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@ -23,20 +23,14 @@
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extern "C"
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{
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#ifdef max
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# undef max
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#endif
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#include "lualib.h"
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}
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}
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#ifdef NL_OS_WINDOWS
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# ifndef NL_EXTENDED_FOR_SCOPE
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# undef for
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# endif
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#endif
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#undef new
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// to get rid of you_must_not_use_assert___use_nl_assert___read_debug_h_file messages
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#include <cassert>
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#undef assert
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#define assert nlassert
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#include <luabind/luabind.hpp>
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#define new NL_NEW
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using namespace std;
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using namespace NLMISC;
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@ -57,30 +51,91 @@ void CLuaStackChecker::decrementExceptionContextCounter()
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nlassert(_ExceptionContextCounter > 0);
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-- _ExceptionContextCounter;
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}
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#ifdef LUA_NEVRAX_VERSION
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ILuaIDEInterface *LuaDebuggerIDE = NULL;
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static bool LuaDebuggerVisible = false;
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#endif
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#ifdef NL_OS_WINDOWS
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HMODULE LuaDebuggerModule = 0;
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#endif
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void luaDebuggerMainLoop()
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{
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#ifdef LUA_NEVRAX_VERSION
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if (!LuaDebuggerIDE) return;
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if (!LuaDebuggerVisible)
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{
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LuaDebuggerIDE->showDebugger(true);
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LuaDebuggerIDE->expandProjectTree();
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LuaDebuggerIDE->sortFiles();
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LuaDebuggerVisible = true;
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}
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LuaDebuggerIDE->doMainLoop();
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#endif
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}
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static std::allocator<uint8> l_stlAlloc;
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static void l_free_func(void *block, int oldSize)
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{
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l_stlAlloc.deallocate((uint8 *) block, oldSize);
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}
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static void *l_realloc_func(void *b, int os, int s)
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{
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if (os == s) return b;
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void *newB = l_stlAlloc.allocate(s);
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memcpy(newB, b, std::min(os, s));
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l_free_func(b, os);
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return newB;
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}
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const int MinGCThreshold = 128; // min value at which garbage collector will be triggered (in kilobytes)
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// ***************************************************************************
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CLuaState::CLuaState()
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{
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{
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_State = NULL;
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#ifdef LUA_NEVRAX_VERSION
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_State = lua_open(NULL, NULL);
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#else
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_State = lua_open();
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_GCThreshold = MinGCThreshold;
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#endif
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nlassert(_State);
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if (!_State)
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{
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#ifdef LUA_NEVRAX_VERSION
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_State = lua_open(l_realloc_func, l_free_func);
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#else
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_State = lua_open();
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#endif
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nlassert(_State);
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}
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// *** Load base libs
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{
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CLuaStackChecker lsc(this);
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#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 501
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luaL_openlibs(_State);
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#else
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luaopen_base (_State);
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luaopen_table (_State);
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luaopen_io (_State);
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luaopen_string (_State);
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luaopen_math (_State);
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luaopen_debug (_State);
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#endif
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// open are buggy????
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clear();
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}
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// *** Register basics
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CLuaStackChecker lsc(this);
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@ -88,15 +143,15 @@ CLuaState::CLuaState()
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pushLightUserData((void *) this);
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newTable();
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push("classes");
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newTable(); // registry class
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newTable(); // registry class
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setTable(-3);
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setTable(LUA_REGISTRYINDEX);
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// add pointer from lua state to this CLuaState object
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// do: LUA_REGISTRYINDEX.(lightuserdata*)_State= this
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pushLightUserData((void *) _State); // NB : as creator of the state, we make the assumption that
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// no one will be using this pointer in the registry (cf. ref manual about registry)
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pushLightUserData((void *) this);
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// no one will be using this pointer in the registry (cf. ref manual about registry)
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pushLightUserData((void *) this);
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setTable(LUA_REGISTRYINDEX);
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// Create the Table that contains Function cache for small script execution
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@ -111,7 +166,7 @@ CLuaState::CLuaState()
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// ***************************************************************************
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CLuaStackRestorer::CLuaStackRestorer(CLuaState *state, int finalSize) : _State(state), _FinalSize(finalSize)
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CLuaStackRestorer::CLuaStackRestorer(CLuaState *state, int finalSize) : _State(state), _FinalSize(finalSize)
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{
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}
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@ -122,11 +177,43 @@ CLuaStackRestorer::~CLuaStackRestorer()
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_State->setTop(_FinalSize);
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}
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#ifdef NL_OS_WINDOWS
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static int NoOpReportHook( int /* reportType */, char * /* message */, int * /* returnValue */ )
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{
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return TRUE;
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}
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#endif
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// ***************************************************************************
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CLuaState::~CLuaState()
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{
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nlassert(_State);
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lua_close(_State);
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nlassert(_State);
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#ifdef LUA_NEVRAX_VERSION
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if (!LuaDebuggerIDE)
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#else
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if (1)
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#endif
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{
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lua_close(_State);
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}
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else
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{
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#ifdef LUA_NEVRAX_VERSION
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LuaDebuggerIDE->stopDebug(); // this will also close the lua state
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LuaDebuggerIDE = NULL;
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LuaDebuggerVisible = false;
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#ifdef NL_OS_WINDOWS
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nlassert(LuaDebuggerModule)
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_CrtSetReportHook(NoOpReportHook); // prevent dump of memory leaks at this point
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//::FreeLibrary(LuaDebuggerModule); // don't free the library now (seems that it destroy, the main window, causing
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// a crash when the app window is destroyed for real...
