source.dussan.org Git - aspectj.git/blob

   1 /*******************************************************************************
   2  * Copyright (c) 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v 2.0
   5  * which accompanies this distribution, and is available at
   6  * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
   7  *
   8  * Contributors:
   9  *     IBM Corporation
  10  *******************************************************************************/
  11 package org.aspectj.ajdt.internal.compiler.ast;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 import org.aspectj.weaver.AjAttribute;
  17 import org.aspectj.org.eclipse.jdt.internal.compiler.ClassFile;
  18 import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
  19 import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
  20 import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
  21
  22 /**
  23  * Root class for all ConstructorDeclaration objects created by the parser.
  24  * Enables us to generate extra attributes in the method_info attribute
  25  * to support aspectj.
  26  */
  27 public class AjConstructorDeclaration extends ConstructorDeclaration {
  28
  29         /**
  30          * @param compilationResult
  31          */
  32         public AjConstructorDeclaration(CompilationResult compilationResult) {
  33                 super(compilationResult);
  34         }
  35
  36         /* (non-Javadoc)
  37          * @see org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration#generateInfoAttributes(org.eclipse.jdt.internal.compiler.ClassFile)
  38          */
  39         protected int generateInfoAttributes(ClassFile classFile) {
  40                 // add extra attributes into list then call 2-arg version of generateInfoAttributes...
  41                 List extras = new ArrayList();
  42                 addDeclarationStartLineAttribute(extras,classFile);
  43                 return classFile.generateMethodInfoAttributes(binding,extras);
  44         }
  45
  46         protected void addDeclarationStartLineAttribute(List extraAttributeList, ClassFile classFile) {
  47                 if ((classFile.codeStream.generateAttributes & ClassFileConstants.ATTR_LINES)==0) return;
  48
  49                 int[] separators = compilationResult().lineSeparatorPositions;
  50                 int declarationStartLine = 1;
  51                 for (int separator : separators) {
  52                         if (sourceStart < separator) break;
  53                         declarationStartLine++;
  54                 }
  55
  56                 extraAttributeList.add(
  57                                 new EclipseAttributeAdapter(new AjAttribute.MethodDeclarationLineNumberAttribute(declarationStartLine, this.sourceStart())));
  58         }
  59 }