public void TestBuildManualCyclicPointer01()
{
int allocationSize = 1;
// Allocate a pointer
int ptr = core.Rmem.Heap.Allocate(allocationSize);
// Pointer data that points to its own heap element
int pointerData = ptr;
// Build a pointer whose data points to its own heap element
StackValue sv = StackValue.BuildPointer(pointerData);
core.Rmem.Heap.IncRefCount(sv);
core.Rmem.Heap.Heaplist[ptr].Stack[0] = sv;
// Verify the heap contains a cycle
Assert.IsTrue(ProtoCore.Utils.HeapUtils.IsHeapCyclic(core));
}
public void PushStackFrame(int ptr, int classIndex, int funcIndex, int pc, int functionBlockDecl, int functionBlockCaller, StackFrameType callerType, StackFrameType type, int depth, int fp, List <StackValue> registers, int locsize, int executionStates)
{
// TODO Jun: Performance
// Push frame should only require adjusting the frame index instead of pushing dummy elements
PushFrame(locsize);
Push(StackValue.BuildInt(fp));
PushRegisters(registers);
Push(StackValue.BuildInt(executionStates));
Push(StackValue.BuildInt(0));
Push(StackValue.BuildInt(depth));
Push(StackValue.BuildFrameType((int)type));
Push(StackValue.BuildFrameType((int)callerType));
Push(StackValue.BuildBlockIndex(functionBlockCaller));
Push(StackValue.BuildBlockIndex(functionBlockDecl));
Push(StackValue.BuildInt(pc));
Push(StackValue.BuildInt(funcIndex));
Push(StackValue.BuildInt(classIndex));
Push(StackValue.BuildPointer(ptr));
FramePointer = Stack.Count;
}
public void TestBuildManualCyclicPointer02()
{
int allocationSize = 1;
// Allocate 2 pointers
int ptr1 = core.Rmem.Heap.Allocate(allocationSize);
int ptr2 = core.Rmem.Heap.Allocate(allocationSize);
// Build a pointer whose data points to its own heap element
StackValue svPtr1 = StackValue.BuildPointer(ptr2);
core.Rmem.Heap.IncRefCount(svPtr1);
core.Rmem.Heap.Heaplist[ptr1].Stack[0] = svPtr1;
// Build a 2nd pointer that points to the first pointer
StackValue svPtr2 = StackValue.BuildPointer(ptr1);
core.Rmem.Heap.IncRefCount(svPtr2);
core.Rmem.Heap.Heaplist[ptr2].Stack[0] = svPtr2;
// Verify the heap contains a cycle
Assert.IsTrue(ProtoCore.Utils.HeapUtils.IsHeapCyclic(core));
}
public StackValue Evaluate(List <StackValue> args, StackFrame stackFrame)
{
// Build the stackframe
var runtimeCore = interpreter.runtime.RuntimeCore;
int classScopeCaller = stackFrame.ClassScope;
int returnAddr = stackFrame.ReturnPC;
int blockDecl = procNode.RuntimeIndex;
int blockCaller = stackFrame.FunctionCallerBlock;
int framePointer = runtimeCore.RuntimeMemory.FramePointer;
StackValue thisPtr = StackValue.BuildPointer(Constants.kInvalidIndex);
// Functoion has variable input parameter. This case only happen
// for FFI functions whose last parameter's type is (params T[]).
// In this case, we need to convert argument list from
//
// {a1, a2, ..., am, v1, v2, ..., vn}
//
// to
//
// {a1, a2, ..., am, {v1, v2, ..., vn}}
if (procNode.IsVarArg)
{
int paramCount = procNode.ArgumentInfos.Count;
Validity.Assert(paramCount >= 1);
int varParamCount = args.Count - (paramCount - 1);
var varParams = args.GetRange(paramCount - 1, varParamCount).ToArray();
args.RemoveRange(paramCount - 1, varParamCount);
try
{
var packedParams = interpreter.runtime.rmem.Heap.AllocateArray(varParams);
args.Add(packedParams);
}
catch (RunOutOfMemoryException)
{
interpreter.runtime.RuntimeCore.RuntimeStatus.LogWarning(WarningID.RunOutOfMemory, Resources.RunOutOfMemory);
return(StackValue.Null);
}
}
bool isCallingMemberFunciton = procNode.ClassID != Constants.kInvalidIndex &&
!procNode.IsConstructor &&
!procNode.IsStatic;
bool isValidThisPointer = true;
if (isCallingMemberFunciton)
{
Validity.Assert(args.Count >= 1);
thisPtr = args[0];
if (thisPtr.IsArray)
{
isValidThisPointer = ArrayUtils.GetFirstNonArrayStackValue(thisPtr, ref thisPtr, runtimeCore);
