/*******************************************************************************
* Copyright (c) 2000, 2011 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.internal.compiler.ast;
import org.eclipse.wst.jsdt.core.ast.IASTNode;
import org.eclipse.wst.jsdt.core.ast.ITypeDeclaration;
import org.eclipse.wst.jsdt.core.compiler.CategorizedProblem;
import org.eclipse.wst.jsdt.core.compiler.CharOperation;
import org.eclipse.wst.jsdt.internal.compiler.ASTVisitor;
import org.eclipse.wst.jsdt.internal.compiler.CompilationResult;
import org.eclipse.wst.jsdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.wst.jsdt.internal.compiler.flow.FlowContext;
import org.eclipse.wst.jsdt.internal.compiler.flow.FlowInfo;
import org.eclipse.wst.jsdt.internal.compiler.flow.InitializationFlowContext;
import org.eclipse.wst.jsdt.internal.compiler.flow.UnconditionalFlowInfo;
import org.eclipse.wst.jsdt.internal.compiler.impl.ReferenceContext;
import org.eclipse.wst.jsdt.internal.compiler.lookup.Binding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.BlockScope;
import org.eclipse.wst.jsdt.internal.compiler.lookup.ClassScope;
import org.eclipse.wst.jsdt.internal.compiler.lookup.CompilationUnitScope;
import org.eclipse.wst.jsdt.internal.compiler.lookup.ExtraCompilerModifiers;
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.MemberTypeBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.MethodScope;
import org.eclipse.wst.jsdt.internal.compiler.lookup.NestedTypeBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.ReferenceBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.SourceTypeBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.TagBits;
import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding;
import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeConstants;
import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeIds;
import org.eclipse.wst.jsdt.internal.compiler.parser.Parser;
import org.eclipse.wst.jsdt.internal.compiler.problem.AbortCompilation;
import org.eclipse.wst.jsdt.internal.compiler.problem.AbortCompilationUnit;
import org.eclipse.wst.jsdt.internal.compiler.problem.AbortMethod;
import org.eclipse.wst.jsdt.internal.compiler.problem.AbortType;
import org.eclipse.wst.jsdt.internal.compiler.problem.ProblemSeverities;
public class TypeDeclaration extends Statement implements ProblemSeverities, ReferenceContext, ITypeDeclaration {
// Type decl kinds
public static final int CLASS_DECL = 1;
public int modifiers = ClassFileConstants.AccDefault;
public int modifiersSourceStart;
public char[] name;
public TypeReference superclass;
public FieldDeclaration[] fields;
public AbstractMethodDeclaration[] methods;
public TypeDeclaration[] memberTypes;
public SourceTypeBinding binding= new SourceTypeBinding(null,null,null);
public ClassScope scope;
public MethodScope initializerScope;
public MethodScope staticInitializerScope;
public boolean ignoreFurtherInvestigation = false;
public int maxFieldCount;
public int declarationSourceStart;
public int declarationSourceEnd;
public int bodyStart;
public int bodyEnd; // doesn't include the trailing comment if any.
public CompilationResult compilationResult;
public MethodDeclaration[] missingAbstractMethods;
public Javadoc javadoc;
public QualifiedAllocationExpression allocation; // for anonymous only
public TypeDeclaration enclosingType; // for member types only
public TypeDeclaration(CompilationResult compilationResult){
this.compilationResult = compilationResult;
}
/*
* We cause the compilation task to abort to a given extent.
*/
public void abort(int abortLevel, CategorizedProblem problem) {
switch (abortLevel) {
case AbortCompilation :
throw new AbortCompilation(this.compilationResult, problem);
case AbortCompilationUnit :
throw new AbortCompilationUnit(this.compilationResult, problem);
case AbortMethod :
throw new AbortMethod(this.compilationResult, problem);
default :
throw new AbortType(this.compilationResult, problem);
}
}
/**
* This method is responsible for adding a <clinit> method declaration to the type method collections.
* Note that this implementation is inserting it in first place (as VAJ or javac), and that this
* impacts the behavior of the method ConstantPool.resetForClinit(int. int), in so far as
* the latter will have to reset the constant pool state accordingly (if it was added first, it does
* not need to preserve some of the method specific cached entries since this will be the first method).
* inserts the clinit method declaration in the first position.
