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AjConstructorDeclaration.java

/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation 
 *******************************************************************************/
package org.aspectj.ajdt.internal.compiler.ast;

import java.util.ArrayList;
import java.util.List;

import org.aspectj.weaver.AjAttribute;
import org.aspectj.org.eclipse.jdt.internal.compiler.ClassFile;
import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;

/**
 * Root class for all ConstructorDeclaration objects created by the parser.
 * Enables us to generate extra attributes in the method_info attribute
 * to support aspectj.
 */
00027 public class AjConstructorDeclaration extends ConstructorDeclaration {

      /**
       * @param compilationResult
       */
00032       public AjConstructorDeclaration(CompilationResult compilationResult) {
            super(compilationResult);
      }

      /* (non-Javadoc)
       * @see org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration#generateInfoAttributes(org.eclipse.jdt.internal.compiler.ClassFile)
       */
      protected int generateInfoAttributes(ClassFile classFile) {
            // add extra attributes into list then call 2-arg version of generateInfoAttributes...
            List extras = new ArrayList();
            addDeclarationStartLineAttribute(extras,classFile);
            return classFile.generateMethodInfoAttribute(binding,false,extras);
      }
      
      protected void addDeclarationStartLineAttribute(List extraAttributeList, ClassFile classFile) {
            if ((classFile.codeStream.generateAttributes & ClassFileConstants.ATTR_LINES)==0) return;
            
            int[] separators = compilationResult().lineSeparatorPositions;
            int declarationStartLine = 1;
            for (int i = 0; i < separators.length; i++) {
                  if (sourceStart < separators[i]) break;
                  declarationStartLine++;
            }
            
            extraAttributeList.add(
                        new EclipseAttributeAdapter(new AjAttribute.MethodDeclarationLineNumberAttribute(declarationStartLine, this.sourceStart())));
      }
}

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