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

Example 36 with PyObject

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

the class InterpretEvaluator method evalClassDef.

private PyObject evalClassDef(PyObject context, PyObject node) {
    PyObject name = this.runtime.getattr(node, "name");
    PyObject bases = this.runtime.getattr(node, "bases");
    PyObject keywords = this.runtime.getattr(node, "keywords");
    PyObject body = this.runtime.getattr(node, "body");
    PyObject decorator_list = this.runtime.getattr(node, "decorator_list");
    List<PyObject> baseList = new ArrayList<>();
    Set<String> duplicateCheckSet = new LinkedHashSet<>();
    this.runtime.iter(bases, base -> {
        boolean exists = !duplicateCheckSet.add(base.toJava(String.class));
        if (exists) {
            throw this.runtime.newRaiseTypeError("duplicate base class " + base.getName());
        }
        baseList.add(base);
    });
    String n = name.toJava(String.class);
    if (!context.isModule()) {
        n = context.getName() + "." + n;
    }
    PyObject clazz = new PyInterpretClassObject(this.runtime, context, n, baseList);
    context.getScope().put(name.toJava(String.class), clazz);
    eval(clazz, body);
    return this.runtime.None();
}

Example 37 with PyObject

use of org.cafebabepy.runtime.PyObject 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 38 with PyObject

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

the class InterpretEvaluator method evalFor.

private PyObject evalFor(PyObject context, PyObject node) {
    PyObject target = this.runtime.getattr(node, "target");
    PyObject iter = this.runtime.getattr(node, "iter");
    PyObject body = this.runtime.getattr(node, "body");
    PyObject orelse = this.runtime.getattr(node, "orelse");
    PyObject evalIter = eval(context, iter);
    this.runtime.iter(evalIter, next -> {
        assign(context, target, next);
        eval(context, body);
    });
    eval(context, orelse);
    return this.runtime.None();
}

Example 39 with PyObject

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

the class InterpretEvaluator method evalCall.

private PyObject evalCall(PyObject context, PyObject node) {
    PyObject func = this.runtime.getattr(node, "func");
    PyObject funcEval = eval(context, func);
    PyObject args = this.runtime.getattr(node, "args");
    PyObject[] argArray;
    if (args.isNone()) {
        argArray = new PyObject[0];
    } else {
        // FIXME array direct
        List<PyObject> argList = new ArrayList<>();
        this.runtime.iter(args, arg -> {
            PyObject evalArg = eval(context, arg);
            argList.add(evalArg);
        });
        argArray = new PyObject[argList.size()];
        argList.toArray(argArray);
    }
    PyObject result;
    try {
        result = funcEval.call(argArray);
    } catch (InterpretReturn re) {
        result = re.getValue();
    }
    return result;
}

Example 40 with PyObject

use of org.cafebabepy.runtime.PyObject 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;
}