123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311 |
- /* *******************************************************************
- * Copyright (c) 2002-2010 Contributors
- * 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:
- * PARC, Andy Clement (SpringSource)
- * ******************************************************************/
- package org.aspectj.ajdt.internal.compiler.ast;
-
- import java.lang.reflect.Modifier;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.List;
- import java.util.Map;
-
- import org.aspectj.ajdt.internal.compiler.ast.AccessForInlineVisitor.SuperAccessMethodPair;
- import org.aspectj.ajdt.internal.compiler.lookup.EclipseFactory;
- import org.aspectj.ajdt.internal.compiler.lookup.EclipseScope;
- import org.aspectj.ajdt.internal.compiler.lookup.EclipseSourceType;
- import org.aspectj.ajdt.internal.compiler.lookup.EclipseTypeMunger;
- import org.aspectj.ajdt.internal.compiler.lookup.HelperInterfaceBinding;
- import org.aspectj.ajdt.internal.compiler.lookup.InlineAccessFieldBinding;
- import org.aspectj.ajdt.internal.compiler.lookup.IntertypeMemberTypeFinder;
- import org.aspectj.ajdt.internal.compiler.lookup.PrivilegedHandler;
- import org.aspectj.org.eclipse.jdt.core.compiler.CharOperation;
- import org.aspectj.org.eclipse.jdt.internal.compiler.ClassFile;
- import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
- import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation;
- import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Clinit;
- import org.aspectj.org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
- import org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
- import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
- import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.BranchLabel;
- import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream;
- import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.ExceptionLabel;
- import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.Opcodes;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Binding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ClassScope;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.InvocationSite;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.LocalVariableBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ParameterizedTypeBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Scope;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TagBits;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
- import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.UnresolvedReferenceBinding;
- import org.aspectj.weaver.AjAttribute;
- import org.aspectj.weaver.AjcMemberMaker;
- import org.aspectj.weaver.NameMangler;
- import org.aspectj.weaver.NewMemberClassTypeMunger;
- import org.aspectj.weaver.ReferenceType;
- import org.aspectj.weaver.ResolvedMember;
- import org.aspectj.weaver.ResolvedType;
- import org.aspectj.weaver.Shadow;
- import org.aspectj.weaver.UnresolvedType;
- import org.aspectj.weaver.patterns.Declare;
- import org.aspectj.weaver.patterns.FormalBinding;
- import org.aspectj.weaver.patterns.PerClause;
- import org.aspectj.weaver.patterns.PerFromSuper;
- import org.aspectj.weaver.patterns.PerSingleton;
- import org.aspectj.weaver.patterns.TypePattern;
-
- /**
- * Represents an aspect declaration.
- *
- * @author PARC
- * @author Andy Clement
- */
- public class AspectDeclaration extends TypeDeclaration {
- // public IAjDeclaration[] ajDeclarations;
-
- // private AjAttribute.Aspect aspectAttribute;
- public PerClause perClause;
- public ResolvedMember aspectOfMethod;
- public ResolvedMember ptwGetWithinTypeNameMethod;
- public ResolvedMember hasAspectMethod;
- public Map<ResolvedMember, Binding> accessForInline = new HashMap<ResolvedMember, Binding>();
- public Map<ResolvedMember, AccessForInlineVisitor.SuperAccessMethodPair> superAccessForInline = new HashMap<ResolvedMember, AccessForInlineVisitor.SuperAccessMethodPair>();
- public boolean isPrivileged;
- public EclipseSourceType concreteName;
- public ReferenceType typeX;
- public EclipseFactory factory; // ??? should use this consistently
- public int adviceCounter = 1; // Used as a part of the generated name for advice methods
- public int declareCounter = 1; // Used as a part of the generated name for methods representing declares
- // for better error messages in 1.0 to 1.1 transition
- public TypePattern dominatesPattern;
-
- private int declaredModifiers;
-
- public AspectDeclaration(CompilationResult compilationResult) {
- super(compilationResult);
- // perClause = new PerSingleton();
- }
-
- public boolean isAbstract() {
- return (modifiers & ClassFileConstants.AccAbstract) != 0;
- }
-
- public void resolve() {
- declaredModifiers = modifiers; // remember our modifiers, we're going to be public in generateCode
- if (binding == null) {
- ignoreFurtherInvestigation = true;
- return;
- }
-
- super.resolve();
- }
-
- public void checkSpec(ClassScope scope) {
- if (ignoreFurtherInvestigation) {
- return;
- }
- if (dominatesPattern != null) {
- scope.problemReporter().signalError(
- dominatesPattern.getStart(),
- dominatesPattern.getEnd(),
- "dominates has changed for 1.1, use 'declare precedence: " + new String(this.name) + ", "
- + dominatesPattern.toString() + ";' " + "in the body of the aspect instead");
- }
-
- if (!isAbstract()) {
- MethodBinding[] methods = binding.methods();
- for (int i = 0, len = methods.length; i < len; i++) {
- MethodBinding m = methods[i];
- if (m.isConstructor()) {
- // this make all constructors in aspects invisible and thus uncallable
- // XXX this only works for aspects that come from source
- methods[i] = new MethodBinding(m, binding) {
- public boolean canBeSeenBy(InvocationSite invocationSite, Scope scope) {
- return false;
- }
- };
-
- if (m.parameters != null && m.parameters.length != 0) {
- scope.problemReporter().signalError(m.sourceStart(), m.sourceEnd(),
- "only zero-argument constructors allowed in concrete aspect");
- }
- }
- }
-
- // check the aspect was not declared generic, only abstract aspects can have type params
- if (typeParameters != null && typeParameters.length > 0) {
- scope.problemReporter().signalError(sourceStart(), sourceEnd(), "only abstract aspects can have type parameters");
- }
- }
-
- if (this.enclosingType != null) {
- if (!Modifier.isStatic(modifiers)) {
- scope.problemReporter().signalError(sourceStart, sourceEnd, "inner aspects must be static");
- ignoreFurtherInvestigation = true;
- return;
- }
- }
-
- EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(scope);
- ResolvedType myType = typeX;
- // if (myType == null) System.err.println("bad myType for: " + this);
- ResolvedType superType = myType.getSuperclass();
-
- // can't be Serializable/Cloneable unless -XserializableAspects
- if (!world.isXSerializableAspects()) {
- if (world.getWorld().getCoreType(UnresolvedType.SERIALIZABLE).isAssignableFrom(myType)) {
- scope.problemReporter().signalError(sourceStart, sourceEnd, "aspects may not implement Serializable");
- ignoreFurtherInvestigation = true;
- return;
- }
- if (world.getWorld().getCoreType(UnresolvedType.CLONEABLE).isAssignableFrom(myType)) {
- scope.problemReporter().signalError(sourceStart, sourceEnd, "aspects may not implement Cloneable");
- ignoreFurtherInvestigation = true;
- return;
- }
-
- }
-
- if (superType.isAspect()) {
- if (!superType.isAbstract()) {
- scope.problemReporter().signalError(sourceStart, sourceEnd, "can not extend a concrete aspect");
- ignoreFurtherInvestigation = true;
- return;
- }
-
- // if super type is generic, check that we have fully parameterized it
- if (superType.isRawType()) {
- scope.problemReporter().signalError(sourceStart, sourceEnd,
- "a generic super-aspect must be fully parameterized in an extends clause");
- ignoreFurtherInvestigation = true;
- return;
- }
- }
- }
-
- private FieldBinding initFailureField = null;
-
- /**
- * AMC - this method is called by the AtAspectJVisitor during beforeCompilation processing in the AjCompiler adapter. We use
- * this hook to add in the @AspectJ annotations.
