protected void addKeywords( final Set<LookupElement> set, final PsiElement position, final PrefixMatcher matcher, final PsiFile file, final CompletionVariant variant, final Object comp, final TailType tailType) { if (comp instanceof String) { addKeyword(set, tailType, comp, matcher, file, variant); } else { final CompletionContext context = position.getUserData(CompletionContext.COMPLETION_CONTEXT_KEY); if (comp instanceof ContextGetter) { final Object[] elements = ((ContextGetter) comp).get(position, context); for (Object element : elements) { addLookupItem(set, tailType, element, file, variant); } } // TODO: KeywordChooser -> ContextGetter else if (comp instanceof KeywordChooser) { final String[] keywords = ((KeywordChooser) comp).getKeywords(context, position); for (String keyword : keywords) { addKeyword(set, tailType, keyword, matcher, file, variant); } } } }
@Override public boolean hasDocumentationFor(PsiElement element, PsiElement originalElement) { PsiElement docElement = getDocumentationElement(element, originalElement); if (docElement != null && docElement.getUserData(NonCodeMembersHolder.DOCUMENTATION_URL) != null) return true; return JavaDocumentationProvider.hasUrlFor(element); }
public static void highlightOriginalElement( @NotNull PsiElement element, @NotNull AnnotationHolder holder, @NotNull TextAttributesKey key) { PsiElement originalElement = element.getUserData(CMainPsiBuilder.ORIGINAL_SINGLE_ELEMENT); if (originalElement != null) holder.createInfoAnnotation(originalElement, null).setTextAttributes(key); else throw new UnsupportedOperationException("Unknown how highlight element : " + element); }
@Nullable public PsiElement addDeclaration(IntroduceOperation operation, PsiElement declaration) { final PsiElement expression = operation.getInitializer(); final Pair<PsiElement, TextRange> data = expression.getUserData(PyReplaceExpressionUtil.SELECTION_BREAKS_AST_NODE); if (data == null) { return addDeclaration(expression, declaration, operation); } else { return addDeclaration(data.first, declaration, operation); } }
@Nullable protected PsiElement replaceExpression( PsiElement expression, PyExpression newExpression, IntroduceOperation operation) { PyExpressionStatement statement = PsiTreeUtil.getParentOfType(expression, PyExpressionStatement.class); if (statement != null) { if (statement.getExpression() == expression && expression.getUserData(PyReplaceExpressionUtil.SELECTION_BREAKS_AST_NODE) == null) { statement.delete(); return null; } } return PyReplaceExpressionUtil.replaceExpression(expression, newExpression); }
@Nullable public List<String> getUrlFor(PsiElement element, PsiElement originalElement) { List<String> result = new ArrayList<String>(); PsiElement docElement = getDocumentationElement(element, originalElement); if (docElement != null) { ContainerUtil.addIfNotNull( result, docElement.getUserData(NonCodeMembersHolder.DOCUMENTATION_URL)); } List<String> list = JavaDocumentationProvider.getExternalJavaDocUrl(element); if (list != null) { result.addAll(list); } return result.isEmpty() ? null : result; }
private static PsiElement getDocumentationElement( PsiElement element, PsiElement originalElement) { if (element instanceof GrGdkMethod) { element = ((GrGdkMethod) element).getStaticMethod(); } final GrDocComment doc = PsiTreeUtil.getParentOfType(originalElement, GrDocComment.class); if (doc != null) { element = GrDocCommentUtil.findDocOwner(doc); } if (element instanceof GrLightVariable) { PsiElement navigationElement = element.getNavigationElement(); if (navigationElement != null) { element = navigationElement; if (element.getContainingFile() instanceof PsiCompiledFile) { navigationElement = element.getNavigationElement(); if (navigationElement != null) { element = navigationElement; } } if (element instanceof GrAccessorMethod) { element = ((GrAccessorMethod) element).getProperty(); } } } if (element instanceof GrPropertyForCompletion) { element = ((GrPropertyForCompletion) element).getOriginalAccessor(); } if (element != null) { PsiElement delegate = element.getUserData(ResolveUtil.DOCUMENTATION_DELEGATE); if (delegate != null) { return delegate; } } return element; }
