Examples with ThisReference org.eclipse.jdt.internal.compiler.ast.ThisReference used on opensource projects

Example 16 with ThisReference

use of org.eclipse.jdt.internal.compiler.ast.ThisReference in project lombok by rzwitserloot.

the class HandleBuilder method generateBuildMethod.

public MethodDeclaration generateBuildMethod(boolean isStatic, String name, char[] staticName, TypeReference returnType, List<BuilderFieldData> builderFields, EclipseNode type, TypeReference[] thrownExceptions, boolean addCleaning, ASTNode source) {
    MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    List<Statement> statements = new ArrayList<Statement>();
    if (addCleaning) {
        FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
        thisUnclean.receiver = new ThisReference(0, 0);
        Expression notClean = new UnaryExpression(thisUnclean, OperatorIds.NOT);
        MessageSend invokeClean = new MessageSend();
        invokeClean.selector = CLEAN_METHOD_NAME;
        statements.add(new IfStatement(notClean, invokeClean, 0, 0));
    }
    for (BuilderFieldData bfd : builderFields) {
        if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) {
            bfd.singularData.getSingularizer().appendBuildCode(bfd.singularData, type, statements, bfd.name);
        }
    }
    List<Expression> args = new ArrayList<Expression>();
    for (BuilderFieldData bfd : builderFields) {
        args.add(new SingleNameReference(bfd.name, 0L));
    }
    if (addCleaning) {
        FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
        thisUnclean.receiver = new ThisReference(0, 0);
        statements.add(new Assignment(thisUnclean, new TrueLiteral(0, 0), 0));
    }
    out.modifiers = ClassFileConstants.AccPublic;
    out.selector = name.toCharArray();
    out.thrownExceptions = copyTypes(thrownExceptions);
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    out.returnType = returnType;
    if (staticName == null) {
        AllocationExpression allocationStatement = new AllocationExpression();
        allocationStatement.type = copyType(out.returnType);
        allocationStatement.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
        statements.add(new ReturnStatement(allocationStatement, 0, 0));
    } else {
        MessageSend invoke = new MessageSend();
        invoke.selector = staticName;
        if (isStatic)
            invoke.receiver = new SingleNameReference(type.up().getName().toCharArray(), 0);
        else
            invoke.receiver = new QualifiedThisReference(new SingleTypeReference(type.up().getName().toCharArray(), 0), 0, 0);
        TypeParameter[] tps = ((TypeDeclaration) type.get()).typeParameters;
        if (tps != null) {
            TypeReference[] trs = new TypeReference[tps.length];
            for (int i = 0; i < trs.length; i++) {
                trs[i] = new SingleTypeReference(tps[i].name, 0);
            }
            invoke.typeArguments = trs;
        }
        invoke.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
        if (returnType instanceof SingleTypeReference && Arrays.equals(TypeConstants.VOID, ((SingleTypeReference) returnType).token)) {
            statements.add(invoke);
        } else {
            statements.add(new ReturnStatement(invoke, 0, 0));
        }
    }
    out.statements = statements.isEmpty() ? null : statements.toArray(new Statement[statements.size()]);
    out.traverse(new SetGeneratedByVisitor(source), (ClassScope) null);
    return out;
}

Example 17 with ThisReference

use of org.eclipse.jdt.internal.compiler.ast.ThisReference in project lombok by rzwitserloot.

the class HandleBuilder method generateToBuilderMethod.

