Examples of org.aspectj.weaver.patterns.Pointcut$State

org.aspectj.weaver.patterns.Pointcut
The lifecycle of Pointcuts is modeled by Pointcut.State. It has three things:
Creation -- SYMBOLIC -- then resolve(IScope) -- RESOLVED -- concretize(...) -- CONCRETE @author Erik Hilsdale @author Jim HuguninA day in the life of a pointcut.... - AMC. ========================================== Pointcuts are created by the PatternParser, which is called by ajdt to parse a pointcut from the PseudoTokens AST node (which in turn are part of a PointcutDesignator AST node). Pointcuts are resolved by ajdt when an AdviceDeclaration or a PointcutDeclaration has its statements resolved. This happens as part of completeTypeBindings in the AjLookupEnvironment which is called after the diet parse phase of the compiler. Named pointcuts, and references to named pointcuts are instances of ReferencePointcut. At the end of the compilation process, the pointcuts are serialized (write method) into attributes in the class file. When the weaver loads the class files, it unpacks the attributes and deserializes the pointcuts (read). All aspects are added to the world, by calling addOrReplaceAspect on the crosscutting members set of the world. When aspects are added or replaced, the crosscutting members in the aspect are extracted as ShadowMungers (each holding a pointcut). The ShadowMungers are concretized, which concretizes the pointcuts. At this stage ReferencePointcuts are replaced by their declared content. During weaving, the weaver processes type by type. It first culls potentially matching ShadowMungers by calling the fastMatch method on their pointcuts. Only those that might match make it through to the next phase. At the next phase, all of the shadows within the type are created and passed to the pointcut for matching (match). When the actual munging happens, matched pointcuts are asked for their residue (findResidue) - the runtime test if any. Because of negation, findResidue may be called on pointcuts that could never match the shadow.

    private Pointcut findFirstPointcutIn(Pointcut toSearch, Class toLookFor) {
      if (toSearch instanceof NotPointcut) return null;
      if (toLookFor.isInstance(toSearch)) return toSearch;
      if (toSearch instanceof AndPointcut) {
        AndPointcut apc = (AndPointcut) toSearch;
        Pointcut left = findFirstPointcutIn(apc.getLeft(),toLookFor);
        if (left != null) return left;
        return findFirstPointcutIn(apc.getRight(),toLookFor);
      }
      return null;
    }

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    throws UnsupportedPointcutPrimitiveException, IllegalArgumentException {
       PointcutExpressionImpl pcExpr = null;
         try {
           PatternParser parser = new PatternParser(expression);
           parser.setPointcutDesignatorHandlers(pointcutDesignators, world);
             Pointcut pc = parser.parsePointcut();
             validateAgainstSupportedPrimitives(pc,expression);
             IScope resolutionScope = buildResolutionScope((inScope == null ? Object.class : inScope),formalParameters);
             pc = pc.resolve(resolutionScope);
             ResolvedType declaringTypeForResolution = null;
             if (inScope != null) {
               declaringTypeForResolution = getWorld().resolve(inScope.getName());
             } else {
               declaringTypeForResolution = ResolvedType.OBJECT.resolve(getWorld());
             }
             IntMap arity = new IntMap(formalParameters.length);
             for (int i = 0; i < formalParameters.length; i++) {
               arity.put(i, i);
             }             
             pc = pc.concretize(declaringTypeForResolution, declaringTypeForResolution, arity);
             validateAgainstSupportedPrimitives(pc,expression); // again, because we have now followed any ref'd pcuts
             pcExpr = new PointcutExpressionImpl(pc,expression,formalParameters,getWorld());
         } catch (ParserException pEx) {
             throw new IllegalArgumentException(buildUserMessageFromParserException(expression,pEx));
         } catch (ReflectionWorld.ReflectionWorldException rwEx) {

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    super();
    sourceStart = tokens.sourceStart;
    sourceEnd = tokens.sourceEnd;
    this.tokens = tokens;
    
    Pointcut pc = tokens.parsePointcut(parser);
    if (pc.toString().equals("")) { //??? is this a good signal
      isError = true;
    }
    pointcut = pc;
  }

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  }
  
  public Pointcut parsePointcut(Parser parser) {
    PatternParser patternParser = new PatternParser(tokenSource);
    try {
      Pointcut ret = patternParser.parsePointcut();
      checkEof(parser);
      return ret;
    } catch (ParserException pe) {
      reportError(parser, pe);
      return Pointcut.makeMatchesNothing(Pointcut.SYMBOLIC);

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    AspectDeclaration aspectDecl = new AspectDeclaration(typeDecl.compilationResult);


    try {
      if (perClause != null && !perClause.equals("")) {
        ISourceContext context = new EclipseSourceContext(unit.compilationResult,pcLoc[0]);
        Pointcut pc = new PatternParser(perClause,context).maybeParsePerClause();
          FormalBinding[] bindings = new FormalBinding[0];
        if (pc != null) pc.resolve(new EclipseScope(bindings,typeDecl.scope));
      }
    } catch(ParserException pEx) {
      typeDecl.scope.problemReporter().parseError(
          pcLoc[0] + pEx.getLocation().getStart(),
          pcLoc[0] + pEx.getLocation().getEnd() ,

