org.eclipse.jdt.internal.compiler.ast.SingleTypeReference Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ecj Show documentation
Show all versions of ecj Show documentation
Eclipse Compiler for Java(TM)
/*******************************************************************************
* Copyright (c) 2000, 2012 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
* Stephan Herrmann - Contribution for
* Bug 392238 - [1.8][compiler][null] Detect semantically invalid null type annotations
* Bug 429958 - [1.8][null] evaluate new DefaultLocation attribute of @NonNullByDefault
*******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;
import org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.lookup.*;
import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
public class SingleTypeReference extends TypeReference {
public char[] token;
public SingleTypeReference(char[] source, long pos) {
this.token = source;
this.sourceStart = (int) (pos>>>32) ;
this.sourceEnd = (int) (pos & 0x00000000FFFFFFFFL) ;
}
@Override
public TypeReference augmentTypeWithAdditionalDimensions(int additionalDimensions, Annotation[][] additionalAnnotations, boolean isVarargs) {
int totalDimensions = this.dimensions() + additionalDimensions;
Annotation [][] allAnnotations = getMergedAnnotationsOnDimensions(additionalDimensions, additionalAnnotations);
ArrayTypeReference arrayTypeReference = new ArrayTypeReference(this.token, totalDimensions, allAnnotations, (((long) this.sourceStart) << 32) + this.sourceEnd);
arrayTypeReference.annotations = this.annotations;
arrayTypeReference.bits |= (this.bits & ASTNode.HasTypeAnnotations);
if (!isVarargs)
arrayTypeReference.extendedDimensions = additionalDimensions;
return arrayTypeReference;
}
@Override
public char[] getLastToken() {
return this.token;
}
@Override
protected TypeBinding getTypeBinding(Scope scope) {
if (this.resolvedType != null)
return this.resolvedType;
this.resolvedType = scope.getType(this.token);
if (this.resolvedType instanceof TypeVariableBinding) {
TypeVariableBinding typeVariable = (TypeVariableBinding) this.resolvedType;
if (typeVariable.declaringElement instanceof SourceTypeBinding) {
scope.tagAsAccessingEnclosingInstanceStateOf((ReferenceBinding) typeVariable.declaringElement, true /* type variable access */);
}
} else if (this.resolvedType instanceof LocalTypeBinding) {
LocalTypeBinding localType = (LocalTypeBinding) this.resolvedType;
MethodScope methodScope = scope.methodScope();
if (methodScope != null && !methodScope.isStatic) {
methodScope.tagAsAccessingEnclosingInstanceStateOf(localType, false /* ! type variable access */);
}
}
if (scope.kind == Scope.CLASS_SCOPE && this.resolvedType.isValidBinding())
if (((ClassScope) scope).detectHierarchyCycle(this.resolvedType, this))
return null;
return this.resolvedType;
}
@Override
public char [][] getTypeName() {
return new char[][] { this.token };
}
@Override
public boolean isBaseTypeReference() {
return this.token == BYTE ||
this.token == SHORT ||
this.token == INT ||
this.token == LONG ||
this.token == FLOAT ||
this.token == DOUBLE ||
this.token == CHAR ||
this.token == BOOLEAN ||
this.token == NULL ||
this.token == VOID;
}
@Override
public StringBuffer printExpression(int indent, StringBuffer output){
if (this.annotations != null && this.annotations[0] != null) {
printAnnotations(this.annotations[0], output);
output.append(' ');
}
return output.append(this.token);
}
public TypeBinding resolveTypeEnclosing(BlockScope scope, ReferenceBinding enclosingType) {
this.resolvedType = scope.getMemberType(this.token, enclosingType);
boolean hasError = false;
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=391500
resolveAnnotations(scope, 0); // defaultNullness not relevant, the only caller within the compiler: QAE
TypeBinding memberType = this.resolvedType; // load after possible update in resolveAnnotations()
if (!memberType.isValidBinding()) {
hasError = true;
scope.problemReporter().invalidEnclosingType(this, memberType, enclosingType);
memberType = ((ReferenceBinding)memberType).closestMatch();
if (memberType == null) {
return null;
}
}
if (isTypeUseDeprecated(memberType, scope))
reportDeprecatedType(memberType, scope);
memberType = scope.environment().convertToRawType(memberType, false /*do not force conversion of enclosing types*/);
if (memberType.isRawType()
&& (this.bits & IgnoreRawTypeCheck) == 0
&& scope.compilerOptions().getSeverity(CompilerOptions.RawTypeReference) != ProblemSeverities.Ignore){
scope.problemReporter().rawTypeReference(this, memberType);
}
if (hasError) {
// do not store the computed type, keep the problem type instead
return memberType;
}
return this.resolvedType = memberType;
}
@Override
public void traverse(ASTVisitor visitor, BlockScope scope) {
if (visitor.visit(this, scope)) {
if (this.annotations != null) {
Annotation [] typeAnnotations = this.annotations[0];
for (int i = 0, length = typeAnnotations == null ? 0 : typeAnnotations.length; i < length; i++)
typeAnnotations[i].traverse(visitor, scope);
}
}
visitor.endVisit(this, scope);
}
@Override
public void traverse(ASTVisitor visitor, ClassScope scope) {
if (visitor.visit(this, scope)) {
if (this.annotations != null) {
Annotation [] typeAnnotations = this.annotations[0];
for (int i = 0, length = typeAnnotations == null ? 0 : typeAnnotations.length; i < length; i++)
typeAnnotations[i].traverse(visitor, scope);
}
}
visitor.endVisit(this, scope);
}
}