/*******************************************************************************
* Copyright (c) 2000, 2007 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
* Nick Teryaev - fix for bug (https://bugs.eclipse.org/bugs/show_bug.cgi?id=40752)
* Palo Alto Research Center, Incorporated - AspectJ adaptation
******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.compiler.ast;
import org.aspectj.org.eclipse.jdt.core.compiler.CharOperation;
import org.aspectj.org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream;
import org.aspectj.org.eclipse.jdt.internal.compiler.flow.FlowContext;
import org.aspectj.org.eclipse.jdt.internal.compiler.flow.FlowInfo;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.Constant;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.ReferenceContext;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ExtraCompilerModifiers;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.IPrivilegedHandler;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.InvocationSite;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ProblemMethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ProblemReasons;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ProblemReferenceBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.RawTypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TagBits;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeIds;
import org.aspectj.org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
/**
* AspectJ Extension - support for MethodBinding.alwaysNeedsAccessMethod
*/
public class MessageSend extends Expression implements InvocationSite {
public Expression receiver;
public char[] selector;
public Expression[] arguments;
public MethodBinding binding; // exact binding resulting from lookup
public MethodBinding codegenBinding; // AspectJ Extension - raise visibility // actual binding used for code generation (if no synthetic accessor)
public MethodBinding syntheticAccessor; // AspectJ Extension - raise visibility // synthetic accessor for inner-emulation
public TypeBinding expectedType; // for generic method invocation (return type inference)
public long nameSourcePosition ; //(start<<32)+end
public TypeBinding actualReceiverType;
public TypeBinding receiverGenericCast; // extra reference type cast to perform on generic receiver
public TypeBinding valueCast; // extra reference type cast to perform on method returned value
public TypeReference[] typeArguments;
public TypeBinding[] genericTypeArguments;
public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
boolean nonStatic = !this.binding.isStatic();
flowInfo = this.receiver.analyseCode(currentScope, flowContext, flowInfo, nonStatic).unconditionalInits();
if (nonStatic) {
this.receiver.checkNPE(currentScope, flowContext, flowInfo);
}
if (this.arguments != null) {
int length = this.arguments.length;
for (int i = 0; i < length; i++) {
flowInfo = this.arguments[i].analyseCode(currentScope, flowContext, flowInfo).unconditionalInits();
}
}
ReferenceBinding[] thrownExceptions;
if ((thrownExceptions = this.binding.thrownExceptions) != Binding.NO_EXCEPTIONS) {
// must verify that exceptions potentially thrown by this expression are caught in the method
flowContext.checkExceptionHandlers(thrownExceptions, this, flowInfo.copy(), currentScope);
// TODO (maxime) the copy above is needed because of a side effect into
// checkExceptionHandlers; consider protecting there instead of here;
// NullReferenceTest#test0510
}
manageSyntheticAccessIfNecessary(currentScope, flowInfo);
return flowInfo;
}
/**
* @see org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression#computeConversion(org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Scope, org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding, org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding)
*/
public void computeConversion(Scope scope, TypeBinding runtimeTimeType, TypeBinding compileTimeType) {
if (runtimeTimeType == null || compileTimeType == null)
return;
// set the generic cast after the fact, once the type expectation is fully known (no need for strict cast)
if (this.binding != null && this.binding.isValidBinding()) {
MethodBinding originalBinding = this.binding.original();
TypeBinding originalType = originalBinding.returnType;
// extra cast needed if method return type is type variable
if (originalBinding != this.binding
&& originalType != this.binding.returnType
&& runtimeTimeType.id != TypeIds.T_JavaLangObject
&& (originalType.tagBits & TagBits.HasTypeVariable) != 0) {
TypeBinding targetType = (!compileTimeType.isBaseType() && runtimeTimeType.isBaseType())
? compileTimeType // unboxing: checkcast before conversion
: runtimeTimeType;
this.valueCast = originalType.genericCast(targetType);
