- Refactored Lua C++ bindings

- Removed tolua++
This commit is contained in:
Birunthan Mohanathas
2012-03-09 10:28:25 +00:00
parent cea569c0b6
commit 7767300379
18 changed files with 255 additions and 2659 deletions

View File

@ -25,55 +25,55 @@
** The constructor
**
*/
LuaScript::LuaScript(lua_State* state, const char* file) : m_State(state),
m_iRef(LUA_NOREF),
LuaScript::LuaScript(const char* file) :
m_Ref(LUA_NOREF),
m_Initialized(true)
{
int result = luaL_loadfile(m_State, file);
int result = luaL_loadfile(LuaManager::GetState(), file);
// If the file loaded okay.
if (result == 0)
{
// Create the table this script will reside in
lua_newtable(m_State);
lua_newtable(LuaManager::GetState());
// Create the metatable that will store the global table
lua_createtable(m_State, 0, 1);
lua_createtable(LuaManager::GetState(), 0, 1);
// Push the global teble
lua_pushvalue(m_State, LUA_GLOBALSINDEX);
lua_pushvalue(LuaManager::GetState(), LUA_GLOBALSINDEX);
// Set the __index of the table to be the global table
lua_setfield(m_State, -2, "__index");
lua_setfield(LuaManager::GetState(), -2, "__index");
// Set the metatable for the script's table
lua_setmetatable(m_State, -2);
lua_setmetatable(LuaManager::GetState(), -2);
// Put the table into the global table
m_iRef = luaL_ref(m_State, LUA_GLOBALSINDEX);
m_Ref = luaL_ref(LuaManager::GetState(), LUA_GLOBALSINDEX);
PushTable();
lua_rawgeti(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
// Set the environment for the function to be run in to be the table that
// has been created for the script/
lua_setfenv(m_State, -2);
lua_setfenv(LuaManager::GetState(), -2);
// Execute the Lua script
result = lua_pcall(m_State, 0, 0, 0);
result = lua_pcall(LuaManager::GetState(), 0, 0, 0);
if (result)
{
m_Initialized = false;
LuaManager::ReportErrors(m_State);
LuaManager::ReportErrors(LuaManager::GetState());
luaL_unref(m_State, LUA_GLOBALSINDEX, m_iRef);
m_iRef = LUA_NOREF;
luaL_unref(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
m_Ref = LUA_NOREF;
}
}
else
{
m_Initialized = false;
LuaManager::ReportErrors(m_State);
LuaManager::ReportErrors(LuaManager::GetState());
}
}
@ -83,7 +83,7 @@ LuaScript::LuaScript(lua_State* state, const char* file) : m_State(state),
*/
LuaScript::~LuaScript()
{
luaL_unref(m_State, LUA_GLOBALSINDEX, m_iRef);
luaL_unref(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
}
/*
@ -97,18 +97,18 @@ bool LuaScript::IsFunction(const char* funcName)
if (m_Initialized)
{
// Push our table onto the stack
PushTable();
lua_rawgeti(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
// Push the function onto the stack
lua_getfield(m_State, -1, funcName);
lua_getfield(LuaManager::GetState(), -1, funcName);
if (lua_isfunction(m_State, -1))
if (lua_isfunction(LuaManager::GetState(), -1))
{
bExists = true;
}
// Pop both the table and the function off the stack.
lua_pop(m_State, 2);
lua_pop(LuaManager::GetState(), 2);
}
return bExists;
@ -123,17 +123,17 @@ void LuaScript::RunFunction(const char* funcName)
if (m_Initialized)
{
// Push our table onto the stack
PushTable();
lua_rawgeti(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
// Push the function onto the stack
lua_getfield(m_State, -1, funcName);
lua_getfield(LuaManager::GetState(), -1, funcName);
if (lua_pcall(m_State, 0, 0, 0))
if (lua_pcall(LuaManager::GetState(), 0, 0, 0))
{
LuaManager::ReportErrors(m_State);
LuaManager::ReportErrors(LuaManager::GetState());
}
lua_pop(m_State, 1);
lua_pop(LuaManager::GetState(), 1);
}
}
@ -148,31 +148,31 @@ int LuaScript::RunFunctionWithReturn(const char* funcName, double& numValue, std
if (m_Initialized)
{
// Push our table onto the stack
PushTable();
lua_rawgeti(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
// Push the function onto the stack
lua_getfield(m_State, -1, funcName);
lua_getfield(LuaManager::GetState(), -1, funcName);
if (lua_pcall(m_State, 0, 1, 0))
if (lua_pcall(LuaManager::GetState(), 0, 1, 0))
{
LuaManager::ReportErrors(m_State);
lua_pop(m_State, 1);
LuaManager::ReportErrors(LuaManager::GetState());
lua_pop(LuaManager::GetState(), 1);
}
else
{
type = lua_type(m_State, -1);
type = lua_type(LuaManager::GetState(), -1);
if (type == LUA_TNUMBER)
{
numValue = lua_tonumber(m_State, -1);
numValue = lua_tonumber(LuaManager::GetState(), -1);
}
else if (type == LUA_TSTRING)
{
const char* str = lua_tostring(m_State, -1);
const char* str = lua_tostring(LuaManager::GetState(), -1);
strValue = ConvertToWide(str);
numValue = strtod(str, NULL);
}
lua_pop(m_State, 2);
lua_pop(LuaManager::GetState(), 2);
}
}
@ -188,20 +188,20 @@ void LuaScript::RunString(const char* str)
if (m_Initialized)
{
// Load the string as a Lua chunk
if (luaL_loadstring(m_State, str))
if (luaL_loadstring(LuaManager::GetState(), str))
{
LuaManager::ReportErrors(m_State);
LuaManager::ReportErrors(LuaManager::GetState());
}
// Push our table onto the stack
PushTable();
lua_rawgeti(LuaManager::GetState(), LUA_GLOBALSINDEX, m_Ref);
// Pop table and set the environment of the loaded chunk to it
lua_setfenv(m_State, -2);
lua_setfenv(LuaManager::GetState(), -2);
if (lua_pcall(m_State, 0, 0, 0))
if (lua_pcall(LuaManager::GetState(), 0, 0, 0))
{
LuaManager::ReportErrors(m_State);
LuaManager::ReportErrors(LuaManager::GetState());
}
}
}