src/org/eclipse/jdt/internal/compiler/ast/JavadocReturnStatement.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.compiler.ast;
  12
  13 import org.eclipse.jdt.internal.compiler.ASTVisitor;
  14 import org.eclipse.jdt.internal.compiler.lookup.*;
  15
  16
  17 public class JavadocReturnStatement extends ReturnStatement {
  18         public char[] description;
  19         public boolean empty = true;
  20
  21         public JavadocReturnStatement(int s, int e, char[] descr) {
  22                 super(null, s, e);
  23                 this.description = descr;
  24                 this.bits |= InsideJavadoc;
  25         }
  26
  27         /* (non-Javadoc)
  28          * @see org.eclipse.jdt.internal.compiler.ast.Statement#resolve(org.eclipse.jdt.internal.compiler.lookup.BlockScope)
  29          */
  30         public void resolve(BlockScope scope) {
  31                 MethodScope methodScope = scope.methodScope();
  32                 MethodBinding methodBinding = null;
  33                 TypeBinding methodType =
  34                         (methodScope.referenceContext instanceof AbstractMethodDeclaration)
  35                                 ? ((methodBinding = ((AbstractMethodDeclaration) methodScope.referenceContext).binding) == null
  36                                         ? null
  37                                         : methodBinding.returnType)
  38                                 : VoidBinding;
  39                 if (methodType == null || methodType == VoidBinding) {
  40                         scope.problemReporter().javadocUnexpectedTag(this.sourceStart, this.sourceEnd);
  41                 } else if (this.empty) {
  42                         scope.problemReporter().javadocEmptyReturnTag(this.sourceStart, this.sourceEnd);
  43                 }
  44         }
  45
  46         /* (non-Javadoc)
  47          * @see org.eclipse.jdt.internal.compiler.ast.Statement#printStatement(int, java.lang.StringBuffer)
  48          */
  49         public StringBuffer printStatement(int tab, StringBuffer output) {
  50                 printIndent(tab, output).append("return"); //$NON-NLS-1$
  51                 if (description != null )
  52                         output.append(' ').append(description);
  53                 return output;
  54         }
  55
  56         /* (non-Javadoc)
  57          * Redefine to capture javadoc specific signatures
  58          * @see org.eclipse.jdt.internal.compiler.ast.ASTNode#traverse(org.eclipse.jdt.internal.compiler.ASTVisitor, org.eclipse.jdt.internal.compiler.lookup.BlockScope)
  59          */
  60         public void traverse(ASTVisitor visitor, BlockScope scope) {
  61                 visitor.visit(this, scope);
  62                 visitor.endVisit(this, scope);
  63         }
  64 }