/*******************************************************************************
* Copyright (c) 2000, 2008 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.core.dom;
import org.eclipse.jdt.core.WorkingCopyOwner;
import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope;
import org.eclipse.jdt.internal.compiler.lookup.ElementValuePair;
import org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment;
/**
* A binding resolver is an internal mechanism for figuring out the binding for a major declaration,
* type, or name reference. This also handles the creation and mapping between annotations and the
* ast nodes that define them.
* <p>
* The default implementation serves as the default binding resolver that does no resolving
* whatsoever. Internal subclasses do all the real work.
* </p>
*
* @see AST#getBindingResolver
*/
class BindingResolver {
/**
* Creates a binding resolver.
*/
BindingResolver() {
// default implementation: do nothing
}
/**
* Finds the corresponding AST node from which the given binding originated. Returns
* <code>null</code> if the binding does not correspond to any node in the compilation unit.
* <p>
* The following table indicates the expected node type for the various different kinds of
* bindings:
* <ul>
* <li></li>
* <li>package - a <code>PackageDeclaration</code></li>
* <li>class or interface - a <code>TypeDeclaration</code> or a
* <code>ClassInstanceCreation</code> (for anonymous classes)</li>
* <li>primitive type - none</li>
* <li>array type - none</li>
* <li>field - a <code>VariableDeclarationFragment</code> in a <code>FieldDeclaration</code></li>
* <li>local variable - a <code>SingleVariableDeclaration</code>, or a
* <code>VariableDeclarationFragment</code> in a <code>VariableDeclarationStatement</code> or
* <code>VariableDeclarationExpression</code></li>
* <li>method - a <code>MethodDeclaration</code></li>
* <li>constructor - a <code>MethodDeclaration</code></li>
* <li>annotation type - an <code>AnnotationTypeDeclaration</code>
* <li>annotation type member - an <code>AnnotationTypeMemberDeclaration</code>
* </ul>
* </p>
* <p>
* The implementation of <code>CompilationUnit.findDeclaringNode</code> forwards to this method.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param binding the binding
* @return the corresponding node where the bindings is declared, or <code>null</code> if none
*/
ASTNode findDeclaringNode(IBinding binding) {
return null;
}
/**
* Finds the corresponding AST node from which the given binding key originated.
*
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement. </p>
*
* @param bindingKey the binding key
* @return the corresponding node where the bindings is declared, or <code>null</code> if none
*/
ASTNode findDeclaringNode(String bindingKey) {
return null;
}
/**
* Finds the corresponding AST node from which the given annotation instance originated.
*
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement. </p>
*
* @param instance the dom annotation
* @return the corresponding node where the bindings is declared, or <code>null</code> if none
*/
ASTNode findDeclaringNode(IAnnotationBinding instance) {
return null;
}
/**
* Allows the user to get information about the given old/new pair of AST nodes.
* <p>
* The default implementation of this method does nothing. Subclasses may reimplement.
* </p>
*
* @param currentNode the new node
* @return org.eclipse.jdt.internal.compiler.ast.ASTNode
*/
org.eclipse.jdt.internal.compiler.ast.ASTNode getCorrespondingNode(ASTNode currentNode) {
return null;
}
/**
* Returns the new method binding corresponding to the given old method binding.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param methodBinding the old method binding
* @return the new method binding
*/
IMethodBinding getMethodBinding(org.eclipse.jdt.internal.compiler.lookup.MethodBinding methodBinding) {
return null;
}
/**
* Returns the new member value pair binding corresponding to the given old value pair binding.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param valuePair the old value pair binding
* @return the new member value pair binding
*/
IMemberValuePairBinding getMemberValuePairBinding(ElementValuePair valuePair) {
return null;
}
/**
* Returns the new package binding corresponding to the given old package binding.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param packageBinding the old package binding
* @return the new package binding
*/
IPackageBinding getPackageBinding(org.eclipse.jdt.internal.compiler.lookup.PackageBinding packageBinding) {
return null;
}
/**
* Returns the new type binding corresponding to the given old type binding.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param referenceBinding the old type binding
* @return the new type binding
*/
ITypeBinding getTypeBinding(org.eclipse.jdt.internal.compiler.lookup.TypeBinding referenceBinding) {
return null;
}
/**
* Returns the new type binding corresponding to the given variableDeclaration. This is used for
* recovered binding only.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param variableDeclaration the given variable declaration
* @return the new type binding
*/
ITypeBinding getTypeBinding(VariableDeclaration variableDeclaration) {
return null;
}
/**
* Returns the new type binding corresponding to the given type. This is used for recovered
* binding only.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param type the given type
* @return the new type binding
*/
ITypeBinding getTypeBinding(Type type) {
return null;
}
/**
* Returns the new type binding corresponding to the given recovered type binding.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param recoveredTypeBinding the recovered type binding
* @param dimensions the dimensions to add the to given type binding dimensions
* @return the new type binding
*/
ITypeBinding getTypeBinding(RecoveredTypeBinding recoveredTypeBinding, int dimensions) {
return null;
}
/**
* Returns the new variable binding corresponding to the given old variable binding.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param binding the old variable binding
* @return the new variable binding
*/
IVariableBinding getVariableBinding(org.eclipse.jdt.internal.compiler.lookup.VariableBinding binding) {
return null;
}
/**
* Return the working copy owner for the receiver.
