Package org.aspectj.ajdt.internal.compiler.problem

Source Code of org.aspectj.ajdt.internal.compiler.problem.AjProblemReporter$PinpointedProblem

/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* 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:
*     PARC     initial implementation
* ******************************************************************/

package org.aspectj.ajdt.internal.compiler.problem;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.aspectj.ajdt.internal.compiler.ast.AspectDeclaration;
import org.aspectj.ajdt.internal.compiler.ast.DeclareAnnotationDeclaration;
import org.aspectj.ajdt.internal.compiler.ast.PointcutDeclaration;
import org.aspectj.ajdt.internal.compiler.ast.Proceed;
import org.aspectj.ajdt.internal.compiler.lookup.EclipseFactory;
import org.aspectj.ajdt.internal.compiler.lookup.InterTypeMethodBinding;
import org.aspectj.ajdt.internal.compiler.lookup.PrivilegedFieldBinding;
import org.aspectj.bridge.context.CompilationAndWeavingContext;
import org.aspectj.org.eclipse.jdt.core.compiler.CharOperation;
import org.aspectj.org.eclipse.jdt.core.compiler.IProblem;
import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
import org.aspectj.org.eclipse.jdt.internal.compiler.IErrorHandlingPolicy;
import org.aspectj.org.eclipse.jdt.internal.compiler.IProblemFactory;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Argument;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ExplicitConstructorCall;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.LocalDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.ReferenceContext;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ArrayBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.IPrivilegedHandler;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ParameterizedMethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TagBits;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
import org.aspectj.org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.AjcMemberMaker;
import org.aspectj.weaver.ConcreteTypeMunger;
import org.aspectj.weaver.ReferenceType;
import org.aspectj.weaver.ResolvedMember;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.Shadow;
import org.aspectj.weaver.UnresolvedType;
import org.aspectj.weaver.patterns.DeclareAnnotation;
import org.aspectj.weaver.patterns.DeclareParents;
import org.aspectj.weaver.patterns.DeclareSoft;
import org.aspectj.weaver.patterns.TypePattern;

/**
* Extends problem reporter to support compiler-side implementation of declare soft. Also overrides error reporting for the need to
* implement abstract methods to account for inter-type declarations and pointcut declarations. This second job might be better done
* directly in the SourceTypeBinding/ClassScope classes.
*
* @author Jim Hugunin
*/
public class AjProblemReporter extends ProblemReporter {

  private static final boolean DUMP_STACK = false;

  public EclipseFactory factory;

  public AjProblemReporter(IErrorHandlingPolicy policy, CompilerOptions options, IProblemFactory problemFactory) {
    super(policy, options, problemFactory);
  }

  public void unhandledException(TypeBinding exceptionType, ASTNode location) {
    if (!factory.getWorld().getDeclareSoft().isEmpty()) {
      Shadow callSite = factory.makeShadow(location, referenceContext);
      Shadow enclosingExec = factory.makeShadow(referenceContext);
      // PR 72157 - calls to super / this within a constructor are not part of the cons join point.
      if ((callSite == null) && (enclosingExec.getKind() == Shadow.ConstructorExecution)
          && (location instanceof ExplicitConstructorCall)) {
        super.unhandledException(exceptionType, location);
        return;
      }
      // System.err.println("about to show error for unhandled exception: " + new String(exceptionType.sourceName()) +
      // " at " + location + " in " + referenceContext);

      for (Iterator i = factory.getWorld().getDeclareSoft().iterator(); i.hasNext();) {
        DeclareSoft d = (DeclareSoft) i.next();
        // We need the exceptionType to match the type in the declare soft statement
        // This means it must either be the same type or a subtype
        ResolvedType throwException = factory.fromEclipse((ReferenceBinding) exceptionType);
        FuzzyBoolean isExceptionTypeOrSubtype = d.getException().matchesInstanceof(throwException);
        if (!isExceptionTypeOrSubtype.alwaysTrue())
          continue;