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// -> FreeLibrary will be called when the application is closed
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LuaDebuggerModule = 0;
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#endif
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#endif
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}
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// Clear Small Script Cache
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_SmallScriptPool= 0;
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@ -135,7 +222,7 @@ CLuaState::~CLuaState()
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// ***************************************************************************
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CLuaState *CLuaState::fromStatePointer(lua_State *state)
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{
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{
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nlassert(state);
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int initialStackSize = lua_gettop(state);
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lua_checkstack(state, initialStackSize + 2);
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@ -161,9 +248,10 @@ struct CLuaReader
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void CLuaState::loadScript(const std::string &code, const std::string &dbgSrc)
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{
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if (code.empty()) return;
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struct CHelper
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{
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static const char *luaChunkReaderFromString(lua_State *L, void *ud, size_t *sz)
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static const char *luaChunkReaderFromString(lua_State * /* L */, void *ud, size_t *sz)
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{
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CLuaReader *rd = (CLuaReader *) ud;
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if (!rd->Done)
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@ -182,6 +270,7 @@ void CLuaState::loadScript(const std::string &code, const std::string &dbgSrc)
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CLuaReader rd;
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rd.Str = &code;
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rd.Done = false;
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int result = lua_load(_State, CHelper::luaChunkReaderFromString, (void *) &rd, dbgSrc.c_str());
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if (result !=0)
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{
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@ -190,17 +279,17 @@ void CLuaState::loadScript(const std::string &code, const std::string &dbgSrc)
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pop();
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// throw error
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throw ELuaParseError(err);
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}
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}
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}
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// ***************************************************************************
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void CLuaState::executeScriptInternal(const std::string &code, const std::string &dbgSrc, int numRet)
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{
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CLuaStackChecker lsc(this, numRet);
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CLuaStackChecker lsc(this, numRet);
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// load the script
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loadScript(code, dbgSrc);
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// execute
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if (pcall(0, numRet) != 0)
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{
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@ -240,7 +329,16 @@ bool CLuaState::executeFile(const std::string &pathName)
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CIFile inputFile;
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if(!inputFile.open(pathName))
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return false;
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#ifdef LUA_NEVRAX_VERSION
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if (LuaDebuggerIDE)
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{
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std::string path = NLMISC::CPath::getCurrentPath() + "/" + pathName.c_str();
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path = CPath::standardizeDosPath(path);
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LuaDebuggerIDE->addFile(path.c_str());
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}
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#endif
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// load the script text
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string script;
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/*
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@ -253,9 +351,9 @@ bool CLuaState::executeFile(const std::string &pathName)
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}
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*/
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script.resize(NLMISC::CFile::getFileSize(pathName));
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inputFile.serialBuffer((uint8 *) &script[0], script.size());
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inputFile.serialBuffer((uint8 *) &script[0], (uint)script.size());
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// execute the script text, with dbgSrc==filename (use @ for lua internal purpose)
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executeScriptInternal(script, string("@") + NLMISC::CFile::getFilename(pathName));
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@ -265,15 +363,16 @@ bool CLuaState::executeFile(const std::string &pathName)
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// ***************************************************************************
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void CLuaState::executeSmallScript(const std::string &script)
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{
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if (script.empty()) return;
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// *** if the small script has not already been called before, parse it now
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TSmallScriptCache::iterator it= _SmallScriptCache.find(script);
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if(it==_SmallScriptCache.end())
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{
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CLuaStackChecker lsc(this);
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CLuaStackChecker lsc(this);
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// add it to a function
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loadScript(script, script);
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// Assign the method to the NEL table: NELSmallScriptTable[_SmallScriptPool]= function
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push(_NELSmallScriptTableName); // 1:function 2:NelTableName
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getTable(LUA_REGISTRYINDEX); // 1:function 2:NelTable
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@ -289,7 +388,7 @@ void CLuaState::executeSmallScript(const std::string &script)
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}
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// *** Execute the function associated to the script
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CLuaStackChecker lsc(this);
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CLuaStackChecker lsc(this);
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push(_NELSmallScriptTableName); // 1:NelTableName
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getTable(LUA_REGISTRYINDEX); // 1:NelTable
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// get the function at the given index in the "NELSmallScriptTable" table
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@ -311,12 +410,11 @@ void CLuaState::executeSmallScript(const std::string &script)
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// Stack: 1:NelTable
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pop(); // ....