@Nullable("null means DFA analysis has failed (too complex to analyze)") public static Collection<PsiExpression> getCachedVariableValues( @Nullable final PsiVariable variable, @Nullable final PsiElement context) { if (variable == null || context == null) return Collections.emptyList(); CachedValue<MultiValuesMap<PsiVariable, PsiExpression>> cachedValue = context.getUserData(DFA_VARIABLE_INFO_KEY); if (cachedValue == null) { final PsiElement codeBlock = DfaPsiUtil.getEnclosingCodeBlock(variable, context); cachedValue = CachedValuesManager.getManager(context.getProject()) .createCachedValue( new CachedValueProvider<MultiValuesMap<PsiVariable, PsiExpression>>() { @Override public Result<MultiValuesMap<PsiVariable, PsiExpression>> compute() { final MultiValuesMap<PsiVariable, PsiExpression> result; if (codeBlock == null) { result = null; } else { final ValuableInstructionVisitor visitor = new ValuableInstructionVisitor(context); RunnerResult runnerResult = new ValuableDataFlowRunner().analyzeMethod(codeBlock, visitor); if (runnerResult == RunnerResult.OK) { result = visitor.myValues; } else { result = TOO_COMPLEX; } } return new Result<MultiValuesMap<PsiVariable, PsiExpression>>( result, variable); } }, false); context.putUserData(DFA_VARIABLE_INFO_KEY, cachedValue); } final MultiValuesMap<PsiVariable, PsiExpression> value = cachedValue.getValue(); if (value == TOO_COMPLEX) return null; final Collection<PsiExpression> expressions = value == null ? null : value.get(variable); return expressions == null ? Collections.<PsiExpression>emptyList() : expressions; }
public void visitLiteral(PsiElement literal) { final PsiElement l2 = myGlobalVisitor.getElement(); MatchingHandler handler = (MatchingHandler) literal.getUserData(CompiledPattern.HANDLER_KEY); if (handler instanceof SubstitutionHandler) { int offset = 0; int length = l2.getTextLength(); final String text = l2.getText(); if (length > 2 && (text.charAt(0) == '"' && text.charAt(length - 1) == '"') || (text.charAt(0) == '\'' && text.charAt(length - 1) == '\'')) { length--; offset++; } myGlobalVisitor.setResult( ((SubstitutionHandler) handler) .handle(l2, offset, length, myGlobalVisitor.getMatchContext())); } else if (handler != null) { myGlobalVisitor.setResult(handler.match(literal, l2, myGlobalVisitor.getMatchContext())); } else { myGlobalVisitor.setResult(literal.textMatches(l2)); } }
public final RunnerResult analyzeMethod( @NotNull PsiElement psiBlock, InstructionVisitor visitor, boolean ignoreAssertions, @NotNull Collection<DfaMemoryState> initialStates) { try { prepareAnalysis(psiBlock, initialStates); final ControlFlow flow = createControlFlowAnalyzer().buildControlFlow(psiBlock, ignoreAssertions); if (flow == null) return RunnerResult.NOT_APPLICABLE; int endOffset = flow.getInstructionCount(); myInstructions = flow.getInstructions(); myFields = flow.getFields(); myNestedClosures.clear(); if (LOG.isDebugEnabled()) { LOG.debug("Analyzing code block: " + psiBlock.getText()); for (int i = 0; i < myInstructions.length; i++) { Instruction instruction = myInstructions[i]; LOG.debug(i + ": " + instruction.toString()); } } Integer tooExpensiveHash = psiBlock.getUserData(TOO_EXPENSIVE_HASH); if (tooExpensiveHash != null && tooExpensiveHash == psiBlock.getText().hashCode()) { LOG.debug("Too complex because hasn't changed since being too complex already"); return RunnerResult.TOO_COMPLEX; } final ArrayList<DfaInstructionState> queue = new ArrayList<DfaInstructionState>(); for (final DfaMemoryState initialState : initialStates) { queue.add(new DfaInstructionState(myInstructions[0], initialState)); } long timeLimit = ourTimeLimit; final boolean unitTestMode = ApplicationManager.getApplication().isUnitTestMode(); WorkingTimeMeasurer measurer = new WorkingTimeMeasurer(timeLimit); int count = 0; while (!queue.isEmpty()) { if (count % 50 == 0 && !unitTestMode && measurer.isTimeOver()) { LOG.debug("Too complex because the analysis took too long"); psiBlock.putUserData(TOO_EXPENSIVE_HASH, psiBlock.getText().hashCode()); return RunnerResult.TOO_COMPLEX; } ProgressManager.checkCanceled(); DfaInstructionState instructionState = queue.remove(0); if (LOG.isDebugEnabled()) { LOG.debug(instructionState.toString()); } // System.out.println(instructionState.toString()); Instruction instruction = instructionState.getInstruction(); long distance = instructionState.getDistanceFromStart(); if (instruction instanceof BranchingInstruction) { if (!instruction.setMemoryStateProcessed( instructionState.getMemoryState().createCopy())) { LOG.debug("Too complex because too many different possible states"); return RunnerResult.TOO_COMPLEX; // Too complex :( } } DfaInstructionState[] after = acceptInstruction(visitor, instructionState); for (DfaInstructionState state : after) { Instruction nextInstruction = state.getInstruction(); if ((!(nextInstruction instanceof BranchingInstruction) || !nextInstruction.isMemoryStateProcessed(state.getMemoryState())) && instruction.getIndex() < endOffset) { state.setDistanceFromStart(distance + 1); queue.add(state); } } count++; } psiBlock.putUserData(TOO_EXPENSIVE_HASH, null); LOG.debug("Analysis ok"); return RunnerResult.OK; } catch (ArrayIndexOutOfBoundsException e) { LOG.error(psiBlock.getText(), e); // TODO fix in better times return RunnerResult.ABORTED; } catch (EmptyStackException e) { if (LOG.isDebugEnabled()) { LOG.error(e); // TODO fix in better times } return RunnerResult.ABORTED; } }
@Override public void writeExternal(Element element) throws WriteExternalException { PsiDocumentManager.getInstance(myProject).commitAllDocuments(); if (myPsiElements.isEmpty() && myRangeMarkers.isEmpty() && mySerializedElements.isEmpty()) { throw new WriteExternalException(); } if (mySerializedElements.isEmpty()) { for (SmartPsiElementPointer<PsiElement> ptr : myPsiElements) { PsiElement psiElement = ptr.getElement(); if (psiElement == null || !psiElement.isValid()) { continue; } FoldingInfo fi = psiElement.getUserData(FOLDING_INFO_KEY); boolean state = fi != null && fi.expanded; String signature = FoldingPolicy.getSignature(psiElement); if (signature == null) { continue; } PsiFile containingFile = psiElement.getContainingFile(); PsiElement restoredElement = FoldingPolicy.restoreBySignature(containingFile, signature); if (!psiElement.equals(restoredElement)) { StringBuilder trace = new StringBuilder(); PsiElement restoredAgain = FoldingPolicy.restoreBySignature(containingFile, signature, trace); LOG.error( "element: " + psiElement + "(" + psiElement.getText() + "); restoredElement: " + restoredElement + "; signature: '" + signature + "'; file: " + containingFile + "; injected: " + InjectedLanguageManager.getInstance(myProject) .isInjectedFragment(containingFile) + "; languages: " + containingFile.getViewProvider().getLanguages() + "; restored again: " + restoredAgain + "; restore produces same results: " + (restoredAgain == restoredElement) + "; trace:\n" + trace); } Element e = new Element(ELEMENT_TAG); e.setAttribute(SIGNATURE_ATT, signature); e.setAttribute(EXPANDED_ATT, Boolean.toString(state)); element.addContent(e); } } else { // get back postponed state (before folding initialization) for (SerializedPsiElement entry : mySerializedElements) { Element e = new Element(ELEMENT_TAG); e.setAttribute(SIGNATURE_ATT, entry.mySerializedElement); e.setAttribute(EXPANDED_ATT, Boolean.toString(entry.myFoldingInfo.getExpanded())); element.addContent(e); } } String date = null; for (RangeMarker marker : myRangeMarkers) { FoldingInfo fi = marker.getUserData(FOLDING_INFO_KEY); boolean state = fi != null && fi.expanded; Element e = new Element(MARKER_TAG); if (date == null) { date = getTimeStamp(); } if (date.isEmpty()) { continue; } e.setAttribute(DATE_ATT, date); e.setAttribute(EXPANDED_ATT, Boolean.toString(state)); String signature = Integer.valueOf(marker.getStartOffset()) + ":" + Integer.valueOf(marker.getEndOffset()); e.setAttribute(SIGNATURE_ATT, signature); String placeHolderText = fi == null ? DEFAULT_PLACEHOLDER : fi.placeHolder; e.setAttribute(PLACEHOLDER_ATT, placeHolderText); element.addContent(e); } }
@Override public void setToEditor(@NotNull final Editor editor) { assertDispatchThread(); final PsiManager psiManager = PsiManager.getInstance(myProject); if (psiManager.isDisposed()) return; if (!myFile.isValid()) return; final PsiFile psiFile = psiManager.findFile(myFile); if (psiFile == null) return; if (!mySerializedElements.isEmpty()) { // Restore postponed state assert myPsiElements.isEmpty() : "Sequential deserialization"; for (SerializedPsiElement entry : mySerializedElements) { PsiElement restoredElement = FoldingPolicy.restoreBySignature(psiFile, entry.mySerializedElement); if (restoredElement != null && restoredElement.isValid()) { myPsiElements.add( SmartPointerManager.getInstance(myProject) .createSmartPsiElementPointer(restoredElement)); restoredElement.putUserData(FOLDING_INFO_KEY, entry.myFoldingInfo); } } mySerializedElements.clear(); } Map<PsiElement, FoldingDescriptor> ranges = null; for (SmartPsiElementPointer<PsiElement> ptr : myPsiElements) { PsiElement element = ptr.getElement(); if (element == null || !element.isValid()) { continue; } if (ranges == null) { ranges = buildRanges(editor, psiFile); } FoldingDescriptor descriptor = ranges.get(element); if (descriptor == null) { continue; } TextRange range = descriptor.getRange(); FoldRegion region = FoldingUtil.findFoldRegion(editor, range.getStartOffset(), range.getEndOffset()); if (region != null) { FoldingInfo fi = element.getUserData(FOLDING_INFO_KEY); boolean state = fi != null && fi.expanded; region.setExpanded(state); } } for (RangeMarker marker : myRangeMarkers) { if (!marker.isValid()) { continue; } FoldRegion region = FoldingUtil.findFoldRegion(editor, marker.getStartOffset(), marker.getEndOffset()); FoldingInfo info = marker.getUserData(FOLDING_INFO_KEY); if (region == null) { if (info != null) { region = editor .getFoldingModel() .addFoldRegion(marker.getStartOffset(), marker.getEndOffset(), info.placeHolder); } if (region == null) { return; } } boolean state = info != null && info.expanded; region.setExpanded(state); } }