        if (callSite != null) {
          FuzzyBoolean match = d.getPointcut().match(callSite);
          if (match.alwaysTrue()) {
            // System.err.println("matched callSite: " + callSite + " with " + d);
            return;
          } else if (!match.alwaysFalse()) {
            // !!! need this check to happen much sooner
            // throw new RuntimeException("unimplemented, shouldn't have fuzzy match here");
          }
        }
        if (enclosingExec != null) {
          FuzzyBoolean match = d.getPointcut().match(enclosingExec);
          if (match.alwaysTrue()) {
            // System.err.println("matched enclosingExec: " + enclosingExec + " with " + d);
            return;
          } else if (!match.alwaysFalse()) {
            // !!! need this check to happen much sooner
            // throw new RuntimeException("unimplemented, shouldn't have fuzzy match here");
          }
        }
      }
    }

    // ??? is this always correct
    if (location instanceof Proceed) {
      return;
    }

    super.unhandledException(exceptionType, location);
  }

  private boolean isPointcutDeclaration(MethodBinding binding) {
    return CharOperation.prefixEquals(PointcutDeclaration.mangledPrefix, binding.selector);
  }

  private boolean isIntertypeDeclaration(MethodBinding binding) {
    return (binding instanceof InterTypeMethodBinding);
  }

  public void abstractMethodCannotBeOverridden(SourceTypeBinding type, MethodBinding concreteMethod) {
    if (isPointcutDeclaration(concreteMethod)) {
      return;
    }
    super.abstractMethodCannotBeOverridden(type, concreteMethod);
  }

  public void inheritedMethodReducesVisibility(SourceTypeBinding type, MethodBinding concreteMethod,
      MethodBinding[] abstractMethods) {
    // if we implemented this method by a public inter-type declaration, then there is no error

    ResolvedType onTypeX = null;
    // If the type is anonymous, look at its supertype
    if (!type.isAnonymousType()) {
      onTypeX = factory.fromEclipse(type);
    } else {
      // Hmmm. If the ITD is on an interface that is being 'instantiated' using an anonymous type,
      // we sort it out elsewhere and don't come into this method -
      // so we don't have to worry about interfaces, just the superclass.
      onTypeX = factory.fromEclipse(type.superclass()); // abstractMethod.declaringClass);
    }
    for (Iterator i = onTypeX.getInterTypeMungersIncludingSupers().iterator(); i.hasNext();) {
      ConcreteTypeMunger m = (ConcreteTypeMunger) i.next();
      ResolvedMember sig = m.getSignature();
      if (!Modifier.isAbstract(sig.getModifiers())) {
        if (ResolvedType.matches(
            AjcMemberMaker.interMethod(sig, m.getAspectType(), sig.getDeclaringType().resolve(factory.getWorld())
                .isInterface()), factory.makeResolvedMember(concreteMethod))) {
          return;
        }
      }
    }

    super.inheritedMethodReducesVisibility(type, concreteMethod, abstractMethods);
  }

  // if either of the MethodBinding is an ITD, we have already reported it.
  public void staticAndInstanceConflict(MethodBinding currentMethod, MethodBinding inheritedMethod) {
    if (currentMethod instanceof InterTypeMethodBinding)
      return;
    if (inheritedMethod instanceof InterTypeMethodBinding)
      return;
    super.staticAndInstanceConflict(currentMethod, inheritedMethod);
  }

  public void abstractMethodMustBeImplemented(SourceTypeBinding type, MethodBinding abstractMethod) {
    // if this is a PointcutDeclaration then there is no error
    if (isPointcutDeclaration(abstractMethod))
      return;

    if (isIntertypeDeclaration(abstractMethod))
      return; // when there is a problem with an ITD not being implemented, it will be reported elsewhere

    if (CharOperation.prefixEquals("ajc$interField".toCharArray(), abstractMethod.selector)) {
      // ??? think through how this could go wrong
      return;
    }

    // if we implemented this method by an inter-type declaration, then there is no error
    // ??? be sure this is always right
    ResolvedType onTypeX = null;

