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Commit FS#9174: Lua scripting language by Dan Everton

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21020 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-05-21 19:01:41 +00:00
parent c483efadc6
commit cf87597226
73 changed files with 20254 additions and 2 deletions
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105
apps/plugins/lua/rocklua.c Normal file
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@ -0,0 +1,105 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 Dan Everton (safetydan)
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "lib/pluginlib_exit.h"
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include "rocklib.h"
#include "rockmalloc.h"
PLUGIN_HEADER
static const luaL_Reg lualibs[] = {
{"", luaopen_base},
{LUA_TABLIBNAME, luaopen_table},
{LUA_STRLIBNAME, luaopen_string},
{LUA_ROCKLIBNAME, luaopen_rock},
{NULL, NULL}
};
static void rocklua_openlibs(lua_State *L) {
const luaL_Reg *lib = lualibs;
for (; lib->func; lib++) {
lua_pushcfunction(L, lib->func);
lua_pushstring(L, lib->name);
lua_call(L, 1, 0);
}
}
char curpath[MAX_PATH];
static void fill_curpath(const char* filename)
{
char* pos = rb->strrchr(filename, '/');
if(pos != NULL)
{
int len = (int)(pos - filename);
if(len > 0)
memcpy(curpath, filename, len);
curpath[len] = '\0';
}
}
/***************** Plugin Entry Point *****************/
enum plugin_status plugin_start(const void* parameter)
{
const char* filename;
int status;
PLUGINLIB_EXIT_INIT
if (parameter == NULL)
{
rb->splash(HZ, "Play a .lua file!");
return PLUGIN_ERROR;
}
else
{
filename = (char*) parameter;
fill_curpath(filename);
lua_State *L = luaL_newstate();
rocklua_openlibs(L);
status = luaL_loadfile(L, filename);
if (!status) {
rb->lcd_clear_display();
status = lua_pcall(L, 0, 0, 0);
}
dlmalloc_stats();
if (status) {
rb->splashf(5 * HZ, "%s", lua_tostring(L, -1));
lua_pop(L, 1);
}
lua_close(L);
}
return PLUGIN_OK;
}