diff options
author | pixel <pixel> | 2008-07-04 12:03:00 +0000 |
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committer | pixel <pixel> | 2008-07-04 12:03:00 +0000 |
commit | 694d522362c2d7b8aac83e5b4b57c964f751204c (patch) | |
tree | a5a93d6b492563b6ec7db1209d5879734127208c /src/lua-interface.cpp |
Adding project files.
Diffstat (limited to 'src/lua-interface.cpp')
-rw-r--r-- | src/lua-interface.cpp | 745 |
1 files changed, 745 insertions, 0 deletions
diff --git a/src/lua-interface.cpp b/src/lua-interface.cpp new file mode 100644 index 0000000..8350680 --- /dev/null +++ b/src/lua-interface.cpp @@ -0,0 +1,745 @@ +/* + * PSX-Tools Bundle Pack + * Copyright (C) 2002-2005 Nicolas "Pixel" Noble + * + * This program 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. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* $Id: lua-interface.cpp,v 1.1 2008-07-04 12:03:01 pixel Exp $ */ + +#define WIP + +#define VERSION "0.7" + +#include <stdio.h> + +#include <readline/readline.h> +#include <readline/history.h> + +#include <getopt.h> +#include <Input.h> +#include <Output.h> +#include <Buffer.h> +#include <BLua.h> +#include <LuaCommandLine.h> +#include <HttpServ.h> +#include <Message.h> +#include <Form.h> +#include <BRegex.h> +#include <LuaTask.h> +#include <TaskMan.h> +#include <generic.h> +#include <Main.h> +#include <lua-plugin.h> + +#include "lua-interface-hc.h" + +#ifdef _WIN32 + +#include <windows.h> +#include <ctype.h> +#include <conio.h> + +#include <readline/rldefs.h> + +#define EXT_PREFIX 0x1f8 + +#define KEV irec.Event.KeyEvent /* to make life easier */ +#define KST irec.Event.KeyEvent.dwControlKeyState + + +static int pending_key = 0; +static int pending_count = 0; +static int pending_prefix = 0; + +extern int _rl_last_c_pos; /* imported from display.c */ +extern int _rl_last_v_pos; +extern int rl_dispatching; /* imported from readline.c */ +extern int rl_point; +extern int rl_done; +extern int rl_visible_prompt_length; + +extern "C" { +extern int haveConsole; /* imported from rltty.c */ +extern HANDLE hStdout, hStdin; +} + +int my_getc (FILE * stream) +{ + int key; + + if ( pending_count ) + { + --pending_count; + if ( pending_prefix && (pending_count & 1) ) + return pending_prefix; + else + return pending_key; + } + + while ( 1 ) + { + DWORD dummy; + + if (WaitForSingleObject(hStdin, WAIT_FOR_INPUT) != WAIT_OBJECT_0) + { + if ( rl_done ) + return( 0 ); + else + continue; + } + if ( haveConsole & FOR_INPUT ) + { + INPUT_RECORD irec; + ReadConsoleInput(hStdin, &irec, 1, &dummy); + switch(irec.EventType) + { + case KEY_EVENT: + if ( KEV.bKeyDown + && ((KEV.wVirtualKeyCode < VK_SHIFT) || (KEV.wVirtualKeyCode > VK_MENU)) ) + { + int mask = 0; + + key = KEV.uChar.AsciiChar & 0xff; +// if ( KST & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED) ) +// mask=0x100; + if ( key ) + { + /* Ascii direct */ + pending_count = KEV.wRepeatCount - 1; + pending_key = key; + pending_prefix = 0; + if ( mask ) + key = tolower(key) | mask; + } + else + /* Others prefixed */ + { + key = EXT_PREFIX; + if ( mask ) + key |= 4; + if (KST & SHIFT_PRESSED) + key |= 1; + if (KST & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) + key |= 2; + mask |= EXT_PREFIX; + pending_count = (KEV.wRepeatCount << 1) - 1; + pending_key = KEV.wVirtualKeyCode; + pending_prefix = key; + } + return key; + } + break; + default: + break; + } + } + else + { + ReadFile(hStdin, &key, 1, &dummy, NULL); + return