/// <summary>
/// Import thunks are used to call a runtime-provided helper which fixes up an indirection cell in a particular
/// import section. Optionally they may also contain a relocation for a specific indirection cell to fix up.
/// </summary>
public ImportThunk(NodeFactory factory, ReadyToRunHelper helperId, ImportSectionNode containingImportSection, bool useVirtualCall)
{
_helperCell = factory.GetReadyToRunHelperCell(helperId);
_containingImportSection = containingImportSection;
if (useVirtualCall)
{
_thunkKind = Kind.VirtualStubDispatch;
}
else if (helperId == ReadyToRunHelper.GetString)
{
_thunkKind = Kind.Lazy;
}
else if (helperId == ReadyToRunHelper.DelayLoad_MethodCall ||
helperId == ReadyToRunHelper.DelayLoad_Helper ||
helperId == ReadyToRunHelper.DelayLoad_Helper_Obj ||
helperId == ReadyToRunHelper.DelayLoad_Helper_ObjObj)
{
_thunkKind = Kind.DelayLoadHelper;
}
else
{
_thunkKind = Kind.Eager;
}
}
public ImportThunk(ReadyToRunHelper helperId, ReadyToRunCodegenNodeFactory factory, Import instanceCell)
{
_helperCell = factory.GetReadyToRunHelperCell(helperId & ~ReadyToRunHelper.READYTORUN_HELPER_FLAG_VSD);
_instanceCell = instanceCell;
_moduleImport = factory.ModuleImport;
if ((uint)(helperId & ReadyToRunHelper.READYTORUN_HELPER_FLAG_VSD) != 0)
{
_thunkKind = Kind.VirtualStubDispatch;
}
else if (helperId == ReadyToRunHelper.READYTORUN_HELPER_GetString)
{
_thunkKind = Kind.Lazy;
}
else if (helperId == ReadyToRunHelper.READYTORUN_HELPER_DelayLoad_MethodCall ||
helperId == ReadyToRunHelper.READYTORUN_HELPER_DelayLoad_Helper ||
helperId == ReadyToRunHelper.READYTORUN_HELPER_DelayLoad_Helper_Obj ||
helperId == ReadyToRunHelper.READYTORUN_HELPER_DelayLoad_Helper_ObjObj)
{
_thunkKind = Kind.DelayLoadHelper;
}
else
{
_thunkKind = Kind.Eager;
}
}
public ImportThunkKey(ReadyToRunHelper helper, ImportSectionNode containingImportSection, bool useVirtualCall, bool useJumpableStub)
{
Helper = helper;
ContainingImportSection = containingImportSection;
UseVirtualCall = useVirtualCall;
UseJumpableStub = useJumpableStub;
}
public ImportThunk(ReadyToRunHelper helperId, ReadyToRunCodegenNodeFactory factory, Import instanceCell, bool useVirtualCall)
{
_helperCell = factory.GetReadyToRunHelperCell(helperId);
_instanceCell = instanceCell;
_moduleImport = factory.ModuleImport;
if (useVirtualCall)
{
_thunkKind = Kind.VirtualStubDispatch;
}
else if (helperId == ReadyToRunHelper.GetString)
{
_thunkKind = Kind.Lazy;
}
else if (helperId == ReadyToRunHelper.DelayLoad_MethodCall ||
helperId == ReadyToRunHelper.DelayLoad_Helper ||
helperId == ReadyToRunHelper.DelayLoad_Helper_Obj ||
helperId == ReadyToRunHelper.DelayLoad_Helper_ObjObj)
{
_thunkKind = Kind.DelayLoadHelper;
}
else
{
_thunkKind = Kind.Eager;
}
}
public ISymbolNode GetReadyToRunHelperCell(ReadyToRunHelper helperId)
{
if (!_constructedHelpers.TryGetValue(helperId, out ISymbolNode helperCell))
{
helperCell = CreateReadyToRunHelperCell(helperId);
_constructedHelpers.Add(helperId, helperCell);
}
return(helperCell);
}
public IActionResult Post([FromBody] QuoterRequestArgument arguments)
{
string prefix = null;
string responseText = "Quoter is currently down for maintenance. Please check back later.";
if (arguments is null)
{
return BadRequest(responseText);
}
if (string.IsNullOrEmpty(arguments.SourceText))
{
responseText = "Please specify the source text.";
}
else if (arguments.SourceText.Length > 2000)
{
responseText = "Only strings shorter than 2000 characters are supported; your input string is " + arguments.SourceText.Length + " characters long.";
}
else
{
try
{
var quoter = new Quoter
{
OpenParenthesisOnNewLine = arguments.OpenCurlyOnNewLine,
ClosingParenthesisOnNewLine = arguments.CloseCurlyOnNewLine,
UseDefaultFormatting = !arguments.PreserveOriginalWhitespace,
RemoveRedundantModifyingCalls = !arguments.KeepRedundantApiCalls,
ShortenCodeWithUsingStatic = !arguments.AvoidUsingStatic
};
responseText = quoter.QuoteText(arguments.SourceText, arguments.NodeKind);
if (arguments.ReadyToRun)
{
responseText = ReadyToRunHelper.CreateReadyToRunCode(arguments, responseText);
}
}
catch (Exception ex)
{
responseText = ex.ToString();
