Examples with SuspendContextImpl com.intellij.debugger.engine.SuspendContextImpl used on opensource projects

Example 1 with SuspendContextImpl

use of com.intellij.debugger.engine.SuspendContextImpl in project intellij-community by JetBrains.

the class StackCapturingLineBreakpoint method processLocatableEvent.

@Override
public boolean processLocatableEvent(SuspendContextCommandImpl action, LocatableEvent event) throws EventProcessingException {
    SuspendContextImpl suspendContext = action.getSuspendContext();
    if (suspendContext != null) {
        ThreadReferenceProxyImpl thread = suspendContext.getThread();
        if (thread != null) {
            DebugProcessImpl process = suspendContext.getDebugProcess();
            try {
                StackFrameProxyImpl frameProxy = ContainerUtil.getFirstItem(thread.forceFrames());
                if (frameProxy != null) {
                    Map<Object, List<StackFrameItem>> stacks = process.getUserData(CAPTURED_STACKS);
                    if (stacks == null) {
                        stacks = new CapturedStacksMap();
                        process.putUserData(CAPTURED_STACKS, Collections.synchronizedMap(stacks));
                    }
                    Value key = myCaptureEvaluator.evaluate(new EvaluationContextImpl(suspendContext, frameProxy));
                    if (key instanceof ObjectReference) {
                        List<StackFrameItem> frames = StackFrameItem.createFrames(suspendContext, true);
                        if (frames.size() > MAX_STACK_LENGTH) {
                            frames = frames.subList(0, MAX_STACK_LENGTH);
                        }
                        stacks.put(getKey((ObjectReference) key), frames);
                    }
                }
            } catch (EvaluateException e) {
                LOG.debug(e);
                process.printToConsole(DebuggerBundle.message("error.unable.to.evaluate.capture.expression", e.getMessage()) + "\n");
            }
        }
    }
    return false;
}

Example 2 with SuspendContextImpl

use of com.intellij.debugger.engine.SuspendContextImpl in project intellij-community by JetBrains.

the class ClassesFilteredView method doActivate.

private void doActivate() {
    myDebugSessionListener.setActive(true);
    myConstructorTrackedClasses.values().forEach(x -> x.setBackgroundMode(false));
    final SuspendContextImpl lastContext = myLastSuspendContext;
    if (lastContext == null || !lastContext.equals(getSuspendContext())) {
        updateClassesAndCounts();
    }
}

Example 3 with SuspendContextImpl

use of com.intellij.debugger.engine.SuspendContextImpl in project intellij-community by JetBrains.

the class DebuggerContextImpl method createEvaluationContext.

@Nullable
public EvaluationContextImpl createEvaluationContext() {
    DebuggerManagerThreadImpl.assertIsManagerThread();
    StackFrameProxyImpl frameProxy = getFrameProxy();
    ObjectReference objectReference;
    try {
        objectReference = frameProxy != null ? frameProxy.thisObject() : null;
    } catch (EvaluateException e) {
        LOG.info(e);
        objectReference = null;
    }
    SuspendContextImpl context = getSuspendContext();
    return context != null ? new EvaluationContextImpl(context, frameProxy, objectReference) : null;
}

Example 4 with SuspendContextImpl

use of com.intellij.debugger.engine.SuspendContextImpl in project intellij-community by JetBrains.

the class DebuggerContextCommandImpl method contextAction.

@Override
public final void contextAction(@NotNull SuspendContextImpl suspendContext) throws Exception {
    SuspendManager suspendManager = myDebuggerContext.getDebugProcess().getSuspendManager();
    boolean isSuspendedByContext;
    try {
        isSuspendedByContext = suspendManager.isSuspended(getThread());
    } catch (ObjectCollectedException ignored) {
        notifyCancelled();
        return;
    }
    if (isSuspendedByContext) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Context thread " + suspendContext.getThread());
            LOG.debug("Debug thread" + getThread());
        }
        threadAction(suspendContext);
    } else {
        // no suspend context currently available
        SuspendContextImpl suspendContextForThread = myCustomThread != null ? suspendContext : SuspendManagerUtil.findContextByThread(suspendManager, getThread());
        if (suspendContextForThread != null) {
            suspendContextForThread.postponeCommand(this);
        } else {
            notifyCancelled();
        }
    }
}

Example 5 with SuspendContextImpl

use of com.intellij.debugger.engine.SuspendContextImpl in project intellij-community by JetBrains.