*
* @see org.eclipse.wst.jsdt.internal.compiler.codegen.ConstantPool#resetForClinit(int, int)
*/
public final void addClinit() {
//see comment on needClassInitMethod
if (needClassInitMethod()) {
int length;
AbstractMethodDeclaration[] methodDeclarations;
if ((methodDeclarations = this.methods) == null) {
length = 0;
methodDeclarations = new AbstractMethodDeclaration[1];
} else {
length = methodDeclarations.length;
System.arraycopy(
methodDeclarations,
0,
(methodDeclarations = new AbstractMethodDeclaration[length + 1]),
1,
length);
}
Clinit clinit = new Clinit(this.compilationResult);
methodDeclarations[0] = clinit;
// clinit is added in first location, so as to minimize the use of ldcw (big consumer of constant inits)
clinit.declarationSourceStart = clinit.sourceStart = this.sourceStart;
clinit.declarationSourceEnd = clinit.sourceEnd = this.sourceEnd;
clinit.bodyEnd = this.sourceEnd;
this.methods = methodDeclarations;
}
}
/*
* INTERNAL USE ONLY - Creates a fake method declaration for the corresponding binding.
* It is used to report errors for missing abstract methods.
*/
public MethodDeclaration addMissingAbstractMethodFor(MethodBinding methodBinding) {
TypeBinding[] argumentTypes = methodBinding.parameters;
int argumentsLength = argumentTypes.length;
//the constructor
MethodDeclaration methodDeclaration = new MethodDeclaration(this.compilationResult);
methodDeclaration.selector = methodBinding.selector;
methodDeclaration.sourceStart = this.sourceStart;
methodDeclaration.sourceEnd = this.sourceEnd;
methodDeclaration.modifiers = methodBinding.getAccessFlags() & ~ClassFileConstants.AccAbstract;
if (argumentsLength > 0) {
String baseName = "arg";//$NON-NLS-1$
Argument[] arguments = (methodDeclaration.arguments = new Argument[argumentsLength]);
for (int i = argumentsLength; --i >= 0;) {
arguments[i] = new Argument((baseName + i).toCharArray(), 0L, null /*type ref*/, ClassFileConstants.AccDefault);
}
}
//adding the constructor in the methods list
if (this.missingAbstractMethods == null) {
this.missingAbstractMethods = new MethodDeclaration[] { methodDeclaration };
} else {
MethodDeclaration[] newMethods;
System.arraycopy(
this.missingAbstractMethods,
0,
newMethods = new MethodDeclaration[this.missingAbstractMethods.length + 1],
1,
this.missingAbstractMethods.length);
newMethods[0] = methodDeclaration;
this.missingAbstractMethods = newMethods;
}
//============BINDING UPDATE==========================
methodDeclaration.binding = new MethodBinding(
methodDeclaration.modifiers, //methodDeclaration
methodBinding.selector,
methodBinding.returnType,
argumentsLength == 0 ? Binding.NO_PARAMETERS : argumentTypes, //arguments bindings
this.binding); //declaringClass
methodDeclaration.scope = new MethodScope(this.scope, methodDeclaration, true);
methodDeclaration.bindArguments();
/* if (binding.methods == null) {
binding.methods = new FunctionBinding[] { methodDeclaration.binding };
} else {
FunctionBinding[] newMethods;
System.arraycopy(
binding.methods,
0,
newMethods = new FunctionBinding[binding.methods.length + 1],
1,
binding.methods.length);
newMethods[0] = methodDeclaration.binding;
binding.methods = newMethods;
}*/
//===================================================
return methodDeclaration;
}
/**
* Flow analysis for a local innertype
*
*/
public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
if (this.ignoreFurtherInvestigation)
return flowInfo;
try {
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) {
this.bits |= ASTNode.IsReachable;
LocalTypeBinding localType = (LocalTypeBinding) this.binding;
localType.setConstantPoolName(currentScope.compilationUnitScope().computeConstantPoolName(localType));
}
updateMaxFieldCount(); // propagate down the max field count
internalAnalyseCode(flowContext, flowInfo);
} catch (AbortType e) {
this.ignoreFurtherInvestigation = true;
}
return flowInfo;
}
/**
* Flow analysis for a member innertype
*
*/
public void analyseCode(ClassScope enclosingClassScope) {
if (this.ignoreFurtherInvestigation)
return;
try {
// propagate down the max field count
