| /******************************************************************************* |
| * Copyright (c) 2000, 2014 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Fraunhofer FIRST - extended API and implementation |
| * Technical University Berlin - extended API and implementation |
| * Stephan Herrmann - Contributions for |
| * bug 335093 - [compiler][null] minimal hook for future null annotation support |
| * bug 349326 - [1.7] new warning for missing try-with-resources |
| * bug 186342 - [compiler][null] Using annotations for null checking |
| * bug 365983 - [compiler][null] AIOOB with null annotation analysis and varargs |
| * bug 368546 - [compiler][resource] Avoid remaining false positives found when compiling the Eclipse SDK |
| * bug 370930 - NonNull annotation not considered for enhanced for loops |
| * bug 365859 - [compiler][null] distinguish warnings based on flow analysis vs. null annotations |
| * bug 392862 - [1.8][compiler][null] Evaluate null annotations on array types |
| * bug 331649 - [compiler][null] consider null annotations for fields |
| * bug 383368 - [compiler][null] syntactic null analysis for field references |
| * Bug 392099 - [1.8][compiler][null] Apply null annotation on types for null analysis |
| * Bug 415043 - [1.8][null] Follow-up re null type annotations after bug 392099 |
| * Bug 415291 - [1.8][null] differentiate type incompatibilities due to null annotations |
| * Bug 392238 - [1.8][compiler][null] Detect semantically invalid null type annotations |
| * Bug 416307 - [1.8][compiler][null] subclass with type parameter substitution confuses null checking |
| * Bug 417758 - [1.8][null] Null safety compromise during array creation. |
| * Bug 400874 - [1.8][compiler] Inference infrastructure should evolve to meet JLS8 18.x (Part G of JSR335 spec) |
| * Bug 424415 - [1.8][compiler] Eventual resolution of ReferenceExpression is not seen to be happening. |
| * Bug 418537 - [1.8][null] Fix null type annotation analysis for poly conditional expressions |
| * Bug 428352 - [1.8][compiler] Resolution errors don't always surface |
| * Bug 429430 - [1.8] Lambdas and method reference infer wrong exception type with generics (RuntimeException instead of IOException) |
| * Bug 435805 - [1.8][compiler][null] Java 8 compiler does not recognize declaration style null annotations |
| * Andy Clement - Contributions for |
| * Bug 383624 - [1.8][compiler] Revive code generation support for type annotations (from Olivier's work) |
| * Bug 409250 - [1.8][compiler] Various loose ends in 308 code generation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.ast; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.ASTVisitor; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.codegen.*; |
| import org.eclipse.jdt.internal.compiler.flow.*; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.jdt.internal.compiler.impl.Constant; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| import org.eclipse.objectteams.otdt.core.compiler.IOTConstants; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.model.TeamModel; |
| |
| /** |
| * OTDT changes: |
| * What: ignore unreachable generated "return _OT$result" |
| */ |
| public abstract class Statement extends ASTNode { |
| |
| /** |
| * Answers true if the if is identified as a known coding pattern which |
| * should be tolerated by dead code analysis. |
| * e.g. if (DEBUG) print(); // no complaint |
| * Only invoked when overall condition is known to be optimizeable into false/true. |
| */ |
| protected static boolean isKnowDeadCodePattern(Expression expression) { |
| // if (!DEBUG) print(); - tolerated |
| if (expression instanceof UnaryExpression) { |
| expression = ((UnaryExpression) expression).expression; |
| } |
| // if (DEBUG) print(); - tolerated |
| if (expression instanceof Reference) return true; |
| |
| // if (expression instanceof BinaryExpression) { |
| // BinaryExpression binary = (BinaryExpression) expression; |
| // switch ((binary.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT/* operator */) { |