the class JavaSmartStepIntoHandler method findSmartStepTargets.

protected List<SmartStepTarget> findSmartStepTargets(final SourcePosition position, @Nullable SuspendContextImpl suspendContext, @NotNull DebuggerContextImpl debuggerContext) {
    final int line = position.getLine();
    if (line < 0) {
        // the document has been changed
        return Collections.emptyList();
    }
    final PsiFile file = position.getFile();
    final VirtualFile vFile = file.getVirtualFile();
    if (vFile == null) {
        // the file is not physical
        return Collections.emptyList();
    }
    final Document doc = FileDocumentManager.getInstance().getDocument(vFile);
    if (doc == null)
        return Collections.emptyList();
    if (line >= doc.getLineCount()) {
        // the document has been changed
        return Collections.emptyList();
    }
    TextRange curLineRange = DocumentUtil.getLineTextRange(doc, line);
    PsiElement element = position.getElementAt();
    PsiElement body = DebuggerUtilsEx.getBody(DebuggerUtilsEx.getContainingMethod(element));
    final TextRange lineRange = (body != null) ? curLineRange.intersection(body.getTextRange()) : curLineRange;
    if (lineRange == null || lineRange.isEmpty()) {
        return Collections.emptyList();
    }
    if (element != null && !(element instanceof PsiCompiledElement)) {
        do {
            final PsiElement parent = element.getParent();
            if (parent == null || (parent.getTextOffset() < lineRange.getStartOffset())) {
                break;
            }
            element = parent;
        } while (true);
        //noinspection unchecked
        final List<SmartStepTarget> targets = new OrderedSet<>();
        final Ref<TextRange> textRange = new Ref<>(lineRange);
        final PsiElementVisitor methodCollector = new JavaRecursiveElementVisitor() {

            final Deque<PsiMethod> myContextStack = new LinkedList<>();

            final Deque<String> myParamNameStack = new LinkedList<>();

            private int myNextLambdaExpressionOrdinal = 0;

            private boolean myInsideLambda = false;

            @Nullable
            private String getCurrentParamName() {
                return myParamNameStack.peekFirst();
            }

            @Override
            public void visitAnonymousClass(PsiAnonymousClass aClass) {
                for (PsiMethod psiMethod : aClass.getMethods()) {
                    targets.add(0, new MethodSmartStepTarget(psiMethod, getCurrentParamName(), psiMethod.getBody(), true, null));
                }
            }

            public void visitLambdaExpression(PsiLambdaExpression expression) {
                boolean inLambda = myInsideLambda;
                myInsideLambda = true;
                super.visitLambdaExpression(expression);
                myInsideLambda = inLambda;
                targets.add(0, new LambdaSmartStepTarget(expression, getCurrentParamName(), expression.getBody(), myNextLambdaExpressionOrdinal++, null, !myInsideLambda));
            }

            @Override
            public void visitMethodReferenceExpression(PsiMethodReferenceExpression expression) {
                PsiElement element = expression.resolve();
                if (element instanceof PsiMethod) {
                    PsiElement navMethod = element.getNavigationElement();
                    if (navMethod instanceof PsiMethod) {
                        targets.add(0, new MethodSmartStepTarget(((PsiMethod) navMethod), null, expression, true, null));
                    }
                }
            }

            @Override
            public void visitField(PsiField field) {
                if (checkTextRange(field, false)) {
                    super.visitField(field);
                }
            }

            @Override
            public void visitMethod(PsiMethod method) {
                if (checkTextRange(method, false)) {
                    super.visitMethod(method);
                }
            }

            @Override
            public void visitStatement(PsiStatement statement) {
                if (checkTextRange(statement, true)) {
                    super.visitStatement(statement);
                }
            }

            @Override
            public void visitIfStatement(PsiIfStatement statement) {
                visitConditional(statement.getCondition(), statement.getThenBranch(), statement.getElseBranch());
            }