updateMaxFieldCount();
internalAnalyseCode(null, FlowInfo.initial(this.maxFieldCount));
} catch (AbortType e) {
this.ignoreFurtherInvestigation = true;
}
}
/**
* Flow analysis for a local member innertype
*
*/
public void analyseCode(ClassScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
if (this.ignoreFurtherInvestigation)
return;
try {
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) {
this.bits |= ASTNode.IsReachable;
LocalTypeBinding localType = (LocalTypeBinding) this.binding;
localType.setConstantPoolName(currentScope.compilationUnitScope().computeConstantPoolName(localType));
}
updateMaxFieldCount(); // propagate down the max field count
internalAnalyseCode(flowContext, flowInfo);
} catch (AbortType e) {
this.ignoreFurtherInvestigation = true;
}
}
/**
* Flow analysis for a package member type
*
*/
public void analyseCode(CompilationUnitScope unitScope) {
if (this.ignoreFurtherInvestigation)
return;
try {
internalAnalyseCode(null, FlowInfo.initial(this.maxFieldCount));
} catch (AbortType e) {
this.ignoreFurtherInvestigation = true;
}
}
/**
* Check for constructor vs. method with no return type.
* Answers true if at least one constructor is defined
*/
public boolean checkConstructors(Parser parser) {
//if a constructor has not the name of the type,
//convert it into a method with 'null' as its return type
boolean hasConstructor = false;
if (this.methods != null) {
for (int i = this.methods.length; --i >= 0;) {
AbstractMethodDeclaration am;
if ((am = this.methods[i]).isConstructor()) {
if (!CharOperation.equals(am.selector, this.name)) {
// the constructor was in fact a method with no return type
// unless an explicit constructor call was supplied
ConstructorDeclaration c = (ConstructorDeclaration) am;
if (c.constructorCall == null || c.constructorCall.isImplicitSuper()) { //changed to a method
MethodDeclaration m = parser.convertToMethodDeclaration(c, this.compilationResult);
this.methods[i] = m;
}
} else {
hasConstructor = true;
}
}
}
}
return hasConstructor;
}
public CompilationResult compilationResult() {
return this.compilationResult;
}
public ConstructorDeclaration createDefaultConstructor( boolean needExplicitConstructorCall, boolean needToInsert) {
//Add to method'set, the default constuctor that just recall the
//super constructor with no arguments
//The arguments' type will be positionned by the TC so just use
//the default int instead of just null (consistency purpose)
//the constructor
ConstructorDeclaration constructor = new ConstructorDeclaration(this.compilationResult);
constructor.bits |= ASTNode.IsDefaultConstructor;
constructor.selector = this.name;
constructor.modifiers = this.modifiers & ExtraCompilerModifiers.AccVisibilityMASK;
//if you change this setting, please update the
//SourceIndexer2.buildTypeDeclaration(TypeDeclaration,char[]) method
constructor.declarationSourceStart = constructor.sourceStart = this.sourceStart;
constructor.declarationSourceEnd =
constructor.sourceEnd = constructor.bodyEnd = this.sourceEnd;
//the super call inside the constructor
if (needExplicitConstructorCall) {
constructor.constructorCall = SuperReference.implicitSuperConstructorCall();
constructor.constructorCall.sourceStart = this.sourceStart;
constructor.constructorCall.sourceEnd = this.sourceEnd;
}
//adding the constructor in the methods list: rank is not critical since bindings will be sorted
if (needToInsert) {
if (this.methods == null) {
this.methods = new AbstractMethodDeclaration[] { constructor };
} else {
AbstractMethodDeclaration[] newMethods;
System.arraycopy(
this.methods,
0,
newMethods = new AbstractMethodDeclaration[this.methods.length + 1],
1,
this.methods.length);
newMethods[0] = constructor;
this.methods = newMethods;
}
}
return constructor;
}
// anonymous type constructor creation: rank is important since bindings already got sorted
public MethodBinding createDefaultConstructorWithBinding(MethodBinding inheritedConstructorBinding) {
//Add to method'set, the default constuctor that just recall the
//super constructor with the same arguments
String baseName = "$anonymous"; //$NON-NLS-1$
