Example usage for org.eclipse.jdt.internal.core ClassFile getType

List of usage examples for org.eclipse.jdt.internal.core ClassFile getType

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core ClassFile getType.

Prototype

@Override
public IType getType() 

Source Link

Usage

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

License:Open Source License

/**
 * Performs type search in a binary package.
 *//* w  w w .  j  av  a  2s.c  o m*/
protected void seekTypesInBinaryPackage(String name, IPackageFragment pkg, boolean partialMatch,
        int acceptFlags, IJavaElementRequestor requestor) {
    long start = -1;
    if (VERBOSE)
        start = System.currentTimeMillis();
    try {
        if (!partialMatch) {
            // exact match
            if (requestor.isCanceled())
                return;
            ClassFile classFile = new ClassFile((PackageFragment) pkg, manager, name);
            if (classFile.existsUsingJarTypeCache()) {
                IType type = classFile.getType();
                if (acceptType(type, acceptFlags, false/*not a source type*/)) {
                    requestor.acceptType(type);
                }
            }
        } else {
            IJavaElement[] classFiles = null;
            try {
                classFiles = pkg.getChildren();
            } catch (JavaModelException npe) {
                return; // the package is not present
            }
            int length = classFiles.length;
            String unqualifiedName = name;
            int index = name.lastIndexOf('$');
            if (index != -1) {
                //the type name of the inner type
                unqualifiedName = Util.localTypeName(name, index, name.length());
                // unqualifiedName is empty if the name ends with a '$' sign.
                // See http://dev.eclipse.org/bugs/show_bug.cgi?id=14642
            }
            int matchLength = name.length();
            for (int i = 0; i < length; i++) {
                if (requestor.isCanceled())
                    return;
                IJavaElement classFile = classFiles[i];
                // MatchName will never have the extension ".class" and the elementName always will.
                String elementName = classFile.getElementName();
                if (elementName.regionMatches(true /*ignore case*/, 0, name, 0, matchLength)) {
                    IType type = ((ClassFile) classFile).getType();
                    String typeName = type.getElementName();
                    if (typeName.length() > 0 && !Character.isDigit(typeName.charAt(0))) { //not an anonymous type
                        if (nameMatches(unqualifiedName, type, true/*partial match*/)
                                && acceptType(type, acceptFlags, false/*not a source type*/))
                            requestor.acceptType(type);
                    }
                }
            }
        }
    } finally {
        if (VERBOSE)
            this.timeSpentInSeekTypesInBinaryPackage += System.currentTimeMillis() - start;
    }
}

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

License:Open Source License

/**
 * Locate declaration in the current class file. This class file is always in a jar.
 *///from   w w w  .j  a  va 2s.  com
public void locateMatches(MatchLocator locator, ClassFile classFile, IBinaryType info) throws CoreException {
    SearchPattern pattern = locator.pattern;

    // check annotations references
    matchAnnotations(pattern, locator, classFile, info);

    // check class definition
    BinaryType binaryType = (BinaryType) classFile.getType();
    if (matchBinary(pattern, info, null)) {
        binaryType = new ResolvedBinaryType((JavaElement) binaryType.getParent(), binaryType.getElementName(),
                binaryType.getKey());
        locator.reportBinaryMemberDeclaration(null, binaryType, null, info, SearchMatch.A_ACCURATE);
        return;
    }

    // Define arrays to store methods/fields from binary type if necessary
    IBinaryMethod[] binaryMethods = info.getMethods();
    int bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length;
    IBinaryMethod[] unresolvedMethods = null;
    char[][] binaryMethodSignatures = null;
    boolean hasUnresolvedMethods = false;

    // Get fields from binary type info
    IBinaryField[] binaryFields = info.getFields();
    int bFieldsLength = binaryFields == null ? 0 : binaryFields.length;
    IBinaryField[] unresolvedFields = null;
    boolean hasUnresolvedFields = false;

    // Report as many accurate matches as possible
    int accuracy = SearchMatch.A_ACCURATE;
    boolean mustResolve = pattern.mustResolve;
    if (mustResolve) {
        BinaryTypeBinding binding = locator.cacheBinaryType(binaryType, info);
        if (binding != null) {
            // filter out element not in hierarchy scope
            if (!locator.typeInHierarchy(binding))
                return;

            // Search matches on resolved methods
            MethodBinding[] availableMethods = binding.availableMethods();
            int aMethodsLength = availableMethods == null ? 0 : availableMethods.length;
            hasUnresolvedMethods = bMethodsLength != aMethodsLength;
            for (int i = 0; i < aMethodsLength; i++) {
                MethodBinding method = availableMethods[i];
                char[] methodSignature = method.genericSignature();
                if (methodSignature == null)
                    methodSignature = method.signature();

