/*******************************************************************************
* Copyright (c) 2000, 2009 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.wst.jsdt.core.dom;
import java.io.File;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.wst.jsdt.core.IClassFile;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.core.IPackageFragment;
import org.eclipse.wst.jsdt.core.IPackageFragmentRoot;
import org.eclipse.wst.jsdt.core.IType;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.core.JavaScriptModelException;
import org.eclipse.wst.jsdt.core.compiler.CharOperation;
import org.eclipse.wst.jsdt.internal.compiler.ast.Expression;
import org.eclipse.wst.jsdt.internal.compiler.env.IDependent;
import org.eclipse.wst.jsdt.internal.compiler.lookup.ArrayBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.BaseTypeBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.Binding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.FieldBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.LocalTypeBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.PackageBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.ReferenceBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.Scope;
import org.eclipse.wst.jsdt.internal.compiler.problem.AbortCompilation;
import org.eclipse.wst.jsdt.internal.compiler.util.SuffixConstants;
import org.eclipse.wst.jsdt.internal.compiler.util.Util;
import org.eclipse.wst.jsdt.internal.core.ClassFile;
import org.eclipse.wst.jsdt.internal.core.JavaElement;
/**
* Internal implementation of type bindings.
*/
class TypeBinding implements ITypeBinding {
protected static final IFunctionBinding[] NO_METHOD_BINDINGS = new IFunctionBinding[0];
private static final String NO_NAME = ""; //$NON-NLS-1$
protected static final ITypeBinding[] NO_TYPE_BINDINGS = new ITypeBinding[0];
protected static final IVariableBinding[] NO_VARIABLE_BINDINGS = new IVariableBinding[0];
private static final int VALID_MODIFIERS = Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE |
Modifier.ABSTRACT | Modifier.STATIC | Modifier.FINAL | Modifier.STRICTFP;
org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding binding;
private String key;
private BindingResolver resolver;
private IVariableBinding[] fields;
private IFunctionBinding[] methods;
private ITypeBinding[] members;
public TypeBinding(BindingResolver resolver, org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding binding) {
this.binding = binding;
this.resolver = resolver;
}
public ITypeBinding createArrayType(int dimension) {
int realDimensions = dimension;
realDimensions += this.getDimensions();
if (realDimensions < 1 || realDimensions > 255) {
throw new IllegalArgumentException();
}
return this.resolver.resolveArrayType(this, dimension);
}
/*
* @see ITypeBinding#getBinaryName()
*
*/
public String getBinaryName() {
char[] constantPoolName = this.binding.constantPoolName();
if (constantPoolName == null) return null;
char[] dotSeparated = CharOperation.replaceOnCopy(constantPoolName, '/', '.');
return new String(dotSeparated);
}
/*
* Returns the class file for the given file name, or null if not found.
* @see org.eclipse.wst.jsdt.internal.compiler.env.IDependent#getFileName()
*/
private IClassFile getClassFile(char[] fileName) {
int jarSeparator = CharOperation.indexOf(IDependent.JAR_FILE_ENTRY_SEPARATOR, fileName);
int pkgEnd = CharOperation.lastIndexOf('/', fileName); // pkgEnd is exclusive
if (pkgEnd == -1)
pkgEnd = CharOperation.lastIndexOf(File.separatorChar, fileName);
if (jarSeparator != -1 && pkgEnd < jarSeparator) // if in a jar and no slash, it is a default package -> pkgEnd should be equal to jarSeparator
pkgEnd = jarSeparator;
if (pkgEnd == -1)
return null;
IPackageFragment pkg = getPackageFragment(fileName, pkgEnd, jarSeparator);
if (pkg == null) return null;
int start;
return pkg.getClassFile(new String(fileName, start = pkgEnd + 1, fileName.length - start));
}
/*
* Returns the javaScript unit for the given file name, or null if not found.