TypeBinding[] argumentTypes = inheritedConstructorBinding.parameters;
int argumentsLength = argumentTypes.length;
//the constructor
ConstructorDeclaration constructor = new ConstructorDeclaration(this.compilationResult);
constructor.selector = new char[] { 'x' }; //no maining
constructor.sourceStart = this.sourceStart;
constructor.sourceEnd = this.sourceEnd;
int newModifiers = this.modifiers & ExtraCompilerModifiers.AccVisibilityMASK;
if (inheritedConstructorBinding.isVarargs()) {
newModifiers |= ClassFileConstants.AccVarargs;
}
constructor.modifiers = newModifiers;
constructor.bits |= ASTNode.IsDefaultConstructor;
if (argumentsLength > 0) {
Argument[] arguments = (constructor.arguments = new Argument[argumentsLength]);
for (int i = argumentsLength; --i >= 0;) {
arguments[i] = new Argument((baseName + i).toCharArray(), 0L, null /*type ref*/, ClassFileConstants.AccDefault);
}
}
//the super call inside the constructor
constructor.constructorCall = SuperReference.implicitSuperConstructorCall();
constructor.constructorCall.sourceStart = this.sourceStart;
constructor.constructorCall.sourceEnd = this.sourceEnd;
if (argumentsLength > 0) {
Expression[] args;
args = constructor.constructorCall.arguments = new Expression[argumentsLength];
for (int i = argumentsLength; --i >= 0;) {
args[i] = new SingleNameReference((baseName + i).toCharArray(), 0L);
}
}
//adding the constructor in the methods list
if (this.methods == null) {
this.methods = new AbstractMethodDeclaration[] { constructor };
} else {
AbstractMethodDeclaration[] newMethods;
System.arraycopy(this.methods, 0, newMethods = new AbstractMethodDeclaration[this.methods.length + 1], 1, this.methods.length);
newMethods[0] = constructor;
this.methods = newMethods;
}
//============BINDING UPDATE==========================
SourceTypeBinding sourceType = this.binding;
constructor.binding = new MethodBinding(
constructor.modifiers, //methodDeclaration
argumentsLength == 0 ? Binding.NO_PARAMETERS : argumentTypes, //arguments bindings
sourceType); //declaringClass
constructor.binding.modifiers |= ExtraCompilerModifiers.AccIsDefaultConstructor;
constructor.scope = new MethodScope(this.scope, constructor, true);
constructor.bindArguments();
constructor.constructorCall.resolve(constructor.scope);
MethodBinding[] methodBindings = sourceType.methods(); // trigger sorting
int length;
System.arraycopy(methodBindings, 0, methodBindings = new MethodBinding[(length = methodBindings.length) + 1], 1, length);
methodBindings[0] = constructor.binding;
if (++length > 1)
ReferenceBinding.sortMethods(methodBindings, 0, length); // need to resort, since could be valid methods ahead (140643) - DOM needs eager sorting
sourceType.setMethods(methodBindings);
//===================================================
return constructor.binding;
}
/**
* Find the matching parse node, answers null if nothing found
*/
public FieldDeclaration declarationOf(FieldBinding fieldBinding) {
if (fieldBinding != null && this.fields != null) {
for (int i = 0, max = this.fields.length; i < max; i++) {
FieldDeclaration fieldDecl;
if ((fieldDecl = this.fields[i]).binding == fieldBinding)
return fieldDecl;
}
}
return null;
}
/**
* Find the matching parse node, answers null if nothing found
*/
public TypeDeclaration declarationOf(MemberTypeBinding memberTypeBinding) {
if (memberTypeBinding != null && this.memberTypes != null) {
for (int i = 0, max = this.memberTypes.length; i < max; i++) {
TypeDeclaration memberTypeDecl;
if ((memberTypeDecl = this.memberTypes[i]).binding == memberTypeBinding)
return memberTypeDecl;
}
}
return null;
}
/**
* Find the matching parse node, answers null if nothing found
*/
public AbstractMethodDeclaration declarationOf(MethodBinding methodBinding) {
if (methodBinding != null && this.methods != null) {
for (int i = 0, max = this.methods.length; i < max; i++) {
AbstractMethodDeclaration methodDecl;
if ((methodDecl = this.methods[i]).binding == methodBinding)
return methodDecl;
}
}
return null;
}
/**
* Finds the matching type amoung this type's member types.
