public void visitAssignmentExpression(GrAssignmentExpression expression) {
GrExpression rValue = expression.getRValue();
GrExpression lValue = expression.getLValue();
if (myExpression.equals(rValue)) {
PsiType lType = lValue.getNominalType();
if (lType != null) {
myResult = new TypeConstraint[] {SubtypeConstraint.create(lType)};
} else if (lValue instanceof GrReferenceExpression) {
GroovyResolveResult result = ((GrReferenceExpression) lValue).advancedResolve();
PsiElement resolved = result.getElement();
if (resolved instanceof GrVariable) {
PsiType type = ((GrVariable) resolved).getTypeGroovy();
if (type != null) {
myResult =
new TypeConstraint[] {
SubtypeConstraint.create(result.getSubstitutor().substitute(type))
};
}
}
}
} else if (myExpression.equals(lValue)) {
if (rValue != null) {
PsiType rType = rValue.getType();
if (rType != null) {
myResult = new TypeConstraint[] {SupertypeConstraint.create(rType)};
}
}
}
}
@NotNull
@Override
public GroovyResolveResult[] getCandidates() {
if (!hasCandidates()) return GroovyResolveResult.EMPTY_ARRAY;
final GroovyResolveResult[] results =
ResolveUtil.filterSameSignatureCandidates(getCandidatesInternal());
List<GroovyResolveResult> list = new ArrayList<GroovyResolveResult>(results.length);
myPropertyNames.removeAll(myPreferredFieldNames);
Set<String> usedFields = ContainerUtil.newHashSet();
for (GroovyResolveResult result : results) {
final PsiElement element = result.getElement();
if (element instanceof PsiField) {
final String name = ((PsiField) element).getName();
if (myPropertyNames.contains(name)
|| myLocalVars.contains(name)
|| usedFields.contains(name)) {
continue;
} else {
usedFields.add(name);
}
}
list.add(result);
}
return list.toArray(new GroovyResolveResult[list.size()]);
}
private static void removeParametersFromCall(
GrMethodCallExpression methodCall, GrIntroduceParameterSettings settings) {
final GroovyResolveResult resolveResult = methodCall.advancedResolve();
final PsiElement resolved = resolveResult.getElement();
LOG.assertTrue(resolved instanceof PsiMethod);
final GrClosureSignature signature =
GrClosureSignatureUtil.createSignature(
(PsiMethod) resolved, resolveResult.getSubstitutor());
final GrClosureSignatureUtil.ArgInfo<PsiElement>[] argInfos =
GrClosureSignatureUtil.mapParametersToArguments(signature, methodCall);
LOG.assertTrue(argInfos != null);
settings
.parametersToRemove()
.forEach(
new TIntProcedure() {
@Override
public boolean execute(int value) {
final List<PsiElement> args = argInfos[value].args;
for (PsiElement arg : args) {
arg.delete();
}
return true;
}
});
}
private GroovyResolveResult[] resolveTypeOrProperty() {
if (isDefinitelyKeyOfMap()) return GroovyResolveResult.EMPTY_ARRAY;
final GroovyResolveResult[] results = resolveTypeOrPropertyInner();
if (results.length == 0) return GroovyResolveResult.EMPTY_ARRAY;
if (!ResolveUtil.mayBeKeyOfMap(this)) return results;
// filter out all members from super classes. We should return only accessible members from map
// classes
List<GroovyResolveResult> filtered = new ArrayList<GroovyResolveResult>();
for (GroovyResolveResult result : results) {
final PsiElement element = result.getElement();
if (element instanceof PsiMember) {
if (((PsiMember) element).hasModifierProperty(PsiModifier.PRIVATE)) continue;
final PsiClass containingClass = ((PsiMember) element).getContainingClass();
if (containingClass != null) {
if (!InheritanceUtil.isInheritor(containingClass, CommonClassNames.JAVA_UTIL_MAP))
continue;
final String name = containingClass.getQualifiedName();
if (name != null && name.startsWith("java.")) continue;
if (containingClass.getLanguage() != GroovyFileType.GROOVY_LANGUAGE
&& !InheritanceUtil.isInheritor(
containingClass, GroovyCommonClassNames.DEFAULT_BASE_CLASS_NAME)) {
continue;
}
}
}
filtered.add(result);
}
return ContainerUtil.toArray(filtered, new GroovyResolveResult[filtered.size()]);
}
@Override
@Nullable
public PsiType getNominalType() {
final GroovyResolveResult resolveResult = advancedResolve();
PsiElement resolved = resolveResult.getElement();