                // Report the match if possible
                int level = locator.patternLocator.resolveLevel(method);
                if (level != PatternLocator.IMPOSSIBLE_MATCH) {
                    IMethod methodHandle = binaryType.getMethod(
                            new String(method.isConstructor()
                                    ? binding.compoundName[binding.compoundName.length - 1]
                                    : method.selector),
                            CharOperation.toStrings(
                                    Signature.getParameterTypes(convertClassFileFormat(methodSignature))));
                    accuracy = level == PatternLocator.ACCURATE_MATCH ? SearchMatch.A_ACCURATE
                            : SearchMatch.A_INACCURATE;
                    locator.reportBinaryMemberDeclaration(null, methodHandle, method, info, accuracy);
                }

                // Remove method from unresolved list
                if (hasUnresolvedMethods) {
                    if (binaryMethodSignatures == null) { // Store binary method signatures to avoid multiple computation
                        binaryMethodSignatures = new char[bMethodsLength][];
                        for (int j = 0; j < bMethodsLength; j++) {
                            IBinaryMethod binaryMethod = binaryMethods[j];
                            char[] signature = binaryMethod.getGenericSignature();
                            if (signature == null)
                                signature = binaryMethod.getMethodDescriptor();
                            binaryMethodSignatures[j] = signature;
                        }
                    }
                    for (int j = 0; j < bMethodsLength; j++) {
                        if (CharOperation.equals(binaryMethods[j].getSelector(), method.selector)
                                && CharOperation.equals(binaryMethodSignatures[j], methodSignature)) {
                            if (unresolvedMethods == null) {
                                System.arraycopy(binaryMethods, 0,
                                        unresolvedMethods = new IBinaryMethod[bMethodsLength], 0,
                                        bMethodsLength);
                            }
                            unresolvedMethods[j] = null;
                            break;
                        }
                    }
                }
            }

            // Search matches on resolved fields
            FieldBinding[] availableFields = binding.availableFields();
            int aFieldsLength = availableFields == null ? 0 : availableFields.length;
            hasUnresolvedFields = bFieldsLength != aFieldsLength;
            for (int i = 0; i < aFieldsLength; i++) {
                FieldBinding field = availableFields[i];

                // Report the match if possible
                int level = locator.patternLocator.resolveLevel(field);
                if (level != PatternLocator.IMPOSSIBLE_MATCH) {
                    IField fieldHandle = binaryType.getField(new String(field.name));
                    accuracy = level == PatternLocator.ACCURATE_MATCH ? SearchMatch.A_ACCURATE
                            : SearchMatch.A_INACCURATE;
                    locator.reportBinaryMemberDeclaration(null, fieldHandle, field, info, accuracy);
                }

                // Remove the field from unresolved list
                if (hasUnresolvedFields) {
                    for (int j = 0; j < bFieldsLength; j++) {
                        if (CharOperation.equals(binaryFields[j].getName(), field.name)) {
                            if (unresolvedFields == null) {
                                System.arraycopy(binaryFields, 0,
                                        unresolvedFields = new IBinaryField[bFieldsLength], 0, bFieldsLength);
                            }
                            unresolvedFields[j] = null;
                            break;
                        }
                    }
                }
            }

            // If all methods/fields were accurate then returns now
            if (!hasUnresolvedMethods && !hasUnresolvedFields) {
                return;
            }
        }
        accuracy = SearchMatch.A_INACCURATE;
    }

    // Report inaccurate methods
    if (mustResolve)
        binaryMethods = unresolvedMethods;
    bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length;
    for (int i = 0; i < bMethodsLength; i++) {
        IBinaryMethod method = binaryMethods[i];
        if (method == null)
            continue; // impossible match or already reported as accurate
        if (matchBinary(pattern, method, info)) {
            char[] name;
            if (method.isConstructor()) {
                // https://bugs.eclipse.org/bugs/show_bug.cgi?id=329727
                // We don't need the enclosing type name for the constructor name
                name = info.getSourceName();
            } else {
                name = method.getSelector();
            }
            String selector = new String(name);
            char[] methodSignature = binaryMethodSignatures == null ? null : binaryMethodSignatures[i];
            if (methodSignature == null) {
                methodSignature = method.getGenericSignature();
                if (methodSignature == null)
                    methodSignature = method.getMethodDescriptor();
            }
            String[] parameterTypes = CharOperation
                    .toStrings(Signature.getParameterTypes(convertClassFileFormat(methodSignature)));
            IMethod methodHandle = binaryType.getMethod(selector, parameterTypes);
            methodHandle = new ResolvedBinaryMethod(binaryType, selector, parameterTypes,
                    methodHandle.getKey());
            locator.reportBinaryMemberDeclaration(null, methodHandle, null, info, accuracy);
        }
    }

