Examples with OperandOrderIterator com.google.security.zynamics.zylib.disassembly.OperandOrderIterator used on opensource projects

Example 1 with OperandOrderIterator

use of com.google.security.zynamics.zylib.disassembly.OperandOrderIterator in project binnavi by google.

the class PostgreSQLTypesNotificationParser method findOperandTreeNode.

/**
   * Only used internally to find the necessary {@link INaviOperandTreeNode operand node} where a
   * {@link TypeSubstitution type substitution} is associated to.
   * 
   * @param provider The {@link SQLProvider} used to differentiate between the different caches used
   *        for getting {@link INaviInstruction instructions}.
   * @param moduleId The id of the {@link INaviModule module} this {@link TypeSubstitution type
   *        substitution} is associated to.
   * @param address The {@link CAddress} of the {@link INaviInstruction instruction} where the
   *        {@link TypeSubstitution type substitution} is associated to.
   * @param position The {@link INaviOperandTree operand tree} position where the
   *        {@link TypeSubstitution type substitution} is associated to.
   * @param operandNodeId the id of the {@link INaviOperandTreeNode operand node} to which the
   *        {@link TypeSubstitution type substitution} is associated.
   * @return A {@link INaviOperandTreeNode} if it is in the cache otherwise null;
   */
private INaviOperandTreeNode findOperandTreeNode(final SQLProvider provider, final int moduleId, final CAddress address, final int position, final int operandNodeId) {
    final INaviInstruction instruction = InstructionCache.get(provider).getInstructionByAddress(address, moduleId);
    if (instruction != null) {
        final INaviOperandTree operandTree = instruction.getOperands().get(position);
        final INaviOperandTreeNode root = operandTree.getRootNode();
        final OperandOrderIterator iterator = new OperandOrderIterator(root);
        while (iterator.next()) {
            final INaviOperandTreeNode currentNode = (INaviOperandTreeNode) iterator.current();
            if (currentNode.getId() == operandNodeId) {
                return currentNode;
            }
        }
    }
    return null;
}

Example 2 with OperandOrderIterator

use of com.google.security.zynamics.zylib.disassembly.OperandOrderIterator in project binnavi by google.

the class ZyOperandBuilder method buildOperand.

/**
   * Builds a single operand.
   *
   * @param instruction The instruction in question.
   * @param operandTree Provides information about the operand to build.
   * @param graphSettings Provides the graph settings.
   * @param line String buffer where the operands string is added.
   * @param styleRun Style runs list where the formatting information is added.
   * @param modifier Calculates the address string (this argument can be null).
   * @param counter The index of the operand in the operands list of the instruction.
   */
private static void buildOperand(final INaviInstruction instruction, final INaviOperandTree operandTree, final ZyGraphViewSettings graphSettings, final StringBuffer line, final List<CStyleRunData> styleRun, final INodeModifier modifier, final int counter) {
    // We use an iterator that gives us the individual operands in correct (printing) order.
    final OperandOrderIterator iter = new OperandOrderIterator(operandTree.getRootNode());
    final boolean isVariableAccess = graphSettings.getDisplaySettings().getSimplifiedVariableAccess() && isVariableAccess(operandTree.getRootNode());
    boolean hasMemderef = false;
    boolean hasExpressionList = false;
    boolean needsComma = false;
    boolean hasExclamationMark = false;
    COperandTreeNode memParent = null;
    final ColorsConfigItem colors = ConfigManager.instance().getColorSettings();
    while (iter.next()) {
        if (isVariableAccess) {
            skipMemoryAccess(iter);
        }
        // Process the next operand part
        final COperandTreeNode treeNode = (COperandTreeNode) iter.current();
        hasExclamationMark = "!".equals(treeNode.getValue());
        if (skipOperand(treeNode, hasExpressionList)) {
            continue;
        }
        if (needsComma) {
            styleRun.add(new CStyleRunData(line.length(), 1, colors.getOperandSeparatorColor()));
            line.append(',');
        }
        if (hasExpressionList) {
            needsComma = true;
        }
        if (hasMemderef && !isAncestor(treeNode, memParent)) {
            // Since closing "]" characters are not part of the operand trees,
            // we have to handle memory dereference brackets manually.
            styleRun.add(new CStyleRunData(line.length(), 1, colors.getMemRefColor()));
            line.append(']');
            hasMemderef = false;
        }
        hasExpressionList = (treeNode.getType() == ExpressionType.EXPRESSION_LIST) || hasExpressionList;
        if (treeNode.getType() == ExpressionType.MEMDEREF) {
            memParent = treeNode;
            hasMemderef = true;
        }
        addOperand(line, styleRun, treeNode, modifier);
    }
    addClosingDelimiters(line, styleRun, hasMemderef, hasExpressionList, hasExclamationMark);
    addCommaSeparator(line, styleRun, instruction.getOperands(), counter);
}

Example 3 with OperandOrderIterator

use of com.google.security.zynamics.zylib.disassembly.OperandOrderIterator in project binnavi by google.

the class PostgreSQLTypeInstancesNotificationParser method informExpressionTypeInstanceNotification.

/**
   * This function informs the {@link TypeInstanceContainer} about changes related to expression
   * type instances also known as cross references for type instances.
   * 
   * @param container The {@link TypeInstancesNotificationContainer} holding the parsed information.
   * @param provider The {@link SQLProvider} used to access the database.
   * @throws CouldntLoadDataException
   */
private void informExpressionTypeInstanceNotification(final TypeInstancesNotificationContainer container, final SQLProvider provider) throws CouldntLoadDataException {
    final TypeInstanceContainer typeContainer = provider.findModule(container.getModuleId()).getContent().getTypeInstanceContainer();
    if (container.getDatabaseOperation().equals("INSERT")) {
        final TypeInstanceReference reference = typeContainer.loadInstanceReference(container.getTypeInstanceId(), container.getAddress().get(), container.getPosition().get(), container.getExpressionId().get());
        final INaviInstruction instruction = InstructionCache.get(provider).getInstructionByAddress(reference.getAddress(), reference.getTypeInstance().getModule().getConfiguration().getId());
        if (instruction != null) {
            final INaviOperandTree operandTree = instruction.getOperands().get(reference.getPosition());
            final INaviOperandTreeNode root = operandTree.getRootNode();
            final OperandOrderIterator iterator = new OperandOrderIterator(root);
            while (iterator.next()) {
                final INaviOperandTreeNode currentNode = (INaviOperandTreeNode) iterator.current();
                if (currentNode.getId() == container.getExpressionId().get()) {
                    typeContainer.initializeTypeInstanceReference(reference.getAddress(), reference.getPosition(), container.getTypeInstanceId(), currentNode);
                    break;
                }
            }
        }
    } else if (container.getDatabaseOperation().equals("UPDATE")) {
    // currently not be possible at all.
    } else if (container.getDatabaseOperation().equals("DELETE")) {
        typeContainer.deleteReference(container.getTypeInstanceId(), container.getAddress().get(), container.getPosition().get(), container.getExpressionId().get());
    } else {
        throw new IllegalStateException("Error: the database operation " + container.getDatabaseOperation() + " is currently not supported.");
    }
}