} else if (this.actualReceiverType.isArrayType()
&& runtimeTimeType.id != TypeIds.T_JavaLangObject
&& this.binding.parameters == Binding.NO_PARAMETERS
&& scope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_5
&& CharOperation.equals(this.binding.selector, TypeConstants.CLONE)) {
// from 1.5 compliant mode on, array#clone() resolves to array type, but codegen to #clone()Object - thus require extra inserted cast
this.valueCast = runtimeTimeType;
}
if (this.valueCast instanceof ReferenceBinding) {
ReferenceBinding referenceCast = (ReferenceBinding) this.valueCast;
if (!referenceCast.canBeSeenBy(scope)) {
scope.problemReporter().invalidType(this,
new ProblemReferenceBinding(
CharOperation.splitOn('.', referenceCast.shortReadableName()),
referenceCast,
ProblemReasons.NotVisible));
}
}
}
super.computeConversion(scope, runtimeTimeType, compileTimeType);
}
/**
* MessageSend code generation
*
* @param currentScope org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BlockScope
* @param codeStream org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream
* @param valueRequired boolean
*/
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
int pc = codeStream.position;
// generate receiver/enclosing instance access
boolean isStatic = this.codegenBinding.isStatic();
if (isStatic) {
this.receiver.generateCode(currentScope, codeStream, false);
codeStream.recordPositionsFrom(pc, this.sourceStart);
} else if ((this.bits & ASTNode.DepthMASK) != 0 && this.receiver.isImplicitThis()) { // outer access ?
// outer method can be reached through emulation if implicit access
ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT);
Object[] path = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
codeStream.generateOuterAccess(path, this, targetType, currentScope);
} else {
this.receiver.generateCode(currentScope, codeStream, true);
if (this.receiverGenericCast != null)
codeStream.checkcast(this.receiverGenericCast);
codeStream.recordPositionsFrom(pc, this.sourceStart);
}
// generate arguments
generateArguments(this.binding, this.arguments, currentScope, codeStream);
// actual message invocation
if (this.syntheticAccessor == null){
if (isStatic){
codeStream.invokestatic(this.codegenBinding);
} else {
if( (this.receiver.isSuper()) || this.codegenBinding.isPrivate()){
codeStream.invokespecial(this.codegenBinding);
} else {
if (this.codegenBinding.declaringClass.isInterface()) { // interface or annotation type
codeStream.invokeinterface(this.codegenBinding);
} else {
codeStream.invokevirtual(this.codegenBinding);
}
}
}
} else {
// AspectJ Extension
// replaced this one line:
// codeStream.invokestatic(this.syntheticAccessor);
// with
// Although all JDT based accessors are static, that is not true of
// AspectJ accessors. For example: ajc$privMethod for accessing private
// methods on types from a privileged aspect.
if (syntheticAccessor.isStatic()) {
codeStream.invokestatic(syntheticAccessor);
} else {
codeStream.invokevirtual(syntheticAccessor);
}
// End AspectJ extension
}
// required cast must occur even if no value is required
if (this.valueCast != null) codeStream.checkcast(this.valueCast);
if (valueRequired){
// implicit conversion if necessary
codeStream.generateImplicitConversion(this.implicitConversion);
} else {
boolean isUnboxing = (this.implicitConversion & TypeIds.UNBOXING) != 0;
// conversion only generated if unboxing
if (isUnboxing) codeStream.generateImplicitConversion(this.implicitConversion);
switch (isUnboxing ? postConversionType(currentScope).id : this.codegenBinding.returnType.id) {
case T_long :
case T_double :
codeStream.pop2();
break;
case T_void :
break;
default :
codeStream.pop();
}
}
codeStream.recordPositionsFrom(pc, (int)(this.nameSourcePosition >>> 32)); // highlight selector
}
/**
* @see org.aspectj.org.eclipse.jdt.internal.compiler.lookup.InvocationSite#genericTypeArguments()
*/
public TypeBinding[] genericTypeArguments() {
return this.genericTypeArguments;
}
public boolean isSuperAccess() {
return this.receiver.isSuper();
}
public boolean isTypeAccess() {
return this.receiver != null && this.receiver.isTypeReference();
}
public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo){
// AspectJ Extension
if (binding.alwaysNeedsAccessMethod()) {
syntheticAccessor = binding.getAccessMethod(isSuperAccess());
this.codegenBinding = this.binding;//.original();
return;
}
// End AspectJ Extension
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) != 0) return;
// if method from parameterized type got found, use the original method at codegen time
this.codegenBinding = this.binding.original();
if (this.binding.isPrivate()){
// AspectJ extension
// Ok, it is a private method call - check if this has been allowed through
// the compiler because of privilege?
