Examples with PropertyNode org.codehaus.groovy.ast.PropertyNode used on opensource projects

Example 56 with PropertyNode

use of org.codehaus.groovy.ast.PropertyNode in project groovy by apache.

the class TraitReceiverTransformer method transform.

@Override
public Expression transform(final Expression exp) {
    ClassNode weavedType = weaved.getOriginType();
    if (exp instanceof BinaryExpression) {
        return transformBinaryExpression((BinaryExpression) exp, weavedType);
    } else if (exp instanceof StaticMethodCallExpression) {
        StaticMethodCallExpression call = (StaticMethodCallExpression) exp;
        ClassNode ownerType = call.getOwnerType();
        if (traitClass.equals(ownerType)) {
            MethodCallExpression result = new MethodCallExpression(new VariableExpression(weaved), call.getMethod(), transform(call.getArguments()));
            result.setSafe(false);
            result.setImplicitThis(false);
            result.setSpreadSafe(false);
            result.setSourcePosition(call);
            return result;
        }
    } else if (exp instanceof MethodCallExpression) {
        MethodCallExpression call = (MethodCallExpression) exp;
        Expression obj = call.getObjectExpression();
        if (call.isImplicitThis() || "this".equals(obj.getText())) {
            return transformMethodCallOnThis(call);
        } else if ("super".equals(obj.getText())) {
            return transformSuperMethodCall(call);
        }
    } else if (exp instanceof FieldExpression) {
        return transformFieldExpression((FieldExpression) exp);
    } else if (exp instanceof VariableExpression) {
        VariableExpression vexp = (VariableExpression) exp;
        Variable accessedVariable = vexp.getAccessedVariable();
        if (accessedVariable instanceof FieldNode) {
            FieldNode fn = (FieldNode) accessedVariable;
            Expression receiver = createFieldHelperReceiver();
            MethodCallExpression mce;
            boolean isStatic = fn.isStatic();
            if (isStatic) {
                receiver = createStaticReceiver(receiver);
            }
            mce = new MethodCallExpression(receiver, Traits.helperGetterName(fn), ArgumentListExpression.EMPTY_ARGUMENTS);
            mce.setSourcePosition(exp);
            mce.setImplicitThis(false);
            markDynamicCall(mce, fn, isStatic);
            return mce;
        } else if (accessedVariable instanceof PropertyNode) {
            String propName = accessedVariable.getName();
            if (knownFields.contains(propName)) {
                return createFieldHelperCall(exp, weavedType, propName);
            } else {
                return new PropertyExpression(new VariableExpression(weaved), accessedVariable.getName());
            }
        } else if (accessedVariable instanceof DynamicVariable) {
            return new PropertyExpression(new VariableExpression(weaved), accessedVariable.getName());
        }
        if (vexp.isThisExpression()) {
            VariableExpression res = new VariableExpression(weaved);
            res.setSourcePosition(exp);
            return res;
        }
        if (vexp.isSuperExpression()) {
            throwSuperError(vexp);
        }
    } else if (exp instanceof PropertyExpression) {
        PropertyExpression pexp = (PropertyExpression) exp;
        Expression object = pexp.getObjectExpression();
        if (pexp.isImplicitThis() || "this".equals(object.getText())) {
            String propName = pexp.getPropertyAsString();
            if (knownFields.contains(propName)) {
                return createFieldHelperCall(exp, weavedType, propName);
            }
        }
    } else if (exp instanceof ClosureExpression) {
        MethodCallExpression mce = new MethodCallExpression(exp, "rehydrate", new ArgumentListExpression(new VariableExpression(weaved), new VariableExpression(weaved), new VariableExpression(weaved)));
        mce.setImplicitThis(false);
        mce.setSourcePosition(exp);
        boolean oldInClosure = inClosure;
        inClosure = true;
        ((ClosureExpression) exp).getCode().visit(this);
        inClosure = oldInClosure;
        // The rewrite we do is causing some troubles with type checking, which will
        // not be able to perform closure parameter type inference
        // so we store the replacement, which will be done *after* type checking.
        exp.putNodeMetaData(TraitASTTransformation.POST_TYPECHECKING_REPLACEMENT, mce);
        return exp;
    }
    // todo: unary expressions (field++, field+=, ...)
    return super.transform(exp);
}

Example 57 with PropertyNode

use of org.codehaus.groovy.ast.PropertyNode in project groovy by apache.

the class DelegateASTTransformation method visit.

