - luaL_argcheck(L, lua_isnumber(L, 2), 2, "length (integer) expected"); - int ret, len = lua_tonumber(L, 2); - luaL_Buffer buff; - char *ptr = luaL_buffinitsize(L, &buff, len); - ret = file->file.read(ptr, len); - luaL_pushresultsize(&buff, ret); - return 1; -} - -void *lua_engine::checkparam(lua_State *L, int idx, const char *tname) -{ - const char *name; - - if(!lua_getmetatable(L, idx)) - return nullptr; - - lua_rawget(L, LUA_REGISTRYINDEX); - name = lua_tostring(L, -1); - if(!name || strcmp(name, tname)) { - lua_pop(L, 1); - return nullptr; - } - lua_pop(L, 1); - - return *static_cast<void **>(lua_touserdata(L, idx)); -} - -void *lua_engine::getparam(lua_State *L, int idx, const char *tname) -{ - void *p = checkparam(L, idx, tname); - char msg[256]; - sprintf(msg, "%s expected", tname); - luaL_argcheck(L, p, idx, msg); - return p; -} - -void lua_engine::push(lua_State *L, void *p, const char *tname) -{ - void **pp = static_cast<void **>(lua_newuserdata(L, sizeof(void *))); - *pp = p; - luaL_getmetatable(L, tname); - lua_setmetatable(L, -2); -} - -int lua_engine::l_emu_exit(lua_State *L) -{ - luaThis->machine().schedule_exit(); - return 1; -} - -int lua_engine::l_emu_start(lua_State *L) -{ - const char *system_name = luaL_checkstring(L,1); - - int index = driver_list::find(system_name); - if (index != -1) { - machine_manager::instance()->schedule_new_driver(driver_list::driver(index)); - luaThis->machine().schedule_hard_reset(); - } - return 1; -} - -int lua_engine::luaopen_ioport(lua_State *L) -{ - static const struct luaL_Reg ioport_funcs [] = { - { "write", l_ioport_write }, - { nullptr, nullptr } /* sentinel */ - }; - - luaL_newmetatable(L, tname_ioport); - lua_pushvalue(L, -1); - lua_pushstring(L, tname_ioport); - lua_rawset(L, LUA_REGISTRYINDEX); - lua_pushstring(L, "__index"); - lua_pushvalue(L, -2); - lua_settable(L, -3); - luaL_setfuncs(L, ioport_funcs, 0); - return 1; -} - -struct msg { - std::string text; - int ready; - std::string response; - int status; - int done; -} msg; - -static std::mutex g_mutex; - -void lua_engine::serve_lua() -{ - osd_sleep(osd_ticks_per_second() / 1000 * 50); - printf("%s v%s\n%s\n%s\n\n", emulator_info::get_appname(),build_version,emulator_info::get_copyright_info(),LUA_COPYRIGHT); - fflush(stdout); - char buff[LUA_MAXINPUT]; - std::string oldbuff; - - const char *b = LUA_PROMPT; - - do { - // Wait for input - fputs(b, stdout); fflush(stdout); /* show prompt */ - fgets(buff, LUA_MAXINPUT, stdin); - - // Create message - { - std::lock_guard<std::mutex> lock(g_mutex); - if (msg.ready == 0) { - msg.text = oldbuff; - if (oldbuff.length() != 0) msg.text.append("\n"); - msg.text.append(buff); - msg.ready = 1; - msg.done = 0; - } - } - - // Wait for response - int done; - do { - osd_sleep(osd_ticks_per_second() / 1000); - std::lock_guard<std::mutex> lock(g_mutex); - done = msg.done; - } while (done==0); - - // Do action on client side - { - std::lock_guard<std::mutex> lock(g_mutex); - - if (msg.status == -1) { - b = LUA_PROMPT2; - oldbuff = msg.response; - } - else { - b = LUA_PROMPT; - oldbuff = ""; - } - msg.done = 0; - } - - } while (1); -} - -static void *serve_lua(void *param) -{ - lua_engine *engine = (lua_engine *)param; - engine->serve_lua(); - return NULL; -} - -//------------------------------------------------- -// lua_engine - constructor -//------------------------------------------------- - -lua_engine::lua_engine() -{ - m_machine = nullptr; - luaThis = this; - m_lua_state = luaL_newstate(); /* create state */ - output_notifier_set = false; - - luaL_checkversion(m_lua_state); - lua_gc(m_lua_state, LUA_GCSTOP, 0); /* stop collector during initialization */ - luaL_openlibs(m_lua_state); /* open libraries */ - - // Get package.preload so we can store builtins in it. - lua_getglobal(m_lua_state, "package"); - lua_getfield(m_lua_state, -1, "preload"); - lua_remove(m_lua_state, -2); // Remove package - - lua_pushcfunction(m_lua_state, luaopen_zlib); - lua_setfield(m_lua_state, -2, "zlib"); - - lua_pushcfunction(m_lua_state, luaopen_lsqlite3); - lua_setfield(m_lua_state, -2, "lsqlite3"); - - lua_pushcfunction(m_lua_state, luaopen_lfs); - lua_setfield(m_lua_state, -2, "lfs"); - - luaopen_ioport(m_lua_state); - - lua_gc(m_lua_state, LUA_GCRESTART, 0); - msg.ready = 0; - msg.status = 0; - msg.done = 0; -} - -//------------------------------------------------- -// ~lua_engine - destructor -//------------------------------------------------- - -lua_engine::~lua_engine() -{ - close(); -} - -int lua_engine::compile_with_env(const char *envname, const char *script, const char *env) -{ - std::string field = std::string("env_").append(envname); - int error; - lua_settop(m_lua_state, 0); - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - - if(!lua_istable(m_lua_state, -1)) - { - lua_newtable(m_lua_state); - lua_setfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - } - - // optionally