/// <summary>
/// Execute the data stored in core
/// This is the entry point of all DS code to be executed
/// </summary>
/// <param name="core"></param>
/// <returns></returns>
public ProtoCore.RuntimeCore ExecuteVM(ProtoCore.Core core)
{
ProtoCore.RuntimeCore runtimeCore = CreateRuntimeCore(core);
runtimeCore.StartTimer();
try
{
foreach (ProtoCore.DSASM.CodeBlock codeblock in core.CodeBlockList)
{
// Comment Jun:
// On first bounce, the stackframe depth is initialized to -1 in the Stackfame constructor.
// Passing it to bounce() increments it so the first depth is always 0
ProtoCore.DSASM.StackFrame stackFrame = new ProtoCore.DSASM.StackFrame(core.GlobOffset);
stackFrame.FramePointer = runtimeCore.RuntimeMemory.FramePointer;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.Implicit);
stackFrame.TX = svCallConvention;
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
runtimeCore.CurrentExecutive.CurrentDSASMExec.Bounce(codeblock.codeBlockId, codeblock.instrStream.entrypoint, stackFrame, locals);
}
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.ExecutionEnd);
}
catch
{
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.ExecutionEnd);
throw;
}
return(runtimeCore);
}
internal object GetCLRObject(StackValue svData, Core core)
{
if (null == core.DSExecutable.classTable)
{
return(null);
}
IList <ClassNode> classNodes = core.DSExecutable.classTable.ClassNodes;
if (null == classNodes || (classNodes.Count <= 0))
{
return(null);
}
ClassNode classnode = core.DSExecutable.classTable.ClassNodes[(int)svData.metaData.type];
if (!classnode.IsImportedClass) //TODO: look at properties to see if it contains any FFI objects.
{
return(null);
}
try
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, false);
var helper = ProtoFFI.DLLFFIHandler.GetModuleHelper(ProtoFFI.FFILanguage.CSharp);
var marshaler = helper.GetMarshaller(core);
return(marshaler.UnMarshal(svData, null, interpreter, typeof(object)));
}
catch (System.Exception)
{
return(null);
}
}
private ExecutionMirror Execute(int programCounterToExecuteFrom, List <Instruction> breakpoints, bool fepRun = false)
{
runtimeCore.Breakpoints = breakpoints;
resumeBlockID = runtimeCore.RunningBlock;
if (runtimeCore.DebugProps.FirstStackFrame != null)
{
runtimeCore.DebugProps.FirstStackFrame.FramePointer = core.GlobOffset;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.kImplicit);
runtimeCore.DebugProps.FirstStackFrame.TX = svCallConvention;
}
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
runtimeCore.CurrentExecutive.CurrentDSASMExec.Bounce(
resumeBlockID,
programCounterToExecuteFrom,
runtimeCore.DebugProps.FirstStackFrame,
locals,
fepRun,
null,
breakpoints);
return(new ExecutionMirror(runtimeCore.CurrentExecutive.CurrentDSASMExec, runtimeCore));
}
public override StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, System.Collections.Generic.List <Instruction> breakpoints, ProtoCore.DebugServices.EventSink sink = null, bool fepRun = false)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, fepRun);
CurrentDSASMExec = interpreter.runtime;
StackValue sv = interpreter.Run(breakpoints, codeblock, entry, Language.kAssociative);
return(sv);
}
public override object Execute(ProtoCore.Runtime.Context context, ProtoCore.DSASM.Interpreter dsi)
{
int paramCount = mArgTypes.Count;
int envSize = IsDNI ? 2 : 0;
int totalParamCount = paramCount + envSize;
List <Object> parameters = new List <object>();
List <StackValue> s = dsi.runtime.rmem.Stack;
if (IsDNI)
{
parameters.Add(DLLFFIHandler.Env);
parameters.Add((Int64)0);
}
for (int i = 0; i < mArgTypes.Count; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.kStackFrameSize - locals - i - 1;
StackValue o = dsi.runtime.rmem.GetAtRelative(relative);
if (o.optype == ProtoCore.DSASM.AddressType.Int)
{
if (mArgTypes[i].Name == "double")
{
// if the function expects a double and we have passed an int
// in an int then promote it to be a double!
//
parameters.Add(o.opdata_d);
}
else
{
parameters.Add(o.opdata);
}
}
else if (o.optype == ProtoCore.DSASM.AddressType.Double)
{
parameters.Add(o.opdata_d);
}
else if (o.optype == ProtoCore.DSASM.AddressType.ArrayPointer)
{
int size = 0;
object array = GetArray(o, dsi, out size);
parameters.Add(array);
parameters.Add(size);
}
else
{
throw new NotSupportedException();
}
}
//object ret = mFunction.Invoke(parameters);
object ret = mFunction.Execute(parameters.ToArray());
return(ConvertReturnValue(ret, context, dsi));
}
private object ConvertCSArrayToDSArray(double[] csArray, ProtoCore.DSASM.Interpreter dsi)
{
var runtimeCore = dsi.runtime.RuntimeCore;
object retVal = null;
var values = csArray.Select(x => StackValue.BuildDouble(x)).ToArray();
retVal = runtimeCore.RuntimeMemory.Heap.AllocateArray(values);
return(retVal);
}
public override StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, ProtoCore.DebugServices.EventSink sink)
{
if (!core.Options.CompileToLib)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core);
CurrentDSASMExec = interpreter.runtime;
StackValue sv = interpreter.Run(codeblock, entry, Language.kAssociative);
return(sv);
}
else
{
return(StackValue.Null);
}
}
public override StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, ProtoCore.DebugServices.EventSink sink)
{
if (!core.Options.CompileToLib)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core);
CurrentDSASMExec = interpreter.runtime;
var sv = interpreter.Run(codeblock, entry, ProtoCore.Language.kImperative);
return sv;
}
else
{
return StackValue.Null;
}
}
public FunctionPointerEvaluator(StackValue pointer, Interpreter dsi)
{
Validity.Assert(pointer.optype == AddressType.FunctionPointer);
mRunTime = dsi;
Core core = dsi.runtime.Core;
int fptr = (int)pointer.opdata;
ProtoCore.DSASM.FunctionPointerNode fptrNode;
if (core.FunctionPointerTable.functionPointerDictionary.TryGetByFirst(fptr, out fptrNode))
{
int blockId = fptrNode.blockId;
int procId = fptrNode.procId;
mProcNode = dsi.runtime.exe.procedureTable[blockId].procList[procId];
}
mCallSite = new ProtoCore.CallSite(ProtoCore.DSASM.Constants.kGlobalScope, Name, core.FunctionTable, core.Options.ExecutionMode);
}
private object ConvertCSArrayToDSArray(double[] csArray, ProtoCore.DSASM.Interpreter dsi)
{
var runtimeCore = dsi.runtime.RuntimeCore;
object retVal = null;
var values = csArray.Select(x => StackValue.BuildDouble(x)).ToArray();
try
{
retVal = runtimeCore.RuntimeMemory.Heap.AllocateArray(values);
return(retVal);
}
catch (RunOutOfMemoryException)
{
dsi.runtime.RuntimeCore.RuntimeStatus.LogWarning(ProtoCore.Runtime.WarningID.RunOutOfMemory, ProtoCore.Properties.Resources.RunOutOfMemory);
return(StackValue.Null);
}
}
/// <summary>
/// ExecuteLive is called by the liverunner where a persistent RuntimeCore is provided
/// ExecuteLive assumes only a single global scope
/// </summary>
/// <param name="core"></param>
/// <param name="runtimeCore"></param>
/// <param name="runningBlock"></param>
/// <param name="staticContext"></param>
/// <param name="runtimeContext"></param>
/// <returns></returns>
public ProtoCore.RuntimeCore ExecuteLive(ProtoCore.Core core, ProtoCore.RuntimeCore runtimeCore)
{
try
{
Executable exe = runtimeCore.DSExecutable;
Validity.Assert(exe.CodeBlocks.Count == 1);
CodeBlock codeBlock = runtimeCore.DSExecutable.CodeBlocks[0];
int codeBlockID = codeBlock.codeBlockId;
// Comment Jun:
// On first bounce, the stackframe depth is initialized to -1 in the Stackfame constructor.
