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/*******************************************************************************
* Copyright (c) 2000, 2019 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
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.lookup.*;
import org.eclipse.jdt.internal.compiler.problem.AbortCompilation;
public class QualifiedTypeReference extends TypeReference {
public char[][] tokens;
public long[] sourcePositions;
public QualifiedTypeReference(char[][] sources , long[] poss) {
this.tokens = sources ;
this.sourcePositions = poss ;
this.sourceStart = (int) (this.sourcePositions[0]>>>32) ;
this.sourceEnd = (int)(this.sourcePositions[this.sourcePositions.length-1] & 0x00000000FFFFFFFFL ) ;
}
@Override
public TypeReference augmentTypeWithAdditionalDimensions(int additionalDimensions, Annotation[][] additionalAnnotations, boolean isVarargs) {
int totalDimensions = this.dimensions() + additionalDimensions;
Annotation [][] allAnnotations = getMergedAnnotationsOnDimensions(additionalDimensions, additionalAnnotations);
ArrayQualifiedTypeReference arrayQualifiedTypeReference = new ArrayQualifiedTypeReference(this.tokens, totalDimensions, allAnnotations, this.sourcePositions);
arrayQualifiedTypeReference.annotations = this.annotations;
arrayQualifiedTypeReference.bits |= (this.bits & ASTNode.HasTypeAnnotations);
if (!isVarargs)
arrayQualifiedTypeReference.extendedDimensions = additionalDimensions;
return arrayQualifiedTypeReference;
}
protected TypeBinding findNextTypeBinding(int tokenIndex, Scope scope, PackageBinding packageBinding) {
LookupEnvironment env = scope.environment();
try {
env.missingClassFileLocation = this;
if (this.resolvedType == null) {
this.resolvedType = scope.getType(this.tokens[tokenIndex], packageBinding);
} else {
this.resolvedType = scope.getMemberType(this.tokens[tokenIndex], (ReferenceBinding) this.resolvedType);
if (!this.resolvedType.isValidBinding()) {
this.resolvedType = new ProblemReferenceBinding(
CharOperation.subarray(this.tokens, 0, tokenIndex + 1),
(ReferenceBinding)this.resolvedType.closestMatch(),
this.resolvedType.problemId());
}
}
return this.resolvedType;
} catch (AbortCompilation e) {
e.updateContext(this, scope.referenceCompilationUnit().compilationResult);
throw e;
} finally {
env.missingClassFileLocation = null;
}
}
@Override
public char[] getLastToken() {
return this.tokens[this.tokens.length-1];
}
protected void rejectAnnotationsOnPackageQualifiers(Scope scope, PackageBinding packageBinding) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=390882
if (packageBinding == null || this.annotations == null) return;
int i = packageBinding.compoundName.length;
for (int j = 0; j < i; j++) {
Annotation[] qualifierAnnot = this.annotations[j];
if (qualifierAnnot != null && qualifierAnnot.length > 0) {
if (j == 0) {
for (int k = 0; k < qualifierAnnot.length; k++) {
scope.problemReporter().typeAnnotationAtQualifiedName(qualifierAnnot[k]);
}
} else {
scope.problemReporter().misplacedTypeAnnotations(qualifierAnnot[0],
qualifierAnnot[qualifierAnnot.length - 1]);
this.annotations[j] = null;
}
}
}
}
protected static void rejectAnnotationsOnStaticMemberQualififer(Scope scope, ReferenceBinding currentType, Annotation[] qualifierAnnot) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=385137
if (currentType.isMemberType() && currentType.isStatic() && qualifierAnnot != null && qualifierAnnot.length > 0) {
scope.problemReporter().illegalTypeAnnotationsInStaticMemberAccess(qualifierAnnot[0],
qualifierAnnot[qualifierAnnot.length - 1]);
}
}
@Override
protected TypeBinding getTypeBinding(Scope scope) {
if (this.resolvedType != null) {
return this.resolvedType;
}
Binding binding = scope.getPackage(this.tokens);
if (binding != null && !binding.isValidBinding()) {
if (binding instanceof ProblemReferenceBinding && binding.problemId() == ProblemReasons.NotFound) {
ProblemReferenceBinding problemBinding = (ProblemReferenceBinding) binding;
Binding pkg = scope.getTypeOrPackage(this.tokens);
return new ProblemReferenceBinding(problemBinding.compoundName, pkg instanceof PackageBinding ? null : scope.environment().createMissingType(null, this.tokens), ProblemReasons.NotFound);
}
return (ReferenceBinding) binding; // not found
}
PackageBinding packageBinding = binding == null ? null : (PackageBinding) binding;
int typeStart = packageBinding == null ? 0 : packageBinding.compoundName.length;
if (packageBinding != null) {
PackageBinding uniquePackage = packageBinding.getVisibleFor(scope.module(), false);