load a string to prepare the environment - if(env) - { - error = luaL_loadstring(m_lua_state, env); - if(error == LUA_OK) - lua_pushvalue(m_lua_state, -2); - if((error != LUA_OK) || ((error = lua_pcall(m_lua_state, 1, 0, 0)) != LUA_OK)) - { - if((error == LUA_ERRSYNTAX) || (error == LUA_ERRRUN)) - printf("%s\n", lua_tostring(m_lua_state, -1)); - lua_pop(m_lua_state, 1); - } - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - } - - if((error = luaL_loadstring(m_lua_state, script)) != LUA_OK) - { - if(error == LUA_ERRSYNTAX) - printf("%s\n", lua_tostring(m_lua_state, -1)); - lua_tostring(m_lua_state, -1); - lua_pop(m_lua_state, 2); - return -1; - } - lua_pushvalue(m_lua_state, -2); - lua_setupvalue(m_lua_state, -2, 1); - int ref = luaL_ref(m_lua_state, -2); - lua_pop(m_lua_state, 1); - return ref; -} - -template <typename Tout, typename Tin> -Tout lua_engine::run(const char *env, int ref, Tin in) -{ - Tout ret; - lua_settop(m_lua_state, 0); - luabridge::Stack<Tin>::push(m_lua_state, in); - run_internal(env, ref); - if(lua_isnil(m_lua_state, 1)) - ret = Tout(0); - else - ret = luabridge::Stack<Tout>::get(m_lua_state, 1); - lua_pop(m_lua_state, 1); - return ret; -} - -template <typename Tout> -Tout lua_engine::run(const char *env, int ref) -{ - Tout ret; - lua_settop(m_lua_state, 0); - lua_pushnil(m_lua_state); - run_internal(env, ref); - if(lua_isnil(m_lua_state, 1)) - ret = Tout(0); - else - ret = luabridge::Stack<Tout>::get(m_lua_state, 1); - lua_pop(m_lua_state, 1); - return ret; -} - -template <typename Tin> -void lua_engine::run(const char *env, int ref, Tin in) -{ - lua_settop(m_lua_state, 0); - luabridge::Stack<Tin>::push(m_lua_state, in); - run_internal(env, ref); - lua_pop(m_lua_state, 1); -} - -void lua_engine::run(const char *env, int ref) -{ - lua_settop(m_lua_state, 0); - lua_pushnil(m_lua_state); - run_internal(env, ref); - lua_pop(m_lua_state, 1); -} -// create specialization so luabridge doesn't have to be included everywhere -template int lua_engine::run<int>(const char *env, int ref); - -void lua_engine::run_internal(const char *env, int ref) -{ - std::string field = std::string("env_").append(env); - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - if(lua_istable(m_lua_state, -1)) - { - lua_rawgeti(m_lua_state, -1, ref); - if(lua_isfunction(m_lua_state, -1)) - { - lua_pushvalue(m_lua_state, -3); - int error; - if((error = lua_pcall(m_lua_state, 1, 1, 0)) != LUA_OK) - { - if(error == LUA_ERRRUN) - printf("%s\n", lua_tostring(m_lua_state, -1)); - lua_pop(m_lua_state, 1); - lua_pushnil(m_lua_state); - } - } - } - lua_replace(m_lua_state, 1); - lua_pop(m_lua_state, 1); -} - -void lua_engine::menu_populate(std::string &menu, std::vector<menu_item> &menu_list) -{ - std::string field = "menu_pop_" + menu; - lua_settop(m_lua_state, 0); - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - - if(!lua_isfunction(m_lua_state, -1)) - { - lua_pop(m_lua_state, 1); - return; - } - int error; - if((error = lua_pcall(m_lua_state, 0, 1, 0)) != LUA_OK) - { - if(error == LUA_ERRRUN) - printf("%s\n", lua_tostring(m_lua_state, -1)); - lua_pop(m_lua_state, 1); - return; - } - if(!lua_istable(m_lua_state, -1)) - { - lua_pop(m_lua_state, 1); - return; - } - - lua_pushnil(m_lua_state); - while(lua_next(m_lua_state, -2)) - { - if(lua_istable(m_lua_state, -1)) - { - menu_item item; - lua_rawgeti(m_lua_state, -1, 1); - item.text = lua_tostring(m_lua_state, -1); - lua_pop(m_lua_state, 1); - lua_rawgeti(m_lua_state, -1, 2); - item.subtext = lua_tostring(m_lua_state, -1); - lua_pop(m_lua_state, 1); - lua_rawgeti(m_lua_state, -1, 3); - item.flags = lua_tostring(m_lua_state, -1); - lua_pop(m_lua_state, 1); - menu_list.push_back(item); - } - lua_pop(m_lua_state, 1); - } - lua_pop(m_lua_state, 1); -} - -bool lua_engine::menu_callback(std::string &menu, int index, std::string event) -{ - std::string field = "menu_cb_" + menu; - bool ret = false; - lua_settop(m_lua_state, 0); - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, field.c_str()); - - if(lua_isfunction(m_lua_state, -1)) - { - lua_pushinteger(m_lua_state, index); - lua_pushstring(m_lua_state, event.c_str()); - int error; - if((error = lua_pcall(m_lua_state, 2, 1, 0)) != LUA_OK) - { - if(error == 2) - printf("%s\n", lua_tostring(m_lua_state, -1)); - lua_pop(m_lua_state, 1); - return false; - } - ret = lua_toboolean(m_lua_state, -1); - lua_pop(m_lua_state, 1); - } - return ret; -} - -int lua_engine::l_emu_register_menu(lua_State *L) -{ - luaL_argcheck(L, lua_isfunction(L, 1), 1, "callback function expected"); - luaL_argcheck(L, lua_isfunction(L, 2), 2, "callback function expected"); - luaL_argcheck(L, lua_isstring(L, 3), 3, "name (string) expected"); - std::string name = luaL_checkstring(L, 3); - std::string cbfield = "menu_cb_" + name; - std::string popfield = "menu_pop_" + name; - luaThis->m_menu.push_back(std::string(name)); - lua_pushvalue(L, 1); - lua_setfield(L, LUA_REGISTRYINDEX, cbfield.c_str()); - lua_pushvalue(L, 2); - lua_setfield(L, LUA_REGISTRYINDEX, popfield.c_str()); - return 1; -} - -void lua_engine::execute_function(const char *id) -{ - lua_settop(m_lua_state, 0); - lua_getfield(m_lua_state, LUA_REGISTRYINDEX, id); - - if (lua_istable(m_lua_state, -1)) - { - lua_pushnil(m_lua_state); - while (lua_next(m_lua_state, -2) != 0) - { - if (lua_isfunction(m_lua_state, -1)) - { - int error; - if((error = lua_pcall(m_lua_state, 0, 0, 0)) != LUA_OK) - { - if(error == 2) - printf("%s\n", lua_tostring(m_lua_state, -1)); - lua_pop(m_lua_state, 1); - } - } - else - { - lua_pop(m_lua_state, 1); - } - } - } -} - -int lua_engine::register_function(lua_State *L, const char *id) -{ - if (!lua_isnil(L, 1)) - luaL_checktype(L, 1, LUA_TFUNCTION); - lua_settop(L, 1); - lua_getfield(L, LUA_REGISTRYINDEX, id); - if (lua_isnil(L, -1)) - { - lua_newtable(L); - } - luaL_checktype(L, -1, LUA_TTABLE); - int len = lua_rawlen(L, -1); - lua_pushnumber(L, len + 1); - lua_pushvalue(L, 1); - lua_rawset(L, -3); /* Stores the pair in the table */ - - lua_pushvalue(L, -1); - lua_setfield(L, LUA_REGISTRYINDEX, id); - return 1; -} - -int lua_engine::l_emu_register_prestart(lua_State *L) -{ - return register_function(L, "LUA_ON_PRESTART"); -} - -int lua_engine::l_emu_register_start(lua_State *L) -{ - return register_function(L, "LUA_ON_START"); -} - -int lua_engine::l_emu_register_stop(lua_State *L) -{ - return register_function(L, "LUA_ON_STOP"); -} - -int lua_engine::l_emu_register_pause(lua_State *L) -{ - return register_function(L, "LUA_ON_PAUSE"); -} - -int lua_engine::l_emu_register_resume(lua_State *L) -{ - return register_function(L, "LUA_ON_RESUME"); -} - -int lua_engine::l_emu_register_frame(lua_State *L) -{ - return register_function(L, "LUA_ON_FRAME"); -} - -int lua_engine::l_emu_register_frame_done(lua_State *L) -{ - return register_function(L, "LUA_ON_FRAME_DONE"); -} - -void lua_engine::on_machine_prestart() -{ - execute_function("LUA_ON_PRESTART"); -} - -void lua_engine::on_machine_start() -{ - execute_function("LUA_ON_START"); -} - -void lua_engine::on_machine_stop() -{ - execute_function("LUA_ON_STOP"); -} - -void lua_engine::on_machine_pause() -{ - execute_function("LUA_ON_PAUSE"); -} - -void lua_engine::on_machine_resume() -{ - execute_function("LUA_ON_RESUME"); -} - -void lua_engine::on_machine_frame() -{ - execute_function("LUA_ON_FRAME"); -} - -void lua_engine::on_frame_done() -{ - execute_function("LUA_ON_FRAME_DONE"); -} - -void lua_engine::update_machine() -{ - lua_newtable(m_lua_state); - if (m_machine!=nullptr) - { - // Create the ioport array - for (ioport_port &port : machine().ioport().ports()) - { - for (ioport_field &field : port.fields()) - { - if (field.name()) - { - push(m_lua_state, &field, tname_ioport); - lua_setfield(m_lua_state, -2, field.name()); - } - } - } - } - lua_setglobal(m_lua_state, "ioport"); -} - -void lua_engine::attach_notifiers() -{ - machine().add_notifier(MACHINE_NOTIFY_RESET, machine_notify_delegate(FUNC(lua_engine::on_machine_prestart), this), true); - machine().add_notifier(MACHINE_NOTIFY_RESET, machine_notify_delegate(FUNC(lua_engine::on_machine_start), this)); - machine().add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(lua_engine::on_machine_stop), this)); - machine().add_notifier(MACHINE_NOTIFY_PAUSE, machine_notify_delegate(FUNC(lua_engine::on_machine_pause), this)); - machine().add_notifier(MACHINE_NOTIFY_RESUME, machine_notify_delegate(FUNC(lua_engine::on_machine_resume), this)); - machine().add_notifier(MACHINE_NOTIFY_FRAME, machine_notify_delegate(FUNC(lua_engine::on_machine_frame), this)); -} - -int lua_engine::lua_machine::l_popmessage(lua_State *L) -{ - running_machine *m = luabridge::Stack<running_machine *>::get(L, 1); - if(!lua_isstring(L, 2)) - m->popmessage(); - else - m->popmessage("%s", luaL_checkstring(L, 2)); - return 0; -} - -int lua_engine::lua_machine::l_logerror(lua_State *L) -{ - running_machine *m = luabridge::Stack<running_machine *>::get(L, 1); - luaL_argcheck(L, lua_isstring(L, 2), 2, "message (string) expected"); - m->logerror("[luaengine] %s\n", luaL_checkstring(L, 2)); - return 0; -} - -std::string lua_engine::get_print_buffer(lua_State *L) -{ - int nargs = lua_gettop(L); - - const std::string sep = " "; - - std::ostringstream ss; - bool first = true; - - for (int i = 1; i <= nargs; i++) { - const char* c = lua_tostring(L, i); - const std::string str = c ? c : "<nil>"; - if (first) first = false; - else ss << sep; - ss << str; - } - - return ss.str(); -} -int lua_engine::l_osd_printf_verbose(lua_State *L) -{ - osd_printf_verbose("%s\n",get_print_buffer(L).c_str()); - return 0; -} - -int lua_engine::l_osd_printf_error(lua_State *L) -{ - osd_printf_error("%s\n",get_print_buffer(L).c_str()); - return 0; -} - -int