| // case OperatorIds.AND_AND : |
| // case OperatorIds.OR_OR : |
| // break; |
| // default: |
| // // if (DEBUG_LEVEL > 0) print(); - tolerated |
| // if ((binary.left instanceof Reference) && binary.right.constant != Constant.NotAConstant) |
| // return true; |
| // // if (0 < DEBUG_LEVEL) print(); - tolerated |
| // if ((binary.right instanceof Reference) && binary.left.constant != Constant.NotAConstant) |
| // return true; |
| // } |
| // } |
| return false; |
| } |
| public abstract FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo); |
| |
| /** Lambda shape analysis: *Assuming* this is reachable, analyze if this completes normally i.e control flow can reach the textually next statement. |
| For blocks, we don't perform intra-reachability analysis. We assume the lambda body is free of intrinsic control flow errors (if such errors |
| exist they will not be flagged by this analysis, but are guaranteed to surface later on.) |
| |
| @see Block#doesNotCompleteNormally |
| */ |
| public boolean doesNotCompleteNormally() { |
| return false; |
| } |
| |
| /** Lambda shape analysis: *Assuming* this is reachable, analyze if this completes by continuing i.e control flow cannot reach the textually next statement. |
| This is necessitated by the fact that continue claims to not complete normally. So this is necessary to discriminate between do { continue; } while (false); |
| which completes normally and do { throw new Exception(); } while (false); which does not complete normally. |
| */ |
| public boolean completesByContinue() { |
| return false; |
| } |
| |
| public static final int NOT_COMPLAINED = 0; |
| public static final int COMPLAINED_FAKE_REACHABLE = 1; |
| public static final int COMPLAINED_UNREACHABLE = 2; |
| |
| |
| /** Analysing arguments of MessageSend, ExplicitConstructorCall, AllocationExpression. */ |
| protected void analyseArguments(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, MethodBinding methodBinding, Expression[] arguments) |
| { |
| // compare actual null-status against parameter annotations of the called method: |
| if (arguments != null) { |
| CompilerOptions compilerOptions = currentScope.compilerOptions(); |
| if (compilerOptions.sourceLevel >= ClassFileConstants.JDK1_7 && methodBinding.isPolymorphic()) |
| return; |
| boolean considerTypeAnnotations = currentScope.environment().usesNullTypeAnnotations(); |
| boolean hasJDK15NullAnnotations = methodBinding.parameterNonNullness != null; |
| int numParamsToCheck = methodBinding.parameters.length; |
| int varArgPos = -1; |
| TypeBinding varArgsType = null; |
| boolean passThrough = false; |
| if (considerTypeAnnotations || hasJDK15NullAnnotations) { |
| // check if varargs need special treatment: |
| if (methodBinding.isVarargs()) { |
| varArgPos = numParamsToCheck-1; |
| // this if-block essentially copied from generateArguments(..): |
| if (numParamsToCheck == arguments.length) { |
| varArgsType = methodBinding.parameters[varArgPos]; |
| TypeBinding lastType = arguments[varArgPos].resolvedType; |
| if (lastType == TypeBinding.NULL |
| || (varArgsType.dimensions() == lastType.dimensions() |
| && lastType.isCompatibleWith(varArgsType))) |
| passThrough = true; // pass directly as-is |
| } |
| if (!passThrough) |
| numParamsToCheck--; // with non-passthrough varargs last param is fed from individual args -> don't check |
| } |
| } |
| if (considerTypeAnnotations) { |
| for (int i=0; i<numParamsToCheck; i++) { |
| TypeBinding expectedType = methodBinding.parameters[i]; |
| Boolean specialCaseNonNullness = hasJDK15NullAnnotations ? methodBinding.parameterNonNullness[i] : null; |
| analyseOneArgument18(currentScope, flowContext, flowInfo, expectedType, arguments[i], |
| specialCaseNonNullness, methodBinding.original().parameters[i]); |
| } |
| if (!passThrough && varArgsType instanceof ArrayBinding) { |
| TypeBinding expectedType = ((ArrayBinding) varArgsType).elementsType(); |
