Examples with NodeLibrary com.oracle.truffle.api.interop.NodeLibrary used on opensource projects

Example 11 with NodeLibrary

use of com.oracle.truffle.api.interop.NodeLibrary in project graal by oracle.

the class AbstractRequestHandler method getScope.

protected static Object getScope(TextDocumentSurrogate surrogate, InstrumentableNode node) {
    List<CoverageData> coverageData = surrogate.getCoverageData(((Node) node).getSourceSection());
    MaterializedFrame frame = null;
    if (coverageData != null) {
        CoverageData data = coverageData.stream().findFirst().orElse(null);
        if (data != null) {
            frame = data.getFrame();
        }
    }
    NodeLibrary nodeLibrary = NodeLibrary.getUncached(node);
    if (nodeLibrary.hasScope(node, frame)) {
        try {
            return nodeLibrary.getScope(node, frame, true);
        } catch (UnsupportedMessageException e) {
            throw CompilerDirectives.shouldNotReachHere(e);
        }
    } else {
        return null;
    }
}

Example 12 with NodeLibrary

use of com.oracle.truffle.api.interop.NodeLibrary in project graal by oracle.

the class SourceCodeEvaluator method evalWithCoverageData.

private EvaluationResult evalWithCoverageData(TextDocumentSurrogate textDocumentSurrogate, Node nearestNode) {
    if (!textDocumentSurrogate.hasCoverageData()) {
        return EvaluationResult.createEvaluationSectionNotReached();
    }
    List<CoverageData> dataBeforeNode = findCoverageDataBeforeNode(textDocumentSurrogate, nearestNode);
    if (dataBeforeNode == null || dataBeforeNode.isEmpty()) {
        return EvaluationResult.createEvaluationSectionNotReached();
    }
    CoverageData coverageData = dataBeforeNode.get(dataBeforeNode.size() - 1);
    if (((InstrumentableNode) nearestNode).hasTag(StandardTags.ReadVariableTag.class)) {
        // Shortcut for variables
        InteropUtils.VariableInfo[] variables = InteropUtils.getNodeObjectVariables((InstrumentableNode) nearestNode);
        if (variables.length == 1) {
            InteropUtils.VariableInfo var = variables[0];
            NodeLibrary nodeLibrary = NodeLibrary.getUncached(nearestNode);
            if (nodeLibrary.hasScope(nearestNode, coverageData.getFrame())) {
                try {
                    Object scope = nodeLibrary.getScope(nearestNode, coverageData.getFrame(), true);
                    if (INTEROP.isMemberReadable(scope, var.getName())) {
                        logger.fine("Coverage-based variable look-up");
                        Object value = INTEROP.readMember(scope, var.getName());
                        return EvaluationResult.createResult(value);
                    }
                } catch (UnknownIdentifierException | UnsupportedMessageException ex) {
                    throw CompilerDirectives.shouldNotReachHere(ex);
                }
            }
        }
    }
    LanguageInfo info = nearestNode.getRootNode().getLanguageInfo();
    String code = nearestNode.getSourceSection().getCharacters().toString();
    Source inlineEvalSource = Source.newBuilder(info.getId(), code, "in-line eval (hover request)").cached(false).build();
    ExecutableNode executableNode = env.parseInline(inlineEvalSource, nearestNode, coverageData.getFrame());
    CoverageEventNode coverageEventNode = coverageData.getCoverageEventNode();
    coverageEventNode.insertOrReplaceChild(executableNode);
    try {
        logger.fine("Trying coverage-based eval...");
        Object result = executableNode.execute(coverageData.getFrame());
        return EvaluationResult.createResult(result);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        coverageEventNode.clearChild();
    }
    return EvaluationResult.createEvaluationSectionNotReached();
}

Example 13 with NodeLibrary

use of com.oracle.truffle.api.interop.NodeLibrary in project graal by oracle.

the class DebugStackFrame method initName.

// Initialize the stack frame name while we're on the execution thread
private String initName() throws DebugException {
    verifyValidState(false);
    Node node;
    if (currentFrame == null) {
        node = getContext().getInstrumentedNode();
    } else {
        node = currentFrame.getCallNode();
        node = InstrumentableNode.findInstrumentableParent(node);
    }
    try {
        if (node != null) {
            Frame frame = findTruffleFrame(FrameAccess.READ_ONLY);
            NodeLibrary nodeLibrary = NodeLibrary.getUncached();
            if (nodeLibrary.hasRootInstance(node, frame)) {
                Object instance = nodeLibrary.getRootInstance(node, frame);
                InteropLibrary interop = InteropLibrary.getUncached();
                if (interop.hasExecutableName(instance)) {
                    return interop.asString(interop.getExecutableName(instance));
                }
            }
        }
        RootNode root = findCurrentRoot();
        if (root == null) {
            return null;
        }
        return root.getName();
    } catch (ThreadDeath td) {
        throw td;
    } catch (Throwable ex) {
        RootNode root = findCurrentRoot();
        LanguageInfo languageInfo = root != null ? root.getLanguageInfo() : null;
        throw DebugException.create(event.getSession(), ex, languageInfo);
    }
}

Example 14 with NodeLibrary

use of com.oracle.truffle.api.interop.NodeLibrary in project graal by oracle.

the class CompletionRequestHandler method fillCompletionsWithLocals.

private void fillCompletionsWithLocals(final TextDocumentSurrogate surrogate, Node nearestNode, List<CompletionItem> completions, MaterializedFrame frame) {
    NodeLibrary nodeLibrary = NodeLibrary.getUncached(nearestNode);
    if (nodeLibrary.hasScope(nearestNode, frame)) {
        try {
            Object scope = nodeLibrary.getScope(nearestNode, frame, true);
            fillCompletionsWithScopesValues(surrogate, completions, scope, CompletionItemKind.Variable, SORTING_PRIORITY_LOCALS);
        } catch (UnsupportedMessageException e) {
            throw CompilerDirectives.shouldNotReachHere(e);
        }
    }
}

Example 15 with NodeLibrary

use of com.oracle.truffle.api.interop.NodeLibrary in project graal by oracle.

the class DebugExprVarNode method findMemberAndType.

private Pair<Object, DebugExprType> findMemberAndType(VirtualFrame frameValue) {
    NodeLibrary nodeLibrary = NodeLibrary.getUncached();
    InteropLibrary interopLibrary = InteropLibrary.getUncached();
    try {
        LLVMDebuggerValue entries = (LLVMDebuggerValue) nodeLibrary.getScope(location, frameValue, true);
        if (interopLibrary.isMemberReadable(entries, name)) {
            Object member = interopLibrary.readMember(entries, name);
            LLVMDebuggerValue ldv = (LLVMDebuggerValue) member;
            Object metaObj = ldv.resolveMetaObject();
            DebugExprType type = DebugExprType.getTypeFromSymbolTableMetaObject(metaObj);
            return Pair.create(member, type);
        }
    } catch (ClassCastException e) {
        // OR metaObj is no primitive type
        throw DebugExprException.create(this, "\"%s\" cannot be casted to a LLVMDebuggerValue", name);
    } catch (UnsupportedMessageException e) {
        // should only happen if hasMembers == false
        throw DebugExprException.symbolNotFound(this, name, null);
    } catch (UnknownIdentifierException e) {
        throw DebugExprException.symbolNotFound(this, e.getUnknownIdentifier(), null);
    }
    // not found: no exception is thrown as this node might be a function name
    return Pair.create(null, DebugExprType.getVoidType());
}