Examples with DebugException com.oracle.truffle.api.debug.DebugException used on opensource projects

Example 31 with DebugException

use of com.oracle.truffle.api.debug.DebugException in project graal by oracle.

the class VariablesHandler method getDebugValue.

static DebugValue getDebugValue(DebugStackFrame frame, String value) {
    try {
        return frame.eval(value);
    } catch (DebugException de) {
    }
    DebugValue receiver = frame.getScope().getReceiver();
    if (receiver != null && value.equals(receiver.getName())) {
        return receiver;
    }
    DebugScope scope = frame.getScope();
    while (scope != null) {
        DebugValue debugValue = scope.getDeclaredValue(value);
        if (debugValue != null) {
            return debugValue;
        }
        scope = scope.getParent();
    }
    return null;
}

Example 32 with DebugException

use of com.oracle.truffle.api.debug.DebugException in project graal by oracle.

the class RemoteObject method initFromValue.

private boolean initFromValue() {
    DebugValue debugValue = valueValue;
    LanguageInfo originalLanguage = debugValue.getOriginalLanguage();
    // Setup the object with a language-specific value
    if (originalLanguage != null) {
        debugValue = debugValue.asInLanguage(originalLanguage);
    }
    PrintWriter err = context != null ? context.getErr() : null;
    this.typeInfo = TypeInfo.fromValue(debugValue, typeMark, originalLanguage, err);
    boolean readable = debugValue.isReadable();
    String toString;
    boolean addType = true;
    Object rawValue = null;
    String unserializable = null;
    boolean replicableRawValue = true;
    try {
        if (typeInfo.subtype == SUBTYPE.INTERNAL_ENTRY) {
            toString = createMapEntryDescription(debugValue, context.areToStringSideEffectsAllowed(), err);
            addType = false;
        } else if (readable) {
            SourceSection sourceSection;
            if (typeInfo.isFunction && (sourceSection = debugValue.getSourceLocation()) != null && sourceSection.isAvailable() && sourceSection.getSource().hasCharacters()) {
                toString = sourceSection.getCharacters().toString();
                addType = false;
            } else {
                toString = debugValue.toDisplayString(context.areToStringSideEffectsAllowed());
                if (typeInfo.type == TYPE.STRING || typeInfo.type == TYPE.SYMBOL) {
                    // The whole description is rendered as a String in quotes, or highlighted
                    // as a symbol. Do not prepend the type.
                    addType = false;
                }
            }
        } else {
            toString = InspectorExecutionContext.VALUE_NOT_READABLE;
            replicableRawValue = false;
        }
        if (readable && !typeInfo.isObject) {
            if (typeInfo.subtype == SUBTYPE.NULL && typeInfo.type == TYPE.OBJECT) {
                replicableRawValue = false;
            } else if (typeInfo.type == TYPE.UNDEFINED) {
                replicableRawValue = false;
            } else {
                if (debugValue.isBoolean()) {
                    rawValue = debugValue.asBoolean();
                } else if (debugValue.isNumber()) {
                    rawValue = TypeInfo.toNumber(debugValue);
                    if (!isFinite((Number) rawValue)) {
                        unserializable = rawValue.toString();
                        rawValue = null;
                    }
                } else {
                    replicableRawValue = false;
                    rawValue = toString;
                }
            }
        }
    } catch (DebugException ex) {
        if (err != null && ex.isInternalError()) {
            err.println(debugValue.getName() + " toDisplayString() has caused: " + ex);
            ex.printStackTrace(err);
        }
        throw ex;
    }
    this.value = rawValue;
    this.replicableValue = replicableRawValue;
    this.unserializableValue = unserializable;
    if (addType && typeInfo.descriptionType != null && !typeInfo.descriptionType.equals(toString)) {
        this.description = typeInfo.descriptionType + ((toString != null && !toString.isEmpty()) ? " " + toString : "");
    } else {
        this.description = toString;
    }
    if (typeInfo.isObject && addType && typeInfo.isJS && generatePreview) {
        try {
            this.preview = ObjectPreview.create(debugValue, typeInfo.type, typeInfo.subtype, context.areToStringSideEffectsAllowed(), originalLanguage, err);
        } catch (DebugException ex) {
            if (err != null && ex.isInternalError()) {
                err.println(debugValue.getName() + " preview has caused: " + ex);
                ex.printStackTrace(err);
            }
        }
    }
    if (readable && context != null && context.isCustomObjectFormatterEnabled()) {
        if (originalLanguage != null) {
            try {
                this.customPreview = CustomPreview.create(debugValue, originalLanguage, context);
            } catch (DebugException ex) {
                if (err != null) {
                    if (ex.isInternalError()) {
                        err.println(debugValue.getName() + " custom preview has caused: " + ex);
                        ex.printStackTrace(err);
                    } else {
                        err.println("Custom Formatter Failed: " + ex.getLocalizedMessage());
                    }
                }
            }
        }
    }
    return typeInfo.isObject;
}

Example 33 with DebugException

use of com.oracle.truffle.api.debug.DebugException in project graal by oracle.

the class RemoteObject method createJSONResultValue.

