public static EXPR StripNullableConstructor(EXPR pExpr) { while (IsNullableConstructor(pExpr)) { Debug.Assert(pExpr.isCALL()); pExpr = pExpr.asCALL().GetOptionalArguments(); Debug.Assert(pExpr != null && !pExpr.isLIST()); } return pExpr; }
public static EXPR StripNullableConstructor(EXPR pExpr) { while (IsNullableConstructor(pExpr)) { Debug.Assert(pExpr.isCALL()); pExpr = pExpr.asCALL().GetOptionalArguments(); Debug.Assert(pExpr != null && !pExpr.isLIST()); } return(pExpr); }
public static bool IsNullableConstructor(EXPR expr) { Debug.Assert(expr != null); if (!expr.isCALL()) { return false; } EXPRCALL pCall = expr.asCALL(); if (pCall.GetMemberGroup().GetOptionalObject() != null) { return false; } MethodSymbol meth = pCall.mwi.Meth(); if (meth == null) { return false; } return meth.IsNullableConstructor(); }
public static bool IsNullableConstructor(EXPR expr) { Debug.Assert(expr != null); if (!expr.isCALL()) { return(false); } EXPRCALL pCall = expr.asCALL(); if (pCall.GetMemberGroup().GetOptionalObject() != null) { return(false); } MethodSymbol meth = pCall.mwi.Meth(); if (meth == null) { return(false); } return(meth.IsNullableConstructor()); }
protected bool IsDelegateConstructorCall(EXPR pExpr) { Debug.Assert(pExpr != null); if (!pExpr.isCALL()) { return false; } EXPRCALL pCall = pExpr.asCALL(); return pCall.mwi.Meth() != null && pCall.mwi.Meth().IsConstructor() && pCall.type.isDelegateType() && pCall.GetOptionalArguments() != null && pCall.GetOptionalArguments().isLIST() && pCall.GetOptionalArguments().asLIST().GetOptionalNextListNode().kind == ExpressionKind.EK_FUNCPTR; }
// Return true if we actually report a failure. protected bool TryReportLvalueFailure(EXPR expr, CheckLvalueKind kind) { Debug.Assert(expr != null); // We have a lvalue failure. Was the reason because this field // was marked readonly? Give special messages for this case. bool isNested = false; // Did we recurse on a field or property to give a better error? EXPR walk = expr; while (true) { Debug.Assert(walk != null); if (walk.isANYLOCAL_OK()) { ReportLocalError(walk.asANYLOCAL().local, kind, isNested); return(true); } EXPR pObject = null; if (walk.isPROP()) { // We've already reported read-only-property errors. Debug.Assert(walk.asPROP().mwtSet != null); pObject = walk.asPROP().GetMemberGroup().GetOptionalObject(); } else if (walk.isFIELD()) { EXPRFIELD field = walk.asFIELD(); if (field.fwt.Field().isReadOnly) { ReportReadOnlyError(field, kind, isNested); return(true); } if (!field.fwt.Field().isStatic) { pObject = field.GetOptionalObject(); } } if (pObject != null && pObject.type.isStructOrEnum()) { if (pObject.isCALL() || pObject.isPROP()) { // assigning to RHS of method or property getter returning a value-type on the stack or // passing RHS of method or property getter returning a value-type on the stack, as ref or out ErrorContext.Error(ErrorCode.ERR_ReturnNotLValue, pObject.GetSymWithType()); return(true); } if (pObject.isCAST()) { // An unboxing conversion. // // In the static compiler, we give the following error here: // ErrorContext.Error(pObject.GetTree(), ErrorCode.ERR_UnboxNotLValue); // // But in the runtime, we allow this - mark that we're doing an // unbox here, so that we gen the correct expression tree for it. pObject.flags |= EXPRFLAG.EXF_UNBOXRUNTIME; return(false); } } // everything else if (pObject != null && !pObject.isLvalue() && (walk.isFIELD() || (!isNested && walk.isPROP()))) { Debug.Assert(pObject.type.isStructOrEnum()); walk = pObject; } else { ErrorContext.Error(GetStandardLvalueError(kind)); return(true); } isNested = true; } }
private EXPR ReorderArgumentsForNamedAndOptional(EXPR callingObject, EXPR pResult) { EXPR arguments; AggregateType type; MethodOrPropertySymbol methprop; EXPRMEMGRP memgroup; TypeArray typeArgs; if (pResult.isCALL()) { EXPRCALL call = pResult.asCALL(); arguments = call.GetOptionalArguments(); type = call.mwi.Ats; methprop = call.mwi.Meth(); memgroup = call.GetMemberGroup(); typeArgs = call.mwi.TypeArgs; } else { Debug.Assert(pResult.isPROP()); EXPRPROP prop = pResult.asPROP(); arguments = prop.GetOptionalArguments(); type = prop.pwtSlot.Ats; methprop = prop.pwtSlot.Prop(); memgroup = prop.GetMemberGroup(); typeArgs = null; } ArgInfos argInfo = new ArgInfos(); bool b; argInfo.carg = ExpressionBinder.CountArguments(arguments, out b); _binder.FillInArgInfoFromArgList(argInfo, arguments); // We need to substitute type parameters BEFORE getting the most derived one because // we're binding against the base method, and the derived method may change the // generic arguments. TypeArray parameters = SymbolLoader.GetTypeManager().SubstTypeArray(methprop.Params, type, typeArgs); methprop = ExpressionBinder.GroupToArgsBinder.FindMostDerivedMethod(SymbolLoader, methprop, callingObject.type); ExpressionBinder.GroupToArgsBinder.ReOrderArgsForNamedArguments( methprop, parameters, type, memgroup, argInfo, _semanticChecker.GetTypeManager(), _exprFactory, SymbolLoader); { EXPR pList = null; // We reordered, so make a new list of them and set them on the constructor. // Go backwards cause lists are right-flushed. // Also perform the conversions to the right types. for (int i = argInfo.carg - 1; i >= 0; i--) { EXPR pArg = argInfo.prgexpr[i]; // Strip the name-ness away, since we don't need it. pArg = StripNamedArgument(pArg); // Perform the correct conversion. pArg = _binder.tryConvert(pArg, parameters[i]); if (pList == null) { pList = pArg; } else { pList = _exprFactory.CreateList(pArg, pList); } } if (pResult.isCALL()) { pResult.asCALL().SetOptionalArguments(pList); } else { pResult.asPROP().SetOptionalArguments(pList); } } return pResult; }
private void CheckForConditionalMethodError(EXPR pExpr) { Debug.Assert(pExpr.isCALL()); if (pExpr.isCALL()) { // This mimics the behavior of the native CompilerSymbolLoader in GetConditionalSymbols. Override // methods cannot have the conditional attribute, but implicitly acquire it from their slot. EXPRCALL call = pExpr.asCALL(); MethodSymbol method = call.mwi.Meth(); if (method.isOverride) { method = method.swtSlot.Meth(); } object[] conditions = method.AssociatedMemberInfo.GetCustomAttributes(typeof(ConditionalAttribute), false).ToArray(); if (conditions.Length > 0) { throw Error.BindCallToConditionalMethod(method.name); } } }
protected void verifyMethodArgs(EXPR call, CType callingObjectType) { Debug.Assert(call.isCALL() || call.isPROP()); EXPR argsPtr = call.getArgs(); SymWithType swt = call.GetSymWithType(); MethodOrPropertySymbol mp = swt.Sym.AsMethodOrPropertySymbol(); TypeArray pTypeArgs = call.isCALL() ? call.asCALL().mwi.TypeArgs : null; EXPR newArgs; AdjustCallArgumentsForParams(callingObjectType, swt.GetType(), mp, pTypeArgs, argsPtr, out newArgs); call.setArgs(newArgs); }
///////////////////////////////////////////////////////////////////////////////// private Expression GetExpression(EXPR pExpr) { if (pExpr.isWRAP()) { return _DictionaryOfParameters[pExpr.asWRAP().GetOptionalExpression().asCALL()]; } else if (pExpr.isCONSTANT()) { Debug.Assert(pExpr.type.IsNullType()); return null; } else { // We can have a convert node or a call of a user defined conversion. Debug.Assert(pExpr.isCALL()); EXPRCALL call = pExpr.asCALL(); PREDEFMETH pm = call.PredefinedMethod; Debug.Assert(pm == PREDEFMETH.PM_EXPRESSION_CONVERT || pm == PREDEFMETH.PM_EXPRESSION_CONVERT_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_NEWARRAYINIT || pm == PREDEFMETH.PM_EXPRESSION_CALL || pm == PREDEFMETH.PM_EXPRESSION_PROPERTY || pm == PREDEFMETH.PM_EXPRESSION_FIELD || pm == PREDEFMETH.PM_EXPRESSION_ARRAYINDEX || pm == PREDEFMETH.PM_EXPRESSION_ARRAYINDEX2 || pm == PREDEFMETH.PM_EXPRESSION_CONSTANT_OBJECT_TYPE || pm == PREDEFMETH.PM_EXPRESSION_NEW || // Binary operators. pm == PREDEFMETH.PM_EXPRESSION_ASSIGN || pm == PREDEFMETH.PM_EXPRESSION_ADD || pm == PREDEFMETH.PM_EXPRESSION_AND || pm == PREDEFMETH.PM_EXPRESSION_DIVIDE || pm == PREDEFMETH.PM_EXPRESSION_EQUAL || pm == PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR || pm == PREDEFMETH.PM_EXPRESSION_GREATERTHAN || pm == PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL || pm == PREDEFMETH.PM_EXPRESSION_LEFTSHIFT || pm == PREDEFMETH.PM_EXPRESSION_LESSTHAN || pm == PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL || pm == PREDEFMETH.PM_EXPRESSION_MODULO || pm == PREDEFMETH.PM_EXPRESSION_MULTIPLY || pm == PREDEFMETH.PM_EXPRESSION_NOTEQUAL || pm == PREDEFMETH.PM_EXPRESSION_OR || pm == PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT || pm == PREDEFMETH.PM_EXPRESSION_SUBTRACT || pm == PREDEFMETH.PM_EXPRESSION_ORELSE || pm == PREDEFMETH.PM_EXPRESSION_ANDALSO || pm == PREDEFMETH.PM_EXPRESSION_ADD_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_AND_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_DIVIDE_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_EQUAL_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_GREATERTHAN_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_LEFTSHIFT_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_LESSTHAN_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_MODULO_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_MULTIPLY_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_NOTEQUAL_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_OR_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_SUBTRACT_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_ORELSE_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_ANDALSO_USER_DEFINED || // Checked binary pm == PREDEFMETH.PM_EXPRESSION_ADDCHECKED || pm == PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED || pm == PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED || pm == PREDEFMETH.PM_EXPRESSION_ADDCHECKED_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED_USER_DEFINED || // Unary operators. pm == PREDEFMETH.PM_EXPRESSION_NOT || pm == PREDEFMETH.PM_EXPRESSION_NEGATE || pm == PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_NEGATE_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_UNARYPLUS_USER_DEFINED || // Checked unary pm == PREDEFMETH.PM_EXPRESSION_NEGATECHECKED || pm == PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED || pm == PREDEFMETH.PM_EXPRESSION_NEGATECHECKED_USER_DEFINED || pm == PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED_USER_DEFINED ); switch (pm) { case PREDEFMETH.PM_EXPRESSION_CALL: return GenerateCall(call).Expression; case PREDEFMETH.PM_EXPRESSION_CONVERT: case PREDEFMETH.PM_EXPRESSION_CONVERT_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED: case PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED_USER_DEFINED: return GenerateConvert(call).Expression; case PREDEFMETH.PM_EXPRESSION_NEWARRAYINIT: { EXPRLIST list = call.GetOptionalArguments().asLIST(); return Expression.NewArrayInit( list.GetOptionalElement().asTYPEOF().SourceType.type.AssociatedSystemType, GetArgumentsFromArrayInit(list.GetOptionalNextListNode().asARRINIT())); } case PREDEFMETH.PM_EXPRESSION_ARRAYINDEX: case PREDEFMETH.PM_EXPRESSION_ARRAYINDEX2: return GenerateArrayIndex(call).Expression; case PREDEFMETH.PM_EXPRESSION_NEW: return GenerateNew(call).Expression; case PREDEFMETH.PM_EXPRESSION_PROPERTY: return GenerateProperty(call).Expression; case PREDEFMETH.PM_EXPRESSION_FIELD: return GenerateField(call).Expression; case PREDEFMETH.PM_EXPRESSION_CONSTANT_OBJECT_TYPE: return GenerateConstantType(call).Expression; case PREDEFMETH.PM_EXPRESSION_ASSIGN: return GenerateAssignment(call).Expression; case PREDEFMETH.PM_EXPRESSION_ADD: case PREDEFMETH.PM_EXPRESSION_AND: case PREDEFMETH.PM_EXPRESSION_DIVIDE: case PREDEFMETH.PM_EXPRESSION_EQUAL: case PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR: case PREDEFMETH.PM_EXPRESSION_GREATERTHAN: case PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL: case PREDEFMETH.PM_EXPRESSION_LEFTSHIFT: case PREDEFMETH.PM_EXPRESSION_LESSTHAN: case PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL: case PREDEFMETH.PM_EXPRESSION_MODULO: case PREDEFMETH.PM_EXPRESSION_MULTIPLY: case PREDEFMETH.PM_EXPRESSION_NOTEQUAL: case PREDEFMETH.PM_EXPRESSION_OR: case PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT: case PREDEFMETH.PM_EXPRESSION_SUBTRACT: case PREDEFMETH.PM_EXPRESSION_ORELSE: case PREDEFMETH.PM_EXPRESSION_ANDALSO: // Checked case PREDEFMETH.PM_EXPRESSION_ADDCHECKED: case PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED: case PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED: return GenerateBinaryOperator(call).Expression; case PREDEFMETH.PM_EXPRESSION_ADD_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_AND_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_DIVIDE_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_EQUAL_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_GREATERTHAN_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_LEFTSHIFT_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_LESSTHAN_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_MODULO_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_MULTIPLY_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_NOTEQUAL_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_OR_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_SUBTRACT_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_ORELSE_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_ANDALSO_USER_DEFINED: // Checked case PREDEFMETH.PM_EXPRESSION_ADDCHECKED_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED_USER_DEFINED: return GenerateUserDefinedBinaryOperator(call).Expression; case PREDEFMETH.PM_EXPRESSION_NOT: case PREDEFMETH.PM_EXPRESSION_NEGATE: case PREDEFMETH.PM_EXPRESSION_NEGATECHECKED: return GenerateUnaryOperator(call).Expression; case PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_NEGATE_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_UNARYPLUS_USER_DEFINED: case PREDEFMETH.PM_EXPRESSION_NEGATECHECKED_USER_DEFINED: return GenerateUserDefinedUnaryOperator(call).Expression; default: Debug.Assert(false, "Invalid Predefined Method in GetExpression"); throw Error.InternalCompilerError(); } } }