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}
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}
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// ***************************************************************************
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void CLuaState::registerFunc(const char *name, lua_CFunction function)
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{
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{
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lua_register(_State, name, function);
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}
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@ -355,7 +453,7 @@ void CLuaState::push(TLuaWrappedFunction function)
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lua_pushstring(ls, e.what());
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// TODO : see if this is safe to call lua error there" ... (it does a long jump)
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lua_error(ls);
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}
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}
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return numResults;
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}
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};
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@ -446,16 +544,16 @@ int CLuaState::pcallByName(const char *functionName, int nargs, int nresults
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nlassert(functionName);
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nlassert(isTable(funcTableIndex));
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pushValue(funcTableIndex);
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push(functionName);
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push(functionName);
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getTable(-2);
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remove(-2); // get rid of the table
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nlassert(getTop() >= nargs); // not enough arguments on the stack
|
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|
|
|
// insert function before its arguments
|
|
|
|
|
insert(- 1 - nargs);
|
|
|
|
|
int result = pcall(nargs, nresults, errfunc);
|
|
|
|
|
insert(- 1 - nargs);
|
|
|
|
|
int result = pcall(nargs, nresults, errfunc);
|
|
|
|
|
int currSize = getTop();
|
|
|
|
|
if (result == 0)
|
|
|
|
|
{
|
|
|
|
|
{
|
|
|
|
|
nlassert(currSize == initialStackSize - nargs + nresults);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
@ -488,7 +586,7 @@ void CLuaState::dumpStack()
|
|
|
|
|
// ***************************************************************************
|
|
|
|
|
void CLuaState::getStackAsString(std::string &dest)
|
|
|
|
|
{
|
|
|
|
|
dest = NLMISC::toString("Stack size = %d\n", getTop());
|
|
|
|
|
dest = NLMISC::toString("Stack size = %d\n", getTop());
|
|
|
|
|
CLuaStackChecker lsc(this);
|
|
|
|
|
for(int k = 1; k <= getTop(); ++k)
|
|
|
|
|
{
|
|
|
|
|
@ -512,10 +610,10 @@ CLuaStackChecker::~CLuaStackChecker()
|
|
|
|
|
if (assertWanted)
|
|
|
|
|
{
|
|
|
|
|
nlwarning("Lua stack size error : expected size is %d, current size is %d", _FinalWantedSize, currSize);
|
|
|
|
|
_State->dumpStack();
|
|
|
|
|
_State->dumpStack();
|
|
|
|
|
nlassert(0);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
@ -527,37 +625,102 @@ CLuaStackChecker::~CLuaStackChecker()
|
|
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
|
|
|
void ELuaWrappedFunctionException::init(CLuaState *ls, const std::string &reason)
|
|
|
|
|
{
|
|
|
|
|
/* // Print first Lua Stack Context
|
|
|
|
|
CInterfaceManager *pIM= CInterfaceManager::getInstance();
|
|
|
|
|
{
|
|
|
|
|
// Print first Lua Stack Context
|
|
|
|
|
/*
|
|
|
|
|
CInterfaceManager *pIM= CInterfaceManager::getInstance();
|
|
|
|
|
if(ls)
|
|
|
|
|
{
|
|
|
|
|
ls->getStackContext(_Reason, 1); // 1 because 0 is the current C function => return 1 for script called
|
|
|
|
|
// enclose with cool colors
|
|
|
|
|
pIM->formatLuaStackContext(_Reason);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
// Append the reason
|
|
|
|
|
_Reason+= reason;*/
|
|
|
|
|
_Reason+= reason;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
|
|
|
ELuaWrappedFunctionException::ELuaWrappedFunctionException(CLuaState *luaState)
|
|
|
|
|
{
|
|
|
|
|
init(luaState, "");
|
|
|
|
|
{
|
|
|
|
|
init(luaState, "");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
|
|
|
ELuaWrappedFunctionException::ELuaWrappedFunctionException(CLuaState *luaState, const std::string &reason)
|
|
|
|
|
{
|
|
|
|
|
{
|
|
|
|
|
init(luaState, reason);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
|
|
|
ELuaWrappedFunctionException::ELuaWrappedFunctionException(CLuaState *luaState, const char *format, ...)
