Example usage for org.eclipse.jdt.core.compiler CharOperation NO_CHAR

List of usage examples for org.eclipse.jdt.core.compiler CharOperation NO_CHAR

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In this page you can find the example usage for org.eclipse.jdt.core.compiler CharOperation NO_CHAR.

Prototype

null NO_CHAR

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Constant for an empty char array

Usage

From source file:com.codenvy.ide.ext.java.server.internal.codeassist.impl.Engine.java

License:Open Source License

public void initializePackageCache() {
    if (this.unitScope.fPackage != null) {
        this.currentPackageName = CharOperation.concatWith(this.unitScope.fPackage.compoundName, '.');
    } else if (this.unitScope.referenceContext != null
            && this.unitScope.referenceContext.currentPackage != null) {
        this.currentPackageName = CharOperation
                .concatWith(this.unitScope.referenceContext.currentPackage.tokens, '.');
    } else {/* w ww.j  a va 2s .  co  m*/
        this.currentPackageName = CharOperation.NO_CHAR;
    }
}

From source file:com.codenvy.ide.ext.java.server.internal.codeassist.SelectionEngine.java

License:Open Source License

private boolean checkSelection(char[] source, int selectionStart, int selectionEnd) {

    Scanner scanner = new Scanner(false /*comment*/, false /*whitespace*/, false /*nls*/,
            this.compilerOptions.sourceLevel, this.compilerOptions.complianceLevel, null/*taskTag*/,
            null/*taskPriorities*/, true /*taskCaseSensitive*/);
    scanner.setSource(source);//from   ww w . ja  va 2  s  .  c  om

    int lastIdentifierStart = -1;
    int lastIdentifierEnd = -1;
    char[] lastIdentifier = null;
    int token;

    if (selectionStart > selectionEnd) {
        int end = source.length - 1;

        // compute start position of current line
        int currentPosition = selectionStart - 1;
        int nextCharacterPosition = selectionStart;
        char currentCharacter = ' ';
        try {
            lineLoop: while (currentPosition > 0) {

                if (source[currentPosition] == '\\' && source[currentPosition + 1] == 'u') {
                    int pos = currentPosition + 2;
                    int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
                    while (source[pos] == 'u') {
                        pos++;
                    }

                    int endOfUnicode = pos + 3;
                    if (end < endOfUnicode) {
                        if (endOfUnicode < source.length) {
                            end = endOfUnicode;
                        } else {
                            return false; // not enough characters to decode an unicode
                        }
                    }

                    if ((c1 = ScannerHelper.getHexadecimalValue(source[pos++])) > 15 || c1 < 0
                            || (c2 = ScannerHelper.getHexadecimalValue(source[pos++])) > 15 || c2 < 0
                            || (c3 = ScannerHelper.getHexadecimalValue(source[pos++])) > 15 || c3 < 0
                            || (c4 = ScannerHelper.getHexadecimalValue(source[pos++])) > 15 || c4 < 0) {
                        return false;
                    } else {
                        currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
                        nextCharacterPosition = pos;
                    }
                } else {
                    currentCharacter = source[currentPosition];
                    nextCharacterPosition = currentPosition + 1;
                }

                switch (currentCharacter) {
                case '\r':
                case '\n':
                case '/':
                case '"':
                case '\'':
                    break lineLoop;
                }
                currentPosition--;
            }
        } catch (ArrayIndexOutOfBoundsException e) {
            return false;
        }

        // compute start and end of the last token
        scanner.resetTo(nextCharacterPosition, end);
        isolateLastName: do {
            try {
                token = scanner.getNextToken();
            } catch (InvalidInputException e) {
                return false;
            }
            switch (token) {
            case TerminalTokens.TokenNamethis:
            case TerminalTokens.TokenNamesuper:
            case TerminalTokens.TokenNamenew:
            case TerminalTokens.TokenNameIdentifier:
                if (scanner.startPosition <= selectionStart && selectionStart <= scanner.currentPosition) {
                    if (scanner.currentPosition == scanner.eofPosition) {
                        int temp = scanner.eofPosition;
                        scanner.eofPosition = scanner.source.length;
                        while (scanner.getNextCharAsJavaIdentifierPart()) {
                            /*empty*/}
                        scanner.eofPosition = temp;
                    }
                    lastIdentifierStart = scanner.startPosition;
                    lastIdentifierEnd = scanner.currentPosition - 1;
                    lastIdentifier = scanner.getCurrentTokenSource();
                    break isolateLastName;
                }
                break;
            }
        } while (token != TerminalTokens.TokenNameEOF);
    } else {
        if (selectionStart == selectionEnd) { // Widen the selection to scan -> || :: if needed. No unicode handling for now.
            if (selectionStart > 0 && selectionEnd < source.length - 1) {
                if ((source[selectionStart] == '>' && source[selectionStart - 1] == '-')
                        || source[selectionStart] == ':' && source[selectionStart - 1] == ':') {
                    selectionStart--;
                } else {
                    if ((source[selectionStart] == '-' && source[selectionEnd + 1] == '>')
                            || source[selectionStart] == ':' && source[selectionEnd + 1] == ':') {
                        selectionEnd++;
                    }
                }
            }
        } // there could be some innocuous widening, shouldn't matter.
        scanner.resetTo(selectionStart, selectionEnd);

        boolean expectingIdentifier = true;
        do {
            try {
                token = scanner.getNextToken();
            } catch (InvalidInputException e) {
                return false;
            }
            switch (token) {
            case TerminalTokens.TokenNamethis:
            case TerminalTokens.TokenNamesuper:
            case TerminalTokens.TokenNamenew:
            case TerminalTokens.TokenNameIdentifier:
                if (!expectingIdentifier)
                    return false;
                lastIdentifier = scanner.getCurrentTokenSource();
                lastIdentifierStart = scanner.startPosition;
                lastIdentifierEnd = scanner.currentPosition - 1;
                if (lastIdentifierEnd > selectionEnd) {
                    lastIdentifierEnd = selectionEnd;
                    lastIdentifier = CharOperation.subarray(lastIdentifier, 0,
                            lastIdentifierEnd - lastIdentifierStart + 1);
                }
                expectingIdentifier = false;
                break;
            case TerminalTokens.TokenNameCOLON_COLON:
                if (selectionStart >= scanner.startPosition && selectionEnd < scanner.currentPosition) {
                    this.actualSelectionStart = selectionStart;
                    this.actualSelectionEnd = selectionEnd;
                    this.selectedIdentifier = CharOperation.NO_CHAR;
                    return true;
                }
                //$FALL-THROUGH$
            case TerminalTokens.TokenNameDOT:
                if (expectingIdentifier)
                    return false;
                expectingIdentifier = true;
                break;
            case TerminalTokens.TokenNameEOF:
                if (expectingIdentifier)
                    return false;
                break;
            case TerminalTokens.TokenNameLESS:
                if (!checkTypeArgument(scanner))
                    return false;
                break;
            case TerminalTokens.TokenNameAT:
                if (scanner.startPosition != scanner.initialPosition)
                    return false;
                break;
            case TerminalTokens.TokenNameARROW:
                if (selectionStart >= scanner.startPosition && selectionEnd < scanner.currentPosition) {
                    this.actualSelectionStart = selectionStart;
                    this.actualSelectionEnd = selectionEnd;
                    this.selectedIdentifier = CharOperation.NO_CHAR;
                    return true;
                }
                return false;
            default:
                return false;
            }
        } while (token != TerminalTokens.TokenNameEOF);
    }
    if (lastIdentifierStart > 0) {
        this.actualSelectionStart = lastIdentifierStart;
        this.actualSelectionEnd = lastIdentifierEnd;
        this.selectedIdentifier = lastIdentifier;
        return true;
    }
    return false;
}