private MethodDeclaration generateToBuilderMethod(String methodName, String builderClassName, EclipseNode type, TypeParameter[] typeParams, List<BuilderFieldData> builderFields, boolean fluent, ASTNode source) {
    // return new ThingieBuilder<A, B>().setA(this.a).setB(this.b);
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    out.selector = methodName.toCharArray();
    out.modifiers = ClassFileConstants.AccPublic;
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    out.returnType = namePlusTypeParamsToTypeReference(builderClassName.toCharArray(), typeParams, p);
    AllocationExpression invoke = new AllocationExpression();
    invoke.type = namePlusTypeParamsToTypeReference(builderClassName.toCharArray(), typeParams, p);
    Expression receiver = invoke;
    for (BuilderFieldData bfd : builderFields) {
        char[] setterName = fluent ? bfd.name : HandlerUtil.buildAccessorName("set", new String(bfd.name)).toCharArray();
        MessageSend ms = new MessageSend();
        if (bfd.obtainVia == null || !bfd.obtainVia.field().isEmpty()) {
            char[] fieldName = bfd.obtainVia == null ? bfd.rawName : bfd.obtainVia.field().toCharArray();
            FieldReference fr = new FieldReference(fieldName, 0);
            fr.receiver = new ThisReference(0, 0);
            ms.arguments = new Expression[] { fr };
        } else {
            String obtainName = bfd.obtainVia.method();
            boolean obtainIsStatic = bfd.obtainVia.isStatic();
            MessageSend obtainExpr = new MessageSend();
            obtainExpr.receiver = obtainIsStatic ? new SingleNameReference(type.getName().toCharArray(), 0) : new ThisReference(0, 0);
            obtainExpr.selector = obtainName.toCharArray();
            if (obtainIsStatic)
                obtainExpr.arguments = new Expression[] { new ThisReference(0, 0) };
            ms.arguments = new Expression[] { obtainExpr };
        }
        ms.receiver = receiver;
        ms.selector = setterName;
        receiver = ms;
    }
    out.statements = new Statement[] { new ReturnStatement(receiver, pS, pE) };
    out.traverse(new SetGeneratedByVisitor(source), ((TypeDeclaration) type.get()).scope);
    return out;
}

Example 18 with ThisReference

use of org.eclipse.jdt.internal.compiler.ast.ThisReference in project lombok by rzwitserloot.

the class EclipseHandlerUtil method createFieldAccessor.

static Expression createFieldAccessor(EclipseNode field, FieldAccess fieldAccess, ASTNode source) {
    int pS = source == null ? 0 : source.sourceStart, pE = source == null ? 0 : source.sourceEnd;
    long p = (long) pS << 32 | pE;
    boolean lookForGetter = lookForGetter(field, fieldAccess);
    GetterMethod getter = lookForGetter ? findGetter(field) : null;
    if (getter == null) {
        FieldDeclaration fieldDecl = (FieldDeclaration) field.get();
        FieldReference ref = new FieldReference(fieldDecl.name, p);
        if ((fieldDecl.modifiers & ClassFileConstants.AccStatic) != 0) {
            EclipseNode containerNode = field.up();
            if (containerNode != null && containerNode.get() instanceof TypeDeclaration) {
                ref.receiver = new SingleNameReference(((TypeDeclaration) containerNode.get()).name, p);
            } else {
                Expression smallRef = new FieldReference(field.getName().toCharArray(), p);
                if (source != null)
                    setGeneratedBy(smallRef, source);
                return smallRef;
            }
        } else {
            ref.receiver = new ThisReference(pS, pE);
        }
        if (source != null) {
            setGeneratedBy(ref, source);
            setGeneratedBy(ref.receiver, source);
        }
        return ref;
    }
    MessageSend call = new MessageSend();
    setGeneratedBy(call, source);
    call.sourceStart = pS;
    call.statementEnd = call.sourceEnd = pE;
    call.receiver = new ThisReference(pS, pE);
    setGeneratedBy(call.receiver, source);
    call.selector = getter.name;
    return call;
}

Example 19 with ThisReference

use of org.eclipse.jdt.internal.compiler.ast.ThisReference in project lombok by rzwitserloot.

the class HandleConstructor method createConstructor.