* @see org.eclipse.wst.jsdt.internal.compiler.env.IDependent#getFileName()
*/
private IJavaScriptUnit getCompilationUnit(char[] fileName) {
char[] slashSeparatedFileName = CharOperation.replaceOnCopy(fileName, File.separatorChar, '/');
int pkgEnd = CharOperation.lastIndexOf('/', slashSeparatedFileName); // pkgEnd is exclusive
if (pkgEnd == -1)
return null;
IPackageFragment pkg = getPackageFragment(slashSeparatedFileName, pkgEnd, -1/*no jar separator for .js files*/);
if (pkg == null) return null;
int start;
IJavaScriptUnit cu = pkg.getJavaScriptUnit(new String(slashSeparatedFileName, start = pkgEnd+1, slashSeparatedFileName.length - start));
if (this.resolver instanceof DefaultBindingResolver) {
IJavaScriptUnit workingCopy = cu.findWorkingCopy(((DefaultBindingResolver) this.resolver).workingCopyOwner);
if (workingCopy != null)
return workingCopy;
}
return cu;
}
/*
* @see ITypeBinding#getComponentType()
*/
public ITypeBinding getComponentType() {
if (!this.isArray()) {
return null;
}
ArrayBinding arrayBinding = (ArrayBinding) binding;
return resolver.getTypeBinding(arrayBinding.elementsType());
}
/*
* @see ITypeBinding#getDeclaredFields()
*/
public synchronized IVariableBinding[] getDeclaredFields() {
if (this.fields != null) {
return this.fields;
}
try {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
FieldBinding[] fieldBindings = referenceBinding.availableFields(); // resilience
int length = fieldBindings.length;
if (length != 0) {
IVariableBinding[] newFields = new IVariableBinding[length];
for (int i = 0; i < length; i++) {
IVariableBinding variableBinding = this.resolver.getVariableBinding(fieldBindings[i]);
if (variableBinding == null) {
return this.fields = NO_VARIABLE_BINDINGS;
}
newFields[i] = variableBinding;
}
return this.fields = newFields;
}
}
} catch (RuntimeException e) {
/* in case a method cannot be resolvable due to missing jars on the includepath
* see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=63550
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=64299
*/
org.eclipse.wst.jsdt.internal.core.util.Util.log(e, "Could not retrieve declared fields"); //$NON-NLS-1$
}
return this.fields = NO_VARIABLE_BINDINGS;
}
/*
* @see ITypeBinding#getDeclaredMethods()
*/
public synchronized IFunctionBinding[] getDeclaredMethods() {
if (this.methods != null) {
return this.methods;
}
try {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding[] internalMethods = referenceBinding.availableMethods(); // be resilient
int length = internalMethods.length;
if (length != 0) {
int removeSyntheticsCounter = 0;
IFunctionBinding[] newMethods = new IFunctionBinding[length];
for (int i = 0; i < length; i++) {
org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding methodBinding = internalMethods[i];
if (!shouldBeRemoved(methodBinding)) {
IFunctionBinding methodBinding2 = this.resolver.getMethodBinding(methodBinding);
if (methodBinding2 != null) {
newMethods[removeSyntheticsCounter++] = methodBinding2;
}
}
}
if (removeSyntheticsCounter != length) {
System.arraycopy(newMethods, 0, (newMethods = new IFunctionBinding[removeSyntheticsCounter]), 0, removeSyntheticsCounter);
}
return this.methods = newMethods;
}
}
} catch (RuntimeException e) {
/* in case a method cannot be resolvable due to missing jars on the includepath
* see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=63550
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=64299
*/
org.eclipse.wst.jsdt.internal.core.util.Util.log(e, "Could not retrieve declared methods"); //$NON-NLS-1$
}
return this.methods = NO_METHOD_BINDINGS;
}
/*
* @see ITypeBinding#getDeclaredModifiers()
*/
public int getDeclaredModifiers() {
return getModifiers();
}
/*
* @see ITypeBinding#getDeclaredTypes()
*/
public synchronized ITypeBinding[] getDeclaredTypes() {
if (this.members != null) {
return this.members;
}
try {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
ReferenceBinding[] internalMembers = referenceBinding.memberTypes();