}
else
{
args.RemoveAt(0);
}
}
if (!isValidThisPointer || (!thisPtr.IsPointer && !thisPtr.IsArray))
{
runtimeCore.RuntimeStatus.LogWarning(WarningID.DereferencingNonPointer,
Resources.kDeferencingNonPointer);
return(StackValue.Null);
}
var callerType = stackFrame.StackFrameType;
interpreter.runtime.TX = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.Implicit);
StackValue svBlockDecl = StackValue.BuildBlockIndex(blockDecl);
// interpreter.runtime.SX = svBlockDecl;
List <StackValue> registers = interpreter.runtime.GetRegisters();
var newStackFrame = new StackFrame(thisPtr,
classScopeCaller,
1,
returnAddr,
blockDecl,
blockCaller,
callerType,
StackFrameType.Function,
0, // depth
framePointer,
svBlockDecl.BlockIndex,
registers,
0);
bool isInDebugMode = runtimeCore.Options.IDEDebugMode &&
runtimeCore.Options.RunMode != InterpreterMode.Expression;
if (isInDebugMode)
{
runtimeCore.DebugProps.SetUpCallrForDebug(
runtimeCore,
interpreter.runtime,
procNode,
returnAddr - 1,
false,
callsite,
args,
new List <List <ProtoCore.ReplicationGuide> >(),
newStackFrame);
}
StackValue rx = callsite.JILDispatchViaNewInterpreter(
new Runtime.Context(),
args,
new List <List <ProtoCore.ReplicationGuide> >(),
null,
newStackFrame,
runtimeCore);
if (isInDebugMode)
{
runtimeCore.DebugProps.RestoreCallrForNoBreak(runtimeCore, procNode);
}
return(rx);
}
public StackValue Evaluate(List <StackValue> args, StackFrame stackFrame)
{
// Build the stackframe
var runtimeCore = interpreter.runtime.Core;
int classScopeCaller = (int)stackFrame.GetAt(StackFrame.AbsoluteIndex.kClass).opdata;
int returnAddr = (int)stackFrame.GetAt(StackFrame.AbsoluteIndex.kReturnAddress).opdata;
int blockDecl = (int)procNode.runtimeIndex;
int blockCaller = (int)stackFrame.GetAt(StackFrame.AbsoluteIndex.kFunctionCallerBlock).opdata;
int framePointer = runtimeCore.Rmem.FramePointer;
StackValue thisPtr = StackValue.BuildPointer(-1);
bool isCallingMemberFunciton = procNode.classScope != Constants.kInvalidIndex &&
!procNode.isConstructor &&
!procNode.isStatic;
bool isValidThisPointer = true;
if (isCallingMemberFunciton)
{
Validity.Assert(args.Count >= 1);
thisPtr = args[0];
if (thisPtr.IsArray)
{
isValidThisPointer = ArrayUtils.GetFirstNonArrayStackValue(thisPtr, ref thisPtr, runtimeCore);
}
else
{
args.RemoveAt(0);
}
}
if (!isValidThisPointer || (!thisPtr.IsPointer && !thisPtr.IsArray))
{
runtimeCore.RuntimeStatus.LogWarning(WarningID.kDereferencingNonPointer,
WarningMessage.kDeferencingNonPointer);
return(StackValue.Null);
}
var callerType = (StackFrameType)stackFrame.GetAt(StackFrame.AbsoluteIndex.kStackFrameType).opdata;
interpreter.runtime.TX = StackValue.BuildCallingConversion((int)ProtoCore.DSASM.CallingConvention.BounceType.kImplicit);
StackValue svBlockDecl = StackValue.BuildBlockIndex(blockDecl);
interpreter.runtime.SX = svBlockDecl;
var repGuides = new List <List <ProtoCore.ReplicationGuide> >();
List <StackValue> registers = new List <StackValue>();
interpreter.runtime.SaveRegisters(registers);
var newStackFrame = new StackFrame(thisPtr,
classScopeCaller,
1,
returnAddr,
blockDecl,
blockCaller,
callerType,
StackFrameType.kTypeFunction,
0, // depth
framePointer,
registers,
null);
bool isInDebugMode = runtimeCore.Options.IDEDebugMode &&
runtimeCore.ExecMode != InterpreterMode.kExpressionInterpreter;
if (isInDebugMode)
{
runtimeCore.DebugProps.SetUpCallrForDebug(runtimeCore,
interpreter.runtime,
procNode,
returnAddr - 1,
false,
callsite,
args,
repGuides,
newStackFrame);
}
StackValue rx = callsite.JILDispatchViaNewInterpreter(
new Runtime.Context(),
args,
repGuides,
newStackFrame,
runtimeCore);
if (isInDebugMode)
{
runtimeCore.DebugProps.RestoreCallrForNoBreak(runtimeCore, procNode);
}
return(rx);
}