Examples with SourceElementParser org.eclipse.jdt.internal.compiler.SourceElementParser used on opensource projects

Example 1 with SourceElementParser

use of org.eclipse.jdt.internal.compiler.SourceElementParser in project che by eclipse.

the class SourceMapper method mapSource.

/**
     * Maps the given source code to the given binary type and its children.
     * If a non-null java element is passed, finds the name range for the
     * given java element without storing it.
     */
public synchronized ISourceRange mapSource(IType type, char[] contents, IBinaryType info, IJavaElement elementToFind) {
    this.binaryType = (BinaryType) type;
    // check whether it is already mapped
    if (this.sourceRanges.get(type) != null)
        return (elementToFind != null) ? getNameRange(elementToFind) : null;
    this.importsTable.remove(this.binaryType);
    this.importsCounterTable.remove(this.binaryType);
    this.searchedElement = elementToFind;
    this.types = new IType[1];
    this.typeDeclarationStarts = new int[1];
    this.typeNameRanges = new SourceRange[1];
    this.typeModifiers = new int[1];
    this.typeDepth = -1;
    this.memberDeclarationStart = new int[1];
    this.memberName = new String[1];
    this.memberNameRange = new SourceRange[1];
    this.methodParameterTypes = new char[1][][];
    this.methodParameterNames = new char[1][][];
    this.anonymousCounter = 0;
    HashMap oldSourceRanges = null;
    if (elementToFind != null) {
        oldSourceRanges = (HashMap) this.sourceRanges.clone();
    }
    try {
        IProblemFactory factory = new DefaultProblemFactory();
        SourceElementParser parser = null;
        this.anonymousClassName = 0;
        if (info == null) {
            try {
                info = (IBinaryType) this.binaryType.getElementInfo();
            } catch (JavaModelException e) {
                return null;
            }
        }
        boolean isAnonymousClass = info.isAnonymous();
        char[] fullName = info.getName();
        if (isAnonymousClass) {
            String eltName = this.binaryType.getParent().getElementName();
            eltName = eltName.substring(eltName.lastIndexOf('$') + 1, eltName.length());
            try {
                this.anonymousClassName = Integer.parseInt(eltName);
            } catch (NumberFormatException e) {
            // ignore
            }
        }
        boolean doFullParse = hasToRetrieveSourceRangesForLocalClass(fullName);
        parser = new SourceElementParser(this, factory, new CompilerOptions(this.options), doFullParse, true);
        // disable javadoc parsing
        parser.javadocParser.checkDocComment = false;
        IJavaElement javaElement = this.binaryType.getCompilationUnit();
        if (javaElement == null)
            javaElement = this.binaryType.getParent();
        parser.parseCompilationUnit(new BasicCompilationUnit(contents, null, this.binaryType.sourceFileName(info), javaElement), doFullParse, null);
        if (elementToFind != null) {
            ISourceRange range = getNameRange(elementToFind);
            return range;
        } else {
            return null;
        }
    } finally {
        if (elementToFind != null) {
            this.sourceRanges = oldSourceRanges;
        }
        this.binaryType = null;
        this.searchedElement = null;
        this.types = null;
        this.typeDeclarationStarts = null;
        this.typeNameRanges = null;
        this.typeDepth = -1;
    }
}

Example 2 with SourceElementParser

use of org.eclipse.jdt.internal.compiler.SourceElementParser in project che by eclipse.

the class IndexAllProject method execute.