    // Report inaccurate fields
    if (mustResolve)
        binaryFields = unresolvedFields;
    bFieldsLength = binaryFields == null ? 0 : binaryFields.length;
    for (int i = 0; i < bFieldsLength; i++) {
        IBinaryField field = binaryFields[i];
        if (field == null)
            continue; // impossible match or already reported as accurate
        if (matchBinary(pattern, field, info)) {
            String fieldName = new String(field.getName());
            IField fieldHandle = binaryType.getField(fieldName);
            fieldHandle = new ResolvedBinaryField(binaryType, fieldName, fieldHandle.getKey());
            locator.reportBinaryMemberDeclaration(null, fieldHandle, null, info, accuracy);
        }
    }
}

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

License:Open Source License

private void matchAnnotations(SearchPattern pattern, MatchLocator locator, ClassFile classFile,
        IBinaryType binaryType) throws CoreException {
    // Only process TypeReference patterns
    switch (pattern.kind) {
    case TYPE_REF_PATTERN:
        break;// ww w  .ja  v  a2 s.c  o  m
    case OR_PATTERN:
        SearchPattern[] patterns = ((OrPattern) pattern).patterns;
        for (int i = 0, length = patterns.length; i < length; i++) {
            matchAnnotations(patterns[i], locator, classFile, binaryType);
        }
        // $FALL-THROUGH$ - fall through default to return
    default:
        return;
    }
    TypeReferencePattern typeReferencePattern = (TypeReferencePattern) pattern;

    // Look for references in class annotations
    IBinaryAnnotation[] annotations = binaryType.getAnnotations();
    BinaryType classFileBinaryType = (BinaryType) classFile.getType();
    BinaryTypeBinding binaryTypeBinding = null;
    if (checkAnnotations(typeReferencePattern, annotations, binaryType.getTagBits())) {
        classFileBinaryType = new ResolvedBinaryType((JavaElement) classFileBinaryType.getParent(),
                classFileBinaryType.getElementName(), classFileBinaryType.getKey());
        TypeReferenceMatch match = new TypeReferenceMatch(classFileBinaryType, SearchMatch.A_ACCURATE, -1, 0,
                false, locator.getParticipant(), locator.currentPossibleMatch.resource);
        // TODO 3.4 M7 (frederic) - bug 209996: see how create the annotation handle from the binary and put it in the local element
        match.setLocalElement(null);
        locator.report(match);
    }

    // Look for references in methods annotations
    MethodInfo[] methods = (MethodInfo[]) binaryType.getMethods();
    if (methods != null) {
        for (int i = 0, max = methods.length; i < max; i++) {
            MethodInfo method = methods[i];
            if (checkAnnotations(typeReferencePattern, method.getAnnotations(), method.getTagBits())) {
                binaryTypeBinding = locator.cacheBinaryType(classFileBinaryType, binaryType);
                IMethod methodHandle = classFileBinaryType
                        .getMethod(
                                new String(method.isConstructor()
                                        ? binaryTypeBinding.compoundName[binaryTypeBinding.compoundName.length
                                                - 1]
                                        : method.getSelector()),
                                CharOperation.toStrings(Signature.getParameterTypes(
                                        convertClassFileFormat(method.getMethodDescriptor()))));
                TypeReferenceMatch match = new TypeReferenceMatch(methodHandle, SearchMatch.A_ACCURATE, -1, 0,
                        false, locator.getParticipant(), locator.currentPossibleMatch.resource);
                // TODO 3.4 M7 (frederic) - bug 209996: see how create the annotation handle from the binary and put it in the local element
                match.setLocalElement(null);
                locator.report(match);
            }
        }
    }

    // Look for references in fields annotations
    FieldInfo[] fields = (FieldInfo[]) binaryType.getFields();
    if (fields != null) {
        for (int i = 0, max = fields.length; i < max; i++) {
            FieldInfo field = fields[i];
            if (checkAnnotations(typeReferencePattern, field.getAnnotations(), field.getTagBits())) {
                IField fieldHandle = classFileBinaryType.getField(new String(field.getName()));
                TypeReferenceMatch match = new TypeReferenceMatch(fieldHandle, SearchMatch.A_ACCURATE, -1, 0,
                        false, locator.getParticipant(), locator.currentPossibleMatch.resource);
                // TODO 3.4 M7 (frederic) - bug 209996: see how create the annotation handle from the binary and put it in the local element
                match.setLocalElement(null);
                locator.report(match);
            }
        }
    }
}

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

License:Open Source License

protected IBinaryType getBinaryInfo(ClassFile classFile, IResource resource) throws CoreException {
    BinaryType binaryType = (BinaryType) classFile.getType();
    if (classFile.isOpen())
        return (IBinaryType) binaryType.getElementInfo(); // reuse the info from the java model cache