int length = internalMembers.length;
if (length != 0) {
ITypeBinding[] newMembers = new ITypeBinding[length];
for (int i = 0; i < length; i++) {
ITypeBinding typeBinding = this.resolver.getTypeBinding(internalMembers[i]);
if (typeBinding == null) {
return this.members = NO_TYPE_BINDINGS;
}
newMembers[i] = typeBinding;
}
return this.members = newMembers;
}
}
} catch (RuntimeException e) {
/* in case a method cannot be resolvable due to missing jars on the includepath
* see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=63550
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=64299
*/
org.eclipse.wst.jsdt.internal.core.util.Util.log(e, "Could not retrieve declared methods"); //$NON-NLS-1$
}
return this.members = NO_TYPE_BINDINGS;
}
/*
* @see ITypeBinding#getDeclaringMethod()
*/
public synchronized IFunctionBinding getDeclaringMethod() {
if (this.binding instanceof LocalTypeBinding) {
LocalTypeBinding localTypeBinding = (LocalTypeBinding) this.binding;
MethodBinding methodBinding = localTypeBinding.enclosingMethod;
if (methodBinding != null) {
try {
return this.resolver.getMethodBinding(localTypeBinding.enclosingMethod);
} catch (RuntimeException e) {
/* in case a method cannot be resolvable due to missing jars on the includepath
* see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=63550
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=64299
*/
org.eclipse.wst.jsdt.internal.core.util.Util.log(e, "Could not retrieve declaring method"); //$NON-NLS-1$
}
}
}
return null;
}
/*
* @see ITypeBinding#getDeclaringClass()
*/
public synchronized ITypeBinding getDeclaringClass() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
if (referenceBinding.isNestedType()) {
try {
return this.resolver.getTypeBinding(referenceBinding.enclosingType());
} catch (RuntimeException e) {
/* in case a method cannot be resolvable due to missing jars on the includepath
* see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=63550
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=64299
*/
org.eclipse.wst.jsdt.internal.core.util.Util.log(e, "Could not retrieve declaring class"); //$NON-NLS-1$
}
}
}
return null;
}
/*
* @see ITypeBinding#getDimensions()
*/
public int getDimensions() {
if (!this.isArray()) {
return 0;
}
ArrayBinding arrayBinding = (ArrayBinding) binding;
return arrayBinding.dimensions;
}
/*
* @see ITypeBinding#getElementType()
*/
public ITypeBinding getElementType() {
if (!this.isArray()) {
return null;
}
ArrayBinding arrayBinding = (ArrayBinding) binding;
return resolver.getTypeBinding(arrayBinding.leafComponentType);
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.core.dom.ITypeBinding#getTypeDeclaration()
*/
public ITypeBinding getTypeDeclaration() {
return this;
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.core.dom.ITypeBinding#getErasure()
*/
public ITypeBinding getErasure() {
return this.resolver.getTypeBinding(this.binding);
}
public IJavaScriptElement getJavaElement() {
JavaElement element = getUnresolvedJavaElement();
if (element == null)
return null;
return element.resolved(this.binding);
}
private JavaElement getUnresolvedJavaElement() {
return getUnresolvedJavaElement(this.binding);
}
private JavaElement getUnresolvedJavaElement(org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding typeBinding ) {
if (typeBinding == null)
return null;
switch (typeBinding.kind()) {
case Binding.ARRAY_TYPE :
typeBinding = ((ArrayBinding) typeBinding).leafComponentType();
return getUnresolvedJavaElement(typeBinding);
case Binding.BASE_TYPE :
return null;
}
ReferenceBinding referenceBinding = (ReferenceBinding) typeBinding;
char[] fileName = referenceBinding.getFileName();
if (referenceBinding.isLocalType() || referenceBinding.isAnonymousType()) {
// local or anonymous type
if (Util.isClassFileName(fileName)) {
int jarSeparator = CharOperation.indexOf(IDependent.JAR_FILE_ENTRY_SEPARATOR, fileName);
int pkgEnd = CharOperation.lastIndexOf('/', fileName); // pkgEnd is exclusive