// Passing it to bounce() increments it so the first depth is always 0
ProtoCore.DSASM.StackFrame stackFrame = new ProtoCore.DSASM.StackFrame(core.GlobOffset);
stackFrame.FramePointer = runtimeCore.RuntimeMemory.FramePointer;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.Implicit);
stackFrame.TX = svCallConvention;
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
if (runtimeCore.CurrentExecutive.CurrentDSASMExec == null)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
}
runtimeCore.CurrentExecutive.CurrentDSASMExec.BounceUsingExecutive(
runtimeCore.CurrentExecutive.CurrentDSASMExec,
codeBlock.codeBlockId,
runtimeCore.StartPC,
stackFrame,
locals);
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.ExecutionEnd);
}
catch
{
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.ExecutionEnd);
throw;
}
return(runtimeCore);
}
private object ConvertCSArrayToDSArray(double[] csArray, ProtoCore.DSASM.Interpreter dsi)
{
var core = dsi.runtime.Core;
object retVal = null;
lock (core.Heap.cslock)
{
var numElems = csArray.Length;
int ptr = core.Heap.Allocate(numElems);
for (int n = numElems - 1; n >= 0; --n)
{
core.Heap.Heaplist[ptr].Stack[n] = StackValue.BuildDouble(csArray[n]);
}
retVal = StackValue.BuildArrayPointer(ptr);
//dsi.runtime.rmem.Push(StackValue.BuildArrayPointer(ptr));
}
return(retVal);
}
/// <summary>
/// Execute the data stored in core
/// This is the entry point of all DS code to be executed
/// </summary>
/// <param name="core"></param>
/// <param name="runningBlock"></param>
/// <param name="staticContext"></param>
/// <param name="runtimeContext"></param>
public ProtoCore.RuntimeCore Execute(
ProtoCore.Core core, int runningBlock, ProtoCore.CompileTime.Context staticContext, ProtoCore.Runtime.Context runtimeContext)
{
//========================Generate runtimecore here===============================//
ProtoCore.RuntimeCore runtimeCore = core.__TempCoreHostForRefactoring;
// Move these core setup to runtime core
runtimeCore.RuntimeMemory.PushFrameForGlobals(core.GlobOffset);
runtimeCore.RunningBlock = runningBlock;
runtimeCore.RuntimeStatus.MessageHandler = core.BuildStatus.MessageHandler;
try
{
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionBegin);
foreach (ProtoCore.DSASM.CodeBlock codeblock in core.CodeBlockList)
{
// Comment Jun:
// On first bounce, the stackframe depth is initialized to -1 in the Stackfame constructor.
// Passing it to bounce() increments it so the first depth is always 0
ProtoCore.DSASM.StackFrame stackFrame = new ProtoCore.DSASM.StackFrame(core.GlobOffset);
stackFrame.FramePointer = runtimeCore.RuntimeMemory.FramePointer;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.kImplicit);
stackFrame.TX = svCallConvention;
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
runtimeCore.CurrentExecutive.CurrentDSASMExec.Bounce(codeblock.codeBlockId, codeblock.instrStream.entrypoint, runtimeContext, stackFrame, locals);
}
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionEnd);
}
catch
{
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionEnd);
throw;
}
return(runtimeCore);
}
public FunctionPointerEvaluator(StackValue pointer, Interpreter dsi)
{
Validity.Assert(pointer.IsFunctionPointer);
interpreter = dsi;
RuntimeCore runtimeCore = dsi.runtime.RuntimeCore;
int fptr = (int)pointer.opdata;
FunctionPointerNode fptrNode;
int classScope = Constants.kGlobalScope;
if (runtimeCore.DSExecutable.FuncPointerTable.functionPointerDictionary.TryGetByFirst(fptr, out fptrNode))
{
int blockId = fptrNode.blockId;
int procId = fptrNode.procId;
classScope = fptrNode.classScope;
procNode = dsi.runtime.GetProcedureNode(blockId, classScope, procId);
}
callsite = new ProtoCore.CallSite(classScope, Name, interpreter.runtime.exe.FunctionTable, runtimeCore.Options.ExecutionMode);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
Object retVal = base.Execute(c, dsi);
if (retVal == null)
{
return null;
}
StackValue propValue = (StackValue)retVal;
StackValue thisObject = dsi.runtime.rmem.Stack.Last();
if (StackUtils.IsValidPointer(thisObject) && StackUtils.IsReferenceType(propValue))
{
int classIndex = (int)thisObject.metaData.type;
if (classIndex != ProtoCore.DSASM.Constants.kInvalidIndex)
{
var core = dsi.runtime.Core;
int thisptr = (int)thisObject.opdata;
int idx = core.DSExecutable.classTable.ClassNodes[classIndex].symbols.IndexOf(PropertyName);
StackValue oldValue = core.Heap.Heaplist[(int)thisObject.opdata].GetValue(idx, core);
if (!StackUtils.Equals(oldValue, propValue))
{
GCUtils.GCRetain(propValue, core);
core.Heap.Heaplist[thisptr].SetValue(idx, propValue);
}
}
}
return retVal;
}
private object GetArray(StackValue o,
ProtoCore.DSASM.Interpreter dsi,
out int size)
{
size = 0;
var array = dsi.runtime.rmem.Heap.ToHeapObject <DSArray>(o);
if (!array.VisibleItems.Any())
{
return(null);
}
IList elements = null;
var opType = array.GetValueFromIndex(0, dsi.runtime.RuntimeCore).optype;
if (opType == AddressType.Boolean)
{
elements = new List <bool>();
}
else if (opType == AddressType.Double)
{
elements = new List <double>();
}
else if (opType == AddressType.Int)
{
elements = new List <int>();
}
else if (opType == AddressType.ArrayPointer)
{
throw new ArgumentException("FFI does not support nested arrays");
}
else
{
throw new ArgumentException(string.Format("Argument of type {0} is not supported for FFI Marshalling", opType.ToString()));
}
foreach (var op in array.VisibleItems)
{
if (opType == AddressType.Double)
{
elements.Add(op.RawDoubleValue);
}
else if (opType == AddressType.Int)
{
elements.Add(op.RawIntValue);
}
else if (opType == AddressType.Boolean)
{
elements.Add(op.RawIntValue == 0 ? true : false);
}
}
// now based on the type of element in ds-array
// create a new array and return it
//
if (opType == AddressType.Double)
{
double[] arr = new double[size];
elements.CopyTo(arr, 0);
return(arr);
}
else if (opType == AddressType.Int)
{
int[] arr = new int[size];
elements.CopyTo(arr, 0);
return(arr);
}
else if (opType == AddressType.Boolean)
{
bool[] arr = new bool[size];
elements.CopyTo(arr, 0);
return(arr);
}
else
{
size = 0;
return(null);
}
}
public StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, bool fepRun = false, System.Collections.Generic.List <Instruction> breakpoints = null)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, fepRun);
CurrentDSASMExec = interpreter.runtime;
return(interpreter.Run(codeblock, entry, CurrentDSASMExec.executingLanguage, breakpoints));
}
public static string GetMethodName(StackValue pointer, Interpreter dsi)
{
Validity.Assert(pointer.optype == AddressType.FunctionPointer);
return dsi.runtime.exe.procedureTable[0].procList[(int)pointer.opdata].name;
}
/// <summary>
/// Execute the data stored in core
/// This is the entry point of all DS code to be executed
/// </summary>
/// <param name="core"></param>
/// <returns></returns>
public ProtoCore.RuntimeCore ExecuteVM(ProtoCore.Core core)
{
ProtoCore.RuntimeCore runtimeCore = CreateRuntimeCore(core);
runtimeCore.StartTimer();
try
{
foreach (ProtoCore.DSASM.CodeBlock codeblock in core.CodeBlockList)
{
// Comment Jun:
// On first bounce, the stackframe depth is initialized to -1 in the Stackfame constructor.
// Passing it to bounce() increments it so the first depth is always 0
ProtoCore.DSASM.StackFrame stackFrame = new ProtoCore.DSASM.StackFrame(core.GlobOffset);
stackFrame.FramePointer = runtimeCore.RuntimeMemory.FramePointer;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.kImplicit);
stackFrame.TX = svCallConvention;
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
runtimeCore.CurrentExecutive.CurrentDSASMExec.Bounce(codeblock.codeBlockId, codeblock.instrStream.entrypoint, stackFrame, locals);
}
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionEnd);
}
catch
{
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionEnd);
throw;
}
return runtimeCore;
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List <StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, Core core)
{ // ensure there is no data race, function resolution and execution happens in parallel
// but for FFI we want it to be serial cause the code we are calling into may not cope
// with parallelism.