| Boolean specialCaseNonNullness = hasJDK15NullAnnotations ? methodBinding.parameterNonNullness[varArgPos] : null; |
| for (int i = numParamsToCheck; i < arguments.length; i++) { |
| analyseOneArgument18(currentScope, flowContext, flowInfo, expectedType, arguments[i], |
| specialCaseNonNullness, methodBinding.original().parameters[varArgPos]); |
| } |
| } |
| } else if (hasJDK15NullAnnotations) { |
| for (int i = 0; i < numParamsToCheck; i++) { |
| if (methodBinding.parameterNonNullness[i] == Boolean.TRUE) { |
| TypeBinding expectedType = methodBinding.parameters[i]; |
| Expression argument = arguments[i]; |
| int nullStatus = argument.nullStatus(flowInfo, flowContext); // slight loss of precision: should also use the null info from the receiver. |
| if (nullStatus != FlowInfo.NON_NULL) // if required non-null is not provided |
| flowContext.recordNullityMismatch(currentScope, argument, argument.resolvedType, expectedType, nullStatus); |
| } |
| } |
| } |
| } |
| } |
| void analyseOneArgument18(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, |
| TypeBinding expectedType, Expression argument, Boolean expectedNonNullness, TypeBinding originalExpected) { |
| if (argument instanceof ConditionalExpression && argument.isPolyExpression()) { |
| // drill into both branches using existing nullStatus per branch: |
| ConditionalExpression ce = (ConditionalExpression) argument; |
| ce.internalAnalyseOneArgument18(currentScope, flowContext, expectedType, ce.valueIfTrue, ce.ifTrueNullStatus, expectedNonNullness, originalExpected); |
| ce.internalAnalyseOneArgument18(currentScope, flowContext, expectedType, ce.valueIfFalse, ce.ifFalseNullStatus, expectedNonNullness, originalExpected); |
| return; |
| } |
| int nullStatus = argument.nullStatus(flowInfo, flowContext); |
| internalAnalyseOneArgument18(currentScope, flowContext, expectedType, argument, nullStatus, |
| expectedNonNullness, originalExpected); |
| } |
| void internalAnalyseOneArgument18(BlockScope currentScope, FlowContext flowContext, TypeBinding expectedType, |
| Expression argument, int nullStatus, Boolean expectedNonNullness, TypeBinding originalExpected) |
| { |
| // here we consume special case information generated in the ctor of ParameterizedGenericMethodBinding (see there): |
| int statusFromAnnotatedNull = expectedNonNullness == Boolean.TRUE ? nullStatus : 0; |
| |
| NullAnnotationMatching annotationStatus = NullAnnotationMatching.analyse(expectedType, argument.resolvedType, nullStatus); |
| |
| if (!annotationStatus.isAnyMismatch() && statusFromAnnotatedNull != 0) |
| expectedType = originalExpected; // to avoid reports mentioning '@NonNull null'! |
| |
| if (annotationStatus.isDefiniteMismatch() || statusFromAnnotatedNull == FlowInfo.NULL) { |
| // immediate reporting: |
| currentScope.problemReporter().nullityMismatchingTypeAnnotation(argument, argument.resolvedType, expectedType, annotationStatus); |
| } else if (annotationStatus.isUnchecked() || (statusFromAnnotatedNull & FlowInfo.POTENTIALLY_NULL) != 0) { |
| flowContext.recordNullityMismatch(currentScope, argument, argument.resolvedType, expectedType, nullStatus); |
| } |
| } |
| |
| protected void checkAgainstNullTypeAnnotation(BlockScope scope, TypeBinding requiredType, Expression expression, FlowContext flowContext, FlowInfo flowInfo) { |
| if (expression instanceof ConditionalExpression && expression.isPolyExpression()) { |
| // drill into both branches using existing nullStatus per branch: |
| ConditionalExpression ce = (ConditionalExpression) expression; |
| internalCheckAgainstNullTypeAnnotation(scope, requiredType, ce.valueIfTrue, ce.ifTrueNullStatus, flowContext); |
| internalCheckAgainstNullTypeAnnotation(scope, requiredType, ce.valueIfFalse, ce.ifFalseNullStatus, flowContext); |
| return; |
| } |
| int nullStatus = expression.nullStatus(flowInfo, flowContext); |
| internalCheckAgainstNullTypeAnnotation(scope, requiredType, expression, nullStatus, flowContext); |
| } |
| private void internalCheckAgainstNullTypeAnnotation(BlockScope scope, TypeBinding requiredType, Expression expression, |
