Examples with UnusedDeclarationInspectionBase com.intellij.codeInspection.deadCode.UnusedDeclarationInspectionBase used on opensource projects

Example 11 with UnusedDeclarationInspectionBase

use of com.intellij.codeInspection.deadCode.UnusedDeclarationInspectionBase in project intellij-community by JetBrains.

the class GroovyPostHighlightingPass method doCollectInformation.

@Override
public void doCollectInformation(@NotNull final ProgressIndicator progress) {
    ProjectFileIndex fileIndex = ProjectRootManager.getInstance(myProject).getFileIndex();
    VirtualFile virtualFile = myFile.getViewProvider().getVirtualFile();
    if (!fileIndex.isInContent(virtualFile)) {
        return;
    }
    final InspectionProfile profile = InspectionProjectProfileManager.getInstance(myProject).getCurrentProfile();
    final HighlightDisplayKey unusedDefKey = HighlightDisplayKey.find(GroovyUnusedDeclarationInspection.SHORT_NAME);
    final boolean deadCodeEnabled = profile.isToolEnabled(unusedDefKey, myFile);
    final UnusedDeclarationInspectionBase deadCodeInspection = (UnusedDeclarationInspectionBase) profile.getUnwrappedTool(UnusedDeclarationInspectionBase.SHORT_NAME, myFile);
    final GlobalUsageHelper usageHelper = new GlobalUsageHelper() {

        @Override
        public boolean isCurrentFileAlreadyChecked() {
            return false;
        }

        @Override
        public boolean isLocallyUsed(@NotNull PsiNamedElement member) {
            return false;
        }

        @Override
        public boolean shouldCheckUsages(@NotNull PsiMember member) {
            return deadCodeInspection == null || !deadCodeInspection.isEntryPoint(member);
        }
    };
    final List<HighlightInfo> unusedDeclarations = new ArrayList<>();
    final Map<GrParameter, Boolean> usedParams = new HashMap<>();
    myFile.accept(new PsiRecursiveElementWalkingVisitor() {

        @Override
        public void visitElement(PsiElement element) {
            if (element instanceof GrReferenceExpression && !((GrReferenceElement) element).isQualified()) {
                GroovyResolveResult[] results = ((GrReferenceExpression) element).multiResolve(false);
                if (results.length == 0) {
                    results = ((GrReferenceExpression) element).multiResolve(true);
                }
                for (GroovyResolveResult result : results) {
                    PsiElement resolved = result.getElement();
                    if (resolved instanceof GrParameter && resolved.getContainingFile() == myFile) {
                        usedParams.put((GrParameter) resolved, Boolean.TRUE);
                    }
                }
            }
            if (deadCodeEnabled && element instanceof GrNamedElement && element instanceof PsiModifierListOwner && !UnusedSymbolUtil.isImplicitUsage(element.getProject(), (PsiModifierListOwner) element, progress) && !GroovySuppressableInspectionTool.isElementToolSuppressedIn(element, GroovyUnusedDeclarationInspection.SHORT_NAME)) {
                PsiElement nameId = ((GrNamedElement) element).getNameIdentifierGroovy();
                if (nameId.getNode().getElementType() == GroovyTokenTypes.mIDENT) {
                    String name = ((GrNamedElement) element).getName();
                    if (element instanceof GrTypeDefinition && !UnusedSymbolUtil.isClassUsed(myProject, element.getContainingFile(), (GrTypeDefinition) element, progress, usageHelper)) {
                        HighlightInfo highlightInfo = UnusedSymbolUtil.createUnusedSymbolInfo(nameId, "Class " + name + " is unused", HighlightInfoType.UNUSED_SYMBOL);
                        QuickFixAction.registerQuickFixAction(highlightInfo, QuickFixFactory.getInstance().createSafeDeleteFix(element), unusedDefKey);
                        ContainerUtil.addIfNotNull(unusedDeclarations, highlightInfo);
                    } else if (element instanceof GrMethod) {
                        GrMethod method = (GrMethod) element;
                        if (!UnusedSymbolUtil.isMethodReferenced(method.getProject(), method.getContainingFile(), method, progress, usageHelper)) {
                            String message = (method.isConstructor() ? "Constructor" : "Method") + " " + name + " is unused";
                            HighlightInfo highlightInfo = UnusedSymbolUtil.createUnusedSymbolInfo(nameId, message, HighlightInfoType.UNUSED_SYMBOL);
                            QuickFixAction.registerQuickFixAction(highlightInfo, QuickFixFactory.getInstance().createSafeDeleteFix(method), unusedDefKey);
                            ContainerUtil.addIfNotNull(unusedDeclarations, highlightInfo);
                        }
                    } else if (element instanceof GrField && isFieldUnused((GrField) element, progress, usageHelper)) {
                        HighlightInfo highlightInfo = UnusedSymbolUtil.createUnusedSymbolInfo(nameId, "Property " + name + " is unused", HighlightInfoType.UNUSED_SYMBOL);
                        QuickFixAction.registerQuickFixAction(highlightInfo, QuickFixFactory.getInstance().createSafeDeleteFix(element), unusedDefKey);
                        ContainerUtil.addIfNotNull(unusedDeclarations, highlightInfo);
                    } else if (element instanceof GrParameter) {
                        if (!usedParams.containsKey(element)) {
                            usedParams.put((GrParameter) element, Boolean.FALSE);
                        }
                    }
                }
            }
            super.visitElement(element);
        }
    });
    final Set<GrImportStatement> unusedImports = new HashSet<>(PsiUtil.getValidImportStatements(myFile));
    unusedImports.removeAll(GroovyImportUtil.findUsedImports(myFile));
    myUnusedImports = unusedImports;
    if (deadCodeEnabled) {
        for (GrParameter parameter : usedParams.keySet()) {
            if (usedParams.get(parameter))
                continue;
            PsiElement scope = parameter.getDeclarationScope();
            if (scope instanceof GrMethod) {
                GrMethod method = (GrMethod) scope;
                if (methodMayHaveUnusedParameters(method)) {
                    PsiElement identifier = parameter.getNameIdentifierGroovy();
                    HighlightInfo highlightInfo = UnusedSymbolUtil.createUnusedSymbolInfo(identifier, "Parameter " + parameter.getName() + " is unused", HighlightInfoType.UNUSED_SYMBOL);
                    QuickFixAction.registerQuickFixAction(highlightInfo, GroovyQuickFixFactory.getInstance().createRemoveUnusedGrParameterFix(parameter), unusedDefKey);
                    ContainerUtil.addIfNotNull(unusedDeclarations, highlightInfo);
                }
            } else if (scope instanceof GrClosableBlock) {
            //todo Max Medvedev
            }
        }
    }
    myUnusedDeclarations = unusedDeclarations;
}

Example 12 with UnusedDeclarationInspectionBase

use of com.intellij.codeInspection.deadCode.UnusedDeclarationInspectionBase in project intellij-community by JetBrains.

the class RegisterExtensionFixProviderTest method setUp.

@Override
public void setUp() throws Exception {
    super.setUp();
    myFixture.enableInspections(new UnusedDeclarationInspectionBase(true));
}

Example 13 with UnusedDeclarationInspectionBase

use of com.intellij.codeInspection.deadCode.UnusedDeclarationInspectionBase in project intellij-plugins by JetBrains.

the class UnusedJavaMethodInspectionTest method doTest.

protected void doTest(final String file) {
    myFixture.enableInspections(new UnusedDeclarationInspectionBase(true));
    myFixture.configureByFile(file);
    myFixture.testHighlighting(true, false, true);
}