//
// we are always looking and putting our function pointers in handler with each lang
// so better lock for FFIHandler (being static) it will be good object to lock
//
lock (FFIHandlers)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, true);
StackValue svThisPtr = stackFrame.GetAt(StackFrame.AbsoluteIndex.kThisPtr);
StackValue svBlockDecl = stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionBlock);
// Setup the stack frame data
//int thisPtr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr).opdata;
int ci = activation.JILRecord.classIndex;
int fi = activation.JILRecord.funcIndex;
int returnAddr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kReturnAddress).opdata;
int blockDecl = (int)svBlockDecl.opdata;
int blockCaller = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionCallerBlock).opdata;
int framePointer = core.Rmem.FramePointer;
int locals = activation.JILRecord.locals;
FFIHandler handler = FFIHandlers[activation.ModuleType];
FFIActivationRecord r = activation;
string className = "";
if (activation.JILRecord.classIndex > 0)
{
className = core.DSExecutable.classTable.ClassNodes[activation.JILRecord.classIndex].name;
}
bool gcThisPtr = false;
List <ProtoCore.Type> argTypes = new List <Type>(r.ParameterTypes);
ProcedureNode fNode = null;
if (ProtoCore.DSASM.Constants.kInvalidIndex != ci)
{
fNode = interpreter.runtime.exe.classTable.ClassNodes[ci].vtable.procList[fi];
}
// Check if this is a 'this' pointer function overload that was generated by the compiler
if (null != fNode && fNode.isAutoGeneratedThisProc)
{
int thisPtrIndex = 0;
bool isStaticCall = svThisPtr.IsPointer && Constants.kInvalidPointer == (int)svThisPtr.opdata;
if (isStaticCall)
{
thisPtrIndex = formalParameters.Count - 1;
}
argTypes.RemoveAt(thisPtrIndex);
// Comment Jun: Execute() can handle a null this pointer.
// But since we dont even need to to reach there if we dont have a valid this pointer, then just return null
if (formalParameters[thisPtrIndex].IsNull)
{
core.RuntimeStatus.LogWarning(ProtoCore.RuntimeData.WarningID.kDereferencingNonPointer, ProtoCore.RuntimeData.WarningMessage.kDeferencingNonPointer);
return(StackValue.Null);
}
// These are the op types allowed.
Validity.Assert(formalParameters[thisPtrIndex].IsPointer ||
formalParameters[thisPtrIndex].IsDefaultArgument);
svThisPtr = formalParameters[thisPtrIndex];
gcThisPtr = true;
formalParameters.RemoveAt(thisPtrIndex);
}
FFIFunctionPointer functionPointer = handler.GetFunctionPointer(r.ModuleName, className, r.FunctionName, argTypes, r.ReturnType);
mFunctionPointer = Validate(functionPointer) ? functionPointer : null;
mFunctionPointer.IsDNI = activation.IsDNI;
if (mFunctionPointer == null)
{
return(ProtoCore.DSASM.StackValue.Null);
}
List <object> ps = new List <object>(); //obsolete
{
interpreter.runtime.executingBlock = core.RunningBlock;
activation.JILRecord.globs = core.DSExecutable.runtimeSymbols[core.RunningBlock].GetGlobalSize();
// Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
List <StackValue> registers = new List <DSASM.StackValue>();
interpreter.runtime.SaveRegisters(registers);
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = 0;
StackFrameType callerType = (StackFrameType)stackFrame.GetAt(StackFrame.AbsoluteIndex.kCallerStackFrameType).opdata;
// FFI calls do not have execution states
core.Rmem.PushStackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, ProtoCore.DSASM.StackFrameType.kTypeFunction, depth, framePointer, registers, locals, 0);
//is there a way the current stack be passed across and back into the managed runtime by FFI calling back into the language?
//e.g. DCEnv* carrying all the stack information? look at how vmkit does this.
// = jilMain.Run(ActivationRecord.JILRecord.pc, null, true);
//double[] tempArray = GetUnderlyingArray<double>(jilMain.runtime.rmem.stack);
Object ret = mFunctionPointer.Execute(c, interpreter);
StackValue op;
if (ret == null)
{
op = StackValue.Null;
}
else if (ret is StackValue)
{
op = (StackValue)ret;
}
else if (ret is Int64 || ret is int)
{
op = StackValue.BuildInt((Int64)ret);
}
else if (ret is double)
{
op = StackValue.BuildDouble((double)ret);
}
else
{
throw new ArgumentException(string.Format("FFI: incorrect return type {0} from external function {1}:{2}", activation.ReturnType.Name,
activation.ModuleName, activation.FunctionName));
}
// gc the parameters
if (gcThisPtr)// && core.Options.EnableThisPointerFunctionOverload)
{
// thisptr is sent as parameter, so need to gc it.
// but when running in expression interpreter mode, do not GC because in DSASM.Executive.DecRefCounter() related GC functions,
// the reference count will not be changed in expression interpreter mode.
if (core.ExecMode != ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter)
{
interpreter.runtime.Core.Rmem.Heap.GCRelease(new StackValue[] { svThisPtr }, interpreter.runtime);
}
}
interpreter.runtime.Core.Rmem.Heap.GCRelease(formalParameters.ToArray(), interpreter.runtime);
// increment the reference counter of the return value
interpreter.runtime.GCRetain(op);
// Clear the FFI stack frame
// FFI stack frames have no local variables
interpreter.runtime.rmem.FramePointer = (int)interpreter.runtime.rmem.GetAtRelative(ProtoCore.DSASM.StackFrame.kFrameIndexFramePointer).opdata;
interpreter.runtime.rmem.PopFrame(ProtoCore.DSASM.StackFrame.kStackFrameSize + formalParameters.Count);
return(op); //DSASM.Mirror.ExecutionMirror.Unpack(op, core.heap, core);
}
}
}
public static string GetMethodName(StackValue pointer, Interpreter dsi)
{
Validity.Assert(pointer.IsFunctionPointer);
return dsi.runtime.exe.procedureTable[0].Procedures[(int)pointer.opdata].Name;
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List <StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, Core core)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, true);
ProtoCore.DSASM.Executive oldDSASMExec = null;
if (core.CurrentExecutive != null)
{
oldDSASMExec = core.CurrentExecutive.CurrentDSASMExec;
core.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
}
// Assert for the block type
activation.globs = core.DSExecutable.runtimeSymbols[core.RunningBlock].GetGlobalSize();
// Push Execution states
int execStateSize = 0;
if (null != stackFrame.ExecutionStates)
{
execStateSize = stackFrame.ExecutionStates.Length;
// ExecutionStates are in lexical order
// Push them in reverse order (similar to args) so they can be retrieved in sequence
// Retrieveing the executing states occur on function return
for (int n = execStateSize - 1; n >= 0; --n)
{
StackValue svState = stackFrame.ExecutionStates[n];
Validity.Assert(svState.IsBoolean);
interpreter.Push(svState);
}
}
// Push Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
StackValue svThisPtr = stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr);
StackValue svBlockDecl = stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionBlock);
// Jun: Make sure we have no empty or unaligned frame data
Validity.Assert(DSASM.StackFrame.kStackFrameSize == stackFrame.Frame.Length);
// Setup the stack frame data
//int thisPtr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr).opdata;
int ci = activation.classIndex;
int fi = activation.funcIndex;
int returnAddr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kReturnAddress).opdata;
int blockDecl = (int)svBlockDecl.opdata;
int blockCaller = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionCallerBlock).opdata;
int framePointer = core.Rmem.FramePointer;
int locals = activation.locals;
// Update the running block to tell the execution engine which set of instruction to execute
// TODO(Jun/Jiong): Considering store the orig block id to stack frame
int origRunningBlock = core.RunningBlock;
core.RunningBlock = (int)svBlockDecl.opdata;
// Set SX register
interpreter.runtime.SX = svBlockDecl;
DSASM.StackFrameType callerType = (DSASM.StackFrameType)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kCallerStackFrameType).opdata;
List <StackValue> registers = new List <DSASM.StackValue>();
StackValue svCallConvention;
bool isDispose = CoreUtils.IsDisposeMethod(procedureNode.name);
bool explicitCall = !c.IsReplicating && !c.IsImplicitCall && !isDispose;
if (explicitCall)
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kExplicit);
}
else
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kImplicit);
}
stackFrame.SetAt(DSASM.StackFrame.AbsoluteIndex.kRegisterTX, svCallConvention);
interpreter.runtime.TX = svCallConvention;
// Set SX register
stackFrame.SetAt(DSASM.StackFrame.AbsoluteIndex.kRegisterSX, svBlockDecl);
interpreter.runtime.SX = svBlockDecl;
// TODO Jun:
// The stackframe carries the current set of registers
// Determine if this can be done even for the non explicit call implementation
registers.AddRange(stackFrame.GetRegisters());
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kStackFrameDepth).opdata;
DSASM.StackFrameType type = (DSASM.StackFrameType)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kStackFrameType).opdata;
Validity.Assert(depth == 0);
Validity.Assert(type == DSASM.StackFrameType.kTypeFunction);
core.Rmem.PushStackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, type, depth, framePointer, registers, locals, execStateSize);
StackValue svRet;
if (explicitCall)
{
svRet = ProtoCore.DSASM.StackValue.BuildExplicitCall(activation.pc);
}
else
{
if (core.ExecMode != DSASM.InterpreterMode.kExpressionInterpreter && core.Options.IDEDebugMode)
{
svRet = interpreter.Run(core.Breakpoints, core.RunningBlock, activation.pc, Language.kInvalid);
}
else
{
svRet = interpreter.Run(core.RunningBlock, activation.pc, Language.kInvalid);
}
core.RunningBlock = origRunningBlock;
}
if (core.CurrentExecutive != null)
{
core.CurrentExecutive.CurrentDSASMExec = oldDSASMExec;
}
return(svRet); //DSASM.Mirror.ExecutionMirror.Unpack(svRet, core.heap, core);
}
protected object InvokeFunctionPointerNoThrow(ProtoCore.Runtime.Context c, Interpreter dsi, object thisObject, object[] parameters)
{
object ret = null;
StackValue dsRetValue = StackValue.Null;
try
{
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
ret = InvokeFunctionPointer(thisObject, parameters);
//Reduce to singleton if the attribute is specified.
