| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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 |
| * Stephan Herrmann - Contributions for |
| * bug 186342 - [compiler][null] Using annotations for null checking |
| * bug 367203 - [compiler][null] detect assigning null to nonnull argument |
| * bug 365519 - editorial cleanup after bug 186342 and bug 365387 |
| * bug 365662 - [compiler][null] warn on contradictory and redundant null annotations |
| * bug 365531 - [compiler][null] investigate alternative strategy for internally encoding nullness defaults |
| * bug 388281 - [compiler][null] inheritance of null annotations as an option |
| * Bug 392099 - [1.8][compiler][null] Apply null annotation on types for null analysis |
| * Bug 417295 - [1.8[[null] Massage type annotated null analysis to gel well with deep encoded type bindings. |
| * Bug 400874 - [1.8][compiler] Inference infrastructure should evolve to meet JLS8 18.x (Part G of JSR335 spec) |
| * Bug 425152 - [1.8] [compiler] Lambda Expression not resolved but flow analyzed leading to NPE. |
| * Bug 423505 - [1.8] Implement "18.5.4 More Specific Method Inference" |
| * Bug 429958 - [1.8][null] evaluate new DefaultLocation attribute of @NonNullByDefault |
| * Bug 438012 - [1.8][null] Bogus Warning: The nullness annotation is redundant with a default that applies to this location |
| * Bug 440759 - [1.8][null] @NonNullByDefault should never affect wildcards and uses of a type variable |
| * Bug 443347 - [1.8][null] @NonNullByDefault should not affect constructor arguments of an anonymous instantiation |
| * Bug 435805 - [1.8][compiler][null] Java 8 compiler does not recognize declaration style null annotations |
| * Bug 466713 - Null Annotations: NullPointerException using <int @Nullable []> as Type Param |
| * Bug 456584 - [1.8][null] Bogus warning for return type variable's @NonNull annotation being 'redundant' |
| * Bug 471611 - Error on hover on call to generic method with null annotation |
| * Jesper Steen Moller - Contributions for |
| * Bug 412150 [1.8] [compiler] Enable reflected parameter names during annotation processing |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.lookup; |
| |
| import java.util.List; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.ClassFile; |
| import org.eclipse.jdt.internal.compiler.ast.ASTNode; |
| import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration; |
| import org.eclipse.jdt.internal.compiler.ast.Argument; |
| import org.eclipse.jdt.internal.compiler.ast.LambdaExpression; |
| import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration; |
| import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration; |
| import org.eclipse.jdt.internal.compiler.ast.TypeReference.AnnotationPosition; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.codegen.ConstantPool; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.jdt.internal.compiler.util.Util; |
| |
| @SuppressWarnings("rawtypes") |
| public class MethodBinding extends Binding { |
| |
| public int modifiers; |
| public char[] selector; |
| public TypeBinding returnType; |
| public TypeBinding[] parameters; |
| public TypeBinding receiver; // JSR308 - explicit this parameter |
| public ReferenceBinding[] thrownExceptions; |
| public ReferenceBinding declaringClass; |
| public TypeVariableBinding[] typeVariables = Binding.NO_TYPE_VARIABLES; |
| char[] signature; |
| public long tagBits; |
| |
| /** Store nullness information from annotation (incl. applicable default). */ |
| public Boolean[] parameterNonNullness; // TRUE means @NonNull declared, FALSE means @Nullable declared, null means nothing declared |
| public int defaultNullness; // for null *type* annotations |
| |
| /** Store parameter names from MethodParameters attribute (incl. applicable default). */ |
| public char[][] parameterNames = Binding.NO_PARAMETER_NAMES; |
| |
| protected MethodBinding() { |
| // for creating problem or synthetic method |
| } |
| public MethodBinding(int modifiers, char[] selector, TypeBinding returnType, TypeBinding[] parameters, ReferenceBinding[] thrownExceptions, ReferenceBinding declaringClass) { |
| this.modifiers = modifiers; |
| this.selector = selector; |
| this.returnType = returnType; |
| this.parameters = (parameters == null || parameters.length == 0) ? Binding.NO_PARAMETERS : parameters; |
| this.thrownExceptions = (thrownExceptions == null || thrownExceptions.length == 0) ? Binding.NO_EXCEPTIONS : thrownExceptions; |
| this.declaringClass = declaringClass; |
| |
| // propagate the strictfp & deprecated modifiers |
| if (this.declaringClass != null) { |
| if (this.declaringClass.isStrictfp()) |
| if (!(isNative() || isAbstract())) |
| this.modifiers |= ClassFileConstants.AccStrictfp; |
| } |
| } |
| public MethodBinding(int modifiers, TypeBinding[] parameters, ReferenceBinding[] thrownExceptions, ReferenceBinding declaringClass) { |
| this(modifiers, TypeConstants.INIT, TypeBinding.VOID, parameters, thrownExceptions, declaringClass); |
| } |
| // special API used to change method declaring class for runtime visibility check |
| public MethodBinding(MethodBinding initialMethodBinding, ReferenceBinding declaringClass) { |
| this.modifiers = initialMethodBinding.modifiers; |
| this.selector = initialMethodBinding.selector; |
| this.returnType = initialMethodBinding.returnType; |
| this.parameters = initialMethodBinding.parameters; |
| this.thrownExceptions = initialMethodBinding.thrownExceptions; |
| this.declaringClass = declaringClass; |
| if (declaringClass!=null) declaringClass.storeAnnotationHolder(this, initialMethodBinding.declaringClass.retrieveAnnotationHolder(initialMethodBinding, true)); // New AspectJ Extension - check for null |
| } |
| /* Answer true if the argument types & the receiver's parameters have the same erasure |
| */ |
| public final boolean areParameterErasuresEqual(MethodBinding method) { |
| TypeBinding[] args = method.parameters; |
| if (this.parameters == args) |
| return true; |
| |
| int length = this.parameters.length; |
| if (length != args.length) |
| return false; |
| |
| for (int i = 0; i < length; i++) |
| if (TypeBinding.notEquals(this.parameters[i], args[i]) && TypeBinding.notEquals(this.parameters[i].erasure(), args[i].erasure())) |
| return false; |
| return true; |
| } |
| /* |
| * Returns true if given parameters are compatible with this method parameters. |
| * Callers to this method should first check that the number of TypeBindings |
| * passed as argument matches this MethodBinding number of parameters |
| */ |
| public final boolean areParametersCompatibleWith(TypeBinding[] arguments) { |
| int paramLength = this.parameters.length; |
| int argLength = arguments.length; |
| int lastIndex = argLength; |
| if (isVarargs()) { |
| lastIndex = paramLength - 1; |
| if (paramLength == argLength) { // accept X[] but not X or X[][] |
| TypeBinding varArgType = this.parameters[lastIndex]; // is an ArrayBinding by definition |
| TypeBinding lastArgument = arguments[lastIndex]; |
| if (TypeBinding.notEquals(varArgType, lastArgument) && !lastArgument.isCompatibleWith(varArgType)) |
| return false; |
| } else if (paramLength < argLength) { // all remainig argument types must be compatible with the elementsType of varArgType |