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @return the working copy owner for the receiver
*/
public WorkingCopyOwner getWorkingCopyOwner() {
return null;
}
/**
* Return the new annotation corresponding to the given old annotation
* <p>
* The default implementation of this method returns <code>null</code> Subclasses may
* reimplement.
* </p>
*
* @param instance the old annotation
* @return the new DOM annotation
*/
IAnnotationBinding getAnnotationInstance(org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding instance) {
return null;
}
boolean isResolvedTypeInferredFromExpectedType(MethodInvocation methodInvocation) {
return false;
}
boolean isResolvedTypeInferredFromExpectedType(SuperMethodInvocation methodInvocation) {
return false;
}
/**
* Returns the compiler lookup environment used by this binding resolver. Returns
* <code>null</code> if none.
*
* @return the lookup environment used by this resolver, or <code>null</code> if none.
*/
LookupEnvironment lookupEnvironment() {
return null;
}
/**
* This method is used to record the scope and its corresponding node.
* <p>
* The default implementation of this method does nothing. Subclasses may reimplement.
* </p>
*
* @param astNode
*/
void recordScope(ASTNode astNode, BlockScope blockScope) {
// default implementation: do nothing
}
/**
* Returns whether this expression node is the site of a boxing conversion (JLS3 5.1.7). This
* information is available only when bindings are requested when the AST is being built.
*
* @return <code>true</code> if this expression is the site of a boxing conversion, or
* <code>false</code> if either no boxing conversion is involved or if bindings were not
* requested when the AST was created
* @since 3.1
*/
boolean resolveBoxing(Expression expression) {
return false;
}
/**
* Returns whether this expression node is the site of an unboxing conversion (JLS3 5.1.8). This
* information is available only when bindings are requested when the AST is being built.
*
* @return <code>true</code> if this expression is the site of an unboxing conversion, or
* <code>false</code> if either no unboxing conversion is involved or if bindings were
* not requested when the AST was created
* @since 3.1
*/
boolean resolveUnboxing(Expression expression) {
return false;
}
/**
* Resolves and returns the compile-time constant expression value as specified in JLS2 15.28,
* if this expression has one. Constant expression values are unavailable unless bindings are
* requested when the AST is being built. If the type of the value is a primitive type, the
* result is the boxed equivalent (i.e., int returned as an <code>Integer</code>); if the type
* of the value is <code>String</code>, the result is the string itself. If the expression does
* not have a compile-time constant expression value, the result is <code>null</code>.
* <p>
* Resolving constant expressions takes into account the value of simple and qualified names
* that refer to constant variables (JLS2 4.12.4).
* </p>
* <p>
* Note 1: enum constants are not considered constant expressions either. The result is always
* <code>null</code> for these.
* </p>
* <p>
* Note 2: Compile-time constant expressions cannot denote <code>null</code>. So technically
* {@link NullLiteral} nodes are not constant expressions. The result is <code>null</code> for
* these nonetheless.
* </p>
*
* @return the constant expression value, or <code>null</code> if this expression has no
* constant expression value or if bindings were not requested when the AST was created
* @since 3.1
*/
Object resolveConstantExpressionValue(Expression expression) {
return null;
}
/**
* Resolves and returns the binding for the constructor being invoked.
* <p>
* The implementation of <code>ClassInstanceCreation.resolveConstructor</code> forwards to this
* method. Which constructor is invoked is often a function of the context in which the
* expression node is embedded as well as the expression subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param expression the expression of interest
* @return the binding for the constructor being invoked, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveConstructor(ClassInstanceCreation expression) {
return null;
}
/**
* Resolves and returns the binding for the constructor being invoked.