ret = ReflectionInfo.ReduceReturnedCollectionToSingleton(ret);
dsRetValue = marshaller.Marshal(ret, c, dsi, mReturnType);
}
catch (DllNotFoundException ex)
{
if (ex.InnerException != null)
{
dsi.LogSemanticError(ex.InnerException.Message);
}
dsi.LogSemanticError(ex.Message);
}
catch (System.Reflection.TargetException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
}
catch (System.Reflection.TargetInvocationException ex)
{
if (ex.InnerException != null)
{
System.Exception exc = ex.InnerException;
var exception = exc as ArgumentNullException;
if (exception != null)
{
var innerMessage = string.Format(Resources.ArgumentNullException, exception.ParamName);
var msg = string.Format(Resources.OperationFailType2,
ReflectionInfo.DeclaringType.Name,
ReflectionInfo.Name,
innerMessage);
dsi.LogWarning(ProtoCore.Runtime.WarningID.kInvalidArguments, msg);
}
else if (exc is System.ArgumentException)
dsi.LogWarning(ProtoCore.Runtime.WarningID.kInvalidArguments, ErrorString(exc));
else if (exc is System.NullReferenceException)
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ErrorString(null));
else
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ErrorString(exc));
}
else
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ErrorString(ex));
}
catch (System.Reflection.TargetParameterCountException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
}
catch (System.MethodAccessException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
}
catch (System.InvalidOperationException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
}
catch (System.NotSupportedException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
}
catch (ArgumentNullException ex)
{
var innerMessage = string.Format(Resources.ArgumentNullException, ex.ParamName);
var msg = string.Format(Resources.OperationFailType2,
ReflectionInfo.DeclaringType.Name,
ReflectionInfo.Name,
innerMessage);
dsi.LogWarning(ProtoCore.Runtime.WarningID.kInvalidArguments, msg);
}
catch (System.ArgumentException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kInvalidArguments, ErrorString(ex.InnerException));
}
else
dsi.LogWarning(ProtoCore.Runtime.WarningID.kInvalidArguments, ErrorString(ex));
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kDefault, ErrorString(ex.InnerException));
}
dsi.LogWarning(ProtoCore.Runtime.WarningID.kDefault, ErrorString(ex));
}
return dsRetValue;
}
internal object GetCLRObject(StackValue svData, Core core)
{
if (null == core.DSExecutable.classTable)
return null;
IList<ClassNode> classNodes = core.DSExecutable.classTable.ClassNodes;
if (null == classNodes || (classNodes.Count <= 0))
return null;
ClassNode classnode = core.DSExecutable.classTable.ClassNodes[(int)svData.metaData.type];
if (!classnode.IsImportedClass) //TODO: look at properties to see if it contains any FFI objects.
return null;
try
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, false);
var helper = ProtoFFI.DLLFFIHandler.GetModuleHelper(ProtoFFI.FFILanguage.CSharp);
var marshaler = helper.GetMarshaller(core);
return marshaler.UnMarshal(svData, null, interpreter, typeof(object));
}
catch (System.Exception)
{
return null;
}
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List<StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, Core core)
{ // ensure there is no data race, function resolution and execution happens in parallel
// but for FFI we want it to be serial cause the code we are calling into may not cope
// with parallelism.
//
// we are always looking and putting our function pointers in handler with each lang
// so better lock for FFIHandler (being static) it will be good object to lock
//
lock (FFIHandlers)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, true);
StackValue svThisPtr = stackFrame.GetAt(StackFrame.AbsoluteIndex.kThisPtr);
StackValue svBlockDecl = stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionBlock);
// Setup the stack frame data
//int thisPtr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr).opdata;
int ci = activation.JILRecord.classIndex;
int fi = activation.JILRecord.funcIndex;
int returnAddr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kReturnAddress).opdata;
int blockDecl = (int)svBlockDecl.opdata;
int blockCaller = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionCallerBlock).opdata;
int framePointer = core.Rmem.FramePointer;
int locals = activation.JILRecord.locals;
FFIHandler handler = FFIHandlers[activation.ModuleType];
FFIActivationRecord r = activation;
string className = "";
if (activation.JILRecord.classIndex > 0)
{
className = core.DSExecutable.classTable.ClassNodes[activation.JILRecord.classIndex].name;
}
bool gcThisPtr = false;
List<ProtoCore.Type> argTypes = new List<Type>(r.ParameterTypes);
ProcedureNode fNode = null;
if (ProtoCore.DSASM.Constants.kInvalidIndex != ci)
{
fNode = interpreter.runtime.exe.classTable.ClassNodes[ci].vtable.procList[fi];
}
// Check if this is a 'this' pointer function overload that was generated by the compiler
if (null != fNode && fNode.isAutoGeneratedThisProc)
{
int thisPtrIndex = 0;
bool isStaticCall = svThisPtr.IsPointer && Constants.kInvalidPointer == (int)svThisPtr.opdata;
if (isStaticCall)
{
thisPtrIndex = formalParameters.Count - 1;
}
argTypes.RemoveAt(thisPtrIndex);
// Comment Jun: Execute() can handle a null this pointer.
// But since we dont even need to to reach there if we dont have a valid this pointer, then just return null
if (formalParameters[thisPtrIndex].IsNull)
{
core.RuntimeStatus.LogWarning(ProtoCore.RuntimeData.WarningID.kDereferencingNonPointer, ProtoCore.RuntimeData.WarningMessage.kDeferencingNonPointer);
return StackValue.Null;
}
// These are the op types allowed.
Validity.Assert(formalParameters[thisPtrIndex].IsPointer ||
formalParameters[thisPtrIndex].IsDefaultArgument);
svThisPtr = formalParameters[thisPtrIndex];
gcThisPtr = true;
formalParameters.RemoveAt(thisPtrIndex);
}
FFIFunctionPointer functionPointer = handler.GetFunctionPointer(r.ModuleName, className, r.FunctionName, argTypes, r.ReturnType);
mFunctionPointer = Validate(functionPointer) ? functionPointer : null;
mFunctionPointer.IsDNI = activation.IsDNI;
if (mFunctionPointer == null)
{
return ProtoCore.DSASM.StackValue.Null;
}
{
interpreter.runtime.executingBlock = core.RunningBlock;
activation.JILRecord.globs = core.DSExecutable.runtimeSymbols[core.RunningBlock].GetGlobalSize();
// Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
List<StackValue> registers = new List<DSASM.StackValue>();
interpreter.runtime.SaveRegisters(registers);
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = 0;
StackFrameType callerType = (StackFrameType)stackFrame.GetAt(StackFrame.AbsoluteIndex.kCallerStackFrameType).opdata;
// FFI calls do not have execution states
core.Rmem.PushStackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, ProtoCore.DSASM.StackFrameType.kTypeFunction, depth, framePointer, registers, locals, 0);
//is there a way the current stack be passed across and back into the managed runtime by FFI calling back into the language?
//e.g. DCEnv* carrying all the stack information? look at how vmkit does this.
// = jilMain.Run(ActivationRecord.JILRecord.pc, null, true);
//double[] tempArray = GetUnderlyingArray<double>(jilMain.runtime.rmem.stack);
Object ret = mFunctionPointer.Execute(c, interpreter);
StackValue op;
if (ret == null)
{
op = StackValue.Null;
}
else if (ret is StackValue)
{
op = (StackValue)ret;
}
else if (ret is Int64 || ret is int)
{
op = StackValue.BuildInt((Int64)ret);
}
else if (ret is double)
{
op = StackValue.BuildDouble((double)ret);
}
else
{
throw new ArgumentException(string.Format("FFI: incorrect return type {0} from external function {1}:{2}", activation.ReturnType.Name,
activation.ModuleName, activation.FunctionName));
}
// gc the parameters
if (gcThisPtr)// && core.Options.EnableThisPointerFunctionOverload)
{
// thisptr is sent as parameter, so need to gc it.