public static ConstructorDeclaration createConstructor(AccessLevel level, EclipseNode type, Collection<EclipseNode> fields, boolean allToDefault, EclipseNode sourceNode, List<Annotation> onConstructor) {
    ASTNode source = sourceNode.get();
    TypeDeclaration typeDeclaration = ((TypeDeclaration) type.get());
    long p = (long) source.sourceStart << 32 | source.sourceEnd;
    boolean isEnum = (((TypeDeclaration) type.get()).modifiers & ClassFileConstants.AccEnum) != 0;
    if (isEnum)
        level = AccessLevel.PRIVATE;
    boolean suppressConstructorProperties;
    if (fields.isEmpty()) {
        suppressConstructorProperties = false;
    } else {
        suppressConstructorProperties = Boolean.TRUE.equals(type.getAst().readConfiguration(ConfigurationKeys.ANY_CONSTRUCTOR_SUPPRESS_CONSTRUCTOR_PROPERTIES));
    }
    ConstructorDeclaration constructor = new ConstructorDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    constructor.modifiers = toEclipseModifier(level);
    constructor.selector = typeDeclaration.name;
    constructor.constructorCall = new ExplicitConstructorCall(ExplicitConstructorCall.ImplicitSuper);
    constructor.constructorCall.sourceStart = source.sourceStart;
    constructor.constructorCall.sourceEnd = source.sourceEnd;
    constructor.thrownExceptions = null;
    constructor.typeParameters = null;
    constructor.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    constructor.bodyStart = constructor.declarationSourceStart = constructor.sourceStart = source.sourceStart;
    constructor.bodyEnd = constructor.declarationSourceEnd = constructor.sourceEnd = source.sourceEnd;
    constructor.arguments = null;
    List<Argument> params = new ArrayList<Argument>();
    List<Statement> assigns = new ArrayList<Statement>();
    List<Statement> nullChecks = new ArrayList<Statement>();
    for (EclipseNode fieldNode : fields) {
        FieldDeclaration field = (FieldDeclaration) fieldNode.get();
        char[] rawName = field.name;
        char[] fieldName = removePrefixFromField(fieldNode);
        FieldReference thisX = new FieldReference(rawName, p);
        int s = (int) (p >> 32);
        int e = (int) p;
        thisX.receiver = new ThisReference(s, e);
        Expression assignmentExpr = allToDefault ? getDefaultExpr(field.type, s, e) : new SingleNameReference(fieldName, p);
        Assignment assignment = new Assignment(thisX, assignmentExpr, (int) p);
        assignment.sourceStart = (int) (p >> 32);
        assignment.sourceEnd = assignment.statementEnd = (int) (p >> 32);
        assigns.add(assignment);
        if (!allToDefault) {
            long fieldPos = (((long) field.sourceStart) << 32) | field.sourceEnd;
            Argument parameter = new Argument(fieldName, fieldPos, copyType(field.type, source), Modifier.FINAL);
            Annotation[] nonNulls = findAnnotations(field, NON_NULL_PATTERN);
            Annotation[] nullables = findAnnotations(field, NULLABLE_PATTERN);
            if (nonNulls.length != 0) {
                Statement nullCheck = generateNullCheck(field, sourceNode);
                if (nullCheck != null)
                    nullChecks.add(nullCheck);
            }
            parameter.annotations = copyAnnotations(source, nonNulls, nullables);
            params.add(parameter);
        }
    }
    nullChecks.addAll(assigns);
    constructor.statements = nullChecks.isEmpty() ? null : nullChecks.toArray(new Statement[nullChecks.size()]);
    constructor.arguments = params.isEmpty() ? null : params.toArray(new Argument[params.size()]);
    /* Generate annotations that must  be put on the generated method, and attach them. */
    {
        Annotation[] constructorProperties = null;
        if (!allToDefault && !suppressConstructorProperties && level != AccessLevel.PRIVATE && level != AccessLevel.PACKAGE && !isLocalType(type)) {
            constructorProperties = createConstructorProperties(source, fields);
        }
        constructor.annotations = copyAnnotations(source, onConstructor.toArray(new Annotation[0]), constructorProperties);
    }
    constructor.traverse(new SetGeneratedByVisitor(source), typeDeclaration.scope);
    return constructor;
}

Example 20 with ThisReference

use of org.eclipse.jdt.internal.compiler.ast.ThisReference in project lombok by rzwitserloot.

the class HandleHelper method handle.