| TypeBinding varArgType = ((ArrayBinding) this.parameters[lastIndex]).elementsType(); |
| for (int i = lastIndex; i < argLength; i++) |
| if (TypeBinding.notEquals(varArgType, arguments[i]) && !arguments[i].isCompatibleWith(varArgType)) |
| return false; |
| } else if (lastIndex != argLength) { // can call foo(int i, X ... x) with foo(1) but NOT foo(); |
| return false; |
| } |
| // now compare standard arguments from 0 to lastIndex |
| } |
| for (int i = 0; i < lastIndex; i++) |
| if (TypeBinding.notEquals(this.parameters[i], arguments[i]) && !arguments[i].isCompatibleWith(this.parameters[i])) |
| return false; |
| return true; |
| } |
| /* Answer true if the argument types & the receiver's parameters are equal |
| */ |
| public final boolean areParametersEqual(MethodBinding method) { |
| TypeBinding[] args = method.parameters; |
| if (this.parameters == args) |
| return true; |
| |
| int length = this.parameters.length; |
| if (length != args.length) |
| return false; |
| |
| for (int i = 0; i < length; i++) |
| if (TypeBinding.notEquals(this.parameters[i], args[i])) |
| return false; |
| return true; |
| } |
| |
| /* API |
| * Answer the receiver's binding type from Binding.BindingID. |
| */ |
| |
| /* Answer true if the type variables have the same erasure |
| */ |
| public final boolean areTypeVariableErasuresEqual(MethodBinding method) { |
| TypeVariableBinding[] vars = method.typeVariables; |
| if (this.typeVariables == vars) |
| return true; |
| |
| int length = this.typeVariables.length; |
| if (length != vars.length) |
| return false; |
| |
| for (int i = 0; i < length; i++) |
| if (TypeBinding.notEquals(this.typeVariables[i], vars[i]) && TypeBinding.notEquals(this.typeVariables[i].erasure(), vars[i].erasure())) |
| return false; |
| return true; |
| } |
| public MethodBinding asRawMethod(LookupEnvironment env) { |
| if (this.typeVariables == Binding.NO_TYPE_VARIABLES) return this; |
| |
| // substitute type arguments with raw types |
| int length = this.typeVariables.length; |
| TypeBinding[] arguments = new TypeBinding[length]; |
| for (int i = 0; i < length; i++) { |
| TypeVariableBinding var = this.typeVariables[i]; |
| if (var.boundsCount() <= 1) { |
| arguments[i] = env.convertToRawType(var.upperBound(), false /*do not force conversion of enclosing types*/); |
| } else { |
| // use an intersection type to retain full bound information if more than 1 bound |
| TypeBinding[] itsSuperinterfaces = var.superInterfaces(); |
| int superLength = itsSuperinterfaces.length; |
| TypeBinding rawFirstBound = null; |
| TypeBinding[] rawOtherBounds = null; |
| if (var.boundsCount() == superLength) { |
| rawFirstBound = env.convertToRawType(itsSuperinterfaces[0], false); |
| rawOtherBounds = new TypeBinding[superLength - 1]; |
| for (int s = 1; s < superLength; s++) |
| rawOtherBounds[s - 1] = env.convertToRawType(itsSuperinterfaces[s], false); |
| } else { |
| rawFirstBound = env.convertToRawType(var.superclass(), false); |
| rawOtherBounds = new TypeBinding[superLength]; |
| for (int s = 0; s < superLength; s++) |
| rawOtherBounds[s] = env.convertToRawType(itsSuperinterfaces[s], false); |
| } |
| arguments[i] = env.createWildcard(null, 0, rawFirstBound, rawOtherBounds, org.eclipse.jdt.internal.compiler.ast.Wildcard.EXTENDS); |
| } |
| } |
| return env.createParameterizedGenericMethod(this, arguments); |
| } |
| /* Answer true if the receiver is visible to the type provided by the scope. |
| * InvocationSite implements isSuperAccess() to provide additional information |
| * if the receiver is protected. |
| * |
| * NOTE: This method should ONLY be sent if the receiver is a constructor. |
| * |
| * NOTE: Cannot invoke this method with a compilation unit scope. |
| */ |
| |
| //AspectJ Extension - made non-final |
| public boolean canBeSeenBy(InvocationSite invocationSite, Scope scope) { |
| if (isPublic()) return true; |
| |
| // AspectJ Extension: was |
| /*{ |
| SourceTypeBinding invocationType = scope.enclosingSourceType(); |
| if (TypeBinding.equalsEquals(invocationType, this.declaringClass)) return true; |
| }*/// new: |
| ReferenceBinding declaringType = original().declaringClass; // AspectJ Extension - new local variable to hold the declaringType |
| |
| SourceTypeBinding invocationType = scope.invocationType();// AspectJ Extension - was enclosingSourceType(); |
| if (TypeBinding.equalsEquals(invocationType, declaringType)) return true; // AspectJ Extension - was declaringClass |
| // Aspectj Extension end |
| |
| if (isProtected()) { |
| // answer true if the receiver is in the same package as the invocationType |
| if (invocationType.fPackage == declaringType.fPackage) return true; // AspectJ Extension - was == declaringClass.fPackage |
| return invocationSite.isSuperAccess(); |
| } |
| |
| if (isPrivate()) { |
| // answer true if the invocationType and the declaringClass have a common enclosingType |
| // already know they are not the identical type |
| ReferenceBinding outerInvocationType = invocationType; |
| ReferenceBinding temp = outerInvocationType.enclosingType(); |
| while (temp != null) { |
| outerInvocationType = temp; |
| temp = temp.enclosingType(); |
| } |
| |
| ReferenceBinding outerDeclaringClass = (ReferenceBinding)declaringType.erasure(); // AspectJ Extension - changed declaringClass to declaringType |
| temp = outerDeclaringClass.enclosingType(); |
| while (temp != null) { |
| outerDeclaringClass = temp; |
| temp = temp.enclosingType(); |
| } |
| return TypeBinding.equalsEquals(outerInvocationType, outerDeclaringClass); |
| } |
| |
| // isDefault() |
| return invocationType.fPackage == declaringType.fPackage; // AspectJ Extension - changed declaringClass to declaringType |
| } |
| |
| //AspectJ Extension |
| public MethodBinding getVisibleBinding(TypeBinding receiverType, InvocationSite invocationSite, Scope scope) { |
| if (canBeSeenBy(receiverType, invocationSite, scope)) return this; |
| return findPrivilegedBinding(scope.invocationType(), invocationSite); |
| } |
| |
| public MethodBinding getVisibleBinding(InvocationSite invocationSite, Scope scope) { |
| if (canBeSeenBy(invocationSite, scope)) return this; |
| return findPrivilegedBinding(scope.invocationType(),invocationSite); |
| } |
| |
| |
| public MethodBinding findPrivilegedBinding(SourceTypeBinding invocationType, InvocationSite location) { |
| if (Scope.findPrivilegedHandler(invocationType) != null) { |
| ASTNode forLocation = null; |
| if (location instanceof ASTNode) { |
| forLocation = (ASTNode)location; |
| } |
| return Scope.findPrivilegedHandler(invocationType).getPrivilegedAccessMethod(this, forLocation); //notePrivilegedTypeAccess(this, null); |
| } else { |
| return null; |
| } |
| } |
| //End AspectJ Extension |
| |
| public final boolean canBeSeenBy(PackageBinding invocationPackage) { |
| if (isPublic()) return true; |
| if (isPrivate()) return false; |
| |
| // isProtected() or isDefault() |
| return invocationPackage == this.declaringClass.getPackage(); |
| } |
| |
| /* Answer true if the receiver is visible to the type provided by the scope. |
| * InvocationSite implements isSuperAccess() to provide additional information |
| * if the receiver is protected. |
| * |
| * NOTE: Cannot invoke this method with a compilation unit scope. |
| */ |
| //AspectJ Extension - made non-final |