prefix = "Congratulations! You've found a bug in Quoter! Please open an issue at <a href=\"https://github.com/KirillOsenkov/RoslynQuoter/issues/new\" target=\"_blank\">https://github.com/KirillOsenkov/RoslynQuoter/issues/new</a> and paste the code you've typed above and this stack:";
}
}
responseText = HttpUtility.HtmlEncode(responseText);
if (prefix != null)
{
responseText = "<div class=\"error\"><p>" + prefix + "</p><p>" + responseText + "</p><p><br/>P.S. Sorry!</p></div>";
}
return Ok(responseText);
}
public DelayLoadHelperImport(
ReadyToRunCodegenNodeFactory factory,
ImportSectionNode importSectionNode,
ReadyToRunHelper helper,
Signature instanceSignature,
bool useVirtualCall = false,
string callSite = null)
: base(importSectionNode, instanceSignature, callSite)
{
_helper = helper;
_useVirtualCall = useVirtualCall;
_delayLoadHelper = new ImportThunk(helper, factory, this, useVirtualCall);
}
public DelayLoadHelperMethodImport(
ReadyToRunCodegenNodeFactory factory,
ImportSectionNode importSectionNode,
ReadyToRunHelper helper,
MethodDesc methodDesc,
Signature instanceSignature,
string callSite = null)
: base(factory, importSectionNode, helper, instanceSignature, callSite)
{
_helper = helper;
_methodDesc = methodDesc;
_delayLoadHelper = new ImportThunk(helper, factory, this);
}
public DelayLoadHelperImport(
NodeFactory factory,
ImportSectionNode importSectionNode,
ReadyToRunHelper helper,
Signature instanceSignature,
bool useVirtualCall = false,
MethodDesc callingMethod = null)
: base(importSectionNode, instanceSignature, callingMethod)
{
_helper = helper;
_useVirtualCall = useVirtualCall;
_delayLoadHelper = new ImportThunk(helper, factory, this, useVirtualCall);
}
public DelayLoadHelperMethodImport(
NodeFactory factory,
ImportSectionNode importSectionNode,
ReadyToRunHelper helper,
MethodWithToken method,
bool useVirtualCall,
bool useInstantiatingStub,
Signature instanceSignature,
MethodDesc callingMethod = null)
: base(factory, importSectionNode, helper, instanceSignature, useVirtualCall, callingMethod)
{
_method = method;
_useInstantiatingStub = useInstantiatingStub;
}
public DelayLoadHelperMethodImport(
ReadyToRunCodegenNodeFactory factory,
ImportSectionNode importSectionNode,
ReadyToRunHelper helper,
MethodWithToken method,
bool useVirtualCall,
bool useInstantiatingStub,
Signature instanceSignature,
SignatureContext signatureContext,
string callSite = null)
: base(factory, importSectionNode, helper, instanceSignature, useVirtualCall, callSite)
{
_method = method;
_useInstantiatingStub = useInstantiatingStub;
_signatureContext = signatureContext;
}
private ISymbolNode GetHelperEntrypoint(ReadyToRunHelper helper)
{
string mangledName;
MethodDesc methodDesc;
JitHelper.GetEntryPoint(_compilation.TypeSystemContext, helper, out mangledName, out methodDesc);
Debug.Assert(mangledName != null || methodDesc != null);
ISymbolNode entryPoint;
if (mangledName != null)
{
entryPoint = _compilation.NodeFactory.ExternSymbol(mangledName);
}
else
{
entryPoint = _compilation.NodeFactory.MethodEntrypoint(methodDesc);
}
return(entryPoint);
}
public ImportThunk ImportThunk(ReadyToRunHelper helper, ImportSectionNode containingImportSection, bool useVirtualCall, bool useJumpableStub)
{
ImportThunkKey thunkKey = new ImportThunkKey(helper, containingImportSection, useVirtualCall, useJumpableStub);
return(_importThunks.GetOrAdd(thunkKey));
}
public ReadyToRunHelperNode ReadyToRunHelper(ReadyToRunHelper helper)
{
return(_readyToRunHelpers.GetOrAdd(helper));
}
public Import GetReadyToRunHelperCell(ReadyToRunHelper helperId)
{
return(_constructedHelpers.GetOrAdd(helperId));
}
public ReadyToRunHelperNode(ReadyToRunHelper helper)
{
_helper = helper;
}
private ISymbolNode CreateReadyToRunHelperCell(ReadyToRunHelper helperId)
{
return(new Import(EagerImports, new ReadyToRunHelperSignature(helperId)));
}
public ISymbolNode GetReadyToRunHelperCell(ReadyToRunHelper helperId)
{
return(_constructedHelpers.GetOrAdd(helperId));
}
public ReadyToRunHelperSignature(ReadyToRunHelper helper)
{
_helperID = helper;
}
public ReadyToRunHelperSignature(ReadyToRunHelper helper)
{
Debug.Assert(helper < ReadyToRunHelper.FirstFakeHelper);
_helperID = helper;
}
/// <summary>
/// Returns JIT helper entrypoint. JIT helpers can be either implemented by entrypoint with given mangled name or
/// by a method in class library.
