I have modified EvaluateExpr for newer versions of lua.
This makes global variables display properly.
Expression does not want to work and I really have no idea why.
The code is right must be some string conflict problems.
bool wxLuaDebugTarget::EvaluateExpr(int exprRef, const wxString
&strExpr) // FIXME - check this code
{
wxString strResult(wxT("Error"));
int nReference = LUA_NOREF;
EnterLuaCriticalSection();
{
lua_State* L = m_wxlState.GetLuaState();
int nOldTop = lua_gettop(L);
if (wxStrpbrk(strExpr.c_str(), wxT(" ~=<>+-*/%(){}[]:;,.\"'"))
!= NULL)
{
// an expression
wxLuaCharBuffer charbuf(strExpr);
int nResult = luaL_loadbuffer(L, charbuf.GetData(),
charbuf.Length(), "debug");
if (nResult == 0)
nResult = lua_pcall(L, 0, LUA_MULTRET, 0); // call main
if (nResult != 0)
wxlua_pushwxString(L, wxlua_LUA_ERR_msg(nResult));
else if (lua_gettop(L) == nOldTop)
lua_pushliteral(L, "OK");
nReference = m_wxlState.wxluaR_Ref(-1,
&wxlua_lreg_refs_key);
lua_settop(L, nOldTop); // throw out all return values
}
else
{
lua_Debug ar = INIT_LUA_DEBUG;
int stack_level = 0; // 0 is the current running
function
bool variable_found = false;
while (lua_getstack(L, stack_level++, &ar) != 0)
{
int stack_index = 1; // 1 is the first local stack index
wxString name = lua2wx(lua_getlocal(L, &ar,
stack_index));
while (!name.IsEmpty())
{
if (strExpr == name)
{
nReference = m_wxlState.wxluaR_Ref(-1,
&wxlua_lreg_refs_key);
lua_pop(L, 1);
variable_found = true;
break;
}
lua_pop(L, 1);
name = lua2wx(lua_getlocal(L, &ar, ++stack_index));
}
if (variable_found)
break;
}
lua_settop(L, nOldTop); // the table of globals.
if (!variable_found)
{
#if LUA_VERSION_NUM < 502
lua_pushvalue(L, LUA_GLOBALSINDEX);
lua_pushnil(L);
while (lua_next(L, -2) != 0)
{
if (lua_type(L, -2) == LUA_TSTRING)
{
wxString name = lua2wx(lua_tostring(L, -2));
if (strExpr == name)
{
nReference = m_wxlState.wxluaR_Ref(-1,
&wxlua_lreg_refs_key); // reference value
lua_pop(L, 2); // pop key and value
variable_found = true;
break;
}
}
lua_pop(L, 1); // removes 'value';
}
#else
lua_getglobal(L, strExpr);
if (lua_type(L, -1) != LUA_TNONE)
{
nReference = m_wxlState.wxluaR_Ref(-1,
&wxlua_lreg_refs_key); // reference value
}
lua_pop(L, 1);
#endif
}
lua_settop(L, nOldTop); // the table of globals.
}
if ((nReference != LUA_NOREF) &&
m_wxlState.wxluaR_GetRef(nReference, &wxlua_lreg_refs_key))
{
m_wxlState.wxluaR_Unref(nReference, &wxlua_lreg_refs_key);
int wxl_type = 0;
wxString value;
wxLuaDebugData::GetTypeValue(L, -1, &wxl_type, value);
strResult.Printf(wxT("%s : %s"), wxluaT_typename(L,
wxl_type).c_str(), value.c_str());
lua_pop(L, 1);
}
}
LeaveLuaCriticalSection();
return NotifyEvaluateExpr(exprRef, strResult);
}
Good luck
Andre
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