Examples with ASTNode org.eclipse.jdt.core.dom.ASTNode used on opensource projects

Example 91 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class SourceProvider method makeNamesUnique.

private void makeNamesUnique(ASTRewrite rewriter, CodeScopeBuilder.Scope scope) {
    Collection<NameData> usedCalleeNames = fAnalyzer.getUsedNames();
    for (Iterator<NameData> iter = usedCalleeNames.iterator(); iter.hasNext(); ) {
        SourceAnalyzer.NameData nd = iter.next();
        if (scope.isInUse(nd.getName())) {
            String newName = scope.createName(nd.getName(), true);
            List<SimpleName> references = nd.references();
            for (Iterator<SimpleName> refs = references.iterator(); refs.hasNext(); ) {
                SimpleName element = refs.next();
                ASTNode newNode = rewriter.createStringPlaceholder(newName, ASTNode.SIMPLE_NAME);
                rewriter.replace(element, newNode, null);
            }
        }
    }
}

Example 92 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class SourceProvider method getCodeBlocks.

public String[] getCodeBlocks(CallContext context, ImportRewrite importRewrite) throws CoreException {
    final ASTRewrite rewriter = ASTRewrite.create(fDeclaration.getAST());
    replaceParameterWithExpression(rewriter, context, importRewrite);
    updateImplicitReceivers(rewriter, context);
    makeNamesUnique(rewriter, context.scope);
    updateTypeReferences(rewriter, context);
    updateStaticReferences(rewriter, context);
    updateTypeVariables(rewriter, context);
    updateMethodTypeVariable(rewriter, context);
    List<IRegion> ranges = null;
    if (hasReturnValue()) {
        if (context.callMode == ASTNode.RETURN_STATEMENT) {
            ranges = getStatementRanges();
        } else {
            ranges = getExpressionRanges();
        }
    } else {
        ASTNode last = getLastStatement();
        if (last != null && last.getNodeType() == ASTNode.RETURN_STATEMENT) {
            ranges = getReturnStatementRanges();
        } else {
            ranges = getStatementRanges();
        }
    }
    final TextEdit dummy = rewriter.rewriteAST(fDocument, fTypeRoot.getJavaProject().getOptions(true));
    int size = ranges.size();
    RangeMarker[] markers = new RangeMarker[size];
    for (int i = 0; i < markers.length; i++) {
        IRegion range = ranges.get(i);
        markers[i] = new RangeMarker(range.getOffset(), range.getLength());
    }
    int split;
    if (size <= 1) {
        split = Integer.MAX_VALUE;
    } else {
        IRegion region = ranges.get(0);
        split = region.getOffset() + region.getLength();
    }
    TextEdit[] edits = dummy.removeChildren();
    for (int i = 0; i < edits.length; i++) {
        TextEdit edit = edits[i];
        int pos = edit.getOffset() >= split ? 1 : 0;
        markers[pos].addChild(edit);
    }
    MultiTextEdit root = new MultiTextEdit(0, fDocument.getLength());
    root.addChildren(markers);
    try {
        TextEditProcessor processor = new TextEditProcessor(fDocument, root, TextEdit.CREATE_UNDO | TextEdit.UPDATE_REGIONS);
        UndoEdit undo = processor.performEdits();
        String[] result = getBlocks(markers);
        // It is faster to undo the changes than coping the buffer over and over again.
        processor = new TextEditProcessor(fDocument, undo, TextEdit.UPDATE_REGIONS);
        processor.performEdits();
        return result;
    } catch (MalformedTreeException exception) {
        JavaPlugin.log(exception);
    } catch (BadLocationException exception) {
        JavaPlugin.log(exception);
    }
    return new String[] {};
}

Example 93 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class InOutFlowAnalyzer method perform.

public FlowInfo perform(ASTNode[] selectedNodes) {
    FlowContext context = getFlowContext();
    GenericSequentialFlowInfo result = createSequential();
    for (int i = 0; i < selectedNodes.length; i++) {
        ASTNode node = selectedNodes[i];
        node.accept(this);
        result.merge(getFlowInfo(node), context);
    }
    return result;
}

Example 94 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class ReplaceInvocationsRefactoring method checkFinalConditions.