From source file:com.codenvy.ide.ext.java.server.internal.codeassist.SelectionEngine.java

License:Open Source License

private boolean selectDeclaration(CompilationUnitDeclaration compilationUnit) {

    // the selected identifier is not identical to the parser one (equals but not identical),
    // for traversing the parse tree, the parser assist identifier is necessary for identitiy checks
    char[] assistIdentifier = getParser().assistIdentifier();
    if (assistIdentifier == null)
        return false;

    ImportReference currentPackage = compilationUnit.currentPackage;
    char[] packageName = currentPackage == null ? CharOperation.NO_CHAR
            : CharOperation.concatWith(currentPackage.tokens, '.');
    // iterate over the types
    TypeDeclaration[] types = compilationUnit.types;
    for (int i = 0, length = types == null ? 0 : types.length; i < length; i++) {
        if (selectDeclaration(types[i], assistIdentifier, packageName))
            return true;
    }//  ww w.j  av  a 2  s.  c om
    return false;
}

From source file:com.codenvy.ide.ext.java.server.internal.compiler.parser.SourceTypeConverter.java

License:Open Source License

private TypeDeclaration convert(SourceType typeHandle, CompilationResult compilationResult)
        throws JavaModelException {
    SourceTypeElementInfo typeInfo = (SourceTypeElementInfo) typeHandle.getElementInfo();
    if (typeInfo.isAnonymousMember())
        throw new AnonymousMemberFound();
    /* create type declaration - can be member type */
    TypeDeclaration type = new TypeDeclaration(compilationResult);
    if (typeInfo.getEnclosingType() == null) {
        if (typeHandle.isAnonymous()) {
            type.name = CharOperation.NO_CHAR;
            type.bits |= (ASTNode.IsAnonymousType | ASTNode.IsLocalType);
        } else {//w  ww .  ja v  a 2s  .  co m
            if (typeHandle.isLocal()) {
                type.bits |= ASTNode.IsLocalType;
            }
        }
    } else {
        type.bits |= ASTNode.IsMemberType;
    }
    if ((type.bits & ASTNode.IsAnonymousType) == 0) {
        type.name = typeInfo.getName();
    }
    type.name = typeInfo.getName();
    int start, end; // only positions available
    type.sourceStart = start = typeInfo.getNameSourceStart();
    type.sourceEnd = end = typeInfo.getNameSourceEnd();
    type.modifiers = typeInfo.getModifiers();
    type.declarationSourceStart = typeInfo.getDeclarationSourceStart();
    type.declarationSourceEnd = typeInfo.getDeclarationSourceEnd();
    type.bodyEnd = type.declarationSourceEnd;

    // convert 1.5 specific constructs only if compliance is 1.5 or above
    if (this.has1_5Compliance) {
        /* convert annotations */
        type.annotations = convertAnnotations(typeHandle);
    }
    /* https://bugs.eclipse.org/bugs/show_bug.cgi?id=324850, even in a 1.4 project, we
       must internalize type variables and observe any parameterization of super class
       and/or super interfaces in order to be able to detect overriding in the presence
       of generics.
     */
    char[][] typeParameterNames = typeInfo.getTypeParameterNames();
    if (typeParameterNames.length > 0) {
        int parameterCount = typeParameterNames.length;
        char[][][] typeParameterBounds = typeInfo.getTypeParameterBounds();
        type.typeParameters = new TypeParameter[parameterCount];
        for (int i = 0; i < parameterCount; i++) {
            type.typeParameters[i] = createTypeParameter(typeParameterNames[i], typeParameterBounds[i], start,
                    end);
        }
    }

    /* set superclass and superinterfaces */
    if (typeInfo.getSuperclassName() != null) {
        type.superclass = createTypeReference(typeInfo.getSuperclassName(), start, end,
                true /* include generics */);
        type.superclass.bits |= ASTNode.IsSuperType;
    }
    char[][] interfaceNames = typeInfo.getInterfaceNames();
    int interfaceCount = interfaceNames == null ? 0 : interfaceNames.length;
    if (interfaceCount > 0) {
        type.superInterfaces = new TypeReference[interfaceCount];
        for (int i = 0; i < interfaceCount; i++) {
            type.superInterfaces[i] = createTypeReference(interfaceNames[i], start, end,
                    true /* include generics */);
            type.superInterfaces[i].bits |= ASTNode.IsSuperType;
        }
    }
    /* convert member types */
    if ((this.flags & MEMBER_TYPE) != 0) {
        SourceType[] sourceMemberTypes = typeInfo.getMemberTypeHandles();
        int sourceMemberTypeCount = sourceMemberTypes.length;
        type.memberTypes = new TypeDeclaration[sourceMemberTypeCount];
        for (int i = 0; i < sourceMemberTypeCount; i++) {
            type.memberTypes[i] = convert(sourceMemberTypes[i], compilationResult);
            type.memberTypes[i].enclosingType = type;
        }
    }

    /* convert intializers and fields*/
    InitializerElementInfo[] initializers = null;
    int initializerCount = 0;
    if ((this.flags & LOCAL_TYPE) != 0) {
        initializers = typeInfo.getInitializers();
        initializerCount = initializers.length;
    }
    SourceField[] sourceFields = null;
    int sourceFieldCount = 0;
    if ((this.flags & FIELD) != 0) {
        sourceFields = typeInfo.getFieldHandles();
        sourceFieldCount = sourceFields.length;
    }
    int length = initializerCount + sourceFieldCount;
    if (length > 0) {
        type.fields = new FieldDeclaration[length];
        for (int i = 0; i < initializerCount; i++) {
            type.fields[i] = convert(initializers[i], compilationResult);
        }
        int index = 0;
        for (int i = initializerCount; i < length; i++) {
            type.fields[i] = convert(sourceFields[index++], type, compilationResult);
        }
    }

    /* convert methods - need to add default constructor if necessary */
    boolean needConstructor = (this.flags & CONSTRUCTOR) != 0;
    boolean needMethod = (this.flags & METHOD) != 0;
    if (needConstructor || needMethod) {

        SourceMethod[] sourceMethods = typeInfo.getMethodHandles();
        int sourceMethodCount = sourceMethods.length;