/**
     * Ensure consistency of a project index. Need to walk all nested resources,
     * and discover resources which have either been changed, added or deleted
     * since the index was produced.
     */
public boolean execute(IProgressMonitor progressMonitor) {
    if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled())
        return true;
    // nothing to do
    if (!this.project.isAccessible())
        return true;
    ReadWriteMonitor monitor = null;
    try {
        // Get source folder entries. Libraries are done as a separate job
        JavaProject javaProject = (JavaProject) JavaCore.create(this.project);
        // Do not create marker while getting raw classpath (see bug 41859)
        IClasspathEntry[] entries = javaProject.getRawClasspath();
        int length = entries.length;
        IClasspathEntry[] sourceEntries = new IClasspathEntry[length];
        int sourceEntriesNumber = 0;
        for (int i = 0; i < length; i++) {
            IClasspathEntry entry = entries[i];
            if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE)
                sourceEntries[sourceEntriesNumber++] = entry;
        }
        if (sourceEntriesNumber == 0) {
            IPath projectPath = javaProject.getPath();
            for (int i = 0; i < length; i++) {
                IClasspathEntry entry = entries[i];
                if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY && entry.getPath().equals(projectPath)) {
                    // the project is also a library folder (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=89815)
                    // ensure a job exists to index it as a binary folder
                    this.manager.indexLibrary(projectPath, this.project, ((ClasspathEntry) entry).getLibraryIndexLocation());
                    return true;
                }
            }
            // nothing to index but want to save an empty index file so its not 'rebuilt' when part of a search request
            Index index = this.manager.getIndexForUpdate(this.containerPath, true, /*reuse index file*/
            true);
            if (index != null)
                this.manager.saveIndex(index);
            return true;
        }
        if (sourceEntriesNumber != length)
            System.arraycopy(sourceEntries, 0, sourceEntries = new IClasspathEntry[sourceEntriesNumber], 0, sourceEntriesNumber);
        Index index = this.manager.getIndexForUpdate(this.containerPath, true, /*reuse index file*/
        true);
        if (index == null)
            return true;
        monitor = index.monitor;
        // index got deleted since acquired
        if (monitor == null)
            return true;
        // ask permission to read
        monitor.enterRead();
        // all file names //$NON-NLS-1$
        String[] paths = index.queryDocumentNames("");
        int max = paths == null ? 0 : paths.length;
        final SimpleLookupTable indexedFileNames = new SimpleLookupTable(max == 0 ? 33 : max + 11);
        //$NON-NLS-1$
        final String OK = "OK";
        //$NON-NLS-1$
        final String DELETED = "DELETED";
        if (paths != null) {
            for (int i = 0; i < max; i++) indexedFileNames.put(paths[i], DELETED);
        }
        final long indexLastModified = max == 0 ? 0L : index.getIndexLastModified();
        IWorkspaceRoot root = this.project.getWorkspace().getRoot();
        for (int i = 0; i < sourceEntriesNumber; i++) {
            if (this.isCancelled)
                return false;
            IClasspathEntry entry = sourceEntries[i];
            IResource sourceFolder = root.findMember(entry.getPath());
            if (sourceFolder != null) {
                // collect output locations if source is project (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=32041)
                final HashSet outputs = new HashSet();
                if (sourceFolder.getType() == IResource.PROJECT) {
                    // Do not create marker while getting output location (see bug 41859)
                    outputs.add(javaProject.getOutputLocation());
                    for (int j = 0; j < sourceEntriesNumber; j++) {
                        IPath output = sourceEntries[j].getOutputLocation();
                        if (output != null) {
                            outputs.add(output);
                        }
                    }
                }
                final boolean hasOutputs = !outputs.isEmpty();
                final char[][] inclusionPatterns = ((ClasspathEntry) entry).fullInclusionPatternChars();
                final char[][] exclusionPatterns = ((ClasspathEntry) entry).fullExclusionPatternChars();
                if (max == 0) {
                    sourceFolder.accept(new IResourceProxyVisitor() {

                        public boolean visit(IResourceProxy proxy) {
                            if (IndexAllProject.this.isCancelled)
                                return false;
                            switch(proxy.getType()) {
                                case IResource.FILE:
                                    if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
                                        IFile file = (IFile) proxy.requestResource();
                                        if (exclusionPatterns != null || inclusionPatterns != null)
                                            if (Util.isExcluded(file, inclusionPatterns, exclusionPatterns))
                                                return false;
                                        indexedFileNames.put(Util.relativePath(file.getFullPath(), project.getFullPath().segmentCount()), file);
                                    }
                                    return false;
                                case IResource.FOLDER:
                                    if (exclusionPatterns != null && inclusionPatterns == null) {
                                        // if there are inclusion patterns then we must walk the children
                                        if (Util.isExcluded(proxy.requestFullPath(), inclusionPatterns, exclusionPatterns, true))
                                            return false;
                                    }
                                    if (hasOutputs && outputs.contains(proxy.requestFullPath()))
                                        return false;
                            }
                            return true;
                        }
                    }, IResource.NONE);
                } else {
                    sourceFolder.accept(new IResourceProxyVisitor() {