// but when running in expression interpreter mode, do not GC because in DSASM.Executive.DecRefCounter() related GC functions,
// the reference count will not be changed in expression interpreter mode.
if (core.ExecMode != ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter)
{
interpreter.runtime.Core.Rmem.Heap.GCRelease(new StackValue[] { svThisPtr }, interpreter.runtime);
}
}
interpreter.runtime.Core.Rmem.Heap.GCRelease(formalParameters.ToArray(), interpreter.runtime);
// increment the reference counter of the return value
interpreter.runtime.GCRetain(op);
// Clear the FFI stack frame
// FFI stack frames have no local variables
interpreter.runtime.rmem.FramePointer = (int)interpreter.runtime.rmem.GetAtRelative(ProtoCore.DSASM.StackFrame.kFrameIndexFramePointer).opdata;
interpreter.runtime.rmem.PopFrame(ProtoCore.DSASM.StackFrame.kStackFrameSize + formalParameters.Count);
return op; //DSASM.Mirror.ExecutionMirror.Unpack(op, core.heap, core);
}
}
}
public override StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, List <Instruction> breakpoints, ProtoCore.DebugServices.EventSink sink, bool fepRun = false)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core);
CurrentDSASMExec = interpreter.runtime;
return(interpreter.Run(breakpoints, codeblock, entry, ProtoCore.Language.kImperative));
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
int nParamCount = mArgTypes.Length;
int paramCount = mArgTypes.Length;
int envSize = IsDNI ? 2 : 0;
int totalParamCount = paramCount + envSize;
List<Object> parameters = new List<object>();
List<ProtoCore.DSASM.StackValue> s = dsi.runtime.rmem.Stack;
Object thisObject = null;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.Core);
if (!ReflectionInfo.IsStatic)
{
try
{
thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
}
catch (InvalidOperationException)
{
string message = String.Format(ProtoCore.RuntimeData.WarningMessage.kFFIFailedToObtainThisObject, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, message);
return null;
}
if (thisObject == null)
return null; //Can't call a method on null object.
}
ParameterInfo[] paraminfos = ReflectionInfo.GetParameters();
for (int i = 0; i < mArgTypes.Length; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.kStackFrameSize - locals - i - 1;
ProtoCore.DSASM.StackValue opArg = dsi.runtime.rmem.GetAtRelative(relative);
try
{
Type paramType = paraminfos[i].ParameterType;
object param = marshaller.UnMarshal(opArg, c, dsi, paramType);
//null is passed for a value type, so we must return null
//rather than interpreting any value from null. fix defect 1462014
if (!paramType.IsGenericType && paramType.IsValueType && param == null)
throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", paraminfos[i].ParameterType.Name));
parameters.Add(param);
}
catch (System.InvalidCastException ex)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
return null;
}
catch (InvalidOperationException)
{
string message = String.Format(ProtoCore.RuntimeData.WarningMessage.kFFIFailedToObtainObject, paraminfos[i].ParameterType.Name, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, message);
return null;
}
}
object ret = null;
StackValue dsRetValue = StackUtils.BuildNull();
try
{
ret = InvokeFunctionPointer(thisObject, parameters.Count > 0 ? parameters.ToArray() : null);
//Reduce to singleton if the attribute is specified.
ret = ReflectionInfo.ReduceReturnedCollectionToSingleton(ret);
dsRetValue = marshaller.Marshal(ret, c, dsi, mReturnType);
}
catch (DllNotFoundException ex)
{
if (ex.InnerException != null)
{
dsi.LogSemanticError(ex.InnerException.Message);
}
dsi.LogSemanticError(ex.Message);
}
catch (System.Reflection.TargetException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.Reflection.TargetInvocationException ex)
{
if (ex.InnerException != null)
{
System.Exception exc = ex.InnerException;
if (exc is System.ArgumentException)
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kInvalidArguments, ErrorString(exc));
else if (exc is System.NullReferenceException)
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ErrorString(null));
else
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ErrorString(exc));
}
else
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ErrorString(ex));
}
catch (System.Reflection.TargetParameterCountException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.MethodAccessException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.InvalidOperationException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.NotSupportedException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.ArgumentException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kInvalidArguments, ErrorString(ex.InnerException));
}
else
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kInvalidArguments, ErrorString(ex));
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
dsi.LogSemanticError(ErrorString(ex.InnerException));
}
dsi.LogSemanticError(ErrorString(ex));
}
return dsRetValue;
}
private ExecutionMirror Execute(int programCounterToExecuteFrom, List<Instruction> breakpoints, bool fepRun = false)
{
runtimeCore.Breakpoints = breakpoints;
resumeBlockID = runtimeCore.RunningBlock;
if (runtimeCore.DebugProps.FirstStackFrame != null)
{
runtimeCore.DebugProps.FirstStackFrame.FramePointer = core.GlobOffset;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.kImplicit);
runtimeCore.DebugProps.FirstStackFrame.TX = svCallConvention;
}
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
runtimeCore.CurrentExecutive.CurrentDSASMExec.Bounce(
resumeBlockID,
programCounterToExecuteFrom,
runtimeCore.DebugProps.FirstStackFrame,
locals,
fepRun,
null,
breakpoints);
return new ExecutionMirror(runtimeCore.CurrentExecutive.CurrentDSASMExec, runtimeCore);
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List<StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, Core core)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, true);
ProtoCore.DSASM.Executive oldDSASMExec = null;
if (core.CurrentExecutive != null)
{
oldDSASMExec = core.CurrentExecutive.CurrentDSASMExec;
core.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
}
// Assert for the block type
activation.globs = core.DSExecutable.runtimeSymbols[core.RunningBlock].GetGlobalSize();
// Push Execution states
int execStateSize = 0;
if (null != stackFrame.ExecutionStates)
{
execStateSize = stackFrame.ExecutionStates.Length;
// ExecutionStates are in lexical order
// Push them in reverse order (similar to args) so they can be retrieved in sequence
// Retrieveing the executing states occur on function return
for (int n = execStateSize - 1; n >= 0 ; --n)
{
StackValue svState = stackFrame.ExecutionStates[n];
Validity.Assert(svState.optype == DSASM.AddressType.Boolean);
interpreter.Push(svState);
}
}
// Push Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
StackValue svThisPtr = stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr);
StackValue svBlockDecl = stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionBlock);
// Jun: Make sure we have no empty or unaligned frame data
Validity.Assert(DSASM.StackFrame.kStackFrameSize == stackFrame.Frame.Length);
// Setup the stack frame data
//int thisPtr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr).opdata;
int ci = activation.classIndex;
int fi = activation.funcIndex;
int returnAddr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kReturnAddress).opdata;
int blockDecl = (int)svBlockDecl.opdata;
int blockCaller = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kFunctionCallerBlock).opdata;
int framePointer = core.Rmem.FramePointer;
int locals = activation.locals;
// Update the running block to tell the execution engine which set of instruction to execute
// TODO(Jun/Jiong): Considering store the orig block id to stack frame
int origRunningBlock = core.RunningBlock;
core.RunningBlock = (int)svBlockDecl.opdata;
// Set SX register
interpreter.runtime.SX = svBlockDecl;
DSASM.StackFrameType callerType = (DSASM.StackFrameType)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kCallerStackFrameType).opdata;
List<StackValue> registers = new List<DSASM.StackValue>();
StackValue svCallConvention;
bool isDispose = CoreUtils.IsDisposeMethod(procedureNode.name);
bool explicitCall = !c.IsReplicating && !c.IsImplicitCall && !isDispose;
if (explicitCall)
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kExplicit);
}
else
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kImplicit);
}
stackFrame.SetAt(DSASM.StackFrame.AbsoluteIndex.kRegisterTX, svCallConvention);
interpreter.runtime.TX = svCallConvention;
// Set SX register
stackFrame.SetAt(DSASM.StackFrame.AbsoluteIndex.kRegisterSX, svBlockDecl);
interpreter.runtime.SX = svBlockDecl;
// TODO Jun:
// The stackframe carries the current set of registers
// Determine if this can be done even for the non explicit call implementation
registers.AddRange(stackFrame.GetRegisters());
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kStackFrameDepth).opdata;
DSASM.StackFrameType type = (DSASM.StackFrameType)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kStackFrameType).opdata;
Validity.Assert(depth == 0);
Validity.Assert(type == DSASM.StackFrameType.kTypeFunction);
core.Rmem.PushStackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, type, depth, framePointer, registers, locals, execStateSize);
StackValue svRet;
if (explicitCall)
{
svRet = ProtoCore.DSASM.StackValue.BuildExplicitCall(activation.pc);
}
else
{
if (core.ExecMode != DSASM.InterpreterMode.kExpressionInterpreter && core.Options.IDEDebugMode)
{
svRet = interpreter.Run(core.Breakpoints, core.RunningBlock, activation.pc, Language.kInvalid);
}
else
{
svRet = interpreter.Run(core.RunningBlock, activation.pc, Language.kInvalid);
}
core.RunningBlock = origRunningBlock;
}
if (core.CurrentExecutive != null)
{
core.CurrentExecutive.CurrentDSASMExec = oldDSASMExec;
}
return svRet; //DSASM.Mirror.ExecutionMirror.Unpack(svRet, core.heap, core);
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List<StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, RuntimeCore runtimeCore)
{ // ensure there is no data race, function resolution and execution happens in parallel
// but for FFI we want it to be serial cause the code we are calling into may not cope
// with parallelism.