for (GrReferenceTypeEnhancer enhancer : GrReferenceTypeEnhancer.EP_NAME.getExtensions()) {
PsiType type = enhancer.getReferenceType(this, resolved);
if (type != null) {
return type;
}
}
IElementType dotType = getDotTokenType();
if (dotType == GroovyTokenTypes.mMEMBER_POINTER) {
return GrClosureType.create(multiResolve(false), this);
}
if (isDefinitelyKeyOfMap()) {
final PsiType type = getTypeFromMapAccess(this);
if (type != null) {
return type;
}
}
PsiType result = getNominalTypeInner(resolved);
if (result == null) return null;
result =
TypesUtil.substituteAndNormalizeType(
result, resolveResult.getSubstitutor(), resolveResult.getSpreadState(), this);
return result;
}
@Nullable
private static HighlightInfo checkCodeRefInner(GrCodeReferenceElement refElement) {
if (PsiTreeUtil.getParentOfType(refElement, GroovyDocPsiElement.class) != null) return null;
PsiElement nameElement = refElement.getReferenceNameElement();
if (nameElement == null) return null;
if (isResolvedStaticImport(refElement)) return null;
GroovyResolveResult resolveResult = refElement.advancedResolve();
final PsiElement resolved = resolveResult.getElement();
if (!(refElement.getParent() instanceof GrPackageDefinition) && resolved == null) {
String message = GroovyBundle.message("cannot.resolve", refElement.getReferenceName());
HighlightInfo info =
HighlightInfo.newHighlightInfo(HighlightInfoType.WRONG_REF)
.range(nameElement)
.descriptionAndTooltip(message)
.create();
// todo implement for nested classes
HighlightDisplayKey displayKey = HighlightDisplayKey.find(SHORT_NAME);
registerCreateClassByTypeFix(refElement, info, displayKey);
registerAddImportFixes(refElement, info, displayKey);
UnresolvedReferenceQuickFixProvider.registerReferenceFixes(
refElement, new QuickFixActionRegistrarAdapter(info, displayKey));
OrderEntryFix.registerFixes(new QuickFixActionRegistrarAdapter(info, displayKey), refElement);
return info;
}
return null;
}
private static boolean isStaticOk(GroovyResolveResult resolveResult) {
if (resolveResult.isStaticsOK()) return true;
PsiElement resolved = resolveResult.getElement();
LOG.assertTrue(resolved != null);
LOG.assertTrue(resolved instanceof PsiModifierListOwner, resolved + " : " + resolved.getText());
return ((PsiModifierListOwner) resolved).hasModifierProperty(STATIC);
}
@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;
}
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;
}
public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException {
final GroovyResolveResult result = advancedResolve();
if (result.isInvokedOnProperty()) {
final String name = GroovyPropertyUtils.getPropertyNameByAccessorName(newElementName);
if (name != null) {
newElementName = name;
}
}
if (PsiUtil.isThisOrSuperRef(this)) return this;
return handleElementRenameSimple(newElementName);
}
@Nullable
private PsiType extractLastParameterType(GroovyResolveResult candidate) {
PsiElement element = candidate.getElement();
if (element instanceof PsiMethod) {
PsiParameter[] parameters = ((PsiMethod) element).getParameterList().getParameters();
if (parameters.length > 1) {
PsiParameter last = parameters[parameters.length - 1];
return TypesUtil.substituteBoxAndNormalizeType(
last.getType(), candidate.getSubstitutor(), candidate.getSpreadState(), this);
}
}
return null;
}
private static boolean containsLocalVar(GroovyResolveResult[] fieldCandidates) {
boolean preferVar = false;
if (fieldCandidates.length > 0) {
for (GroovyResolveResult candidate : fieldCandidates) {
PsiElement element = candidate.getElement();
LOG.assertTrue(element != null, candidate);
if (GroovyRefactoringUtil.isLocalVariable(element)) {
preferVar = true;
break;
}
}
}
return preferVar;
}
private static PsiReference[] createReferencesForNamedArgument(
@NotNull PsiElement element,
GrNamedArgument namedArgument,
@NotNull ProcessingContext context) {
String labelName = namedArgument.getLabelName();
if (labelName == null) return PsiReference.EMPTY_ARRAY;
if (!GroovyMethodInfo.getAllSupportedNamedArguments().contains(labelName)) {
// Optimization: avoid unnecessary resolve.