private static MultiHostRegistrarImpl probeElementsUp( @NotNull PsiElement element, @NotNull PsiFile hostPsiFile, boolean probeUp) { PsiManager psiManager = hostPsiFile.getManager(); final Project project = psiManager.getProject(); InjectedLanguageManagerImpl injectedManager = InjectedLanguageManagerImpl.getInstanceImpl(project); if (injectedManager == null) { return null; // for tests } MultiHostRegistrarImpl registrar = null; PsiElement current = element; nextParent: while (current != null && current != hostPsiFile) { ProgressManager.checkCanceled(); if ("EL".equals(current.getLanguage().getID())) break; ParameterizedCachedValue<MultiHostRegistrarImpl, PsiElement> data = current.getUserData(INJECTED_PSI); if (data == null) { registrar = InjectedPsiCachedValueProvider.doCompute( current, injectedManager, project, hostPsiFile); } else { registrar = data.getValue(current); } current = current.getParent(); // cache no injection for current if (registrar != null) { List<Pair<Place, PsiFile>> places = registrar.getResult(); // check that injections found intersect with queried element TextRange elementRange = element.getTextRange(); for (Pair<Place, PsiFile> pair : places) { Place place = pair.first; for (PsiLanguageInjectionHost.Shred shred : place) { if (shred.getHost().getTextRange().intersects(elementRange)) { if (place.isValid()) break nextParent; } } } } if (!probeUp) { break; } } if (probeUp) { // cache only if we walked all parents for (PsiElement e = element; e != current && e != null && e != hostPsiFile; e = e.getParent()) { ProgressManager.checkCanceled(); if (registrar == null) { e.putUserData(INJECTED_PSI, null); } else { ParameterizedCachedValue<MultiHostRegistrarImpl, PsiElement> cachedValue = CachedValuesManager.getManager(project) .createParameterizedCachedValue(INJECTED_PSI_PROVIDER, false); CachedValueProvider.Result<MultiHostRegistrarImpl> result = CachedValueProvider.Result.create( registrar, PsiModificationTracker.MODIFICATION_COUNT, registrar); ((PsiParameterizedCachedValue<MultiHostRegistrarImpl, PsiElement>) cachedValue) .setValue(result); e.putUserData(INJECTED_PSI, cachedValue); } } } return registrar; }
@Override @Nullable public String generateDoc(PsiElement element, PsiElement originalElement) { if (element instanceof CustomMembersGenerator.GdslNamedParameter) { CustomMembersGenerator.GdslNamedParameter parameter = (CustomMembersGenerator.GdslNamedParameter) element; String result = "<pre><b>" + parameter.getName() + "</b>"; if (parameter.myParameterTypeText != null) { result += ": " + parameter.myParameterTypeText; } result += "</pre>"; if (parameter.docString != null) { result += "<p>" + parameter.docString; } return result; } if (element instanceof GrReferenceExpression) { return getMethodCandidateInfo((GrReferenceExpression) element); } element = getDocumentationElement(element, originalElement); if (element == null) return null; String standard = element.getNavigationElement() instanceof PsiDocCommentOwner ? JavaDocumentationProvider.generateExternalJavadoc(element) : null; if (element instanceof GrVariable && ((GrVariable) element).getTypeElementGroovy() == null && standard != null) { final String truncated = StringUtil.trimEnd(standard, BODY_HTML); StringBuilder buffer = new StringBuilder(truncated); buffer.append("<p>"); if (originalElement != null) { appendInferredType(originalElement, (GrVariable) element, buffer); } else if (element.getParent() instanceof GrVariableDeclaration) { appendInferredType(element.getParent(), (GrVariable) element, buffer); } if (!truncated.equals(standard)) { buffer.append(BODY_HTML); } standard = buffer.toString(); } String gdslDoc = element.getUserData(NonCodeMembersHolder.DOCUMENTATION); if (gdslDoc != null) { if (standard != null) { String truncated = StringUtil.trimEnd(standard, BODY_HTML); String appended = truncated + "<p>" + gdslDoc; if (truncated.equals(standard)) { return appended; } return appended + BODY_HTML; } return gdslDoc; } return standard; }