    // create a temporary info
    IBinaryType info;//from  ww  w . j av  a2s  .co m
    try {
        PackageFragment pkg = (PackageFragment) classFile.getParent();
        PackageFragmentRoot root = (PackageFragmentRoot) pkg.getParent();
        if (root.isArchive()) {
            // class file in a jar
            String classFileName = classFile.getElementName();
            String classFilePath = Util.concatWith(pkg.names, classFileName, '/');
            ZipFile zipFile = null;
            try {
                zipFile = ((JarPackageFragmentRoot) root).getJar();
                info = ClassFileReader.read(zipFile, classFilePath);
            } finally {
                JavaModelManager.getJavaModelManager().closeZipFile(zipFile);
            }
        } else {
            // class file in a directory
            info = Util.newClassFileReader(resource);
        }
        if (info == null)
            throw binaryType.newNotPresentException();
        return info;
    } catch (ClassFormatException e) {
        //e.printStackTrace();
        return null;
    } catch (IOException e) {
        throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION);
    }
}

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

License:Open Source License

protected void reportBinaryMemberDeclaration(IResource resource, IMember binaryMember,
        Binding binaryMemberBinding, IBinaryType info, int accuracy) throws CoreException {
    ClassFile classFile = (ClassFile) binaryMember.getClassFile();
    ISourceRange range = classFile.isOpen() ? binaryMember.getNameRange() : SourceMapper.UNKNOWN_RANGE;
    if (range.getOffset() == -1) {
        BinaryType type = (BinaryType) classFile.getType();
        String sourceFileName = type.sourceFileName(info);
        if (sourceFileName != null) {
            SourceMapper mapper = classFile.getSourceMapper();
            if (mapper != null) {
                char[] contents = mapper.findSource(type, sourceFileName);
                if (contents != null)
                    range = mapper.mapSource(type, contents, info, binaryMember);
            }//from w  w  w  . jav  a  2s  . com
        }
    }
    if (resource == null)
        resource = this.currentPossibleMatch.resource;
    SearchMatch match = newDeclarationMatch(binaryMember, binaryMemberBinding, accuracy, range.getOffset(),
            range.getLength(), getParticipant(), resource);
    report(match);
}

From source file:de.gebit.integrity.ui.contentassist.DSLProposalProvider.java

License:Open Source License

private IType resolveJDTTypeForJvmType(JvmType aType) throws JavaModelException {
    IJavaElement tempSourceMethod = (IJavaElement) elementFinder.findElementFor(aType);

    if (tempSourceMethod.getParent() instanceof CompilationUnit) {
        CompilationUnit tempCompilationUnit = (CompilationUnit) tempSourceMethod.getParent();
        return tempCompilationUnit.getTypes()[0];
    } else if (tempSourceMethod.getParent() instanceof ClassFile) {
        ClassFile tempClassFile = (ClassFile) tempSourceMethod.getParent();
        tempClassFile.open(null);/*from w  w  w .  j  a v a2s .  co  m*/
        return tempClassFile.getType();
    }

    return null;
}

From source file:org.codehaus.groovy.eclipse.core.builder.GroovyNameLookup.java

License:Apache License

/**
 * Copied from parent class/*from w ww . j av  a2 s .  c o m*/
 * Changes marked with // GROOVY begin and // GROOVY end
 */
@Override
protected void seekTypesInBinaryPackage(String name, IPackageFragment pkg, boolean partialMatch,
        int acceptFlags, IJavaElementRequestor requestor) {
    long start = -1;
    if (VERBOSE)
        start = System.currentTimeMillis();
    try {
        // GROOVY begin
        // ensure ends with .class
        if (!name.endsWith(".class")) {
            name += ".class";
        }
        // GROOVY end
        if (!partialMatch) {
            // exact match
            if (requestor.isCanceled())
                return;
            ClassFile classFile = (ClassFile) pkg.getClassFile(name);
            if (classFile.existsUsingJarTypeCache()) {
                IType type = classFile.getType();
                if (acceptType(type, acceptFlags, false/*not a source type*/)) {
                    requestor.acceptType(type);
                }
            }

            // GROOVY begin
            // class file may still exist as an inner type
            IJavaElement[] classFiles = null;
            try {
                classFiles = pkg.getChildren();
            } catch (JavaModelException npe) {
                return; // the package is not present
            }
            for (IJavaElement elt : classFiles) {
                classFile = (ClassFile) elt;
                if (classFile.getElementName().endsWith("$" + name)) {
                    IType type = classFile.getType();
                    if (acceptType(type, acceptFlags, false/*not a source type*/)) {
                        requestor.acceptType(type);
                    }
                }
            }
            // GROOVY end