if (pkgEnd == -1)
pkgEnd = CharOperation.lastIndexOf(File.separatorChar, fileName);
if (jarSeparator != -1 && pkgEnd < jarSeparator) // if in a jar and no slash, it is a default package -> pkgEnd should be equal to jarSeparator
pkgEnd = jarSeparator;
if (pkgEnd == -1)
return null;
IPackageFragment pkg = getPackageFragment(fileName, pkgEnd, jarSeparator);
char[] constantPoolName = referenceBinding.constantPoolName();
if (constantPoolName == null) {
ClassFile classFile = (ClassFile) getClassFile(fileName);
return classFile == null ? null : (JavaElement) classFile.getType();
}
pkgEnd = CharOperation.lastIndexOf('/', constantPoolName);
char[] classFileName = CharOperation.subarray(constantPoolName, pkgEnd+1, constantPoolName.length);
ClassFile classFile = (ClassFile) pkg.getClassFile(new String(classFileName) + SuffixConstants.SUFFIX_STRING_java);
return (JavaElement) classFile.getType();
}
IJavaScriptUnit cu = getCompilationUnit(fileName);
if (cu == null) return null;
// must use getElementAt(...) as there is no back pointer to the defining method (scope is null after resolution has ended)
try {
int sourceStart = ((LocalTypeBinding) referenceBinding).sourceStart;
return (JavaElement) cu.getElementAt(sourceStart);
} catch (JavaScriptModelException e) {
// does not exist
return null;
}
} else {
if (fileName == null) return null; // case of a WilCardBinding that doesn't have a corresponding JavaScript element
// member or top level type
ITypeBinding declaringTypeBinding = null;
if (this.isArray()) {
declaringTypeBinding = this.getElementType().getDeclaringClass();
} else {
declaringTypeBinding = this.getDeclaringClass();
}
if (declaringTypeBinding == null) {
// top level type
if (Util.isClassFileName(fileName)) {
ClassFile classFile = (ClassFile) getClassFile(fileName);
if (classFile == null) return null;
return (JavaElement) classFile.getType();
}
IJavaScriptUnit cu = getCompilationUnit(fileName);
if (cu == null) return null;
return (JavaElement) cu.getType(new String(referenceBinding.sourceName()));
} else {
// member type
IType declaringType = (IType) declaringTypeBinding.getJavaElement();
if (declaringType == null) return null;
return (JavaElement) declaringType.getType(new String(referenceBinding.sourceName()));
}
}
}
/*
* @see IBinding#getKey()
*/
public String getKey() {
if (this.key == null) {
this.key = new String(this.binding.computeUniqueKey());
}
return this.key;
}
/*
* @see IBinding#getKind()
*/
public int getKind() {
return IBinding.TYPE;
}
/*
* @see IBinding#getModifiers()
*/
public int getModifiers() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
final int accessFlags = referenceBinding.getAccessFlags() & VALID_MODIFIERS;
if (referenceBinding.isAnonymousType()) {
return accessFlags & ~Modifier.FINAL;
}
return accessFlags;
} else {
return Modifier.NONE;
}
}
public String getName() {
StringBuffer buffer;
switch (this.binding.kind()) {
case Binding.ARRAY_TYPE :
ITypeBinding elementType = getElementType();
if (elementType.isLocal() || elementType.isAnonymous()) {
return NO_NAME;
}
int dimensions = getDimensions();
char[] brackets = new char[dimensions * 2];
for (int i = dimensions * 2 - 1; i >= 0; i -= 2) {
brackets[i] = ']';
brackets[i - 1] = '[';
}
buffer = new StringBuffer(elementType.getName());
buffer.append(brackets);
return String.valueOf(buffer);
default :
if (isPrimitive() || isNullType()) {
BaseTypeBinding baseTypeBinding = (BaseTypeBinding) this.binding;
return new String(baseTypeBinding.simpleName);
}
if (isAnonymous()) {
return NO_NAME;
}
return new String(this.binding.sourceName());
}
}
/*
* @see ITypeBinding#getPackage()
*/
public IPackageBinding getPackage() {
switch (this.binding.kind()) {
case Binding.BASE_TYPE :
case Binding.ARRAY_TYPE :
return null;
}
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return this.resolver.getPackageBinding(referenceBinding.getPackage());
}
/*
* Returns the package that includes the given file name, or null if not found.