return PsiReference.EMPTY_ARRAY;
}
PsiElement call = PsiUtil.getCallByNamedParameter(namedArgument);
if (!(call instanceof GrMethodCall)) return PsiReference.EMPTY_ARRAY;
GrExpression invokedExpression = ((GrMethodCall) call).getInvokedExpression();
if (!(invokedExpression instanceof GrReferenceExpression)) return PsiReference.EMPTY_ARRAY;
for (GroovyResolveResult result :
((GrReferenceExpression) invokedExpression).multiResolve(false)) {
PsiElement eMethod = result.getElement();
if (!(eMethod instanceof PsiMethod)) continue;
PsiMethod method = (PsiMethod) eMethod;
for (GroovyMethodInfo info : GroovyMethodInfo.getInfos(method)) {
Object referenceProvider = info.getNamedArgReferenceProvider(labelName);
if (referenceProvider != null) {
PsiReference[] refs;
if (referenceProvider instanceof GroovyNamedArgumentReferenceProvider) {
refs =
((GroovyNamedArgumentReferenceProvider) referenceProvider)
.createRef(element, namedArgument, result, context);
} else {
refs =
((PsiReferenceProvider) referenceProvider)
.getReferencesByElement(element, context);
}
if (refs.length > 0) {
return refs;
}
}
}
}
return PsiReference.EMPTY_ARRAY;
}
@Override
@Nullable
public PsiJavaCodeReferenceElement getNameReferenceElement() {
final GroovyResolveResult resolveResult = resolveWithStub();
final PsiElement resolved = resolveResult.getElement();
if (!(resolved instanceof PsiClass)) return null;
return new LightClassReference(
getManager(),
getClassReference().getText(),
(PsiClass) resolved,
resolveResult.getSubstitutor());
}
private static GroovyResolveResult getBestResolveResult(GrReferenceExpression ref) {
GroovyResolveResult[] results = ref.multiResolve(false);
if (results.length == 0) return GroovyResolveResult.EMPTY_RESULT;
if (results.length == 1) return results[0];
for (GroovyResolveResult result : results) {
if (result.isAccessible() && result.isStaticsOK()) return result;
}
for (GroovyResolveResult result : results) {
if (result.isStaticsOK()) return result;
}
return results[0];
}
private Set<GroovyResolveResult> filterCorrectParameterCount(
Set<GroovyResolveResult> candidates) {
if (myArgumentTypes == null) return candidates;
Set<GroovyResolveResult> result = new HashSet<GroovyResolveResult>();
for (GroovyResolveResult candidate : candidates) {
final PsiElement element = candidate.getElement();
if (element instanceof PsiMethod
&& ((PsiMethod) element).getParameterList().getParametersCount()
== myArgumentTypes.length) {
result.add(candidate);
}
}
if (!result.isEmpty()) return result;
return candidates;
}
private static void filterOutBindings(@NotNull List<GroovyResolveResult> candidates) {
boolean hasNonBinding = false;
for (GroovyResolveResult candidate : candidates) {
if (!(candidate.getElement() instanceof GrBindingVariable)) {
hasNonBinding = true;
}
}
if (hasNonBinding) {
for (Iterator<GroovyResolveResult> iterator = candidates.iterator(); iterator.hasNext(); ) {
GroovyResolveResult candidate = iterator.next();
if (candidate.getElement() instanceof GrBindingVariable) {
iterator.remove();
}
}
}
}
@NotNull
private static GroovyResolveResult[] collapseReflectedMethods(GroovyResolveResult[] candidates) {
Set<GrMethod> visited = ContainerUtil.newHashSet();
List<GroovyResolveResult> collapsed = ContainerUtil.newArrayList();
for (GroovyResolveResult result : candidates) {
PsiElement element = result.getElement();
if (element instanceof GrReflectedMethod) {
GrMethod baseMethod = ((GrReflectedMethod) element).getBaseMethod();
if (visited.add(baseMethod)) {
collapsed.add(