/**
 * Create a JSON object representing the provided {@link DebugValue}. Use when a reply by value
 * is requested.
 */
public static JSONObject createJSONResultValue(DebugValue debugValue, boolean allowToStringSideEffects, PrintWriter err) {
    JSONObject json = new JSONObject();
    DebugValue metaObject = getMetaObject(debugValue, null, err);
    boolean isObject = TypeInfo.isObject(debugValue, err);
    boolean isJS = LanguageChecks.isJS(debugValue.getOriginalLanguage());
    String vtype = null;
    if (metaObject != null & isJS) {
        try {
            Collection<DebugValue> properties = metaObject.getProperties();
            if (properties != null) {
                for (DebugValue prop : properties) {
                    String name = prop.getName();
                    if ("type".equals(name)) {
                        vtype = toMetaName(prop, err);
                    }
                }
            }
        } catch (DebugException ex) {
            if (err != null && ex.isInternalError()) {
                err.println("getProperties of meta object of (" + debugValue.getName() + ") has caused: " + ex);
                ex.printStackTrace(err);
            }
            throw ex;
        }
    }
    if (vtype == null) {
        if (isObject) {
            vtype = "object";
        } else {
            vtype = (metaObject != null) ? toString(metaObject, allowToStringSideEffects, err) : "object";
        }
    }
    json.put("type", vtype);
    String[] unserializablePtr = new String[1];
    try {
        json.putOpt("value", createJSONValue(debugValue, allowToStringSideEffects, unserializablePtr, err));
    } catch (DebugException ex) {
        if (err != null && ex.isInternalError()) {
            err.println("getProperties(" + debugValue.getName() + ") has caused: " + ex);
            ex.printStackTrace(err);
        }
        throw ex;
    }
    json.putOpt("unserializableValue", unserializablePtr[0]);
    return json;
}

Example 34 with DebugException

use of com.oracle.truffle.api.debug.DebugException in project graal by oracle.

the class LanguageExceptionsTest method testBuggyLanguageCalls.

private void testBuggyLanguageCalls(ProxyLanguage language, SuspendedCallback callback, String prefix) {
    ProxyLanguage.setDelegate(language);
    DebuggerSession session = tester.startSession();
    session.suspendNextExecution();
    Source source = Source.create(ProxyLanguage.ID, prefix + "1");
    tester.startEval(source);
    tester.expectSuspended((SuspendedEvent event) -> {
        try {
            callback.onSuspend(event);
            Assert.fail("No DebugException is thrown!");
        } catch (DebugException dex) {
            Assert.assertEquals("1", dex.getLocalizedMessage());
            verifyExStack(dex, IllegalStateException.class.getName());
        } catch (Throwable t) {
            Assert.fail(t.getLocalizedMessage());
        }
    });
    tester.expectDone();
    source = Source.create(ProxyLanguage.ID, prefix + "2");
    session.suspendNextExecution();
    tester.startEval(source);
    tester.expectSuspended((SuspendedEvent event) -> {
        try {
            callback.onSuspend(event);
            Assert.fail("No DebugException is thrown!");
        } catch (DebugException dex) {
            Assert.assertEquals("A TruffleException", dex.getLocalizedMessage());
            Assert.assertNull(Objects.toString(dex.getCause()), dex.getCause());
        } catch (Throwable t) {
            Assert.fail(t.getLocalizedMessage());
        }
    });
    tester.expectDone();
    source = Source.create(ProxyLanguage.ID, prefix + "3");
    session.suspendNextExecution();
    tester.startEval(source);
    tester.expectSuspended((SuspendedEvent event) -> {
        try {
            callback.onSuspend(event);
            Assert.fail("No DebugException is thrown!");
        } catch (DebugException dex) {
            Assert.assertEquals("3", dex.getLocalizedMessage());
            verifyExStack(dex, AssertionError.class.getName());
        } catch (Throwable t) {
            Assert.fail(t.getLocalizedMessage());
        }
    });
    tester.expectDone();
}