Examples with Range com.intellij.util.Range used on opensource projects

Example 1 with Range

use of com.intellij.util.Range 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();
}

Example 2 with Range

use of com.intellij.util.Range in project intellij-plugins by JetBrains.

the class LoboHtmlPanel method scrollToMarkdownSrcOffset.

@Override
public void scrollToMarkdownSrcOffset(final int offset) {
    ApplicationManager.getApplication().invokeAndWait(() -> {
        final DOMNodeImpl root = myPanel.getRootNode();
        final Ref<Pair<Node, Integer>> resultY = new Ref<>();
        root.visit(new NodeVisitor() {

            @Override
            public void visit(Node node) {
                Node child = node.getFirstChild();
                while (child != null) {
                    final Range<Integer> range = nodeToSrcRange(child);
                    if (range != null && child instanceof DOMNodeImpl) {
                        int currentDist = Math.min(Math.abs(range.getFrom() - offset), Math.abs(range.getTo() - 1 - offset));
                        if (resultY.get() == null || resultY.get().getSecond() > currentDist) {
                            resultY.set(Pair.create(child, currentDist));
                        }
                    }
                    if (range == null || range.getTo() <= offset) {
                        child = child.getNextSibling();
                        continue;
                    }
                    if (range.getFrom() > offset) {
                        break;
                    }
                    if (range.getTo() > offset) {
                        visit(child);
                        break;
                    }
                }
            }
        });
        if (resultY.get() != null) {
            myPanel.scrollTo(resultY.get().getFirst());
            final RBlockViewport viewport = ((RBlock) myPanel.getBlockRenderable()).getRBlockViewport();
            final Rectangle renderBounds = myPanel.getBlockRenderable().getBounds();
            if (viewport.getY() + viewport.getHeight() - renderBounds.getHeight() > 0) {
                myPanel.scrollBy(0, -FOCUS_ELEMENT_DY);
            }
            myPanel.repaint();
        }
    }, ModalityState.NON_MODAL);
}

Example 3 with Range

use of com.intellij.util.Range in project intellij-community by JetBrains.

the class ToggleBreakpointEnabledAction method findLineBreakpoints.

@NotNull
private static Set<XLineBreakpoint> findLineBreakpoints(AnActionEvent e) {
    Project project = e.getProject();
    Editor editor = e.getData(CommonDataKeys.EDITOR);
    if (project == null || editor == null)
        return Collections.emptySet();
    XBreakpointManagerImpl breakpointManager = (XBreakpointManagerImpl) XDebuggerManager.getInstance(project).getBreakpointManager();
    XLineBreakpointManager lineBreakpointManager = breakpointManager.getLineBreakpointManager();
    Document document = editor.getDocument();
    Collection<Range<Integer>> lineRanges = new ArrayList<>();
    for (Caret caret : editor.getCaretModel().getAllCarets()) {
        lineRanges.add(new Range<>(document.getLineNumber(caret.getSelectionStart()), document.getLineNumber(caret.getSelectionEnd())));
    }
    Collection<XLineBreakpointImpl> breakpoints = lineBreakpointManager.getDocumentBreakpoints(document);
    HashSet<XLineBreakpoint> res = new HashSet<>();
    for (XLineBreakpointImpl breakpoint : breakpoints) {
        int line = breakpoint.getLine();
        for (Range<Integer> range : lineRanges) {
            if (range.isWithin(line)) {
                res.add(breakpoint);
            }
        }
    }
    return res;
}

Example 4 with Range

use of com.intellij.util.Range in project intellij-plugins by JetBrains.

the class MarkdownHtmlPanel method nodeToSrcRange.

@Nullable
protected static Range<Integer> nodeToSrcRange(@NotNull Node node) {
    if (!node.hasAttributes()) {
        return null;
    }
    final Node attribute = node.getAttributes().getNamedItem(HtmlGenerator.Companion.getSRC_ATTRIBUTE_NAME());
    if (attribute == null) {
        return null;
    }
    final List<String> startEnd = StringUtil.split(attribute.getNodeValue(), "..");
    if (startEnd.size() != 2) {
        return null;
    }
    return new Range<>(Integer.parseInt(startEnd.get(0)), Integer.parseInt(startEnd.get(1)));
}