* <p>
* The implementation of <code>ConstructorInvocation.resolveConstructor</code> forwards to this
* method. Which constructor is invoked is often a function of the context in which the
* expression node is embedded as well as the expression subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param expression the expression of interest
* @return the binding for the constructor being invoked, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveConstructor(ConstructorInvocation expression) {
return null;
}
/**
* Resolves and returns the binding for the constructor being invoked.
* <p>
* The implementation of <code>ConstructorInvocation.resolveConstructor</code> forwards to this
* method. Which constructor is invoked is often a function of the context in which the
* expression node is embedded as well as the expression subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param enumConstantDeclaration the enum constant declaration of interest
* @return the binding for the constructor being invoked, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveConstructor(EnumConstantDeclaration enumConstantDeclaration) {
return null;
}
/**
* Resolves and returns the binding for the constructor being invoked.
* <p>
* The implementation of <code>SuperConstructorInvocation.resolveConstructor</code> forwards to
* this method. Which constructor is invoked is often a function of the context in which the
* expression node is embedded as well as the expression subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param expression the expression of interest
* @return the binding for the constructor being invoked, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveConstructor(SuperConstructorInvocation expression) {
return null;
}
/**
* Resolves the type of the given expression and returns the type binding for it.
* <p>
* The implementation of <code>Expression.resolveTypeBinding</code> forwards to this method. The
* result is often a function of the context in which the expression node is embedded as well as
* the expression subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param expression the expression whose type is of interest
* @return the binding for the type of the given expression, or <code>null</code> if no binding
* is available
*/
ITypeBinding resolveExpressionType(Expression expression) {
return null;
}
/**
* Resolves the given field access and returns the binding for it.
* <p>
* The implementation of <code>FieldAccess.resolveFieldBinding</code> forwards to this method.
* How the field resolves is often a function of the context in which the field access node is
* embedded as well as the field access subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param fieldAccess the field access of interest
* @return the binding for the given field access, or <code>null</code> if no binding is
* available
*/
IVariableBinding resolveField(FieldAccess fieldAccess) {
return null;
}
/**
* Resolves the given super field access and returns the binding for it.
* <p>
* The implementation of <code>SuperFieldAccess.resolveFieldBinding</code> forwards to this
* method. How the field resolves is often a function of the context in which the super field
* access node is embedded as well as the super field access subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param fieldAccess the super field access of interest
* @return the binding for the given field access, or <code>null</code> if no binding is
* available
*/
IVariableBinding resolveField(SuperFieldAccess fieldAccess) {
return null;
}
/**
* Resolves the given import declaration and returns the binding for it.
* <p>
* The implementation of <code>ImportDeclaration.resolveBinding</code> forwards to this method.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param importDeclaration the import declaration of interest
* @return the binding for the given package declaration, or the package binding (for on-demand
* imports) or type binding (for single-type imports), or <code>null</code> if no
* binding is available
*/
IBinding resolveImport(ImportDeclaration importDeclaration) {
return null;
}
/**
* Resolves the given annotation type declaration and returns the binding for it.
* <p>
* The implementation of <code>AnnotationTypeMemberDeclaration.resolveBinding</code> forwards to
* this method. How the declaration resolves is often a function of the context in which the
* declaration node is embedded as well as the declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param member the annotation type member declaration of interest
* @return the binding for the given annotation type member declaration, or <code>null</code> if
* no binding is available
* @since 3.0
*/
IMethodBinding resolveMember(AnnotationTypeMemberDeclaration member) {
return null;
}
/**
* Resolves the given method declaration and returns the binding for it.
* <p>
* The implementation of <code>MethodDeclaration.resolveBinding</code> forwards to this method.
* How the method resolves is often a function of the context in which the method declaration
* node is embedded as well as the method declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param method the method or constructor declaration of interest
* @return the binding for the given method declaration, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveMethod(MethodDeclaration method) {
return null;
}
/**
* Resolves the given method invocation and returns the binding for it.
* <p>
* The implementation of <code>MethodInvocation.resolveMethodBinding</code> forwards to this
* method. How the method resolves is often a function of the context in which the method
* invocation node is embedded as well as the method invocation subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param method the method invocation of interest
* @return the binding for the given method invocation, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveMethod(MethodInvocation method) {
return null;
}
/**
* Resolves the given method invocation and returns the binding for it.