        /* source type has a constructor ?           */
        /* by default, we assume that one is needed. */
        int extraConstructor = 0;
        int methodCount = 0;
        int kind = TypeDeclaration.kind(type.modifiers);
        boolean isAbstract = kind == TypeDeclaration.INTERFACE_DECL
                || kind == TypeDeclaration.ANNOTATION_TYPE_DECL;
        if (!isAbstract) {
            extraConstructor = needConstructor ? 1 : 0;
            for (int i = 0; i < sourceMethodCount; i++) {
                if (sourceMethods[i].isConstructor()) {
                    if (needConstructor) {
                        extraConstructor = 0; // Does not need the extra constructor since one constructor already exists.
                        methodCount++;
                    }
                } else if (needMethod) {
                    methodCount++;
                }
            }
        } else {
            methodCount = needMethod ? sourceMethodCount : 0;
        }
        type.methods = new AbstractMethodDeclaration[methodCount + extraConstructor];
        if (extraConstructor != 0) { // add default constructor in first position
            type.methods[0] = type.createDefaultConstructor(false, false);
        }
        int index = 0;
        boolean hasAbstractMethods = false;
        for (int i = 0; i < sourceMethodCount; i++) {
            SourceMethod sourceMethod = sourceMethods[i];
            SourceMethodElementInfo methodInfo = (SourceMethodElementInfo) sourceMethod.getElementInfo();
            boolean isConstructor = methodInfo.isConstructor();
            if ((methodInfo.getModifiers() & ClassFileConstants.AccAbstract) != 0) {
                hasAbstractMethods = true;
            }
            if ((isConstructor && needConstructor) || (!isConstructor && needMethod)) {
                AbstractMethodDeclaration method = convert(sourceMethod, methodInfo, compilationResult);
                if (isAbstract || method.isAbstract()) { // fix-up flag
                    method.modifiers |= ExtraCompilerModifiers.AccSemicolonBody;
                }
                type.methods[extraConstructor + index++] = method;
            }
        }
        if (hasAbstractMethods)
            type.bits |= ASTNode.HasAbstractMethods;
    }

    return type;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.BasicCompilationUnit.java

License:Open Source License

public char[] getContents() {
    if (this.contents != null)
        return this.contents; // answer the cached source

    // otherwise retrieve it
    try {//from  w w w  .  j  ava  2s.  co m
        return Util.getFileCharContent(new File(new String(this.fileName)), this.encoding);
    } catch (IOException e) {
        // could not read file: returns an empty array
    }
    return CharOperation.NO_CHAR;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.CompilationUnit.java

License:Open Source License

/**
 * @see org.eclipse.jdt.internal.compiler.env.ICompilationUnit#getContents()
 *///from w  w w  .  j a  va 2 s.co  m
public char[] getContents() {
    IBuffer buffer = getBufferManager().getBuffer(this);
    if (buffer == null) {
        // no need to force opening of CU to get the content
        // also this cannot be a working copy, as its buffer is never closed while the working copy is alive
        File file = resource();
        // Get encoding from file
        String encoding;
        encoding = "UTF-8"; //file.getCharset();
        try {
            return Util.getResourceContentsAsCharArray(file, encoding);
        } catch (JavaModelException e) {
            if (manager.abortOnMissingSource.get() == Boolean.TRUE) {
                IOException ioException = e.getJavaModelStatus()
                        .getCode() == IJavaModelStatusConstants.IO_EXCEPTION ? (IOException) e.getException()
                                : new IOException(e.getMessage());
                throw new AbortCompilationUnit(null, ioException, encoding);
            } else {
                Util.log(e, Messages.bind(Messages.file_notFound, file.getAbsolutePath()));
            }
            return CharOperation.NO_CHAR;
        }
    }
    char[] contents = buffer.getCharacters();
    if (contents == null) { // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=129814
        if (manager.abortOnMissingSource.get() == Boolean.TRUE) {
            IOException ioException = new IOException(Messages.buffer_closed);
            IFile file = (IFile) getResource();
            // Get encoding from file
            String encoding;
            try {
                encoding = file.getCharset();
            } catch (CoreException ce) {
                // do not use any encoding
                encoding = null;
            }
            throw new AbortCompilationUnit(null, ioException, encoding);
        }
        return CharOperation.NO_CHAR;
    }
    return contents;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.CompilationUnit.java

License:Open Source License

/**
 * @see Openable#openBuffer(org.eclipse.core.runtime.IProgressMonitor, Object)
 */// w ww .  j  a v  a 2 s  . c  o m
protected IBuffer openBuffer(IProgressMonitor pm, Object info) throws JavaModelException {

    // create buffer
    BufferManager bufManager = getBufferManager();
    boolean isWorkingCopy = isWorkingCopy();
    IBuffer buffer = isWorkingCopy ? this.owner.createBuffer(this) : BufferManager.createBuffer(this);
    if (buffer == null)
        return null;

    ICompilationUnit original = null;
    boolean mustSetToOriginalContent = false;
    if (isWorkingCopy) {
        // ensure that isOpen() is called outside the bufManager synchronized block
        // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=237772
        mustSetToOriginalContent = !isPrimary()
                && (original = new CompilationUnit((PackageFragment) getParent(), manager, getElementName(),
                        DefaultWorkingCopyOwner.PRIMARY)).isOpen();
    }

    // synchronize to ensure that 2 threads are not putting 2 different buffers at the same time
    // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=146331
    synchronized (bufManager) {
        IBuffer existingBuffer = bufManager.getBuffer(this);
        if (existingBuffer != null)
            return existingBuffer;

        // set the buffer source
        if (buffer.getCharacters() == null) {
            if (isWorkingCopy) {
                if (mustSetToOriginalContent) {
                    buffer.setContents(original.getSource());
                } else {
                    File file = resource();
                    if (file == null || !file.exists()) {
                        // initialize buffer with empty contents
                        buffer.setContents(CharOperation.NO_CHAR);
                    } else {
                        buffer.setContents(Util.getResourceContentsAsCharArray(file));
                    }
                }
            } else {
                File file = resource();
                if (file == null || !file.exists())
                    throw newNotPresentException();
                buffer.setContents(Util.getResourceContentsAsCharArray(file));
            }
        }

        // add buffer to buffer cache
        // note this may cause existing buffers to be removed from the buffer cache, but only primary compilation unit's buffer
        // can be closed, thus no call to a client's IBuffer#close() can be done in this synchronized block.
        bufManager.addBuffer(buffer);

        // listen to buffer changes
        buffer.addBufferChangedListener(this);
    }
    return buffer;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.BasicSearchEngine.java

License:Open Source License

public void searchAllConstructorDeclarations(final char[] packageName, final char[] typeName,
        final int typeMatchRule, IJavaSearchScope scope,
        final IRestrictedAccessConstructorRequestor nameRequestor, int waitingPolicy,
        IProgressMonitor progressMonitor) throws JavaModelException {

    // Validate match rule first
    final int validatedTypeMatchRule = SearchPattern
            .validateMatchRule(typeName == null ? null : new String(typeName), typeMatchRule);

    final int pkgMatchRule = SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE;
    final char NoSuffix = IIndexConstants.TYPE_SUFFIX; // Used as TYPE_SUFFIX has no effect in method #match(char, char[] , int, char[], int , int, char[], char[])

    // Debug// w  ww .  j av a2  s  . co  m
    if (VERBOSE) {
        Util.verbose(
                "BasicSearchEngine.searchAllConstructorDeclarations(char[], char[], int, IJavaSearchScope, IRestrictedAccessConstructorRequestor, int, IProgressMonitor)"); //$NON-NLS-1$
        Util.verbose("   - package name: " + (packageName == null ? "null" : new String(packageName))); //$NON-NLS-1$ //$NON-NLS-2$
        Util.verbose("   - type name: " + (typeName == null ? "null" : new String(typeName))); //$NON-NLS-1$ //$NON-NLS-2$
        Util.verbose("   - type match rule: " + getMatchRuleString(typeMatchRule)); //$NON-NLS-1$
        if (validatedTypeMatchRule != typeMatchRule) {
            Util.verbose("   - validated type match rule: " + getMatchRuleString(validatedTypeMatchRule)); //$NON-NLS-1$
        }
        Util.verbose("   - scope: " + scope); //$NON-NLS-1$
    }
    if (validatedTypeMatchRule == -1)
        return; // invalid match rule => return no results