* Returns null if no type with this name is found.
* The type name is a compound name relative to this type
* eg. if this type is X and we're looking for Y.X.A.B
* then a type name would be {X, A, B}
*/
public TypeDeclaration declarationOfType(char[][] typeName) {
int typeNameLength = typeName.length;
if (typeNameLength < 1 || !CharOperation.equals(typeName[0], this.name)) {
return null;
}
if (typeNameLength == 1) {
return this;
}
char[][] subTypeName = new char[typeNameLength - 1][];
System.arraycopy(typeName, 1, subTypeName, 0, typeNameLength - 1);
for (int i = 0; i < this.memberTypes.length; i++) {
TypeDeclaration typeDecl = this.memberTypes[i].declarationOfType(subTypeName);
if (typeDecl != null) {
return typeDecl;
}
}
return null;
}
public boolean hasErrors() {
return this.ignoreFurtherInvestigation;
}
/**
* Common flow analysis for all types
*/
private void internalAnalyseCode(FlowContext flowContext, FlowInfo flowInfo) {
if ((this.binding.isPrivate() || (this.binding.tagBits & (TagBits.IsAnonymousType|TagBits.IsLocalType)) == TagBits.IsLocalType) && !this.binding.isUsed()) {
if (!this.scope.referenceCompilationUnit().compilationResult.hasSyntaxError) {
this.scope.problemReporter().unusedPrivateType(this);
}
}
InitializationFlowContext initializerContext = new InitializationFlowContext(null, this, this.initializerScope);
InitializationFlowContext staticInitializerContext = new InitializationFlowContext(null, this, this.staticInitializerScope);
FlowInfo nonStaticFieldInfo = flowInfo.unconditionalFieldLessCopy();
FlowInfo staticFieldInfo = flowInfo.unconditionalFieldLessCopy();
if (this.fields != null) {
for (int i = 0, count = this.fields.length; i < count; i++) {
FieldDeclaration field = this.fields[i];
if (field.isStatic()) {
if ((staticFieldInfo.tagBits & FlowInfo.UNREACHABLE) != 0)
field.bits &= ~ASTNode.IsReachable;
/*if (field.isField()){
staticInitializerContext.handledExceptions = NoExceptions; // no exception is allowed jls8.3.2
} else {*/
staticInitializerContext.handledExceptions = Binding.ANY_EXCEPTION; // tolerate them all, and record them
/*}*/
staticFieldInfo =
field.analyseCode(
this.staticInitializerScope,
staticInitializerContext,
staticFieldInfo);
// in case the initializer is not reachable, use a reinitialized flowInfo and enter a fake reachable
// branch, since the previous initializer already got the blame.
if (staticFieldInfo == FlowInfo.DEAD_END) {
staticFieldInfo = FlowInfo.initial(this.maxFieldCount).setReachMode(FlowInfo.UNREACHABLE);
}
} else {
if ((nonStaticFieldInfo.tagBits & FlowInfo.UNREACHABLE) != 0)
field.bits &= ~ASTNode.IsReachable;
/*if (field.isField()){
initializerContext.handledExceptions = NoExceptions; // no exception is allowed jls8.3.2
} else {*/
initializerContext.handledExceptions = Binding.ANY_EXCEPTION; // tolerate them all, and record them
/*}*/
nonStaticFieldInfo =
field.analyseCode(this.initializerScope, initializerContext, nonStaticFieldInfo);
// in case the initializer is not reachable, use a reinitialized flowInfo and enter a fake reachable
// branch, since the previous initializer already got the blame.