    // If the type is anonymous, look at its supertype
    if (!type.isAnonymousType()) {
      onTypeX = factory.fromEclipse(type);
    } else {
      // Hmmm. If the ITD is on an interface that is being 'instantiated' using an anonymous type,
      // we sort it out elsewhere and don't come into this method -
      // so we don't have to worry about interfaces, just the superclass.
      onTypeX = factory.fromEclipse(type.superclass()); // abstractMethod.declaringClass);
    }

    if (onTypeX.isRawType())
      onTypeX = onTypeX.getGenericType();

    List<ConcreteTypeMunger> mungers = onTypeX.getInterTypeMungersIncludingSupers();
    for (ConcreteTypeMunger m : mungers) {
      ResolvedMember sig = m.getSignature();
      if (sig != null && !Modifier.isAbstract(sig.getModifiers())) {
        ResolvedMember abstractMember = factory.makeResolvedMember(abstractMethod);
        if (abstractMember.getName().startsWith("ajc$interMethodDispatch")) {
          ResolvedType dType = factory.getWorld().resolve(sig.getDeclaringType(), false);
          if (ResolvedType.matches(AjcMemberMaker.interMethod(sig, m.getAspectType(), dType.isInterface()),
              abstractMember)) {
            return;
          }
        } else {
          // In this case we have something like:
          // interface I {}
          // abstract class C implements I { abstract void foo();}
          // class D extends C {}
          // ITD: public void I.foo() {...}
          // The ITD is providing the implementation of foo in the class D but when checking for whether the abstract
          // method is overridden, we won't be looking at whether the ITD overrides ajc$interMethodDispath$...foo but
          // whether it overrides the foo method from class C
          if (ResolvedType.matches(sig, factory.makeResolvedMember(abstractMethod)))
            return;
        }
      }
    }

    super.abstractMethodMustBeImplemented(type, abstractMethod);
  }

  /*
   * (non-Javadoc)
   *
   * @see
   * org.aspectj.org.eclipse.jdt.internal.compiler.problem.ProblemReporter#disallowedTargetForAnnotation(org.aspectj.org.eclipse
   * .jdt.internal.compiler.ast.Annotation)
   */
  public void disallowedTargetForAnnotation(Annotation annotation) {
    // if the annotation's recipient is an ITD, it might be allowed after all...
    if (annotation.recipient instanceof MethodBinding) {
      MethodBinding binding = (MethodBinding) annotation.recipient;
      String name = new String(binding.selector);
      if (name.startsWith("ajc$")) {
        long metaTagBits = annotation.resolvedType.getAnnotationTagBits(); // could be forward reference
        if (name.indexOf("interField") != -1) {
          if ((metaTagBits & TagBits.AnnotationForField) != 0)
            return;
        } else if (name.indexOf("interConstructor") != -1) {
          if ((metaTagBits & TagBits.AnnotationForConstructor) != 0)
            return;
        } else if (name.indexOf("interMethod") != -1) {
          if ((metaTagBits & TagBits.AnnotationForMethod) != 0)
            return;
        } else if (name.indexOf("declare_" + DeclareAnnotation.AT_TYPE + "_") != -1) {
          if ((metaTagBits & TagBits.AnnotationForAnnotationType) != 0 || (metaTagBits & TagBits.AnnotationForType) != 0)
            return;
        } else if (name.indexOf("declare_" + DeclareAnnotation.AT_FIELD + "_") != -1) {
          if ((metaTagBits & TagBits.AnnotationForField) != 0)
            return;
        } else if (name.indexOf("declare_" + DeclareAnnotation.AT_CONSTRUCTOR + "_") != -1) {
          if ((metaTagBits & TagBits.AnnotationForConstructor) != 0)
            return;
        } else if (name.indexOf("declare_eow") != -1) {
          if ((metaTagBits & TagBits.AnnotationForField) != 0)
            return;
        }
      }
    }

    // not our special case, report the problem...
    super.disallowedTargetForAnnotation(annotation);
  }

  public void overridesPackageDefaultMethod(MethodBinding localMethod, MethodBinding inheritedMethod) {
    if (new String(localMethod.selector).startsWith("ajc$"))
      return;
    super.overridesPackageDefaultMethod(localMethod, inheritedMethod);
  }

  public void handle(int problemId, String[] problemArguments, String[] messageArguments, int severity, int problemStartPosition,
      int problemEndPosition, ReferenceContext referenceContext, CompilationResult unitResult) {
    if (severity != ProblemSeverities.Ignore && DUMP_STACK) {
      Thread.dumpStack();
    }
    super.handle(problemId, problemArguments, messageArguments, severity, problemStartPosition, problemEndPosition,
        referenceContext, unitResult);
  }