        } else {
            IJavaElement[] classFiles = null;
            try {
                classFiles = pkg.getChildren();
            } catch (JavaModelException npe) {
                return; // the package is not present
            }
            int length = classFiles.length;
            String unqualifiedName = name;
            int index = name.lastIndexOf('$');
            if (index != -1) {
                //the type name of the inner type
                unqualifiedName = Util.localTypeName(name, index, name.length());
                // unqualifiedName is empty if the name ends with a '$' sign.
                // See http://dev.eclipse.org/bugs/show_bug.cgi?id=14642
            }
            int matchLength = name.length();
            for (int i = 0; i < length; i++) {
                if (requestor.isCanceled())
                    return;
                IJavaElement classFile = classFiles[i];
                // MatchName will never have the extension ".class" and the elementName always will.
                String elementName = classFile.getElementName();
                if (elementName.regionMatches(true /*ignore case*/, 0, name, 0, matchLength)) {
                    IType type = ((ClassFile) classFile).getType();
                    String typeName = type.getElementName();
                    if (typeName.length() > 0 && !Character.isDigit(typeName.charAt(0))) { //not an anonymous type
                        if (nameMatches(unqualifiedName, type, true/*partial match*/)
                                && acceptType(type, acceptFlags, false/*not a source type*/))
                            requestor.acceptType(type);
                    }
                }
            }
        }
    } finally {
        if (VERBOSE)
            this.timeSpentInSeekTypesInBinaryPackage += System.currentTimeMillis() - start;
    }
}

From source file:org.codehaus.jdt.groovy.model.GroovyClassFileWorkingCopy.java

License:Open Source License

public GroovyClassFileWorkingCopy(ClassFile classFile, WorkingCopyOwner owner) {
    super((PackageFragment) classFile.getParent(),
            ((BinaryType) classFile.getType()).getSourceFileName(null/* no info available */), owner);
    this.classFile = classFile;
    // GROOVY Change
    if (this.owner == null) {
        this.owner = DefaultWorkingCopyOwner.PRIMARY;
    }//from w w  w  .  j av a 2s . com
    info = new PerWorkingCopyInfo(this, null);
    // GROOVY End
}

From source file:org.eclipse.che.jdt.internal.core.search.matching.ClassFileMatchLocator.java

License:Open Source License

/**
 * Locate declaration in the current class file. This class file is always in a jar.
 *//*  w  ww.j a  v a  2  s  .  com*/
public void locateMatches(MatchLocator locator, ClassFile classFile, IBinaryType info) throws CoreException {
    SearchPattern pattern = locator.pattern;

    // check annotations references
    matchAnnotations(pattern, locator, classFile, info);

    // check class definition
    BinaryType binaryType = (BinaryType) classFile.getType();
    if (matchBinary(pattern, info, null)) {
        binaryType = new ResolvedBinaryType((JavaElement) binaryType.getParent(), binaryType.getElementName(),
                binaryType.getKey());
        locator.reportBinaryMemberDeclaration(null, binaryType, null, info, SearchMatch.A_ACCURATE);
        return;
    }

    // Define arrays to store methods/fields from binary type if necessary
    IBinaryMethod[] binaryMethods = info.getMethods();
    int bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length;
    IBinaryMethod[] unresolvedMethods = null;
    char[][] binaryMethodSignatures = null;
    boolean hasUnresolvedMethods = false;

    // Get fields from binary type info
    IBinaryField[] binaryFields = info.getFields();
    int bFieldsLength = binaryFields == null ? 0 : binaryFields.length;
    IBinaryField[] unresolvedFields = null;
    boolean hasUnresolvedFields = false;

    // Report as many accurate matches as possible
    int accuracy = SearchMatch.A_ACCURATE;
    boolean mustResolve = pattern.mustResolve;
    if (mustResolve) {
        BinaryTypeBinding binding = locator.cacheBinaryType(binaryType, info);
        if (binding != null) {
            // filter out element not in hierarchy scope
            if (!locator.typeInHierarchy(binding))
                return;

            // Search matches on resolved methods
            MethodBinding[] availableMethods = binding.availableMethods();
            int aMethodsLength = availableMethods == null ? 0 : availableMethods.length;
            hasUnresolvedMethods = bMethodsLength != aMethodsLength;
            for (int i = 0; i < aMethodsLength; i++) {
                MethodBinding method = availableMethods[i];
                char[] methodSignature = method.genericSignature();
                if (methodSignature == null)
                    methodSignature = method.signature();

                // Report the match if possible
                int level = locator.patternLocator.resolveLevel(method);
                if (level != org.eclipse.jdt.internal.core.search.matching.PatternLocator.IMPOSSIBLE_MATCH) {
                    IMethod methodHandle = binaryType.getMethod(
                            new String(method.isConstructor()
                                    ? binding.compoundName[binding.compoundName.length - 1]
                                    : method.selector),
                            CharOperation.toStrings(
                                    Signature.getParameterTypes(convertClassFileFormat(methodSignature))));
                    accuracy = level == org.eclipse.jdt.internal.core.search.matching.PatternLocator.ACCURATE_MATCH
                            ? SearchMatch.A_ACCURATE
                            : SearchMatch.A_INACCURATE;
                    locator.reportBinaryMemberDeclaration(null, methodHandle, method, info, accuracy);
                }