if (nonStaticFieldInfo == FlowInfo.DEAD_END) {
nonStaticFieldInfo = FlowInfo.initial(this.maxFieldCount).setReachMode(FlowInfo.UNREACHABLE);
}
}
}
}
if (this.memberTypes != null) {
for (int i = 0, count = this.memberTypes.length; i < count; i++) {
if (flowContext != null){ // local type
this.memberTypes[i].analyseCode(this.scope, flowContext, nonStaticFieldInfo.copy().setReachMode(flowInfo.reachMode())); // reset reach mode in case initializers did abrupt completely
} else {
this.memberTypes[i].analyseCode(this.scope);
}
}
}
if (this.methods != null) {
UnconditionalFlowInfo outerInfo = flowInfo.unconditionalFieldLessCopy();
FlowInfo constructorInfo = nonStaticFieldInfo.unconditionalInits().discardNonFieldInitializations().addInitializationsFrom(outerInfo);
for (int i = 0, count = this.methods.length; i < count; i++) {
AbstractMethodDeclaration method = this.methods[i];
if (method.ignoreFurtherInvestigation)
continue;
if (method.isInitializationMethod()) {
if (method.isStatic()) { // <clinit>
method.analyseCode(
this.scope,
staticInitializerContext,
staticFieldInfo.unconditionalInits().discardNonFieldInitializations().addInitializationsFrom(outerInfo));
} else { // constructor
((ConstructorDeclaration)method).analyseCode(this.scope, initializerContext, constructorInfo.copy(), flowInfo.reachMode());
}
} else { // regular method
method.analyseCode(this.scope, null, flowInfo.copy());
}
}
}
}
public final static int kind(int flags) {
return TypeDeclaration.CLASS_DECL;
}
/**
* A <clinit> will be requested as soon as static fields or assertions are present. It will be eliminated during
* classfile creation if no bytecode was actually produced based on some optimizations/compiler settings.
*/
public final boolean needClassInitMethod() {
// always need a <clinit> when assertions are present
if ((this.bits & ASTNode.ContainsAssertion) != 0)
return true;
if (this.fields != null) {
for (int i = this.fields.length; --i >= 0;) {
FieldDeclaration field = this.fields[i];
//need to test the modifier directly while there is no binding yet
if ((field.modifiers & ClassFileConstants.AccStatic) != 0)
return true; // TODO (philippe) shouldn't it check whether field is initializer or has some initial value ?
}
}
return false;
}
public void parseMethod(Parser parser, CompilationUnitDeclaration unit) {
//connect method bodies
if (unit.ignoreMethodBodies)
return;
//members
if (this.memberTypes != null) {
int length = this.memberTypes.length;
for (int i = 0; i < length; i++)
this.memberTypes[i].parseMethod(parser, unit);
}
//methods
if (this.methods != null) {
int length = this.methods.length;
for (int i = 0; i < length; i++) {
this.methods[i].parseStatements(parser, unit);
}
}
//initializers
if (this.fields != null) {
int length = this.fields.length;
for (int i = 0; i < length; i++) {
final FieldDeclaration fieldDeclaration = this.fields[i];
switch(fieldDeclaration.getKind()) {
case AbstractVariableDeclaration.INITIALIZER:
((Initializer) fieldDeclaration).parseStatements(parser, this, unit);
break;
}
}
}
}
public StringBuffer print(int indent, StringBuffer output) {
if (this.javadoc != null) {
this.javadoc.print(indent, output);
}
if ((this.bits & ASTNode.IsAnonymousType) == 0) {
printIndent(indent, output);
printHeader(0, output);
}
return printBody(indent, output);
}
public StringBuffer printBody(int indent, StringBuffer output) {
output.append(" {"); //$NON-NLS-1$
if (this.memberTypes != null) {
for (int i = 0; i < this.memberTypes.length; i++) {
if (this.memberTypes[i] != null) {
output.append('\n');
this.memberTypes[i].print(indent + 1, output);
}
}
}
if (this.fields != null) {
for (int fieldI = 0; fieldI < this.fields.length; fieldI++) {
if (this.fields[fieldI] != null) {
output.append('\n');
this.fields[fieldI].print(indent + 1, output);
}
}
}
if (this.methods != null) {
for (int i = 0; i < this.methods.length; i++) {
if (this.methods[i] != null) {
output.append('\n');
this.methods[i].print(indent + 1, output);
}
}
}
output.append('\n');
return printIndent(indent, output).append('}');
}
