@Nullable
private static HighlightInfo checkRefInner(GrReferenceExpression ref) {
PsiElement refNameElement = ref.getReferenceNameElement();
if (refNameElement == null) return null;
boolean cannotBeDynamic = PsiUtil.isCompileStatic(ref) || isPropertyAccessInStaticMethod(ref);
GroovyResolveResult resolveResult = getBestResolveResult(ref);
if (resolveResult.getElement() != null) {
if (!isInspectionEnabled(ref.getContainingFile(), ref.getProject())) return null;
if (isStaticOk(resolveResult)) return null;
String message = GroovyBundle.message("cannot.reference.non.static", ref.getReferenceName());
return createAnnotationForRef(ref, cannotBeDynamic, message);
}
if (ResolveUtil.isKeyOfMap(ref) || isClassReference(ref)) {
return null;
}
if (!cannotBeDynamic) {
if (!isInspectionEnabled(ref.getContainingFile(), ref.getProject())) return null;
GrUnresolvedAccessInspection inspection =
getInstance(ref.getContainingFile(), ref.getProject());
if (!inspection.myHighlightIfGroovyObjectOverridden && areGroovyObjectMethodsOverridden(ref))
return null;
if (!inspection.myHighlightIfMissingMethodsDeclared && areMissingMethodsDeclared(ref))
return null;
if (GroovySuppressableInspectionTool.isElementToolSuppressedIn(ref, SHORT_NAME)) return null;
}
if (cannotBeDynamic || shouldHighlightAsUnresolved(ref)) {
HighlightInfo info =
createAnnotationForRef(
ref, cannotBeDynamic, GroovyBundle.message("cannot.resolve", ref.getReferenceName()));
LOG.assertTrue(info != null);
HighlightDisplayKey displayKey = HighlightDisplayKey.find(SHORT_NAME);
if (ref.getParent() instanceof GrMethodCall) {
registerStaticImportFix(ref, info, displayKey);
} else {
registerCreateClassByTypeFix(ref, info, displayKey);
registerAddImportFixes(ref, info, displayKey);
}
registerReferenceFixes(ref, info, cannotBeDynamic, displayKey);
UnresolvedReferenceQuickFixProvider.registerReferenceFixes(
ref, new QuickFixActionRegistrarAdapter(info, displayKey));
OrderEntryFix.registerFixes(new QuickFixActionRegistrarAdapter(info, displayKey), ref);
return info;
}
return null;
}
@Nullable
private static HighlightInfo createAnnotationForRef(
@NotNull GrReferenceExpression ref, boolean compileStatic, @NotNull String message) {
PsiElement refNameElement = ref.getReferenceNameElement();
assert refNameElement != null;
HighlightDisplayLevel displayLevel = getHighlightDisplayLevel(ref.getProject(), ref);
if (compileStatic || displayLevel == HighlightDisplayLevel.ERROR) {
return HighlightInfo.newHighlightInfo(HighlightInfoType.WRONG_REF)
.range(refNameElement)
.descriptionAndTooltip(message)
.create();
}
if (displayLevel == HighlightDisplayLevel.WARNING) {
boolean isTestMode = ApplicationManager.getApplication().isUnitTestMode();
HighlightInfoType infotype =
isTestMode ? HighlightInfoType.WARNING : HighlightInfoType.INFORMATION;
HighlightInfo.Builder builder =
HighlightInfo.newHighlightInfo(infotype).range(refNameElement);
builder.descriptionAndTooltip(message);
return builder.needsUpdateOnTyping(false).textAttributes(UNRESOLVED_ACCESS).create();
}
HighlightInfoType highlightInfoType = HighlightInfo.convertSeverity(displayLevel.getSeverity());
return HighlightInfo.newHighlightInfo(highlightInfoType)
.range(refNameElement)
.descriptionAndTooltip(message)
.create();
}
@Nullable
private static PsiType getTypeFromMapAccess(@NotNull GrReferenceExpression ref) {
// map access
GrExpression qualifier = ref.getQualifierExpression();
if (qualifier instanceof GrReferenceExpression) {
if (((GrReferenceExpression) qualifier).resolve() instanceof PsiClass) return null;
}
if (qualifier != null) {
PsiType qType = qualifier.getType();
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) {
PsiType substituted = substitutor.substitute(mapClass.getTypeParameters()[1]);
if (substituted != null) {
return PsiImplUtil.normalizeWildcardTypeByPosition(substituted, ref);
}
}
}
}
}
}
return null;
}
private static PsiType doFun(GrReferenceExpression refExpr) {
if (ResolveUtil.isClassReference(refExpr)) {
GrExpression qualifier = refExpr.getQualifier();
LOG.assertTrue(qualifier != null);
return TypesUtil.createJavaLangClassType(
qualifier.getType(), refExpr.getProject(), refExpr.getResolveScope());
}
if (PsiUtil.isCompileStatic(refExpr)) {
final GroovyResolveResult resolveResult = refExpr.advancedResolve();
final PsiElement resolvedF = resolveResult.getElement();
final PsiType type;
if (resolvedF instanceof GrField) {
type = ((GrField) resolvedF).getType();
} else if (resolvedF instanceof GrAccessorMethod) {
type = ((GrAccessorMethod) resolvedF).getProperty().getType();
} else {
type = null;
}
if (type != null) {