                // Remove method from unresolved list
                if (hasUnresolvedMethods) {
                    if (binaryMethodSignatures == null) { // Store binary method signatures to avoid multiple computation
                        binaryMethodSignatures = new char[bMethodsLength][];
                        for (int j = 0; j < bMethodsLength; j++) {
                            IBinaryMethod binaryMethod = binaryMethods[j];
                            char[] signature = binaryMethod.getGenericSignature();
                            if (signature == null)
                                signature = binaryMethod.getMethodDescriptor();
                            binaryMethodSignatures[j] = signature;
                        }
                    }
                    for (int j = 0; j < bMethodsLength; j++) {
                        if (CharOperation.equals(binaryMethods[j].getSelector(), method.selector)
                                && CharOperation.equals(binaryMethodSignatures[j], methodSignature)) {
                            if (unresolvedMethods == null) {
                                System.arraycopy(binaryMethods, 0,
                                        unresolvedMethods = new IBinaryMethod[bMethodsLength], 0,
                                        bMethodsLength);
                            }
                            unresolvedMethods[j] = null;
                            break;
                        }
                    }
                }
            }

            // Search matches on resolved fields
            FieldBinding[] availableFields = binding.availableFields();
            int aFieldsLength = availableFields == null ? 0 : availableFields.length;
            hasUnresolvedFields = bFieldsLength != aFieldsLength;
            for (int i = 0; i < aFieldsLength; i++) {
                FieldBinding field = availableFields[i];

                // Report the match if possible
                int level = locator.patternLocator.resolveLevel(field);
                if (level != org.eclipse.jdt.internal.core.search.matching.PatternLocator.IMPOSSIBLE_MATCH) {
                    IField fieldHandle = binaryType.getField(new String(field.name));
                    accuracy = level == PatternLocator.ACCURATE_MATCH ? SearchMatch.A_ACCURATE
                            : SearchMatch.A_INACCURATE;
                    locator.reportBinaryMemberDeclaration(null, fieldHandle, field, info, accuracy);
                }

                // Remove the field from unresolved list
                if (hasUnresolvedFields) {
                    for (int j = 0; j < bFieldsLength; j++) {
                        if (CharOperation.equals(binaryFields[j].getName(), field.name)) {
                            if (unresolvedFields == null) {
                                System.arraycopy(binaryFields, 0,
                                        unresolvedFields = new IBinaryField[bFieldsLength], 0, bFieldsLength);
                            }
                            unresolvedFields[j] = null;
                            break;
                        }
                    }
                }
            }

            // If all methods/fields were accurate then returns now
            if (!hasUnresolvedMethods && !hasUnresolvedFields) {
                return;
            }
        }
        accuracy = SearchMatch.A_INACCURATE;
    }

    // Report inaccurate methods
    if (mustResolve)
        binaryMethods = unresolvedMethods;
    bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length;
    for (int i = 0; i < bMethodsLength; i++) {
        IBinaryMethod method = binaryMethods[i];
        if (method == null)
            continue; // impossible match or already reported as accurate
        if (matchBinary(pattern, method, info)) {
            char[] name;
            if (method.isConstructor()) {
                // https://bugs.eclipse.org/bugs/show_bug.cgi?id=329727
                // We don't need the enclosing type name for the constructor name
                name = info.getSourceName();
            } else {
                name = method.getSelector();
            }
            String selector = new String(name);
            char[] methodSignature = binaryMethodSignatures == null ? null : binaryMethodSignatures[i];
            if (methodSignature == null) {
                methodSignature = method.getGenericSignature();
                if (methodSignature == null)
                    methodSignature = method.getMethodDescriptor();
            }
            String[] parameterTypes = CharOperation
                    .toStrings(Signature.getParameterTypes(convertClassFileFormat(methodSignature)));
            IMethod methodHandle = binaryType.getMethod(selector, parameterTypes);
            methodHandle = new ResolvedBinaryMethod(binaryType, selector, parameterTypes,
                    methodHandle.getKey());
            locator.reportBinaryMemberDeclaration(null, methodHandle, null, info, accuracy);
        }
    }

    // Report inaccurate fields
    if (mustResolve)
        binaryFields = unresolvedFields;
    bFieldsLength = binaryFields == null ? 0 : binaryFields.length;
    for (int i = 0; i < bFieldsLength; i++) {
        IBinaryField field = binaryFields[i];
        if (field == null)
            continue; // impossible match or already reported as accurate
        if (matchBinary(pattern, field, info)) {
            String fieldName = new String(field.getName());
            IField fieldHandle = binaryType.getField(fieldName);
            fieldHandle = new ResolvedBinaryField(binaryType, fieldName, fieldHandle.getKey());
            locator.reportBinaryMemberDeclaration(null, fieldHandle, null, info, accuracy);
        }
    }
}