- */
- public void addAtAspectJAnnotations() {
- if (ignoreFurtherInvestigation) {
- // perClause likely to be null. This flag used to be checked before we got called (at e33 level, in traverse(ASTVisitor
- // visitor, CompilationUnitScope unitScope))
- // For e37 moved the check down to this level
- return;
- }
- if ((binding.tagBits & TagBits.AnnotationResolved) != 0) {
- // possibly resolution occurred during hasUnsatisfiedDependency()...
- binding.tagBits = (binding.tagBits & ~TagBits.AnnotationResolved);
- }
- Annotation atAspectAnnotation = AtAspectJAnnotationFactory.createAspectAnnotation(perClause.toDeclarationString(),
- declarationSourceStart);
- Annotation privilegedAnnotation = null;
- if (isPrivileged) {
- privilegedAnnotation = AtAspectJAnnotationFactory.createPrivilegedAnnotation(declarationSourceStart);
- }
- Annotation[] toAdd = new Annotation[isPrivileged ? 2 : 1];
- toAdd[0] = atAspectAnnotation;
- if (isPrivileged) {
- toAdd[1] = privilegedAnnotation;
- }
- if (annotations == null) {
- annotations = toAdd;
- } else {
- Annotation[] old = annotations;
- annotations = new Annotation[annotations.length + toAdd.length];
- System.arraycopy(old, 0, annotations, 0, old.length);
- System.arraycopy(toAdd, 0, annotations, old.length, toAdd.length);
- }
- TypeDeclaration.resolveAnnotations(staticInitializerScope, annotations, binding);
- }
-
- public void generateCode(ClassFile enclosingClassFile) {
- if (ignoreFurtherInvestigation) {
- if (binding == null) {
- return;
- }
- ClassFile.createProblemType(this, scope.referenceCompilationUnit().compilationResult);
- return;
- }
-
- // make me and my binding public
- this.modifiers = AstUtil.makePublic(this.modifiers);
- this.binding.modifiers = AstUtil.makePublic(this.binding.modifiers);
-
- if (!isAbstract()) {
- if (perClause != null && perClause.getKind() == PerClause.SINGLETON) {
- initFailureField = factory.createSyntheticFieldBinding(binding, AjcMemberMaker.initFailureCauseField(typeX));
- }
- // binding.addSyntheticField((SyntheticFieldBinding)initFailureField);
- // initFailureField = factory.makeFieldBinding(AjcMemberMaker.initFailureCauseField(typeX));
- // binding.addField(initFailureField);
-
- if (perClause == null) {
- // we've already produced an error for this
- } else if (perClause.getKind() == PerClause.SINGLETON) {
- factory.createSyntheticFieldBinding(binding, AjcMemberMaker.perSingletonField(typeX));
- // CUSTARD binding.addField(factory.makeFieldBinding(AjcMemberMaker.perSingletonField(typeX)));
-
- // CUSTARD
- methods[0] = new AspectClinit((Clinit) methods[0], compilationResult, false, true, initFailureField);
- } else if (perClause.getKind() == PerClause.PERCFLOW) {
- factory.createSyntheticFieldBinding(binding, AjcMemberMaker.perCflowField(typeX));
- // CUSTARD binding.addField(factory.makeFieldBinding(AjcMemberMaker.perCflowField(typeX)));
- methods[0] = new AspectClinit((Clinit) methods[0], compilationResult, true, false, null);
- } else if (perClause.getKind() == PerClause.PEROBJECT) {
- // binding.addField(
- // world.makeFieldBinding(
- // AjcMemberMaker.perCflowField(
- // typeX)));
- } else if (perClause.getKind() == PerClause.PERTYPEWITHIN) {
- factory.createSyntheticFieldBinding(binding, AjcMemberMaker.perTypeWithinWithinTypeField(typeX, typeX));
- // PTWIMPL Add field for storing typename in aspect for which the aspect instance exists
- // binding.addField(factory.makeFieldBinding(AjcMemberMaker.perTypeWithinWithinTypeField(typeX,typeX)));
- } else {
- throw new RuntimeException("unimplemented");
- }
- }
-
- if (EclipseFactory.DEBUG) {
- System.out.println(toString());
- }
-
- super.generateCode(enclosingClassFile);
- }
-
- public boolean needClassInitMethod() {
- return true;
- }
-
- @SuppressWarnings("unchecked")
- protected void generateAttributes(ClassFile classFile) {
- if (!isAbstract()) {
- generatePerSupportMembers(classFile);
- }
-
- generateInlineAccessMembers(classFile);
-
- addVersionAttributeIfNecessary(classFile);
-
- classFile.extraAttributes.add(new EclipseAttributeAdapter(new AjAttribute.Aspect(perClause)));
-
- if (binding.privilegedHandler != null) {
- // Only build the attribute if necessary
- PrivilegedHandler privilegedHandler = (PrivilegedHandler) binding.privilegedHandler;
- ResolvedMember[] members = privilegedHandler.getMembers();
- if (members.length > 0) {
- classFile.extraAttributes.add(new EclipseAttributeAdapter(new AjAttribute.PrivilegedAttribute(members)));
- }
- }
- if (memberTypes != null) {
- for (int i = 0; i < memberTypes.length; i++) {
- if (memberTypes[i] instanceof IntertypeMemberClassDeclaration) {
- IntertypeMemberClassDeclaration itdMemberClassDeclaration = (IntertypeMemberClassDeclaration) memberTypes[i];
- AjAttribute attribute = itdMemberClassDeclaration.getAttribute();
- if (attribute != null) {
- classFile.extraAttributes.add(new EclipseAttributeAdapter(attribute));
- }
- }
- }
- }
-
- // XXX need to get this attribute on anyone with a pointcut for good errors
- classFile.extraAttributes.add(new EclipseAttributeAdapter(new AjAttribute.SourceContextAttribute(new String(
- compilationResult().getFileName()), compilationResult().lineSeparatorPositions)));
-
- super.generateAttributes(classFile);
- }
-
- /**
- * A pointcut might have already added the attribute, let's not add it again.