| public boolean canBeSeenBy(TypeBinding receiverType, InvocationSite invocationSite, Scope scope) { |
| |
| SourceTypeBinding invocationType = scope.invocationType(); // AspectJ Extension - was scope.enclosingSourceType() |
| |
| if (this.declaringClass.isInterface() && isStatic()) { |
| // Static interface methods can be explicitly invoked only through the type reference of the declaring interface or implicitly in the interface itself or via static import. |
| if (scope.compilerOptions().sourceLevel < ClassFileConstants.JDK1_8) |
| return false; |
| if ((invocationSite.isTypeAccess() || invocationSite.receiverIsImplicitThis()) && TypeBinding.equalsEquals(receiverType, this.declaringClass)) |
| return true; |
| return false; |
| } |
| |
| if (isPublic()) return true; |
| |
| |
| if (TypeBinding.equalsEquals(invocationType, this.declaringClass) && TypeBinding.equalsEquals(invocationType, receiverType)) return true; |
| |
| if (invocationType == null) // static import call |
| return !isPrivate() && scope.getCurrentPackage() == this.declaringClass.fPackage; |
| |
| if (isProtected()) { |
| // answer true if the invocationType is the declaringClass or they are in the same package |
| // OR the invocationType is a subclass of the declaringClass |
| // AND the receiverType is the invocationType or its subclass |
| // OR the method is a static method accessed directly through a type |
| // OR previous assertions are true for one of the enclosing type |
| if (TypeBinding.equalsEquals(invocationType, this.declaringClass)) return true; |
| if (invocationType.fPackage == this.declaringClass.fPackage) return true; |
| |
| // AspectJ Extension |
| // replaced this one line: |
| // ReferenceBinding currentType = invocationType; |
| // with: |
| // for protected we need to check based on the type of this |
| ReferenceBinding currentType = scope.enclosingSourceType(); //invocationType();// NewNew AspectJ Extension - was enclosingSourceType(); |
| // MUST be in the same package as the invocationType though... (pr 71723) |
| if (TypeBinding.notEquals(invocationType,currentType)) { |
| // this MUST be an ITD |
| if (invocationType.fPackage != currentType.fPackage) return false; |
| } |
| // End AspectJ Extension |
| TypeBinding receiverErasure = receiverType.erasure(); |
| ReferenceBinding declaringErasure = (ReferenceBinding) this.declaringClass.erasure(); |
| int depth = 0; |
| do { |
| if (currentType.findSuperTypeOriginatingFrom(declaringErasure) != null) { |
| if (invocationSite.isSuperAccess()) |
| return true; |
| // receiverType can be an array binding in one case... see if you can change it |
| if (receiverType instanceof ArrayBinding) |
| return false; |
| if (isStatic()) { |
| if (depth > 0) invocationSite.setDepth(depth); |
| return true; // see 1FMEPDL - return invocationSite.isTypeAccess(); |
| } |
| if (TypeBinding.equalsEquals(currentType, receiverErasure) || receiverErasure.findSuperTypeOriginatingFrom(currentType) != null) { |
| if (depth > 0) invocationSite.setDepth(depth); |
| return true; |
| } |
| } |
| depth++; |
| currentType = currentType.enclosingType(); |
| } while (currentType != null); |
| return false; |
| } |
| |
| if (isPrivate()) { |
| // answer true if the receiverType is the declaringClass |
| // AND the invocationType and the declaringClass have a common enclosingType |
| receiverCheck: { |
| if (TypeBinding.notEquals(receiverType, this.declaringClass)) { |
| // special tolerance for type variable direct bounds, but only if compliance <= 1.6, see: https://bugs.eclipse.org/bugs/show_bug.cgi?id=334622 |
| if (scope.compilerOptions().complianceLevel <= ClassFileConstants.JDK1_6 && receiverType.isTypeVariable() && ((TypeVariableBinding) receiverType).isErasureBoundTo(this.declaringClass.erasure())) |
| break receiverCheck; |
| return false; |
| } |
| } |
| |
| if (TypeBinding.notEquals(invocationType, this.declaringClass)) { |
| ReferenceBinding outerInvocationType = invocationType; |
| ReferenceBinding temp = outerInvocationType.enclosingType(); |
| while (temp != null) { |
| outerInvocationType = temp; |
| temp = temp.enclosingType(); |
| } |
| |
| ReferenceBinding outerDeclaringClass = (ReferenceBinding)this.declaringClass.erasure(); |
| temp = outerDeclaringClass.enclosingType(); |
| while (temp != null) { |
| outerDeclaringClass = temp; |
| temp = temp.enclosingType(); |
| } |
| if (TypeBinding.notEquals(outerInvocationType, outerDeclaringClass)) return false; |
| } |
| return true; |
| } |
| |
| // isDefault() |
| PackageBinding declaringPackage = this.declaringClass.fPackage; |
| if (invocationType.fPackage != declaringPackage) return false; |
| |
| // receiverType can be an array binding in one case... see if you can change it |
| if (receiverType instanceof ArrayBinding) |
| return false; |
| TypeBinding originalDeclaringClass = this.declaringClass.original(); |
| ReferenceBinding currentType = (ReferenceBinding) (receiverType); |
| do { |
| if (currentType.isCapture()) { // https://bugs.eclipse.org/bugs/show_bug.cgi?id=285002 |
| if (TypeBinding.equalsEquals(originalDeclaringClass, currentType.erasure().original())) return true; |
| } else { |
| if (TypeBinding.equalsEquals(originalDeclaringClass, currentType.original())) return true; |
| } |
| PackageBinding currentPackage = currentType.fPackage; |
| // package could be null for wildcards/intersection types, ignore and recurse in superclass |
| if (currentPackage != null && currentPackage != declaringPackage) return false; |
| } while ((currentType = currentType.superclass()) != null); |
| return false; |
| } |
| |
| public List collectMissingTypes(List missingTypes) { |
| if ((this.tagBits & TagBits.HasMissingType) != 0) { |
| missingTypes = this.returnType.collectMissingTypes(missingTypes); |
| for (int i = 0, max = this.parameters.length; i < max; i++) { |
| missingTypes = this.parameters[i].collectMissingTypes(missingTypes); |
| } |
| for (int i = 0, max = this.thrownExceptions.length; i < max; i++) { |
| missingTypes = this.thrownExceptions[i].collectMissingTypes(missingTypes); |
| } |
| for (int i = 0, max = this.typeVariables.length; i < max; i++) { |
| TypeVariableBinding variable = this.typeVariables[i]; |
| missingTypes = variable.superclass().collectMissingTypes(missingTypes); |
| ReferenceBinding[] interfaces = variable.superInterfaces(); |
| for (int j = 0, length = interfaces.length; j < length; j++) { |
| missingTypes = interfaces[j].collectMissingTypes(missingTypes); |
| } |
| } |
| } |
| return missingTypes; |
| } |
| |
| MethodBinding computeSubstitutedMethod(MethodBinding method, LookupEnvironment env) { |
| int length = this.typeVariables.length; |
| TypeVariableBinding[] vars = method.typeVariables; |
| if (length != vars.length) |
| return null; |
| |
| // must substitute to detect cases like: |
| // <T1 extends X<T1>> void dup() {} |
| // <T2 extends X<T2>> Object dup() {return null;} |
| ParameterizedGenericMethodBinding substitute = |
| env.createParameterizedGenericMethod(method, this.typeVariables); |
| for (int i = 0; i < length; i++) |
| if (!this.typeVariables[i].isInterchangeableWith(vars[i], substitute)) |
| return null; |
| return substitute; |
| } |
| |
| /* |
| * declaringUniqueKey dot selector genericSignature |
