Examples with VariableElement javax.lang.model.element.VariableElement used on opensource projects

Example 96 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class TreeConverter method createAnonymousConstructor.

private static MethodDeclaration createAnonymousConstructor(JdtExecutableElement constructorElem, IMethodBinding constructorBinding) {
    MethodDeclaration constructor = new MethodDeclaration(constructorElem);
    Block body = new Block();
    constructor.setBody(body);
    IMethodBinding superConstructorBinding = findSuperConstructor(constructorBinding);
    ExecutablePair superConstructor = new ExecutablePair(BindingConverter.getExecutableElement(superConstructorBinding), BindingConverter.getType(superConstructorBinding));
    SuperConstructorInvocation superCall = new SuperConstructorInvocation(superConstructor);
    body.addStatement(superCall);
    Iterator<? extends VariableElement> params = constructorElem.getParameters().iterator();
    if (constructorElem.hasSuperOuter()) {
        VariableElement param = params.next();
        constructor.addParameter(new SingleVariableDeclaration(param));
        superCall.setExpression(new SimpleName(param));
    }
    while (params.hasNext()) {
        VariableElement param = params.next();
        constructor.addParameter(new SingleVariableDeclaration(param));
        superCall.addArgument(new SimpleName(param));
    }
    assert constructor.getParameters().size() == constructorElem.getParameters().size();
    return constructor;
}

Example 97 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class ComplexExpressionExtractor method handleNode.

private void handleNode(Expression node, Collection<Expression> children) {
    if (node.getParent() instanceof Statement) {
        return;
    }
    int depth = 0;
    for (Expression child : children) {
        Integer childDepth = depths.get(child);
        depth = Math.max(depth, childDepth != null ? childDepth : 1);
    }
    if (depth >= maxDepth) {
        VariableElement newVar = GeneratedVariableElement.newLocalVar("complex$" + count++, node.getTypeMirror(), currentMethod);
        Statement newStmt = new VariableDeclarationStatement(newVar, node.copy());
        assert currentStatement != null;
        TreeUtil.insertBefore(currentStatement, newStmt);
        node.replaceWith(new SimpleName(newVar));
    } else {
        depths.put(node, depth + 1);
    }
}

Example 98 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class JavadocConverter method visitParam.

@Override
public Void visitParam(ParamTree node, TagElement tag) {
    DCTree.DCIdentifier identifier = (DCTree.DCIdentifier) node.getName();
    if (identifier == null || node.isTypeParameter()) {
        return null;
    }
    List<? extends VariableElement> params = element instanceof ExecutableElement ? ((ExecutableElement) element).getParameters() : Collections.emptyList();
    tag.setTagName(TagElement.TAG_PARAM);
    String name = identifier.toString();
    VariableElement param = null;
    for (VariableElement p : params) {
        if (name.equals(p.getSimpleName().toString())) {
            param = p;
            break;
        }
    }
    // param will be null if the @param tag refers to a nonexistent parameter.
    TreeNode nameNode = param != null ? new SimpleName(param) : new SimpleName(name);
    setPos(identifier, nameNode);
    tag.addFragment(nameNode);
    scan(node.getDescription(), tag);
    int lastEnd = nameNode.getStartPosition();
    for (TreeNode fragment : tag.getFragments()) {
        // TODO(tball): remove and fix JavadocGenerator after javac switch.
        if (fragment.getKind() == TreeNode.Kind.TEXT_ELEMENT) {
            TextElement text = (TextElement) fragment;
            text.setText(" " + text.getText());
            text.setSourceRange(text.getStartPosition(), text.getLength() + 1);
        }
        int thisEnd = lastEnd + fragment.getLength();
        setPos(fragment, lastEnd, thisEnd);
        lastEnd = thisEnd;
    }
    setPos(tag, pos(node), endPos(node));
    tag.setLineNumber(nameNode.getLineNumber());
    return null;
}

Example 99 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class TypeDeclarationGenerator method printProperties.

protected void printProperties() {
    Iterable<VariableDeclarationFragment> fields = getAllFields();
    for (VariableDeclarationFragment fragment : fields) {
        FieldDeclaration fieldDecl = (FieldDeclaration) fragment.getParent();
        VariableElement varElement = fragment.getVariableElement();
        PropertyAnnotation property = (PropertyAnnotation) TreeUtil.getAnnotation(Property.class, fieldDecl.getAnnotations());
        if (property != null) {
            print("@property ");
            TypeMirror varType = varElement.asType();
            String propertyName = nameTable.getVariableBaseName(varElement);
            // Add default getter/setter here, as each fragment needs its own attributes
            // to support its unique accessors.
            Set<String> attributes = property.getPropertyAttributes();
            TypeElement declaringClass = ElementUtil.getDeclaringClass(varElement);
            if (property.getGetter() == null) {
                ExecutableElement getter = findGetterMethod(propertyName, varType, declaringClass);
                if (getter != null) {
                    attributes.add("getter=" + NameTable.getMethodName(getter));
                    if (!ElementUtil.isSynchronized(getter)) {
                        attributes.add("nonatomic");
                    }
                }
            }
            if (property.getSetter() == null) {
                ExecutableElement setter = findSetterMethod(propertyName, declaringClass);
                if (setter != null) {
                    attributes.add("setter=" + NameTable.getMethodName(setter));
                    if (!ElementUtil.isSynchronized(setter)) {
                        attributes.add("nonatomic");
                    }
                }
            }
            if (ElementUtil.isStatic(varElement)) {
                attributes.add("class");
            } else if (attributes.contains("class")) {
                ErrorUtil.error(fragment, "Only static fields can be translated to class properties");
            }
            if (attributes.contains("class") && !options.staticAccessorMethods()) {
                // Class property accessors must be present, as they are not synthesized by runtime.
                ErrorUtil.error(fragment, "Class properties require either a --swift-friendly or" + " --static-accessor-methods flag");
            }
            if (options.nullability()) {
                if (ElementUtil.hasNullableAnnotation(varElement)) {
                    attributes.add("nullable");
                } else if (ElementUtil.isNonnull(varElement, parametersNonnullByDefault)) {
                    attributes.add("nonnull");
                } else if (!attributes.contains("null_unspecified")) {
                    attributes.add("null_resettable");
                }
            }
            if (!attributes.isEmpty()) {
                print('(');
                print(PropertyAnnotation.toAttributeString(attributes));
                print(") ");
            }
            String objcType = nameTable.getObjCType(varType);
            print(objcType);
            if (!objcType.endsWith("*")) {
                print(' ');
            }
            println(propertyName + ";");
        }
    }
}

Example 100 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class TypeDeclarationGenerator method printFieldSetters.

protected void printFieldSetters() {
    Iterable<VariableDeclarationFragment> fields = Iterables.filter(getInstanceFields(), NEEDS_SETTER);
    if (Iterables.isEmpty(fields)) {
        return;
    }
    newline();
    for (VariableDeclarationFragment fragment : fields) {
        VariableElement var = fragment.getVariableElement();
        String typeStr = nameTable.getObjCType(var.asType());
        if (typeStr.contains(",")) {
            typeStr = "J2OBJC_ARG(" + typeStr + ')';
        }
        String fieldName = nameTable.getVariableShortName(var);
        String isVolatile = ElementUtil.isVolatile(var) ? "_VOLATILE" : "";
        println(UnicodeUtils.format("J2OBJC%s_FIELD_SETTER(%s, %s, %s)", isVolatile, typeName, fieldName, typeStr));
    }
}