//
// we are always looking and putting our function pointers in handler with each lang
// so better lock for FFIHandler (being static) it will be good object to lock
//
lock (FFIHandlers)
{
Interpreter interpreter = new Interpreter(runtimeCore, true);
// Setup the stack frame data
StackValue svThisPtr = stackFrame.ThisPtr;
int ci = activation.JILRecord.classIndex;
int fi = activation.JILRecord.funcIndex;
int returnAddr = stackFrame.ReturnPC;
int blockDecl = stackFrame.FunctionBlock;
int blockCaller = stackFrame.FunctionCallerBlock;
int framePointer = runtimeCore.RuntimeMemory.FramePointer;
int locals = activation.JILRecord.locals;
FFIHandler handler = FFIHandlers[activation.ModuleType];
FFIActivationRecord r = activation;
string className = "";
if (activation.JILRecord.classIndex > 0)
{
className = runtimeCore.DSExecutable.classTable.ClassNodes[activation.JILRecord.classIndex].Name;
}
List<ProtoCore.Type> argTypes = new List<Type>(r.ParameterTypes);
ProcedureNode fNode = null;
if (ProtoCore.DSASM.Constants.kInvalidIndex != ci)
{
fNode = interpreter.runtime.exe.classTable.ClassNodes[ci].ProcTable.Procedures[fi];
}
// Check if this is a 'this' pointer function overload that was generated by the compiler
if (null != fNode && fNode.IsAutoGeneratedThisProc)
{
int thisPtrIndex = 0;
bool isStaticCall = svThisPtr.IsPointer && Constants.kInvalidPointer == svThisPtr.Pointer;
if (isStaticCall)
{
stackFrame.ThisPtr = formalParameters[thisPtrIndex];
}
argTypes.RemoveAt(thisPtrIndex);
// Comment Jun: Execute() can handle a null this pointer.
// But since we dont even need to to reach there if we dont have a valid this pointer, then just return null
if (formalParameters[thisPtrIndex].IsNull)
{
runtimeCore.RuntimeStatus.LogWarning(ProtoCore.Runtime.WarningID.DereferencingNonPointer, Resources.kDeferencingNonPointer);
return StackValue.Null;
}
// These are the op types allowed.
Validity.Assert(formalParameters[thisPtrIndex].IsPointer ||
formalParameters[thisPtrIndex].IsDefaultArgument);
svThisPtr = formalParameters[thisPtrIndex];
formalParameters.RemoveAt(thisPtrIndex);
}
FFIFunctionPointer functionPointer = handler.GetFunctionPointer(r.ModuleName, className, r.FunctionName, argTypes, r.ReturnType);
mFunctionPointer = Validate(functionPointer) ? functionPointer : null;
mFunctionPointer.IsDNI = activation.IsDNI;
if (mFunctionPointer == null)
{
return ProtoCore.DSASM.StackValue.Null;
}
{
interpreter.runtime.executingBlock = runtimeCore.RunningBlock;
activation.JILRecord.globs = runtimeCore.DSExecutable.runtimeSymbols[runtimeCore.RunningBlock].GetGlobalSize();
// Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
List<StackValue> registers = new List<DSASM.StackValue>();
interpreter.runtime.SaveRegisters(registers);
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = 0;
StackFrameType callerType = stackFrame.CallerStackFrameType;
// FFI calls do not have execution states
runtimeCore.RuntimeMemory.PushFrameForLocals(locals);
StackFrame newStackFrame = new StackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, StackFrameType.Function, depth, framePointer, registers, 0);
runtimeCore.RuntimeMemory.PushStackFrame(newStackFrame);
//is there a way the current stack be passed across and back into the managed runtime by FFI calling back into the language?
//e.g. DCEnv* carrying all the stack information? look at how vmkit does this.
// = jilMain.Run(ActivationRecord.JILRecord.pc, null, true);
//double[] tempArray = GetUnderlyingArray<double>(jilMain.runtime.rmem.stack);
Object ret = mFunctionPointer.Execute(c, interpreter);
StackValue op;
if (ret == null)
{
op = StackValue.Null;
}
else if (ret is StackValue)
{
op = (StackValue)ret;
}
else if (ret is Int64 || ret is int)
{
op = StackValue.BuildInt((Int64)ret);
}
else if (ret is double)
{
op = StackValue.BuildDouble((double)ret);
}
else
{
throw new ArgumentException(string.Format("FFI: incorrect return type {0} from external function {1}:{2}", activation.ReturnType.Name,
activation.ModuleName, activation.FunctionName));
}
// Clear the FFI stack frame
// FFI stack frames have no local variables
interpreter.runtime.rmem.FramePointer = (int)interpreter.runtime.rmem.GetAtRelative(StackFrame.FrameIndexFramePointer).IntegerValue;
interpreter.runtime.rmem.PopFrame(StackFrame.StackFrameSize + formalParameters.Count);
return op;
}
}
}
public abstract Object Execute(ProtoCore.Runtime.Context c, ProtoCore.DSASM.Interpreter dsi);
/// <summary>
/// ExecuteLive is called by the liverunner where a persistent RuntimeCore is provided
/// ExecuteLive assumes only a single global scope
/// </summary>
/// <param name="core"></param>
/// <param name="runtimeCore"></param>
/// <param name="runningBlock"></param>
/// <param name="staticContext"></param>
/// <param name="runtimeContext"></param>
/// <returns></returns>
public ProtoCore.RuntimeCore ExecuteLive(ProtoCore.Core core, ProtoCore.RuntimeCore runtimeCore)
{
try
{
Executable exe = runtimeCore.DSExecutable;
Validity.Assert(exe.CodeBlocks.Count == 1);
CodeBlock codeBlock = runtimeCore.DSExecutable.CodeBlocks[0];
int codeBlockID = codeBlock.codeBlockId;
// Comment Jun:
// On first bounce, the stackframe depth is initialized to -1 in the Stackfame constructor.
// Passing it to bounce() increments it so the first depth is always 0
ProtoCore.DSASM.StackFrame stackFrame = new ProtoCore.DSASM.StackFrame(core.GlobOffset);
stackFrame.FramePointer = runtimeCore.RuntimeMemory.FramePointer;
// Comment Jun: Tell the new bounce stackframe that this is an implicit bounce
// Register TX is used for this.