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    DelegateDescription delegate = null;
    if (parent instanceof FieldNode) {
        FieldNode fieldNode = (FieldNode) parent;
        delegate = new DelegateDescription();
        delegate.delegate = fieldNode;
        delegate.annotation = node;
        delegate.name = fieldNode.getName();
        delegate.type = fieldNode.getType();
        delegate.owner = fieldNode.getOwner();
        delegate.getOp = varX(fieldNode);
        delegate.origin = "field";
    } else if (parent instanceof MethodNode) {
        MethodNode methodNode = (MethodNode) parent;
        delegate = new DelegateDescription();
        delegate.delegate = methodNode;
        delegate.annotation = node;
        delegate.name = methodNode.getName();
        delegate.type = methodNode.getReturnType();
        delegate.owner = methodNode.getDeclaringClass();
        delegate.getOp = callThisX(delegate.name);
        delegate.origin = "method";
        if (methodNode.getParameters().length > 0) {
            addError("You can only delegate to methods that take no parameters, but " + delegate.name + " takes " + methodNode.getParameters().length + " parameters.", parent);
            return;
        }
    }
    if (delegate != null) {
        if (delegate.type.equals(ClassHelper.OBJECT_TYPE) || delegate.type.equals(GROOVYOBJECT_TYPE)) {
            addError(MY_TYPE_NAME + " " + delegate.origin + " '" + delegate.name + "' has an inappropriate type: " + delegate.type.getName() + ". Please add an explicit type but not java.lang.Object or groovy.lang.GroovyObject.", parent);
            return;
        }
        if (delegate.type.equals(delegate.owner)) {
            addError(MY_TYPE_NAME + " " + delegate.origin + " '" + delegate.name + "' has an inappropriate type: " + delegate.type.getName() + ". Delegation to own type not supported. Please use a different type.", parent);
            return;
        }
        final List<MethodNode> delegateMethods = getAllMethods(delegate.type);
        for (ClassNode next : delegate.type.getAllInterfaces()) {
            delegateMethods.addAll(getAllMethods(next));
        }
        final boolean skipInterfaces = memberHasValue(node, MEMBER_INTERFACES, false);
        final boolean includeDeprecated = memberHasValue(node, MEMBER_DEPRECATED, true) || (delegate.type.isInterface() && !skipInterfaces);
        final boolean allNames = memberHasValue(node, MEMBER_ALL_NAMES, true);
        delegate.excludes = getMemberStringList(node, MEMBER_EXCLUDES);
        delegate.includes = getMemberStringList(node, MEMBER_INCLUDES);
        delegate.excludeTypes = getMemberClassList(node, MEMBER_EXCLUDE_TYPES);
        delegate.includeTypes = getMemberClassList(node, MEMBER_INCLUDE_TYPES);
        checkIncludeExcludeUndefinedAware(node, delegate.excludes, delegate.includes, delegate.excludeTypes, delegate.includeTypes, MY_TYPE_NAME);
        final List<MethodNode> ownerMethods = getAllMethods(delegate.owner);
        for (MethodNode mn : delegateMethods) {
            addDelegateMethod(delegate, ownerMethods, mn, includeDeprecated, allNames);
        }
        for (PropertyNode prop : getAllProperties(delegate.type)) {
            if (prop.isStatic() || !prop.isPublic())
                continue;
            String name = prop.getName();
            addGetterIfNeeded(delegate, prop, name, allNames);
            addSetterIfNeeded(delegate, prop, name, allNames);
        }
        if (skipInterfaces)
            return;
        final Set<ClassNode> allInterfaces = getInterfacesAndSuperInterfaces(delegate.type);
        final Set<ClassNode> ownerIfaces = delegate.owner.getAllInterfaces();
        Map<String, ClassNode> genericsSpec = createGenericsSpec(delegate.owner);
        genericsSpec = createGenericsSpec(delegate.type, genericsSpec);
        for (ClassNode iface : allInterfaces) {
            if (Modifier.isPublic(iface.getModifiers()) && !ownerIfaces.contains(iface)) {
                final ClassNode[] ifaces = delegate.owner.getInterfaces();
                final ClassNode[] newIfaces = new ClassNode[ifaces.length + 1];
                for (int i = 0; i < ifaces.length; i++) {
                    newIfaces[i] = correctToGenericsSpecRecurse(genericsSpec, ifaces[i]);
                }
                newIfaces[ifaces.length] = correctToGenericsSpecRecurse(genericsSpec, iface);
                delegate.owner.setInterfaces(newIfaces);
            }
        }
    }
}

Example 58 with PropertyNode

use of org.codehaus.groovy.ast.PropertyNode in project groovy by apache.

the class EqualsAndHashCodeASTTransformation method calculateHashStatements.