- */
- @SuppressWarnings("unchecked")
- private void addVersionAttributeIfNecessary(ClassFile classFile) {
- for (Iterator iter = classFile.extraAttributes.iterator(); iter.hasNext();) {
- EclipseAttributeAdapter element = (EclipseAttributeAdapter) iter.next();
- if (CharOperation.equals(element.getNameChars(), weaverVersionChars)) {
- return;
- }
- }
- classFile.extraAttributes.add(new EclipseAttributeAdapter(new AjAttribute.WeaverVersionInfo()));
- }
-
- private static char[] weaverVersionChars = "org.aspectj.weaver.WeaverVersion".toCharArray();
-
- private void generateInlineAccessMembers(ClassFile classFile) {
- for (Iterator<SuperAccessMethodPair> i = superAccessForInline.values().iterator(); i.hasNext();) {
- AccessForInlineVisitor.SuperAccessMethodPair pair = i.next();
- generateSuperAccessMethod(classFile, pair.accessMethod, pair.originalMethod);
- }
- for (Iterator<Map.Entry<ResolvedMember, Binding>> i = accessForInline.entrySet().iterator(); i.hasNext();) {
- Map.Entry<ResolvedMember, Binding> e = i.next();
- generateInlineAccessMethod(classFile, e.getValue(), e.getKey());
- }
- }
-
- private void generatePerSupportMembers(ClassFile classFile) {
- if (isAbstract()) {
- return;
- }
-
- // XXX otherwise we need to have this (error handling?)
- if (aspectOfMethod == null) {
- return;
- }
- if (perClause == null) {
- System.err.println("has null perClause: " + this);
- return;
- }
-
- // EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
-
- if (perClause.getKind() == PerClause.SINGLETON) {
- generatePerSingletonAspectOfMethod(classFile);
- generatePerSingletonHasAspectMethod(classFile);
- generatePerSingletonAjcClinitMethod(classFile);
- } else if (perClause.getKind() == PerClause.PERCFLOW) {
- generatePerCflowAspectOfMethod(classFile);
- generatePerCflowHasAspectMethod(classFile);
- generatePerCflowPushMethod(classFile);
- generatePerCflowAjcClinitMethod(classFile);
- } else if (perClause.getKind() == PerClause.PEROBJECT) {
- TypeBinding interfaceType = generatePerObjectInterface(classFile);
- generatePerObjectAspectOfMethod(classFile, interfaceType);
- generatePerObjectHasAspectMethod(classFile, interfaceType);
- generatePerObjectBindMethod(classFile, interfaceType);
- } else if (perClause.getKind() == PerClause.PERTYPEWITHIN) {
- // PTWIMPL Generate the methods required *in the aspect*
- generatePerTypeWithinAspectOfMethod(classFile); // public static <aspecttype> aspectOf(java.lang.Class)
- generatePerTypeWithinGetInstanceMethod(classFile); // private static <aspecttype> ajc$getInstance(Class c) throws
- // Exception
- generatePerTypeWithinHasAspectMethod(classFile);
- generatePerTypeWithinCreateAspectInstanceMethod(classFile); // generate public static X ajc$createAspectInstance(Class
- // forClass) {
- generatePerTypeWithinGetWithinTypeNameMethod(classFile);
- } else {
- throw new RuntimeException("unimplemented");
- }
- }
-
- private static interface BodyGenerator {
- public void generate(CodeStream codeStream);
- }
-
- private void generateMethod(ClassFile classFile, ResolvedMember member, BodyGenerator gen) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, world.makeMethodBinding(member), gen);
- }
-
- private void generateMethod(ClassFile classFile, MethodBinding methodBinding, BodyGenerator gen) {
- generateMethod(classFile, methodBinding, null, gen);
- }
-
- protected List<EclipseAttributeAdapter> makeEffectiveSignatureAttribute(ResolvedMember sig, Shadow.Kind kind, boolean weaveBody) {
- List<EclipseAttributeAdapter> l = new ArrayList<EclipseAttributeAdapter>(1);
- l.add(new EclipseAttributeAdapter(new AjAttribute.EffectiveSignatureAttribute(sig, kind, weaveBody)));
- return l;
- }
-
- /*
- * additionalAttributes allows us to pass some optional attributes we want to attach to the method we generate. Currently this
- * is used for inline accessor methods that have been generated to allow private field references or private method calls to be
- * inlined (PR71377). In these cases the optional attribute is an effective signature attribute which means calls to these
- * methods are able to masquerade as any join point (a field set, field get or method call). The effective signature attribute
- * is 'unwrapped' in BcelClassWeaver.matchInvokeInstruction()
- */
- private void generateMethod(ClassFile classFile, MethodBinding methodBinding, List additionalAttributes, BodyGenerator gen) {
- // EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- classFile.generateMethodInfoHeader(methodBinding);
- int methodAttributeOffset = classFile.contentsOffset;
-
- int attributeNumber;
- if (additionalAttributes != null) { // mini optimization
- List attrs = new ArrayList();
- attrs.addAll(AstUtil.getAjSyntheticAttribute());
- attrs.addAll(additionalAttributes);
- attributeNumber = classFile.generateMethodInfoAttributes(methodBinding, attrs);
- } else {
- attributeNumber = classFile.generateMethodInfoAttributes(methodBinding, AstUtil.getAjSyntheticAttribute());
- }
-
- int codeAttributeOffset = classFile.contentsOffset;
- classFile.generateCodeAttributeHeader();
- CodeStream codeStream = classFile.codeStream;
-
- // Use reset() rather than init()
- // XXX We need a scope to keep reset happy, initializerScope is *not* the right one, but it works !