key; + } + } +} +#endif + +bool interactive = false, server = false; + +Lua * L = 0; + +String server_fname = "server.lua"; + +static int myprint(lua_State * __L) { + Lua * L = Lua::find(__L); + String t = "From LUA: " + L->tostring() + "\n"; + char * tc = t.strdup(); + + Base::printm(M_STATUS, "%s", tc); + + free(tc); + + return 0; +} + +static int StartTaskLoop(void * foo) { + TaskMan::MainLoop(); + return 0; +} + +class Luabaselua_interface : public LuaObject { + public: + static void pushstatics(Lua *) throw (GeneralException); +}; + +typedef void baselua_interface; + +enum baselua_interface_t { + BASELUA_INTERFACE_LOAD = 0, + BASELUA_INTERFACE_PRELOAD, + BASELUA_INTERFACE_LOADMODULE, + BASELUA_INTERFACE_UNLINK, +}; + +struct lua_functypes_t baselua_interface_functions[] = { + { BASELUA_INTERFACE_LOAD, "load", 0, 1, { BLUA_STRING | BLUA_OBJECT } }, + { BASELUA_INTERFACE_PRELOAD, "preload", 0, 1, { BLUA_STRING | BLUA_OBJECT } }, + { BASELUA_INTERFACE_LOADMODULE, "loadmodule", 1, 1, { BLUA_STRING } }, + { BASELUA_INTERFACE_UNLINK, "unlink", 1, 1, { BLUA_STRING } }, + { -1, 0, 0, 0, 0 } +}; + +class sLua_baselua_interface : public Base { + public: + DECLARE_FUNCTION(baselua_interface, BASELUA_INTERFACE_LOAD); + DECLARE_FUNCTION(baselua_interface, BASELUA_INTERFACE_PRELOAD); + DECLARE_FUNCTION(baselua_interface, BASELUA_INTERFACE_LOADMODULE); + DECLARE_FUNCTION(baselua_interface, BASELUA_INTERFACE_UNLINK); + private: + static int baselua_interface_proceed_statics(Lua * L, int n, int caller); +}; + +void Luabaselua_interface::pushstatics(Lua * L) throw (GeneralException ) { + CHECK_FUNCTIONS(baselua_interface); + + PUSH_FUNCTION(baselua_interface, BASELUA_INTERFACE_LOAD); + PUSH_FUNCTION(baselua_interface, BASELUA_INTERFACE_PRELOAD); + PUSH_FUNCTION(baselua_interface, BASELUA_INTERFACE_LOADMODULE); + PUSH_FUNCTION(baselua_interface, BASELUA_INTERFACE_UNLINK); +} + +int sLua_baselua_interface::baselua_interface_proceed_statics(Lua * L, int n, int caller) { + int r = 0; + String filename; + const char * t; + + switch (caller) { + case BASELUA_INTERFACE_LOAD: + if (!n) { + L->load(&Input("lua-interface.lua")); + } else { + if (L->isstring(1)) { + L->load(&Input(L->tostring(1))); + } else { + Handle * t = (Handle *) LuaObject::getme(L, 1); + L->load(t); + } + } + break; + case BASELUA_INTERFACE_PRELOAD: + r = 1; + if (!n) { + L->load(&Input("lua-interface.lua")); + } else { + if (L->isstring(1)) { + L->load(&Input(L->tostring(1)), false); + } else { + Handle * t = (Handle *) LuaObject::getme(L, 1); + L->load(t, false); + } + } + break; + case BASELUA_INTERFACE_LOADMODULE: + LuaLoadPlugin(L->tostring(1), L); + break; + case BASELUA_INTERFACE_UNLINK: + filename = L->tostring(1); + t = filename.to_charp(); + L->push((lua_Number) unlink(t)); + r = 1; + break; + } + return r; +} + +class Lualua_interface : public LuaObject { + public: + static void pushstatics(Lua *) throw (GeneralException); +}; + +typedef void lua_interface; + +enum lua_interface_functions_t { + lua_interface_PRINT = 0, + lua_interface_PRINTN, + lua_interface_QUIT, + lua_interface_EXIT, +}; + +struct lua_functypes_t lua_interface_functions[] = { + { lua_interface_PRINT, "print", 0, 1, { BLUA_ANY } }, + { lua_interface_PRINTN, "printn", 1, 1, { BLUA_ANY } }, + { lua_interface_QUIT, "quit", 0, 0, 0 }, + { lua_interface_EXIT, "exit", 0, 0, 0 }, + { -1, 0, 0, 0, 0 } +}; + +class sLua_lua_interface : public Base { + public: + DECLARE_FUNCTION(lua_interface, lua_interface_PRINT); + DECLARE_FUNCTION(lua_interface, lua_interface_PRINTN); + DECLARE_FUNCTION(lua_interface, lua_interface_QUIT); + DECLARE_FUNCTION(lua_interface, lua_interface_EXIT); + private: + static int lua_interface_proceed_statics(Lua * L, int n, int caller); +}; + +void Lualua_interface::pushstatics(Lua * L) throw (GeneralException ) { + CHECK_FUNCTIONS(lua_interface); + + PUSH_FUNCTION(lua_interface, lua_interface_PRINT); + PUSH_FUNCTION(lua_interface, lua_interface_PRINTN); + PUSH_FUNCTION(lua_interface, lua_interface_QUIT); + PUSH_FUNCTION(lua_interface, lua_interface_EXIT); +} + +int sLua_lua_interface::lua_interface_proceed_statics(Lua * L, int n, int caller) { + int r = 0; + String p; + char * tc; + String eol = ""; + + switch (caller) { + case lua_interface_PRINT: + eol = "\n"; + case lua_interface_PRINTN: + if (n) { + p = L->tostring(1) + eol; + } else { + p = eol; + } + tc = p.strdup(); + printm(M_BARE, "%s", tc); + free(tc); + break; + case lua_interface_QUIT: + case lua_interface_EXIT: + interactive = false; + break; + } + + return r; +} + +int lga = 0; +enum { + NO_OPTION = 0, +}; + +int getopt_flag = NO_OPTION; + +struct option long_options[] = { + {"help", 0, NULL, 'h'}, + {"verbose", 0, NULL, 'v'}, + {"archive", 1, NULL, 'a'}, + {"compile", 1, NULL, 'c'}, + {"debug", 0, NULL, 'd'}, + {"interactive", 0, NULL, 'i'}, + {"line", 0, NULL, 'l'}, + {"exec", 1, NULL, 'e'}, + {"built-in", 0, NULL, 'b'}, + {"probe", 0, NULL, 'p'}, + {"log", 1, NULL, 'g'}, + {"server", 0, NULL, 's'}, + {"hport", 1, NULL, 'h'}, + {"tport", 1, NULL, 't'}, + {"server_fname", 1, NULL, 'f'}, + {0, 0, NULL, 0 } +}; + +static Uint32 elf_hash(const unsigned char * name) { + Uint32 h = 0, g; + + while (*name) { + h = (h << 4) + *name++; + if ((g = h & 0xf0000000)) + h ^= g >> 24; + h &= ~g; + } + + return h; +} + +static int lua_elf_hash(lua_State * __L) { + Lua * L = Lua::find(__L); + String t = L->tostring(); + + L->push((lua_Number) elf_hash((unsigned char *) t.to_charp())); + + return 1; +} + +String LUACall_Names[] = {"identifier"}; +String LUACall_Defaults[] = {""}; +String LUACall_Invites[] = {"LUA function name:"}; +String * LUACall_Lists[] = {0}; +String * LUACall_Descs[] = {0}; + +class ReloadLUA : public Message { + public: + ReloadLUA(const String & title = "Reloading " + server_fname, const String & url = "reloadlua"); + virtual ~ReloadLUA() { } + virtual Task * Do(Variables *, Variables *, Handle *); + + private: +}; + +ReloadLUA::ReloadLUA(const String & _title, const String & _url) : Message(_title, "Reloading " + server_fname + " in progress.", _url, 0) { +} + +Task * ReloadLUA::Do(Variables * v, Variables * headers, Handle * h) { + L->load(&Input(server_fname)); + return Message::Do(v, headers, h); +} + +class LUACall : public Message { + public: + LUACall(const String & title = "Calling a function.", const String & url = "luacall"); + virtual ~LUACall() { } + virtual Task * Do(Variables *, Variables *, Handle *); +}; + +LUACall::LUACall(const String & _title, const String & _url) : Message(_title, "Function call in progress...", _url, 0) { +} + +Task * LUACall::Do(Variables * v, Variables * headers, Handle * h) { + static const Regex ValidIdentifier("[a-zA-Z0-9_.:]*"); + + if (ValidIdentifier.Match((*v)["identifier"])) { + new LuaTask(L, (*v)["identifier"] + "()"); + } + return Message::Do(v, headers, h); +} + +CODE_BEGINS + +/* That's the basic lua starter for non interactive mode */ +Lua * start_basic_lua(void) { + L = new Lua(); + + L->open_base(); + L->open_math(); + L->open_string(); + L->open_table(); + L->open_dir(); + + L->push("print"); + L->push(myprint); + L->setvar(); + + L->push("hash"); + L->push(lua_elf_hash); + L->setvar(); + + Luabaselua_interface::pushstatics(L); + + return L; +} + +/* That's the extended stuff for interactive mode */ +Lua * start_full_lua(void) { + Lua * L = start_basic_lua(); + + Lualua_interface::pushstatics(L); + + return L; +} + +void showbanner() { + printm(M_BARE, +"Lua-Interface version " VERSION " (c) 2003-2008 Nicolas \"Pixel\" Noble\n" +LUA_RELEASE " " LUA_COPYRIGHT "\n" +#ifdef WIP +"Special version Work In Progress, compiled the " __DATE__ " at " __TIME__ "\n" +#endif +"This is free software with ABSOLUTELY NO WARRANTY.\n" +"\n"); +} + +void showhelp(bool longhelp = false) { + printm(M_BARE, +"Usage:\n" +"%s [options] [lua-script1] [lua-script2] ...\n" +"\n" +"Options:\n" +" -v for verbose mode.\n" +" -a <paq> to load an additionnal archive file.\n" +" -c <out> to dump the compiled byte code to file.\n" +" -d to enable debug mode (ie, do not strip)\n" +" -i to start interactive mode.\n" +" -l to turn off the exec on end line.\n" +" -e <cmd> to execute this single command in LUA.\n" +" -b to force the use of the built-in lua-interface.lua\n" +" -g <log> to log into a file.\n" +" -s start the built-in http server.\n" +" -p <hp> http port to bind to.\n" +" -t <tp> telnet port to bind to.\n" +" -f <fil> filename of http server to use (server.lua by default).\n" +" -h for a help page.\n" +, argv[0]); + + if (longhelp) + printm(M_BARE, +"\n" +"Verbose mode can be somewhat a floody thing.\n" +"Options -i/-e and -c are mutually exclusive.\n" +"Options -i, -s and -c are mutually exclusive.\n" +"Options -i/-s and -e are NOT mutually exclusive. For example:\n" +"\n" +" $ %s -i -e \"main()\" somescript.lua\n" +"\n" +"This will first load the script 'somescript.lua', then execute main, and\n" +"afterward, start the interactive mode.\n" +"\n" +"If a script contains inlined code, it will be run right after loading.\n" +, argv[0]); +} + +class lua_interface_printer_t : public printer_t { + public: + lua_interface_printer_t(Handle * h) : log(h) { } + virtual bool printm(int level, const char * format, va_list ap) { + char tmp[10241]; + + vsprintf(tmp, format, ap); + + (*log) << tmp; + + return true; + } + private: + Handle * log; +}; + +virtual int startup() throw (GeneralException) { + char c; + + bool auto_exec = true, strip = true, todo = false, runit, write = false, builtin = false; + char * file = 0, * output = 0, * compile = 0, * exec = 0, * line_read = 0; + char prompt[10]; + Lua * L = 0; + Buffer command; + String line, endline, hport = "1500", tport = "1550"; + int pos; + + verbosity = M_WARNING; + + showbanner(); + + /* Let's start parsing options */ + + while ((c = getopt_long(argc, argv, "Hhva:c:dile:bg:st:p:f:", long_options, NULL)) != EOF) { + switch (c) { + case 'h': + case 'H': + case '?': + showhelp(true); + throw Exit(0); + case 'v': + verbosity = M_INFO; + break; + case 'a': + new Archive(optarg); + break; + case 'c': + compile = strdup(optarg); + break; + case 'd': + strip = false; + break; + case 'i': + interactive = true; + todo = true; + break; + case 'l': + auto_exec = false; + break; + case 'e': + exec = strdup(optarg); + todo = true; + break; + case 