                        public boolean visit(IResourceProxy proxy) throws CoreException {
                            if (IndexAllProject.this.isCancelled)
                                return false;
                            switch(proxy.getType()) {
                                case IResource.FILE:
                                    if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
                                        IFile file = (IFile) proxy.requestResource();
                                        URI location = file.getLocationURI();
                                        if (location == null)
                                            return false;
                                        if (exclusionPatterns != null || inclusionPatterns != null)
                                            if (Util.isExcluded(file, inclusionPatterns, exclusionPatterns))
                                                return false;
                                        String relativePathString = Util.relativePath(file.getFullPath(), project.getFullPath().segmentCount());
                                        indexedFileNames.put(relativePathString, indexedFileNames.get(relativePathString) == null || indexLastModified < EFS.getStore(location).fetchInfo().getLastModified() ? (Object) file : (Object) OK);
                                    }
                                    return false;
                                case IResource.FOLDER:
                                    if (exclusionPatterns != null || inclusionPatterns != null)
                                        if (Util.isExcluded(proxy.requestResource(), inclusionPatterns, exclusionPatterns))
                                            return false;
                                    if (hasOutputs && outputs.contains(proxy.requestFullPath()))
                                        return false;
                            }
                            return true;
                        }
                    }, IResource.NONE);
                }
            }
        }
        SourceElementParser parser = this.manager.getSourceElementParser(javaProject, null);
        Object[] names = indexedFileNames.keyTable;
        Object[] values = indexedFileNames.valueTable;
        for (int i = 0, namesLength = names.length; i < namesLength; i++) {
            String name = (String) names[i];
            if (name != null) {
                if (this.isCancelled)
                    return false;
                Object value = values[i];
                if (value != OK) {
                    if (value == DELETED)
                        this.manager.remove(name, this.containerPath);
                    else
                        this.manager.addSource((IFile) value, this.containerPath, parser);
                }
            }
        }
        // request to save index when all cus have been indexed... also sets state to SAVED_STATE
        this.manager.request(new SaveIndex(this.containerPath, this.manager));
    } catch (CoreException e) {
        if (JobManager.VERBOSE) {
            Util.verbose("-> failed to index " + this.project + " because of the following exception:", //$NON-NLS-1$ //$NON-NLS-2$
            System.err);
            e.printStackTrace();
        }
        this.manager.removeIndex(this.containerPath);
        return false;
    } catch (IOException e) {
        if (JobManager.VERBOSE) {
            Util.verbose("-> failed to index " + this.project + " because of the following exception:", //$NON-NLS-1$ //$NON-NLS-2$
            System.err);
            e.printStackTrace();
        }
        this.manager.removeIndex(this.containerPath);
        return false;
    } finally {
        if (monitor != null)
            // free read lock
            monitor.exitRead();
    }
    return true;
}

Example 3 with SourceElementParser

use of org.eclipse.jdt.internal.compiler.SourceElementParser in project che by eclipse.

the class IndexManager method getSourceElementParser.

public SourceElementParser getSourceElementParser(IJavaProject project, ISourceElementRequestor requestor) {
    // disable task tags to speed up parsing
    Map options = project.getOptions(true);
    //$NON-NLS-1$
    options.put(JavaCore.COMPILER_TASK_TAGS, "");
    try {
        SourceElementParser parser = new IndexingParser(requestor, new DefaultProblemFactory(Locale.getDefault()), new CompilerOptions(options), // index local declarations
        true, // optimize string literals
        true, // do not use source javadoc parser to speed up parsing
        false);
        parser.reportOnlyOneSyntaxError = true;
        // Always check javadoc while indexing
        parser.javadocParser.checkDocComment = true;
        parser.javadocParser.reportProblems = false;
        return parser;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}