- // codeStream.init(classFile);
- // codeStream.initializeMaxLocals(methodBinding);
- MethodDeclaration md = AstUtil.makeMethodDeclaration(methodBinding);
- md.scope = initializerScope;
- codeStream.reset(md, classFile);
- // body starts here
- gen.generate(codeStream);
- // body ends here
- if (codeStream.pcToSourceMapSize == 0) {
- codeStream.recordPositionsFrom(0, 1);
- }
- boolean b = ((codeStream.generateAttributes & ClassFileConstants.ATTR_VARS) != 0 ? true : false); // pr148693
- if (codeStream.maxLocals == 0) {
- codeStream.generateAttributes &= ~ClassFileConstants.ATTR_VARS;
- }
- classFile.completeCodeAttribute(codeAttributeOffset);
- if (b) {
- codeStream.generateAttributes |= ClassFileConstants.ATTR_VARS;
- }
-
- attributeNumber++;
- classFile.completeMethodInfo(methodBinding, methodAttributeOffset, attributeNumber);
- }
-
- private void generatePerCflowAspectOfMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, aspectOfMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.fieldAccess(Opcodes.OPC_getstatic, world.makeFieldBinding(AjcMemberMaker.perCflowField(typeX)), null);
-
- codeStream.invoke(Opcodes.OPC_invokevirtual,
- world.makeMethodBindingForCall(AjcMemberMaker.cflowStackPeekInstance()), null);
- codeStream.checkcast(binding);
- codeStream.areturn();
- // body ends here
- }
- });
-
- }
-
- private void generatePerCflowHasAspectMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, hasAspectMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.fieldAccess(Opcodes.OPC_getstatic, world.makeFieldBinding(AjcMemberMaker.perCflowField(typeX)), null);
- codeStream.invoke(Opcodes.OPC_invokevirtual, world.makeMethodBindingForCall(AjcMemberMaker.cflowStackIsValid()),
- null);
- codeStream.ireturn();
- // body ends here
- }
- });
- }
-
- private void generatePerCflowPushMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, world.makeMethodBinding(AjcMemberMaker.perCflowPush(factory.fromBinding(binding))),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.fieldAccess(Opcodes.OPC_getstatic, world.makeFieldBinding(AjcMemberMaker.perCflowField(typeX)),
- null);
- codeStream.new_(binding);
- codeStream.dup();
- codeStream.invoke(Opcodes.OPC_invokespecial, new MethodBinding(0, "<init>".toCharArray(), TypeBinding.VOID,
- new TypeBinding[0], new ReferenceBinding[0], binding), null);
-
- codeStream.invoke(Opcodes.OPC_invokevirtual,
- world.makeMethodBindingForCall(AjcMemberMaker.cflowStackPushInstance()), null);
- codeStream.return_();
- // body ends here
- }
- });
-
- }
-
- private void generatePerCflowAjcClinitMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, world.makeMethodBinding(AjcMemberMaker.ajcPreClinitMethod(world.fromBinding(binding))),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.new_(world.makeTypeBinding(AjcMemberMaker.CFLOW_STACK_TYPE));
- codeStream.dup();
- codeStream.invoke(Opcodes.OPC_invokespecial,
- world.makeMethodBindingForCall(AjcMemberMaker.cflowStackInit()), null);
- codeStream.fieldAccess(Opcodes.OPC_putstatic, world.makeFieldBinding(AjcMemberMaker.perCflowField(typeX)),
- null);
- codeStream.return_();
- // body ends here
- }
- });
-
- }
-
- private TypeBinding generatePerObjectInterface(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- UnresolvedType interfaceTypeX = AjcMemberMaker.perObjectInterfaceType(typeX);
- HelperInterfaceBinding interfaceType = new HelperInterfaceBinding(this.binding, interfaceTypeX);
- world.addTypeBindingAndStoreInWorld(interfaceType);
- interfaceType.addMethod(world, AjcMemberMaker.perObjectInterfaceGet(typeX));
- interfaceType.addMethod(world, AjcMemberMaker.perObjectInterfaceSet(typeX));
- interfaceType.generateClass(compilationResult, classFile);
- return interfaceType;
- }
-
- /*
- * private void generatePerTypeWithinGetWithinTypeMethod(ClassFile classFile) { final EclipseFactory world =
- * EclipseFactory.fromScopeLookupEnvironment(this.scope); generateMethod(classFile,ptwGetWithinTypeMethod,new BodyGenerator() {
- * public void generate(CodeStream codeStream) { codeStream.aload_0();
- * codeStream.getfield(world.makeFieldBinding(AjcMemberMaker.perTypeWithinWithinTypeField(typeX,typeX))); codeStream.areturn();
- * }}); }
- */
-
- // PTWIMPL Generate aspectOf() method
- private void generatePerTypeWithinAspectOfMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, aspectOfMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
-
- LocalVariableBinding theTypeVar = new LocalVariableBinding("type".toCharArray(), world
- .makeTypeBinding(UnresolvedType.JL_CLASS), Modifier.PUBLIC, true);
- codeStream.record(theTypeVar);
- theTypeVar.recordInitializationStartPC(0);
-
- BranchLabel instanceFound = new BranchLabel(codeStream);
-
- TypeBinding exceptionTypeBinding = world.makeTypeBinding(UnresolvedType.JL_EXCEPTION);
- ExceptionLabel anythingGoesWrong = new ExceptionLabel(codeStream, exceptionTypeBinding);
- anythingGoesWrong.placeStart();
- codeStream.aload_0();
- codeStream.invoke(Opcodes.OPC_invokestatic,
- world.makeMethodBindingForCall(AjcMemberMaker.perTypeWithinGetInstance(typeX)), null);
- LocalVariableBinding aspectInstanceVar = new LocalVariableBinding("instance".toCharArray(), world
- .makeTypeBinding(UnresolvedType.OBJECT), Modifier.PUBLIC, false);
- aspectInstanceVar.resolvedPosition = 1;
- codeStream.record(aspectInstanceVar);
- aspectInstanceVar.recordInitializationStartPC(codeStream.position);
- codeStream.astore_1();
- codeStream.aload_1();
- codeStream.ifnonnull(instanceFound);
- codeStream.new_(world.makeTypeBinding(AjcMemberMaker.NO_ASPECT_BOUND_EXCEPTION));
- codeStream.dup();
-
- codeStream.ldc(typeX.getName());
- codeStream.aconst_null();
-
- codeStream.invoke(Opcodes.OPC_invokespecial,
- world.makeMethodBindingForCall(AjcMemberMaker.noAspectBoundExceptionInit2()), null);
- codeStream.athrow();
- instanceFound.place();
- codeStream.aload_1();
-
- codeStream.areturn();
- anythingGoesWrong.placeEnd();
- anythingGoesWrong.place();
- codeStream.pushExceptionOnStack(exceptionTypeBinding); // For stackmap computation to behave
- codeStream.astore_1();
- codeStream.new_(world.makeTypeBinding(AjcMemberMaker.NO_ASPECT_BOUND_EXCEPTION));
-
- codeStream.dup();
-
- // Run the simple ctor for NABE
- codeStream.invoke(Opcodes.OPC_invokespecial,
- world.makeMethodBindingForCall(AjcMemberMaker.noAspectBoundExceptionInit()), null);
- codeStream.athrow();
-
- theTypeVar.recordInitializationEndPC(codeStream.position);
- aspectInstanceVar.recordInitializationEndPC(codeStream.position);
- }
- });
- }
-
- private void generatePerObjectAspectOfMethod(ClassFile classFile, final TypeBinding interfaceType) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, aspectOfMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- LocalVariableBinding objectVar = new LocalVariableBinding("object".toCharArray(), world
- .makeTypeBinding(UnresolvedType.OBJECT), Modifier.PUBLIC, true);
- codeStream.record(objectVar);
- objectVar.recordInitializationStartPC(0);
-
- BranchLabel wrongType = new BranchLabel(codeStream);
- BranchLabel returnIt = new BranchLabel(codeStream);
- codeStream.aload_0();
- codeStream.instance_of(interfaceType);
- codeStream.ifeq(wrongType);
- codeStream.aload_0();
- codeStream.checkcast(interfaceType);
- codeStream.invoke(Opcodes.OPC_invokeinterface,
- world.makeMethodBindingForCall(AjcMemberMaker.perObjectInterfaceGet(typeX)), null);
-
- codeStream.dup();
- codeStream.ifnonnull(returnIt);
- codeStream.pop();
- wrongType.place();
- codeStream.new_(world.makeTypeBinding(AjcMemberMaker.NO_ASPECT_BOUND_EXCEPTION));
- codeStream.dup();
- codeStream.invoke(Opcodes.OPC_invokespecial,
- world.makeMethodBindingForCall(AjcMemberMaker.noAspectBoundExceptionInit()), null);