StackValue svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.kImplicit);
stackFrame.TX = svCallConvention;
// Initialize the entry point interpreter
int locals = 0; // This is the global scope, there are no locals
if (runtimeCore.CurrentExecutive.CurrentDSASMExec == null)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore);
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
}
runtimeCore.CurrentExecutive.CurrentDSASMExec.BounceUsingExecutive(
runtimeCore.CurrentExecutive.CurrentDSASMExec,
codeBlock.codeBlockId,
runtimeCore.StartPC,
stackFrame,
locals);
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionEnd);
}
catch
{
runtimeCore.NotifyExecutionEvent(ProtoCore.ExecutionStateEventArgs.State.kExecutionEnd);
throw;
}
return runtimeCore;
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List<StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, RuntimeCore runtimeCore)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore, true);
ProtoCore.DSASM.Executive oldDSASMExec = null;
if (runtimeCore.CurrentExecutive != null)
{
oldDSASMExec = runtimeCore.CurrentExecutive.CurrentDSASMExec;
runtimeCore.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
}
// Assert for the block type
activation.globs = runtimeCore.DSExecutable.runtimeSymbols[runtimeCore.RunningBlock].GetGlobalSize();
//
// Comment Jun:
// Storing execution states is relevant only if the current scope is a function,
// as this mechanism is used to keep track of maintining execution states of recursive calls
// This mechanism should also be ignored if the function call is non-recursive as it does not need to maintains state in that case
int execStateSize = procedureNode.GraphNodeList.Count;
stackFrame.ExecutionStateSize = execStateSize;
for (int n = execStateSize - 1; n >= 0; --n)
{
AssociativeGraph.GraphNode gnode = procedureNode.GraphNodeList[n];
interpreter.Push(StackValue.BuildBoolean(gnode.isDirty));
}
// Push Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
StackValue svThisPtr = stackFrame.ThisPtr;
StackValue svBlockDecl = StackValue.BuildBlockIndex(stackFrame.FunctionBlock);
// Jun: Make sure we have no empty or unaligned frame data
Validity.Assert(DSASM.StackFrame.kStackFrameSize == stackFrame.Frame.Length);
// Setup the stack frame data
//int thisPtr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr).opdata;
int ci = activation.classIndex;
int fi = activation.funcIndex;
int returnAddr = stackFrame.ReturnPC;
int blockDecl = stackFrame.FunctionBlock;
int blockCaller = stackFrame.FunctionCallerBlock;
int framePointer = runtimeCore.RuntimeMemory.FramePointer;
int locals = activation.locals;
// Update the running block to tell the execution engine which set of instruction to execute
// TODO(Jun/Jiong): Considering store the orig block id to stack frame
int origRunningBlock = runtimeCore.RunningBlock;
runtimeCore.RunningBlock = (int)svBlockDecl.opdata;
// Set SX register
interpreter.runtime.SX = svBlockDecl;
StackFrameType callerType = stackFrame.CallerStackFrameType;
List<StackValue> registers = new List<DSASM.StackValue>();
StackValue svCallConvention;
bool isDispose = CoreUtils.IsDisposeMethod(procedureNode.Name);
bool explicitCall = !c.IsReplicating && !c.IsImplicitCall && !isDispose;
if (explicitCall)
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kExplicit);
}
else
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kImplicit);
}
stackFrame.TX = svCallConvention;
interpreter.runtime.TX = svCallConvention;
// Set SX register
stackFrame.SX = svBlockDecl;
interpreter.runtime.SX = svBlockDecl;
// TODO Jun:
// The stackframe carries the current set of registers
// Determine if this can be done even for the non explicit call implementation
registers.AddRange(stackFrame.GetRegisters());
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = stackFrame.Depth;
DSASM.StackFrameType type = stackFrame.StackFrameType;
Validity.Assert(depth == 0);
Validity.Assert(type == DSASM.StackFrameType.kTypeFunction);
runtimeCore.RuntimeMemory.PushStackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, type, depth, framePointer, registers, locals, execStateSize);
StackValue svRet;
if (explicitCall)
{
svRet = ProtoCore.DSASM.StackValue.BuildExplicitCall(activation.pc);
}
else
{
svRet = interpreter.Run(runtimeCore.RunningBlock, activation.pc, Language.kInvalid, runtimeCore.Breakpoints);
runtimeCore.RunningBlock = origRunningBlock;
}
if (runtimeCore.CurrentExecutive != null)
{
runtimeCore.CurrentExecutive.CurrentDSASMExec = oldDSASMExec;
}
return svRet; //DSASM.Mirror.ExecutionMirror.Unpack(svRet, core.heap, core);
}
public override StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, List<Instruction> breakpoints, ProtoCore.DebugServices.EventSink sink, bool fepRun = false)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core);
CurrentDSASMExec = interpreter.runtime;
return interpreter.Run(breakpoints, codeblock, entry, ProtoCore.Language.kImperative);
}
private object GetArray(StackValue o,
ProtoCore.DSASM.Interpreter dsi,
out int size)
{
size = 0;
int ptr = (int)o.opdata;
HeapElement hs = dsi.runtime.rmem.Heap.Heaplist[ptr];
size = hs.VisibleSize;
if (size == 0)
{
return(null);
}
IList elements = null;
var opType = hs.Stack[0].optype;
if (opType == AddressType.Boolean)
{
elements = new List <bool>();
}
else if (opType == AddressType.Double)
{
elements = new List <double>();
}
else if (opType == AddressType.Int)
{
elements = new List <int>();
}
else if (opType == AddressType.ArrayPointer)
{
throw new ArgumentException("FFI does not support nested arrays");
}
else
{
throw new ArgumentException(string.Format("Argument of type {0} is not supported for FFI Marshalling", opType.ToString()));
}
for (int idx = 0; idx < size; ++idx)
{
var op = hs.Stack[idx];
if (opType == AddressType.Double)
{
elements.Add(op.opdata_d);
}
else if (opType == AddressType.Int)
{
elements.Add((int)op.opdata);
}
else if (opType == AddressType.Boolean)
{
elements.Add(op.opdata == 0 ? true : false);
}
}
// now based on the type of element in ds-array
// create a new array and return it
//
if (opType == AddressType.Double)
{
double[] arr = new double[size];
elements.CopyTo(arr, 0);
return(arr);
}
else if (opType == AddressType.Int)
{
int[] arr = new int[size];
elements.CopyTo(arr, 0);
return(arr);
}
else if (opType == AddressType.Boolean)
{
bool[] arr = new bool[size];
elements.CopyTo(arr, 0);
return(arr);
}
else
{
size = 0;
return(null);
}
}
public abstract Object Execute(ProtoCore.Runtime.Context c, ProtoCore.DSASM.Interpreter dsi, List <StackValue> stack);
public override StackValue Execute(int codeblock, int entry, ProtoCore.Runtime.Context callContext, System.Collections.Generic.List<Instruction> breakpoints, ProtoCore.DebugServices.EventSink sink = null, bool fepRun = false)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, fepRun);
CurrentDSASMExec = interpreter.runtime;
StackValue sv = interpreter.Run(breakpoints, codeblock, entry, Language.kAssociative);
return sv;
}
public StackValue Execute(int codeblock, int entry, bool fepRun = false, System.Collections.Generic.List<Instruction> breakpoints = null)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(runtimeCore, fepRun);
CurrentDSASMExec = interpreter.runtime;
return interpreter.Run(codeblock, entry, CurrentDSASMExec.executingLanguage, breakpoints);
}
private object ConvertReturnValue(object retVal, ProtoCore.Runtime.Context context, ProtoCore.DSASM.Interpreter dsi)
{
object returnValue = retVal;
// these are arrays!
if (mReturnType.IsIndexable)
{
// we have already asserted that these can be of rank 1 only, for now
//
IntPtr arrPtr = (IntPtr)retVal;
if (arrPtr == IntPtr.Zero)
{
return(StackValue.Null);
}
_Array arr = (_Array)Marshal.PtrToStructure(arrPtr, typeof(_Array));
if (mReturnType.Name == "double")
{
double[] elements = new double[arr.numElems];
Marshal.Copy(arr.elements, elements, 0, arr.numElems);
// free up the memory
Marshal.FreeCoTaskMem(arr.elements);
Marshal.FreeCoTaskMem(arrPtr);
returnValue = ConvertCSArrayToDSArray(elements, dsi);
}
else if (mReturnType.Name == "int")
{
int[] elements = new int[arr.numElems];
Marshal.Copy(arr.elements, elements, 0, arr.numElems);
return(elements);
}
else
{
throw new ArgumentException(string.Format("FFI: unknown type {0} to marshall", mReturnType.Name));
}
}
return(returnValue);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
List<Object> parameters = new List<object>();
List<StackValue> s = dsi.runtime.rmem.Stack;
Object thisObject = null;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
if (!ReflectionInfo.IsStatic)
{
try
{
thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainThisObject, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, message);
return null;
}
if (thisObject == null)
return null; //Can't call a method on null object.
}
ParameterInfo[] paraminfos = ReflectionInfo.GetParameters();
for (int i = 0; i < mArgTypes.Length; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.kStackFrameSize - locals - i - 1;
StackValue opArg = dsi.runtime.rmem.GetAtRelative(relative);
try
{
Type paramType = paraminfos[i].ParameterType;
object param = null;
if (opArg.IsDefaultArgument)
param = Type.Missing;
else
param = marshaller.UnMarshal(opArg, c, dsi, paramType);
//null is passed for a value type, so we must return null
//rather than interpreting any value from null. fix defect 1462014
if (!paramType.IsGenericType && paramType.IsValueType && param == null)
{
//This is going to cause a cast exception. This is a very frequently called problem, so we want to short-cut the execution
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation,
string.Format(Resources.FailedToCastFromNull, paraminfos[i].ParameterType.Name));
return null;
//throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", paraminfos[i].ParameterType.Name));
}
parameters.Add(param);
}
catch (System.InvalidCastException ex)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
return null;
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainObject, paraminfos[i].ParameterType.Name, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, message);
return null;
}
}
return InvokeFunctionPointerNoThrow(c, dsi, thisObject, parameters.Count > 0 ? parameters.ToArray() : null);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
Object retVal = base.Execute(c, dsi);
List<ProtoCore.DSASM.StackValue> s = dsi.runtime.rmem.Stack;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.Core);
marshaller.OnDispose(s.Last(), c, dsi); //Notify marshler for dispose.