  // PR71076
  public void javadocMissingParamTag(char[] name, int sourceStart, int sourceEnd, int modifiers) {
    boolean reportIt = true;
    String sName = new String(name);
    if (sName.startsWith("ajc$"))
      reportIt = false;
    if (sName.equals("thisJoinPoint"))
      reportIt = false;
    if (sName.equals("thisJoinPointStaticPart"))
      reportIt = false;
    if (sName.equals("thisEnclosingJoinPointStaticPart"))
      reportIt = false;
    if (sName.equals("ajc_aroundClosure"))
      reportIt = false;
    if (reportIt)
      super.javadocMissingParamTag(name, sourceStart, sourceEnd, modifiers);
  }

  public void abstractMethodInAbstractClass(SourceTypeBinding type, AbstractMethodDeclaration methodDecl) {

    String abstractMethodName = new String(methodDecl.selector);
    if (abstractMethodName.startsWith("ajc$pointcut")) {
      // This will already have been reported, see: PointcutDeclaration.postParse()
      return;
    }
    String[] arguments = new String[] { new String(type.sourceName()), abstractMethodName };
    super.handle(IProblem.AbstractMethodInAbstractClass, arguments, arguments, methodDecl.sourceStart, methodDecl.sourceEnd,
        this.referenceContext, this.referenceContext == null ? null : this.referenceContext.compilationResult());
  }

  /**
   * Called when there is an ITD marked @override that doesn't override a supertypes method. The method and the binding are passed
   * - some information is useful from each. The 'method' knows about source offsets for the message, the 'binding' has the
   * signature of what the ITD is trying to be in the target class.
   */
  public void itdMethodMustOverride(AbstractMethodDeclaration method, MethodBinding binding) {
    this.handle(IProblem.MethodMustOverride,
        new String[] { new String(binding.selector), typesAsString(binding.isVarargs(), binding.parameters, false),
            new String(binding.declaringClass.readableName()), },
        new String[] { new String(binding.selector), typesAsString(binding.isVarargs(), binding.parameters, true),
            new String(binding.declaringClass.shortReadableName()), }, method.sourceStart, method.sourceEnd,
        this.referenceContext, this.referenceContext == null ? null : this.referenceContext.compilationResult());
  }

  /**
   * Overrides the implementation in ProblemReporter and is ITD aware. To report a *real* problem with an ITD marked @override,
   * the other methodMustOverride() method is used.
   */
  public void methodMustOverride(AbstractMethodDeclaration method) {

    // ignore ajc$ methods
    if (new String(method.selector).startsWith("ajc$"))
      return;
    ResolvedMember possiblyErroneousRm = factory.makeResolvedMember(method.binding);

    ResolvedType onTypeX = factory.fromEclipse(method.binding.declaringClass);
    // Can't use 'getInterTypeMungersIncludingSupers()' since that will exclude abstract ITDs
    // on any super classes - so we have to trawl up ourselves.. I wonder if this problem
    // affects other code in the problem reporter that looks through ITDs...
    ResolvedType supertypeToLookAt = onTypeX.getSuperclass();
    while (supertypeToLookAt != null) {
      List itMungers = supertypeToLookAt.getInterTypeMungers();
      for (Iterator i = itMungers.iterator(); i.hasNext();) {
        ConcreteTypeMunger m = (ConcreteTypeMunger) i.next();
        ResolvedMember sig = m.getSignature();
        if (sig == null)
          continue; // we aren't interested in other kinds of munger
        UnresolvedType dType = sig.getDeclaringType();
        if (dType == null)
          continue;
        ResolvedType resolvedDeclaringType = dType.resolve(factory.getWorld());
        ResolvedMember rm = AjcMemberMaker.interMethod(sig, m.getAspectType(), resolvedDeclaringType.isInterface());
        if (ResolvedType.matches(rm, possiblyErroneousRm)) {
          // match, so dont need to report a problem!
          return;
        }
      }
      supertypeToLookAt = supertypeToLookAt.getSuperclass();
    }
    // report the error...
    super.methodMustOverride(method);
  }

