| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| |
| import org.eclipse.jdt.core.*; |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryAnnotation; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryElementValuePair; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryField; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryMethod; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryNestedType; |
| import org.eclipse.jdt.internal.compiler.env.IBinaryType; |
| import org.eclipse.jdt.internal.compiler.lookup.TagBits; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeConstants; |
| import org.eclipse.jdt.internal.compiler.util.SuffixConstants; |
| |
| /** |
| * Element info for <code>ClassFile</code> handles. |
| */ |
| |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| /* package */ class ClassFileInfo extends OpenableElementInfo implements SuffixConstants { |
| /** |
| * The children of the <code>BinaryType</code> corresponding to our |
| * <code>ClassFile</code>. These are kept here because we don't have |
| * access to the <code>BinaryType</code> info (<code>ClassFileReader</code>). |
| */ |
| protected JavaElement[] binaryChildren = null; |
| /* |
| * The type parameters in this class file. |
| */ |
| protected ITypeParameter[] typeParameters; |
| |
| private void generateAnnotationsInfos(JavaElement member, IBinaryAnnotation[] binaryAnnotations, long tagBits, HashMap newElements) { |
| generateAnnotationsInfos(member, null, binaryAnnotations, tagBits, newElements); |
| } |
| /** |
| * Creates the handles and infos for the annotations of the given binary member. |
| * Adds new handles to the given vector. |
| */ |
| private void generateAnnotationsInfos(JavaElement member, char[] parameterName, IBinaryAnnotation[] binaryAnnotations, long tagBits, HashMap newElements) { |
| if (binaryAnnotations != null) { |
| for (int i = 0, length = binaryAnnotations.length; i < length; i++) { |
| IBinaryAnnotation annotationInfo = binaryAnnotations[i]; |
| generateAnnotationInfo(member, parameterName, newElements, annotationInfo, null); |
| } |
| } |
| generateStandardAnnotationsInfos(member, parameterName, tagBits, newElements); |
| } |
| private void generateAnnotationInfo(JavaElement parent, HashMap newElements, IBinaryAnnotation annotationInfo, String memberValuePairName) { |
| generateAnnotationInfo(parent, null, newElements, annotationInfo, memberValuePairName); |
| } |
| private void generateAnnotationInfo(JavaElement parent, char[] parameterName, HashMap newElements, IBinaryAnnotation annotationInfo, String memberValuePairName) { |
| char[] typeName = org.eclipse.jdt.core.Signature.toCharArray(CharOperation.replaceOnCopy(annotationInfo.getTypeName(), '/', '.')); |
| Annotation annotation = new Annotation(parent, new String(typeName), memberValuePairName); |
| while (newElements.containsKey(annotation)) { |
| annotation.occurrenceCount++; |
| } |
| newElements.put(annotation, annotationInfo); |
| IBinaryElementValuePair[] pairs = annotationInfo.getElementValuePairs(); |
| for (int i = 0, length = pairs.length; i < length; i++) { |
| Object value = pairs[i].getValue(); |
| if (value instanceof IBinaryAnnotation) { |
| generateAnnotationInfo(annotation, newElements, (IBinaryAnnotation) value, new String(pairs[i].getName())); |
| } else if (value instanceof Object[]) { |
| // if the value is an array, it can have no more than 1 dimension - no need to recurse |
| Object[] valueArray = (Object[]) value; |
| for (int j = 0, valueArrayLength = valueArray.length; j < valueArrayLength; j++) { |
| Object nestedValue = valueArray[j]; |
| if (nestedValue instanceof IBinaryAnnotation) { |
| generateAnnotationInfo(annotation, newElements, (IBinaryAnnotation) nestedValue, new String(pairs[i].getName())); |
| } |
| } |
| } |
| } |
| } |
| private void generateStandardAnnotationsInfos(JavaElement javaElement, char[] parameterName, long tagBits, HashMap newElements) { |
| if ((tagBits & TagBits.AllStandardAnnotationsMask) == 0) |
| return; |