PsiImplUtil.reflectedToBase(result, baseMethod, (GrReflectedMethod) element));
}
} else {
collapsed.add(result);
}
}
return collapsed.toArray(new GroovyResolveResult[collapsed.size()]);
}
private static boolean canBeSimplified(PsiElement element) {
if (PsiTreeUtil.getParentOfType(element, PsiComment.class) != null) return false;
if (element instanceof GrCodeReferenceElement) {
if (PsiTreeUtil.getParentOfType(element, GrImportStatement.class, GrPackageDefinition.class)
!= null) return false;
} else if (element instanceof GrReferenceExpression) {
if (!PsiImplUtil.seemsToBeQualifiedClassName((GrReferenceExpression) element)) return false;
} else {
return false;
}
final GrReferenceElement ref = (GrReferenceElement) element;
if (ref.getQualifier() == null) return false;
if (!(ref.getContainingFile() instanceof GroovyFileBase)) return false;
final PsiElement resolved = ref.resolve();
if (!(resolved instanceof PsiClass)) return false;
final String name = ((PsiClass) resolved).getName();
if (name == null) return false;
final GroovyPsiElementFactory factory =
GroovyPsiElementFactory.getInstance(element.getProject());
final GrReferenceExpression shortedRef =
factory.createReferenceExpressionFromText(name, element);
final GroovyResolveResult resolveResult = shortedRef.advancedResolve();
if (element.getManager().areElementsEquivalent(resolved, resolveResult.getElement())) {
return true;
}
final PsiClass containingClass = ((PsiClass) resolved).getContainingClass();
if (containingClass != null
&& !GroovyCodeStyleSettingsFacade.getInstance(containingClass.getProject())
.insertInnerClassImports()) {
return false;
}
return resolveResult.getElement() == null
|| !resolveResult.isAccessible()
|| !resolveResult.isStaticsOK();
}
@Override
public void getNamedArguments(
@NotNull GrCall call,
@Nullable PsiElement resolve,
@Nullable String argumentName,
boolean forCompletion,
Map<String, ArgumentDescriptor> result) {
if (!(call instanceof GrNewExpression)) return;
if (resolve != null) {
if (!(resolve instanceof PsiMethod)) return;
PsiMethod method = (PsiMethod) resolve;
if (!method.isConstructor()) return;
}
GrNewExpression newCall = (GrNewExpression) call;
GrArgumentList argumentList = newCall.getArgumentList();
if (argumentList == null) return;
GrExpression[] expressionArguments = argumentList.getExpressionArguments();
if (expressionArguments.length > 1
|| (expressionArguments.length == 1
&& !(expressionArguments[0] instanceof GrReferenceExpression))) {
return;
}
for (GroovyResolveResult resolveResult : newCall.multiResolveClass()) {
PsiElement element = resolveResult.getElement();
if (!(element instanceof PsiClass)) continue;
PsiClass aClass = (PsiClass) element;
if (!isClassHasConstructorWithMap(aClass)) continue;
PsiClassType classType =
JavaPsiFacade.getElementFactory(aClass.getProject()).createType(aClass);
processClass(call, classType, argumentName, result);
}
}
@NotNull
private static GroovyResolveResult generatePropertyResolveResult(
@NotNull String name,
@NotNull PsiMethod method,
@Nullable PsiType type,
@Nullable GroovyResolveResult resolveResult) {
PsiType nonNullType = type != null ? type : TypesUtil.getJavaLangObject(method);
final GrPropertyForCompletion field = new GrPropertyForCompletion(method, name, nonNullType);
if (resolveResult != null) {
return new GroovyResolveResultImpl(
field,
resolveResult.getCurrentFileResolveContext(),
resolveResult.getSpreadState(),
resolveResult.getSubstitutor(),
resolveResult.isAccessible(),
resolveResult.isStaticsOK());
} else {
