Example usage for org.eclipse.jdt.core.dom NodeFinder NodeFinder

List of usage examples for org.eclipse.jdt.core.dom NodeFinder NodeFinder

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Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom NodeFinder NodeFinder.

Prototype

public NodeFinder(ASTNode root, int start, int length)

Source Link

Document

Instantiate a new node finder using the given root node, the given start and the given length.

Usage

From source file:com.android.ide.eclipse.adt.internal.lint.AddSuppressAnnotation.java

License:Open Source License

/**
 * Adds any applicable suppress lint fix resolutions into the given list
 *
 * @param marker the marker to create fixes for
 * @param id the issue id/*w  w  w.  jav  a  2 s .c om*/
 * @param resolutions a list to add the created resolutions into, if any
 */
public static void createFixes(IMarker marker, String id, List<IMarkerResolution> resolutions) {
    ITextEditor textEditor = AdtUtils.getActiveTextEditor();
    IDocumentProvider provider = textEditor.getDocumentProvider();
    IEditorInput editorInput = textEditor.getEditorInput();
    IDocument document = provider.getDocument(editorInput);
    if (document == null) {
        return;
    }

    IWorkingCopyManager manager = JavaUI.getWorkingCopyManager();
    ICompilationUnit compilationUnit = manager.getWorkingCopy(editorInput);
    int offset = 0;
    int length = 0;
    int start = marker.getAttribute(IMarker.CHAR_START, -1);
    int end = marker.getAttribute(IMarker.CHAR_END, -1);
    offset = start;
    length = end - start;
    CompilationUnit root = SharedASTProvider.getAST(compilationUnit, SharedASTProvider.WAIT_YES, null);
    if (root == null) {
        return;
    }

    int api = -1;
    if (id.equals(ApiDetector.UNSUPPORTED.getId()) || id.equals(ApiDetector.INLINED.getId())) {
        String message = marker.getAttribute(IMarker.MESSAGE, null);
        if (message != null) {
            Pattern pattern = Pattern.compile("\\s(\\d+)\\s"); //$NON-NLS-1$
            Matcher matcher = pattern.matcher(message);
            if (matcher.find()) {
                api = Integer.parseInt(matcher.group(1));
            }
        }
    }

    Issue issue = EclipseLintClient.getRegistry().getIssue(id);
    boolean isClassDetector = issue != null && issue.getImplementation().getScope().contains(Scope.CLASS_FILE);

    // Don't offer to suppress (with an annotation) the annotation checks
    if (issue == AnnotationDetector.ISSUE) {
        return;
    }

    NodeFinder nodeFinder = new NodeFinder(root, offset, length);
    ASTNode coveringNode;
    if (offset <= 0) {
        // Error added on the first line of a Java class: typically from a class-based
        // detector which lacks line information. Map this to the top level class
        // in the file instead.
        coveringNode = root;
        if (root.types() != null && root.types().size() > 0) {
            Object type = root.types().get(0);
            if (type instanceof ASTNode) {
                coveringNode = (ASTNode) type;
            }
        }
    } else {
        coveringNode = nodeFinder.getCoveringNode();
    }
    for (ASTNode body = coveringNode; body != null; body = body.getParent()) {
        if (body instanceof BodyDeclaration) {
            BodyDeclaration declaration = (BodyDeclaration) body;

            String target = null;
            if (body instanceof MethodDeclaration) {
                target = ((MethodDeclaration) body).getName().toString() + "()"; //$NON-NLS-1$
            } else if (body instanceof FieldDeclaration) {
                target = "field";
                FieldDeclaration field = (FieldDeclaration) body;
                if (field.fragments() != null && field.fragments().size() > 0) {
                    ASTNode first = (ASTNode) field.fragments().get(0);
                    if (first instanceof VariableDeclarationFragment) {
                        VariableDeclarationFragment decl = (VariableDeclarationFragment) first;
                        target = decl.getName().toString();
                    }
                }
            } else if (body instanceof AnonymousClassDeclaration) {
                target = "anonymous class";
            } else if (body instanceof TypeDeclaration) {
                target = ((TypeDeclaration) body).getName().toString();
            } else {
                target = body.getClass().getSimpleName();
            }

            // In class files, detectors can only find annotations on methods
            // and on classes, not on variable declarations
            if (isClassDetector && !(body instanceof MethodDeclaration || body instanceof TypeDeclaration
                    || body instanceof AnonymousClassDeclaration || body instanceof FieldDeclaration)) {
                continue;
            }