public void replace(final ReplacementInfo info, ReplaceOptions options) { PsiElement elementToReplace = info.getMatch(0); PsiElement elementParent = elementToReplace.getParent(); String replacementToMake = info.getReplacement(); Project project = myContext.getProject(); PsiElement el = findRealSubstitutionElement(elementToReplace); boolean listContext = isListContext(el); if (el instanceof PsiAnnotation && !StringUtil.startsWithChar(replacementToMake, '@')) { replacementToMake = "@" + replacementToMake; } PsiElement[] statements = ReplacerUtil.createTreeForReplacement( replacementToMake, el instanceof PsiMember && !isSymbolReplacement(el) ? PatternTreeContext.Class : PatternTreeContext.Block, myContext); if (listContext) { if (statements.length > 1) { elementParent.addRangeBefore( statements[0], statements[statements.length - 1], elementToReplace); } else if (statements.length == 1) { PsiElement replacement = getMatchExpr(statements[0], elementToReplace); handleModifierList(el, replacement); replacement = handleSymbolReplacement(replacement, el); if (replacement instanceof PsiTryStatement) { final List<PsiCatchSection> unmatchedCatchSections = el.getUserData(JavaMatchingVisitor.UNMATCHED_CATCH_SECTION_CONTENT_VAR_KEY); final PsiCatchSection[] catches = ((PsiTryStatement) replacement).getCatchSections(); if (unmatchedCatchSections != null) { for (int i = unmatchedCatchSections.size() - 1; i >= 0; --i) { final PsiParameter parameter = unmatchedCatchSections.get(i).getParameter(); final PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory(); final PsiCatchSection catchSection = elementFactory.createCatchSection(parameter.getType(), parameter.getName(), null); catchSection.getCatchBlock().replace(unmatchedCatchSections.get(i).getCatchBlock()); replacement.addAfter(catchSection, catches[catches.length - 1]); replacement.addBefore(createWhiteSpace(replacement), replacement.getLastChild()); } } } try { final PsiElement inserted = elementParent.addBefore(replacement, elementToReplace); if (replacement instanceof PsiComment && (elementParent instanceof PsiIfStatement || elementParent instanceof PsiLoopStatement)) { elementParent.addAfter(createSemicolon(replacement), inserted); } } catch (IncorrectOperationException e) { elementToReplace.replace(replacement); } } } else if (statements.length > 0) { PsiElement replacement = ReplacerUtil.copySpacesAndCommentsBefore( elementToReplace, statements, replacementToMake, elementParent); replacement = getMatchExpr(replacement, elementToReplace); if (replacement instanceof PsiStatement && !(replacement.getLastChild() instanceof PsiJavaToken) && !(replacement.getLastChild() instanceof PsiComment)) { // assert w/o ; final PsiElement prevLastChildInParent = replacement.getLastChild().getPrevSibling(); if (prevLastChildInParent != null) { elementParent.addRangeBefore(replacement.getFirstChild(), prevLastChildInParent, el); } else { elementParent.addBefore(replacement.getFirstChild(), el); } el.getNode().getTreeParent().removeChild(el.getNode()); } else { // preserve comments handleModifierList(el, replacement); if (replacement instanceof PsiClass) { // modifier list final PsiStatement[] searchStatements = getCodeBlock().getStatements(); if (searchStatements.length > 0 && searchStatements[0] instanceof PsiDeclarationStatement && ((PsiDeclarationStatement) searchStatements[0]).getDeclaredElements()[0] instanceof PsiClass) { final PsiClass replaceClazz = (PsiClass) replacement; final PsiClass queryClazz = (PsiClass) ((PsiDeclarationStatement) searchStatements[0]).getDeclaredElements()[0]; final PsiClass clazz = (PsiClass) el; if (replaceClazz.getExtendsList().getTextLength() == 0 && queryClazz.getExtendsList().getTextLength() == 