public StringBuffer printHeader(int indent, StringBuffer output) {
printModifiers(this.modifiers, output);
switch (kind(this.modifiers)) {
case TypeDeclaration.CLASS_DECL :
output.append("class "); //$NON-NLS-1$
break;
}
output.append(this.name);
if (this.superclass != null) {
output.append(" extends "); //$NON-NLS-1$
this.superclass.print(0, output);
}
return output;
}
public StringBuffer printStatement(int tab, StringBuffer output) {
return print(tab, output);
}
public void resolve() {
SourceTypeBinding sourceType = this.binding;
if (sourceType == null) {
this.ignoreFurtherInvestigation = true;
return;
}
try {
if ((this.bits & ASTNode.UndocumentedEmptyBlock) != 0) {
this.scope.problemReporter().undocumentedEmptyBlock(this.bodyStart-1, this.bodyEnd);
}
// generics (and non static generic members) cannot extend Throwable
if (sourceType.findSuperTypeErasingTo(TypeIds.T_JavaLangThrowable, true) != null) {
ReferenceBinding current = sourceType;
checkEnclosedInGeneric : do {
if (current.isStatic()) break checkEnclosedInGeneric;
if (current.isLocalType()) {
NestedTypeBinding nestedType = (NestedTypeBinding) current;
if (nestedType.scope.methodScope().isStatic) break checkEnclosedInGeneric;
}
} while ((current = current.enclosingType()) != null);
}
this.maxFieldCount = 0;
int lastVisibleFieldID = -1;
if (this.memberTypes != null) {
for (int i = 0, count = this.memberTypes.length; i < count; i++) {
this.memberTypes[i].resolve(this.scope);
}
}
if (this.fields != null) {
for (int i = 0, count = this.fields.length; i < count; i++) {
FieldDeclaration field = this.fields[i];
switch(field.getKind()) {
case AbstractVariableDeclaration.FIELD:
FieldBinding fieldBinding = field.binding;
if (fieldBinding == null) {
// still discover secondary errors
if (field.initialization != null) field.initialization.resolve(field.isStatic() ? this.staticInitializerScope : this.initializerScope);
this.ignoreFurtherInvestigation = true;
continue;
}
this.maxFieldCount++;
lastVisibleFieldID = field.binding.id;
break;
case AbstractVariableDeclaration.INITIALIZER:
((Initializer) field).lastVisibleFieldID = lastVisibleFieldID + 1;
break;
}
field.resolve(field.isStatic() ? this.staticInitializerScope : this.initializerScope);
}
}
if (this.methods != null) {
for (int i = 0, count = this.methods.length; i < count; i++) {
this.methods[i].resolve(this.scope);
}
}
// Resolve javadoc
if (this.javadoc != null) {
if (this.scope != null && (this.name != TypeConstants.PACKAGE_INFO_NAME)) {
// if the type is package-info, the javadoc was resolved as part of the compilation unit javadoc
this.javadoc.resolve(this.scope);
}
} else if (sourceType != null && !sourceType.isLocalType()) {
this.scope.problemReporter().javadocMissing(this.sourceStart, this.sourceEnd, sourceType.modifiers);
}
} catch (AbortType e) {
this.ignoreFurtherInvestigation = true;
return;
}
}
/**
* Resolve a local type declaration
*/
public void resolve(BlockScope blockScope) {
// need to build its scope first and proceed with binding's creation
if ((this.bits & ASTNode.IsAnonymousType) == 0) {
// check collision scenarii
blockScope.addLocalType(this);
}
if (this.binding != null) {
// remember local types binding for innerclass emulation propagation
blockScope.referenceCompilationUnit().record((LocalTypeBinding)this.binding);
// binding is not set if the receiver could not be created
resolve();
updateMaxFieldCount();
}
}
/**
* Resolve a member type declaration (can be a local member)
*/
public void resolve(ClassScope upperScope) {
// member scopes are already created
// request the construction of a binding if local member type
if (this.binding != null && this.binding instanceof LocalTypeBinding) {
// remember local types binding for innerclass emulation propagation
upperScope.referenceCompilationUnit().record((LocalTypeBinding)this.binding);
}
resolve();
updateMaxFieldCount();
}
/**
* Resolve a top level type declaration
*/
public void resolve(CompilationUnitScope upperScope) {
// top level : scope are already created
resolve();
updateMaxFieldCount();
}