    // Create pattern
    final ConstructorDeclarationPattern pattern = new ConstructorDeclarationPattern(packageName, typeName,
            validatedTypeMatchRule);

    // Get working copy path(s). Store in a single string in case of only one to optimize comparison in requestor
    final HashSet workingCopyPaths = new HashSet();
    String workingCopyPath = null;
    ICompilationUnit[] copies = getWorkingCopies();
    final int copiesLength = copies == null ? 0 : copies.length;
    if (copies != null) {
        if (copiesLength == 1) {
            workingCopyPath = copies[0].getPath().toString();
        } else {
            for (int i = 0; i < copiesLength; i++) {
                ICompilationUnit workingCopy = copies[i];
                workingCopyPaths.add(workingCopy.getPath().toString());
            }
        }
    }
    final String singleWkcpPath = workingCopyPath;

    // Index requestor
    IndexQueryRequestor searchRequestor = new IndexQueryRequestor() {
        public boolean acceptIndexMatch(String documentPath, SearchPattern indexRecord,
                SearchParticipant participant, AccessRuleSet access) {
            // Filter unexpected types
            ConstructorDeclarationPattern record = (ConstructorDeclarationPattern) indexRecord;

            if ((record.extraFlags & ExtraFlags.IsMemberType) != 0) {
                return true; // filter out member classes
            }
            if ((record.extraFlags & ExtraFlags.IsLocalType) != 0) {
                return true; // filter out local and anonymous classes
            }
            switch (copiesLength) {
            case 0:
                break;
            case 1:
                if (singleWkcpPath.equals(documentPath)) {
                    return true; // filter out *the* working copy
                }
                break;
            default:
                if (workingCopyPaths.contains(documentPath)) {
                    return true; // filter out working copies
                }
                break;
            }

            // Accept document path
            AccessRestriction accessRestriction = null;
            if (access != null) {
                // Compute document relative path
                int pkgLength = (record.declaringPackageName == null || record.declaringPackageName.length == 0)
                        ? 0
                        : record.declaringPackageName.length + 1;
                int nameLength = record.declaringSimpleName == null ? 0 : record.declaringSimpleName.length;
                char[] path = new char[pkgLength + nameLength];
                int pos = 0;
                if (pkgLength > 0) {
                    System.arraycopy(record.declaringPackageName, 0, path, pos, pkgLength - 1);
                    CharOperation.replace(path, '.', '/');
                    path[pkgLength - 1] = '/';
                    pos += pkgLength;
                }
                if (nameLength > 0) {
                    System.arraycopy(record.declaringSimpleName, 0, path, pos, nameLength);
                    pos += nameLength;
                }
                // Update access restriction if path is not empty
                if (pos > 0) {
                    accessRestriction = access.getViolatedRestriction(path);
                }
            }
            nameRequestor.acceptConstructor(record.modifiers, record.declaringSimpleName, record.parameterCount,
                    record.signature, record.parameterTypes, record.parameterNames,
                    record.declaringTypeModifiers, record.declaringPackageName, record.extraFlags, documentPath,
                    accessRestriction);
            return true;
        }
    };

    try {
        if (progressMonitor != null) {
            progressMonitor.beginTask(Messages.engine_searching, 1000);
        }
        // add type names from indexes
        indexManager.performConcurrentJob(
                new PatternSearchJob(pattern, getDefaultSearchParticipant(indexManager), // Java search only
                        scope, searchRequestor, indexManager),
                waitingPolicy,
                progressMonitor == null ? null : new SubProgressMonitor(progressMonitor, 1000 - copiesLength));

        // add type names from working copies
        if (copies != null) {
            for (int i = 0; i < copiesLength; i++) {
                final ICompilationUnit workingCopy = copies[i];
                if (scope instanceof HierarchyScope) {
                    if (!((HierarchyScope) scope).encloses(workingCopy, progressMonitor))
                        continue;
                } else {
                    if (!scope.encloses(workingCopy))
                        continue;
                }

                final String path = workingCopy.getPath().toString();
                if (workingCopy.isConsistent()) {
                    IPackageDeclaration[] packageDeclarations = workingCopy.getPackageDeclarations();
                    char[] packageDeclaration = packageDeclarations.length == 0 ? CharOperation.NO_CHAR
                            : packageDeclarations[0].getElementName().toCharArray();
                    IType[] allTypes = workingCopy.getAllTypes();
                    for (int j = 0, allTypesLength = allTypes.length; j < allTypesLength; j++) {
                        IType type = allTypes[j];
                        char[] simpleName = type.getElementName().toCharArray();
                        if (match(NoSuffix, packageName, pkgMatchRule, typeName, validatedTypeMatchRule,
                                0/*no kind*/, packageDeclaration, simpleName) && !type.isMember()) {

                            int extraFlags = ExtraFlags.getExtraFlags(type);

                            boolean hasConstructor = false;

                            IMethod[] methods = type.getMethods();
                            for (int k = 0; k < methods.length; k++) {
                                IMethod method = methods[k];
                                if (method.isConstructor()) {
                                    hasConstructor = true;

                                    String[] stringParameterNames = method.getParameterNames();
                                    String[] stringParameterTypes = method.getParameterTypes();
                                    int length = stringParameterNames.length;
                                    char[][] parameterNames = new char[length][];
                                    char[][] parameterTypes = new char[length][];
                                    for (int l = 0; l < length; l++) {
                                        parameterNames[l] = stringParameterNames[l].toCharArray();
                                        parameterTypes[l] = Signature.toCharArray(Signature
                                                .getTypeErasure(stringParameterTypes[l]).toCharArray());
                                    }

                                    nameRequestor.acceptConstructor(method.getFlags(), simpleName,
                                            parameterNames.length, null, // signature is not used for source type
                                            parameterTypes, parameterNames, type.getFlags(), packageDeclaration,
                                            extraFlags, path, null);
                                }
                            }

                            if (!hasConstructor) {
                                nameRequestor.acceptConstructor(Flags.AccPublic, simpleName, -1, null, // signature is not used for source type
                                        CharOperation.NO_CHAR_CHAR, CharOperation.NO_CHAR_CHAR, type.getFlags(),
                                        packageDeclaration, extraFlags, path, null);
                            }
                        }
                    }
                } else {
                    Parser basicParser = getParser();
                    org.eclipse.jdt.internal.compiler.env.ICompilationUnit unit = (org.eclipse.jdt.internal.compiler.env.ICompilationUnit) workingCopy;
                    CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0,
                            this.compilerOptions.maxProblemsPerUnit);
                    CompilationUnitDeclaration parsedUnit = basicParser.dietParse(unit, compilationUnitResult);
                    if (parsedUnit != null) {
                        final char[] packageDeclaration = parsedUnit.currentPackage == null
                                ? CharOperation.NO_CHAR
                                : CharOperation.concatWith(parsedUnit.currentPackage.getImportName(), '.');
                        class AllConstructorDeclarationsVisitor extends ASTVisitor {
                            private TypeDeclaration[] declaringTypes = new TypeDeclaration[0];
                            private int declaringTypesPtr = -1;

                            private void endVisit(TypeDeclaration typeDeclaration) {
                                if (!hasConstructor(typeDeclaration) && typeDeclaration.enclosingType == null) {