return retVal;
}
public override StackValue Execute(ProtoCore.Runtime.Context c, List <StackValue> formalParameters, ProtoCore.DSASM.StackFrame stackFrame, Core core)
{
ProtoCore.DSASM.Interpreter interpreter = new ProtoCore.DSASM.Interpreter(core, true);
ProtoCore.DSASM.Executive oldDSASMExec = null;
if (core.CurrentExecutive != null)
{
oldDSASMExec = core.CurrentExecutive.CurrentDSASMExec;
core.CurrentExecutive.CurrentDSASMExec = interpreter.runtime;
}
// Assert for the block type
activation.globs = core.DSExecutable.runtimeSymbols[core.RunningBlock].GetGlobalSize();
//
// Comment Jun:
// Storing execution states is relevant only if the current scope is a function,
// as this mechanism is used to keep track of maintining execution states of recursive calls
// This mechanism should also be ignored if the function call is non-recursive as it does not need to maintains state in that case
int execStateSize = procedureNode.GraphNodeList.Count;
stackFrame.ExecutionStateSize = execStateSize;
for (int n = execStateSize - 1; n >= 0; --n)
{
AssociativeGraph.GraphNode gnode = procedureNode.GraphNodeList[n];
interpreter.Push(StackValue.BuildBoolean(gnode.isDirty));
}
// Push Params
formalParameters.Reverse();
for (int i = 0; i < formalParameters.Count; i++)
{
interpreter.Push(formalParameters[i]);
}
StackValue svThisPtr = stackFrame.ThisPtr;
StackValue svBlockDecl = StackValue.BuildBlockIndex(stackFrame.FunctionBlock);
// Jun: Make sure we have no empty or unaligned frame data
Validity.Assert(DSASM.StackFrame.kStackFrameSize == stackFrame.Frame.Length);
// Setup the stack frame data
//int thisPtr = (int)stackFrame.GetAt(DSASM.StackFrame.AbsoluteIndex.kThisPtr).opdata;
int ci = activation.classIndex;
int fi = activation.funcIndex;
int returnAddr = stackFrame.ReturnPC;
int blockDecl = stackFrame.FunctionBlock;
int blockCaller = stackFrame.FunctionCallerBlock;
int framePointer = core.Rmem.FramePointer;
int locals = activation.locals;
// Update the running block to tell the execution engine which set of instruction to execute
// TODO(Jun/Jiong): Considering store the orig block id to stack frame
int origRunningBlock = core.RunningBlock;
core.RunningBlock = (int)svBlockDecl.opdata;
// Set SX register
interpreter.runtime.SX = svBlockDecl;
StackFrameType callerType = stackFrame.CallerStackFrameType;
List <StackValue> registers = new List <DSASM.StackValue>();
StackValue svCallConvention;
bool isDispose = CoreUtils.IsDisposeMethod(procedureNode.name);
bool explicitCall = !c.IsReplicating && !c.IsImplicitCall && !isDispose;
if (explicitCall)
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kExplicit);
}
else
{
svCallConvention = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.CallType.kImplicit);
}
stackFrame.TX = svCallConvention;
interpreter.runtime.TX = svCallConvention;
// Set SX register
stackFrame.SX = svBlockDecl;
interpreter.runtime.SX = svBlockDecl;
// TODO Jun:
// The stackframe carries the current set of registers
// Determine if this can be done even for the non explicit call implementation
registers.AddRange(stackFrame.GetRegisters());
// Comment Jun: the depth is always 0 for a function call as we are reseting this for each function call
// This is only incremented for every language block bounce
int depth = stackFrame.Depth;
DSASM.StackFrameType type = stackFrame.StackFrameType;
Validity.Assert(depth == 0);
Validity.Assert(type == DSASM.StackFrameType.kTypeFunction);
core.Rmem.PushStackFrame(svThisPtr, ci, fi, returnAddr, blockDecl, blockCaller, callerType, type, depth, framePointer, registers, locals, execStateSize);
StackValue svRet;
if (explicitCall)
{
svRet = ProtoCore.DSASM.StackValue.BuildExplicitCall(activation.pc);
}
else
{
svRet = interpreter.Run(core.RunningBlock, activation.pc, Language.kInvalid, core.Breakpoints);
core.RunningBlock = origRunningBlock;
}
if (core.CurrentExecutive != null)
{
core.CurrentExecutive.CurrentDSASMExec = oldDSASMExec;
}
return(svRet); //DSASM.Mirror.ExecutionMirror.Unpack(svRet, core.heap, core);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
List<StackValue> s = dsi.runtime.rmem.Stack;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
var thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
//Notify marshler for dispose.
marshaller.OnDispose(s.Last(), c, dsi);
Object retVal = null;
if (ReflectionInfo.IsWrapperOf(CLRModuleType.DisposeMethod))
{
// For those FFI objects that are disposable but don't provide
// Dispose() method in their classes, they will share a same
// Dispose() method from CLRModuleType.DisposeMethod. We need
// to manually dispose them.
if (thisObject != null && thisObject is IDisposable)
{
var disposable = thisObject as IDisposable;
disposable.Dispose();
}
}
else
{
retVal = InvokeFunctionPointerNoThrow(c, dsi, thisObject, null);
}
return retVal;
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
Object retVal = base.Execute(c, dsi);
if (retVal == null)
{
return null;
}
StackValue propValue = (StackValue)retVal;
StackValue thisObject = dsi.runtime.rmem.Stack.Last();
bool isValidPointer = thisObject.IsPointer && thisObject.opdata != Constants.kInvalidIndex;
if (isValidPointer && propValue.IsReferenceType)
{
int classIndex = thisObject.metaData.type;
if (classIndex != ProtoCore.DSASM.Constants.kInvalidIndex)
{
var runtimeCore = dsi.runtime.RuntimeCore;
int idx = runtimeCore.DSExecutable.classTable.ClassNodes[classIndex].symbols.IndexOf(PropertyName);
var obj = runtimeCore.Heap.ToHeapObject<DSObject>(thisObject);
StackValue oldValue = obj.GetValueFromIndex(idx, runtimeCore);
if (!StackUtils.Equals(oldValue, propValue))
{
obj.SetValueAtIndex(idx, propValue, runtimeCore);
}
}
}
return retVal;
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
List<Object> parameters = new List<object>();
List<StackValue> s = dsi.runtime.rmem.Stack;
Object thisObject = null;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
if (!ReflectionInfo.IsStatic)
{
try
{
thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainThisObject, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation, message);
return null;
}
if (thisObject == null)
return null; //Can't call a method on null object.
}
FFIParameterInfo[] paraminfos = ReflectionInfo.GetParameters();
List<StackValue> referencedParameters = new List<StackValue>();
for (int i = 0; i < mArgTypes.Length; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.StackFrameSize - locals - i - 1;
StackValue opArg = dsi.runtime.rmem.GetAtRelative(relative);
try
{
Type paramType = paraminfos[i].Info.ParameterType;
object param = null;
if (opArg.IsDefaultArgument)
param = Type.Missing;
else
param = marshaller.UnMarshal(opArg, c, dsi, paramType);
if (paraminfos[i].KeepReference && opArg.IsReferenceType)
{
referencedParameters.Add(opArg);
}
//null is passed for a value type, so we must return null
//rather than interpreting any value from null. fix defect 1462014
if (!paramType.IsGenericType && paramType.IsValueType && param == null)
{
//This is going to cause a cast exception. This is a very frequently called problem, so we want to short-cut the execution
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation,
string.Format(Resources.FailedToCastFromNull, paraminfos[i].Info.ParameterType.Name));
return null;
//throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", paraminfos[i].ParameterType.Name));
}
parameters.Add(param);
}
catch (System.InvalidCastException ex)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation, ex.Message);
return null;
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainObject, paraminfos[i].Info.ParameterType.Name, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation, message);
return null;
}
}
var ret = InvokeFunctionPointerNoThrow(c, dsi, thisObject, parameters.Count > 0 ? parameters.ToArray() : null);
if (ReflectionInfo.KeepReferenceThis && thisObject != null)
{
referencedParameters.Add(s.Last());
}
int count = referencedParameters.Count;
if (count > 0 && (ret is StackValue))
{
// If there is a parameter who has attribute [KeepReference],
// it means this parameter will cross the DesignScript boundary
// and be referenced by C# object. Therefore, when its DS
// wrapper object is out of scope, we shouldn't dispose it;
// otherwise that C# object will reference to an invalid object.
//
// Similarly, if the method has attribute [KeepReferenceThis],
// it means the return object will reference to this object
// internally, so we shouldn't dispose this object.
//
// The hack here is to treat them like properties in the return
// object. Note all DS wrapper objects are dummy objects who
// haven't any members. By allocating extra space on the heap,
// we store the reference in the return object so that the
// parameter will have the same lifecycle as the return object.
//
// One case need to consider about is the type of return value.
// If the return value is an array, we have to recursively go
// into the array and expand the element, instead of setting
// these hidden information directly on the array.
try
{
SetReferenceObjects((StackValue)ret, referencedParameters, dsi.runtime);
}
catch (RunOutOfMemoryException)
{
dsi.runtime.RuntimeCore.RuntimeStatus.LogWarning(ProtoCore.Runtime.WarningID.RunOutOfMemory, Resources.RunOutOfMemory);
return StackValue.Null;
}
}
return ret;
}