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

Example 26 with PyObject

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

the class InterpretEvaluator method evalListComp.

private PyObject evalListComp(PyObject context, PyObject node) {
    PyObject elt = this.runtime.getattr(node, "elt");
    PyObject generators = this.runtime.getattr(node, "generators");
    List<PyObject> generatorList = this.runtime.toList(generators);
    List<PyObject> resultList = new ArrayList<>();
    PyLexicalScopeProxyObject lexicalContext = new PyLexicalScopeProxyObject(context);
    evalGenerators(lexicalContext, elt, generatorList, resultList);
    return this.runtime.list(resultList);
}

Example 27 with PyObject

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

the class InterpretEvaluator method assign.

private void assign(PyObject context, PyObject target, PyObject evalValue) {
    if (target instanceof PyNameType) {
        PyObject id = this.runtime.getattr(target, "id");
        context.getScope().put(id.toJava(String.class), evalValue);
    } else {
        LinkedHashMap<String, PyObject> assignMap = new LinkedHashMap<>();
        unpack(context, target, evalValue, assignMap);
        for (Map.Entry<String, PyObject> e : assignMap.entrySet()) {
            context.getScope().put(e.getKey(), e.getValue());
        }
    }
}

Example 28 with PyObject

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

the class InterpretEvaluator method evalUnaryOp.

private PyObject evalUnaryOp(PyObject context, PyObject node) {
    PyObject op = this.runtime.getattr(node, "op");
    PyObject operand = this.runtime.getattr(node, "operand");
    PyObject evalOperand = eval(context, operand);
    PyObject uAddType = this.runtime.typeOrThrow("_ast.UAdd");
    PyObject uSubType = this.runtime.typeOrThrow("_ast.USub");
    PyObject invertType = this.runtime.typeOrThrow("_ast.Invert");
    PyObject notType = this.runtime.typeOrThrow("_ast.Not");
    if (this.runtime.isInstance(op, uAddType)) {
        PyObject pos = this.runtime.getattr(evalOperand, __pos__);
        return pos.call(evalOperand);
    } else if (this.runtime.isInstance(op, uSubType)) {
        PyObject pos = this.runtime.getattr(evalOperand, __neg__);
        return pos.call(evalOperand);
    } else if (this.runtime.isInstance(op, invertType)) {
        PyObject pos = this.runtime.getattr(evalOperand, __invert__);
        return pos.call(evalOperand);
    } else if (this.runtime.isInstance(op, notType)) {
        PyObject bool = this.runtime.getattr(evalOperand, __bool__);
        PyObject result = bool.call(evalOperand);
        if (result.isTrue()) {
            return this.runtime.False();
        } else {
            return this.runtime.True();
        }
    } else {
        throw this.runtime.newRaiseTypeError("Unknown op");
    }
}

Example 29 with PyObject

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

the class InterpretEvaluator method evalName.

private PyObject evalName(PyObject context, PyObject node) {
    PyObject ctx = this.runtime.getattr(node, "ctx");
    PyObject ctxType = ctx.getType();
    if (ctxType instanceof PyLoadType) {
        PyObject id = this.runtime.getattr(node, "id");
        String name = id.toJava(String.class);
        return this.runtime.getattrOptional(context, name).orElseThrow(() -> this.runtime.newRaiseException("builtins.NameError", "name '" + name + "' is not defined"));
    } else if (ctxType instanceof PyStoreType) {
        return context;
    }
    // TODO どうする？
    return node;
}

Example 30 with PyObject

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

the class InterpretEvaluator method evalAttribute.

private PyObject evalAttribute(PyObject context, PyObject node) {
    PyObject value = this.runtime.getattr(node, "value");
    PyObject attr = this.runtime.getattr(node, "attr");
    PyObject ctx = this.runtime.getattr(node, "ctx");
    PyObject evalValue = eval(context, value);
    PyObject ctxType = ctx.getType();
    if (ctxType instanceof PyLoadType) {
        return this.runtime.getattr(evalValue, attr.toJava(String.class));
    } else if (ctxType instanceof PyStoreType) {
        return evalValue;
    }
    // 　TODO どうする？
    return node;
}