* <p>
* The implementation of <code>MethodInvocation.resolveMethodBinding</code> forwards to this
* method. How the method resolves is often a function of the context in which the method
* invocation node is embedded as well as the method invocation subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param method the method invocation of interest
* @return the binding for the given method invocation, or <code>null</code> if no binding is
* available
*/
IMethodBinding resolveMethod(SuperMethodInvocation method) {
return null;
}
/**
* Resolves the given name and returns the type binding for it.
* <p>
* The implementation of <code>Name.resolveBinding</code> forwards to this method. How the name
* resolves is often a function of the context in which the name node is embedded as well as the
* name itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param name the name of interest
* @return the binding for the name, or <code>null</code> if no binding is available
*/
IBinding resolveName(Name name) {
return null;
}
/**
* Resolves the given package declaration and returns the binding for it.
* <p>
* The implementation of <code>PackageDeclaration.resolveBinding</code> forwards to this method.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param pkg the package declaration of interest
* @return the binding for the given package declaration, or <code>null</code> if no binding is
* available
*/
IPackageBinding resolvePackage(PackageDeclaration pkg) {
return null;
}
/**
* Resolves the given reference and returns the binding for it.
* <p>
* The implementation of <code>MemberRef.resolveBinding</code> forwards to this method. How the
* name resolves is often a function of the context in which the name node is embedded as well
* as the name itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param ref the reference of interest
* @return the binding for the reference, or <code>null</code> if no binding is available
* @since 3.0
*/
IBinding resolveReference(MemberRef ref) {
return null;
}
/**
* Resolves the given member value pair and returns the binding for it.
* <p>
* The implementation of <code>MemberValuePair.resolveMemberValuePairBinding</code> forwards to
* this method. How the name resolves is often a function of the context in which the name node
* is embedded as well as the name itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param memberValuePair the member value pair of interest
* @return the binding for the member value pair, or <code>null</code> if no binding is
* available
* @since 3.2
*/
IMemberValuePairBinding resolveMemberValuePair(MemberValuePair memberValuePair) {
return null;
}
/**
* Resolves the given reference and returns the binding for it.
* <p>
* The implementation of <code>MethodRef.resolveBinding</code> forwards to this method. How the
* name resolves is often a function of the context in which the name node is embedded as well
* as the name itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param ref the reference of interest
* @return the binding for the reference, or <code>null</code> if no binding is available
* @since 3.0
*/
IBinding resolveReference(MethodRef ref) {
return null;
}
/**
* Resolves the given annotation type declaration and returns the binding for it.
* <p>
* The implementation of <code>AnnotationTypeDeclaration.resolveBinding</code> forwards to this
* method. How the declaration resolves is often a function of the context in which the
* declaration node is embedded as well as the declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param type the annotation type declaration of interest
* @return the binding for the given annotation type declaration, or <code>null</code> if no
* binding is available
* @since 3.0
*/
ITypeBinding resolveType(AnnotationTypeDeclaration type) {
return null;
}
/**
* Resolves the given anonymous class declaration and returns the binding for it.
* <p>
* The implementation of <code>AnonymousClassDeclaration.resolveBinding</code> forwards to this
* method. How the declaration resolves is often a function of the context in which the
* declaration node is embedded as well as the declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param type the anonymous class declaration of interest
* @return the binding for the given class declaration, or <code>null</code> if no binding is
* available
*/
ITypeBinding resolveType(AnonymousClassDeclaration type) {
return null;
}
/**
* Resolves the given enum declaration and returns the binding for it.
* <p>
* The implementation of <code>EnumDeclaration.resolveBinding</code> forwards to this method.
* How the enum declaration resolves is often a function of the context in which the declaration
* node is embedded as well as the enum declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param type the enum declaration of interest
* @return the binding for the given enum declaration, or <code>null</code> if no binding is
* available
* @since 3.0
*/
ITypeBinding resolveType(EnumDeclaration type) {
return null;
}
/**
* Resolves the given type and returns the type binding for it.
* <p>
* The implementation of <code>Type.resolveBinding</code> forwards to this method. How the type
* resolves is often a function of the context in which the type node is embedded as well as the
* type subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param type the type of interest
* @return the binding for the given type, or <code>null</code> if no binding is available
*/
ITypeBinding resolveType(Type type) {
return null;
}
/**
* Resolves the given class or interface declaration and returns the binding for it.