                                    if (match(NoSuffix, packageName, pkgMatchRule, typeName,
                                            validatedTypeMatchRule, 0/*no kind*/, packageDeclaration,
                                            typeDeclaration.name)) {
                                        nameRequestor.acceptConstructor(Flags.AccPublic, typeName, -1, null, // signature is not used for source type
                                                CharOperation.NO_CHAR_CHAR, CharOperation.NO_CHAR_CHAR,
                                                typeDeclaration.modifiers, packageDeclaration,
                                                ExtraFlags.getExtraFlags(typeDeclaration), path, null);
                                    }
                                }

                                this.declaringTypes[this.declaringTypesPtr] = null;
                                this.declaringTypesPtr--;
                            }

                            public void endVisit(TypeDeclaration typeDeclaration, CompilationUnitScope s) {
                                endVisit(typeDeclaration);
                            }

                            public void endVisit(TypeDeclaration memberTypeDeclaration, ClassScope s) {
                                endVisit(memberTypeDeclaration);
                            }

                            private boolean hasConstructor(TypeDeclaration typeDeclaration) {
                                AbstractMethodDeclaration[] methods = typeDeclaration.methods;
                                int length = methods == null ? 0 : methods.length;
                                for (int j = 0; j < length; j++) {
                                    if (methods[j].isConstructor()) {
                                        return true;
                                    }
                                }

                                return false;
                            }

                            public boolean visit(ConstructorDeclaration constructorDeclaration,
                                    ClassScope classScope) {
                                TypeDeclaration typeDeclaration = this.declaringTypes[this.declaringTypesPtr];
                                if (match(NoSuffix, packageName, pkgMatchRule, typeName, validatedTypeMatchRule,
                                        0/*no kind*/, packageDeclaration, typeDeclaration.name)) {
                                    Argument[] arguments = constructorDeclaration.arguments;
                                    int length = arguments == null ? 0 : arguments.length;
                                    char[][] parameterNames = new char[length][];
                                    char[][] parameterTypes = new char[length][];
                                    for (int l = 0; l < length; l++) {
                                        Argument argument = arguments[l];
                                        parameterNames[l] = argument.name;
                                        if (argument.type instanceof SingleTypeReference) {
                                            parameterTypes[l] = ((SingleTypeReference) argument.type).token;
                                        } else {
                                            parameterTypes[l] = CharOperation.concatWith(
                                                    ((QualifiedTypeReference) argument.type).tokens, '.');
                                        }
                                    }

                                    TypeDeclaration enclosing = typeDeclaration.enclosingType;
                                    char[][] enclosingTypeNames = CharOperation.NO_CHAR_CHAR;
                                    while (enclosing != null) {
                                        enclosingTypeNames = CharOperation.arrayConcat(
                                                new char[][] { enclosing.name }, enclosingTypeNames);
                                        if ((enclosing.bits & ASTNode.IsMemberType) != 0) {
                                            enclosing = enclosing.enclosingType;
                                        } else {
                                            enclosing = null;
                                        }
                                    }

                                    nameRequestor.acceptConstructor(constructorDeclaration.modifiers, typeName,
                                            parameterNames.length, null, // signature is not used for source type
                                            parameterTypes, parameterNames, typeDeclaration.modifiers,
                                            packageDeclaration, ExtraFlags.getExtraFlags(typeDeclaration), path,
                                            null);
                                }
                                return false; // no need to find constructors from local/anonymous type
                            }

                            public boolean visit(TypeDeclaration typeDeclaration, BlockScope blockScope) {
                                return false;
                            }

                            private boolean visit(TypeDeclaration typeDeclaration) {
                                if (this.declaringTypes.length <= ++this.declaringTypesPtr) {
                                    int length = this.declaringTypesPtr;
                                    System.arraycopy(this.declaringTypes, 0,
                                            this.declaringTypes = new TypeDeclaration[length * 2 + 1], 0,
                                            length);
                                }
                                this.declaringTypes[this.declaringTypesPtr] = typeDeclaration;
                                return true;
                            }

                            public boolean visit(TypeDeclaration typeDeclaration, CompilationUnitScope s) {
                                return visit(typeDeclaration);
                            }

                            public boolean visit(TypeDeclaration memberTypeDeclaration, ClassScope s) {
                                return visit(memberTypeDeclaration);
                            }
                        }
                        parsedUnit.traverse(new AllConstructorDeclarationsVisitor(), parsedUnit.scope);
                    }
                }
                if (progressMonitor != null) {
                    if (progressMonitor.isCanceled())
                        throw new OperationCanceledException();
                    progressMonitor.worked(1);
                }
            }
        }
    } finally {
        if (progressMonitor != null) {
            progressMonitor.done();
        }
    }
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.BasicSearchEngine.java

License:Open Source License

/**
 * Searches for all top-level types and member types in the given scope.
 * The search can be selecting specific types (given a package or a type name
 * prefix and match modes)./* w ww.j a v a2 s  .  com*/
 *
 * @see org.eclipse.jdt.core.search.SearchEngine#searchAllTypeNames(char[], int, char[], int, int,
 * org.eclipse.jdt.core.search.IJavaSearchScope, org.eclipse.jdt.core.search.TypeNameRequestor, int,
 * org.eclipse.core.runtime.IProgressMonitor)
 *    for detailed comment
 */
public void searchAllTypeNames(final char[] packageName, final int packageMatchRule, final char[] typeName,
        final int typeMatchRule, int searchFor, IJavaSearchScope scope,
        final IRestrictedAccessTypeRequestor nameRequestor, int waitingPolicy, IProgressMonitor progressMonitor)
        throws JavaModelException {

    // Validate match rule first
    final int validatedTypeMatchRule = SearchPattern
            .validateMatchRule(typeName == null ? null : new String(typeName), typeMatchRule);

    // Debug
    if (VERBOSE) {
        Util.verbose(
                "BasicSearchEngine.searchAllTypeNames(char[], char[], int, int, IJavaSearchScope, IRestrictedAccessTypeRequestor, "
                        + "int, IProgressMonitor)"); //$NON-NLS-1$
        Util.verbose("   - package name: " + (packageName == null ? "null" : new String(packageName))); //$NON-NLS-1$ //$NON-NLS-2$
        Util.verbose("   - package match rule: " + getMatchRuleString(packageMatchRule)); //$NON-NLS-1$
        Util.verbose("   - type name: " + (typeName == null ? "null" : new String(typeName))); //$NON-NLS-1$ //$NON-NLS-2$
        Util.verbose("   - type match rule: " + getMatchRuleString(typeMatchRule)); //$NON-NLS-1$
        if (validatedTypeMatchRule != typeMatchRule) {
            Util.verbose("   - validated type match rule: " + getMatchRuleString(validatedTypeMatchRule)); //$NON-NLS-1$
        }
        Util.verbose("   - search for: " + searchFor); //$NON-NLS-1$
        Util.verbose("   - scope: " + scope); //$NON-NLS-1$
    }
    if (validatedTypeMatchRule == -1)
        return; // invalid match rule => return no results