            String desc = String.format("Add @SuppressLint '%1$s\' to '%2$s'", id, target);
            resolutions.add(new AddSuppressAnnotation(id, marker, declaration, desc, null));

            if (api != -1
                    // @TargetApi is only valid on methods and classes, not fields etc
                    && (body instanceof MethodDeclaration || body instanceof TypeDeclaration)) {
                String apiString = SdkVersionInfo.getBuildCode(api);
                if (apiString == null) {
                    apiString = Integer.toString(api);
                }
                desc = String.format("Add @TargetApi(%1$s) to '%2$s'", apiString, target);
                resolutions.add(new AddSuppressAnnotation(id, marker, declaration, desc, apiString));
            }
        }
    }
}

From source file:com.android.ide.eclipse.auidt.internal.lint.AddSuppressAnnotation.java

License:Open Source License

/**
 * Adds any applicable suppress lint fix resolutions into the given list
 *
 * @param marker the marker to create fixes for
 * @param id the issue id/* ww w .  j  av  a  2  s .  co  m*/
 * @param resolutions a list to add the created resolutions into, if any
 */
public static void createFixes(IMarker marker, String id, List<IMarkerResolution> resolutions) {
    ITextEditor textEditor = AdtUtils.getActiveTextEditor();
    IDocumentProvider provider = textEditor.getDocumentProvider();
    IEditorInput editorInput = textEditor.getEditorInput();
    IDocument document = provider.getDocument(editorInput);
    if (document == null) {
        return;
    }
    IWorkingCopyManager manager = JavaUI.getWorkingCopyManager();
    ICompilationUnit compilationUnit = manager.getWorkingCopy(editorInput);
    int offset = 0;
    int length = 0;
    int start = marker.getAttribute(IMarker.CHAR_START, -1);
    int end = marker.getAttribute(IMarker.CHAR_END, -1);
    offset = start;
    length = end - start;
    CompilationUnit root = SharedASTProvider.getAST(compilationUnit, SharedASTProvider.WAIT_YES, null);
    if (root == null) {
        return;
    }

    int api = -1;
    if (id.equals(ApiDetector.UNSUPPORTED.getId())) {
        String message = marker.getAttribute(IMarker.MESSAGE, null);
        if (message != null) {
            Pattern pattern = Pattern.compile("\\s(\\d+)\\s"); //$NON-NLS-1$
            Matcher matcher = pattern.matcher(message);
            if (matcher.find()) {
                api = Integer.parseInt(matcher.group(1));
            }
        }
    }

    Issue issue = EclipseLintClient.getRegistry().getIssue(id);
    boolean isClassDetector = issue != null && issue.getScope().contains(Scope.CLASS_FILE);

    NodeFinder nodeFinder = new NodeFinder(root, offset, length);
    ASTNode coveringNode;
    if (offset <= 0) {
        // Error added on the first line of a Java class: typically from a class-based
        // detector which lacks line information. Map this to the top level class
        // in the file instead.
        coveringNode = root;
        if (root.types() != null && root.types().size() > 0) {
            Object type = root.types().get(0);
            if (type instanceof ASTNode) {
                coveringNode = (ASTNode) type;
            }
        }
    } else {
        coveringNode = nodeFinder.getCoveringNode();
    }
    for (ASTNode body = coveringNode; body != null; body = body.getParent()) {
        if (body instanceof BodyDeclaration) {
            BodyDeclaration declaration = (BodyDeclaration) body;

            String target = null;
            if (body instanceof MethodDeclaration) {
                target = ((MethodDeclaration) body).getName().toString() + "()"; //$NON-NLS-1$
            } else if (body instanceof FieldDeclaration) {
                target = "field";
                FieldDeclaration field = (FieldDeclaration) body;
                if (field.fragments() != null && field.fragments().size() > 0) {
                    ASTNode first = (ASTNode) field.fragments().get(0);
                    if (first instanceof VariableDeclarationFragment) {
                        VariableDeclarationFragment decl = (VariableDeclarationFragment) first;
                        target = decl.getName().toString();
                    }
                }
            } else if (body instanceof AnonymousClassDeclaration) {
                target = "anonymous class";
            } else if (body instanceof TypeDeclaration) {
                target = ((TypeDeclaration) body).getName().toString();
            } else {
                target = body.getClass().getSimpleName();
            }

            // In class files, detectors can only find annotations on methods
            // and on classes, not on variable declarations
            if (isClassDetector && !(body instanceof MethodDeclaration || body instanceof TypeDeclaration
                    || body instanceof AnonymousClassDeclaration || body instanceof FieldDeclaration)) {
                continue;
            }