IPrivilegedHandler iph = Scope.findPrivilegedHandler(currentScope.invocationType());
if (iph != null) {
// ??? Should getPriviligedAccessMethod() provide a flag to indicate
// if you *want* to build a new accessor or if you just want to see if
// one already exists?
MethodBinding privAccessor = iph.getPrivilegedAccessMethod(binding,null);
syntheticAccessor = privAccessor;
return;
}
// End AspectJ extension
// depth is set for both implicit and explicit access (see MethodBinding#canBeSeenBy)
if (currentScope.enclosingSourceType() != this.codegenBinding.declaringClass){
this.syntheticAccessor = ((SourceTypeBinding)this.codegenBinding.declaringClass).addSyntheticMethod(this.codegenBinding, isSuperAccess());
currentScope.problemReporter().needToEmulateMethodAccess(this.codegenBinding, this);
return;
}
} else if (this.receiver instanceof QualifiedSuperReference){ // qualified super
// qualified super need emulation always
SourceTypeBinding destinationType = (SourceTypeBinding)(((QualifiedSuperReference)this.receiver).currentCompatibleType);
this.syntheticAccessor = destinationType.addSyntheticMethod(this.codegenBinding, isSuperAccess());
currentScope.problemReporter().needToEmulateMethodAccess(this.codegenBinding, this);
return;
} else if (this.binding.isProtected()){
SourceTypeBinding enclosingSourceType;
if (((this.bits & ASTNode.DepthMASK) != 0)
&& this.codegenBinding.declaringClass.getPackage()
!= (enclosingSourceType = currentScope.invocationType()).getPackage()){// AspectJ extension - ask for the invocationType(), not the enclosingSourceType()
SourceTypeBinding currentCompatibleType = (SourceTypeBinding)enclosingSourceType.enclosingTypeAt((this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT);
this.syntheticAccessor = currentCompatibleType.addSyntheticMethod(this.codegenBinding, isSuperAccess());
currentScope.problemReporter().needToEmulateMethodAccess(this.codegenBinding, this);
return;
}
}
// if the binding declaring class is not visible, need special action
// for runtime compatibility on 1.2 VMs : change the declaring class of the binding
// NOTE: from target 1.2 on, method's declaring class is touched if any different from receiver type
// and not from Object or implicit static method call.
if (this.binding.declaringClass != this.actualReceiverType
&& this.receiverGenericCast == null
&& !this.actualReceiverType.isArrayType()) {
CompilerOptions options = currentScope.compilerOptions();
if ((options.targetJDK >= ClassFileConstants.JDK1_2
&& (options.complianceLevel >= ClassFileConstants.JDK1_4 || !(this.receiver.isImplicitThis() && this.codegenBinding.isStatic()))
&& this.binding.declaringClass.id != TypeIds.T_JavaLangObject) // no change for Object methods
|| !this.binding.declaringClass.canBeSeenBy(currentScope)) {
this.codegenBinding = currentScope.enclosingSourceType().getUpdatedMethodBinding(
this.codegenBinding, (ReferenceBinding) this.actualReceiverType.erasure());
}
// Post 1.4.0 target, array clone() invocations are qualified with array type
// This is handled in array type #clone method binding resolution (see Scope and UpdatedMethodBinding)
}
}
public int nullStatus(FlowInfo flowInfo) {
return FlowInfo.UNKNOWN;
}
/**
* @see org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression#postConversionType(Scope)
*/
public TypeBinding postConversionType(Scope scope) {
TypeBinding convertedType = this.resolvedType;
if (this.valueCast != null)
convertedType = this.valueCast;
int runtimeType = (this.implicitConversion & TypeIds.IMPLICIT_CONVERSION_MASK) >> 4;
switch (runtimeType) {
case T_boolean :
convertedType = TypeBinding.BOOLEAN;
break;
case T_byte :
convertedType = TypeBinding.BYTE;
break;
case T_short :
convertedType = TypeBinding.SHORT;
break;
case T_char :
convertedType = TypeBinding.CHAR;
break;
case T_int :