'b': + builtin = true; + break; + case 'g': + printer = new lua_interface_printer_t(new Output(optarg)); + break; + case 's': + server = true; + todo = true; + break; + case 'p': + hport = optarg; + break; + case 't': + tport = optarg; + break; + case 'f': + server_fname = optarg; + break; + case 0: + if (!getopt_flag) { + showhelp(); + throw Exit(-1); + } + switch(getopt_flag) { + default: + throw GeneralException("Unknow option on command-line."); + } + getopt_flag = NO_OPTION; + break; + default: + showhelp(); + throw Exit(-1); + } + } + + if (interactive) + L = start_full_lua(); + else + L = start_basic_lua(); + + /* Loading lua-interface.lua (only when not compiling) */ + if (!compile && !builtin) { + try { + L->load(&Input("lua-interface.lua")); + } + catch (GeneralException e) { + printm(M_WARNING, "There was an error loading lua-interface.lua, using built-in: %s\n", e.GetMsg()); + builtin = true; + } + } + + if (!compile && builtin) { + Buffer built; + built.write(lua_interface_lua, lua_interface_lua_size); + + try { + L->load(&built); + } + catch (GeneralException e) { + printm(M_WARNING, "There was an error loading built-in lua-interface.lua: %s\n", e.GetMsg()); + } + } + + /* Loading all the scripts */ + while (optind < argc) { + todo = true; + L->load(&Input(argv[optind++]), !compile); + } + + /* Doh... */ + if (!todo) { + showhelp(); + throw Exit(0); + } + + /* Compilation process will exit from itself right after */ + if (compile) { + L->dump(&Output(compile), strip); + throw Exit(0); + } + + /* One shot command */ + if (exec) { + command << exec; + L->load(&command); + } + + if (server) { + HttpServ * httpserv = new HttpServ(new Message("Welcome", "Welcome.", "start"), hport.to_int(), "Lua Interface"); + new Form("LUACall", "luacallform", "Enter the function name to call", LUACall_Names, LUACall_Invites, LUACall_Defaults, LUACall_Lists, LUACall_Descs, 1, new LUACall()); + new ReloadLUA(); + new LuaCommandLine(L, tport.to_int()); + L->load(&Input(server_fname)); + + StartTaskLoop(0); + } + + if (!interactive) + Exit(0); + + /* Interactive mode loop */ + strcpy(prompt, "> "); +#ifdef _WIN32 + rl_getc_function = my_getc; +#endif + rl_bind_key('\t', rl_insert); + while (interactive) { + /* Basic usage of readline */ + if (line_read) + free(line_read); + + line_read = readline(prompt); + + if (!line_read) { + printm(M_BARE, "\n"); + break; + } + + if (*line_read) + add_history(line_read); + + line = line_read; + line = line.trim(); + endline = ""; + + /* Splitting the line between ;; */ + while (line.strlen()) { + runit = false; + + if ((pos = line.strstr(";;")) >= 0) { + endline = line.extract(pos + 2); + line = line.extract(0, pos); + runit = true; + } else { + endline = ""; + } + + if (line[line.strlen() - 1] == '\\') { + line[line.strlen() - 1] = ' '; + } else if (auto_exec) { + runit = true; + } + + command << line; + + if (runit) { + try { + L->load(&command); + } + catch (LuaException e) { + /* If there was an error, ignore it, and free the stack */ + while(L->gettop()) + L->pop(); + printm(M_ERROR, "%s\n", e.GetMsg()); + } + catch (GeneralException e) { + /* A more severe exception... */ + while(L->gettop()) + L->pop(); + printm(M_ERROR, "Aborted. LUA caused the following exception: %s\n", e.GetMsg()); + } + strcpy(prompt, "> "); + } else { + strcpy(prompt, "- "); + command << "\n"; + } + line = endline.trim(); + } + } + + return 0; +} +CODE_ENDS |