* pkgEnd == jarSeparator if default package in a jar
* pkgEnd > jarSeparator if non default package in a jar
* pkgEnd > 0 if package not in a jar
*
* @see org.eclipse.wst.jsdt.internal.compiler.env.IDependent#getFileName()
*/
private IPackageFragment getPackageFragment(char[] fileName, int pkgEnd, int jarSeparator) {
if (jarSeparator != -1) {
String jarMemento = new String(fileName, 0, jarSeparator);
IPackageFragmentRoot root = (IPackageFragmentRoot) JavaScriptCore.create(jarMemento);
if (pkgEnd == jarSeparator)
return root.getPackageFragment(IPackageFragment.DEFAULT_PACKAGE_NAME);
char[] pkgName = CharOperation.subarray(fileName, jarSeparator+1, pkgEnd);
CharOperation.replace(pkgName, '/', '.');
return root.getPackageFragment(new String(pkgName));
} else {
Path path = new Path(new String(fileName, 0, pkgEnd));
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
IContainer folder = path.segmentCount() == 1 ? workspaceRoot.getProject(path.lastSegment()) : (IContainer) workspaceRoot.getFolder(path);
IJavaScriptElement element = JavaScriptCore.create(folder);
if (element == null) return null;
switch (element.getElementType()) {
case IJavaScriptElement.PACKAGE_FRAGMENT:
return (IPackageFragment) element;
case IJavaScriptElement.PACKAGE_FRAGMENT_ROOT:
return ((IPackageFragmentRoot) element).getPackageFragment(IPackageFragment.DEFAULT_PACKAGE_NAME);
case IJavaScriptElement.JAVASCRIPT_PROJECT:
IPackageFragmentRoot root = ((IJavaScriptProject) element).getPackageFragmentRoot(folder);
if (root == null) return null;
return root.getPackageFragment(IPackageFragment.DEFAULT_PACKAGE_NAME);
}
return null;
}
}
/**
* @see org.eclipse.wst.jsdt.core.dom.ITypeBinding#getQualifiedName()
*/
public String getQualifiedName() {
StringBuffer buffer;
switch (this.binding.kind()) {
case Binding.ARRAY_TYPE :
ITypeBinding elementType = getElementType();
if (elementType.isLocal() || elementType.isAnonymous()) {
return NO_NAME;
}
final int dimensions = getDimensions();
char[] brackets = new char[dimensions * 2];
for (int i = dimensions * 2 - 1; i >= 0; i -= 2) {
brackets[i] = ']';
brackets[i - 1] = '[';
}
buffer = new StringBuffer(elementType.getQualifiedName());
buffer.append(brackets);
return String.valueOf(buffer);
default :
if (isAnonymous() || isLocal()) {
return NO_NAME;
}
if (isPrimitive() || isNullType()) {
BaseTypeBinding baseTypeBinding = (BaseTypeBinding) this.binding;
return new String(baseTypeBinding.simpleName);
}
if (isMember()) {
buffer = new StringBuffer();
buffer
.append(getDeclaringClass().getQualifiedName())
.append('.');
buffer.append(getName());
return String.valueOf(buffer);
}
PackageBinding packageBinding = this.binding.getPackage();
buffer = new StringBuffer();
if (packageBinding != null && packageBinding.compoundName != CharOperation.NO_CHAR_CHAR) {
buffer.append(CharOperation.concatWith(packageBinding.compoundName, '.')).append('.');
}
buffer.append(getName());
return String.valueOf(buffer);
}
}
/*
* @see ITypeBinding#getSuperclass()
*/
public synchronized ITypeBinding getSuperclass() {
if (this.binding == null)
return null;
switch (this.binding.kind()) {
case Binding.ARRAY_TYPE :
case Binding.BASE_TYPE :
return null;
}
ReferenceBinding superclass = null;
try {
superclass = ((ReferenceBinding)this.binding).superclass();
} catch (RuntimeException e) {
/* in case a method cannot be resolvable due to missing jars on the includepath
* see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=63550
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=64299
*/
org.eclipse.wst.jsdt.internal.core.util.Util.log(e, "Could not retrieve superclass"); //$NON-NLS-1$
return this.resolver.resolveWellKnownType("Object"); //$NON-NLS-1$
}
if (superclass == null) {
return null;
}
return this.resolver.getTypeBinding(superclass);
}
/*
* @see ITypeBinding#isAnonymous()
*/
public boolean isAnonymous() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return referenceBinding.isAnonymousType();
}
return false;
}
/*
* @see ITypeBinding#isArray()
*/
public boolean isArray() {
return binding.isArrayType();
}
/* (non-Javadoc)
* @see ITypeBinding#isAssignmentCompatible(ITypeBinding)
*/
public boolean isAssignmentCompatible(ITypeBinding type) {
try {
if (this == type) return true;