private static Statement calculateHashStatements(ClassNode cNode, Expression hash, boolean includeFields, boolean callSuper, List<String> excludes, List<String> includes, boolean allNames) {
    final List<PropertyNode> pList = getInstanceProperties(cNode);
    final List<FieldNode> fList = new ArrayList<FieldNode>();
    if (includeFields) {
        fList.addAll(getInstanceNonPropertyFields(cNode));
    }
    final BlockStatement body = new BlockStatement();
    // def _result = HashCodeHelper.initHash()
    final Expression result = varX("_result");
    body.addStatement(declS(result, callX(HASHUTIL_TYPE, "initHash")));
    for (PropertyNode pNode : pList) {
        if (shouldSkip(pNode.getName(), excludes, includes, allNames))
            continue;
        // _result = HashCodeHelper.updateHash(_result, getProperty()) // plus self-reference checking
        Expression getter = getterThisX(cNode, pNode);
        final Expression current = callX(HASHUTIL_TYPE, "updateHash", args(result, getter));
        body.addStatement(ifS(notX(sameX(getter, varX("this"))), assignS(result, current)));
    }
    for (FieldNode fNode : fList) {
        if (shouldSkip(fNode.getName(), excludes, includes, allNames))
            continue;
        // _result = HashCodeHelper.updateHash(_result, field) // plus self-reference checking
        final Expression fieldExpr = varX(fNode);
        final Expression current = callX(HASHUTIL_TYPE, "updateHash", args(result, fieldExpr));
        body.addStatement(ifS(notX(sameX(fieldExpr, varX("this"))), assignS(result, current)));
    }
    if (callSuper) {
        // _result = HashCodeHelper.updateHash(_result, super.hashCode())
        final Expression current = callX(HASHUTIL_TYPE, "updateHash", args(result, callSuperX("hashCode")));
        body.addStatement(assignS(result, current));
    }
    // $hash$code = _result
    if (hash != null) {
        body.addStatement(assignS(hash, result));
    } else {
        body.addStatement(returnS(result));
    }
    return body;
}

Example 59 with PropertyNode

use of org.codehaus.groovy.ast.PropertyNode in project groovy by apache.

the class LazyASTTransformation method visitField.

static void visitField(ErrorCollecting xform, AnnotationNode node, FieldNode fieldNode) {
    final Expression soft = node.getMember("soft");
    final Expression init = getInitExpr(xform, fieldNode);
    String backingFieldName = "$" + fieldNode.getName();
    fieldNode.rename(backingFieldName);
    fieldNode.setModifiers(ACC_PRIVATE | (fieldNode.getModifiers() & (~(ACC_PUBLIC | ACC_PROTECTED))));
    PropertyNode pNode = fieldNode.getDeclaringClass().getProperty(backingFieldName);
    if (pNode != null) {
        fieldNode.getDeclaringClass().getProperties().remove(pNode);
    }
    if (soft instanceof ConstantExpression && ((ConstantExpression) soft).getValue().equals(true)) {
        createSoft(fieldNode, init);
    } else {
        create(fieldNode, init);
        // @Lazy not meaningful with primitive so convert to wrapper if needed
        if (ClassHelper.isPrimitiveType(fieldNode.getType())) {
            fieldNode.setType(ClassHelper.getWrapper(fieldNode.getType()));
        }
    }
}

Example 60 with PropertyNode

use of org.codehaus.groovy.ast.PropertyNode in project groovy by apache.

the class PackageScopeASTTransformation method visitClassNode.

private void visitClassNode(ClassNode cNode, List<PackageScopeTarget> value) {
    String cName = cNode.getName();
    if (cNode.isInterface() && value.size() != 1 && value.get(0) != PackageScopeTarget.CLASS) {
        addError("Error processing interface '" + cName + "'. " + MY_TYPE_NAME + " not allowed for interfaces except when targeting Class level.", cNode);
    }
    if (value.contains(groovy.transform.PackageScopeTarget.CLASS)) {
        if (cNode.isSyntheticPublic())
            revertVisibility(cNode);
        else
            addError("Can't use " + MY_TYPE_NAME + " for class '" + cNode.getName() + "' which has explicit visibility.", cNode);
    }
    if (value.contains(groovy.transform.PackageScopeTarget.METHODS)) {
        final List<MethodNode> mList = cNode.getMethods();
        for (MethodNode mNode : mList) {
            if (mNode.isSyntheticPublic())
                revertVisibility(mNode);
        }
    }
    if (value.contains(groovy.transform.PackageScopeTarget.CONSTRUCTORS)) {
        final List<ConstructorNode> cList = cNode.getDeclaredConstructors();
        for (MethodNode mNode : cList) {
            if (mNode.isSyntheticPublic())
                revertVisibility(mNode);
        }
    }
    if (value.contains(PackageScopeTarget.FIELDS)) {
        final List<PropertyNode> pList = cNode.getProperties();
        List<PropertyNode> foundProps = new ArrayList<PropertyNode>();
        List<String> foundNames = new ArrayList<String>();
        for (PropertyNode pNode : pList) {
            foundProps.add(pNode);
            foundNames.add(pNode.getName());
        }
        for (PropertyNode pNode : foundProps) {
            pList.remove(pNode);
        }
        final List<FieldNode> fList = cNode.getFields();
        for (FieldNode fNode : fList) {
            if (foundNames.contains(fNode.getName())) {
                revertVisibility(fNode);
            }
        }
    }
}