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Code Issues Releases Wiki Activity

Lua: Fixed an issue that unneeded stack elements aren't popped.

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This commit is contained in:
spx
2011-02-09 06:10:25 +00:00
parent cde1e517ac
commit bf6d081600
2 changed files with 25 additions and 23 deletions
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31
Library/lua/LuaScript.cpp
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@ -7,7 +7,7 @@ LuaScript::LuaScript(lua_State* p_pState, const char* p_strFile, const char* p_s
m_bInitialized(true)
{
int result = luaL_loadfile(m_pState, p_strFile);
// If the file loaded okay.
if (result == 0)
{
@ -42,12 +42,14 @@ LuaScript::LuaScript(lua_State* p_pState, const char* p_strFile, const char* p_s
{
m_bInitialized = false;
LuaManager::LuaLog(LOG_ERROR, "Script: Could not run file: %s", lua_tostring(m_pState, -1));
lua_pop(m_pState, 1);
}
}
else
{
m_bInitialized = false;
LuaManager::LuaLog(LOG_ERROR, "Script: Could not run file: %s", lua_tostring(m_pState, -1));
lua_pop(m_pState, 1);
}
}
@ -85,6 +87,8 @@ void LuaScript::BindVariable(const char* p_strName, void* p_pValue, const char*
double LuaScript::RunFunctionDouble(const char* p_strFuncName)
{
double result = -1;
if (m_bInitialized && p_strFuncName)
{
// Push our table onto the stack
@ -104,21 +108,20 @@ double LuaScript::RunFunctionDouble(const char* p_strFuncName)
LuaManager::LuaLog(LOG_ERROR, "Script: Function '%s:%s' must return a number", m_strTableName, p_strFuncName);
}
double d = lua_tonumber(m_pState, -1);
lua_pop(m_pState, 1);
return d;
result = lua_tonumber(m_pState, -1);
}
lua_pop(m_pState, 1);
// Pop both the table and the return value off the stack.
lua_pop(m_pState, 2);
}
return -1;
return result;
}
std::wstring LuaScript::RunFunctionString(const char* p_strFuncName)
{
std::wstring result;
if (m_bInitialized && p_strFuncName)
{
// Push our table onto the stack
@ -139,16 +142,14 @@ std::wstring LuaScript::RunFunctionString(const char* p_strFuncName)
}
const char* str = lua_tostring(m_pState, -1);
lua_pop(m_pState, 1);
return ConvertToWide(str);
result = ConvertToWide(str);
}
lua_pop(m_pState, 1);
// Pop both the table and the return value off the stack.
lua_pop(m_pState, 2);
}
return L"";
return result;
}
void LuaScript::RunFunction(const char* p_strFuncName)
@ -182,7 +183,7 @@ bool LuaScript::FunctionExists(const char* p_strFuncName)
// Push the function onto the stack
lua_getfield(m_pState, -1, p_strFuncName);
if (lua_isfunction( m_pState, lua_gettop(m_pState)))
if (lua_isfunction( m_pState, -1))
{
bExists = true;
}