/** super(args) -> SuperType.call(this, args) */
private JS callToSuperConstructor(
WriterVisitor<JS> visitor, MethodInvocationTree tree, GenerationContext<JS> context) {
Element methodElement = TreeUtils.elementFromUse(tree);
TypeElement typeElement = (TypeElement) methodElement.getEnclosingElement();
String methodName = MethodInvocationWriter.buildMethodName(tree);
// avoid useless call to super() when the super class is Object
if (GeneratorConstants.SUPER.equals(methodName)
&& JavaNodes.sameRawType(typeElement.asType(), Object.class)) {
return null;
}
// avoid call to super for synthetic types
if (GeneratorConstants.SUPER.equals(methodName)
&& context.getCurrentWrapper().getEnclosingType().isSyntheticType()) {
return null;
}
// transform it into superType.[prototype.method].call(this, args..);
String typeName = context.getNames().getTypeName(context, typeElement, DependencyType.STATIC);
JS superType =
context
.js()
.name(
GeneratorConstants.SUPER.equals(methodName)
? typeName
: typeName + ".prototype." + methodName);
List<JS> arguments = MethodInvocationWriter.buildArguments(visitor, tree, context);
arguments.add(0, context.js().keyword(Keyword.THIS));
return context.js().functionCall(context.js().property(superType, "call"), arguments);
}
@Override
public JS visit(
WriterVisitor<JS> visitor, MethodInvocationTree tree, GenerationContext<JS> context) {
if (isCallToSuperConstructor(tree)) {
return callToSuperConstructor(visitor, tree, context);
}
JS target =
MethodInvocationWriter.buildTarget(
visitor, context.<MethodInvocationTree>getCurrentWrapper());
String name = MethodInvocationWriter.buildMethodName(tree);
List<JS> arguments = MethodInvocationWriter.buildArguments(visitor, tree, context);
return context.js().functionCall(context.js().property(target, name), arguments);
}
@SuppressWarnings("unchecked")
@Override
public JS visit(WriterVisitor<JS> visitor, InstanceOfTree tree, GenerationContext<JS> context) {
// build stjs.isInstanceOf(expr.constructor, type);
// TODO do I need a check or parenthesis around !?
TypeMirror type =
context.getTrees().getTypeMirror(new TreePath(context.getCurrentPath(), tree.getType()));
JS getConstructor =
context
.js()
.property(visitor.scan(tree.getExpression(), context), JavascriptKeywords.CONSTRUCTOR);
JS targetInst = context.js().property(context.js().name("stjs"), "isInstanceOf");
JS typeName = context.js().name(context.getNames().getTypeName(context, type));
return context.js().functionCall(targetInst, Arrays.asList(getConstructor, typeName));
}