    final char typeSuffix;
    switch (searchFor) {
    case IJavaSearchConstants.CLASS:
        typeSuffix = IIndexConstants.CLASS_SUFFIX;
        break;
    case IJavaSearchConstants.CLASS_AND_INTERFACE:
        typeSuffix = IIndexConstants.CLASS_AND_INTERFACE_SUFFIX;
        break;
    case IJavaSearchConstants.CLASS_AND_ENUM:
        typeSuffix = IIndexConstants.CLASS_AND_ENUM_SUFFIX;
        break;
    case IJavaSearchConstants.INTERFACE:
        typeSuffix = IIndexConstants.INTERFACE_SUFFIX;
        break;
    case IJavaSearchConstants.INTERFACE_AND_ANNOTATION:
        typeSuffix = IIndexConstants.INTERFACE_AND_ANNOTATION_SUFFIX;
        break;
    case IJavaSearchConstants.ENUM:
        typeSuffix = IIndexConstants.ENUM_SUFFIX;
        break;
    case IJavaSearchConstants.ANNOTATION_TYPE:
        typeSuffix = IIndexConstants.ANNOTATION_TYPE_SUFFIX;
        break;
    default:
        typeSuffix = IIndexConstants.TYPE_SUFFIX;
        break;
    }
    final TypeDeclarationPattern pattern = packageMatchRule == SearchPattern.R_EXACT_MATCH
            ? new TypeDeclarationPattern(packageName, null, typeName, typeSuffix, validatedTypeMatchRule)
            : new QualifiedTypeDeclarationPattern(packageName, packageMatchRule, typeName, typeSuffix,
                    validatedTypeMatchRule);

    // Get working copy path(s). Store in a single string in case of only one to optimize comparison in requestor
    final HashSet workingCopyPaths = new HashSet();
    String workingCopyPath = null;
    ICompilationUnit[] copies = getWorkingCopies();
    final int copiesLength = copies == null ? 0 : copies.length;
    if (copies != null) {
        if (copiesLength == 1) {
            workingCopyPath = copies[0].getPath().toString();
        } else {
            for (int i = 0; i < copiesLength; i++) {
                ICompilationUnit workingCopy = copies[i];
                workingCopyPaths.add(workingCopy.getPath().toString());
            }
        }
    }
    final String singleWkcpPath = workingCopyPath;

    // Index requestor
    IndexQueryRequestor searchRequestor = new IndexQueryRequestor() {
        public boolean acceptIndexMatch(String documentPath, SearchPattern indexRecord,
                SearchParticipant participant, AccessRuleSet access) {
            // Filter unexpected types
            TypeDeclarationPattern record = (TypeDeclarationPattern) indexRecord;
            if (record.enclosingTypeNames == IIndexConstants.ONE_ZERO_CHAR) {
                return true; // filter out local and anonymous classes
            }
            switch (copiesLength) {
            case 0:
                break;
            case 1:
                if (singleWkcpPath.equals(documentPath)) {
                    return true; // filter out *the* working copy
                }
                break;
            default:
                if (workingCopyPaths.contains(documentPath)) {
                    return true; // filter out working copies
                }
                break;
            }

            // Accept document path
            AccessRestriction accessRestriction = null;
            if (access != null) {
                // Compute document relative path
                int pkgLength = (record.pkg == null || record.pkg.length == 0) ? 0 : record.pkg.length + 1;
                int nameLength = record.simpleName == null ? 0 : record.simpleName.length;
                char[] path = new char[pkgLength + nameLength];
                int pos = 0;
                if (pkgLength > 0) {
                    System.arraycopy(record.pkg, 0, path, pos, pkgLength - 1);
                    CharOperation.replace(path, '.', '/');
                    path[pkgLength - 1] = '/';
                    pos += pkgLength;
                }
                if (nameLength > 0) {
                    System.arraycopy(record.simpleName, 0, path, pos, nameLength);
                    pos += nameLength;
                }
                // Update access restriction if path is not empty
                if (pos > 0) {
                    accessRestriction = access.getViolatedRestriction(path);
                }
            }
            if (match(record.typeSuffix, record.modifiers)) {
                nameRequestor.acceptType(record.modifiers, record.pkg, record.simpleName,
                        record.enclosingTypeNames, documentPath, accessRestriction);
            }
            return true;
        }
    };

    try {
        if (progressMonitor != null) {
            progressMonitor.beginTask(Messages.engine_searching, 1000);
        }
        // add type names from indexes
        indexManager.performConcurrentJob(
                new PatternSearchJob(pattern, getDefaultSearchParticipant(indexManager), // Java search only
                        scope, searchRequestor, indexManager),
                waitingPolicy,
                progressMonitor == null ? null : new SubProgressMonitor(progressMonitor, 1000 - copiesLength));

        // add type names from working copies
        if (copies != null) {
            for (int i = 0; i < copiesLength; i++) {
                final ICompilationUnit workingCopy = copies[i];
                if (scope instanceof HierarchyScope) {
                    if (!((HierarchyScope) scope).encloses(workingCopy, progressMonitor))
                        continue;
                } else {
                    if (!scope.encloses(workingCopy))
                        continue;
                }
                final String path = workingCopy.getPath().toString();
                if (workingCopy.isConsistent()) {
                    IPackageDeclaration[] packageDeclarations = workingCopy.getPackageDeclarations();
                    char[] packageDeclaration = packageDeclarations.length == 0 ? CharOperation.NO_CHAR
                            : packageDeclarations[0].getElementName().toCharArray();
                    IType[] allTypes = workingCopy.getAllTypes();
                    for (int j = 0, allTypesLength = allTypes.length; j < allTypesLength; j++) {
                        IType type = allTypes[j];
                        IJavaElement parent = type.getParent();
                        char[][] enclosingTypeNames;
                        if (parent instanceof IType) {
                            char[] parentQualifiedName = ((IType) parent).getTypeQualifiedName('.')
                                    .toCharArray();
                            enclosingTypeNames = CharOperation.splitOn('.', parentQualifiedName);
                        } else {
                            enclosingTypeNames = CharOperation.NO_CHAR_CHAR;
                        }
                        char[] simpleName = type.getElementName().toCharArray();
                        int kind;
                        if (type.isEnum()) {
                            kind = TypeDeclaration.ENUM_DECL;
                        } else if (type.isAnnotation()) {
                            kind = TypeDeclaration.ANNOTATION_TYPE_DECL;
                        } else if (type.isClass()) {
                            kind = TypeDeclaration.CLASS_DECL;
                        } else /*if (type.isInterface())*/ {
                            kind = TypeDeclaration.INTERFACE_DECL;
                        }
                        if (match(typeSuffix, packageName, packageMatchRule, typeName, validatedTypeMatchRule,
                                kind, packageDeclaration, simpleName)) {
                            if (nameRequestor instanceof TypeNameMatchRequestorWrapper) {
                                ((TypeNameMatchRequestorWrapper) nameRequestor).requestor.acceptTypeNameMatch(
                                        new JavaSearchTypeNameMatch(type, type.getFlags()));
                            } else {
                                nameRequestor.acceptType(type.getFlags(), packageDeclaration, simpleName,
                                        enclosingTypeNames, path, null);
                            }
                        }
                    }
                } else {
                    Parser basicParser = getParser();
                    org.eclipse.jdt.internal.compiler.env.ICompilationUnit unit = (org.eclipse.jdt.internal.compiler.env.ICompilationUnit) workingCopy;
                    CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0,
                            this.compilerOptions.maxProblemsPerUnit);
                    CompilationUnitDeclaration parsedUnit = basicParser.dietParse(unit, compilationUnitResult);
                    if (parsedUnit != null) {
                        final char[] packageDeclaration = parsedUnit.currentPackage == null
                                ? CharOperation.NO_CHAR
                                : CharOperation.concatWith(parsedUnit.currentPackage.getImportName(), '.');
                        class AllTypeDeclarationsVisitor extends ASTVisitor {
                            public boolean visit(TypeDeclaration typeDeclaration, BlockScope blockScope) {
                                return false; // no local/anonymous type
                            }