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    int[] pcLocation = new int[2];
    String pointcutExpression = getStringLiteralFor("pointcut",adviceAnn,pcLocation);
    if (pointcutExpression == null) pointcutExpression = getStringLiteralFor("value",adviceAnn,pcLocation);
    try {
      ISourceContext context = new EclipseSourceContext(unit.compilationResult,pcLocation[0]);
      Pointcut pc = new PatternParser(pointcutExpression,context).parsePointcut();
      FormalBinding[] bindings = buildFormalAdviceBindingsFrom(methodDeclaration);
      pc.resolve(new EclipseScope(bindings,methodDeclaration.scope));
      EclipseFactory factory = EclipseFactory.fromScopeLookupEnvironment(methodDeclaration.scope);
      // now create a ResolvedPointcutDefinition,make an attribute out of it, and add it to the method
      UnresolvedType[] paramTypes = new UnresolvedType[bindings.length];
      for (int i = 0; i < paramTypes.length; i++) paramTypes[i] = bindings[i].getType();
      ResolvedPointcutDefinition resPcutDef =

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    boolean containsIfPcd = false;
    int[] pcLocation = new int[2];
    String pointcutExpression = getStringLiteralFor("value",ajAnnotations.pointcutAnnotation,pcLocation);
    try {
      ISourceContext context = new EclipseSourceContext(unit.compilationResult,pcLocation[0]);
            Pointcut pc = null;//abstract
            if (pointcutExpression == null  || pointcutExpression.length() == 0) {
                ;//will have to ensure abstract ()V method
            } else {
                pc = new PatternParser(pointcutExpression,context).parsePointcut();
            }
            pcDecl.pointcutDesignator = (pc==null)?null:new PointcutDesignator(pc);
      pcDecl.setGenerateSyntheticPointcutMethod();
      TypeDeclaration onType = (TypeDeclaration) typeStack.peek();
      pcDecl.postParse(onType);
//      EclipseFactory factory = EclipseFactory.fromScopeLookupEnvironment(methodDeclaration.scope);
//      int argsLength = methodDeclaration.arguments == null ? 0 : methodDeclaration.arguments.length;
      FormalBinding[] bindings = buildFormalAdviceBindingsFrom(methodDeclaration);
//         FormalBinding[] bindings = new FormalBinding[argsLength];
//          for (int i = 0, len = bindings.length; i < len; i++) {
//              Argument arg = methodDeclaration.arguments[i];
//              String name = new String(arg.name);
//              UnresolvedType type = factory.fromBinding(methodDeclaration.binding.parameters[i]);
//              bindings[i] = new FormalBinding(type, name, i, arg.sourceStart, arg.sourceEnd, "unknown");
//          }
      swap(onType,methodDeclaration,pcDecl);
      if (pc != null) {
                // has an expression
                pc.resolve(new EclipseScope(bindings,methodDeclaration.scope));
                HasIfPCDVisitor ifFinder = new HasIfPCDVisitor();
                pc.traverse(ifFinder, null);
                containsIfPcd = ifFinder.containsIfPcd;
            }
        } catch(ParserException pEx) {
      methodDeclaration.scope.problemReporter().parseError(
          pcLocation[0] + pEx.getLocation().getStart(),

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    } else if (declare instanceof DeclareSoft) {
      DeclareSoft d = (DeclareSoft)declare;
      // Ordered so that during concretization we can check the related munger
      ShadowMunger m = Advice.makeSoftener(world, d.getPointcut(), d.getException(),inAspect,d);
      m.setDeclaringType(d.getDeclaringType());
      Pointcut concretePointcut = d.getPointcut().concretize(inAspect, d.getDeclaringType(), 0,m);
      m.pointcut = concretePointcut;
      declareSofts.add(new DeclareSoft(d.getException(), concretePointcut));
      addConcreteShadowMunger(m);
    } else if (declare instanceof DeclareAnnotation) {
        // FIXME asc perf Possible Improvement. Investigate why this is called twice in a weave ?

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    /** @param fromType is guaranteed to be a non-abstract aspect
     *  @param clause has been concretized at a higher level
     */
    public ShadowMunger concretize(ResolvedType fromType, World world, PerClause clause) {
      // assert !fromType.isAbstract();
        Pointcut p = pointcut.concretize(fromType, getDeclaringType(), signature.getArity(), this);
        if (clause != null) {
          Pointcut oldP = p;
          p = new AndPointcut(clause, p);
          p.copyLocationFrom(oldP);
          p.state = Pointcut.CONCRETE;


            //FIXME ? ATAJ copy unbound bindings to ignore

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    clearLintSuppressions(world,this.suppressedLintKinds);
    return ret;
  }
  
  public ShadowMunger parameterizeWith(ResolvedType declaringType,Map typeVariableMap) {
    Pointcut pc = getPointcut().parameterizeWith(typeVariableMap);
    
    BcelAdvice ret = null;
    Member adviceSignature = signature;    
    // allows for around advice where the return value is a type variable (see pr115250)
    if (signature instanceof ResolvedMember && signature.getDeclaringType().isGenericType()) {

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