| * p.X { <T> void bar(X<T> t) } --> Lp/X;.bar<T:Ljava/lang/Object;>(LX<TT;>;)V |
| */ |
| public char[] computeUniqueKey(boolean isLeaf) { |
| // declaring class |
| char[] declaringKey = this.declaringClass.computeUniqueKey(false/*not a leaf*/); |
| int declaringLength = declaringKey.length; |
| |
| // selector |
| int selectorLength = this.selector == TypeConstants.INIT ? 0 : this.selector.length; |
| |
| // generic signature |
| char[] sig = genericSignature(); |
| boolean isGeneric = sig != null; |
| if (!isGeneric) sig = signature(); |
| int signatureLength = sig.length; |
| |
| // thrown exceptions |
| int thrownExceptionsLength = this.thrownExceptions.length; |
| int thrownExceptionsSignatureLength = 0; |
| char[][] thrownExceptionsSignatures = null; |
| boolean addThrownExceptions = thrownExceptionsLength > 0 && (!isGeneric || CharOperation.lastIndexOf('^', sig) < 0); |
| if (addThrownExceptions) { |
| thrownExceptionsSignatures = new char[thrownExceptionsLength][]; |
| for (int i = 0; i < thrownExceptionsLength; i++) { |
| if (this.thrownExceptions[i] != null) { |
| thrownExceptionsSignatures[i] = this.thrownExceptions[i].signature(); |
| thrownExceptionsSignatureLength += thrownExceptionsSignatures[i].length + 1; // add one char for separator |
| } |
| } |
| } |
| |
| char[] uniqueKey = new char[declaringLength + 1 + selectorLength + signatureLength + thrownExceptionsSignatureLength]; |
| int index = 0; |
| System.arraycopy(declaringKey, 0, uniqueKey, index, declaringLength); |
| index = declaringLength; |
| uniqueKey[index++] = '.'; |
| System.arraycopy(this.selector, 0, uniqueKey, index, selectorLength); |
| index += selectorLength; |
| System.arraycopy(sig, 0, uniqueKey, index, signatureLength); |
| if (thrownExceptionsSignatureLength > 0) { |
| index += signatureLength; |
| for (int i = 0; i < thrownExceptionsLength; i++) { |
| char[] thrownExceptionSignature = thrownExceptionsSignatures[i]; |
| if (thrownExceptionSignature != null) { |
| uniqueKey[index++] = '|'; |
| int length = thrownExceptionSignature.length; |
| System.arraycopy(thrownExceptionSignature, 0, uniqueKey, index, length); |
| index += length; |
| } |
| } |
| } |
| return uniqueKey; |
| } |
| |
| /* Answer the receiver's constant pool name. |
| * |
| * <init> for constructors |
| * <clinit> for clinit methods |
| * or the source name of the method |
| */ |
| public final char[] constantPoolName() { |
| return this.selector; |
| } |
| |
| /** |
| * After method verifier has finished, fill in missing @NonNull specification from the applicable default. |
| */ |
| protected void fillInDefaultNonNullness(AbstractMethodDeclaration sourceMethod) { |
| if (this.parameterNonNullness == null) |
| this.parameterNonNullness = new Boolean[this.parameters.length]; |
| boolean added = false; |
| int length = this.parameterNonNullness.length; |
| for (int i = 0; i < length; i++) { |
| if (this.parameters[i].isBaseType()) |
| continue; |
| if (this.parameterNonNullness[i] == null) { |
| added = true; |
| this.parameterNonNullness[i] = Boolean.TRUE; |
| if (sourceMethod != null) { |
| sourceMethod.arguments[i].binding.tagBits |= TagBits.AnnotationNonNull; |
| } |
| } else if (sourceMethod != null && this.parameterNonNullness[i].booleanValue()) { |
| sourceMethod.scope.problemReporter().nullAnnotationIsRedundant(sourceMethod, i); |
| } |
| } |
| if (added) |
| this.tagBits |= TagBits.HasParameterAnnotations; |
| if ( this.returnType != null |
| && !this.returnType.isBaseType() |
| && (this.tagBits & TagBits.AnnotationNullMASK) == 0) |
| { |
| this.tagBits |= TagBits.AnnotationNonNull; |
| } else if (sourceMethod != null && (this.tagBits & TagBits.AnnotationNonNull) != 0) { |
| sourceMethod.scope.problemReporter().nullAnnotationIsRedundant(sourceMethod, -1/*signifies method return*/); |
| } |
| } |
| |
| //pre: null annotation analysis is enabled |
| protected void fillInDefaultNonNullness18(AbstractMethodDeclaration sourceMethod, LookupEnvironment env) { |
| if (hasNonNullDefaultFor(DefaultLocationParameter, true)) { |
| boolean added = false; |
| int length = this.parameters.length; |
| for (int i = 0; i < length; i++) { |
| TypeBinding parameter = this.parameters[i]; |
| if (!parameter.acceptsNonNullDefault()) |
| continue; |
| long existing = parameter.tagBits & TagBits.AnnotationNullMASK; |
| if (existing == 0L) { |
| added = true; |
| if (!parameter.isBaseType()) { |
| this.parameters[i] = env.createAnnotatedType(parameter, new AnnotationBinding[]{env.getNonNullAnnotation()}); |
| if (sourceMethod != null) |
| sourceMethod.arguments[i].binding.type = this.parameters[i]; |
| } |
| } else if (sourceMethod != null && (parameter.tagBits & TagBits.AnnotationNonNull) != 0 |
| && sourceMethod.arguments[i].hasNullTypeAnnotation(AnnotationPosition.MAIN_TYPE)) { |
| sourceMethod.scope.problemReporter().nullAnnotationIsRedundant(sourceMethod, i); |
| } |
| } |
| if (added) |
| this.tagBits |= TagBits.HasParameterAnnotations; |
| } |
| if (this.returnType != null && hasNonNullDefaultFor(DefaultLocationReturnType, true) && this.returnType.acceptsNonNullDefault()) { |
| if ((this.returnType.tagBits & TagBits.AnnotationNullMASK) == 0) { |
| this.returnType = env.createAnnotatedType(this.returnType, new AnnotationBinding[]{env.getNonNullAnnotation()}); |
| } else if (sourceMethod instanceof MethodDeclaration && (this.returnType.tagBits & TagBits.AnnotationNonNull) != 0 |
| && ((MethodDeclaration)sourceMethod).hasNullTypeAnnotation(AnnotationPosition.MAIN_TYPE)) { |
| sourceMethod.scope.problemReporter().nullAnnotationIsRedundant(sourceMethod, -1/*signifies method return*/); |
| } |
| } |
| } |
| |
| public MethodBinding findOriginalInheritedMethod(MethodBinding inheritedMethod) { |
| MethodBinding inheritedOriginal = inheritedMethod.original(); |
| TypeBinding superType = this.declaringClass.findSuperTypeOriginatingFrom(inheritedOriginal.declaringClass); |
| if (superType == null || !(superType instanceof ReferenceBinding)) return null; |
| |
| if (TypeBinding.notEquals(inheritedOriginal.declaringClass, superType)) { |
| // must find inherited method with the same substituted variables |
| MethodBinding[] superMethods = ((ReferenceBinding) superType).getMethods(inheritedOriginal.selector, inheritedOriginal.parameters.length); |
| for (int m = 0, l = superMethods.length; m < l; m++) |
| if (superMethods[m].original() == inheritedOriginal) |
| return superMethods[m]; |
| } |
| return inheritedOriginal; |
| } |
| |
| /** |
| * <pre> |
| *<typeParam1 ... typeParamM>(param1 ... paramN)returnType thrownException1 ... thrownExceptionP |
| * T foo(T t) throws X<T> ---> (TT;)TT;LX<TT;>; |
| * void bar(X<T> t) --> (LX<TT;>;)V |
| * <T> void bar(X<T> t) --> <T:Ljava.lang.Object;>(LX<TT;>;)V |
| * </pre> |
| */ |
| public char[] genericSignature() { |
| if ((this.modifiers & ExtraCompilerModifiers.AccGenericSignature) == 0) return null; |
| StringBuffer sig = new StringBuffer(10); |
| if (this.typeVariables != Binding.NO_TYPE_VARIABLES) { |
| sig.append('<'); |
| for (int i = 0, length = this.typeVariables.length; i < length; i++) { |
| sig.append(this.typeVariables[i].genericSignature()); |
| } |
| sig.append('>'); |
| } |
| sig.append('('); |
| for (int i = 0, length = this.parameters.length; i < length; i++) { |