| if ((tagBits & TagBits.AnnotationTargetMASK) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_ANNOTATION_TARGET, getTargetElementTypes(tagBits), newElements); |
| } |
| if ((tagBits & TagBits.AnnotationRetentionMASK) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_ANNOTATION_RETENTION, getRetentionPolicy(tagBits), newElements); |
| } |
| if ((tagBits & TagBits.AnnotationDeprecated) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_DEPRECATED, Annotation.NO_MEMBER_VALUE_PAIRS, newElements); |
| } |
| if ((tagBits & TagBits.AnnotationDocumented) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_ANNOTATION_DOCUMENTED, Annotation.NO_MEMBER_VALUE_PAIRS, newElements); |
| } |
| if ((tagBits & TagBits.AnnotationInherited) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_ANNOTATION_INHERITED, Annotation.NO_MEMBER_VALUE_PAIRS, newElements); |
| } |
| if ((tagBits & TagBits.AnnotationPolymorphicSignature) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_INVOKE_METHODHANDLE_$_POLYMORPHICSIGNATURE, Annotation.NO_MEMBER_VALUE_PAIRS, newElements); |
| } |
| if ((tagBits & TagBits.AnnotationSafeVarargs) != 0) { |
| generateStandardAnnotation(javaElement, TypeConstants.JAVA_LANG_SAFEVARARGS, Annotation.NO_MEMBER_VALUE_PAIRS, newElements); |
| } |
| // note that JAVA_LANG_SUPPRESSWARNINGS and JAVA_LANG_OVERRIDE cannot appear in binaries |
| } |
| |
| private void generateStandardAnnotation(JavaElement javaElement, char[][] typeName, IMemberValuePair[] members, HashMap newElements) { |
| IAnnotation annotation = new Annotation(javaElement, new String(CharOperation.concatWith(typeName, '.'))); |
| AnnotationInfo annotationInfo = new AnnotationInfo(); |
| annotationInfo.members = members; |
| newElements.put(annotation, annotationInfo); |
| } |
| |
| private IMemberValuePair[] getTargetElementTypes(long tagBits) { |
| ArrayList values = new ArrayList(); |
| String elementType = new String(CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_ELEMENTTYPE, '.')) + '.'; |
| if ((tagBits & TagBits.AnnotationForType) != 0) { |
| values.add(elementType + new String(TypeConstants.TYPE)); |
| } |
| if ((tagBits & TagBits.AnnotationForField) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_FIELD)); |
| } |
| if ((tagBits & TagBits.AnnotationForMethod) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_METHOD)); |
| } |
| if ((tagBits & TagBits.AnnotationForParameter) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_PARAMETER)); |
| } |
| if ((tagBits & TagBits.AnnotationForConstructor) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_CONSTRUCTOR)); |
| } |
| if ((tagBits & TagBits.AnnotationForLocalVariable) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_LOCAL_VARIABLE)); |
| } |
| if ((tagBits & TagBits.AnnotationForAnnotationType) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_ANNOTATION_TYPE)); |
| } |
| if ((tagBits & TagBits.AnnotationForPackage) != 0) { |
| values.add(elementType + new String(TypeConstants.UPPER_PACKAGE)); |
| } |
| final Object value; |
| if (values.size() == 0) { |
| if ((tagBits & TagBits.AnnotationTarget) != 0) |
| value = CharOperation.NO_STRINGS; |
| else |
| return Annotation.NO_MEMBER_VALUE_PAIRS; |
| } else if (values.size() == 1) { |
| value = values.get(0); |
| } else { |
| value = values.toArray(new String[values.size()]); |
| } |
| return new IMemberValuePair[] { |
| new IMemberValuePair() { |
| public int getValueKind() { |
| return IMemberValuePair.K_QUALIFIED_NAME; |
| } |
| public Object getValue() { |
| return value; |
| } |
| public String getMemberName() { |
| return new String(TypeConstants.VALUE); |
| } |
| } |
| }; |
| } |
| |
| private IMemberValuePair[] getRetentionPolicy(long tagBits) { |
| if ((tagBits & TagBits.AnnotationRetentionMASK) == 0) |
| return Annotation.NO_MEMBER_VALUE_PAIRS; |
| String retention = null; |
| if ((tagBits & TagBits.AnnotationRuntimeRetention) == TagBits.AnnotationRuntimeRetention) { |
| // TagBits.AnnotationRuntimeRetention combines both TagBits.AnnotationClassRetention & TagBits.AnnotationSourceRetention |