| int nullStatus, FlowContext flowContext) { |
| NullAnnotationMatching annotationStatus = NullAnnotationMatching.analyse(requiredType, expression.resolvedType, nullStatus); |
| if (annotationStatus.isDefiniteMismatch()) { |
| scope.problemReporter().nullityMismatchingTypeAnnotation(expression, expression.resolvedType, requiredType, annotationStatus); |
| } else if (annotationStatus.isUnchecked()) { |
| flowContext.recordNullityMismatch(scope, expression, expression.resolvedType, requiredType, nullStatus); |
| } |
| } |
| |
| /** |
| * INTERNAL USE ONLY. |
| * This is used to redirect inter-statements jumps. |
| */ |
| public void branchChainTo(BranchLabel label) { |
| // do nothing by default |
| } |
| |
| // Inspect AST nodes looking for a break statement, descending into nested control structures only when necessary (looking for a break with a specific label.) |
| public boolean breaksOut(final char[] label) { |
| return new ASTVisitor() { |
| |
| boolean breaksOut; |
| public boolean visit(TypeDeclaration type, BlockScope skope) { return label != null; } |
| public boolean visit(TypeDeclaration type, ClassScope skope) { return label != null; } |
| public boolean visit(LambdaExpression lambda, BlockScope skope) { return label != null;} |
| public boolean visit(WhileStatement whileStatement, BlockScope skope) { return label != null; } |
| public boolean visit(DoStatement doStatement, BlockScope skope) { return label != null; } |
| public boolean visit(ForeachStatement foreachStatement, BlockScope skope) { return label != null; } |
| public boolean visit(ForStatement forStatement, BlockScope skope) { return label != null; } |
| public boolean visit(SwitchStatement switchStatement, BlockScope skope) { return label != null; } |
| |
| public boolean visit(BreakStatement breakStatement, BlockScope skope) { |
| if (label == null || CharOperation.equals(label, breakStatement.label)) |
| this.breaksOut = true; |
| return false; |
| } |
| |
| public boolean breaksOut() { |
| Statement.this.traverse(this, null); |
| return this.breaksOut; |
| } |
| }.breaksOut(); |
| } |
| |
| /* Inspect AST nodes looking for a continue statement with a label, descending into nested control structures. |
| The label is presumed to be NOT attached to this. This condition is certainly true for lambda shape analysis |
| where this analysis triggers only from do {} while (false); situations. See LabeledStatement.continuesAtOuterLabel |
| */ |
| public boolean continuesAtOuterLabel() { |
| return new ASTVisitor() { |
| boolean continuesToLabel; |
| public boolean visit(ContinueStatement continueStatement, BlockScope skope) { |
| if (continueStatement.label != null) |
| this.continuesToLabel = true; |
| return false; |
| } |
| public boolean continuesAtOuterLabel() { |
| Statement.this.traverse(this, null); |
| return this.continuesToLabel; |
| } |
| }.continuesAtOuterLabel(); |
| } |
| |
| // Report an error if necessary (if even more unreachable than previously reported |
| // complaintLevel = 0 if was reachable up until now, 1 if fake reachable (deadcode), 2 if fatal unreachable (error) |
| public int complainIfUnreachable(FlowInfo flowInfo, BlockScope scope, int previousComplaintLevel, boolean endOfBlock) { |
| if ((flowInfo.reachMode() & FlowInfo.UNREACHABLE) != 0) { |
| if ((flowInfo.reachMode() & FlowInfo.UNREACHABLE_OR_DEAD) != 0) |
| this.bits &= ~ASTNode.IsReachable; |
| //{ObjectTeams: ignore generated "return _OT$result" (generateCode will also ignore this statement): |
| boolean shouldReport = true; |
| if (this instanceof ReturnStatement) { |
| ReturnStatement returnStat = (ReturnStatement)this; |
| if (returnStat.expression instanceof SingleNameReference) { |
| if (CharOperation.equals( |
| ((SingleNameReference)returnStat.expression).token, |
| IOTConstants.OT_RESULT)) |
| { |
| shouldReport = false; |
| } |
| } |
| } |
| // orig: |
| if (flowInfo == FlowInfo.DEAD_END) { |
| if (previousComplaintLevel < COMPLAINED_UNREACHABLE) { |