| sig.append(this.parameters[i].genericTypeSignature()); |
| } |
| sig.append(')'); |
| if (this.returnType != null) |
| sig.append(this.returnType.genericTypeSignature()); |
| |
| // only append thrown exceptions if any is generic/parameterized |
| boolean needExceptionSignatures = false; |
| int length = this.thrownExceptions.length; |
| for (int i = 0; i < length; i++) { |
| if((this.thrownExceptions[i].modifiers & ExtraCompilerModifiers.AccGenericSignature) != 0) { |
| needExceptionSignatures = true; |
| break; |
| } |
| } |
| if (needExceptionSignatures) { |
| for (int i = 0; i < length; i++) { |
| sig.append('^'); |
| sig.append(this.thrownExceptions[i].genericTypeSignature()); |
| } |
| } |
| int sigLength = sig.length(); |
| char[] genericSignature = new char[sigLength]; |
| sig.getChars(0, sigLength, genericSignature, 0); |
| return genericSignature; |
| } |
| |
| public final int getAccessFlags() { |
| return this.modifiers & (ExtraCompilerModifiers.AccJustFlag | ExtraCompilerModifiers.AccDefaultMethod); |
| } |
| |
| public AnnotationBinding[] getAnnotations() { |
| MethodBinding originalMethod = original(); |
| return originalMethod.declaringClass.retrieveAnnotations(originalMethod); |
| } |
| |
| /** |
| * Compute the tagbits for standard annotations. For source types, these could require |
| * lazily resolving corresponding annotation nodes, in case of forward references. |
| * @see org.eclipse.jdt.internal.compiler.lookup.Binding#getAnnotationTagBits() |
| */ |
| public long getAnnotationTagBits() { |
| MethodBinding originalMethod = original(); |
| if ((originalMethod.tagBits & TagBits.AnnotationResolved) == 0 && originalMethod.declaringClass instanceof SourceTypeBinding) { |
| ClassScope scope = ((SourceTypeBinding) originalMethod.declaringClass).scope; |
| if (scope != null) { |
| TypeDeclaration typeDecl = scope.referenceContext; |
| AbstractMethodDeclaration methodDecl = typeDecl.declarationOf(originalMethod); |
| if (methodDecl != null) |
| ASTNode.resolveAnnotations(methodDecl.scope, methodDecl.annotations, originalMethod); |
| CompilerOptions options = scope.compilerOptions(); |
| if (options.isAnnotationBasedNullAnalysisEnabled) { |
| boolean usesNullTypeAnnotations = scope.environment().usesNullTypeAnnotations(); |
| long nullDefaultBits = usesNullTypeAnnotations ? this.defaultNullness |
| : this.tagBits & (TagBits.AnnotationNonNullByDefault|TagBits.AnnotationNullUnspecifiedByDefault); |
| if (nullDefaultBits != 0 && this.declaringClass instanceof SourceTypeBinding) { |
| SourceTypeBinding declaringSourceType = (SourceTypeBinding) this.declaringClass; |
| if (declaringSourceType.checkRedundantNullnessDefaultOne(methodDecl, methodDecl.annotations, nullDefaultBits, usesNullTypeAnnotations)) { |
| declaringSourceType.checkRedundantNullnessDefaultRecurse(methodDecl, methodDecl.annotations, nullDefaultBits, usesNullTypeAnnotations); |
| } |
| } |
| } |
| } |
| } |
| return originalMethod.tagBits; |
| } |
| |
| /** |
| * @return the default value for this annotation method or <code>null</code> if there is no default value |
| */ |
| public Object getDefaultValue() { |
| MethodBinding originalMethod = original(); |
| if ((originalMethod.tagBits & TagBits.DefaultValueResolved) == 0) { |
| //The method has not been resolved nor has its class been resolved. |
| //It can only be from a source type within compilation units to process. |
| if (originalMethod.declaringClass instanceof SourceTypeBinding) { |
| SourceTypeBinding sourceType = (SourceTypeBinding) originalMethod.declaringClass; |
| if (sourceType.scope != null) { |
| AbstractMethodDeclaration methodDeclaration = originalMethod.sourceMethod(); |
| if (methodDeclaration != null && methodDeclaration.isAnnotationMethod()) { |
| methodDeclaration.resolve(sourceType.scope); |
| } |
| } |
| } |
| originalMethod.tagBits |= TagBits.DefaultValueResolved; |
| } |
| AnnotationHolder holder = originalMethod.declaringClass.retrieveAnnotationHolder(originalMethod, true); |
| return holder == null ? null : holder.getDefaultValue(); |
| } |
| |
| /** |
| * @return the annotations for each of the method parameters or <code>null></code> |
| * if there's no parameter or no annotation at all. |
| */ |
| public AnnotationBinding[][] getParameterAnnotations() { |
| int length; |
| if ((length = this.parameters.length) == 0) { |
| return null; |
| } |
| MethodBinding originalMethod = original(); |
| AnnotationHolder holder = originalMethod.declaringClass.retrieveAnnotationHolder(originalMethod, true); |
| AnnotationBinding[][] allParameterAnnotations = holder == null ? null : holder.getParameterAnnotations(); |
| if (allParameterAnnotations == null && (this.tagBits & TagBits.HasParameterAnnotations) != 0) { |
| allParameterAnnotations = new AnnotationBinding[length][]; |
| // forward reference to method, where param annotations have not yet been associated to method |
| if (this.declaringClass instanceof SourceTypeBinding) { |
| SourceTypeBinding sourceType = (SourceTypeBinding) this.declaringClass; |
| if (sourceType.scope != null) { |
| AbstractMethodDeclaration methodDecl = sourceType.scope.referenceType().declarationOf(originalMethod); |
| for (int i = 0; i < length; i++) { |
| Argument argument = methodDecl.arguments[i]; |
| if (argument.annotations != null) { |
| ASTNode.resolveAnnotations(methodDecl.scope, argument.annotations, argument.binding); |
| allParameterAnnotations[i] = argument.binding.getAnnotations(); |
| } else { |
| allParameterAnnotations[i] = Binding.NO_ANNOTATIONS; |
| } |
| } |
| } else { |
| for (int i = 0; i < length; i++) { |
| allParameterAnnotations[i] = Binding.NO_ANNOTATIONS; |
| } |
| } |
| } else { |
| for (int i = 0; i < length; i++) { |
| allParameterAnnotations[i] = Binding.NO_ANNOTATIONS; |
| } |
| } |
| setParameterAnnotations(allParameterAnnotations); |
| } |
| return allParameterAnnotations; |
| } |
| |
| public TypeVariableBinding getTypeVariable(char[] variableName) { |
| for (int i = this.typeVariables.length; --i >= 0;) |
| if (CharOperation.equals(this.typeVariables[i].sourceName, variableName)) |
| return this.typeVariables[i]; |
| return null; |
| } |
| |
| /** |
| * Returns true if method got substituted parameter types |
| * (see ParameterizedMethodBinding) |
| */ |
| public boolean hasSubstitutedParameters() { |
| return false; |
| } |
| |
| /* Answer true if the return type got substituted. |
| */ |
| public boolean hasSubstitutedReturnType() { |
| return false; |
| } |
| |
| /* Answer true if the receiver is an abstract method |
| */ |
| public final boolean isAbstract() { |
| return (this.modifiers & ClassFileConstants.AccAbstract) != 0; |
| } |
| |
| /* Answer true if the receiver is a bridge method |
| */ |
| public final boolean isBridge() { |
| return (this.modifiers & ClassFileConstants.AccBridge) != 0; |
| } |
| |
| /* Answer true if the receiver is a constructor |
| */ |
| public final boolean isConstructor() { |
| return this.selector == TypeConstants.INIT; |
| } |
| |
| /* Answer true if the receiver has default visibility |
| */ |
| public final boolean isDefault() { |
| return !isPublic() && !isProtected() && !isPrivate(); |
| } |
| |
| /* Answer true if the receiver is a system generated default abstract method |
| */ |
| public final boolean isDefaultAbstract() { |