@Override
public void handle(AnnotationValues<Helper> annotation, Annotation ast, EclipseNode annotationNode) {
    handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.HELPER_FLAG_USAGE, "@Helper");
    EclipseNode annotatedType = annotationNode.up();
    EclipseNode containingBlock = annotatedType == null ? null : annotatedType.directUp();
    Statement[] origStatements = getStatementsFromAstNode(containingBlock == null ? null : containingBlock.get());
    if (annotatedType == null || annotatedType.getKind() != Kind.TYPE || origStatements == null) {
        annotationNode.addError("@Helper is legal only on method-local classes.");
        return;
    }
    TypeDeclaration annotatedType_ = (TypeDeclaration) annotatedType.get();
    int indexOfType = -1;
    for (int i = 0; i < origStatements.length; i++) {
        if (origStatements[i] == annotatedType_) {
            indexOfType = i;
            break;
        }
    }
    final List<String> knownMethodNames = new ArrayList<String>();
    for (AbstractMethodDeclaration methodOfHelper : annotatedType_.methods) {
        if (!(methodOfHelper instanceof MethodDeclaration))
            continue;
        char[] name = methodOfHelper.selector;
        if (name != null && name.length > 0 && name[0] != '<')
            knownMethodNames.add(new String(name));
    }
    Collections.sort(knownMethodNames);
    final String[] knownMethodNames_ = knownMethodNames.toArray(new String[knownMethodNames.size()]);
    final char[] helperName = new char[annotatedType_.name.length + 1];
    final boolean[] helperUsed = new boolean[1];
    helperName[0] = '$';
    System.arraycopy(annotatedType_.name, 0, helperName, 1, helperName.length - 1);
    ASTVisitor visitor = new ASTVisitor() {

        @Override
        public boolean visit(MessageSend messageSend, BlockScope scope) {
            if (messageSend.receiver instanceof ThisReference) {
                if ((((ThisReference) messageSend.receiver).bits & ASTNode.IsImplicitThis) == 0)
                    return true;
            } else if (messageSend.receiver != null)
                return true;
            char[] name = messageSend.selector;
            if (name == null || name.length == 0 || name[0] == '<')
                return true;
            String n = new String(name);
            if (Arrays.binarySearch(knownMethodNames_, n) < 0)
                return true;
            messageSend.receiver = new SingleNameReference(helperName, messageSend.nameSourcePosition);
            helperUsed[0] = true;
            return true;
        }
    };
    for (int i = indexOfType + 1; i < origStatements.length; i++) {
        origStatements[i].traverse(visitor, null);
    }
    if (!helperUsed[0]) {
        annotationNode.addWarning("No methods of this helper class are ever used.");
        return;
    }
    Statement[] newStatements = new Statement[origStatements.length + 1];
    System.arraycopy(origStatements, 0, newStatements, 0, indexOfType + 1);
    System.arraycopy(origStatements, indexOfType + 1, newStatements, indexOfType + 2, origStatements.length - indexOfType - 1);
    LocalDeclaration decl = new LocalDeclaration(helperName, 0, 0);
    decl.modifiers |= ClassFileConstants.AccFinal;
    AllocationExpression alloc = new AllocationExpression();
    alloc.type = new SingleTypeReference(annotatedType_.name, 0L);
    decl.initialization = alloc;
    decl.type = new SingleTypeReference(annotatedType_.name, 0L);
    SetGeneratedByVisitor sgbvVisitor = new SetGeneratedByVisitor(annotationNode.get());
    decl.traverse(sgbvVisitor, null);
    newStatements[indexOfType + 1] = decl;
    setStatementsOfAstNode(containingBlock.get(), newStatements);
}