/// </summary>
static public void GetEntryPoint(TypeSystemContext context, ReadyToRunHelper id, out string mangledName, out MethodDesc methodDesc)
{
mangledName = null;
methodDesc = null;
switch (id)
{
case ReadyToRunHelper.Throw:
mangledName = "RhpThrowEx";
break;
case ReadyToRunHelper.Rethrow:
mangledName = "RhpRethrow";
break;
case ReadyToRunHelper.Overflow:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowOverflowException");
break;
case ReadyToRunHelper.RngChkFail:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowIndexOutOfRangeException");
break;
case ReadyToRunHelper.FailFast:
mangledName = "__fail_fast"; // TODO: Report stack buffer overrun
break;
case ReadyToRunHelper.ThrowNullRef:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowNullReferenceException");
break;
case ReadyToRunHelper.ThrowDivZero:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowDivideByZeroException");
break;
case ReadyToRunHelper.DebugBreak:
mangledName = "RhDebugBreak";
break;
case ReadyToRunHelper.WriteBarrier:
mangledName = "RhpAssignRef";
break;
case ReadyToRunHelper.CheckedWriteBarrier:
mangledName = "RhpCheckedAssignRef";
break;
case ReadyToRunHelper.ByRefWriteBarrier:
mangledName = "RhpByRefAssignRef";
break;
case ReadyToRunHelper.Box:
case ReadyToRunHelper.Box_Nullable:
mangledName = "RhBox";
break;
case ReadyToRunHelper.Unbox:
mangledName = "RhUnbox2";
break;
case ReadyToRunHelper.Unbox_Nullable:
mangledName = "RhUnboxNullable";
break;
case ReadyToRunHelper.NewMultiDimArr_NonVarArg:
methodDesc = context.GetHelperEntryPoint("ArrayHelpers", "NewObjArray");
break;
case ReadyToRunHelper.Stelem_Ref:
mangledName = "RhpStelemRef";
break;
case ReadyToRunHelper.Ldelema_Ref:
mangledName = "RhpLdelemaRef";
break;
case ReadyToRunHelper.MemCpy:
mangledName = "memcpy"; // TODO: Null reference handling
break;
case ReadyToRunHelper.MemSet:
mangledName = "memset"; // TODO: Null reference handling
break;
case ReadyToRunHelper.GetRuntimeTypeHandle:
methodDesc = context.GetHelperEntryPoint("LdTokenHelpers", "GetRuntimeTypeHandle");
break;
case ReadyToRunHelper.GetRuntimeMethodHandle: // TODO: Reflection
case ReadyToRunHelper.GetRuntimeFieldHandle: // TODO: Reflection
mangledName = "__fail_fast";
break;
case ReadyToRunHelper.Lng2Dbl:
mangledName = "RhpLng2Dbl";
break;
case ReadyToRunHelper.ULng2Dbl:
mangledName = "RhpULng2Dbl";
break;
case ReadyToRunHelper.Dbl2Lng:
mangledName = "RhpDbl2Lng";
break;
case ReadyToRunHelper.Dbl2ULng:
mangledName = "RhpDbl2ULng";
break;
case ReadyToRunHelper.Dbl2IntOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2IntOvf");
break;
case ReadyToRunHelper.Dbl2LngOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2LngOvf");
break;
case ReadyToRunHelper.Dbl2ULngOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2ULngOvf");
break;
case ReadyToRunHelper.DblRem:
mangledName = "RhpDblRem";
break;
case ReadyToRunHelper.FltRem:
mangledName = "RhpFltRem";
break;
case ReadyToRunHelper.PInvokeBegin:
mangledName = "RhpPInvoke";
break;
case ReadyToRunHelper.PInvokeEnd:
mangledName = "RhpPInvokeReturn";
break;
case ReadyToRunHelper.ReversePInvokeEnter:
mangledName = "RhpReversePInvoke2";
break;
case ReadyToRunHelper.ReversePInvokeExit:
mangledName = "RhpReversePInvokeReturn2";
break;
default:
throw new NotImplementedException(id.ToString());
}
}
public ReadyToRunHelperNode(ReadyToRunHelper helper)
{
_helper = helper;
}