| /* OT: */ if (shouldReport) |
| scope.problemReporter().unreachableCode(this); |
| if (endOfBlock) |
| scope.checkUnclosedCloseables(flowInfo, null, null, null); |
| } |
| return COMPLAINED_UNREACHABLE; |
| } else { |
| if (previousComplaintLevel < COMPLAINED_FAKE_REACHABLE) { |
| /* OT: */ if (shouldReport) |
| // SH} |
| scope.problemReporter().fakeReachable(this); |
| if (endOfBlock) |
| scope.checkUnclosedCloseables(flowInfo, null, null, null); |
| } |
| return COMPLAINED_FAKE_REACHABLE; |
| } |
| } |
| return previousComplaintLevel; |
| } |
| |
| /** |
| * Generate invocation arguments, considering varargs methods |
| */ |
| public void generateArguments(MethodBinding binding, Expression[] arguments, BlockScope currentScope, CodeStream codeStream) { |
| if (binding.isVarargs()) { |
| // 5 possibilities exist for a call to the vararg method foo(int i, int ... value) : |
| // foo(1), foo(1, null), foo(1, 2), foo(1, 2, 3, 4) & foo(1, new int[] {1, 2}) |
| TypeBinding[] params = binding.parameters; |
| int paramLength = params.length; |
| int varArgIndex = paramLength - 1; |
| for (int i = 0; i < varArgIndex; i++) { |
| arguments[i].generateCode(currentScope, codeStream, true); |
| } |
| ArrayBinding varArgsType = (ArrayBinding) params[varArgIndex]; // parameterType has to be an array type |
| ArrayBinding codeGenVarArgsType = (ArrayBinding) binding.parameters[varArgIndex].erasure(); |
| int elementsTypeID = varArgsType.elementsType().id; |
| int argLength = arguments == null ? 0 : arguments.length; |
| |
| if (argLength > paramLength) { |
| // right number but not directly compatible or too many arguments - wrap extra into array |
| // called with (argLength - lastIndex) elements : foo(1, 2) or foo(1, 2, 3, 4) |
| // need to gen elements into an array, then gen each remaining element into created array |
| codeStream.generateInlinedValue(argLength - varArgIndex); |
| codeStream.newArray(codeGenVarArgsType); // create a mono-dimensional array |
| for (int i = varArgIndex; i < argLength; i++) { |
| codeStream.dup(); |
| codeStream.generateInlinedValue(i - varArgIndex); |
| arguments[i].generateCode(currentScope, codeStream, true); |
| codeStream.arrayAtPut(elementsTypeID, false); |
| } |
| } else if (argLength == paramLength) { |
| // right number of arguments - could be inexact - pass argument as is |
| TypeBinding lastType = arguments[varArgIndex].resolvedType; |
| if (lastType == TypeBinding.NULL |
| || (varArgsType.dimensions() == lastType.dimensions() |
| && lastType.isCompatibleWith(varArgsType))) { |
| // foo(1, new int[]{2, 3}) or foo(1, null) --> last arg is passed as-is |
| arguments[varArgIndex].generateCode(currentScope, codeStream, true); |
| } else { |
| // right number but not directly compatible or too many arguments - wrap extra into array |
| // need to gen elements into an array, then gen each remaining element into created array |
| codeStream.generateInlinedValue(1); |
| codeStream.newArray(codeGenVarArgsType); // create a mono-dimensional array |
| codeStream.dup(); |
| codeStream.generateInlinedValue(0); |
| arguments[varArgIndex].generateCode(currentScope, codeStream, true); |
| codeStream.arrayAtPut(elementsTypeID, false); |
| } |
| } else { // not enough arguments - pass extra empty array |
| // scenario: foo(1) --> foo(1, new int[0]) |
| // generate code for an empty array of parameterType |
| codeStream.generateInlinedValue(0); |
| codeStream.newArray(codeGenVarArgsType); // create a mono-dimensional array |
| } |
| } else if (arguments != null) { // standard generation for method arguments |
| for (int i = 0, max = arguments.length; i < max; i++) |
| //{ObjectTeams: check for need for role-ifc to plain-class cast: |
| { |
| TypeBinding[] originalParameters = binding.original().parameters; |
| // orig: |
| arguments[i].generateCode(currentScope, codeStream, true); |
| // :giro |
| if (i < originalParameters.length) { // consider polymorphic signatures |