  private String typesAsString(boolean isVarargs, TypeBinding[] types, boolean makeShort) {
    StringBuffer buffer = new StringBuffer(10);
    for (int i = 0, length = types.length; i < length; i++) {
      if (i != 0)
        buffer.append(", "); //$NON-NLS-1$
      TypeBinding type = types[i];
      boolean isVarargType = isVarargs && i == length - 1;
      if (isVarargType)
        type = ((ArrayBinding) type).elementsType();
      buffer.append(new String(makeShort ? type.shortReadableName() : type.readableName()));
      if (isVarargType)
        buffer.append("..."); //$NON-NLS-1$
    }
    return buffer.toString();
  }

  public void visibilityConflict(MethodBinding currentMethod, MethodBinding inheritedMethod) {
    // Not quite sure if the conditions on this test are right - basically I'm saying
    // DONT WORRY if its ITDs since the error will be reported another way...
    if (isIntertypeDeclaration(currentMethod) && isIntertypeDeclaration(inheritedMethod)
        && Modifier.isPrivate(currentMethod.modifiers) && Modifier.isPrivate(inheritedMethod.modifiers)) {
      return;
    }
    super.visibilityConflict(currentMethod, inheritedMethod);
  }

  public void unusedPrivateType(TypeDeclaration typeDecl) {
    // don't output unused type warnings for aspects!
    if (typeDecl instanceof AspectDeclaration)
      return;
    if (typeDecl.enclosingType != null && (typeDecl.enclosingType instanceof AspectDeclaration)) {
      AspectDeclaration ad = (AspectDeclaration) typeDecl.enclosingType;
      if (ad.concreteName != null) {
        List declares = ad.concreteName.declares;
        for (Iterator iter = declares.iterator(); iter.hasNext();) {
          Object dec = iter.next();
          if (dec instanceof DeclareParents) {
            DeclareParents decp = (DeclareParents) dec;
            TypePattern[] newparents = decp.getParents().getTypePatterns();
            for (int i = 0; i < newparents.length; i++) {
              TypePattern pattern = newparents[i];
              UnresolvedType ut = pattern.getExactType();
              if (ut == null)
                continue;
              if (CharOperation.compareWith(typeDecl.binding.signature(), ut.getSignature().toCharArray()) == 0)
                return;
            }
          }
        }
      }
    }
    super.unusedPrivateType(typeDecl);
  }

  // Don't warn if there is an ITD method/ctor from a privileged aspect
  public void unusedPrivateField(FieldDeclaration fieldDecl) {
    if (fieldDecl.binding != null && fieldDecl.binding.declaringClass != null) {
      ReferenceBinding type = fieldDecl.binding.declaringClass;

      ResolvedType weaverType = null;
      if (!type.isAnonymousType()) {
        weaverType = factory.fromEclipse(type);
      } else {
        weaverType = factory.fromEclipse(type.superclass());
      }
      Set checked = new HashSet();
      for (Iterator i = weaverType.getInterTypeMungersIncludingSupers().iterator(); i.hasNext();) {
        ConcreteTypeMunger m = (ConcreteTypeMunger) i.next();
        ResolvedType theAspect = m.getAspectType();
        if (!checked.contains(theAspect)) {
          TypeBinding tb = factory.makeTypeBinding(m.getAspectType());
          // Let's check the privilegedHandler from that aspect
          if (tb instanceof SourceTypeBinding) { // BinaryTypeBinding is also a SourceTypeBinding ;)
            IPrivilegedHandler privilegedHandler = ((SourceTypeBinding) tb).privilegedHandler;
            if (privilegedHandler != null) {
              if (privilegedHandler.definesPrivilegedAccessToField(fieldDecl.binding)) {
                return;
              }
            } else if (theAspect instanceof ReferenceType) {
              // ResolvedMember rm = factory.makeResolvedMember(fieldDecl.binding);
              String fname = new String(fieldDecl.name);
              Collection/* ResolvedMember */privvies = ((ReferenceType) theAspect).getPrivilegedAccesses();
              // On an incremental compile the information is in the bcel delegate
              if (privvies != null) {
                for (Iterator iterator = privvies.iterator(); iterator.hasNext();) {
                  ResolvedMember priv = (ResolvedMember) iterator.next();
                  if (priv.getName().equals(fname)) {
                    return;
                  }
                }
              }
            }
          }
          checked.add(theAspect);
        }
      }
    }
    super.unusedPrivateField(fieldDecl);
  }