- codeStream.athrow();
-
- returnIt.place();
- codeStream.areturn();
- codeStream.locals[0].recordInitializationEndPC(codeStream.position);
- // body ends here
- }
- });
-
- }
-
- private void generatePerObjectHasAspectMethod(ClassFile classFile, final TypeBinding interfaceType) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, hasAspectMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- LocalVariableBinding objectVar = new LocalVariableBinding("object".toCharArray(), world
- .makeTypeBinding(UnresolvedType.OBJECT), Modifier.PUBLIC, true);
- codeStream.record(objectVar);
- objectVar.recordInitializationStartPC(0);
- BranchLabel wrongType = new BranchLabel(codeStream);
- codeStream.aload_0();
- codeStream.instance_of(interfaceType);
- codeStream.ifeq(wrongType);
- codeStream.aload_0();
- codeStream.checkcast(interfaceType);
- codeStream.invoke(Opcodes.OPC_invokeinterface,
- world.makeMethodBindingForCall(AjcMemberMaker.perObjectInterfaceGet(typeX)), null);
- codeStream.ifnull(wrongType);
- codeStream.iconst_1();
- codeStream.ireturn();
-
- wrongType.place();
- codeStream.iconst_0();
- codeStream.ireturn();
- codeStream.locals[0].recordInitializationEndPC(codeStream.position);
- // body ends here
- }
- });
- }
-
- // PTWIMPL Generate hasAspect() method
- private void generatePerTypeWithinHasAspectMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, hasAspectMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- LocalVariableBinding classVariable = new LocalVariableBinding("clazz".toCharArray(), world
- .makeTypeBinding(UnresolvedType.JL_CLASS), Modifier.PUBLIC, true);
- codeStream.record(classVariable);
- classVariable.recordInitializationStartPC(codeStream.position);
- ExceptionLabel goneBang = new ExceptionLabel(codeStream, world.makeTypeBinding(UnresolvedType.JL_EXCEPTION));
- BranchLabel noInstanceExists = new BranchLabel(codeStream);
- BranchLabel leave = new BranchLabel(codeStream);
- goneBang.placeStart();
- codeStream.aload_0();
- codeStream.invoke(Opcodes.OPC_invokestatic,
- world.makeMethodBinding(AjcMemberMaker.perTypeWithinGetInstance(typeX)), null);
- codeStream.ifnull(noInstanceExists);
- codeStream.iconst_1();
- codeStream.goto_(leave);
- noInstanceExists.place();
- codeStream.iconst_0();
- leave.place();
- goneBang.placeEnd();
- codeStream.ireturn();
- goneBang.place();
- codeStream.astore_1();
- codeStream.iconst_0();
- codeStream.ireturn();
- codeStream.locals[0].recordInitializationEndPC(codeStream.position);
- }
- });
- }
-
- private void generatePerObjectBindMethod(ClassFile classFile, final TypeBinding interfaceType) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, AjcMemberMaker.perObjectBind(world.fromBinding(binding)), new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
-
- LocalVariableBinding aspectInstanceVar = new LocalVariableBinding("aspectInstance".toCharArray(), world
- .makeTypeBinding(UnresolvedType.OBJECT), Modifier.PUBLIC, true);
- codeStream.record(aspectInstanceVar);
- aspectInstanceVar.recordInitializationStartPC(0);
-
- BranchLabel wrongType = new BranchLabel(codeStream);
- codeStream.aload_0();
- codeStream.instance_of(interfaceType);
- codeStream.ifeq(wrongType); // XXX this case might call for screaming
- codeStream.aload_0();
- codeStream.checkcast(interfaceType);
- codeStream.invoke(Opcodes.OPC_invokeinterface,
- world.makeMethodBindingForCall(AjcMemberMaker.perObjectInterfaceGet(typeX)), null);
- // XXX should do a check for null here and throw a NoAspectBound
- codeStream.ifnonnull(wrongType);
-
- codeStream.aload_0();
- codeStream.checkcast(interfaceType);
- codeStream.new_(binding);
- codeStream.dup();
- codeStream.invoke(Opcodes.OPC_invokespecial, new MethodBinding(0, "<init>".toCharArray(), TypeBinding.VOID,
- new TypeBinding[0], new ReferenceBinding[0], binding), null);
- codeStream.invoke(Opcodes.OPC_invokeinterface,
- world.makeMethodBindingForCall(AjcMemberMaker.perObjectInterfaceSet(typeX)), null);
-
- wrongType.place();
- codeStream.return_();
- codeStream.locals[0].recordInitializationEndPC(codeStream.position);
- // body ends here
- }
- });
- }
-
- private void generatePerTypeWithinGetWithinTypeNameMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- // Code:
- /*
- * Code: Stack=1, Locals=1, Args_size=1 0: aload_0 1: getfield #14; //Field ajc$withinType:Ljava/lang/String; 4: areturn
- */
- generateMethod(classFile,
- AjcMemberMaker.perTypeWithinGetWithinTypeNameMethod(world.fromBinding(binding), world.getWorld().isInJava5Mode()),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- ExceptionLabel exc = new ExceptionLabel(codeStream, world.makeTypeBinding(UnresolvedType.JL_EXCEPTION));
- exc.placeStart();
- codeStream.aload_0();
- codeStream.fieldAccess(Opcodes.OPC_getfield,
- world.makeFieldBinding(AjcMemberMaker.perTypeWithinWithinTypeField(typeX, typeX)), null);
- codeStream.areturn();
- }
- });
- }
-
- // PTWIMPL Generate getInstance method
- private void generatePerTypeWithinGetInstanceMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, AjcMemberMaker.perTypeWithinGetInstance(world.fromBinding(binding)), new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- LocalVariableBinding theTypeVar = new LocalVariableBinding("type".toCharArray(), world
- .makeTypeBinding(UnresolvedType.JL_CLASS), Modifier.PUBLIC, true);
- codeStream.record(theTypeVar);
- theTypeVar.recordInitializationStartPC(0);
- TypeBinding exceptionTypeBinding = world.makeTypeBinding(UnresolvedType.JL_EXCEPTION);
- ExceptionLabel exc = new ExceptionLabel(codeStream, exceptionTypeBinding);
- exc.placeStart();
- codeStream.aload_0();
- codeStream.ldc(NameMangler.perTypeWithinLocalAspectOf(typeX));
- codeStream.aconst_null();
- TypeBinding methodTypeBinding = world.makeTypeBinding(UnresolvedType.forSignature("Ljava/lang/reflect/Method;"));
- codeStream.invoke(
- Opcodes.OPC_invokevirtual,
- new MethodBinding(0, "getDeclaredMethod".toCharArray(),
- methodTypeBinding, // return type
- new TypeBinding[] { world.makeTypeBinding(UnresolvedType.forSignature("Ljava/lang/String;")),
- world.makeTypeBinding(UnresolvedType.forSignature("[Ljava/lang/Class;")) },
- new ReferenceBinding[0], (ReferenceBinding) world.makeTypeBinding(UnresolvedType.JL_CLASS)), null);
- codeStream.astore_1();
- LocalVariableBinding methodVariable = new LocalVariableBinding("method".toCharArray(), methodTypeBinding,
- Modifier.PUBLIC, true);
- codeStream.record(methodVariable);
- methodVariable.resolvedPosition = 1;
- methodVariable.recordInitializationStartPC(codeStream.position);
- codeStream.aload_1();
- codeStream.aconst_null();
- codeStream.aconst_null();
- codeStream.invoke(
- Opcodes.OPC_invokevirtual,
- new MethodBinding(0, "invoke".toCharArray(), world.makeTypeBinding(UnresolvedType.OBJECT),
- new TypeBinding[] { world.makeTypeBinding(UnresolvedType.OBJECT),
- world.makeTypeBinding(UnresolvedType.forSignature("[Ljava/lang/Object;")) },
- new ReferenceBinding[0], (ReferenceBinding) world
- .makeTypeBinding(UnresolvedType.JAVA_LANG_REFLECT_METHOD)), null);
- codeStream.checkcast(world.makeTypeBinding(typeX));
- codeStream.astore_2();
- LocalVariableBinding aspectInstanceVariable = new LocalVariableBinding("aspectInstance".toCharArray(), world
- .makeTypeBinding(typeX), Modifier.PUBLIC, true);
- codeStream.record(aspectInstanceVariable);
- aspectInstanceVariable.resolvedPosition = 2;
- aspectInstanceVariable.recordInitializationStartPC(codeStream.position);
- codeStream.aload_2();
- exc.placeEnd();
- codeStream.areturn();
- exc.place();
- codeStream.pushExceptionOnStack(exceptionTypeBinding); // For stackmap computation to behave
- codeStream.astore_1();
- // this just returns null now - the old version used to throw the caught exception!