From source file:org.eclipse.jdt.internal.core.hierarchy.HierarchyResolver.java

License:Open Source License

/**
 * Resolve the supertypes for the types contained in the given openables (ICompilationUnits and/or IClassFiles).
 * Inform the requestor of the resolved supertypes for each
 * supplied source type using://from  w  w w.  j  a va2 s. c  o  m
 *    connect(ISourceType suppliedType, IGenericType superclass, IGenericType[] superinterfaces)
 *
 * Also inform the requestor of the supertypes of each
 * additional requested super type which is also a source type
 * instead of a binary type.
 * @param openables
 * @param localTypes
 * @param monitor
 */
public void resolve(Openable[] openables, HashSet localTypes, IProgressMonitor monitor) {
    try {
        int openablesLength = openables.length;
        CompilationUnitDeclaration[] parsedUnits = new CompilationUnitDeclaration[openablesLength];
        boolean[] hasLocalType = new boolean[openablesLength];
        org.eclipse.jdt.core.ICompilationUnit[] cus = new org.eclipse.jdt.core.ICompilationUnit[openablesLength];
        int unitsIndex = 0;

        CompilationUnitDeclaration focusUnit = null;
        ReferenceBinding focusBinaryBinding = null;
        IType focus = this.builder.getType();
        Openable focusOpenable = null;
        if (focus != null) {
            if (focus.isBinary()) {
                focusOpenable = (Openable) focus.getClassFile();
            } else {
                focusOpenable = (Openable) focus.getCompilationUnit();
            }
        }

        // build type bindings

        // GROOVY start: ensure downstream groovy parses share the same compilationunit
        /* old {
        Parser parser = new Parser(this.lookupEnvironment.problemReporter, true);
        } new */
        Parser parser = LanguageSupportFactory.getParser(this, this.lookupEnvironment.globalOptions,
                this.lookupEnvironment.problemReporter, true, 1);
        // GROOVY end
        for (int i = 0; i < openablesLength; i++) {
            Openable openable = openables[i];
            if (openable instanceof org.eclipse.jdt.core.ICompilationUnit) {
                org.eclipse.jdt.core.ICompilationUnit cu = (org.eclipse.jdt.core.ICompilationUnit) openable;

                // contains a potential subtype as a local or anonymous type?
                boolean containsLocalType = false;
                if (localTypes == null) { // case of hierarchy on region
                    containsLocalType = true;
                } else {
                    IPath path = cu.getPath();
                    containsLocalType = localTypes.contains(path.toString());
                }

                // build parsed unit
                CompilationUnitDeclaration parsedUnit = null;
                if (cu.isOpen()) {
                    // create parsed unit from source element infos
                    CompilationResult result = new CompilationResult((ICompilationUnit) cu, i, openablesLength,
                            this.options.maxProblemsPerUnit);
                    SourceTypeElementInfo[] typeInfos = null;
                    try {
                        IType[] topLevelTypes = cu.getTypes();
                        int topLevelLength = topLevelTypes.length;
                        if (topLevelLength == 0)
                            continue; // empty cu: no need to parse (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=65677)
                        typeInfos = new SourceTypeElementInfo[topLevelLength];
                        for (int j = 0; j < topLevelLength; j++) {
                            IType topLevelType = topLevelTypes[j];
                            typeInfos[j] = (SourceTypeElementInfo) ((JavaElement) topLevelType)
                                    .getElementInfo();
                        }
                    } catch (JavaModelException e) {
                        // types/cu exist since cu is opened
                    }
                    int flags = !containsLocalType ? SourceTypeConverter.MEMBER_TYPE
                            : SourceTypeConverter.FIELD_AND_METHOD | SourceTypeConverter.MEMBER_TYPE
                                    | SourceTypeConverter.LOCAL_TYPE;
                    parsedUnit = SourceTypeConverter.buildCompilationUnit(typeInfos, flags,
                            this.lookupEnvironment.problemReporter, result);

                    // We would have got all the necessary local types by now and hence there is no further need 
                    // to parse the method bodies. Parser.getMethodBodies, which is called latter in this function, 
                    // will not parse the method statements if ASTNode.HasAllMethodBodies is set. 
                    if (containsLocalType)
                        parsedUnit.bits |= ASTNode.HasAllMethodBodies;
                } else {
                    // create parsed unit from file
                    IFile file = (IFile) cu.getResource();
                    ICompilationUnit sourceUnit = this.builder.createCompilationUnitFromPath(openable, file);