            String desc = String.format("Add @SuppressLint '%1$s\' to '%2$s'", id, target);
            resolutions.add(new AddSuppressAnnotation(id, marker, declaration, desc, -1));

            if (api != -1
                    // @TargetApi is only valid on methods and classes, not fields etc
                    && (body instanceof MethodDeclaration || body instanceof TypeDeclaration)) {
                desc = String.format("Add @TargetApi(%1$d) to '%2$s'", api, target);
                resolutions.add(new AddSuppressAnnotation(id, marker, declaration, desc, api));
            }
        }
    }
}

From source file:edu.illinois.jflow.core.transformations.code.ExtractClosureRefactoring.java

License:Open Source License

private MethodDeclaration locateSelectedMethod() {
    NodeFinder nodeFinder = new NodeFinder(fRoot, fSelectionStart, fSelectionLength);
    ASTNode coveringNode = nodeFinder.getCoveringNode();
    MethodDeclaration methodDeclaration = (MethodDeclaration) ASTNodes.getParent(coveringNode,
            MethodDeclaration.class);
    return methodDeclaration;
}

From source file:edu.illinois.jflow.core.transformations.code.ExtractClosureRefactoring.java

License:Open Source License

private Statement locateEnclosingLoopStatement() {
    NodeFinder nodeFinder = new NodeFinder(fRoot, fSelectionStart, fSelectionLength);
    ASTNode node = nodeFinder.getCoveringNode();
    do {//from  www . j  a  v  a2 s .  c  om
        node = node.getParent();
    } while (node != null && !(node instanceof EnhancedForStatement || node instanceof ForStatement));
    return (Statement) node;
}

From source file:org.autorefactor.refactoring.rules.CommentsRefactoring.java

License:Open Source License

private ASTNode getNextNode(Comment node) {
    final int nodeEndPosition = node.getStartPosition() + node.getLength();
    final ASTNode coveringNode = getCoveringNode(node);
    final int parentNodeEndPosition = coveringNode.getStartPosition() + coveringNode.getLength();
    final NodeFinder finder = new NodeFinder(coveringNode, nodeEndPosition,
            parentNodeEndPosition - nodeEndPosition);
    if (node instanceof Javadoc) {
        return finder.getCoveringNode();
    }/*from ww w . jav  a  2  s.  c o m*/
    return finder.getCoveredNode();
}

From source file:org.autorefactor.refactoring.rules.CommentsRefactoring.java

License:Open Source License

private ASTNode getCoveringNode(int start, int length) {
    final NodeFinder finder = new NodeFinder(this.astRoot, start, length);
    return finder.getCoveringNode();
}

From source file:org.eclim.plugin.jdt.command.correct.ProblemLocation.java

License:Open Source License

/**
 * {@inheritDoc}//from  w  w  w .j  ava  2  s  .c om
 */
public ASTNode getCoveredNode(CompilationUnit astRoot) {
    NodeFinder finder = new NodeFinder(astRoot, offset, length);
    return finder.getCoveredNode();
}

From source file:org.eclim.plugin.jdt.command.correct.ProblemLocation.java

License:Open Source License

/**
 * {@inheritDoc}//from   w w  w .j  a v a  2s .c  om
 */
public ASTNode getCoveringNode(CompilationUnit astRoot) {
    NodeFinder finder = new NodeFinder(astRoot, offset, length);
    return finder.getCoveringNode();
}

From source file:org.eclim.plugin.jdt.util.ASTUtils.java

License:Open Source License

/**
 * Finds the node at the specified offset.
 *
 * @param cu The CompilationUnit./*w  w w  . j a va2  s  . c  o  m*/
 * @param offset The node offset in the compilation unit.
 * @return The node at the specified offset.
 */
public static ASTNode findNode(CompilationUnit cu, int offset) throws Exception {
    NodeFinder finder = new NodeFinder(cu, offset, 1);
    //return finder.getCoveredNode();
    return finder.getCoveringNode();
}

From source file:org.eclipse.ajdt.internal.ui.refactoring.pullout.PullOutRefactoring.java

License:Open Source License

/**
 * Find AST node corresponding to a given IMember.
 *//*from w ww  . jav  a  2 s.  c  o  m*/
private ASTNode findASTNode(ASTNode cuNode, IMember member) throws JavaModelException {
    ISourceRange range = member.getSourceRange();
    NodeFinder finder = new NodeFinder(cuNode, range.getOffset(), range.getLength());
    return finder.getCoveredNode();
    // Note: why we *have* to use getCoveredNode explicitly rather than use the
    // perform methods defined on NodeFinder.
    // See BUG 316945: Normally, we have exact positions and covering/covered are the same node.
    // but in the BUG case we should use the covered node since a JDT bug makes the source range 
    // be too large.
}