Examples of org.aspectj.apache.bcel.generic.FieldInstruction

org.aspectj.apache.bcel.generic.FieldInstruction
Super class for the GET/PUTxxx family of instructions. @version $Id: FieldInstruction.java,v 1.7 2009/10/05 17:35:36 aclement Exp $ @author M. Dahm

          return UnresolvedType.forSignature(lvt.getType());
        }
      }
      // A field access instruction may tell us the real type of what the clone() call is on
      if (searchPtr.getInstruction() instanceof FieldInstruction) {
        FieldInstruction si = (FieldInstruction) searchPtr.getInstruction();
        Type t = si.getFieldType(getEnclosingClass().getConstantPool());
        return BcelWorld.fromBcel(t);
      }
      // A new array instruction obviously tells us it is an array type !
      if (searchPtr.getInstruction().opcode == Constants.ANEWARRAY) {
        // ANEWARRAY ana = (ANEWARRAY)searchPoint.getInstruction();

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            break;// ok we found a matching callee member and swapped the instruction with the accessor
          }
        }
      } else if (inst instanceof FieldInstruction) {
        FieldInstruction invoke = (FieldInstruction) inst;
        ResolvedType callee = m_aspectGen.getWorld().resolve(UnresolvedType.forName(invoke.getClassName(cpg)));
        for (int i = 0; i < callee.getDeclaredJavaFields().length; i++) {
          ResolvedMember resolvedMember = callee.getDeclaredJavaFields()[i];
          if (invoke.getName(cpg).equals(resolvedMember.getName())
              && invoke.getSignature(cpg).equals(resolvedMember.getSignature()) && !resolvedMember.isPublic()) {
            final ResolvedMember accessor;
            if ((inst.opcode == Constants.GETFIELD) || (inst.opcode == Constants.GETSTATIC)) {
              accessor = createOrGetInlineAccessorForFieldGet(resolvedMember);
            } else {
              accessor = createOrGetInlineAccessorForFieldSet(resolvedMember);

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        }
      }
    }


    if ((i instanceof FieldInstruction) && (canMatch(Shadow.FieldGet) || canMatch(Shadow.FieldSet))) {
      FieldInstruction fi = (FieldInstruction) i;


      if (fi.opcode == Constants.PUTFIELD || fi.opcode == Constants.PUTSTATIC) {
        // check for sets of constant fields. We first check the
        // previous
        // instruction. If the previous instruction is a LD_WHATEVER

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    return false;
  }


  private void matchSetInstruction(LazyMethodGen mg, InstructionHandle ih, BcelShadow enclosingShadow,
      List<BcelShadow> shadowAccumulator) {
    FieldInstruction fi = (FieldInstruction) ih.getInstruction();
    Member field = BcelWorld.makeFieldJoinPointSignature(clazz, fi);


    // synthetic fields are never join points
    if (field.getName().startsWith(NameMangler.PREFIX)) {
      return;
    }


    ResolvedMember resolvedField = field.resolve(world);
    if (resolvedField == null) {
      // we can't find the field, so it's not a join point.
      return;
    } else if (Modifier.isFinal(resolvedField.getModifiers())
        && Utility.isConstantPushInstruction(ih.getPrev().getInstruction())) {
      // it's the set of a final constant, so it's
      // not a join point according to 1.0.6 and 1.1.
      return;
    } else if (resolvedField.isSynthetic()) {
      // sets of synthetics aren't join points in 1.1
      return;
    } else {
      // Fix for bug 172107 (similar the "get" fix for bug 109728)
      BcelShadow bs = BcelShadow.makeFieldSet(world, resolvedField, mg, ih, enclosingShadow);
      String cname = fi.getClassName(cpg);
      if (!resolvedField.getDeclaringType().getName().equals(cname)) {
        bs.setActualTargetType(cname);
      }
      match(bs, shadowAccumulator);
    }

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    }
  }


  private void matchGetInstruction(LazyMethodGen mg, InstructionHandle ih, BcelShadow enclosingShadow,
      List<BcelShadow> shadowAccumulator) {
    FieldInstruction fi = (FieldInstruction) ih.getInstruction();
    Member field = BcelWorld.makeFieldJoinPointSignature(clazz, fi);


    // synthetic fields are never join points
    if (field.getName().startsWith(NameMangler.PREFIX)) {
      return;
    }


    ResolvedMember resolvedField = field.resolve(world);
    if (resolvedField == null) {
      // we can't find the field, so it's not a join point.
      return;
    } else if (resolvedField.isSynthetic()) {
      // sets of synthetics aren't join points in 1.1
      return;
    } else {
      BcelShadow bs = BcelShadow.makeFieldGet(world, resolvedField, mg, ih, enclosingShadow);
      String cname = fi.getClassName(cpg);
      if (!resolvedField.getDeclaringType().getName().equals(cname)) {
        bs.setActualTargetType(cname);
      }
      match(bs, shadowAccumulator);
    }