|
|
|
|
|
{
|
|
|
|
|
{
|
|
|
|
|
//H_AUTO(Lua_ELuaWrappedFunctionException_ELuaWrappedFunctionException)
|
|
|
|
|
std::string reason;
|
|
|
|
|
NLMISC_CONVERT_VARGS (reason, format, NLMISC::MaxCStringSize);
|
|
|
|
|
NLMISC_CONVERT_VARGS (reason, format, NLMISC::MaxCStringSize);
|
|
|
|
|
init(luaState, reason);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//================================================================================
|
|
|
|
|
void CLuaState::newTable()
|
|
|
|
|
{
|
|
|
|
|
nlverify( lua_checkstack(_State, 1) );
|
|
|
|
|
lua_newtable(_State);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//================================================================================
|
|
|
|
|
int CLuaState::getGCCount()
|
|
|
|
|
{
|
|
|
|
|
return lua_getgccount(_State);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//================================================================================
|
|
|
|
|
int CLuaState::getGCThreshold()
|
|
|
|
|
{
|
|
|
|
|
//H_AUTO(Lua_CLuaState_getGCThreshold)
|
|
|
|
|
#ifdef LUA_NEVRAX_VERSION
|
|
|
|
|
return _GCThreshold;
|
|
|
|
|
#else
|
|
|
|
|
# if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 501
|
|
|
|
|
return lua_gc(_State, LUA_GCCOUNT, 0);
|
|
|
|
|
# else
|
|
|
|
|
return lua_getgcthreshold(_State);
|
|
|
|
|
# endif
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//================================================================================
|
|
|
|
|
void CLuaState::setGCThreshold(int kb)
|
|
|
|
|
{
|
|
|
|
|
//H_AUTO(Lua_CLuaState_setGCThreshold)
|
|
|
|
|
#ifdef LUA_NEVRAX_VERSION
|
|
|
|
|
_GCThreshold = kb;
|
|
|
|
|
handleGC();
|
|
|
|
|
#else
|
|
|
|
|
# if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 501
|
|
|
|
|
lua_gc(_State, LUA_GCCOLLECT, kb);
|
|
|
|
|
# else
|
|
|
|
|
lua_setgcthreshold(_State, kb);
|
|
|
|
|
# endif
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//================================================================================
|
|
|
|
|
void CLuaState::handleGC()
|
|
|
|
|
{
|
|
|
|
|
//H_AUTO(Lua_CLuaState_handleGC)
|
|
|
|
|
#ifdef LUA_NEVRAX_VERSION
|
|
|
|
|
// must handle gc manually with the refcounted version
|
|
|
|
|
int gcCount = getGCCount();
|
|
|
|
|
if (gcCount >= _GCThreshold)
|
|
|
|
|
{
|
|
|
|
|
nlwarning("Triggering GC : memory in use = %d kb, current threshold = %d kb", gcCount, _GCThreshold);
|
|
|
|
|
lua_setgcthreshold(_State, 0);
|
|
|
|
|
gcCount = getGCCount();
|
|
|
|
|
_GCThreshold = std::max(MinGCThreshold, gcCount * 2);
|
|
|
|
|
nlwarning("After GC : memory in use = %d kb, threshold = %d kb", gcCount, _GCThreshold);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
kervala
15 years ago