protected unsafe void DebugHook(UIntPtr L, IntPtr ptr) //unsafe for speed
{
LuaStackRecord *sr = (LuaStackRecord *)ptr;
BBLua.lua_getstack(L, 0, ptr);
if (sr->debugEvent == LuaEvent.Call)
{
this.callStack++;
}
else if (sr->debugEvent == LuaEvent.Return || sr->debugEvent == LuaEvent.TailReturn)
{
this.callStack--;
if ((this.callStack == 0) && //stepping into engine code is not possible -> resume
(this.CurrentRequest == DebugRequest.StepIn || this.CurrentRequest == DebugRequest.StepToLevel))
{
this.CurrentRequest = DebugRequest.Resume;
this.CurrentState = DebugState.Running;
FireStateChangedEvent();
}
}
// event == line
else if (this.CurrentRequest == DebugRequest.Pause || this.CurrentRequest == DebugRequest.StepIn)
{
NormalBreak();
}
else if (this.CurrentRequest == DebugRequest.StepToLevel && (this.callStack <= this.targetCallStackLevel))
{
NormalBreak();
}
// request == resume
else
{
List <Breakpoint> bpsAtLine;
if (!this.lineToBP.TryGetValue(sr->currentline, out bpsAtLine))
{
return; //no breakpoints on this line
}
BBLua.lua_getinfo(L, "S", ptr);
LuaDebugSourceRecord dr = (LuaDebugSourceRecord)Marshal.PtrToStructure(ptr, typeof(LuaDebugSourceRecord));
foreach (Breakpoint bp in bpsAtLine)
{
if (bp.File.Filename == dr.source)
{
NormalBreak();
break;
}
}
}
}
public static LuaFunctionInfo ReadFunctionInfo(LuaState ls, int level)
{
IntPtr memBlock = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(LuaDebugRecord)));
if (BBLua.lua_getstack(ls.L, level, memBlock) == 0)
{
return(null);
}
BBLua.lua_getinfo(ls.L, "nSlu", memBlock);
LuaDebugRecord ldr = (LuaDebugRecord)Marshal.PtrToStructure(memBlock, typeof(LuaDebugRecord));
LuaFunctionInfo lfi = new LuaFunctionInfo(memBlock, ls, ldr.nups);
if (ldr.source.Length > 1 && ldr.source[0] != '=')
{
lfi.Source = ldr.source;
lfi.Line = ldr.currentline;
}
else
{
lfi.Source = "unavailable";
lfi.Line = 0;
}
if (ldr.what == "C")
{
lfi.FunctionName = "Game Engine (direct call)";
}
else if (ldr.what == "main")
{
lfi.FunctionName = "Game Engine (code outside function)";
}
else if (ldr.name != "" && ldr.namewhat != "")
{
lfi.FunctionName = ldr.namewhat + " " + ldr.name + "()";
}
else if (ldr.what == "Lua" || ldr.what == "tail")
{
lfi.FunctionName = "Lua Code";
}
if (ls.LoadedFiles.ContainsKey(lfi.Source))
{
lfi.CanFakeEnvironment = true;
}
return(lfi);
}
public void FakeG()
{
this.fakedLocals = new List <FakeVar>();
this.fakedUpvalues = new List <FakeVar>();
if (!this.CanFakeEnvironment)
{
return;
}
string varName;
BBLua.lua_getinfo(ls.L, "f", this.funcInfo); // 'f': pushes func onto stack
for (int i = 1; ; i++)
{
varName = BBLua.lua_getupvalue(ls.L, -1, i);
if (varName == null)
{
break;
}
TryFakeVar(varName, i, this.fakedUpvalues);
}
BBLua.lua_settop(ls.L, -2); //remove func from stack
for (int i = 1; ; i++)
{
varName = BBLua.lua_getlocal(ls.L, this.funcInfo, i);
if (varName == null)
{
break;
}
if (varName.Length > 0 && varName[0] != '(')
{
TryFakeVar(varName, i, this.fakedLocals);
}
else
{
BBLua.lua_settop(ls.L, -2); //remove value
}
}
}
protected string GetTosFunctionInfo()
{
IntPtr memBlock = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(LuaDebugRecord)));
BBLua.lua_getinfo(this.L, ">nSf", memBlock); //fill structure and pop func back onto stack after removing it
LuaDebugRecord ldr = (LuaDebugRecord)Marshal.PtrToStructure(memBlock, typeof(LuaDebugRecord));
Marshal.FreeHGlobal(memBlock);
string source;
if (ldr.what == "C")
{
source = "Game Engine at 0x" + BBLua.lua_tocfunction(this.L, -1).ToInt32().ToString("X");
}
else
{
source = '\b' + ldr.source + ':' + ldr.linedefined + '\b';//" (line " + ldr.linedefined + ")";
}
return("<Function, defined in " + source + ">");
}
public void UnFakeG()
{
if (!this.CanFakeEnvironment)
{
return;
}
BBLua.lua_getinfo(ls.L, "f", this.funcInfo); // 'f': pushes func onto stack
foreach (FakeVar fv in this.fakedUpvalues)
{
GetVarAndCleanG(fv.VarName);
string vn = BBLua.lua_setupvalue(ls.L, -2, fv.Number);
}
BBLua.lua_settop(ls.L, -2); //remove func
foreach (FakeVar fv in this.fakedLocals)
{
GetVarAndCleanG(fv.VarName);
string vn = BBLua.lua_setlocal(ls.L, this.funcInfo, fv.Number);
}
}