| retention = new String(CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_RETENTIONPOLICY, '.')) + '.' + new String(TypeConstants.UPPER_RUNTIME); |
| } else if ((tagBits & TagBits.AnnotationSourceRetention) != 0) { |
| retention = new String(CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_RETENTIONPOLICY, '.')) + '.' + new String(TypeConstants.UPPER_SOURCE); |
| } else { |
| retention = new String(CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_RETENTIONPOLICY, '.')) + '.' + new String(TypeConstants.UPPER_CLASS); |
| } |
| final String value = retention; |
| return |
| new IMemberValuePair[] { |
| new IMemberValuePair() { |
| public int getValueKind() { |
| return IMemberValuePair.K_QUALIFIED_NAME; |
| } |
| public Object getValue() { |
| return value; |
| } |
| public String getMemberName() { |
| return new String(TypeConstants.VALUE); |
| } |
| } |
| }; |
| } |
| |
| /** |
| * Creates the handles and infos for the fields of the given binary type. |
| * Adds new handles to the given vector. |
| */ |
| private void generateFieldInfos(IType type, IBinaryType typeInfo, HashMap newElements, ArrayList childrenHandles) { |
| // Make the fields |
| IBinaryField[] fields = typeInfo.getFields(); |
| if (fields == null) { |
| return; |
| } |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| for (int i = 0, fieldCount = fields.length; i < fieldCount; i++) { |
| IBinaryField fieldInfo = fields[i]; |
| BinaryField field = new BinaryField((JavaElement)type, manager.intern(new String(fieldInfo.getName()))); |
| newElements.put(field, fieldInfo); |
| childrenHandles.add(field); |
| generateAnnotationsInfos(field, fieldInfo.getAnnotations(), fieldInfo.getTagBits(), newElements); |
| } |
| } |
| /** |
| * Creates the handles for the inner types of the given binary type. |
| * Adds new handles to the given vector. |
| */ |
| private void generateInnerClassHandles(IType type, IBinaryType typeInfo, ArrayList childrenHandles) { |
| // Add inner types |
| // If the current type is an inner type, innerClasses returns |
| // an extra entry for the current type. This entry must be removed. |
| // Can also return an entry for the enclosing type of an inner type. |
| IBinaryNestedType[] innerTypes = typeInfo.getMemberTypes(); |
| if (innerTypes != null) { |
| IPackageFragment pkg = (IPackageFragment) type.getAncestor(IJavaElement.PACKAGE_FRAGMENT); |
| for (int i = 0, typeCount = innerTypes.length; i < typeCount; i++) { |
| IBinaryNestedType binaryType = innerTypes[i]; |
| IClassFile parentClassFile= pkg.getClassFile(new String(ClassFile.unqualifiedName(binaryType.getName())) + SUFFIX_STRING_class); |
| IType innerType = new BinaryType((JavaElement) parentClassFile, ClassFile.simpleName(binaryType.getName())); |
| childrenHandles.add(innerType); |
| } |
| } |
| } |
| /** |
| * Creates the handles and infos for the methods of the given binary type. |
| * Adds new handles to the given vector. |
| */ |
| private void generateMethodInfos(IType type, IBinaryType typeInfo, HashMap newElements, ArrayList childrenHandles, ArrayList typeParameterHandles) { |
| IBinaryMethod[] methods = typeInfo.getMethods(); |
| if (methods == null) { |
| return; |
| } |
| for (int i = 0, methodCount = methods.length; i < methodCount; i++) { |
| IBinaryMethod methodInfo = methods[i]; |
| final boolean isConstructor = methodInfo.isConstructor(); |
| boolean isEnum = false; |
| try { |
| isEnum = type.isEnum(); |
| } catch (JavaModelException e) { |
| // ignore |
| } |
| // TODO (jerome) filter out synthetic members |
| // indexer should not index them as well |
| // if ((methodInfo.getModifiers() & IConstants.AccSynthetic) != 0) continue; // skip synthetic |
| boolean useGenericSignature = true; |
| char[] signature = methodInfo.getGenericSignature(); |
| String[] pNames = null; |
| if (signature == null) { |
| useGenericSignature = false; |
| signature = methodInfo.getMethodDescriptor(); |
| if (isEnum && isConstructor) { |
| pNames = Signature.getParameterTypes(new String(signature)); |