@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
    //$NON-NLS-1$
    pm.beginTask("", 20);
    fChangeManager = new TextChangeManager();
    RefactoringStatus result = new RefactoringStatus();
    fSourceProvider = resolveSourceProvider(fMethodBinding, result);
    if (result.hasFatalError())
        return result;
    result.merge(fSourceProvider.checkActivation());
    if (result.hasFatalError())
        return result;
    fSourceProvider.initialize();
    fTargetProvider.initialize();
    pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_searching);
    RefactoringStatus searchStatus = new RefactoringStatus();
    String binaryRefsDescription = Messages.format(RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description, BasicElementLabels.getJavaElementName(fSourceProvider.getMethodName()));
    ReferencesInBinaryContext binaryRefs = new ReferencesInBinaryContext(binaryRefsDescription);
    ICompilationUnit[] units = fTargetProvider.getAffectedCompilationUnits(searchStatus, binaryRefs, new SubProgressMonitor(pm, 1));
    binaryRefs.addErrorIfNecessary(searchStatus);
    if (searchStatus.hasFatalError()) {
        result.merge(searchStatus);
        return result;
    }
    IFile[] filesToBeModified = getFilesToBeModified(units);
    result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
    if (result.hasFatalError())
        return result;
    result.merge(ResourceChangeChecker.checkFilesToBeChanged(filesToBeModified, new SubProgressMonitor(pm, 1)));
    checkOverridden(result, new SubProgressMonitor(pm, 4));
    IProgressMonitor sub = new SubProgressMonitor(pm, 15);
    //$NON-NLS-1$
    sub.beginTask("", units.length * 3);
    for (int c = 0; c < units.length; c++) {
        ICompilationUnit unit = units[c];
        sub.subTask(Messages.format(RefactoringCoreMessages.InlineMethodRefactoring_processing, BasicElementLabels.getFileName(unit)));
        CallInliner inliner = null;
        try {
            boolean added = false;
            MultiTextEdit root = new MultiTextEdit();
            CompilationUnitChange change = (CompilationUnitChange) fChangeManager.get(unit);
            change.setEdit(root);
            BodyDeclaration[] bodies = fTargetProvider.getAffectedBodyDeclarations(unit, new SubProgressMonitor(pm, 1));
            if (bodies.length == 0)
                continue;
            inliner = new CallInliner(unit, (CompilationUnit) bodies[0].getRoot(), fSourceProvider);
            for (int b = 0; b < bodies.length; b++) {
                BodyDeclaration body = bodies[b];
                inliner.initialize(body);
                RefactoringStatus nestedInvocations = new RefactoringStatus();
                ASTNode[] invocations = removeNestedCalls(nestedInvocations, unit, fTargetProvider.getInvocations(body, new SubProgressMonitor(sub, 2)));
                for (int i = 0; i < invocations.length; i++) {
                    ASTNode invocation = invocations[i];
                    result.merge(inliner.initialize(invocation, fTargetProvider.getStatusSeverity()));
                    if (result.hasFatalError())
                        break;
                    if (result.getSeverity() < fTargetProvider.getStatusSeverity()) {
                        added = true;
                        TextEditGroup group = new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_inline);
                        change.addTextEditGroup(group);
                        result.merge(inliner.perform(group));
                    }
                }
                // do this after we have inlined the method calls. We still want
                // to generate the modifications.
                result.merge(nestedInvocations);
            }
            if (!added) {
                fChangeManager.remove(unit);
            } else {
                root.addChild(inliner.getModifications());
                ImportRewrite rewrite = inliner.getImportEdit();
                if (rewrite.hasRecordedChanges()) {
                    TextEdit edit = rewrite.rewriteImports(null);
                    if (edit instanceof MultiTextEdit ? ((MultiTextEdit) edit).getChildrenSize() > 0 : true) {
                        root.addChild(edit);
                        change.addTextEditGroup(new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_import, new TextEdit[] { edit }));
                    }
                }
            }
        } finally {
            if (inliner != null)
                inliner.dispose();
        }
        sub.worked(1);
        if (sub.isCanceled())
            throw new OperationCanceledException();
    }
    result.merge(searchStatus);
    sub.done();
    pm.done();
    return result;
}

Example 95 with ASTNode

use of org.eclipse.jdt.core.dom.ASTNode in project che by eclipse.

the class ReorgCorrectionsSubProcessor method getWrongTypeNameProposals.

public static void getWrongTypeNameProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    ICompilationUnit cu = context.getCompilationUnit();
    boolean isLinked = cu.getResource().isLinked();
    IJavaProject javaProject = cu.getJavaProject();
    String sourceLevel = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
    String compliance = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
    CompilationUnit root = context.getASTRoot();
    ASTNode coveredNode = problem.getCoveredNode(root);
    if (!(coveredNode instanceof SimpleName))
        return;
    ASTNode parentType = coveredNode.getParent();
    if (!(parentType instanceof AbstractTypeDeclaration))
        return;
    String currTypeName = ((SimpleName) coveredNode).getIdentifier();
    String newTypeName = JavaCore.removeJavaLikeExtension(cu.getElementName());
    boolean hasOtherPublicTypeBefore = false;
    boolean found = false;
    List<AbstractTypeDeclaration> types = root.types();
    for (int i = 0; i < types.size(); i++) {
        AbstractTypeDeclaration curr = types.get(i);
        if (parentType != curr) {
            if (newTypeName.equals(curr.getName().getIdentifier())) {
                return;
            }
            if (!found && Modifier.isPublic(curr.getModifiers())) {
                hasOtherPublicTypeBefore = true;
            }
        } else {
            found = true;
        }
    }
    if (!JavaConventions.validateJavaTypeName(newTypeName, sourceLevel, compliance).matches(IStatus.ERROR)) {
        proposals.add(new CorrectMainTypeNameProposal(cu, context, currTypeName, newTypeName, IProposalRelevance.RENAME_TYPE));
    }
    if (!hasOtherPublicTypeBefore) {
        String newCUName = JavaModelUtil.getRenamedCUName(cu, currTypeName);
        ICompilationUnit newCU = ((IPackageFragment) (cu.getParent())).getCompilationUnit(newCUName);
        if (!newCU.exists() && !isLinked && !JavaConventions.validateCompilationUnitName(newCUName, sourceLevel, compliance).matches(IStatus.ERROR)) {
            RenameCompilationUnitChange change = new RenameCompilationUnitChange(cu, newCUName);
            // rename CU
            String label = Messages.format(CorrectionMessages.ReorgCorrectionsSubProcessor_renamecu_description, BasicElementLabels.getResourceName(newCUName));
            proposals.add(new ChangeCorrectionProposal(label, change, IProposalRelevance.RENAME_CU, JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_RENAME)));
        }
    }
}