if (!(type instanceof TypeBinding)) return false;
TypeBinding other = (TypeBinding) type;
Scope scope = this.resolver.scope();
if (scope == null) return false;
return this.binding.isCompatibleWith(other.binding) || scope.isBoxingCompatibleWith(this.binding, other.binding);
} catch (AbortCompilation e) {
// don't surface internal exception to clients
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=143013
return false;
}
}
/* (non-Javadoc)
* @see ITypeBinding#isCastCompatible(ITypeBinding)
*/
public boolean isCastCompatible(ITypeBinding type) {
try {
Expression expression = new Expression() {
public StringBuffer printExpression(int indent,StringBuffer output) {
return null;
}
};
Scope scope = this.resolver.scope();
if (scope == null) return false;
if (!(type instanceof TypeBinding)) return false;
org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding expressionType = ((TypeBinding) type).binding;
// simulate capture in case checked binding did not properly get extracted from a reference
return expression.checkCastTypesCompatibility(scope, this.binding, expressionType, null);
} catch (AbortCompilation e) {
// don't surface internal exception to clients
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=143013
return false;
}
}
/*
* @see ITypeBinding#isClass()
*/
public boolean isClass() {
return this.binding.isClass();
}
/*
* @see IBinding#isDeprecated()
*/
public boolean isDeprecated() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return referenceBinding.isDeprecated();
}
return false;
}
/*
* @see IBinding#isEqualTo(Binding)
*
*/
public boolean isEqualTo(IBinding other) {
if (other == this) {
// identical binding - equal (key or no key)
return true;
}
if (other == null) {
// other binding missing
return false;
}
if (!(other instanceof TypeBinding)) {
return false;
}
org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding otherBinding = ((TypeBinding) other).binding;
// check return type
return BindingComparator.isEqual(this.binding, otherBinding);
}
/*
* @see ITypeBinding#isFromSource()
*/
public boolean isFromSource() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return !referenceBinding.isBinaryBinding();
}
return false;
}
/*
* @see ITypeBinding#isLocal()
*/
public boolean isLocal() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return referenceBinding.isLocalType() && !referenceBinding.isMemberType();
}
return false;
}
/*
* @see ITypeBinding#isMember()
*/
public boolean isMember() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return referenceBinding.isMemberType();
}
return false;
}
/*
* @see ITypeBinding#isNested()
*/
public boolean isNested() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return referenceBinding.isNestedType();
}
return false;
}
/**
* @see ITypeBinding#isNullType()
*/
public boolean isNullType() {
return this.binding == org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding.NULL;
}
/*
* @see ITypeBinding#isPrimitive()
*/
public boolean isPrimitive() {
return !isNullType() && binding.isBaseType();
}
/* (non-Javadoc)
* @see IBinding#isRecovered()
*/
public boolean isRecovered() {
return false;
}
/* (non-Javadoc)
* @see ITypeBinding#isSubTypeCompatible(ITypeBinding)
*/
public boolean isSubTypeCompatible(ITypeBinding type) {
try {
if (this == type) return true;
if (this.binding.isBaseType()) return false;
if (!(type instanceof TypeBinding)) return false;
TypeBinding other = (TypeBinding) type;
if (other.binding.isBaseType()) return false;
return this.binding.isCompatibleWith(other.binding);
} catch (AbortCompilation e) {
// don't surface internal exception to clients
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=143013
return false;
}
}
/*
* @see ITypeBinding#isTopLevel()
*/
public boolean isTopLevel() {
if (isClass()) {
ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
return !referenceBinding.isNestedType();
}
return false;
}
private boolean shouldBeRemoved(org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding methodBinding) {
return methodBinding.isDefaultAbstract();
}
/*
* For debugging purpose only.
* @see java.lang.Object#toString()
*/
public String toString() {
return this.binding.toString();
}
public boolean isCompilationUnit()
{
return false;
}
}