| int length = pNames.length - 2; |
| if (length >= 0) // https://bugs.eclipse.org/bugs/show_bug.cgi?id=436347 |
| System.arraycopy(pNames, 2, pNames = new String[length], 0, length); |
| } |
| } |
| String selector = new String(methodInfo.getSelector()); |
| if (isConstructor) { |
| selector = type.getElementName(); |
| } |
| try { |
| if (!(isEnum && isConstructor && !useGenericSignature)) { |
| pNames = Signature.getParameterTypes(new String(signature)); |
| } |
| if (isConstructor |
| && useGenericSignature |
| && type.isMember() |
| && !Flags.isStatic(type.getFlags())) { |
| int length = pNames.length; |
| System.arraycopy(pNames, 0, (pNames = new String[length + 1]), 1, length); |
| char[] descriptor = methodInfo.getMethodDescriptor(); |
| final String[] parameterTypes = Signature.getParameterTypes(new String(descriptor)); |
| pNames[0] = parameterTypes[0]; |
| } |
| } catch (IllegalArgumentException e) { |
| // protect against malformed .class file (e.g. com/sun/crypto/provider/SunJCE_b.class has a 'a' generic signature) |
| signature = methodInfo.getMethodDescriptor(); |
| pNames = Signature.getParameterTypes(new String(signature)); |
| } catch (JavaModelException e) { |
| // protect against malformed .class file (e.g. com/sun/crypto/provider/SunJCE_b.class has a 'a' generic signature) |
| signature = methodInfo.getMethodDescriptor(); |
| pNames = Signature.getParameterTypes(new String(signature)); |
| } |
| char[][] paramNames= new char[pNames.length][]; |
| for (int j= 0; j < pNames.length; j++) { |
| paramNames[j]= pNames[j].toCharArray(); |
| } |
| char[][] parameterTypes = ClassFile.translatedNames(paramNames); |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| selector = manager.intern(selector); |
| for (int j= 0; j < pNames.length; j++) { |
| pNames[j]= manager.intern(new String(parameterTypes[j])); |
| } |
| BinaryMethod method = new BinaryMethod((JavaElement)type, selector, pNames); |
| childrenHandles.add(method); |
| |
| // ensure that 2 binary methods with the same signature but with different return types have different occurrence counts. |
| // (case of bridge methods in 1.5) |
| while (newElements.containsKey(method)) |
| method.occurrenceCount++; |
| |
| newElements.put(method, methodInfo); |
| |
| int max = pNames.length; |
| char[][] argumentNames = methodInfo.getArgumentNames(); |
| if (argumentNames == null || argumentNames.length < max) { |
| argumentNames = new char[max][]; |
| for (int j = 0; j < max; j++) { |
| argumentNames[j] = ("arg" + j).toCharArray(); //$NON-NLS-1$ |
| } |
| } |
| int startIndex = 0; |
| try { |
| if (isConstructor) { |
| if (isEnum) { |
| startIndex = 2; |
| } else if (type.isMember() |
| && !Flags.isStatic(type.getFlags())) { |
| startIndex = 1; |
| } |
| } |
| } catch(JavaModelException e) { |
| // ignore |
| } |
| for (int j = startIndex; j < max; j++) { |
| IBinaryAnnotation[] parameterAnnotations = methodInfo.getParameterAnnotations(j - startIndex, typeInfo.getFileName()); |
| if (parameterAnnotations != null) { |
| LocalVariable localVariable = new LocalVariable( |
| method, |
| new String(argumentNames[j]), |
| 0, |
| -1, |
| 0, |
| -1, |
| method.parameterTypes[j], |
| null, |
| -1, |
| true); |
| generateAnnotationsInfos(localVariable, argumentNames[j], parameterAnnotations, methodInfo.getTagBits(), newElements); |
| } |
| } |
| generateTypeParameterInfos(method, signature, newElements, typeParameterHandles); |
| generateAnnotationsInfos(method, methodInfo.getAnnotations(), methodInfo.getTagBits(), newElements); |
| Object defaultValue = methodInfo.getDefaultValue(); |
| if (defaultValue instanceof IBinaryAnnotation) { |
| generateAnnotationInfo(method, newElements, (IBinaryAnnotation) defaultValue, new String(methodInfo.getSelector())); |
| } |
| } |
| } |
| /** |
| * Creates the handles and infos for the type parameter of the given binary member. |
| * Adds new handles to the given vector. |
| */ |
| private void generateTypeParameterInfos(BinaryMember parent, char[] signature, HashMap newElements, ArrayList typeParameterHandles) { |