0 && clazz.getExtendsList().getTextLength() != 0) { replaceClazz.addBefore( clazz.getExtendsList().getPrevSibling(), replaceClazz.getExtendsList()); // whitespace replaceClazz .getExtendsList() .addRange( clazz.getExtendsList().getFirstChild(), clazz.getExtendsList().getLastChild()); } if (replaceClazz.getImplementsList().getTextLength() == 0 && queryClazz.getImplementsList().getTextLength() == 0 && clazz.getImplementsList().getTextLength() != 0) { replaceClazz.addBefore( clazz.getImplementsList().getPrevSibling(), replaceClazz.getImplementsList()); // whitespace replaceClazz .getImplementsList() .addRange( clazz.getImplementsList().getFirstChild(), clazz.getImplementsList().getLastChild()); } if (replaceClazz.getTypeParameterList().getTextLength() == 0 && queryClazz.getTypeParameterList().getTextLength() == 0 && clazz.getTypeParameterList().getTextLength() != 0) { // skip < and > replaceClazz.getTypeParameterList().replace(clazz.getTypeParameterList()); } } } replacement = handleSymbolReplacement(replacement, el); el.replace(replacement); } } else { final PsiElement nextSibling = el.getNextSibling(); el.delete(); if (nextSibling instanceof PsiWhiteSpace && nextSibling.isValid()) { nextSibling.delete(); } } if (listContext) { final int matchSize = info.getMatchesCount(); for (int i = 0; i < matchSize; ++i) { PsiElement matchElement = info.getMatch(i); PsiElement element = findRealSubstitutionElement(matchElement); if (element == null) continue; PsiElement firstToDelete = element; PsiElement lastToDelete = element; PsiElement prevSibling = element.getPrevSibling(); PsiElement nextSibling = element.getNextSibling(); if (prevSibling instanceof PsiWhiteSpace) { firstToDelete = prevSibling; prevSibling = prevSibling != null ? prevSibling.getPrevSibling() : null; } else if (prevSibling == null && nextSibling instanceof PsiWhiteSpace) { lastToDelete = nextSibling; } if (nextSibling instanceof XmlText && i + 1 < matchSize) { final PsiElement next = info.getMatch(i + 1); if (next != null && next == nextSibling.getNextSibling()) { lastToDelete = nextSibling; } } if (element instanceof PsiExpression) { final PsiElement parent = element.getParent().getParent(); if ((parent instanceof PsiCall || parent instanceof PsiAnonymousClass) && prevSibling instanceof PsiJavaToken && ((PsiJavaToken) prevSibling).getTokenType() == JavaTokenType.COMMA) { firstToDelete = prevSibling; } } else if (element instanceof PsiParameter && prevSibling instanceof PsiJavaToken && ((PsiJavaToken) prevSibling).getTokenType() == JavaTokenType.COMMA) { firstToDelete = prevSibling; } element.getParent().deleteChildRange(firstToDelete, lastToDelete); } } }
@NotNull final RunnerResult analyzeMethod( @NotNull PsiElement psiBlock, @NotNull InstructionVisitor visitor, boolean ignoreAssertions, @NotNull Collection<DfaMemoryState> initialStates) { if (PsiTreeUtil.findChildOfType(psiBlock, OuterLanguageElement.class) != null) return RunnerResult.NOT_APPLICABLE; try { final ControlFlow flow = new ControlFlowAnalyzer(myValueFactory, psiBlock, ignoreAssertions).buildControlFlow(); if (flow == null) return RunnerResult.NOT_APPLICABLE; int[] loopNumber = LoopAnalyzer.calcInLoop(flow); int endOffset = flow.getInstructionCount(); myInstructions = flow.getInstructions(); myNestedClosures.clear(); Set<Instruction> joinInstructions = ContainerUtil.newHashSet(); for (int index = 0; index < myInstructions.length; index++) { Instruction instruction = myInstructions[index]; if (instruction instanceof GotoInstruction) { joinInstructions.add(myInstructions[((GotoInstruction) instruction).getOffset()]); } else if (instruction instanceof ConditionalGotoInstruction) { joinInstructions.add( myInstructions[((ConditionalGotoInstruction) instruction).getOffset()]); } else if (instruction instanceof MethodCallInstruction && !