                    CompilationResult unitResult = new CompilationResult(sourceUnit, i, openablesLength,
                            this.options.maxProblemsPerUnit);
                    parsedUnit = parser.dietParse(sourceUnit, unitResult);
                }

                if (parsedUnit != null) {
                    hasLocalType[unitsIndex] = containsLocalType;
                    cus[unitsIndex] = cu;
                    parsedUnits[unitsIndex++] = parsedUnit;
                    try {
                        this.lookupEnvironment.buildTypeBindings(parsedUnit, null /*no access restriction*/);
                        if (openable.equals(focusOpenable)) {
                            focusUnit = parsedUnit;
                        }
                    } catch (AbortCompilation e) {
                        // classpath problem for this type: ignore
                    }
                }
            } else {
                // cache binary type binding
                ClassFile classFile = (ClassFile) openable;
                IBinaryType binaryType = (IBinaryType) JavaModelManager.getJavaModelManager()
                        .getInfo(classFile.getType());
                if (binaryType == null) {
                    // create binary type from file
                    if (classFile.getPackageFragmentRoot().isArchive()) {
                        binaryType = this.builder.createInfoFromClassFileInJar(classFile);
                    } else {
                        IResource file = classFile.resource();
                        binaryType = this.builder.createInfoFromClassFile(classFile, file);
                    }
                }
                if (binaryType != null) {
                    try {
                        BinaryTypeBinding binaryTypeBinding = this.lookupEnvironment.cacheBinaryType(binaryType,
                                false/*don't need field and method (bug 125067)*/,
                                null /*no access restriction*/);
                        remember(binaryType, binaryTypeBinding);
                        if (openable.equals(focusOpenable)) {
                            focusBinaryBinding = binaryTypeBinding;
                        }
                    } catch (AbortCompilation e) {
                        // classpath problem for this type: ignore
                    }
                }
            }
        }

        // remember type declaration of focus if local/anonymous early (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=210498)
        TypeDeclaration focusLocalType = null;
        if (focus != null && focusBinaryBinding == null && focusUnit != null
                && ((Member) focus).getOuterMostLocalContext() != null) {
            focusLocalType = new ASTNodeFinder(focusUnit).findType(focus);
        }

        for (int i = 0; i <= this.typeIndex; i++) {
            IGenericType suppliedType = this.typeModels[i];
            if (suppliedType != null && suppliedType.isBinaryType()) {
                CompilationUnitDeclaration previousUnitBeingCompleted = this.lookupEnvironment.unitBeingCompleted;
                // fault in its hierarchy...
                try {
                    // ensure that unitBeingCompleted is set so that we don't get an AbortCompilation for a missing type
                    // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=213249 )
                    if (previousUnitBeingCompleted == null) {
                        this.lookupEnvironment.unitBeingCompleted = FakeUnit;
                    }
                    ReferenceBinding typeBinding = this.typeBindings[i];
                    typeBinding.superclass();
                    typeBinding.superInterfaces();
                } catch (AbortCompilation e) {
                    // classpath problem for this type: ignore
                } finally {
                    this.lookupEnvironment.unitBeingCompleted = previousUnitBeingCompleted;
                }
            }
        }

        // complete type bindings (i.e. connect super types)
        for (int i = 0; i < unitsIndex; i++) {
            CompilationUnitDeclaration parsedUnit = parsedUnits[i];
            if (parsedUnit != null) {
                try {
                    if (hasLocalType[i]) { // NB: no-op if method bodies have been already parsed
                        if (monitor != null && monitor.isCanceled())
                            throw new OperationCanceledException();
                        parser.getMethodBodies(parsedUnit);
                    }
                } catch (AbortCompilation e) {
                    // classpath problem for this type: don't try to resolve (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=49809)
                    hasLocalType[i] = false;
                }
            }
        }
        // complete type bindings and build fields and methods only for local types
        // (in this case the constructor is needed when resolving local types)
        // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=145333)
        try {
            this.lookupEnvironment.completeTypeBindings(parsedUnits, hasLocalType, unitsIndex);
            // remember type bindings
            for (int i = 0; i < unitsIndex; i++) {
                CompilationUnitDeclaration parsedUnit = parsedUnits[i];
                if (parsedUnit != null && !parsedUnit.hasErrors()) {
                    boolean containsLocalType = hasLocalType[i];
                    if (containsLocalType) {
                        if (monitor != null && monitor.isCanceled())
                            throw new OperationCanceledException();
                        parsedUnit.scope.faultInTypes();
                        parsedUnit.resolve();
                    }

                    rememberAllTypes(parsedUnit, cus[i], containsLocalType);
                }
            }
        } catch (AbortCompilation e) {
            // skip it silently
        }
        worked(monitor, 1);

        // if no potential subtype was a real subtype of the binary focus type, no need to go further
        // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=54043)
        if (focusBinaryBinding == null && focus != null && focus.isBinary()) {
            char[] fullyQualifiedName = focus.getFullyQualifiedName().toCharArray();
            focusBinaryBinding = this.lookupEnvironment
                    .getCachedType(CharOperation.splitOn('.', fullyQualifiedName));
            if (focusBinaryBinding == null)
                return;
        }

        reportHierarchy(focus, focusLocalType, focusBinaryBinding);

    } catch (ClassCastException e) { // work-around for 1GF5W1S - can happen in case duplicates are fed to the hierarchy with binaries hiding sources
    } catch (AbortCompilation e) { // ignore this exception for now since it typically means we cannot find java.lang.Object
        if (TypeHierarchy.DEBUG)
            e.printStackTrace();
    } finally {
        reset();
    }
}