public void tagAsHavingErrors() {
this.ignoreFurtherInvestigation = true;
}
/**
* Iteration for a package member type
*
*/
public void traverse(ASTVisitor visitor, CompilationUnitScope unitScope) {
if (this.ignoreFurtherInvestigation)
return;
try {
if (visitor.visit(this, unitScope)) {
if (this.javadoc != null) {
this.javadoc.traverse(visitor, this.scope);
}
if (this.superclass != null)
this.superclass.traverse(visitor, this.scope);
if (this.memberTypes != null) {
int length = this.memberTypes.length;
for (int i = 0; i < length; i++)
this.memberTypes[i].traverse(visitor, this.scope);
}
if (this.fields != null) {
int length = this.fields.length;
for (int i = 0; i < length; i++) {
FieldDeclaration field;
if ((field = this.fields[i]).isStatic()) {
field.traverse(visitor, this.staticInitializerScope);
} else {
field.traverse(visitor, this.initializerScope);
}
}
}
if (this.methods != null) {
int length = this.methods.length;
for (int i = 0; i < length; i++)
this.methods[i].traverse(visitor, this.scope);
}
}
visitor.endVisit(this, unitScope);
} catch (AbortType e) {
// silent abort
}
}
/**
* Iteration for a local innertype
*/
public void traverse(ASTVisitor visitor, BlockScope blockScope) {
if (this.ignoreFurtherInvestigation)
return;
try {
if (visitor.visit(this, blockScope)) {
if (this.javadoc != null) {
this.javadoc.traverse(visitor, this.scope);
}
if (this.superclass != null)
this.superclass.traverse(visitor, this.scope);
if (this.memberTypes != null) {
int length = this.memberTypes.length;
for (int i = 0; i < length; i++)
this.memberTypes[i].traverse(visitor, this.scope);
}
if (this.fields != null) {
int length = this.fields.length;
for (int i = 0; i < length; i++) {
FieldDeclaration field;
if ((field = this.fields[i]).isStatic()) {
// local type cannot have static fields
} else {
field.traverse(visitor, this.initializerScope);
}
}
}
if (this.methods != null) {
int length = this.methods.length;
for (int i = 0; i < length; i++)
this.methods[i].traverse(visitor, this.scope);
}
}
visitor.endVisit(this, blockScope);
} catch (AbortType e) {
// silent abort
}
}
/**
* Iteration for a member innertype
*
*/
public void traverse(ASTVisitor visitor, ClassScope classScope) {
if (this.ignoreFurtherInvestigation)
return;
try {
if (visitor.visit(this, classScope)) {
if (this.javadoc != null) {
this.javadoc.traverse(visitor, scope);
}
if (this.superclass != null)
this.superclass.traverse(visitor, this.scope);
if (this.memberTypes != null) {
int length = this.memberTypes.length;
for (int i = 0; i < length; i++)
this.memberTypes[i].traverse(visitor, this.scope);
}
if (this.fields != null) {
int length = this.fields.length;
for (int i = 0; i < length; i++) {
FieldDeclaration field;
if ((field = this.fields[i]).isStatic()) {
field.traverse(visitor, this.staticInitializerScope);
} else {
field.traverse(visitor, this.initializerScope);
}
}
}
if (this.methods != null) {
int length = this.methods.length;
for (int i = 0; i < length; i++)
this.methods[i].traverse(visitor, this.scope);
}
}
visitor.endVisit(this, classScope);
} catch (AbortType e) {
// silent abort
}
}
/**
* MaxFieldCount's computation is necessary so as to reserve space for
* the flow info field portions. It corresponds to the maximum amount of
* fields this class or one of its innertypes have.
*
* During name resolution, types are traversed, and the max field count is recorded
* on the outermost type. It is then propagated down during the flow analysis.
*
* This method is doing either up/down propagation.
*/
void updateMaxFieldCount() {
if (this.binding == null)
return; // error scenario
TypeDeclaration outerMostType = this.scope.outerMostClassScope().referenceType();
if (this.maxFieldCount > outerMostType.maxFieldCount) {
outerMostType.maxFieldCount = this.maxFieldCount; // up
} else {
this.maxFieldCount = outerMostType.maxFieldCount; // down
}
}
/**
* Returns whether the type is a secondary one or not.
*/
public boolean isSecondary() {
return (this.bits & ASTNode.IsSecondaryType) != 0;
}
public int getASTType() {
return IASTNode.TYPE_DECLARATION;
}
}