lua_engine::l_osd_printf_info(lua_State *L) -{ - osd_printf_info("%s\n",get_print_buffer(L).c_str()); - return 0; -} - -int lua_engine::l_osd_printf_debug(lua_State *L) -{ - osd_printf_debug("%s\n",get_print_buffer(L).c_str()); - return 0; -} - -//------------------------------------------------- -// initialize - initialize lua hookup to emu engine -//------------------------------------------------- - -void lua_engine::initialize() -{ - luabridge::getGlobalNamespace (m_lua_state) - .beginNamespace ("emu") - .addCFunction ("app_name", l_emu_app_name ) - .addCFunction ("app_version", l_emu_app_version ) - .addCFunction ("gamename", l_emu_gamename ) - .addCFunction ("romname", l_emu_romname ) - .addCFunction ("softname", l_emu_softname ) - .addCFunction ("keypost", l_emu_keypost ) - .addCFunction ("hook_output", l_emu_hook_output ) - .addCFunction ("sethook", l_emu_set_hook ) - .addCFunction ("time", l_emu_time ) - .addCFunction ("wait", l_emu_wait ) - .addCFunction ("after", l_emu_after ) - .addCFunction ("exit", l_emu_exit ) - .addCFunction ("start", l_emu_start ) - .addCFunction ("pause", l_emu_pause ) - .addCFunction ("unpause", l_emu_unpause ) - .addCFunction ("register_prestart", l_emu_register_prestart ) - .addCFunction ("register_start", l_emu_register_start ) - .addCFunction ("register_stop", l_emu_register_stop ) - .addCFunction ("register_pause", l_emu_register_pause ) - .addCFunction ("register_resume",l_emu_register_resume ) - .addCFunction ("register_frame", l_emu_register_frame ) - .addCFunction ("register_frame_done", l_emu_register_frame_done ) - .addCFunction ("register_menu", l_emu_register_menu ) - .addCFunction ("print_verbose", l_osd_printf_verbose ) - .addCFunction ("print_error", l_osd_printf_error ) - .addCFunction ("print_info", l_osd_printf_info ) - .addCFunction ("print_debug", l_osd_printf_debug ) - .beginClass <machine_manager> ("manager") - .addFunction ("machine", &machine_manager::machine) - .addFunction ("options", &machine_manager::options) - .addFunction ("plugins", &machine_manager::plugins) - .endClass () - .beginClass <lua_machine> ("lua_machine") - .addCFunction ("popmessage", &lua_machine::l_popmessage) - .addCFunction ("logerror", &lua_machine::l_logerror) - .endClass () - .deriveClass <running_machine, lua_machine> ("machine") - .addFunction ("exit", &running_machine::schedule_exit) - .addFunction ("hard_reset", &running_machine::schedule_hard_reset) - .addFunction ("soft_reset", &running_machine::schedule_soft_reset) - .addFunction ("save", &running_machine::schedule_save) - .addFunction ("load", &running_machine::schedule_load) - .addFunction ("system", &running_machine::system) - .addFunction ("video", &running_machine::video) - .addFunction ("ui", &running_machine::ui) - .addFunction ("render", &running_machine::render) - .addFunction ("ioport", &running_machine::ioport) - .addFunction ("parameters", &running_machine::parameters) - .addFunction ("cheat", &running_machine::cheat) - .addFunction ("memory", &running_machine::memory) - .addFunction ("options", &running_machine::options) - .addFunction ("outputs", &running_machine::output) - .addProperty <luabridge::LuaRef, void> ("devices", &lua_engine::l_machine_get_devices) - .addProperty <luabridge::LuaRef, void> ("screens", &lua_engine::l_machine_get_screens) - .addProperty <luabridge::LuaRef, void> ("images", &lua_engine::l_machine_get_images) - .endClass () - .beginClass <game_driver> ("game_driver") - .addData ("source_file", &game_driver::source_file) - .addData ("parent", &game_driver::parent) - .addData ("name", &game_driver::name) - .addData ("description", &game_driver::description) - .addData ("year", &game_driver::year) - .addData ("manufacturer", &game_driver::manufacturer) - .addData ("compatible_with", &game_driver::compatible_with) - .addData ("default_layout", &game_driver::default_layout) - .endClass () - .beginClass <device_t> ("device") - .addFunction ("name", &device_t::name) - .addFunction ("shortname", &device_t::shortname) - .addFunction ("tag", &device_t::tag) - .addFunction ("owner", &device_t::owner) - .addProperty <luabridge::LuaRef, void> ("spaces", &lua_engine::l_dev_get_memspaces) - .addProperty <luabridge::LuaRef, void> ("state", &lua_engine::l_dev_get_states) - .addProperty <luabridge::LuaRef, void> ("items", &lua_engine::l_dev_get_items) - .endClass() - .beginClass <cheat_manager> ("cheat") - .addProperty <bool, bool> ("enabled", &cheat_manager::enabled, &cheat_manager::set_enable) - .addFunction ("reload", &cheat_manager::reload) - .addFunction ("save_all", &cheat_manager::save_all) - .addProperty <luabridge::LuaRef, void> ("entries", &lua_engine::l_cheat_get_entries) - .endClass() - .beginClass <lua_cheat_entry> ("lua_cheat_entry") - .addCFunction ("state", &lua_cheat_entry::l_get_state) - .endClass() - .deriveClass <cheat_entry, lua_cheat_entry> ("cheat_entry") - .addFunction ("description", &cheat_entry::description) - .addFunction ("comment", &cheat_entry::comment) - .addFunction ("has_run_script", &cheat_entry::has_run_script) - .addFunction ("has_on_script", &cheat_entry::has_on_script) - .addFunction ("has_off_script", &cheat_entry::has_off_script) - .addFunction ("has_change_script", &cheat_entry::has_change_script) - .addFunction ("execute_off_script", &cheat_entry::execute_off_script) - .addFunction ("execute_on_script", &cheat_entry::execute_on_script) - .addFunction ("execute_run_script", &cheat_entry::execute_run_script) - .addFunction ("execute_change_script", &cheat_entry::execute_change_script) - .addFunction ("is_text_only", &cheat_entry::is_text_only) - .addFunction ("is_oneshot", &cheat_entry::is_oneshot) - .addFunction ("is_onoff", &cheat_entry::is_onoff) - .addFunction ("is_value_parameter", &cheat_entry::is_value_parameter) - .addFunction ("is_itemlist_parameter", &cheat_entry::is_itemlist_parameter) - .addFunction ("is_oneshot_parameter", &cheat_entry::is_oneshot_parameter) - .addFunction ("activate", &cheat_entry::activate) - .addFunction ("select_default_state", &cheat_entry::select_default_state) - .addFunction ("select_previous_state", &cheat_entry::select_previous_state) - .addFunction ("select_next_state", &cheat_entry::select_next_state) - .endClass() - .beginClass <ioport_manager> ("ioport") - .addFunction ("has_configs", &ioport_manager::has_configs) - .addFunction ("has_analog", &ioport_manager::has_analog) - .addFunction ("has_dips", &ioport_manager::has_dips) - .addFunction ("has_bioses", &ioport_manager::has_bioses) - .addFunction ("has_keyboard", &ioport_manager::has_keyboard) - .addFunction ("count_players", &ioport_manager::count_players) - .addProperty <luabridge::LuaRef, void> ("ports", &lua_engine::l_ioport_get_ports) - .endClass() - .beginClass <ioport_port> ("ioport_port") - .addFunction ("tag", &ioport_port::tag) - .addFunction ("active", &ioport_port::active) - .addFunction ("live", &ioport_port::live) - .addFunction ("read", &ioport_port::read) - .addFunction ("write", &ioport_port::write) - .addFunction ("field", &ioport_port::field) - .addProperty <luabridge::LuaRef, void> ("fields", &lua_engine::l_ioports_port_get_fields) - .endClass() - .beginClass <ioport_field> ("ioport_field") - .addFunction ("set_value", &ioport_field::set_value) - .addProperty ("device", &ioport_field::device) - .addProperty ("name", &ioport_field::name) - .addProperty <UINT8, UINT8> ("player", &ioport_field::player, &ioport_field::set_player) - .addProperty ("mask", &ioport_field::mask) - .addProperty ("defvalue", &ioport_field::defvalue) - .addProperty ("sensitivity", &ioport_field::sensitivity) - .addProperty ("way", &ioport_field::way) - .addProperty ("is_analog", &ioport_field::is_analog) - .addProperty ("is_digitial_joystick", &ioport_field::is_digital_joystick) - .addProperty ("enabled", &ioport_field::enabled) - .addProperty ("unused", &ioport_field::unused) - .addProperty ("cocktail", &ioport_field::cocktail) - .addProperty ("toggle", &ioport_field::toggle) - .addProperty ("rotated", &ioport_field::rotated) - .addProperty ("analog_reverse", &ioport_field::analog_reverse) - .addProperty ("analog_reset", &ioport_field::analog_reset) - .addProperty ("analog_wraps", &ioport_field::analog_wraps) - .addProperty ("analog_invert", &ioport_field::analog_invert) - .addProperty ("impulse", &ioport_field::impulse) - .addProperty <double, double> ("crosshair_scale", &ioport_field::crosshair_scale, &ioport_field::set_crosshair_scale) - .addProperty <double, double> ("crosshair_offset", &ioport_field::crosshair_offset, &ioport_field::set_crosshair_offset) - .endClass() - .beginClass <core_options> ("core_options") - .addFunction ("help", &core_options::output_help) - .addFunction ("command", &core_options::command) - .addProperty <luabridge::LuaRef, void> ("entries", &lua_engine::l_options_get_entries) - .endClass() - .beginClass <lua_options_entry> ("lua_options_entry") - .addCFunction ("value", &lua_options_entry::l_entry_value) - .endClass() - .deriveClass <core_options::entry, lua_options_entry> ("core_options_entry") - .addFunction ("description", &core_options::entry::description) - .addFunction ("default_value", &core_options::entry::default_value) - .addFunction ("minimum", &core_options::entry::minimum) - .addFunction ("maximum", &core_options::entry::maximum) - .addFunction ("has_range", &core_options::entry::has_range) - .endClass() - .deriveClass <emu_options, core_options> ("emu_options") - .endClass() - .deriveClass <ui_options, core_options> ("ui_options") - .endClass() - .deriveClass <plugin_options, core_options> ("plugin_options") - .endClass() - .beginClass <parameters_manager> ("parameters") - .addFunction ("add", ¶meters_manager::add) - .addFunction ("lookup", ¶meters_manager::lookup) - .endClass() - .beginClass <lua_video> ("lua_video_manager") - .addCFunction ("begin_recording", &lua_video::l_begin_recording) - .addCFunction ("end_recording", &lua_video::l_end_recording) - .endClass() - .deriveClass <video_manager, lua_video> ("video") - .addFunction ("snapshot", &video_manager::save_active_screen_snapshots) - .addFunction ("is_recording", &video_manager::is_recording) - .addFunction ("skip_this_frame", &video_manager::skip_this_frame) - .addFunction ("speed_factor", &video_manager::speed_factor) - .addFunction ("speed_percent", &video_manager::speed_percent) - .addProperty <int, int> ("frameskip", &video_manager::frameskip, &video_manager::set_frameskip) - .addProperty <bool, bool> ("throttled", &video_manager::throttled, &video_manager::set_throttled) - .addProperty <float, float> ("throttle_rate", &video_manager::throttle_rate, &video_manager::set_throttle_rate) - .endClass() - .beginClass <lua_addr_space> ("lua_addr_space") - .addCFunction ("read_i8", &lua_addr_space::l_mem_read<INT8>) - .addCFunction ("read_u8", &lua_addr_space::l_mem_read<UINT8>) - .addCFunction ("read_i16", &lua_addr_space::l_mem_read<INT16>) - .addCFunction ("read_u16", &lua_addr_space::l_mem_read<UINT16>) - .addCFunction ("read_i32", &lua_addr_space::l_mem_read<INT32>) - .addCFunction ("read_u32", &lua_addr_space::l_mem_read<UINT32>) - .addCFunction ("read_i64", &lua_addr_space::l_mem_read<INT64>) - .addCFunction ("read_u64", &lua_addr_space::l_mem_read<UINT64>) - .addCFunction ("write_i8", &lua_addr_space::l_mem_write<INT8>) - .addCFunction ("write_u8", &lua_addr_space::l_mem_write<UINT8>) - .addCFunction ("write_i16", &lua_addr_space::l_mem_write<INT16>) - .addCFunction ("write_u16", &lua_addr_space::l_mem_write<UINT16>) - .addCFunction ("write_i32", &lua_addr_space::l_mem_write<INT32>) - .addCFunction ("write_u32", &lua_addr_space::l_mem_write<UINT32>) - .addCFunction ("write_i64", &lua_addr_space::l_mem_write<INT64>) - .addCFunction ("write_u64", &lua_addr_space::l_mem_write<UINT64>) - .addCFunction ("read_direct_i8", &lua_addr_space::l_direct_mem_read<INT8>) - .addCFunction ("read_direct_u8", &lua_addr_space::l_direct_mem_read<UINT8>) - .addCFunction ("read_direct_i16", &lua_addr_space::l_direct_mem_read<INT16>) - .addCFunction ("read_direct_u16", &lua_addr_space::l_direct_mem_read<UINT16>) - .addCFunction ("read_direct_i32", &lua_addr_space::l_direct_mem_read<INT32>) - .addCFunction ("read_direct_u32", &lua_addr_space::l_direct_mem_read<UINT32>) - .addCFunction ("read_direct_i64", &lua_addr_space::l_direct_mem_read<INT64>) - .addCFunction ("read_direct_u64", &lua_addr_space::l_direct_mem_read<UINT64>) - .addCFunction ("write_direct_i8", &lua_addr_space::l_direct_mem_write<INT8>) - .addCFunction ("write_direct_u8", &lua_addr_space::l_direct_mem_write<UINT8>) - .addCFunction ("write_direct_i16", &lua_addr_space::l_direct_mem_write<INT16>) - .addCFunction ("write_direct_u16", &lua_addr_space::l_direct_mem_write<UINT16>) - .addCFunction ("write_direct_i32", &lua_addr_space::l_direct_mem_write<INT32>) - .addCFunction ("write_direct_u32", &lua_addr_space::l_direct_mem_write<UINT32>) - .addCFunction ("write_direct_i64", &lua_addr_space::l_direct_mem_write<INT64>) - .addCFunction ("write_direct_u64", &lua_addr_space::l_direct_mem_write<UINT64>) - .endClass() - .deriveClass <address_space, lua_addr_space> ("addr_space") - .addFunction("name", &address_space::name) - .addProperty <luabridge::LuaRef, void> ("map", &lua_engine::l_addr_space_map) - .endClass() - .beginClass <render_target> ("target") - .addFunction ("width", &render_target::width) - .addFunction ("height", &render_target::height) - .addFunction ("pixel_aspect", &render_target::pixel_aspect) - .addFunction ("hidden", &render_target::hidden) - .addFunction ("is_ui_target", &render_target::is_ui_target) - .addFunction ("index", &render_target::index) - .addProperty <float, float> ("max_update_rate", &render_target::max_update_rate, &render_target::set_max_update_rate) - .addProperty <int, int> ("view", &render_target::view, &render_target::set_view) - .addProperty <int, int> ("orientation", &render_target::orientation, &render_target::set_orientation) - .addProperty <bool, bool> ("backdrops", &render_target::backdrops_enabled, &render_target::set_backdrops_enabled) - .addProperty <bool, bool> ("overlays", &render_target::overlays_enabled, &render_target::set_overlays_enabled) - .addProperty <bool, bool> ("bezels", &render_target::bezels_enabled, &render_target::set_bezels_enabled) - .addProperty <bool, bool> ("marquees", &render_target::marquees_enabled, &render_target::set_marquees_enabled) - .addProperty <bool, bool> ("screen_overlay", &render_target::screen_overlay_enabled, &render_target::set_screen_overlay_enabled) - .addProperty <bool, bool> ("zoom", &render_target::zoom_to_screen, &render_target::set_zoom_to_screen) - .endClass() - .beginClass <render_container> ("render_container") - .addFunction ("orientation", &render_container::orientation) - .addFunction ("xscale", &render_container::xscale) - .addFunction ("yscale", &render_container::yscale) - .addFunction ("xoffset", &render_container::xoffset) - .addFunction ("yoffset", &render_container::yoffset) - .addFunction ("is_empty", &render_container::is_empty) - .endClass() - .beginClass <render_manager> ("render") - .addFunction ("max_update_rate", &render_manager::max_update_rate) - .addFunction ("ui_target", &render_manager::ui_target) - .addFunction ("ui_container", &render_manager::ui_container) - .addProperty <luabridge::LuaRef, void> ("targets", &lua_engine::l_render_get_targets) - .endClass() - .beginClass <ui_manager> ("ui") - .addFunction ("is_menu_active", &ui_manager::is_menu_active) - .addFunction ("options", &ui_manager::options) - .addProperty <bool, bool> ("show_fps", &ui_manager::show_fps, &ui_manager::set_show_fps) - .addProperty <bool, bool> ("show_profiler", &ui_manager::show_profiler, &ui_manager::set_show_profiler) - .addProperty <bool, bool> ("single_step", &ui_manager::single_step, &ui_manager::set_single_step) - .addFunction ("get_line_height", &ui_manager::get_line_height) - .endClass() - .beginClass <lua_screen> ("lua_screen_dev") - .addCFunction ("draw_box", &lua_screen::l_draw_box) - .addCFunction ("draw_line", &lua_screen::l_draw_line) - .addCFunction ("draw_text", &lua_screen::l_draw_text) - .addCFunction ("height", &lua_screen::l_height) - .addCFunction ("width", &lua_screen::l_width) - .addCFunction ("orientation", &lua_screen::l_orientation) - .addCFunction ("refresh", &lua_screen::l_refresh) - .addCFunction ("snapshot", &lua_screen::l_snapshot) - .addCFunction ("type", &lua_screen::l_type) - .endClass() - .deriveClass <screen_device, lua_screen> ("screen_dev") - .addFunction ("frame_number", &screen_device::frame_number) - .addFunction ("name", &screen_device::name) - .addFunction ("shortname", &screen_device::shortname) - .addFunction ("tag", &screen_device::tag) - .addFunction ("xscale", &screen_device::xscale) - .addFunction ("yscale", &screen_device::yscale) - .endClass() - .beginClass <device_state_entry> ("dev_space") - .addFunction ("name", &device_state_entry::symbol) - .addProperty <UINT64, UINT64> ("value", &lua_engine::l_state_get_value, &lua_engine::l_state_set_value) - .addFunction ("is_visible", &device_state_entry::visible) - .addFunction ("is_divider", &device_state_entry::divider) - .endClass() - .beginClass <memory_manager> ("memory") - .addProperty <luabridge::LuaRef, void> ("banks", &lua_engine::l_memory_get_banks) - .addProperty <luabridge::LuaRef, void> ("regions", &lua_engine::l_memory_get_regions) - .endClass() - .beginClass <lua_memory_region> ("lua_region") - .addCFunction ("read_i8", &lua_memory_region::l_region_read<INT8>) - .addCFunction ("read_u8", &lua_memory_region::l_region_read<UINT8>) - .addCFunction ("read_i16", &lua_memory_region::l_region_read<INT16>) - .addCFunction ("read_u16", &lua_memory_region::l_region_read<UINT16>) - .addCFunction ("read_i32", &lua_memory_region::l_region_read<INT32>) - .addCFunction ("read_u32", &lua_memory_region::l_region_read<UINT32>) - .addCFunction ("read_i64", &lua_memory_region::l_region_read<INT64>) - .addCFunction ("read_u64", &lua_memory_region::l_region_read<UINT64>) - .addCFunction ("write_i8", &lua_memory_region::l_region_write<INT8>) - .addCFunction ("write_u8", &lua_memory_region::l_region_write<UINT8>) - .addCFunction ("write_i16", &lua_memory_region::l_region_write<INT16>) - .addCFunction ("write_u16", &lua_memory_region::l_region_write<UINT16>) - .addCFunction ("write_i32", &lua_memory_region::l_region_write<INT32>) - .addCFunction ("write_u32", &lua_memory_region::l_region_write<UINT32>) - .addCFunction ("write_i64", &lua_memory_region::l_region_write<INT64>) - .addCFunction ("write_u64", &lua_memory_region::l_region_write<UINT64>) - .endClass() - .beginClass <output_manager> ("output") - .addFunction ("set_value", &output_manager::set_value) - .addFunction ("set_indexed_value", &output_manager::set_indexed_value) - .addFunction ("get_value", &output_manager::get_value) - .addFunction ("get_indexed_value", &output_manager::get_indexed_value) - .addFunction ("name_to_id", &output_manager::name_to_id) - .addFunction ("id_to_name", &output_manager::id_to_name) - .endClass() - .deriveClass <memory_region, lua_memory_region> ("region") - .addProperty <UINT32> ("size", &memory_region::bytes) - .endClass() - .beginClass <device_image_interface> ("image") - .addFunction ("exists", &device_image_interface::exists) - .addFunction ("filename", &device_image_interface::filename) - .addFunction ("longname", &device_image_interface::longname) - .addFunction ("manufacturer", &device_image_interface::manufacturer) - .addFunction ("year", &device_image_interface::year) - .addFunction ("software_list_name", &device_image_interface::software_list_name) - .addFunction ("image_type_name", &device_image_interface::image_type_name) - .addFunction ("load", &device_image_interface::load) - .addFunction ("unload", &device_image_interface::unload) - .addFunction ("crc", &device_image_interface::crc) - .addProperty <const device_t &> ("device", static_cast<const device_t &(device_image_interface::*)() const>(&device_image_interface::device)) - .addProperty <bool> ("is_readable", &device_image_interface::is_readable) - .addProperty <bool> ("is_writeable", &device_image_interface::is_writeable) - .addProperty <bool> ("is_creatable", &device_image_interface::is_creatable) - .addProperty <bool> ("is_reset_on_load", &device_image_interface::is_reset_on_load) - .endClass() - .beginClass <lua_emu_file> ("file") - .addConstructor <void (*)(const char *, UINT32)> () - .addCFunction ("read", &lua_emu_file::l_emu_file_read) - .addFunction ("open", &lua_emu_file::open) - .addFunction ("open_next", &lua_emu_file::open_next) - .addFunction ("seek", &lua_emu_file::seek) - .addFunction ("size", &lua_emu_file::size) - .addFunction ("filename", &lua_emu_file::filename) - .addFunction ("fullpath", &lua_emu_file::fullpath) - .endClass() - .beginClass <lua_item> ("item") - .addConstructor <void (*)(int)> () - .addData ("size", &lua_item::l_item_size, false) - .addData ("count", &lua_item::l_item_count, false) - .addCFunction ("read", &lua_item::l_item_read) - .addCFunction ("read_block", &lua_item::l_item_read_block) - .addCFunction ("write", &lua_item::l_item_write) - .endClass() - .endNamespace(); - - luabridge::push (m_lua_state, machine_manager::instance()); - lua_setglobal(m_lua_state, "manager"); -} - -void lua_engine::start_console() -{ - std::thread th(::serve_lua, this); - th.detach(); -} - -//------------------------------------------------- -// frame_hook - called at each frame refresh, used to draw a HUD -//------------------------------------------------- -bool lua_engine::frame_hook() -{ - bool is_cb_hooked = false; - if (m_machine != nullptr) { - // invoke registered callback (if any) - is_cb_hooked = hook_frame_cb.active(); - if (is_cb_hooked) { - lua_State *L = hook_frame_cb.precall(); - hook_frame_cb.call(this, L, 0); - } - } - return is_cb_hooked; -} - -void lua_engine::periodic_check() -{ - std::lock_guard<std::mutex> lock(g_mutex); - if (msg.ready == 1) { - lua_settop(m_lua_state, 0); - int status = luaL_loadbuffer(m_lua_state, msg.text.c_str(), msg.text.length(), "=stdin"); - if (incomplete(status)==0) /* cannot try to add lines? */ - { - if (status == LUA_OK) status = docall(0, LUA_MULTRET); - report(status); - if (status == LUA_OK && lua_gettop(m_lua_state) > 0) /* any result to print? */ - { - luaL_checkstack(m_lua_state, LUA_MINSTACK, "too many results to print"); - lua_getglobal(m_lua_state, "print"); - lua_insert(m_lua_state, 1); - if (lua_pcall(m_lua_state, lua_gettop(m_lua_state) - 1, 0, 0) != LUA_OK) - lua_writestringerror("%s\n", lua_pushfstring(m_lua_state, - "error calling " LUA_QL("print") " (%s)", - lua_tostring(m_lua_state, -1))); - } - } - else - { - status = -1; - } - msg.status = status; - msg.response = msg.text; - msg.text = ""; - msg.ready = 0; - msg.done = 1; - } -} - -//------------------------------------------------- -// close - close and cleanup of lua engine -//------------------------------------------------- - -void lua_engine::close() -{ - lua_settop(m_lua_state, 0); /* clear stack */ - lua_close(m_lua_state); -} - -//------------------------------------------------- -// execute - load and execute script -//------------------------------------------------- - -void lua_engine::load_script(const char *filename) -{ - int s = luaL_loadfile(m_lua_state, filename); - report(s); - update_machine(); - start(); -} - -//------------------------------------------------- -// execute_string - execute script from string -//------------------------------------------------- - -void lua_engine::load_string(const char *value) -{ - int s = luaL_loadstring(m_lua_state, value); - report(s); - update_machine(); - start(); -} - -//------------------------------------------------- -// start - execute the loaded script -//------------------------------------------------- - -void lua_engine::start() -{ - resume(m_lua_state); -} - - -//************************************************************************** -// LuaBridge Stack specializations -//************************************************************************** - -namespace luabridge { - template <> - struct Stack <unsigned long long> { - static inline void push (lua_State* L, unsigned long long value) { - lua_pushunsigned(L, static_cast <lua_Unsigned> (value)); - } - - static inline unsigned long long get (lua_State* L, int index) { - return static_cast <unsigned long long> (luaL_checkunsigned (L, index)); - } - }; -} |
