@Nullable
private static PsiType getTypeFromMapAccess(@NotNull GrReferenceExpressionImpl ref) {
// map access
GrExpression qualifier = ref.getQualifierExpression();
if (qualifier != null) {
PsiType qType = qualifier.getNominalType();
if (qType instanceof PsiClassType) {
PsiClassType.ClassResolveResult qResult = ((PsiClassType) qType).resolveGenerics();
PsiClass clazz = qResult.getElement();
if (clazz != null) {
PsiClass mapClass =
JavaPsiFacade.getInstance(ref.getProject())
.findClass(CommonClassNames.JAVA_UTIL_MAP, ref.getResolveScope());
if (mapClass != null && mapClass.getTypeParameters().length == 2) {
PsiSubstitutor substitutor =
TypeConversionUtil.getClassSubstitutor(mapClass, clazz, qResult.getSubstitutor());
if (substitutor != null) {
return TypeConversionUtil.erasure(
substitutor.substitute(mapClass.getTypeParameters()[1]));
}
}
}
}
}
return null;
}
private void getVariantsImpl() {
GrExpression qualifier = myRefExpr.getQualifierExpression();
if (qualifier == null) {
ResolveUtil.treeWalkUp(myRefExpr, myProcessor, true);
for (PsiElement e = myRefExpr.getParent(); e != null; e = e.getParent()) {
if (e instanceof GrClosableBlock) {
ResolveState state = ResolveState.initial().put(ClassHint.RESOLVE_CONTEXT, e);
for (ClosureMissingMethodContributor contributor :
ClosureMissingMethodContributor.EP_NAME.getExtensions()) {
contributor.processMembers((GrClosableBlock) e, myProcessor, myRefExpr, state);
}
}
}
GrExpression runtimeQualifier = PsiImplUtil.getRuntimeQualifier(myRefExpr);
if (runtimeQualifier != null) {
getVariantsFromQualifier(runtimeQualifier);
}
getBindings();
} else {
if (myRefExpr.getDotTokenType() != GroovyTokenTypes.mSPREAD_DOT) {
getVariantsFromQualifier(qualifier);
if (qualifier instanceof GrReferenceExpression
&& ("class".equals(((GrReferenceExpression) qualifier).getReferenceName())
|| PsiUtil.isThisReference(qualifier) && !PsiUtil.isInstanceThisRef(qualifier))) {
processIfJavaLangClass(qualifier.getType());
}
} else {
getVariantsFromQualifierForSpreadOperator(qualifier);
}
}
ResolveUtil.processCategoryMembers(myRefExpr, myProcessor, ResolveState.initial());
}