- codeStream.aconst_null();
- codeStream.areturn();
- codeStream.locals[0].recordInitializationEndPC(codeStream.position);
- codeStream.locals[1].recordInitializationEndPC(codeStream.position);
- codeStream.locals[2].recordInitializationEndPC(codeStream.position);
- }
- });
- }
-
- private void generatePerTypeWithinCreateAspectInstanceMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, AjcMemberMaker.perTypeWithinCreateAspectInstance(world.fromBinding(binding)),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
-
- codeStream.new_(world.makeTypeBinding(typeX));
- codeStream.dup();
- codeStream.invoke(Opcodes.OPC_invokespecial, new MethodBinding(0, "<init>".toCharArray(), TypeBinding.VOID,
- new TypeBinding[0], new ReferenceBinding[0], binding), null);
- codeStream.astore_1();
- codeStream.aload_1();
- codeStream.aload_0();
- codeStream.fieldAccess(Opcodes.OPC_putfield,
- world.makeFieldBinding(AjcMemberMaker.perTypeWithinWithinTypeField(typeX, typeX)), null);
- codeStream.aload_1();
- codeStream.areturn();
- }
- });
- }
-
- private void generatePerSingletonAspectOfMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, aspectOfMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // Old style aspectOf() method which confused decompilers
- // // body starts here
- // codeStream.getstatic(world.makeFieldBinding(AjcMemberMaker.perSingletonField(
- // typeX)));
- // Label isNull = new Label(codeStream);
- // codeStream.dup();
- // codeStream.ifnull(isNull);
- // codeStream.areturn();
- // isNull.place();
- //
- // codeStream.incrStackSize(+1); // the dup trick above confuses the stack counter
- // codeStream.new_(world.makeTypeBinding(AjcMemberMaker.NO_ASPECT_BOUND_EXCEPTION));
- // codeStream.dup();
- // codeStream.ldc(typeX.getNameAsIdentifier());
- // codeStream.getstatic(initFailureField);
- // codeStream.invokespecial(world.makeMethodBindingForCall(
- // AjcMemberMaker.noAspectBoundExceptionInitWithCause()
- // ));
- // codeStream.athrow();
- // // body ends here
-
- // The stuff below generates code that looks like this:
- /*
- * if (ajc$perSingletonInstance == null) throw new NoAspectBoundException("A", ajc$initFailureCause); else return
- * ajc$perSingletonInstance;
- */
- // body starts here (see end of each line for what it is doing!)
- FieldBinding fb = world.makeFieldBinding(AjcMemberMaker.perSingletonField(typeX));
- codeStream.fieldAccess(Opcodes.OPC_getstatic, fb, null);
- BranchLabel isNonNull = new BranchLabel(codeStream);
- codeStream.ifnonnull(isNonNull); // IFNONNULL
- codeStream.new_(world.makeTypeBinding(AjcMemberMaker.NO_ASPECT_BOUND_EXCEPTION)); // NEW
- codeStream.dup(); // DUP
- codeStream.ldc(typeX.getNameAsIdentifier()); // LDC
- codeStream.fieldAccess(Opcodes.OPC_getstatic, initFailureField, null);
- codeStream.invoke(Opcodes.OPC_invokespecial,
- world.makeMethodBindingForCall(AjcMemberMaker.noAspectBoundExceptionInitWithCause()), null); // INVOKESPECIAL
- codeStream.athrow(); // ATHROW
- isNonNull.place();
- codeStream.fieldAccess(Opcodes.OPC_getstatic, fb, null);
- codeStream.areturn(); // ARETURN
- // body ends here
- }
- });
- }
-
- private void generatePerSingletonHasAspectMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, hasAspectMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.fieldAccess(Opcodes.OPC_getstatic, world.makeFieldBinding(AjcMemberMaker.perSingletonField(typeX)), null);
- BranchLabel isNull = new BranchLabel(codeStream);
- codeStream.ifnull(isNull);
- codeStream.iconst_1();
- codeStream.ireturn();
- isNull.place();
- codeStream.iconst_0();
- codeStream.ireturn();
- // body ends here
- }
- });
- }
-
- private void generatePerSingletonAjcClinitMethod(ClassFile classFile) {
- final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(this.scope);
- generateMethod(classFile, world.makeMethodBinding(AjcMemberMaker.ajcPostClinitMethod(world.fromBinding(binding))),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.new_(binding);
- codeStream.dup();
- codeStream.invoke(Opcodes.OPC_invokespecial, new MethodBinding(0, "<init>".toCharArray(), TypeBinding.VOID,
- new TypeBinding[0], new ReferenceBinding[0], binding), null);
-
- codeStream.fieldAccess(Opcodes.OPC_putstatic,
- world.makeFieldBinding(AjcMemberMaker.perSingletonField(typeX)), null);
- codeStream.return_();
- // body ends here
- }
- });
-
- }
-
- private void generateSuperAccessMethod(ClassFile classFile, final MethodBinding accessMethod, final ResolvedMember method) {
- generateMethod(classFile, accessMethod, new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- codeStream.aload_0();
- AstUtil.generateParameterLoads(accessMethod.parameters, codeStream, 1);
- codeStream.invoke(Opcodes.OPC_invokespecial, factory.makeMethodBinding(method), null);
- AstUtil.generateReturn(accessMethod.returnType, codeStream);
- // body ends here
- }
- });
-
- }
-
- private void generateInlineAccessMethod(ClassFile classFile, final Binding binding, final ResolvedMember member) {
- if (binding instanceof InlineAccessFieldBinding) {
- generateInlineAccessors(classFile, (InlineAccessFieldBinding) binding, member);
- } else {
- generateInlineAccessMethod(classFile, (MethodBinding) binding, member);
- }
- }
-
- private void generateInlineAccessors(ClassFile classFile, final InlineAccessFieldBinding accessField, final ResolvedMember field) {
- final FieldBinding fieldBinding = factory.makeFieldBinding(field);
-
- generateMethod(classFile, accessField.reader, makeEffectiveSignatureAttribute(field, Shadow.FieldGet, false),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- if (Modifier.isStatic(field.getModifiers())) {
- codeStream.fieldAccess(Opcodes.OPC_getstatic, fieldBinding, null);
- } else {
- codeStream.aload_0();