convertedType = TypeBinding.INT;
break;
case T_float :
convertedType = TypeBinding.FLOAT;
break;
case T_long :
convertedType = TypeBinding.LONG;
break;
case T_double :
convertedType = TypeBinding.DOUBLE;
break;
default :
}
if ((this.implicitConversion & TypeIds.BOXING) != 0) {
convertedType = scope.environment().computeBoxingType(convertedType);
}
return convertedType;
}
public StringBuffer printExpression(int indent, StringBuffer output){
if (!this.receiver.isImplicitThis()) this.receiver.printExpression(0, output).append('.');
if (this.typeArguments != null) {
output.append('<');
int max = this.typeArguments.length - 1;
for (int j = 0; j < max; j++) {
this.typeArguments[j].print(0, output);
output.append(", ");//$NON-NLS-1$
}
this.typeArguments[max].print(0, output);
output.append('>');
}
output.append(this.selector).append('(') ;
if (this.arguments != null) {
for (int i = 0; i < this.arguments.length ; i ++) {
if (i > 0) output.append(", "); //$NON-NLS-1$
this.arguments[i].printExpression(0, output);
}
}
return output.append(')');
}
public TypeBinding resolveType(BlockScope scope) {
// Answer the signature return type
// Base type promotion
this.constant = Constant.NotAConstant;
boolean receiverCast = false, argsContainCast = false;
if (this.receiver instanceof CastExpression) {
this.receiver.bits |= ASTNode.DisableUnnecessaryCastCheck; // will check later on
receiverCast = true;
}
this.actualReceiverType = this.receiver.resolveType(scope);
boolean receiverIsType = this.receiver instanceof NameReference && (((NameReference) this.receiver).bits & Binding.TYPE) != 0;
if (receiverCast && this.actualReceiverType != null) {
// due to change of declaring class with receiver type, only identity cast should be notified
if (((CastExpression)this.receiver).expression.resolvedType == this.actualReceiverType) {
scope.problemReporter().unnecessaryCast((CastExpression)this.receiver);
}
}
// resolve type arguments (for generic constructor call)
if (this.typeArguments != null) {
int length = this.typeArguments.length;
boolean argHasError = false; // typeChecks all arguments
this.genericTypeArguments = new TypeBinding[length];
for (int i = 0; i < length; i++) {
TypeReference typeReference = this.typeArguments[i];
if ((this.genericTypeArguments[i] = typeReference.resolveType(scope, true /* check bounds*/)) == null) {
argHasError = true;
}
if (argHasError && typeReference instanceof Wildcard) {
scope.problemReporter().illegalUsageOfWildcard(typeReference);
}
}
if (argHasError) {
return null;
}
}
// will check for null after args are resolved
TypeBinding[] argumentTypes = Binding.NO_PARAMETERS;
if (this.arguments != null) {
boolean argHasError = false; // typeChecks all arguments
int length = this.arguments.length;
argumentTypes = new TypeBinding[length];
for (int i = 0; i < length; i++){
Expression argument = this.arguments[i];
if (argument instanceof CastExpression) {
argument.bits |= ASTNode.DisableUnnecessaryCastCheck; // will check later on
argsContainCast = true;
}
if ((argumentTypes[i] = argument.resolveType(scope)) == null){
argHasError = true;
}
}
if (argHasError) {
if (this.actualReceiverType instanceof ReferenceBinding) {
// record a best guess, for clients who need hint about possible method match
TypeBinding[] pseudoArgs = new TypeBinding[length];
for (int i = length; --i >= 0;)
pseudoArgs[i] = argumentTypes[i] == null ? TypeBinding.NULL : argumentTypes[i]; // replace args with errors with null type
this.binding =
this.receiver.isImplicitThis()
? scope.getImplicitMethod(this.selector, pseudoArgs, this)
: scope.findMethod((ReferenceBinding) this.actualReceiverType, this.selector, pseudoArgs, this);
if (this.binding != null && !this.binding.isValidBinding()) {
MethodBinding closestMatch = ((ProblemMethodBinding)this.binding).closestMatch;
