/* * * * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * * * The Universal Permissive License (UPL), Version 1.0 * * * * Subject to the condition set forth below, permission is hereby granted to any * * person obtaining a copy of this software, associated documentation and/or * * data (collectively the "Software"), free of charge and under any and all * * copyright rights in the Software, and any and all patent rights owned or * * freely licensable by each licensor hereunder covering either (i) the * * unmodified Software as contributed to or provided by such licensor, or (ii) * * the Larger Works (as defined below), to deal in both * * * * (a) the Software, and * * * * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if * * one is included with the Software each a "Larger Work" to which the Software * * is contributed by such licensors), * * * * without restriction, including without limitation the rights to copy, create * * derivative works of, display, perform, and distribute the Software and make, * * use, sell, offer for sale, import, export, have made, and have sold the * * Software and the Larger Work(s), and to sublicense the foregoing rights on * * either these or other terms. * * * * This license is subject to the following condition: * * * * The above copyright notice and either this complete permission notice or at a * * minimum a reference to the UPL must be included in all copies or substantial * * portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * * SOFTWARE. * */ package ninja.soroosh.hashem.lang.builtins; import com.oracle.truffle.api.dsl.GenerateNodeFactory; import com.oracle.truffle.api.dsl.NodeChild; import com.oracle.truffle.api.dsl.UnsupportedSpecializationException; import com.oracle.truffle.api.frame.VirtualFrame; import com.oracle.truffle.api.nodes.UnexpectedResultException; import ninja.soroosh.hashem.lang.HashemException; import ninja.soroosh.hashem.lang.nodes.HashemExpressionNode; import ninja.soroosh.hashem.lang.runtime.HashemContext; import ninja.soroosh.hashem.lang.runtime.HashemBebinRegistry; /** * Base class for all builtin functions. It contains the Truffle DSL annotation {@link NodeChild} * that defines the function arguments.<br> * The builtin functions are registered in {@link HashemContext#installBuiltins}. Every builtin node * subclass is instantiated there, wrapped into a function, and added to the * {@link HashemBebinRegistry}. This ensures that builtin functions can be called like user-defined * functions; there is no special function lookup or call node for builtin functions. */ @NodeChild(value = "arguments", type = HashemExpressionNode[].class) @GenerateNodeFactory public abstract class HashemBuiltinNode extends HashemExpressionNode { @Override public final Object executeGeneric(VirtualFrame frame) { try { return execute(frame); } catch (UnsupportedSpecializationException e) { throw HashemException.typeError(e.getNode(), e.getSuppliedValues()); } } @Override public final boolean executeBoolean(VirtualFrame frame) throws UnexpectedResultException { return super.executeBoolean(frame); } @Override public final long executeLong(VirtualFrame frame) throws UnexpectedResultException { return super.executeLong(frame); } @Override public final void executeVoid(VirtualFrame frame) { super.executeVoid(frame); } protected abstract Object execute(VirtualFrame frame); }