Gobligine/third-party/lua-5.1.5/toluapp-simple/tolua.c
2021-11-24 15:32:57 -07:00

169 lines
4.5 KiB
C

/* tolua
** Support code for Lua bindings.
** Written by Waldemar Celes
** TeCGraf/PUC-Rio
** Aug 2003
** $Id:$
*/
/* This code is free software; you can redistribute it and/or modify it.
** The software provided hereunder is on an "as is" basis, and
** the author has no obligation to provide maintenance, support, updates,
** enhancements, or modifications.
*/
#include "tolua++.h"
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void help (void)
{
fprintf(stderr,"\n"
"usage: tolua++ [options] input_file\n"
"\n"
"Command line options are:\n"
" -v : print version information.\n"
" -o file : set output file; default is stdout.\n"
" -H file : create include file.\n"
" -n name : set package name; default is input file root name.\n"
" -p : parse only.\n"
" -P : parse and print structure information (for debug).\n"
" -S : disable support for c++ strings.\n"
" -1 : substract 1 to operator[] index (for compatibility with tolua5).\n"
" -L file : run lua file (with dofile()) before doing anything.\n"
" -D : disable automatic exporting of destructors for classes that have\n"
" constructors (for compatibility with tolua5)\n"
" -W : disable warnings for unsupported features (for compatibility\n"
" with tolua5)\n"
" -C : disable cleanup of included lua code (for easier debugging)\n"
" -E value[=value] : add extra values to the luastate\n"
" -t : export a list of types asociates with the C++ typeid name\n"
" -q : don't print warnings to the console\n"
" -h : print this message.\n"
"Should the input file be omitted, stdin is assumed;\n"
"in that case, the package name must be explicitly set.\n\n"
);
}
static void version (void)
{
fprintf(stderr, "%s (written by W. Celes, A. Manzur)\n",TOLUA_VERSION);
}
static void setfield (lua_State* L, int table, char* f, char* v)
{
lua_pushstring(L,f);
lua_pushstring(L,v);
lua_settable(L,table);
}
static void add_extra (lua_State* L, char* value) {
int len;
lua_getglobal(L, "_extra_parameters");
len = luaL_getn(L, -1);
lua_pushstring(L, value);
lua_rawseti(L, -2, len+1);
lua_pop(L, 1);
};
static void error (char* o)
{
fprintf(stderr,"tolua: unknown option '%s'\n",o);
help();
exit(1);
}
int main (int argc, char* argv[])
{
#ifdef LUA_VERSION_NUM /* lua 5.1 */
lua_State* L = luaL_newstate();
luaL_openlibs(L);
#else
lua_State* L = lua_open();
luaopen_base(L);
luaopen_io(L);
luaopen_string(L);
luaopen_table(L);
luaopen_math(L);
luaopen_debug(L);
#endif
lua_pushstring(L,TOLUA_VERSION); lua_setglobal(L,"TOLUA_VERSION");
lua_pushstring(L,LUA_VERSION); lua_setglobal(L,"TOLUA_LUA_VERSION");
if (argc==1)
{
help();
return 0;
}
else
{
int i, t;
lua_newtable(L);
lua_setglobal(L, "_extra_parameters");
lua_newtable(L);
lua_pushvalue(L,-1);
lua_setglobal(L,"flags");
t = lua_gettop(L);
for (i=1; i<argc; ++i)
{
if (*argv[i] == '-')
{
switch (argv[i][1])
{
case 'v': version(); return 0;
case 'h': help(); return 0;
case 'p': setfield(L,t,"p",""); break;
case 'P': setfield(L,t,"P",""); break;
case 'o': setfield(L,t,"o",argv[++i]); break;
case 'n': setfield(L,t,"n",argv[++i]); break;
case 'H': setfield(L,t,"H",argv[++i]); break;
case 'S': setfield(L,t,"S",""); break;
case '1': setfield(L,t,"1",""); break;
case 'L': setfield(L,t,"L",argv[++i]); break;
case 'D': setfield(L,t,"D",""); break;
case 'W': setfield(L,t,"W",""); break;
case 'C': setfield(L,t,"C",""); break;
case 'E': add_extra(L,argv[++i]); break;
case 't': setfield(L,t,"t",""); break;
case 'q': setfield(L,t,"q",""); break;
default: error(argv[i]); break;
}
}
else
{
setfield(L,t,"f",argv[i]);
break;
}
}
lua_pop(L,1);
}
/* #define TOLUA_SCRIPT_RUN */
#ifndef TOLUA_SCRIPT_RUN
{
int tolua_tolua_open (lua_State* L);
tolua_tolua_open(L);
}
#else
{
char* p;
char path[BUFSIZ];
strcpy(path,argv[0]);
p = strrchr(path,'/');
if (p==NULL) p = strrchr(path,'\\');
p = (p==NULL) ? path : p+1;
sprintf(p,"%s","../src/bin/lua/");
lua_pushstring(L,path); lua_setglobal(L,"path");
strcat(path,"all.lua");
lua_dofile(L,path);
}
#endif
return 0;
}