// record the closest match, for clients who may still need hint about possible method match
if (closestMatch != null) {
if (closestMatch.original().typeVariables != Binding.NO_TYPE_VARIABLES) { // generic method
// shouldn't return generic method outside its context, rather convert it to raw method (175409)
closestMatch = scope.environment().createParameterizedGenericMethod(closestMatch.original(), (RawTypeBinding)null);
}
this.binding = closestMatch;
MethodBinding closestMatchOriginal = closestMatch.original();
if ((closestMatchOriginal.isPrivate() || closestMatchOriginal.declaringClass.isLocalType()) && !scope.isDefinedInMethod(closestMatchOriginal)) {
// ignore cases where method is used from within inside itself (e.g. direct recursions)
closestMatchOriginal.modifiers |= ExtraCompilerModifiers.AccLocallyUsed;
}
}
}
}
return null;
}
}
if (this.actualReceiverType == null) {
return null;
}
// base type cannot receive any message
if (this.actualReceiverType.isBaseType()) {
scope.problemReporter().errorNoMethodFor(this, this.actualReceiverType, argumentTypes);
return null;
}
resolveMethodBinding(scope, argumentTypes); // AspectJ Extension - moved to helper method
if (!this.binding.isValidBinding()) {
if (this.binding.declaringClass == null) {
if (this.actualReceiverType instanceof ReferenceBinding) {
this.binding.declaringClass = (ReferenceBinding) this.actualReceiverType;
} else {
scope.problemReporter().errorNoMethodFor(this, this.actualReceiverType, argumentTypes);
return null;
}
}
scope.problemReporter().invalidMethod(this, this.binding);
MethodBinding closestMatch = ((ProblemMethodBinding)this.binding).closestMatch;
switch (this.binding.problemId()) {
case ProblemReasons.Ambiguous :
break; // no resilience on ambiguous
case ProblemReasons.NotVisible :
case ProblemReasons.NonStaticReferenceInConstructorInvocation :
case ProblemReasons.NonStaticReferenceInStaticContext :
case ProblemReasons.ReceiverTypeNotVisible :
case ProblemReasons.ParameterBoundMismatch :
// only steal returnType in cases listed above
if (closestMatch != null) this.resolvedType = closestMatch.returnType;
default :
}
// record the closest match, for clients who may still need hint about possible method match
if (closestMatch != null) {
this.binding = closestMatch;
MethodBinding closestMatchOriginal = closestMatch.original();
if ((closestMatchOriginal.isPrivate() || closestMatchOriginal.declaringClass.isLocalType()) && !scope.isDefinedInMethod(closestMatchOriginal)) {
// ignore cases where method is used from within inside itself (e.g. direct recursions)
closestMatchOriginal.modifiers |= ExtraCompilerModifiers.AccLocallyUsed;
}
}
return this.resolvedType;
}
final CompilerOptions compilerOptions = scope.compilerOptions();
if (!this.binding.isStatic()) {
// the "receiver" must not be a type, in other words, a NameReference that the TC has bound to a Type
if (receiverIsType) {
scope.problemReporter().mustUseAStaticMethod(this, this.binding);
if (this.actualReceiverType.isRawType()
&& (this.receiver.bits & ASTNode.IgnoreRawTypeCheck) == 0
&& compilerOptions.getSeverity(CompilerOptions.RawTypeReference) != ProblemSeverities.Ignore) {
scope.problemReporter().rawTypeReference(this.receiver, this.actualReceiverType);
}
} else {
this.receiver.computeConversion(scope, this.actualReceiverType, this.actualReceiverType);
// compute generic cast if necessary
TypeBinding receiverErasure = this.actualReceiverType.erasure();
if (receiverErasure instanceof ReferenceBinding) {
if (receiverErasure.findSuperTypeWithSameErasure(this.binding.declaringClass) == null) {
this.receiverGenericCast = this.binding.declaringClass; // handle indirect inheritance thru variable secondary bound
}
}
}
} else {
// static message invoked through receiver? legal but unoptimal (optional warning).
