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/*
* Copyright (C) 2009-2012 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.eclipse;
import java.util.List;
import lombok.core.AST.Kind;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.Argument;
import org.eclipse.jdt.internal.compiler.ast.Clinit;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Initializer;
import org.eclipse.jdt.internal.compiler.ast.LocalDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Statement;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
/**
* Eclipse specific version of the LombokNode class.
*/
public class EclipseNode extends lombok.core.LombokNode<EclipseAST, EclipseNode, ASTNode> {
/** {@inheritDoc} */
EclipseNode(EclipseAST ast, ASTNode node, List<EclipseNode> children, Kind kind) {
super(ast, node, children, kind);
}
/**
* Visits this node and all child nodes depth-first, calling the provided visitor's visit methods.
*/
public void traverse(EclipseASTVisitor visitor) {
if (!this.isCompleteParse() && visitor.getClass().isAnnotationPresent(DeferUntilPostDiet.class)) return;
switch (getKind()) {
case COMPILATION_UNIT:
visitor.visitCompilationUnit(this, (CompilationUnitDeclaration)get());
ast.traverseChildren(visitor, this);
visitor.endVisitCompilationUnit(this, (CompilationUnitDeclaration)get());
break;
case TYPE:
visitor.visitType(this, (TypeDeclaration)get());
ast.traverseChildren(visitor, this);
visitor.endVisitType(this, (TypeDeclaration)get());
break;
case FIELD:
visitor.visitField(this, (FieldDeclaration)get());
ast.traverseChildren(visitor, this);
visitor.endVisitField(this, (FieldDeclaration)get());
break;
case INITIALIZER:
visitor.visitInitializer(this, (Initializer)get());
ast.traverseChildren(visitor, this);
visitor.endVisitInitializer(this, (Initializer)get());
break;
case METHOD:
if (get() instanceof Clinit) return;
visitor.visitMethod(this, (AbstractMethodDeclaration)get());
ast.traverseChildren(visitor, this);
visitor.endVisitMethod(this, (AbstractMethodDeclaration)get());
break;
case ARGUMENT:
AbstractMethodDeclaration method = (AbstractMethodDeclaration)up().get();
visitor.visitMethodArgument(this, (Argument)get(), method);
ast.traverseChildren(visitor, this);
visitor.endVisitMethodArgument(this, (Argument)get(), method);
break;
case LOCAL:
visitor.visitLocal(this, (LocalDeclaration)get());
ast.traverseChildren(visitor, this);
visitor.endVisitLocal(this, (LocalDeclaration)get());
break;
case ANNOTATION:
switch (up().getKind()) {
case TYPE:
visitor.visitAnnotationOnType((TypeDeclaration)up().get(), this, (Annotation)get());
break;
case FIELD:
visitor.visitAnnotationOnField((FieldDeclaration)up().get(), this, (Annotation)get());
break;
case METHOD:
visitor.visitAnnotationOnMethod((AbstractMethodDeclaration)up().get(), this, (Annotation)get());
break;
case ARGUMENT:
visitor.visitAnnotationOnMethodArgument(
(Argument)parent.get(),
(AbstractMethodDeclaration)parent.directUp().get(),
this, (Annotation)get());
break;
case LOCAL:
visitor.visitAnnotationOnLocal((LocalDeclaration)parent.get(), this, (Annotation)get());
break;
default:
throw new AssertionError("Annotation not expected as child of a " + up().getKind());
}
break;
case STATEMENT:
visitor.visitStatement(this, (Statement)get());
ast.traverseChildren(visitor, this);
visitor.endVisitStatement(this, (Statement)get());
break;
default:
throw new AssertionError("Unexpected kind during node traversal: " + getKind());
}
}
@Override protected boolean fieldContainsAnnotation(ASTNode field, ASTNode annotation) {
if (!(field instanceof FieldDeclaration)) return false;
FieldDeclaration f = (FieldDeclaration) field;
if (f.annotations == null) return false;
for (Annotation childAnnotation : f.annotations) {
if (childAnnotation == annotation) return true;
}
return false;
}
/** {@inheritDoc} */
@Override public String getName() {
final char[] n;
if (node instanceof TypeDeclaration) n = ((TypeDeclaration)node).name;
else if (node instanceof FieldDeclaration) n = ((FieldDeclaration)node).name;
else if (node instanceof AbstractMethodDeclaration) n = ((AbstractMethodDeclaration)node).selector;
else if (node instanceof LocalDeclaration) n = ((LocalDeclaration)node).name;
else n = null;
return n == null ? null : new String(n);
}
/** {@inheritDoc} */
@Override public void addError(String message) {
this.addError(message, this.get().sourceStart, this.get().sourceEnd);
}
/** Generate a compiler error that shows the wavy underline from-to the stated character positions. */
public void addError(String message, int sourceStart, int sourceEnd) {
ast.addProblem(ast.new ParseProblem(false, message, sourceStart, sourceEnd));
}
/** {@inheritDoc} */
@Override public void addWarning(String message) {
this.addWarning(message, this.get().sourceStart, this.get().sourceEnd);
}
/** Generate a compiler warning that shows the wavy underline from-to the stated character positions. */
public void addWarning(String message, int sourceStart, int sourceEnd) {
ast.addProblem(ast.new ParseProblem(true, message, sourceStart, sourceEnd));
}
/** {@inheritDoc} */
@Override protected boolean calculateIsStructurallySignificant(ASTNode parent) {
if (node instanceof TypeDeclaration) return true;
if (node instanceof AbstractMethodDeclaration) return true;
if (node instanceof FieldDeclaration) return true;
if (node instanceof LocalDeclaration) return true;
if (node instanceof CompilationUnitDeclaration) return true;
return false;
}
/**
* Convenient shortcut to the owning EclipseAST object's isCompleteParse method.
*
* @see EclipseAST#isCompleteParse()
*/
public boolean isCompleteParse() {
return ast.isCompleteParse();
}
}
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