| return (this.modifiers & ExtraCompilerModifiers.AccDefaultAbstract) != 0; |
| } |
| |
| /* Answer true if the receiver is a default method (Java 8 feature) */ |
| public boolean isDefaultMethod() { |
| return (this.modifiers & ExtraCompilerModifiers.AccDefaultMethod) != 0; |
| } |
| |
| /* Answer true if the receiver is a deprecated method |
| */ |
| public final boolean isDeprecated() { |
| return (this.modifiers & ClassFileConstants.AccDeprecated) != 0; |
| } |
| |
| /* Answer true if the receiver is final and cannot be overridden |
| */ |
| public boolean isFinal() { // AspectJ Extension, made non-final |
| return (this.modifiers & ClassFileConstants.AccFinal) != 0; |
| } |
| |
| /* Answer true if the receiver is implementing another method |
| * in other words, it is overriding and concrete, and overriden method is abstract |
| * Only set for source methods |
| */ |
| public final boolean isImplementing() { |
| return (this.modifiers & ExtraCompilerModifiers.AccImplementing) != 0; |
| } |
| |
| /* |
| * Answer true if the receiver is a "public static void main(String[])" method |
| */ |
| public final boolean isMain() { |
| if (this.selector.length == 4 && CharOperation.equals(this.selector, TypeConstants.MAIN) |
| && ((this.modifiers & (ClassFileConstants.AccPublic | ClassFileConstants.AccStatic)) != 0) |
| && TypeBinding.VOID == this.returnType |
| && this.parameters.length == 1) { |
| TypeBinding paramType = this.parameters[0]; |
| if (paramType.dimensions() == 1 && paramType.leafComponentType().id == TypeIds.T_JavaLangString) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /* Answer true if the receiver is a native method |
| */ |
| public final boolean isNative() { |
| return (this.modifiers & ClassFileConstants.AccNative) != 0; |
| } |
| |
| /* Answer true if the receiver is overriding another method |
| * Only set for source methods |
| */ |
| public final boolean isOverriding() { |
| return (this.modifiers & ExtraCompilerModifiers.AccOverriding) != 0; |
| } |
| /* Answer true if the receiver has private visibility |
| */ |
| public final boolean isPrivate() { |
| return (this.modifiers & ClassFileConstants.AccPrivate) != 0; |
| } |
| |
| /* Answer true if the receiver has private visibility or if any of its enclosing types do. |
| */ |
| public final boolean isOrEnclosedByPrivateType() { |
| if ((this.modifiers & ClassFileConstants.AccPrivate) != 0) |
| return true; |
| return this.declaringClass != null && this.declaringClass.isOrEnclosedByPrivateType(); |
| } |
| |
| /* Answer true if the receiver has protected visibility |
| */ |
| public final boolean isProtected() { |
| return (this.modifiers & ClassFileConstants.AccProtected) != 0; |
| } |
| |
| /* Answer true if the receiver has public visibility |
| */ |
| public final boolean isPublic() { |
| return (this.modifiers & ClassFileConstants.AccPublic) != 0; |
| } |
| |
| /* Answer true if the receiver is a static method |
| */ |
| public final boolean isStatic() { |
| return (this.modifiers & ClassFileConstants.AccStatic) != 0; |
| } |
| |
| /* Answer true if all float operations must adher to IEEE 754 float/double rules |
| */ |
| public final boolean isStrictfp() { |
| return (this.modifiers & ClassFileConstants.AccStrictfp) != 0; |
| } |
| |
| /* Answer true if the receiver is a synchronized method |
| */ |
| public final boolean isSynchronized() { |
| return (this.modifiers & ClassFileConstants.AccSynchronized) != 0; |
| } |
| |
| /* Answer true if the receiver has public visibility |
| */ |
| public final boolean isSynthetic() { |
| return (this.modifiers & ClassFileConstants.AccSynthetic) != 0; |
| } |
| |
| /* Answer true if the receiver has private visibility and is used locally |
| */ |
| public final boolean isUsed() { |
| return (this.modifiers & ExtraCompilerModifiers.AccLocallyUsed) != 0; |
| } |
| |
| /* Answer true if the receiver method has varargs |
| */ |
| public boolean isVarargs() { |
| return (this.modifiers & ClassFileConstants.AccVarargs) != 0; |
| } |
| public boolean isPolymorphic() { |
| return false; |
| } |
| /* Answer true if the receiver's declaring type is deprecated (or any of its enclosing types) |
| */ |
| public final boolean isViewedAsDeprecated() { |
| return (this.modifiers & (ClassFileConstants.AccDeprecated | ExtraCompilerModifiers.AccDeprecatedImplicitly)) != 0; |
| } |
| |
| public final int kind() { |
| return Binding.METHOD; |
| } |
| /* Answer true if the receiver is visible to the invocationPackage. |
| */ |
| |
| /** |
| * Returns the original method (as opposed to parameterized/polymorphic instances) |
| */ |
| public MethodBinding original() { |
| return this; |
| } |
| |
| /** |
| * Strips one level of parameterization, so if both class & method are parameterized, |
| * leave the class parameters in place. |
| */ |
| public MethodBinding shallowOriginal() { |
| return original(); |
| } |
| |
| public MethodBinding genericMethod() { |
| return this; |
| } |
| |
| public char[] readableName() /* foo(int, Thread) */ { |
| StringBuffer buffer = new StringBuffer(this.parameters.length + 1 * 20); |
| if (isConstructor()) |
| buffer.append(this.declaringClass.sourceName()); |
| else |
| buffer.append(this.selector); |
| buffer.append('('); |
| if (this.parameters != Binding.NO_PARAMETERS) { |
| for (int i = 0, length = this.parameters.length; i < length; i++) { |
| if (i > 0) |
| buffer.append(", "); //$NON-NLS-1$ |
| buffer.append(this.parameters[i].sourceName()); |
| } |
| } |
| buffer.append(')'); |
| return buffer.toString().toCharArray(); |
| } |
| public void setAnnotations(AnnotationBinding[] annotations) { |
| this.declaringClass.storeAnnotations(this, annotations); |
| } |
| public void setAnnotations(AnnotationBinding[] annotations, AnnotationBinding[][] parameterAnnotations, Object defaultValue, LookupEnvironment optionalEnv) { |
| this.declaringClass.storeAnnotationHolder(this, AnnotationHolder.storeAnnotations(annotations, parameterAnnotations, defaultValue, optionalEnv)); |
| } |
| public void setDefaultValue(Object defaultValue) { |
| MethodBinding originalMethod = original(); |
| originalMethod.tagBits |= TagBits.DefaultValueResolved; |
| |
| AnnotationHolder holder = this.declaringClass.retrieveAnnotationHolder(this, false); |
| if (holder == null) |
| setAnnotations(null, null, defaultValue, null); |
| else |
| setAnnotations(holder.getAnnotations(), holder.getParameterAnnotations(), defaultValue, null); |
| } |
| public void setParameterAnnotations(AnnotationBinding[][] parameterAnnotations) { |
| AnnotationHolder holder = this.declaringClass.retrieveAnnotationHolder(this, false); |
| if (holder == null) |
| setAnnotations(null, parameterAnnotations, null, null); |
| else |
| setAnnotations(holder.getAnnotations(), parameterAnnotations, holder.getDefaultValue(), null); |
| } |
| protected final void setSelector(char[] selector) { |
| this.selector = selector; |
| this.signature = null; |
| } |
| |
| /** |
| * @see org.eclipse.jdt.internal.compiler.lookup.Binding#shortReadableName() |
| */ |
| public char[] shortReadableName() { |
| StringBuffer buffer = new StringBuffer(this.parameters.length + 1 * 20); |
| if (isConstructor()) |
| buffer.append(this.declaringClass.shortReadableName()); |
| else |
| buffer.append(this.selector); |