- codeStream.fieldAccess(Opcodes.OPC_getfield, fieldBinding, null);
- }
-
- AstUtil.generateReturn(accessField.reader.returnType, codeStream);
- // body ends here
- }
- });
-
- generateMethod(classFile, accessField.writer, makeEffectiveSignatureAttribute(field, Shadow.FieldSet, false),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
- if (Modifier.isStatic(field.getModifiers())) {
- codeStream.load(fieldBinding.type, 0);
- codeStream.fieldAccess(Opcodes.OPC_putstatic, fieldBinding, null);
- } else {
- codeStream.aload_0();
- codeStream.load(fieldBinding.type, 1);
- codeStream.fieldAccess(Opcodes.OPC_putfield, fieldBinding, null);
- }
-
- codeStream.return_();
- // body ends here
- }
- });
-
- }
-
- private void generateInlineAccessMethod(ClassFile classFile, final MethodBinding accessMethod, final ResolvedMember method) {
- generateMethod(classFile, accessMethod, makeEffectiveSignatureAttribute(method, Shadow.MethodCall, false),
- new BodyGenerator() {
- public void generate(CodeStream codeStream) {
- // body starts here
-
- AstUtil.generateParameterLoads(accessMethod.parameters, codeStream);
-
- if (Modifier.isStatic(method.getModifiers())) {
- codeStream.invoke(Opcodes.OPC_invokestatic, factory.makeMethodBinding(method), null);
- } else {
- codeStream.invoke(Opcodes.OPC_invokevirtual, factory.makeMethodBinding(method), null);
- }
-
- AstUtil.generateReturn(accessMethod.returnType, codeStream);
- // body ends here
- }
- });
- }
-
- private PerClause.Kind lookupPerClauseKind(ReferenceBinding binding) {
- PerClause perClause;
- if (binding instanceof BinaryTypeBinding) {
- ResolvedType superTypeX = factory.fromEclipse(binding);
- perClause = superTypeX.getPerClause();
- } else if (binding instanceof SourceTypeBinding) {
- SourceTypeBinding sourceSc = (SourceTypeBinding) binding;
- if (sourceSc.scope.referenceContext instanceof AspectDeclaration) {
- perClause = ((AspectDeclaration) sourceSc.scope.referenceContext).perClause;
- } else {
- return null;
- }
- } else if (binding instanceof ParameterizedTypeBinding) {
- ParameterizedTypeBinding pBinding = (ParameterizedTypeBinding) binding;
- if (pBinding.type instanceof SourceTypeBinding) {
- SourceTypeBinding sourceSc = (SourceTypeBinding) pBinding.type;
- if (sourceSc.scope != null && sourceSc.scope.referenceContext instanceof AspectDeclaration) {
- perClause = ((AspectDeclaration) sourceSc.scope.referenceContext).perClause;
- } else {
- return null;
- }
- } else {
- perClause = null;
- }
- } else {
- // XXX need to handle this too
- return null;
- }
- if (perClause == null) {
- return lookupPerClauseKind(binding.superclass());
- } else {
- return perClause.getKind();
- }
- }
-
- private void buildPerClause(ClassScope scope) {
- EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(scope);
-
- if (perClause == null) {
- PerClause.Kind kind = lookupPerClauseKind(binding.superclass);
- if (kind == null) {
- perClause = new PerSingleton();
- } else {
- perClause = new PerFromSuper(kind);
- }
- }
-
- // aspectAttribute = new AjAttribute.Aspect(perClause);
-
- if (ignoreFurtherInvestigation) {
- return; // ???
- }
-
- if (!isAbstract()) {
- if (perClause.getKind() == PerClause.SINGLETON) {
- aspectOfMethod = AjcMemberMaker.perSingletonAspectOfMethod(typeX);
- hasAspectMethod = AjcMemberMaker.perSingletonHasAspectMethod(typeX);
- } else if (perClause.getKind() == PerClause.PERCFLOW) {
- aspectOfMethod = AjcMemberMaker.perCflowAspectOfMethod(typeX);
- hasAspectMethod = AjcMemberMaker.perCflowHasAspectMethod(typeX);
- } else if (perClause.getKind() == PerClause.PEROBJECT) {
- aspectOfMethod = AjcMemberMaker.perObjectAspectOfMethod(typeX);
- hasAspectMethod = AjcMemberMaker.perObjectHasAspectMethod(typeX);
- } else if (perClause.getKind() == PerClause.PERTYPEWITHIN) {
- // PTWIMPL Use these variants of aspectOf()/hasAspect()
- aspectOfMethod = AjcMemberMaker.perTypeWithinAspectOfMethod(typeX, world.getWorld().isInJava5Mode());
- hasAspectMethod = AjcMemberMaker.perTypeWithinHasAspectMethod(typeX, world.getWorld().isInJava5Mode());
- ptwGetWithinTypeNameMethod = AjcMemberMaker.perTypeWithinGetWithinTypeNameMethod(typeX, world.getWorld()
- .isInJava5Mode());
- binding.addMethod(world.makeMethodBinding(ptwGetWithinTypeNameMethod));
- } else {
- throw new RuntimeException("bad per clause: " + perClause);
- }
-
- binding.addMethod(world.makeMethodBinding(aspectOfMethod));
- binding.addMethod(world.makeMethodBinding(hasAspectMethod));
- }
- resolvePerClause(); // XXX might be too soon for some error checking
- }
-
- private PerClause resolvePerClause() {
- EclipseScope iscope = new EclipseScope(new FormalBinding[0], scope);
- perClause.resolve(iscope);
- return perClause;
- }
-
- public void processIntertypeMemberTypes(ClassScope classScope) {
- factory = EclipseFactory.fromScopeLookupEnvironment(scope);
- if (memberTypes != null) {
- for (int i = 0; i < memberTypes.length; i++) {
- if (memberTypes[i] instanceof IntertypeMemberClassDeclaration) {
- EclipseTypeMunger m = ((IntertypeMemberClassDeclaration) memberTypes[i]).build(classScope);
- if (m != null) {
- mungeNewInnerClass(m, factory);
- concreteName.typeMungers.add(m);
- }
- }
- }
- }
- }
-
- public void buildInterTypeAndPerClause(ClassScope classScope) {
- factory = EclipseFactory.fromScopeLookupEnvironment(scope);
- if (isPrivileged) {
- binding.privilegedHandler = new PrivilegedHandler(this);
- }
-
- checkSpec(classScope);
- if (ignoreFurtherInvestigation) {
- return;
- }
-
- buildPerClause(scope);
-
- if (methods != null) {
- for (int i = 0; i < methods.length; i++) {
- if (methods[i] instanceof InterTypeDeclaration) {
- EclipseTypeMunger m = ((InterTypeDeclaration) methods[i]).build(classScope);
- if (m != null) {