* <p>
* The implementation of <code>TypeDeclaration.resolveBinding</code> (and
* <code>TypeDeclarationStatement.resolveBinding</code>) forwards to this method. How the type
* declaration resolves is often a function of the context in which the type declaration node is
* embedded as well as the type declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param type the class or interface declaration of interest
* @return the binding for the given type declaration, or <code>null</code> if no binding is
* available
*/
ITypeBinding resolveType(TypeDeclaration type) {
return null;
}
/**
* Resolves the given type parameter and returns the type binding for the type parameter.
* <p>
* The implementation of <code>TypeParameter.resolveBinding</code> forwards to this method. How
* the declaration resolves is often a function of the context in which the declaration node is
* embedded as well as the declaration subtree itself.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param typeParameter the type paramter of interest
* @return the binding for the given type parameter, or <code>null</code> if no binding is
* available
* @since 3.1
*/
ITypeBinding resolveTypeParameter(TypeParameter typeParameter) {
return null;
}
/**
* Resolves the given enum constant declaration and returns the binding for the field.
* <p>
* The implementation of <code>EnumConstantDeclaration.resolveVariable</code> forwards to this
* method.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param enumConstant the enum constant declaration of interest
* @return the field binding for the given enum constant declaration, or <code>null</code> if no
* binding is available
* @since 3.0
*/
IVariableBinding resolveVariable(EnumConstantDeclaration enumConstant) {
return null;
}
/**
* Resolves the given variable declaration and returns the binding for it.
* <p>
* The implementation of <code>VariableDeclaration.resolveBinding</code> forwards to this
* method. How the variable declaration resolves is often a function of the context in which the
* variable declaration node is embedded as well as the variable declaration subtree itself.
* VariableDeclaration declarations used as local variable, formal parameter and exception
* variables resolve to local variable bindings; variable declarations used to declare fields
* resolve to field bindings.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param variable the variable declaration of interest
* @return the binding for the given variable declaration, or <code>null</code> if no binding is
* available
*/
IVariableBinding resolveVariable(VariableDeclaration variable) {
return null;
}
/**
* Resolves the given well known type by name and returns the type binding for it.
* <p>
* The implementation of <code>AST.resolveWellKnownType</code> forwards to this method.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param name the name of a well known type
* @return the corresponding type binding, or <code>null<code> if the
* named type is not considered well known or if no binding can be found
* for it
*/
ITypeBinding resolveWellKnownType(String name) {
return null;
}
/**
* Resolves the given annotation instance and returns the DOM representation for it.
* <p>
* The implementation of {@link Annotation#resolveAnnotationBinding()} forwards to this method.
* </p>
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param annotation the annotation ast node of interest
* @return the DOM annotation representation for the given ast node, or <code>null</code> if
* none is available
*/
IAnnotationBinding resolveAnnotation(Annotation annotation) {
return null;
}
/**
* Answer an array type binding with the given type binding and the given dimensions.
*
* <p>
* If the given type binding is an array binding, then the resulting dimensions is the given
* dimensions plus the existing dimensions of the array binding. Otherwise the resulting
* dimensions is the given dimensions.
* </p>
*
* <p>
* The default implementation of this method returns <code>null</code>. Subclasses may
* reimplement.
* </p>
*
* @param typeBinding the given type binding
* @param dimensions the given dimensions
* @return an array type binding with the given type binding and the given dimensions
* @throws IllegalArgumentException if the type binding represents the <code>void</code> type
* binding
*/
ITypeBinding resolveArrayType(ITypeBinding typeBinding, int dimensions) {
return null;
}
/**
* Returns the compilation unit scope used by this binding resolver. Returns <code>null</code>
* if none.
*
* @return the compilation unit scope by this resolver, or <code>null</code> if none.
*/
public CompilationUnitScope scope() {
return null;
}
/**
* Allows the user to store information about the given old/new pair of AST nodes.
* <p>
* The default implementation of this method does nothing. Subclasses may reimplement.
* </p>
*
* @param newNode the new AST node
* @param oldASTNode the old AST node
*/
void store(ASTNode newNode, org.eclipse.jdt.internal.compiler.ast.ASTNode oldASTNode) {
// default implementation: do nothing
}
/**
* Allows the user to update information about the given old/new pair of AST nodes.
* <p>
* The default implementation of this method does nothing. Subclasses may reimplement.
* </p>
*
* @param node the old AST node
* @param newNode the new AST node
*/
void updateKey(ASTNode node, ASTNode newNode) {
// default implementation: do nothing
}
}