return resolveResult.getSubstitutor().substitute(type);
}
}
final PsiElement resolved = refExpr.resolve();
final PsiType nominal = refExpr.getNominalType();
Boolean reassigned = GrReassignedLocalVarsChecker.isReassignedVar(refExpr);
if (reassigned != null && reassigned.booleanValue()) {
return GrReassignedLocalVarsChecker.getReassignedVarType(refExpr, true);
}
final PsiType inferred = getInferredTypes(refExpr, resolved);
if (inferred == null) {
if (nominal == null) {
// inside nested closure we could still try to infer from variable initializer. Not sound,
// but makes sense
if (resolved instanceof GrVariable) {
LOG.assertTrue(resolved.isValid());
return ((GrVariable) resolved).getTypeGroovy();
}
}
return nominal;
}
if (nominal == null) return inferred;
if (!TypeConversionUtil.isAssignable(TypeConversionUtil.erasure(nominal), inferred, false)) {
if (resolved instanceof GrVariable
&& ((GrVariable) resolved).getTypeElementGroovy() != null) {
return nominal;
}
}
return inferred;
}
private static boolean findClassByText(GrReferenceExpression ref) {
final String text = ref.getText();
final int i = text.indexOf('<');
String className = i == -1 ? text : text.substring(0, i);
PsiClass[] names =
PsiShortNamesCache.getInstance(ref.getProject())
.getClassesByName(className, ref.getResolveScope());
if (names.length > 0) return true;
PsiFile file = ref.getContainingFile();
if (file instanceof GroovyFile) {
GrImportStatement[] imports = ((GroovyFile) file).getImportStatements();
for (GrImportStatement anImport : imports) {
if (className.equals(anImport.getImportedName())) return true;
}
}
return false;
}
public static GrReferenceExpression qualifyReference(
GrReferenceExpression referenceExpression,
final PsiMember member,
@Nullable final PsiClass qualifyingClass)
throws IncorrectOperationException {
PsiManager manager = referenceExpression.getManager();
GrReferenceExpression expressionFromText;
final GroovyPsiElementFactory factory =
GroovyPsiElementFactory.getInstance(referenceExpression.getProject());
if (qualifyingClass == null) {
PsiClass parentClass = PsiTreeUtil.getParentOfType(referenceExpression, PsiClass.class);
final PsiClass containingClass = member.getContainingClass();
if (parentClass != null
&& !InheritanceUtil.isInheritorOrSelf(parentClass, containingClass, true)) {
while (parentClass != null
&& !InheritanceUtil.isInheritorOrSelf(parentClass, containingClass, true)) {
parentClass = PsiTreeUtil.getParentOfType(parentClass, PsiClass.class, true);
}
LOG.assertTrue(parentClass != null);
expressionFromText =
factory.createReferenceExpressionFromText("A.this." + member.getName());
//noinspection ConstantConditions
((GrReferenceExpression) expressionFromText.getQualifier())
.getQualifier()
.replace(factory.createReferenceElementForClass(parentClass));
} else {
expressionFromText =
(GrReferenceExpression) factory.createExpressionFromText("this." + member.getName());
}
} else {
expressionFromText =
(GrReferenceExpression) factory.createExpressionFromText("A." + member.getName());
expressionFromText.setQualifier(factory.createReferenceElementForClass(qualifyingClass));
}
CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(manager.getProject());
expressionFromText = (GrReferenceExpression) codeStyleManager.reformat(expressionFromText);
return (GrReferenceExpression) referenceExpression.replace(expressionFromText);
}
private static boolean areGroovyObjectMethodsOverridden(GrReferenceExpression ref) {
PsiType qualifierType = GrReferenceResolveUtil.getQualifierType(ref);
if (!(qualifierType instanceof PsiClassType)) return false;
PsiClass resolved = ((PsiClassType) qualifierType).resolve();
if (resolved == null) return false;
PsiClass groovyObject =
JavaPsiFacade.getInstance(ref.getProject())
.findClass(GroovyCommonClassNames.GROOVY_OBJECT, ref.getResolveScope());
if (groovyObject == null) return false;
String methodName;
if (ref.getParent() instanceof GrCall) {
methodName = "invokeMethod";
} else if (PsiUtil.isLValue(ref)) {
methodName = "setProperty";
} else {
methodName = "getProperty";
}
PsiMethod[] patternMethods = groovyObject.findMethodsByName(methodName, false);
if (patternMethods.length != 1) return false;
PsiMethod patternMethod = patternMethods[0];
PsiMethod found = resolved.findMethodBySignature(patternMethod, true);
if (found == null) return false;
PsiClass aClass = found.getContainingClass();
if (aClass == null) return false;
String qname = aClass.getQualifiedName();
if (GroovyCommonClassNames.GROOVY_OBJECT.equals(qname)) return false;
if (GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT.equals(qname)) return false;
return true;
}