  public void unusedPrivateMethod(AbstractMethodDeclaration methodDecl) {
    // don't output unused warnings for pointcuts...
    if (!(methodDecl instanceof PointcutDeclaration))
      super.unusedPrivateMethod(methodDecl);
  }

  public void caseExpressionMustBeConstant(Expression expression) {
    if (expression instanceof QualifiedNameReference) {
      QualifiedNameReference qnr = (QualifiedNameReference) expression;
      if (qnr.otherBindings != null && qnr.otherBindings.length > 0 && qnr.otherBindings[0] instanceof PrivilegedFieldBinding) {
        super.signalError(expression.sourceStart, expression.sourceEnd,
            "Fields accessible due to an aspect being privileged can not be used in switch statements");
        referenceContext.tagAsHavingErrors();
        return;
      }
    }
    super.caseExpressionMustBeConstant(expression);
  }

  public void unusedArgument(LocalDeclaration localDecl) {
    // don't warn if this is an aj synthetic arg
    String argType = new String(localDecl.type.resolvedType.signature());
    if (argType.startsWith("Lorg/aspectj/runtime/internal"))
      return;

    // If the unused argument is in a pointcut, don't report the problem (for now... pr148219)
    if (localDecl instanceof Argument) {
      Argument arg = (Argument) localDecl;
      if (arg.binding != null && arg.binding.declaringScope != null) {
        ReferenceContext context = arg.binding.declaringScope.referenceContext();
        if (context != null && context instanceof PointcutDeclaration)
          return;
      }
    }
    if (new String(localDecl.name).startsWith("ajc$")) {
      // Do not report problems for infrastructure variables beyond the users control - pr195090
      return;
    }
    super.unusedArgument(localDecl);
  }

  /**
   * A side-effect of the way that we handle itds on default methods on top-most implementors of interfaces is that a class
   * acquiring a final default ITD will erroneously report that it can't override its own member. This method detects that
   * situation.
   */
  public void finalMethodCannotBeOverridden(MethodBinding currentMethod, MethodBinding inheritedMethod) {
    if (currentMethod == inheritedMethod)
      return;
    super.finalMethodCannotBeOverridden(currentMethod, inheritedMethod);
  }

  /**
   * The method verifier is a bit 'keen' and doesn't cope well with ITDMs which are of course to be considered a 'default'
   * implementation if the target type doesn't supply one. This test may not be complete - it is possible that it should read if
   * *either* is an ITD...but I dont have a testcase that shows that is required. yet. (pr115788)
   */
  public void duplicateInheritedMethods(SourceTypeBinding type, MethodBinding inheritedMethod1, MethodBinding inheritedMethod2) {
    if (inheritedMethod1 instanceof InterTypeMethodBinding || inheritedMethod2 instanceof InterTypeMethodBinding)
      return;
    if ((inheritedMethod1 instanceof ParameterizedMethodBinding)
        && ((ParameterizedMethodBinding) inheritedMethod1).original() instanceof InterTypeMethodBinding)
      return;
    if ((inheritedMethod2 instanceof ParameterizedMethodBinding)
        && ((ParameterizedMethodBinding) inheritedMethod2).original() instanceof InterTypeMethodBinding)
      return;
    super.duplicateInheritedMethods(type, inheritedMethod1, inheritedMethod2);
  }