                            public boolean visit(TypeDeclaration typeDeclaration,
                                    CompilationUnitScope compilationUnitScope) {
                                if (match(typeSuffix, packageName, packageMatchRule, typeName,
                                        validatedTypeMatchRule, TypeDeclaration.kind(typeDeclaration.modifiers),
                                        packageDeclaration, typeDeclaration.name)) {
                                    if (nameRequestor instanceof TypeNameMatchRequestorWrapper) {
                                        IType type = workingCopy.getType(new String(typeName));
                                        ((TypeNameMatchRequestorWrapper) nameRequestor).requestor
                                                .acceptTypeNameMatch(new JavaSearchTypeNameMatch(type,
                                                        typeDeclaration.modifiers));
                                    } else {
                                        nameRequestor.acceptType(typeDeclaration.modifiers, packageDeclaration,
                                                typeDeclaration.name, CharOperation.NO_CHAR_CHAR, path, null);
                                    }
                                }
                                return true;
                            }

                            public boolean visit(TypeDeclaration memberTypeDeclaration, ClassScope classScope) {
                                if (match(typeSuffix, packageName, packageMatchRule, typeName,
                                        validatedTypeMatchRule,
                                        TypeDeclaration.kind(memberTypeDeclaration.modifiers),
                                        packageDeclaration, memberTypeDeclaration.name)) {
                                    // compute enclosing type names
                                    TypeDeclaration enclosing = memberTypeDeclaration.enclosingType;
                                    char[][] enclosingTypeNames = CharOperation.NO_CHAR_CHAR;
                                    while (enclosing != null) {
                                        enclosingTypeNames = CharOperation.arrayConcat(
                                                new char[][] { enclosing.name }, enclosingTypeNames);
                                        if ((enclosing.bits & ASTNode.IsMemberType) != 0) {
                                            enclosing = enclosing.enclosingType;
                                        } else {
                                            enclosing = null;
                                        }
                                    }
                                    // report
                                    if (nameRequestor instanceof TypeNameMatchRequestorWrapper) {
                                        IType type = workingCopy.getType(new String(enclosingTypeNames[0]));
                                        for (int j = 1, l = enclosingTypeNames.length; j < l; j++) {
                                            type = type.getType(new String(enclosingTypeNames[j]));
                                        }
                                        ((TypeNameMatchRequestorWrapper) nameRequestor).requestor
                                                .acceptTypeNameMatch(new JavaSearchTypeNameMatch(type, 0));
                                    } else {
                                        nameRequestor.acceptType(memberTypeDeclaration.modifiers,
                                                packageDeclaration, memberTypeDeclaration.name,
                                                enclosingTypeNames, path, null);
                                    }
                                }
                                return true;
                            }
                        }
                        parsedUnit.traverse(new AllTypeDeclarationsVisitor(), parsedUnit.scope);
                    }
                }
                if (progressMonitor != null) {
                    if (progressMonitor.isCanceled())
                        throw new OperationCanceledException();
                    progressMonitor.worked(1);
                }
            }
        }
    } finally {
        if (progressMonitor != null) {
            progressMonitor.done();
        }
    }
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.BasicSearchEngine.java

License:Open Source License

/**
 * Searches for all top-level types and member types in the given scope using  a case sensitive exact match
 * with the given qualified names and type names.
 *
 * @see org.eclipse.jdt.core.search.SearchEngine#searchAllTypeNames(char[][], char[][], org.eclipse.jdt.core.search.IJavaSearchScope,
 * org.eclipse.jdt.core.search.TypeNameRequestor, int, org.eclipse.core.runtime.IProgressMonitor)
 *    for detailed comment/*ww  w .j a  va2 s.c om*/
 */
public void searchAllTypeNames(final char[][] qualifications, final char[][] typeNames, final int matchRule,
        int searchFor, IJavaSearchScope scope, final IRestrictedAccessTypeRequestor nameRequestor,
        int waitingPolicy, IProgressMonitor progressMonitor) throws JavaModelException {

    // Debug
    if (VERBOSE) {
        Util.verbose(
                "BasicSearchEngine.searchAllTypeNames(char[][], char[][], int, int, IJavaSearchScope, IRestrictedAccessTypeRequestor, int, IProgressMonitor)"); //$NON-NLS-1$
        Util.verbose("   - package name: " + (qualifications == null ? "null"
                : new String(CharOperation.concatWith(qualifications, ',')))); //$NON-NLS-1$ //$NON-NLS-2$
        Util.verbose("   - type name: "
                + (typeNames == null ? "null" : new String(CharOperation.concatWith(typeNames, ',')))); //$NON-NLS-1$ //$NON-NLS-2$
        Util.verbose("   - match rule: " + getMatchRuleString(matchRule)); //$NON-NLS-1$
        Util.verbose("   - search for: " + searchFor); //$NON-NLS-1$
        Util.verbose("   - scope: " + scope); //$NON-NLS-1$
    }

    // Create pattern
    final char typeSuffix;
    switch (searchFor) {
    case IJavaSearchConstants.CLASS:
        typeSuffix = IIndexConstants.CLASS_SUFFIX;
        break;
    case IJavaSearchConstants.CLASS_AND_INTERFACE:
        typeSuffix = IIndexConstants.CLASS_AND_INTERFACE_SUFFIX;
        break;
    case IJavaSearchConstants.CLASS_AND_ENUM:
        typeSuffix = IIndexConstants.CLASS_AND_ENUM_SUFFIX;
        break;
    case IJavaSearchConstants.INTERFACE:
        typeSuffix = IIndexConstants.INTERFACE_SUFFIX;
        break;
    case IJavaSearchConstants.INTERFACE_AND_ANNOTATION:
        typeSuffix = IIndexConstants.INTERFACE_AND_ANNOTATION_SUFFIX;
        break;
    case IJavaSearchConstants.ENUM:
        typeSuffix = IIndexConstants.ENUM_SUFFIX;
        break;
    case IJavaSearchConstants.ANNOTATION_TYPE:
        typeSuffix = IIndexConstants.ANNOTATION_TYPE_SUFFIX;
        break;
    default:
        typeSuffix = IIndexConstants.TYPE_SUFFIX;
        break;
    }
    final MultiTypeDeclarationPattern pattern = new MultiTypeDeclarationPattern(qualifications, typeNames,
            typeSuffix, matchRule);

    // Get working copy path(s). Store in a single string in case of only one to optimize comparison in requestor
    final HashSet workingCopyPaths = new HashSet();
    String workingCopyPath = null;
    ICompilationUnit[] copies = getWorkingCopies();
    final int copiesLength = copies == null ? 0 : copies.length;
    if (copies != null) {
        if (copiesLength == 1) {
            workingCopyPath = copies[0].getPath().toString();
        } else {
            for (int i = 0; i < copiesLength; i++) {
                ICompilationUnit workingCopy = copies[i];
                workingCopyPaths.add(workingCopy.getPath().toString());
            }
        }
    }
    final String singleWkcpPath = workingCopyPath;