return new GroovyResolveResultImpl(field, true);
}
}
private PsiType inferIteratorType(
GroovyResolveResult iteratorMethodResult, GrExpression tupleInitializer) {
PsiElement method = iteratorMethodResult.getElement();
if (method instanceof PsiMethod) {
return iteratorMethodResult.getSubstitutor().substitute(((PsiMethod) method).getReturnType());
} else {
PsiType initializerType = tupleInitializer.getType();
PsiType iterableParam = PsiUtil.extractIterableTypeParameter(initializerType, false);
JavaPsiFacade facade = JavaPsiFacade.getInstance(context.project);
PsiClass iterableClass =
facade.findClass(CommonClassNames.JAVA_UTIL_ITERATOR, tupleInitializer.getResolveScope());
if (iterableClass != null && iterableParam != null) {
return facade.getElementFactory().createType(iterableClass, iterableParam);
} else {
return facade
.getElementFactory()
.createTypeFromText(CommonClassNames.JAVA_UTIL_ITERATOR, tupleInitializer);
}
}
}
public void visitMethodCallExpression(GrMethodCallExpression methodCall) {
final GrExpression invokedExpression = methodCall.getInvokedExpression();
if (myExpression.equals(invokedExpression)) {
myResult =
new TypeConstraint[] {
SubtypeConstraint.create(GroovyCommonClassNames.GROOVY_LANG_CLOSURE, methodCall)
};
return;
}
final GrClosableBlock[] closureArgs = methodCall.getClosureArguments();
//noinspection SuspiciousMethodCalls
final int closureIndex = Arrays.asList(closureArgs).indexOf(myExpression);
if (closureIndex >= 0) {
List<TypeConstraint> constraints = new ArrayList<TypeConstraint>();
for (GroovyResolveResult variant : ResolveUtil.getCallVariants(myExpression)) {
final GrArgumentList argumentList = methodCall.getArgumentList();
final GrNamedArgument[] namedArgs =
argumentList == null ? GrNamedArgument.EMPTY_ARRAY : argumentList.getNamedArguments();
final GrExpression[] expressionArgs =
argumentList == null
? GrExpression.EMPTY_ARRAY
: argumentList.getExpressionArguments();
try {
final Map<GrExpression, Pair<PsiParameter, PsiType>> map =
GrClosureSignatureUtil.mapArgumentsToParameters(
variant, methodCall, true, true, namedArgs, expressionArgs, closureArgs);
addConstraintsFromMap(constraints, map);
} catch (RuntimeException e) {
LOG.error(
"call: " + methodCall.getText() + "\nsymbol: " + variant.getElement().getText(), e);
}
}
if (!constraints.isEmpty()) {
myResult = constraints.toArray(new TypeConstraint[constraints.size()]);
}
}
}
@Override
public void visitNamedArgument(GrNamedArgument argument) {
GrArgumentLabel label = argument.getLabel();
if (label != null) {
PsiElement pparent = argument.getParent().getParent();
if (pparent instanceof GrCall && resolvesToDefaultConstructor(((GrCall) pparent))) {
final GroovyResolveResult resolveResult = label.advancedResolve();
PsiElement resolved = resolveResult.getElement();
PsiType type;
if (resolved instanceof PsiField) {
type = ((PsiField) resolved).getType();
} else if (resolved instanceof PsiMethod
&& GroovyPropertyUtils.isSimplePropertySetter((PsiMethod) resolved)) {
type = ((PsiMethod) resolved).getParameterList().getParameters()[0].getType();
} else {
type = null;
}
type = resolveResult.getSubstitutor().substitute(type);
if (type != null) {
myResult = createSimpleSubTypeResult(type);
}
}
}
}
private static String getMethodCandidateInfo(GrReferenceExpression expr) {
final GroovyResolveResult[] candidates = expr.multiResolve(false);
final String text = expr.getText();
if (candidates.length > 0) {
@NonNls final StringBuilder sb = new StringBuilder();
for (final GroovyResolveResult candidate : candidates) {