if (!(this.receiver.isImplicitThis() || this.receiver.isSuper() || receiverIsType)) {
scope.problemReporter().nonStaticAccessToStaticMethod(this, this.binding);
}
if (!this.receiver.isImplicitThis() && this.binding.declaringClass != this.actualReceiverType) {
scope.problemReporter().indirectAccessToStaticMethod(this, this.binding);
}
}
checkInvocationArguments(scope, this.receiver, this.actualReceiverType, this.binding, this.arguments, argumentTypes, argsContainCast, this);
//-------message send that are known to fail at compile time-----------
if (this.binding.isAbstract()) {
if (this.receiver.isSuper()) {
scope.problemReporter().cannotDireclyInvokeAbstractMethod(this, this.binding);
}
// abstract private methods cannot occur nor abstract static............
}
if (isMethodUseDeprecated(this.binding, scope, true))
scope.problemReporter().deprecatedMethod(this.binding, this);
// from 1.5 compliance on, array#clone() returns the array type (but binding still shows Object)
if (this.actualReceiverType.isArrayType()
&& this.binding.parameters == Binding.NO_PARAMETERS
&& compilerOptions.complianceLevel >= ClassFileConstants.JDK1_5
&& CharOperation.equals(this.binding.selector, TypeConstants.CLONE)) {
this.resolvedType = this.actualReceiverType;
} else {
TypeBinding returnType = this.binding.returnType;
if (returnType != null) returnType = returnType.capture(scope, this.sourceEnd);
this.resolvedType = returnType;
}
if (this.receiver.isSuper() && compilerOptions.getSeverity(CompilerOptions.OverridingMethodWithoutSuperInvocation) != ProblemSeverities.Ignore) {
final ReferenceContext referenceContext = scope.methodScope().referenceContext;
if (referenceContext instanceof AbstractMethodDeclaration) {
final AbstractMethodDeclaration abstractMethodDeclaration = (AbstractMethodDeclaration) referenceContext;
MethodBinding enclosingMethodBinding = abstractMethodDeclaration.binding;
if (enclosingMethodBinding.isOverriding()
&& CharOperation.equals(this.binding.selector, enclosingMethodBinding.selector)
&& this.binding.areParametersEqual(enclosingMethodBinding)) {
abstractMethodDeclaration.bits |= ASTNode.OverridingMethodWithSupercall;
}
}
}
return this.resolvedType;
}
public void setActualReceiverType(ReferenceBinding receiverType) {
if (receiverType == null) return; // error scenario only
this.actualReceiverType = receiverType;
}
public void setDepth(int depth) {
this.bits &= ~ASTNode.DepthMASK; // flush previous depth if any
if (depth > 0) {
this.bits |= (depth & 0xFF) << ASTNode.DepthSHIFT; // encoded on 8 bits
}
}
/**
* @see org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression#setExpectedType(org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding)
*/
public void setExpectedType(TypeBinding expectedType) {
this.expectedType = expectedType;
}
public void setFieldIndex(int depth) {
// ignore for here
}
public void traverse(ASTVisitor visitor, BlockScope blockScope) {
if (visitor.visit(this, blockScope)) {
this.receiver.traverse(visitor, blockScope);
if (this.typeArguments != null) {
for (int i = 0, typeArgumentsLength = this.typeArguments.length; i < typeArgumentsLength; i++) {
this.typeArguments[i].traverse(visitor, blockScope);
}
}
if (this.arguments != null) {
int argumentsLength = this.arguments.length;
for (int i = 0; i < argumentsLength; i++)
this.arguments[i].traverse(visitor, blockScope);
}
}
visitor.endVisit(this, blockScope);
}
// AspectJ Extension
protected void resolveMethodBinding(
BlockScope scope,
TypeBinding[] argumentTypes) {
this.binding = this.codegenBinding =
receiver.isImplicitThis()
? scope.getImplicitMethod(selector, argumentTypes, this)
: scope.getMethod(this.actualReceiverType, selector, argumentTypes, this);
}
// End AspectJ Extension
}