Examples with CafeBabePyException org.cafebabepy.runtime.CafeBabePyException used on opensource projects

Example 1 with CafeBabePyException

use of org.cafebabepy.runtime.CafeBabePyException in project cafebabepy by cafebabepy.

the class InterpretEvaluator method evalBinOp.

private PyObject evalBinOp(PyObject context, PyObject node) {
    PyObject left = this.runtime.getattr(node, "left");
    PyObject evalLeft = eval(context, left);
    PyObject right = this.runtime.getattr(node, "right");
    PyObject evalRight = eval(context, right);
    PyObject addType = this.runtime.typeOrThrow("_ast.Add");
    PyObject subType = this.runtime.typeOrThrow("_ast.Sub");
    PyObject modType = this.runtime.typeOrThrow("_ast.Mod");
    PyObject multType = this.runtime.typeOrThrow("_ast.Mult");
    PyObject op = this.runtime.getattr(node, "op");
    if (this.runtime.isInstance(op, addType)) {
        return this.runtime.add(evalLeft, evalRight);
    } else if (this.runtime.isInstance(op, subType)) {
        return this.runtime.sub(evalLeft, evalRight);
    } else if (this.runtime.isInstance(op, modType)) {
        return this.runtime.mod(evalLeft, evalRight);
    } else if (this.runtime.isInstance(op, multType)) {
        return this.runtime.mul(evalLeft, evalRight);
    }
    throw new CafeBabePyException("operator '" + op.getName() + "' not found");
}

Example 2 with CafeBabePyException

use of org.cafebabepy.runtime.CafeBabePyException in project cafebabepy by cafebabepy.

the class AbstractAbstractCafeBabePyAny method getBases.

@Override
public List<PyObject> getBases() {
    if (this.bases == null) {
        synchronized (this) {
            if (this.bases == null) {
                String[] baseNames = getBaseNames();
                List<PyObject> bases = new ArrayList<>(baseNames.length);
                for (String baseName : getBaseNames()) {
                    PyObject base = this.runtime.type(baseName, false).orElseThrow(() -> new CafeBabePyException("type '" + getName() + "' parent '" + baseName + "' is not found"));
                    bases.add(base);
                }
                this.bases = Collections.unmodifiableList(Collections.synchronizedList(bases));
            }
        }
    }
    return this.bases;
}

Example 3 with CafeBabePyException

use of org.cafebabepy.runtime.CafeBabePyException in project cafebabepy by cafebabepy.

the class PyJavaFunctionObject method call.

@Override
public PyObject call(PyObject... args) {
    PyObject target = this.targetType;
    Class<?> methodClass = this.method.getDeclaringClass();
    for (PyObject type : target.getTypes()) {
        Class<?> typeClass = type.getClass();
        if (methodClass.isAssignableFrom(typeClass)) {
            target = type;
            break;
        }
    }
    try {
        Object[] compArgs;
        Class<?>[] paramClasses = this.method.getParameterTypes();
        if (paramClasses.length == 0) {
            compArgs = new Object[0];
        } else {
            if (paramClasses.length == 1 && paramClasses[0].isArray()) {
                compArgs = new Object[] { args };
            } else if (paramClasses[paramClasses.length - 1].isArray()) {
                // Split argument and variable argument from args array
                if (args.length > 0) {
                    if (args.length - paramClasses.length >= 0) {
                        // Last argument is variable argument
                        compArgs = new Object[paramClasses.length];
                        PyObject[] lastArrayArg = new PyObject[args.length - compArgs.length + 1];
                        System.arraycopy(args, 0, compArgs, 0, compArgs.length - 1);
                        for (int i = 0; i < lastArrayArg.length; i++) {
                            lastArrayArg[i] = args[i + compArgs.length - 1];
                        }
                        compArgs[paramClasses.length - 1] = lastArrayArg;
                    } else {
                        compArgs = new Object[args.length + 1];
                        for (int i = 0; i < args.length; i++) {
                            if (args[i].getClass().isArray()) {
                                compArgs[i] = new PyObject[] { args[i] };
                            } else {
                                compArgs[i] = args[i];
                            }
                        }
                        compArgs[compArgs.length - 1] = new PyObject[0];
                    }
                } else {
                    compArgs = new Object[] { new PyObject[0] };
                }
            } else if (paramClasses.length != args.length) {
                throw this.runtime.newRaiseException("builtins.TypeError", this.name + "() takes at most " + paramClasses.length + " arguments (" + args.length + " given)");
            } else {
                compArgs = new Object[args.length];
                for (int i = 0; i < args.length; i++) {
                    Class<?> paramClass = args[i].getClass();
                    if (paramClass.isArray()) {
                        compArgs[i] = new PyObject[] { args[i] };
                    } else {
                        compArgs[i] = args[i];
                    }
                }
            }
        }
        Object result = this.method.invoke(target, compArgs);
        if (result == null) {
            return this.runtime.None();
        } else if (result instanceof PyObject) {
            return (PyObject) result;
        } else {
            // FIXME Java object to Python object
            throw new UnsupportedOperationException("FIXME Java object to Python object !!!!!!!!");
        }
    } catch (IllegalAccessException | IllegalArgumentException e) {
        // FIXME CPython message???
        throw new CafeBabePyException("Not accessible method " + this.method.getDeclaringClass().getName() + "#" + this.method.getName() + Arrays.stream(this.method.getParameterTypes()).map(Class::getName).collect(Collectors.joining(", ", " (", ")")), e);
    } catch (InvocationTargetException e) {
        Throwable targetException = e.getTargetException();
        if (targetException instanceof RuntimeException) {
            throw (RuntimeException) targetException;
        }
        throw new CafeBabePyException(targetException);
    }
}

Example 4 with CafeBabePyException

use of org.cafebabepy.runtime.CafeBabePyException in project cafebabepy by cafebabepy.

the class AbstractAbstractCafeBabePyAny method defineClassMember.

private void defineClassMember(Class<?> clazz) {
    // Check duplicate
    Set<String> defineClassMemberNamesSet = new HashSet<>();
    for (Method method : clazz.getMethods()) {
        // Same class method only
        if (clazz != method.getDeclaringClass()) {
            continue;
        }
        DefinePyFunction definePyFunction = method.getAnnotation(DefinePyFunction.class);
        if (definePyFunction == null) {
            continue;
        }
        if (defineClassMemberNamesSet.contains(definePyFunction.name())) {
            throw new CafeBabePyException("Duplicate '" + definePyFunction.name() + "' function");
        }
        PyJavaFunctionObject f = new PyJavaFunctionObject(getRuntime(), this, definePyFunction.name(), method);
        if (__call__.equals(f.getName())) {
            f.getScope().put(__call__, f);
        }
        getScope().put(f.getName(), f);
        defineClassMemberNamesSet.add(definePyFunction.name());
    }
}