| buffer.append('('); |
| if (this.parameters != Binding.NO_PARAMETERS) { |
| for (int i = 0, length = this.parameters.length; i < length; i++) { |
| if (i > 0) |
| buffer.append(", "); //$NON-NLS-1$ |
| buffer.append(this.parameters[i].shortReadableName()); |
| } |
| } |
| buffer.append(')'); |
| int nameLength = buffer.length(); |
| char[] shortReadableName = new char[nameLength]; |
| buffer.getChars(0, nameLength, shortReadableName, 0); |
| return shortReadableName; |
| } |
| |
| /* Answer the receiver's signature. |
| * |
| * NOTE: This method should only be used during/after code gen. |
| * The signature is cached so if the signature of the return type or any parameter |
| * type changes, the cached state is invalid. |
| */ |
| public final char[] signature() /* (ILjava/lang/Thread;)Ljava/lang/Object; */ { |
| if (this.signature != null) |
| return this.signature; |
| |
| StringBuffer buffer = new StringBuffer(this.parameters.length + 1 * 20); |
| buffer.append('('); |
| |
| TypeBinding[] targetParameters = this.parameters; |
| boolean isConstructor = isConstructor(); |
| if (isConstructor && this.declaringClass.isEnum()) { // insert String name,int ordinal |
| buffer.append(ConstantPool.JavaLangStringSignature); |
| buffer.append(TypeBinding.INT.signature()); |
| } |
| boolean needSynthetics = isConstructor && this.declaringClass.isNestedType(); |
| if (needSynthetics) { |
| // take into account the synthetic argument type signatures as well |
| ReferenceBinding[] syntheticArgumentTypes = this.declaringClass.syntheticEnclosingInstanceTypes(); |
| if (syntheticArgumentTypes != null) { |
| for (int i = 0, count = syntheticArgumentTypes.length; i < count; i++) { |
| buffer.append(syntheticArgumentTypes[i].signature()); |
| } |
| } |
| |
| if (this instanceof SyntheticMethodBinding) { |
| targetParameters = ((SyntheticMethodBinding)this).targetMethod.parameters; |
| } |
| } |
| |
| if (targetParameters != Binding.NO_PARAMETERS) { |
| for (int i = 0; i < targetParameters.length; i++) { |
| buffer.append(targetParameters[i].signature()); |
| } |
| } |
| if (needSynthetics) { |
| SyntheticArgumentBinding[] syntheticOuterArguments = this.declaringClass.syntheticOuterLocalVariables(); |
| int count = syntheticOuterArguments == null ? 0 : syntheticOuterArguments.length; |
| for (int i = 0; i < count; i++) { |
| buffer.append(syntheticOuterArguments[i].type.signature()); |
| } |
| // move the extra padding arguments of the synthetic constructor invocation to the end |
| for (int i = targetParameters.length, extraLength = this.parameters.length; i < extraLength; i++) { |
| buffer.append(this.parameters[i].signature()); |
| } |
| } |
| buffer.append(')'); |
| if (this.returnType != null) |
| buffer.append(this.returnType.signature()); |
| int nameLength = buffer.length(); |
| this.signature = new char[nameLength]; |
| buffer.getChars(0, nameLength, this.signature, 0); |
| |
| return this.signature; |
| } |
| /* |
| * This method is used to record references to nested types inside the method signature. |
| * This is the one that must be used during code generation. |
| * |
| * See https://bugs.eclipse.org/bugs/show_bug.cgi?id=171184 |
| */ |
| public final char[] signature(ClassFile classFile) { |
| if (this.signature != null) { |
| if ((this.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| // we need to record inner classes references |
| boolean isConstructor = isConstructor(); |
| TypeBinding[] targetParameters = this.parameters; |
| boolean needSynthetics = isConstructor && this.declaringClass.isNestedType(); |
| if (needSynthetics) { |
| // take into account the synthetic argument type signatures as well |
| ReferenceBinding[] syntheticArgumentTypes = this.declaringClass.syntheticEnclosingInstanceTypes(); |
| if (syntheticArgumentTypes != null) { |
| for (int i = 0, count = syntheticArgumentTypes.length; i < count; i++) { |
| ReferenceBinding syntheticArgumentType = syntheticArgumentTypes[i]; |
| if ((syntheticArgumentType.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| Util.recordNestedType(classFile, syntheticArgumentType); |
| } |
| } |
| } |
| if (this instanceof SyntheticMethodBinding) { |
| targetParameters = ((SyntheticMethodBinding)this).targetMethod.parameters; |
| } |
| } |
| |
| if (targetParameters != Binding.NO_PARAMETERS) { |
| for (int i = 0, max = targetParameters.length; i < max; i++) { |
| TypeBinding targetParameter = targetParameters[i]; |
| TypeBinding leafTargetParameterType = targetParameter.leafComponentType(); |
| if ((leafTargetParameterType.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| Util.recordNestedType(classFile, leafTargetParameterType); |
| } |
| } |
| } |
| if (needSynthetics) { |
| // move the extra padding arguments of the synthetic constructor invocation to the end |
| for (int i = targetParameters.length, extraLength = this.parameters.length; i < extraLength; i++) { |
| TypeBinding parameter = this.parameters[i]; |
| TypeBinding leafParameterType = parameter.leafComponentType(); |
| if ((leafParameterType.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| Util.recordNestedType(classFile, leafParameterType); |
| } |
| } |
| } |
| if (this.returnType != null) { |
| TypeBinding ret = this.returnType.leafComponentType(); |
| if ((ret.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| Util.recordNestedType(classFile, ret); |
| } |
| } |
| } |
| return this.signature; |
| } |
| |
| StringBuffer buffer = new StringBuffer((this.parameters.length + 1) * 20); |
| buffer.append('('); |
| |
| TypeBinding[] targetParameters = this.parameters; |
| boolean isConstructor = isConstructor(); |
| if (isConstructor && this.declaringClass.isEnum()) { // insert String name,int ordinal |
| buffer.append(ConstantPool.JavaLangStringSignature); |
| buffer.append(TypeBinding.INT.signature()); |
| } |
| boolean needSynthetics = isConstructor && this.declaringClass.isNestedType(); |
| if (needSynthetics) { |
| // take into account the synthetic argument type signatures as well |
| ReferenceBinding[] syntheticArgumentTypes = this.declaringClass.syntheticEnclosingInstanceTypes(); |
| if (syntheticArgumentTypes != null) { |
| for (int i = 0, count = syntheticArgumentTypes.length; i < count; i++) { |
| ReferenceBinding syntheticArgumentType = syntheticArgumentTypes[i]; |
| if ((syntheticArgumentType.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| this.tagBits |= TagBits.ContainsNestedTypeReferences; |
| Util.recordNestedType(classFile, syntheticArgumentType); |
| } |
| buffer.append(syntheticArgumentType.signature()); |
| } |
| } |
| |
| if (this instanceof SyntheticMethodBinding) { |
| targetParameters = ((SyntheticMethodBinding)this).targetMethod.parameters; |
| } |
| } |
| |
| if (targetParameters != Binding.NO_PARAMETERS) { |
| for (int i = 0, max = targetParameters.length; i < max; i++) { |
| TypeBinding targetParameter = targetParameters[i]; |
| TypeBinding leafTargetParameterType = targetParameter.leafComponentType(); |
| if ((leafTargetParameterType.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| this.tagBits |= TagBits.ContainsNestedTypeReferences; |
| Util.recordNestedType(classFile, leafTargetParameterType); |
| } |
| buffer.append(targetParameter.signature()); |
| } |
| } |