final PsiElement element = candidate.getElement();
if (!(element instanceof PsiMethod)) {
continue;
}
final String str =
PsiFormatUtil.formatMethod(
(PsiMethod) element,
candidate.getSubstitutor(),
PsiFormatUtilBase.SHOW_NAME
| PsiFormatUtilBase.SHOW_TYPE
| PsiFormatUtilBase.SHOW_PARAMETERS,
PsiFormatUtilBase.SHOW_TYPE);
createElementLink(sb, element, str);
}
return CodeInsightBundle.message("javadoc.candidates", text, sb);
}
return CodeInsightBundle.message("javadoc.candidates.not.found", text);
}
private GroovyResolveResult[] filterCandidates() {
List<GroovyResolveResult> array = getCandidatesInternal();
if (array.size() == 1) return array.toArray(new GroovyResolveResult[array.size()]);
List<GroovyResolveResult> result = new ArrayList<GroovyResolveResult>();
Iterator<GroovyResolveResult> itr = array.iterator();
result.add(itr.next());
Outer:
while (itr.hasNext()) {
GroovyResolveResult resolveResult = itr.next();
PsiElement currentElement = resolveResult.getElement();
if (currentElement instanceof PsiMethod) {
PsiMethod currentMethod = (PsiMethod) currentElement;
for (Iterator<GroovyResolveResult> iterator = result.iterator(); iterator.hasNext(); ) {
final GroovyResolveResult otherResolveResult = iterator.next();
PsiElement other = otherResolveResult.getElement();
if (other instanceof PsiMethod) {
PsiMethod otherMethod = (PsiMethod) other;
int res =
compareMethods(
currentMethod,
resolveResult.getSubstitutor(),
resolveResult.getCurrentFileResolveContext(),
otherMethod,
otherResolveResult.getSubstitutor(),
otherResolveResult.getCurrentFileResolveContext());
if (res > 0) {
continue Outer;
} else if (res < 0) {
iterator.remove();
}
}
}
}
result.add(resolveResult);
}
return result.toArray(new GroovyResolveResult[result.size()]);
}
@Nullable
public static LookupElementBuilder createPropertyLookupElement(
@NotNull PsiMethod accessor,
@Nullable GroovyResolveResult resolveResult,
@Nullable PrefixMatcher matcher) {
String propName;
PsiType propType;
final boolean getter = GroovyPropertyUtils.isSimplePropertyGetter(accessor, null);
if (getter) {
propName = GroovyPropertyUtils.getPropertyNameByGetter(accessor);
} else if (GroovyPropertyUtils.isSimplePropertySetter(accessor, null)) {
propName = GroovyPropertyUtils.getPropertyNameBySetter(accessor);
} else {
return null;
}
assert propName != null;
if (!PsiUtil.isValidReferenceName(propName)) {
propName = "'" + propName + "'";
}
if (matcher != null && !matcher.prefixMatches(propName)) {
return null;
}
if (getter) {
propType = PsiUtil.getSmartReturnType(accessor);
} else {
propType = accessor.getParameterList().getParameters()[0].getType();
}
final PsiType substituted =
resolveResult != null ? resolveResult.getSubstitutor().substitute(propType) : propType;
LookupElementBuilder builder =
LookupElementBuilder.create(
generatePropertyResolveResult(propName, accessor, propType, resolveResult),
propName)
.withIcon(JetgroovyIcons.Groovy.Property);
if (substituted != null) {
builder = builder.withTypeText(substituted.getPresentableText());
}
return builder;
}
// hack for DGM.next(Number):Number
private boolean isIncDecNumber(GroovyResolveResult result) {
PsiElement element = result.getElement();
if (!(element instanceof PsiMethod)) return false;
final PsiMethod method =
element instanceof GrGdkMethod
? ((GrGdkMethod) element).getStaticMethod()
: (PsiMethod) element;
final String name = method.getName();
if (!"next".equals(name) && !"previous".equals(name)) return false;
if (!PsiUtil.isDGMMethod(method)) return false;