    // Index requestor
    IndexQueryRequestor searchRequestor = new IndexQueryRequestor() {
        public boolean acceptIndexMatch(String documentPath, SearchPattern indexRecord,
                SearchParticipant participant, AccessRuleSet access) {
            // Filter unexpected types
            QualifiedTypeDeclarationPattern record = (QualifiedTypeDeclarationPattern) indexRecord;
            if (record.enclosingTypeNames == IIndexConstants.ONE_ZERO_CHAR) {
                return true; // filter out local and anonymous classes
            }
            switch (copiesLength) {
            case 0:
                break;
            case 1:
                if (singleWkcpPath.equals(documentPath)) {
                    return true; // filter out *the* working copy
                }
                break;
            default:
                if (workingCopyPaths.contains(documentPath)) {
                    return true; // filter out working copies
                }
                break;
            }

            // Accept document path
            AccessRestriction accessRestriction = null;
            if (access != null) {
                // Compute document relative path
                int qualificationLength = (record.qualification == null || record.qualification.length == 0) ? 0
                        : record.qualification.length + 1;
                int nameLength = record.simpleName == null ? 0 : record.simpleName.length;
                char[] path = new char[qualificationLength + nameLength];
                int pos = 0;
                if (qualificationLength > 0) {
                    System.arraycopy(record.qualification, 0, path, pos, qualificationLength - 1);
                    CharOperation.replace(path, '.', '/');
                    path[qualificationLength - 1] = '/';
                    pos += qualificationLength;
                }
                if (nameLength > 0) {
                    System.arraycopy(record.simpleName, 0, path, pos, nameLength);
                    pos += nameLength;
                }
                // Update access restriction if path is not empty
                if (pos > 0) {
                    accessRestriction = access.getViolatedRestriction(path);
                }
            }
            nameRequestor.acceptType(record.modifiers, record.pkg, record.simpleName, record.enclosingTypeNames,
                    documentPath, accessRestriction);
            return true;
        }
    };

    try {
        if (progressMonitor != null) {
            progressMonitor.beginTask(Messages.engine_searching, 100);
        }
        // add type names from indexes
        indexManager.performConcurrentJob(
                new PatternSearchJob(pattern, getDefaultSearchParticipant(indexManager), // Java search only
                        scope, searchRequestor, indexManager),
                waitingPolicy, progressMonitor == null ? null : new SubProgressMonitor(progressMonitor, 100));

        // add type names from working copies
        if (copies != null) {
            for (int i = 0, length = copies.length; i < length; i++) {
                ICompilationUnit workingCopy = copies[i];
                final String path = workingCopy.getPath().toString();
                if (workingCopy.isConsistent()) {
                    IPackageDeclaration[] packageDeclarations = workingCopy.getPackageDeclarations();
                    char[] packageDeclaration = packageDeclarations.length == 0 ? CharOperation.NO_CHAR
                            : packageDeclarations[0].getElementName().toCharArray();
                    IType[] allTypes = workingCopy.getAllTypes();
                    for (int j = 0, allTypesLength = allTypes.length; j < allTypesLength; j++) {
                        IType type = allTypes[j];
                        IJavaElement parent = type.getParent();
                        char[][] enclosingTypeNames;
                        char[] qualification = packageDeclaration;
                        if (parent instanceof IType) {
                            char[] parentQualifiedName = ((IType) parent).getTypeQualifiedName('.')
                                    .toCharArray();
                            enclosingTypeNames = CharOperation.splitOn('.', parentQualifiedName);
                            qualification = CharOperation.concat(qualification, parentQualifiedName);
                        } else {
                            enclosingTypeNames = CharOperation.NO_CHAR_CHAR;
                        }
                        char[] simpleName = type.getElementName().toCharArray();
                        char suffix = IIndexConstants.TYPE_SUFFIX;
                        if (type.isClass()) {
                            suffix = IIndexConstants.CLASS_SUFFIX;
                        } else if (type.isInterface()) {
                            suffix = IIndexConstants.INTERFACE_SUFFIX;
                        } else if (type.isEnum()) {
                            suffix = IIndexConstants.ENUM_SUFFIX;
                        } else if (type.isAnnotation()) {
                            suffix = IIndexConstants.ANNOTATION_TYPE_SUFFIX;
                        }
                        if (pattern.matchesDecodedKey(new QualifiedTypeDeclarationPattern(qualification,
                                simpleName, suffix, matchRule))) {
                            nameRequestor.acceptType(type.getFlags(), packageDeclaration, simpleName,
                                    enclosingTypeNames, path, null);
                        }
                    }
                } else {
                    Parser basicParser = getParser();
                    org.eclipse.jdt.internal.compiler.env.ICompilationUnit unit = (org.eclipse.jdt.internal.compiler.env.ICompilationUnit) workingCopy;
                    CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0,
                            this.compilerOptions.maxProblemsPerUnit);
                    CompilationUnitDeclaration parsedUnit = basicParser.dietParse(unit, compilationUnitResult);
                    if (parsedUnit != null) {
                        final char[] packageDeclaration = parsedUnit.currentPackage == null
                                ? CharOperation.NO_CHAR
                                : CharOperation.concatWith(parsedUnit.currentPackage.getImportName(), '.');
                        class AllTypeDeclarationsVisitor extends ASTVisitor {
                            public boolean visit(TypeDeclaration typeDeclaration, BlockScope blockScope) {
                                return false; // no local/anonymous type
                            }

                            public boolean visit(TypeDeclaration typeDeclaration,
                                    CompilationUnitScope compilationUnitScope) {
                                SearchPattern decodedPattern = new QualifiedTypeDeclarationPattern(
                                        packageDeclaration, typeDeclaration.name,
                                        convertTypeKind(TypeDeclaration.kind(typeDeclaration.modifiers)),
                                        matchRule);
                                if (pattern.matchesDecodedKey(decodedPattern)) {
                                    nameRequestor.acceptType(typeDeclaration.modifiers, packageDeclaration,
                                            typeDeclaration.name, CharOperation.NO_CHAR_CHAR, path, null);
                                }
                                return true;
                            }

                            public boolean visit(TypeDeclaration memberTypeDeclaration, ClassScope classScope) {
                                // compute enclosing type names
                                char[] qualification = packageDeclaration;
                                TypeDeclaration enclosing = memberTypeDeclaration.enclosingType;
                                char[][] enclosingTypeNames = CharOperation.NO_CHAR_CHAR;
                                while (enclosing != null) {
                                    qualification = CharOperation.concat(qualification, enclosing.name, '.');
                                    enclosingTypeNames = CharOperation
                                            .arrayConcat(new char[][] { enclosing.name }, enclosingTypeNames);
                                    if ((enclosing.bits & ASTNode.IsMemberType) != 0) {
                                        enclosing = enclosing.enclosingType;
                                    } else {
                                        enclosing = null;
                                    }
                                }
                                SearchPattern decodedPattern = new QualifiedTypeDeclarationPattern(
                                        qualification, memberTypeDeclaration.name,
                                        convertTypeKind(TypeDeclaration.kind(memberTypeDeclaration.modifiers)),
                                        matchRule);
                                if (pattern.matchesDecodedKey(decodedPattern)) {
                                    nameRequestor.acceptType(memberTypeDeclaration.modifiers,
                                            packageDeclaration, memberTypeDeclaration.name, enclosingTypeNames,
                                            path, null);
                                }
                                return true;
                            }
                        }
                        parsedUnit.traverse(new AllTypeDeclarationsVisitor(), parsedUnit.scope);
                    }
                }
            }
        }
    } finally {
        if (progressMonitor != null) {
            progressMonitor.done();
        }
    }
}