  /**
   * All problems end up routed through here at some point...
   */
  public IProblem createProblem(char[] fileName, int problemId, String[] problemArguments, String[] messageArguments,
      int severity, int problemStartPosition, int problemEndPosition, int lineNumber) {
    IProblem problem = super.createProblem(fileName, problemId, problemArguments, messageArguments, severity,
        problemStartPosition, problemEndPosition, lineNumber, 0);
    if (factory.getWorld().isInPinpointMode()) {
      MessageIssued ex = new MessageIssued();
      ex.fillInStackTrace();
      StringWriter sw = new StringWriter();
      ex.printStackTrace(new PrintWriter(sw));
      StringBuffer sb = new StringBuffer();
      sb.append(CompilationAndWeavingContext.getCurrentContext());
      sb.append(sw.toString());
      problem = new PinpointedProblem(problem, sb.toString());
    }
    return problem;
  }

  private static class MessageIssued extends RuntimeException {
    public String getMessage() {
      return "message issued...";
    }
  }

  private static class PinpointedProblem implements IProblem {

    private IProblem delegate;
    private String message;

    public PinpointedProblem(IProblem aProblem, String pinpoint) {
      this.delegate = aProblem;
      // if this was a problem that came via the weaver, it will already have
      // pinpoint info, don't do it twice...
      if (delegate.getMessage().indexOf("message issued...") == -1) {
        this.message = delegate.getMessage() + "\n" + pinpoint;
      } else {
        this.message = delegate.getMessage();
      }
    }

    public String[] getArguments() {
      return delegate.getArguments();
    }

    public int getID() {
      return delegate.getID();
    }

    public String getMessage() {
      return message;
    }

    public char[] getOriginatingFileName() {
      return delegate.getOriginatingFileName();
    }

    public int getSourceEnd() {
      return delegate.getSourceEnd();
    }

    public int getSourceLineNumber() {
      return delegate.getSourceLineNumber();
    }

    public int getSourceStart() {
      return delegate.getSourceStart();
    }

    public boolean isError() {
      return delegate.isError();
    }

    public boolean isWarning() {
      return delegate.isWarning();
    }

    public void setSourceEnd(int sourceEnd) {
      delegate.setSourceEnd(sourceEnd);
    }

    public void setSourceLineNumber(int lineNumber) {
      delegate.setSourceLineNumber(lineNumber);
    }

    public void setSourceStart(int sourceStart) {
      delegate.setSourceStart(sourceStart);
    }

    public void setSeeAlsoProblems(IProblem[] problems) {
      delegate.setSeeAlsoProblems(problems);
    }

    public IProblem[] seeAlso() {
      return delegate.seeAlso();
    }

    public void setSupplementaryMessageInfo(String msg) {
      delegate.setSupplementaryMessageInfo(msg);
    }

    public String getSupplementaryMessageInfo() {
      return delegate.getSupplementaryMessageInfo();
    }
  }

  public void duplicateMethodInType(SourceTypeBinding type, AbstractMethodDeclaration methodDecl) {
    if (new String(methodDecl.selector).startsWith("ajc$interMethod")) {
      // this is an ITD clash and will be reported in another way by AspectJ (173602)
      return;
    }
    super.duplicateMethodInType(type, methodDecl);
  }

  // pr246393 - if we are going to complain about privileged, we clearly don't know what is going on, so don't
  // confuse the user
  public void parseErrorInsertAfterToken(int start, int end, int currentKind, char[] errorTokenSource, String errorTokenName,
      String expectedToken) {
    if (expectedToken.equals("privileged")) {
      super.parseErrorNoSuggestion(start, end, currentKind, errorTokenSource, errorTokenName);
    } else {
      super.parseErrorInsertAfterToken(start, end, currentKind, errorTokenSource, errorTokenName, expectedToken);
    }
  }

  public void missingValueForAnnotationMember(Annotation annotation, char[] memberName) {
    if (referenceContext instanceof DeclareAnnotationDeclaration) {
      // If a remover then the values are not necessary
      if (((DeclareAnnotationDeclaration) referenceContext).isRemover()) {
        return;
      }
    }
    super.missingValueForAnnotationMember(annotation, memberName);
  }

}
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Related Classes of org.aspectj.ajdt.internal.compiler.problem.AjProblemReporter$PinpointedProblem

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