@Override
public void updateParameterInfo(
@NotNull JetValueArgumentList argumentList, @NotNull UpdateParameterInfoContext context) {
if (context.getParameterOwner() != argumentList) context.removeHint();
int offset = context.getOffset();
ASTNode child = argumentList.getNode().getFirstChildNode();
int i = 0;
while (child != null && child.getStartOffset() < offset) {
if (child.getElementType() == JetTokens.COMMA) ++i;
child = child.getTreeNext();
}
context.setCurrentParameter(i);
}
private static JetValueArgumentList findCallAndUpdateContext(UpdateParameterInfoContext context) {
PsiFile file = context.getFile();
PsiElement element = file.findElementAt(context.getOffset());
if (element == null) return null;
PsiElement parent = element.getParent();
while (parent != null && !(parent instanceof JetValueArgumentList)) {
element = element.getParent();
parent = parent.getParent();
}
if (parent == null) return null;
JetValueArgumentList argumentList = (JetValueArgumentList) parent;
if (element instanceof JetValueArgument) {
JetValueArgument arg = (JetValueArgument) element;
int i = argumentList.getArguments().indexOf(arg);
context.setCurrentParameter(i);
context.setHighlightedParameter(arg);
}
return argumentList;
}