final PsiParameter[] parameters = method.getParameterList().getParameters();
if (parameters.length != 1) return false;
if (!parameters[0].getType().equalsToText(CommonClassNames.JAVA_LANG_NUMBER))
return false;
return true;
}
private static void assertAllAreValid(GroovyResolveResult[] candidates) {
for (GroovyResolveResult candidate : candidates) {
final PsiElement element = candidate.getElement();
LOG.assertTrue(element == null || element.isValid());
}
}
/**
* priority: inside class C: local variable, c.method, c.property, c.getter in other places: local
* variable, c.method, c.getter, c.property
*/
@NotNull
private GroovyResolveResult[] resolveMethodOrProperty(
boolean allVariants, @Nullable GrExpression upToArgument, boolean genericsMatter) {
final String name = getReferenceName();
if (name == null) return GroovyResolveResult.EMPTY_ARRAY;
PropertyResolverProcessor propertyResolver = new PropertyResolverProcessor(name, this);
GrReferenceResolveUtil.resolveImpl(propertyResolver, this);
final GroovyResolveResult[] propertyCandidates = propertyResolver.getCandidates();
if (!allVariants) { // search for local variables
for (GroovyResolveResult candidate : propertyCandidates) {
if (candidate.getElement() instanceof GrVariable
&& !(candidate.getElement() instanceof GrField)) {
return propertyResolver.getCandidates();
}
}
}
final Pair<Boolean, GroovyResolveResult[]> shapeResults =
resolveByShape(allVariants, upToArgument);
if (!genericsMatter && !allVariants && shapeResults.first) {
assertAllAreValid(shapeResults.second);
return shapeResults.second;
}
MethodResolverProcessor methodResolver = null;
if (genericsMatter) {
methodResolver = createMethodProcessor(allVariants, name, false, upToArgument);
for (GroovyResolveResult result : shapeResults.second) {
final ResolveState state =
ResolveState.initial()
.put(PsiSubstitutor.KEY, result.getSubstitutor())
.put(ResolverProcessor.RESOLVE_CONTEXT, result.getCurrentFileResolveContext())
.put(SpreadState.SPREAD_STATE, result.getSpreadState());
methodResolver.execute(result.getElement(), state);
}
if (!allVariants && methodResolver.hasApplicableCandidates()) {
return methodResolver.getCandidates();
}
}
// search for fields inside its class
if (!allVariants) {
for (GroovyResolveResult candidate : propertyCandidates) {
final PsiElement element = candidate.getElement();
if (element instanceof GrField) {
final PsiClass containingClass = ((PsiField) element).getContainingClass();
if (containingClass != null && PsiTreeUtil.isContextAncestor(containingClass, this, true))
return propertyCandidates;
}
}
}
List<GroovyResolveResult> allCandidates = new ArrayList<GroovyResolveResult>();
ContainerUtil.addAll(allCandidates, propertyCandidates);
ContainerUtil.addAll(
allCandidates, genericsMatter ? methodResolver.getCandidates() : shapeResults.second);
// search for getters
for (String getterName : GroovyPropertyUtils.suggestGettersName(name)) {
AccessorResolverProcessor getterResolver =
new AccessorResolverProcessor(
getterName,
name,
this,
true,
genericsMatter,
GrReferenceResolveUtil.getQualifierType(this),
getTypeArguments());
GrReferenceResolveUtil.resolveImpl(getterResolver, this);
final GroovyResolveResult[] candidates =
getterResolver.getCandidates(); // can be only one candidate
if (!allVariants && candidates.length == 1) {
return candidates;
}
ContainerUtil.addAll(allCandidates, candidates);
}
if (allCandidates.size() > 0) {
return allCandidates.toArray(new GroovyResolveResult[allCandidates.size()]);
}
return GroovyResolveResult.EMPTY_ARRAY;
}