- concreteName.typeMungers.add(m);
- }
- } else if (methods[i] instanceof DeclareDeclaration) {
- Declare d = ((DeclareDeclaration) methods[i]).build(classScope);
- if (d != null) {
- concreteName.declares.add(d);
- }
- }
- }
- }
-
- concreteName.getDeclaredPointcuts();
- }
-
- // public String toString(int tab) {
- // return tabString(tab) + toStringHeader() + toStringBody(tab);
- // }
- //
- // public String toStringBody(int tab) {
- //
- // String s = " {"; //$NON-NLS-1$
- //
- //
- // if (memberTypes != null) {
- // for (int i = 0; i < memberTypes.length; i++) {
- // if (memberTypes[i] != null) {
- // s += "\n" + memberTypes[i].toString(tab + 1); //$NON-NLS-1$
- // }
- // }
- // }
- // if (fields != null) {
- // for (int fieldI = 0; fieldI < fields.length; fieldI++) {
- // if (fields[fieldI] != null) {
- // s += "\n" + fields[fieldI].toString(tab + 1); //$NON-NLS-1$
- // if (fields[fieldI].isField())
- // s += ";"; //$NON-NLS-1$
- // }
- // }
- // }
- // if (methods != null) {
- // for (int i = 0; i < methods.length; i++) {
- // if (methods[i] != null) {
- // s += "\n" + methods[i].toString(tab + 1); //$NON-NLS-1$
- // }
- // }
- // }
- // s += "\n" + tabString(tab) + "}"; //$NON-NLS-2$ //$NON-NLS-1$
- // return s;
- // }
-
- // very similar to code in EclipseTypeMunger
- private void mungeNewInnerClass(EclipseTypeMunger m, EclipseFactory world) {
-
- NewMemberClassTypeMunger munger = (NewMemberClassTypeMunger) m.getMunger();
-
- // private boolean mungeNewInnerClass(SourceTypeBinding sourceType, ResolvedType onType, NewMemberClassTypeMunger munger,
- // boolean isExactTargetType) {
-
- SourceTypeBinding aspectTypeBinding = (SourceTypeBinding) world.makeTypeBinding(m.getAspectType());
-
- char[] mungerMemberTypeName = ("$" + munger.getMemberTypeName()).toCharArray();
- ReferenceBinding innerTypeBinding = null;
- for (ReferenceBinding innerType : aspectTypeBinding.memberTypes) {
- char[] compounded = CharOperation.concatWith(innerType.compoundName, '.');
- if (org.aspectj.org.eclipse.jdt.core.compiler.CharOperation.endsWith(compounded, mungerMemberTypeName)) {
- innerTypeBinding = innerType;
- break;
- }
- }
- // may be unresolved if the aspect type binding was a BinaryTypeBinding
- if (innerTypeBinding instanceof UnresolvedReferenceBinding) {
- innerTypeBinding = (ReferenceBinding) BinaryTypeBinding.resolveType(innerTypeBinding, world.getLookupEnvironment(),
- true);
- }
- if (innerTypeBinding == null) {
- throw new IllegalStateException("Could not find inner type binding for '" + munger.getMemberTypeName() + "'");
- }
-
- // TODO adjust modifier?
- // TODO deal with itd of it onto an interface
-
- SourceTypeBinding targetSourceTypeBinding = (SourceTypeBinding) world.makeTypeBinding(munger.getTargetType());
-
- // if it is a binary type binding it is likely to be something we ITD'd on before
- // TODO should probably avoid putting it onto BTBs at all (since already there)
- if (!(targetSourceTypeBinding instanceof BinaryTypeBinding)) {
- ReferenceBinding[] existingMemberTypes = targetSourceTypeBinding.memberTypes();
- for (int i = 0; i < existingMemberTypes.length; i++) {
- char[] compounded = CharOperation.concatWith(existingMemberTypes[i].compoundName, '.');
- if (CharOperation.endsWith(compounded, mungerMemberTypeName)) {
- scope.problemReporter().signalError(sourceStart(), sourceEnd(),
- "target type already declares a member type with the name '" + munger.getMemberTypeName() + "'");
- return;
- }
- }
- }
- /*
- * char[][] className = CharOperation.deepCopy(targetSourceTypeBinding.compoundName); className[className.length - 1] =
- * CharOperation.concat(className[className.length - 1], munger.getMemberTypeName() .toCharArray(), '$'); //
- * ReferenceBinding existingType = packageBinding.getType0(className[className.length - 1]); innerTypeBinding.compoundName =
- * className; innerTypeBinding.fPackage = targetSourceTypeBinding.fPackage;
- */
- findOrCreateInterTypeMemberClassFinder(targetSourceTypeBinding).addInterTypeMemberType(innerTypeBinding);
- }
-
- private IntertypeMemberTypeFinder findOrCreateInterTypeMemberClassFinder(SourceTypeBinding sourceType) {
- IntertypeMemberTypeFinder finder = (IntertypeMemberTypeFinder) sourceType.typeFinder;
- if (finder == null) {
- finder = new IntertypeMemberTypeFinder();
- sourceType.typeFinder = finder;
- finder.targetTypeBinding = sourceType;
- sourceType.tagBits &= ~TagBits.HasNoMemberTypes; // ensure it thinks it has one
- }
- return finder;
- }
-
- public StringBuffer printHeader(int indent, StringBuffer output) {
- // since all aspects are made public we want to print the
- // modifiers that were supplied in the original source code
- printModifiers(this.declaredModifiers, output);
- output.append("aspect ");
- output.append(name);
- if (superclass != null) {
- output.append(" extends "); //$NON-NLS-1$
- superclass.print(0, output);
- }
- if (superInterfaces != null && superInterfaces.length > 0) {
- output.append((TypeDeclaration.kind(this.modifiers) == TypeDeclaration.INTERFACE_DECL) ? " extends " : " implements ");//$NON-NLS-2$ //$NON-NLS-1$
- for (int i = 0; i < superInterfaces.length; i++) {
- if (i > 0) {
- output.append(", "); //$NON-NLS-1$
- }
- superInterfaces[i].print(0, output);
- }
- }
- return output;
- // XXX we should append the per-clause
- }
-
- /**
- * All aspects are made public after type checking etc. and before generating code (so that the advice can be called!). This
- * method returns the modifiers as specified in the original source code declaration so that the structure model sees the right
- * thing.
- */
- public int getDeclaredModifiers() {
- return declaredModifiers;
- }
-
- public char[] getLocalTypeNameSuffix() {
- return name;
- }
- }
|