| TypeBinding requiredType = checkRoleToPlainCast(arguments[i].resolvedType, originalParameters[i]); |
| if (requiredType != null) |
| codeStream.checkcast(requiredType); |
| } |
| } |
| // SH} |
| } |
| } |
| |
| //{ObjectTeams: |
| private TypeBinding checkRoleToPlainCast(TypeBinding providedType, TypeBinding requiredBinding) { |
| if ( providedType.isRole() |
| && !TeamModel.isTeamContainingRole(((ReferenceBinding)providedType).enclosingType(), (ReferenceBinding) requiredBinding)) |
| return requiredBinding; |
| return null; |
| } |
| // SH} |
| |
| public abstract void generateCode(BlockScope currentScope, CodeStream codeStream); |
| |
| public boolean isBoxingCompatible(TypeBinding expressionType, TypeBinding targetType, Expression expression, Scope scope) { |
| if (scope.isBoxingCompatibleWith(expressionType, targetType)) |
| return true; |
| |
| return expressionType.isBaseType() // narrowing then boxing ? Only allowed for some target types see 362279 |
| && !targetType.isBaseType() |
| && !targetType.isTypeVariable() |
| && scope.compilerOptions().sourceLevel >= org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_5 // autoboxing |
| && (targetType.id == TypeIds.T_JavaLangByte || targetType.id == TypeIds.T_JavaLangShort || targetType.id == TypeIds.T_JavaLangCharacter) |
| && expression.isConstantValueOfTypeAssignableToType(expressionType, scope.environment().computeBoxingType(targetType)); |
| } |
| |
| public boolean isEmptyBlock() { |
| return false; |
| } |
| |
| public boolean isValidJavaStatement() { |
| //the use of this method should be avoid in most cases |
| //and is here mostly for documentation purpose..... |
| //while the parser is responsible for creating |
| //welled formed expression statement, which results |
| //in the fact that java-non-semantic-expression-used-as-statement |
| //should not be parsed...thus not being built. |
| //It sounds like the java grammar as help the compiler job in removing |
| //-by construction- some statement that would have no effect.... |
| //(for example all expression that may do side-effects are valid statement |
| // -this is an approximative idea.....-) |
| |
| return true; |
| } |
| |
| public StringBuffer print(int indent, StringBuffer output) { |
| return printStatement(indent, output); |
| } |
| |
| public abstract StringBuffer printStatement(int indent, StringBuffer output); |
| |
| public abstract void resolve(BlockScope scope); |
| |
| /** |
| * Returns case constant associated to this statement (NotAConstant if none) |
| */ |
| public Constant resolveCase(BlockScope scope, TypeBinding testType, SwitchStatement switchStatement) { |
| // statement within a switch that are not case are treated as normal statement.... |
| resolve(scope); |
| return Constant.NotAConstant; |
| } |
| /** |
| * Implementation of {@link org.eclipse.jdt.internal.compiler.lookup.InvocationSite#invocationTargetType} |
| * suitable at this level. Subclasses should override as necessary. |
| * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#invocationTargetType() |
| */ |
| public TypeBinding invocationTargetType() { |
| return null; |
| } |
| /** Simpler notion of expected type, suitable for code assist purposes. */ |
| public TypeBinding expectedType() { |
| // for all but FunctionalExpressions, this is the same as invocationTargetType. |
| return invocationTargetType(); |
| } |
| public ExpressionContext getExpressionContext() { |
| return ExpressionContext.VANILLA_CONTEXT; |
| } |
| /** |
| * For all constructor invocations: find the constructor binding; |
| * if site.innersNeedUpdate() perform some post processing for those and produce |
| * any updates as side-effects into 'argumentTypes'. |
| */ |
| protected MethodBinding findConstructorBinding(BlockScope scope, Invocation site, ReferenceBinding receiverType, TypeBinding[] argumentTypes) { |
| MethodBinding ctorBinding = scope.getConstructor(receiverType, argumentTypes, site); |
| resolvePolyExpressionArguments(site, ctorBinding, argumentTypes, scope); |
| return ctorBinding; |
| } |
| } |