            @Override
            public void visitConditionalExpression(PsiConditionalExpression expression) {
                visitConditional(expression.getCondition(), expression.getThenExpression(), expression.getElseExpression());
            }

            private void visitConditional(@Nullable PsiElement condition, @Nullable PsiElement thenBranch, @Nullable PsiElement elseBranch) {
                if (condition != null && checkTextRange(condition, true)) {
                    condition.accept(this);
                }
                ThreeState conditionRes = evaluateCondition(condition);
                if (conditionRes != ThreeState.NO && thenBranch != null && checkTextRange(thenBranch, true)) {
                    thenBranch.accept(this);
                }
                if (conditionRes != ThreeState.YES && elseBranch != null && checkTextRange(elseBranch, true)) {
                    elseBranch.accept(this);
                }
            }

            private ThreeState evaluateCondition(@Nullable PsiElement condition) {
                if (condition != null && !DebuggerUtils.hasSideEffects(condition)) {
                    try {
                        ExpressionEvaluator evaluator = EvaluatorBuilderImpl.getInstance().build(condition, position);
                        return ThreeState.fromBoolean(DebuggerUtilsEx.evaluateBoolean(evaluator, debuggerContext.createEvaluationContext()));
                    } catch (EvaluateException e) {
                        LOG.info(e);
                    }
                }
                return ThreeState.UNSURE;
            }

            @Override
            public void visitExpression(PsiExpression expression) {
                checkTextRange(expression, true);
                super.visitExpression(expression);
            }

            boolean checkTextRange(@NotNull PsiElement expression, boolean expand) {
                TextRange range = expression.getTextRange();
                if (lineRange.intersects(range)) {
                    if (expand) {
                        textRange.set(textRange.get().union(range));
                    }
                    return true;
                }
                return false;
            }

            public void visitExpressionList(PsiExpressionList expressionList) {
                PsiMethod psiMethod = myContextStack.peekFirst();
                if (psiMethod != null) {
                    final String methodName = psiMethod.getName();
                    final PsiExpression[] expressions = expressionList.getExpressions();
                    final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
                    for (int idx = 0; idx < expressions.length; idx++) {
                        final String paramName = (idx < parameters.length && !parameters[idx].isVarArgs()) ? parameters[idx].getName() : "arg" + (idx + 1);
                        myParamNameStack.push(methodName + ": " + paramName + ".");
                        final PsiExpression argExpression = expressions[idx];
                        try {
                            argExpression.accept(this);
                        } finally {
                            myParamNameStack.pop();
                        }
                    }
                } else {
                    super.visitExpressionList(expressionList);
                }
            }

            @Override
            public void visitCallExpression(final PsiCallExpression expression) {
                final PsiMethod psiMethod = expression.resolveMethod();
                if (psiMethod != null) {
                    myContextStack.push(psiMethod);
                    targets.add(new MethodSmartStepTarget(psiMethod, null, expression instanceof PsiMethodCallExpression ? ((PsiMethodCallExpression) expression).getMethodExpression().getReferenceNameElement() : expression instanceof PsiNewExpression ? ((PsiNewExpression) expression).getClassOrAnonymousClassReference() : expression, myInsideLambda, null));
                }
                try {
                    super.visitCallExpression(expression);
                } finally {
                    if (psiMethod != null) {
                        myContextStack.pop();
                    }
                }
            }
        };
        element.accept(methodCollector);
        for (PsiElement sibling = element.getNextSibling(); sibling != null; sibling = sibling.getNextSibling()) {
            if (!lineRange.intersects(sibling.getTextRange())) {
                break;
            }
            sibling.accept(methodCollector);
        }
        Range<Integer> lines = new Range<>(doc.getLineNumber(textRange.get().getStartOffset()), doc.getLineNumber(textRange.get().getEndOffset()));
        targets.forEach(t -> t.setCallingExpressionLines(lines));
        if (!targets.isEmpty()) {
            StackFrameProxyImpl frameProxy = suspendContext != null ? suspendContext.getFrameProxy() : null;
            if (frameProxy != null) {
                try {
                    Location location = frameProxy.location();
                    MethodBytecodeUtil.visit(location.method(), location.codeIndex(), new MethodVisitor(Opcodes.API_VERSION) {

                        boolean myLineMatch = false;

                        @Override
                        public void visitLineNumber(int line, Label start) {
                            myLineMatch = lines.isWithin(line - 1);
                        }

                        @Override
                        public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
                            if (myLineMatch) {
                                targets.removeIf(t -> {
                                    if (t instanceof MethodSmartStepTarget) {
                                        return DebuggerUtilsEx.methodMatches(((MethodSmartStepTarget) t).getMethod(), owner.replace("/", "."), name, desc, suspendContext.getDebugProcess());
                                    }
                                    return false;
                                });
                            }
                        }
                    }, true);
                } catch (Exception e) {
                    LOG.info(e);
                }
            }
            return targets;
        }
    }
    return Collections.emptyList();
}