if (uniquePackage instanceof SplitPackageBinding) {
SplitPackageBinding splitPackage = (SplitPackageBinding) uniquePackage;
scope.problemReporter().conflictingPackagesFromModules(splitPackage, scope.module(), this.sourceStart, (int)this.sourcePositions[typeStart-1]);
this.resolvedType = new ProblemReferenceBinding(this.tokens, null, ProblemReasons.Ambiguous);
return null;
}
}
rejectAnnotationsOnPackageQualifiers(scope, packageBinding);
boolean isClassScope = scope.kind == Scope.CLASS_SCOPE;
ReferenceBinding qualifiedType = null;
for (int i = typeStart, max = this.tokens.length, last = max-1; i < max; i++) {
findNextTypeBinding(i, scope, packageBinding);
if (!this.resolvedType.isValidBinding())
return this.resolvedType;
if (i == 0 && this.resolvedType.isTypeVariable() && ((TypeVariableBinding) this.resolvedType).firstBound == null) { // cannot select from a type variable
scope.problemReporter().illegalAccessFromTypeVariable((TypeVariableBinding) this.resolvedType, this);
return null;
}
if (i <= last && isTypeUseDeprecated(this.resolvedType, scope)) {
reportDeprecatedType(this.resolvedType, scope, i);
}
if (isClassScope)
if (((ClassScope) scope).detectHierarchyCycle(this.resolvedType, this)) // must connect hierarchy to find inherited member types
return null;
ReferenceBinding currentType = (ReferenceBinding) this.resolvedType;
if (qualifiedType != null) {
if (this.annotations != null) {
rejectAnnotationsOnStaticMemberQualififer(scope, currentType, this.annotations[i-1]);
}
ReferenceBinding enclosingType = currentType.enclosingType();
if (enclosingType != null && TypeBinding.notEquals(enclosingType.erasure(), qualifiedType.erasure())) {
qualifiedType = enclosingType; // inherited member type, leave it associated with its enclosing rather than subtype
}
if (currentType.isGenericType()) {
qualifiedType = scope.environment().createRawType(currentType, qualifiedType);
} else if (!currentType.hasEnclosingInstanceContext()) {
qualifiedType = currentType; // parameterization of enclosing is irrelevant in this case
} else {
boolean rawQualified = qualifiedType.isRawType();
if (rawQualified) {
qualifiedType = scope.environment().createRawType((ReferenceBinding)currentType.erasure(), qualifiedType);
} else if (qualifiedType.isParameterizedType() && TypeBinding.equalsEquals(qualifiedType.erasure(), currentType.enclosingType().erasure())) {
qualifiedType = scope.environment().createParameterizedType((ReferenceBinding)currentType.erasure(), null, qualifiedType);
} else {
qualifiedType = currentType;
}
}
} else {
qualifiedType = currentType.isGenericType() ? (ReferenceBinding)scope.environment().convertToRawType(currentType, false /*do not force conversion of enclosing types*/) : currentType;
}
recordResolution(scope.environment(), qualifiedType);
}
this.resolvedType = qualifiedType;
return this.resolvedType;
}
void recordResolution(LookupEnvironment env, TypeBinding typeFound) {
if (typeFound != null && typeFound.isValidBinding()) {
synchronized (env.root) {
for (int i = 0; i < env.root.resolutionListeners.length; i++) {
env.root.resolutionListeners[i].recordResolution(this, typeFound);
}
}
}
}
@Override
public char[][] getTypeName(){
return this.tokens;
}
@Override
public StringBuffer printExpression(int indent, StringBuffer output) {
for (int i = 0; i < this.tokens.length; i++) {
if (i > 0) output.append('.');
if (this.annotations != null && this.annotations[i] != null) {
printAnnotations(this.annotations[i], output);
output.append(' ');
}
output.append(this.tokens[i]);
}
return output;
}
@Override
public void traverse(ASTVisitor visitor, BlockScope scope) {
if (visitor.visit(this, scope)) {
if (this.annotations != null) {
int annotationsLevels = this.annotations.length;
for (int i = 0; i < annotationsLevels; i++) {
int annotationsLength = this.annotations[i] == null ? 0 : this.annotations[i].length;
for (int j = 0; j < annotationsLength; j++)
this.annotations[i][j].traverse(visitor, scope);
}
}
}
visitor.endVisit(this, scope);
}
@Override
public void traverse(ASTVisitor visitor, ClassScope scope) {
if (visitor.visit(this, scope)) {
if (this.annotations != null) {
int annotationsLevels = this.annotations.length;
for (int i = 0; i < annotationsLevels; i++) {
int annotationsLength = this.annotations[i] == null ? 0 : this.annotations[i].length;
for (int j = 0; j < annotationsLength; j++)
this.annotations[i][j].traverse(visitor, scope);
}
}
}
visitor.endVisit(this, scope);
}
@Override
public int getAnnotatableLevels() {
return this.tokens.length;
}
}
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