| if (signature == null) return; |
| char[][] typeParameterSignatures = Signature.getTypeParameters(signature); |
| for (int i = 0, typeParameterCount = typeParameterSignatures.length; i < typeParameterCount; i++) { |
| char[] typeParameterSignature = typeParameterSignatures[i]; |
| char[] typeParameterName = Signature.getTypeVariable(typeParameterSignature); |
| CharOperation.replace(typeParameterSignature, '/', '.'); |
| char[][] typeParameterBoundSignatures = Signature.getTypeParameterBounds(typeParameterSignature); |
| int boundLength = typeParameterBoundSignatures.length; |
| char[][] typeParameterBounds = new char[boundLength][]; |
| for (int j = 0; j < boundLength; j++) { |
| typeParameterBounds[j] = Signature.toCharArray(typeParameterBoundSignatures[j]); |
| } |
| TypeParameter typeParameter = new TypeParameter(parent, new String(typeParameterName)); |
| TypeParameterElementInfo info = new TypeParameterElementInfo(); |
| info.bounds = typeParameterBounds; |
| info.boundsSignatures = typeParameterBoundSignatures; |
| typeParameterHandles.add(typeParameter); |
| |
| // ensure that 2 binary methods with the same signature but with different return types have different occurence counts. |
| // (case of bridge methods in 1.5) |
| while (newElements.containsKey(typeParameter)) |
| typeParameter.occurrenceCount++; |
| |
| newElements.put(typeParameter, info); |
| } |
| } |
| /** |
| * Returns true iff the <code>readBinaryChildren</code> has already |
| * been called. |
| */ |
| boolean hasReadBinaryChildren() { |
| return this.binaryChildren != null; |
| } |
| /** |
| * Creates the handles for <code>BinaryMember</code>s defined in this |
| * <code>ClassFile</code> and adds them to the |
| * <code>JavaModelManager</code>'s cache. |
| */ |
| protected void readBinaryChildren(ClassFile classFile, HashMap newElements, IBinaryType typeInfo) { |
| ArrayList childrenHandles = new ArrayList(); |
| BinaryType type = (BinaryType) classFile.getType(); |
| ArrayList typeParameterHandles = new ArrayList(); |
| if (typeInfo != null) { //may not be a valid class file |
| generateAnnotationsInfos(type, typeInfo.getAnnotations(), typeInfo.getTagBits(), newElements); |
| generateTypeParameterInfos(type, typeInfo.getGenericSignature(), newElements, typeParameterHandles); |
| generateFieldInfos(type, typeInfo, newElements, childrenHandles); |
| generateMethodInfos(type, typeInfo, newElements, childrenHandles, typeParameterHandles); |
| generateInnerClassHandles(type, typeInfo, childrenHandles); // Note inner class are separate openables that are not opened here: no need to pass in newElements |
| } |
| |
| this.binaryChildren = new JavaElement[childrenHandles.size()]; |
| childrenHandles.toArray(this.binaryChildren); |
| int typeParameterHandleSize = typeParameterHandles.size(); |
| if (typeParameterHandleSize == 0) { |
| this.typeParameters = TypeParameter.NO_TYPE_PARAMETERS; |
| } else { |
| this.typeParameters = new ITypeParameter[typeParameterHandleSize]; |
| typeParameterHandles.toArray(this.typeParameters); |
| } |
| } |
| /** |
| * Removes the binary children handles and remove their infos from |
| * the <code>JavaModelManager</code>'s cache. |
| */ |
| void removeBinaryChildren() throws JavaModelException { |
| if (this.binaryChildren != null) { |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| for (int i = 0; i <this.binaryChildren.length; i++) { |
| JavaElement child = this.binaryChildren[i]; |
| if (child instanceof BinaryType) { |
| manager.removeInfoAndChildren((JavaElement)child.getParent()); |
| } else { |
| manager.removeInfoAndChildren(child); |
| } |
| } |
| this.binaryChildren = JavaElement.NO_ELEMENTS; |
| } |
| if (this.typeParameters != null) { |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| for (int i = 0; i <this.typeParameters.length; i++) { |
| TypeParameter typeParameter = (TypeParameter) this.typeParameters[i]; |
| manager.removeInfoAndChildren(typeParameter); |
| } |
| this.typeParameters = TypeParameter.NO_TYPE_PARAMETERS; |
| } |
| } |
| } |