| if (needSynthetics) { |
| SyntheticArgumentBinding[] syntheticOuterArguments = this.declaringClass.syntheticOuterLocalVariables(); |
| int count = syntheticOuterArguments == null ? 0 : syntheticOuterArguments.length; |
| for (int i = 0; i < count; i++) { |
| buffer.append(syntheticOuterArguments[i].type.signature()); |
| } |
| // move the extra padding arguments of the synthetic constructor invocation to the end |
| for (int i = targetParameters.length, extraLength = this.parameters.length; i < extraLength; i++) { |
| TypeBinding parameter = this.parameters[i]; |
| TypeBinding leafParameterType = parameter.leafComponentType(); |
| if ((leafParameterType.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| this.tagBits |= TagBits.ContainsNestedTypeReferences; |
| Util.recordNestedType(classFile, leafParameterType); |
| } |
| buffer.append(parameter.signature()); |
| } |
| } |
| buffer.append(')'); |
| if (this.returnType != null) { |
| TypeBinding ret = this.returnType.leafComponentType(); |
| if ((ret.tagBits & TagBits.ContainsNestedTypeReferences) != 0) { |
| this.tagBits |= TagBits.ContainsNestedTypeReferences; |
| Util.recordNestedType(classFile, ret); |
| } |
| buffer.append(this.returnType.signature()); |
| } |
| int nameLength = buffer.length(); |
| this.signature = new char[nameLength]; |
| buffer.getChars(0, nameLength, this.signature, 0); |
| |
| return this.signature; |
| } |
| public final int sourceEnd() { |
| AbstractMethodDeclaration method = sourceMethod(); |
| if (method == null) { |
| if (this.declaringClass instanceof SourceTypeBinding) |
| return ((SourceTypeBinding) this.declaringClass).sourceEnd(); |
| return 0; |
| } |
| return method.sourceEnd; |
| } |
| public AbstractMethodDeclaration sourceMethod() { |
| // AspectJ Extension |
| // AspectJ has synthetic methods that do have a source rep (e.g. pointcuts) |
| // TODO could do this through overriding? maybe if we did use a subtype, but not sure we do |
| // TODO can't recognize via ajc$ because they might be annotation style |
| // old code: |
| // if (isSynthetic()) { |
| // return null; |
| // } |
| SourceTypeBinding sourceType; |
| // AspectJ Extension |
| if (declaringClass instanceof BinaryTypeBinding) return null; |
| // End AspectJ Extension |
| try { |
| sourceType = (SourceTypeBinding) this.declaringClass; |
| } catch (ClassCastException e) { |
| return null; |
| } |
| |
| // AspectJ Extension |
| // guard due to pr154923 - an npe occurs that is probably disguising an underlying problem that will be reported properly |
| if (sourceType.scope==null || sourceType.scope.referenceContext==null || sourceType.scope.referenceContext.methods==null) return null; |
| // End AspectJ Extension |
| AbstractMethodDeclaration[] methods = sourceType.scope != null ? sourceType.scope.referenceContext.methods : null; |
| if (methods != null) { |
| for (int i = methods.length; --i >= 0;) |
| if (this == methods[i].binding) |
| return methods[i]; |
| } |
| return null; |
| } |
| public LambdaExpression sourceLambda() { |
| return null; |
| } |
| public final int sourceStart() { |
| AbstractMethodDeclaration method = sourceMethod(); |
| if (method == null) { |
| // AspectJ Extension - add check to ensure not asking binary for positions (AJ462782) |
| if (this.declaringClass instanceof SourceTypeBinding && !(this.declaringClass instanceof BinaryTypeBinding)) |
| return ((SourceTypeBinding) this.declaringClass).sourceStart(); |
| return 0; |
| } |
| return method.sourceStart; |
| } |
| //AspectJ Extension |
| /** |
| * Subtypes can override this to return true if an access method should be |
| * used when referring to this method binding. Currently used |
| * for AspectJ's inter-type method declarations. |
| */ |
| public boolean alwaysNeedsAccessMethod() { return false; } |
| |
| |
| /** |
| * This will only be called if alwaysNeedsAccessMethod() returns true. |
| * In that case it should return the access method to be used. |
| */ |
| public MethodBinding getAccessMethod(boolean staticReference) { |
| throw new RuntimeException("unimplemented"); |
| } |
| // End AspectJ Extension |
| |
| /** |
| * Returns the method to use during tiebreak (usually the method itself). |
| * For generic method invocations, tiebreak needs to use generic method with erasure substitutes. |
| */ |
| public MethodBinding tiebreakMethod() { |
| return this; |
| } |
| public String toString() { |
| StringBuffer output = new StringBuffer(10); |
| if ((this.modifiers & ExtraCompilerModifiers.AccUnresolved) != 0) { |
| output.append("[unresolved] "); //$NON-NLS-1$ |
| } |
| ASTNode.printModifiers(this.modifiers, output); |
| output.append(this.returnType != null ? this.returnType.debugName() : "<no type>"); //$NON-NLS-1$ |
| output.append(" "); //$NON-NLS-1$ |
| output.append(this.selector != null ? new String(this.selector) : "<no selector>"); //$NON-NLS-1$ |
| output.append("("); //$NON-NLS-1$ |
| if (this.parameters != null) { |
| if (this.parameters != Binding.NO_PARAMETERS) { |
| for (int i = 0, length = this.parameters.length; i < length; i++) { |
| if (i > 0) |
| output.append(", "); //$NON-NLS-1$ |
| output.append(this.parameters[i] != null ? this.parameters[i].debugName() : "<no argument type>"); //$NON-NLS-1$ |
| } |
| } |
| } else { |
| output.append("<no argument types>"); //$NON-NLS-1$ |
| } |
| output.append(") "); //$NON-NLS-1$ |
| |
| if (this.thrownExceptions != null) { |
| if (this.thrownExceptions != Binding.NO_EXCEPTIONS) { |
| output.append("throws "); //$NON-NLS-1$ |
| for (int i = 0, length = this.thrownExceptions.length; i < length; i++) { |
| if (i > 0) |
| output.append(", "); //$NON-NLS-1$ |
| output.append((this.thrownExceptions[i] != null) ? this.thrownExceptions[i].debugName() : "<no exception type>"); //$NON-NLS-1$ |
| } |
| } |
| } else { |
| output.append("<no exception types>"); //$NON-NLS-1$ |
| } |
| return output.toString(); |
| } |
| public TypeVariableBinding[] typeVariables() { |
| return this.typeVariables; |
| } |
| //pre: null annotation analysis is enabled |
| public boolean hasNonNullDefaultFor(int location, boolean useTypeAnnotations) { |
| if ((this.modifiers & ExtraCompilerModifiers.AccIsDefaultConstructor) != 0) |
| return false; |
| if (useTypeAnnotations) { |
| if (this.defaultNullness != 0) |
| return (this.defaultNullness & location) != 0; |
| } else { |
| if ((this.tagBits & TagBits.AnnotationNonNullByDefault) != 0) |
| return true; |
| if ((this.tagBits & TagBits.AnnotationNullUnspecifiedByDefault) != 0) |
| return false; |
| } |
| return this.declaringClass.hasNonNullDefaultFor(location, useTypeAnnotations); |
| } |
| |
| public boolean redeclaresPublicObjectMethod(Scope scope) { |
| ReferenceBinding javaLangObject = scope.getJavaLangObject(); |
| MethodBinding [] methods = javaLangObject.getMethods(this.selector); |
| for (int i = 0, length = methods == null ? 0 : methods.length; i < length; i++) { |
| final MethodBinding method = methods[i]; |
| if (!method.isPublic() || method.isStatic() || method.parameters.length != this.parameters.length) |
| continue; |
| if (MethodVerifier.doesMethodOverride(this, method, scope.environment())) |
| return true; |
| } |
| return false; |
| } |
| public boolean isVoidMethod() { |
| return this.returnType == TypeBinding.VOID; |
| } |
| } |
