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source: code/trunk/src/external/tolua/tolua.c @ 6839

Last change on this file since 6839 was 5738, checked in by landauf, 15 years ago

merged libraries2 back to trunk

  • Property svn:eol-style set to native
File size: 5.4 KB
Line 
1/* tolua
2** Support code for Lua bindings.
3** Written by Waldemar Celes
4** TeCGraf/PUC-Rio
5** Aug 2003
6** $Id:$
7** Extension by Orxonox (Reto Grieder) to support working directory
8** and direct usage of lua files. (2008)
9*/
10
11/* This code is free software; you can redistribute it and/or modify it.
12** The software provided hereunder is on an "as is" basis, and
13** the author has no obligation to provide maintenance, support, updates,
14** enhancements, or modifications.
15*/
16
17#include "tolua++.h"
18
19#include "lua.h"
20#include "lualib.h"
21#include "lauxlib.h"
22
23#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26
27
28static void help (void)
29{
30 fprintf(stderr,"\n"
31         "usage: tolua++ [options] input_file\n"
32         "\n"
33         "Command line options are:\n"
34         "  -v       : print version information.\n"
35         "  -o  file : set output file; default is stdout.\n"
36         "  -H  file : create include file.\n"
37         "  -n  name : set package name; default is input file root name.\n"
38         "  -w  directory : set working directory; default is location of package file.\n"
39         "  -s  file : specify source lua code for the parser; all.lua is default.\n"
40         "  -p       : parse only.\n"
41         "  -P       : parse and print structure information (for debug).\n"
42         "  -S       : disable support for c++ strings.\n"
43         "  -1       : substract 1 to operator[] index (for compatibility with tolua5).\n"
44         "  -L  file : run lua file (with dofile()) before doing anything.\n"
45         "  -D       : disable automatic exporting of destructors for classes that have\n"
46         "             constructors (for compatibility with tolua5)\n"
47         "  -W       : disable warnings for unsupported features (for compatibility\n"
48         "             with tolua5)\n"
49         "  -C       : disable cleanup of included lua code (for easier debugging)\n"
50         "  -E  value[=value] : add extra values to the luastate\n"
51         "  -t       : export a list of types asociates with the C++ typeid name\n"
52         "  -h       : print this message.\n"
53         "Should the input file be omitted, stdin is assumed;\n"
54         "in that case, the package name must be explicitly set.\n\n"
55        );
56}
57
58static void version (void)
59{
60 fprintf(stderr, "%s (written by W. Celes, A. Manzur)\n",TOLUA_VERSION);
61}
62
63static void setfield (lua_State* L, int table, char* f, char* v)
64{
65 lua_pushstring(L,f);
66 lua_pushstring(L,v);
67 lua_settable(L,table);
68}
69
70static void add_extra (lua_State* L, char* value) {
71 int len;
72 lua_getglobal(L, "_extra_parameters");
73 len = luaL_getn(L, -1);
74 lua_pushstring(L, value);
75 lua_rawseti(L, -2, len+1);
76 lua_pop(L, 1);
77};
78
79static void error (char* o)
80{
81 fprintf(stderr,"tolua: unknown option '%s'\n",o);
82 help();
83 exit(1);
84}
85
86int main (int argc, char* argv[])
87{
88 char* working_directory = "";
89 char* lua_source = "";
90
91 #ifdef LUA_VERSION_NUM /* lua 5.1 */
92 lua_State* L = luaL_newstate();
93 luaL_openlibs(L);
94 #else
95 lua_State* L = lua_open();
96 luaopen_base(L);
97 luaopen_io(L);
98 luaopen_string(L);
99 luaopen_table(L);
100 luaopen_math(L);
101 luaopen_debug(L);
102 #endif
103
104 lua_pushstring(L,TOLUA_VERSION); lua_setglobal(L,"TOLUA_VERSION");
105 lua_pushstring(L,LUA_VERSION); lua_setglobal(L,"TOLUA_LUA_VERSION");
106
107
108 if (argc==1)
109 {
110  help();
111  return 0;
112 }
113 else
114 {
115  int i, t;
116  lua_newtable(L);
117  lua_setglobal(L, "_extra_parameters");
118  lua_newtable(L);
119  lua_pushvalue(L,-1);
120  lua_setglobal(L,"flags");
121  t = lua_gettop(L);
122  for (i=1; i<argc; ++i)
123  {
124   if (*argv[i] == '-')
125   {
126    switch (argv[i][1])
127    {
128     case 'v': version(); return 0;
129     case 'h': help(); return 0;
130     case 'p': setfield(L,t,"p",""); break;
131     case 'P': setfield(L,t,"P",""); break;
132     case 'o': setfield(L,t,"o",argv[++i]); break;
133     case 'n': setfield(L,t,"n",argv[++i]); break;
134     case 'H': setfield(L,t,"H",argv[++i]); break;
135     case 'w':
136      working_directory = argv[++i];
137      setfield(L,t,"w",argv[i]);
138      break;
139     case 's':
140      lua_source = argv[++i];
141      setfield(L,t,"s",argv[i]);
142      break;
143     case 'S': setfield(L,t,"S",""); break;
144     case '1': setfield(L,t,"1",""); break;
145     case 'L': setfield(L,t,"L",argv[++i]); break;
146     case 'D': setfield(L,t,"D",""); break;
147     case 'W': setfield(L,t,"W",""); break;
148     case 'C': setfield(L,t,"C",""); break;
149     case 'E': add_extra(L,argv[++i]); break;
150     case 't': setfield(L,t,"t",""); break;
151     default: error(argv[i]); break;
152    }
153   }
154   else
155   {
156    setfield(L,t,"f",argv[i]);
157    break;
158   }
159  }
160  lua_pop(L,1);
161 }
162
163 {
164  char path[BUFSIZ];
165  char file[BUFSIZ];
166  path[0] = '\0';
167  file[0] = '\0';
168
169  if (strlen(lua_source) > 0 &&
170      lua_source[0] != '/' &&
171      lua_source[0] != '\\' &&
172      strlen(lua_source) > 1 &&
173      lua_source[1] != ':')
174  {
175   /* Relative path, prefix working directory */
176   strcpy(path, working_directory);
177   /* Make sure there is '\\' or '/' at the end of the path */
178   if (strlen(path) > 0)
179   {
180    char last = path[strlen(path) - 1];
181    if (last != '\\' && last != '/')
182     strcat(path, "/");
183   }
184  }
185
186  strcat(path, lua_source);
187
188  /* Extract the full path */
189  {
190   char* p;
191   p = strrchr(path, '/');
192   if (p == NULL)
193    p = strrchr(path, '\\');
194   p = (p == NULL) ? path : p + 1;
195   strcpy(file, p);
196   *p = '\0';
197  }
198  if (strlen(file) == 0)
199   strcpy(file, "all.lua");
200
201  lua_pushstring(L, path);
202  lua_setglobal(L, "path");
203  strcat(path, file);
204#ifdef LUA_VERSION_NUM /* lua 5.1 */
205  luaL_dofile(L, path);
206#else
207  lua_dofile(L, path);
208#endif
209 }
210 return 0;
211}
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