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        }
      }
    }


    if ((i instanceof FieldInstruction) && (canMatch(Shadow.FieldGet) || canMatch(Shadow.FieldSet))) {
      FieldInstruction fi = (FieldInstruction) i;


      if (fi.opcode == Constants.PUTFIELD || fi.opcode == Constants.PUTSTATIC) {
        // check for sets of constant fields. We first check the
        // previous
        // instruction. If the previous instruction is a LD_WHATEVER

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    return false;
  }


  private void matchSetInstruction(LazyMethodGen mg, InstructionHandle ih, BcelShadow enclosingShadow,
      List<BcelShadow> shadowAccumulator) {
    FieldInstruction fi = (FieldInstruction) ih.getInstruction();
    Member field = BcelWorld.makeFieldJoinPointSignature(clazz, fi);


    // synthetic fields are never join points
    if (field.getName().startsWith(NameMangler.PREFIX)) {
      return;
    }


    ResolvedMember resolvedField = field.resolve(world);
    if (resolvedField == null) {
      // we can't find the field, so it's not a join point.
      return;
    } else if (Modifier.isFinal(resolvedField.getModifiers())
        && Utility.isConstantPushInstruction(ih.getPrev().getInstruction())) {
      // it's the set of a final constant, so it's
      // not a join point according to 1.0.6 and 1.1.
      return;
    } else if (resolvedField.isSynthetic()) {
      // sets of synthetics aren't join points in 1.1
      return;
    } else {
      // Fix for bug 172107 (similar the "get" fix for bug 109728)
      BcelShadow bs = BcelShadow.makeFieldSet(world, resolvedField, mg, ih, enclosingShadow);
      String cname = fi.getClassName(cpg);
      if (!resolvedField.getDeclaringType().getName().equals(cname)) {
        bs.setActualTargetType(cname);
      }
      match(bs, shadowAccumulator);
    }

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    }
  }


  private void matchGetInstruction(LazyMethodGen mg, InstructionHandle ih, BcelShadow enclosingShadow,
      List<BcelShadow> shadowAccumulator) {
    FieldInstruction fi = (FieldInstruction) ih.getInstruction();
    Member field = BcelWorld.makeFieldJoinPointSignature(clazz, fi);


    // synthetic fields are never join points
    if (field.getName().startsWith(NameMangler.PREFIX)) {
      return;
    }


    ResolvedMember resolvedField = field.resolve(world);
    if (resolvedField == null) {
      // we can't find the field, so it's not a join point.
      return;
    } else if (resolvedField.isSynthetic()) {
      // sets of synthetics aren't join points in 1.1
      return;
    } else {
      BcelShadow bs = BcelShadow.makeFieldGet(world, resolvedField, mg, ih, enclosingShadow);
      String cname = fi.getClassName(cpg);
      if (!resolvedField.getDeclaringType().getName().equals(cname)) {
        bs.setActualTargetType(cname);
      }
      match(bs, shadowAccumulator);
    }

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            break;// ok we found a matching callee member and swapped the instruction with the accessor
          }
        }
      } else if (inst instanceof FieldInstruction) {
        FieldInstruction invoke = (FieldInstruction) inst;
        ResolvedType callee = aspectGen.getWorld().resolve(UnresolvedType.forName(invoke.getClassName(cpg)));
        for (int i = 0; i < callee.getDeclaredJavaFields().length; i++) {
          ResolvedMember resolvedMember = callee.getDeclaredJavaFields()[i];
          if (invoke.getName(cpg).equals(resolvedMember.getName())
              && invoke.getSignature(cpg).equals(resolvedMember.getSignature()) && !resolvedMember.isPublic()) {
            final ResolvedMember accessor;
            if ((inst.opcode == Constants.GETFIELD) || (inst.opcode == Constants.GETSTATIC)) {
              accessor = createOrGetInlineAccessorForFieldGet(resolvedMember);
            } else {
              accessor = createOrGetInlineAccessorForFieldSet(resolvedMember);

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          return UnresolvedType.forSignature(lvt.getType());
        }
      }
      // A field access instruction may tell us the real type of what the clone() call is on
      if (searchPtr.getInstruction() instanceof FieldInstruction) {
        FieldInstruction si = (FieldInstruction) searchPtr.getInstruction();
        Type t = si.getFieldType(getEnclosingClass().getConstantPool());
        return BcelWorld.fromBcel(t);
      }
      // A new array instruction obviously tells us it is an array type !
      if (searchPtr.getInstruction().opcode == Constants.ANEWARRAY) {
        // ANEWARRAY ana = (ANEWARRAY)searchPoint.getInstruction();

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org.aspectj.weaver.bcel.BcelAccessForInlineMunger

org.aspectj.weaver.bcel.BcelClassWeaver

org.aspectj.weaver.bcel.BcelShadow

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