((MethodCallInstruction) instruction).getContracts().isEmpty()) { joinInstructions.add(myInstructions[index + 1]); } } if (LOG.isDebugEnabled()) { LOG.debug("Analyzing code block: " + psiBlock.getText()); for (int i = 0; i < myInstructions.length; i++) { LOG.debug(i + ": " + myInstructions[i]); } } // for (int i = 0; i < myInstructions.length; i++) System.out.println(i + ": " + // myInstructions[i].toString()); Integer tooExpensiveHash = psiBlock.getUserData(TOO_EXPENSIVE_HASH); if (tooExpensiveHash != null && tooExpensiveHash == psiBlock.getText().hashCode()) { LOG.debug("Too complex because hasn't changed since being too complex already"); return RunnerResult.TOO_COMPLEX; } final StateQueue queue = new StateQueue(); for (final DfaMemoryState initialState : initialStates) { queue.offer(new DfaInstructionState(myInstructions[0], initialState)); } MultiMap<BranchingInstruction, DfaMemoryState> processedStates = MultiMap.createSet(); MultiMap<BranchingInstruction, DfaMemoryState> incomingStates = MultiMap.createSet(); long msLimit = shouldCheckTimeLimit() ? Registry.intValue("ide.dfa.time.limit.online") : Registry.intValue("ide.dfa.time.limit.offline"); WorkingTimeMeasurer measurer = new WorkingTimeMeasurer(msLimit * 1000 * 1000); int count = 0; while (!queue.isEmpty()) { List<DfaInstructionState> states = queue.getNextInstructionStates(joinInstructions); for (DfaInstructionState instructionState : states) { if (count++ % 1024 == 0 && measurer.isTimeOver()) { LOG.debug("Too complex because the analysis took too long"); psiBlock.putUserData(TOO_EXPENSIVE_HASH, psiBlock.getText().hashCode()); return RunnerResult.TOO_COMPLEX; } ProgressManager.checkCanceled(); if (LOG.isDebugEnabled()) { LOG.debug(instructionState.toString()); } // System.out.println(instructionState.toString()); Instruction instruction = instructionState.getInstruction(); if (instruction instanceof BranchingInstruction) { BranchingInstruction branching = (BranchingInstruction) instruction; Collection<DfaMemoryState> processed = processedStates.get(branching); if (processed.contains(instructionState.getMemoryState())) { continue; } if (processed.size() > MAX_STATES_PER_BRANCH) { LOG.debug("Too complex because too many different possible states"); return RunnerResult.TOO_COMPLEX; // Too complex :( } if (loopNumber[branching.getIndex()] != 0) { processedStates.putValue(branching, instructionState.getMemoryState().createCopy()); } } DfaInstructionState[] after = acceptInstruction(visitor, instructionState); for (DfaInstructionState state : after) { Instruction nextInstruction = state.getInstruction(); if (nextInstruction.getIndex() >= endOffset) { continue; } handleStepOutOfLoop( instruction, nextInstruction, loopNumber, processedStates, incomingStates, states, after, queue); if (nextInstruction instanceof BranchingInstruction) { BranchingInstruction branching = (BranchingInstruction) nextInstruction; if (processedStates.get(branching).contains(state.getMemoryState()) || incomingStates.get(branching).contains(state.getMemoryState())) { continue; } if (loopNumber[branching.getIndex()] != 0) { incomingStates.putValue(branching, state.getMemoryState().createCopy()); } } queue.offer(state); } } } psiBlock.putUserData(TOO_EXPENSIVE_HASH, null); LOG.debug("Analysis ok"); return RunnerResult.OK; } catch (ArrayIndexOutOfBoundsException e) { LOG.error(psiBlock.getText(), e); return RunnerResult.ABORTED; } catch (EmptyStackException e) { LOG.error(psiBlock.getText(), e); return RunnerResult.ABORTED; } }