| /******************************************************************************* |
| * Copyright (c) 2004, 2015 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 466279 - [hovering] IAE on hover when annotation-based null analysis is enabled |
| *******************************************************************************/ |
| package org.aspectj.org.eclipse.jdt.internal.core; |
| |
| import org.aspectj.org.eclipse.jdt.core.*; |
| import org.aspectj.org.eclipse.jdt.core.compiler.CharOperation; |
| |
| public class TypeParameter extends SourceRefElement implements ITypeParameter { |
| |
| static final ITypeParameter[] NO_TYPE_PARAMETERS = new ITypeParameter[0]; |
| |
| protected String name; |
| |
| public TypeParameter(JavaElement parent, String name) { |
| super(parent); |
| this.name = name; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof TypeParameter)) return false; |
| return super.equals(o); |
| } |
| |
| @Override |
| public String[] getBounds() throws JavaModelException { |
| TypeParameterElementInfo info = (TypeParameterElementInfo) getElementInfo(); |
| return CharOperation.toStrings(info.bounds); |
| } |
| |
| @Override |
| public String[] getBoundsSignatures() throws JavaModelException { |
| |
| String[] boundSignatures = null; |
| TypeParameterElementInfo info = (TypeParameterElementInfo) this.getElementInfo(); |
| |
| // For a binary type or method, the signature is already available from the .class file. |
| // No need to construct again |
| if (this.parent instanceof BinaryMember) { |
| char[][] boundsSignatures = info.boundsSignatures; |
| if (boundsSignatures == null || boundsSignatures.length == 0) { |
| return CharOperation.NO_STRINGS; |
| } |
| return CharOperation.toStrings(info.boundsSignatures); |
| } |
| |
| char[][] bounds = info.bounds; |
| if (bounds == null || bounds.length == 0) { |
| return CharOperation.NO_STRINGS; |
| } |
| |
| int boundsLength = bounds.length; |
| boundSignatures = new String[boundsLength]; |
| for (int i = 0; i < boundsLength; i++) { |
| boundSignatures[i] = new String(Signature.createCharArrayTypeSignature(bounds[i], false)); |
| } |
| return boundSignatures; |
| } |
| |
| @Override |
| public IMember getDeclaringMember() { |
| return (IMember) getParent(); |
| } |
| |
| @Override |
| public String getElementName() { |
| return this.name; |
| } |
| |
| @Override |
| public int getElementType() { |
| return TYPE_PARAMETER; |
| } |
| |
| @Override |
| protected char getHandleMementoDelimiter() { |
| return JavaElement.JEM_TYPE_PARAMETER; |
| } |
| |
| public String getKey(boolean forceOpen) throws JavaModelException { |
| StringBuilder buf = new StringBuilder(); |
| if (this.parent instanceof IType) { |
| if (this.parent instanceof BinaryType) |
| buf.append(((BinaryType) this.parent).getKey(forceOpen)); |
| else |
| buf.append(((IType) this.parent).getKey()); |
| } else if (this.parent instanceof IMember) { |
| if (this.parent instanceof BinaryMember) |
| buf.append(((BinaryMember) this.parent).getKey(forceOpen)); |
| else |
| buf.append(((IMethod) this.parent).getKey()); |
| } |
| buf.append(":T"); //$NON-NLS-1$ |
| buf.append(this.name); |
| buf.append(';'); |
| return buf.toString(); |
| } |
| |
| @Override |
| public ISourceRange getNameRange() throws JavaModelException { |
| SourceMapper mapper= getSourceMapper(); |
| if (mapper != null) { |
| // ensure the class file's buffer is open so that source ranges are computed |
| IClassFile classFile = getClassFile(); |
| if (classFile != null) { |
| classFile.getBuffer(); |
| return mapper.getNameRange(this); |
| } |
| } |
| TypeParameterElementInfo info = (TypeParameterElementInfo) getElementInfo(); |
| return new SourceRange(info.nameStart, info.nameEnd - info.nameStart + 1); |
| } |
| |
| /* |
| * @see ISourceReference |
| */ |
| @Override |
| public ISourceRange getSourceRange() throws JavaModelException { |
| SourceMapper mapper= getSourceMapper(); |
| if (mapper != null) { |
| // ensure the class file's buffer is open so that source ranges are computed |
| IClassFile classFile = getClassFile(); |
| if (classFile != null) { |
| classFile.getBuffer(); |
| return mapper.getSourceRange(this); |
| } |
| } |
| return super.getSourceRange(); |
| } |
| |
| @Override |
| public IClassFile getClassFile() { |
| return ((JavaElement)getParent()).getClassFile(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * @since 3.7 |
| */ |
| @Override |
| public ITypeRoot getTypeRoot() { |
| return this.getDeclaringMember().getTypeRoot(); |
| } |
| |
| @Override |
| protected void toStringName(StringBuffer buffer) { |
| buffer.append('<'); |
| buffer.append(getElementName()); |
| buffer.append('>'); |
| } |
| } |