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Truffle is a multi-language framework for executing dynamic languages
that achieves high performance when combined with Graal.
/*
* Copyright (c) 2019, 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
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* SOFTWARE.
*/
package com.oracle.truffle.api.impl;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.BlockNode;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.UnexpectedResultException;
final class DefaultBlockNode extends BlockNode {
final ElementExecutor executor;
DefaultBlockNode(T[] elements, ElementExecutor executor) {
super(elements);
this.executor = executor;
}
@Override
public Object executeGeneric(VirtualFrame frame, int arg) {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeGeneric(frame, e[last], last, arg);
}
@Override
public void executeVoid(VirtualFrame frame, int arg) {
ElementExecutor ex = this.executor;
T[] e = getElements();
for (int i = 0; i < e.length; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
}
@Override
public byte executeByte(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeByte(frame, e[last], last, arg);
}
@Override
public short executeShort(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeShort(frame, e[last], last, arg);
}
@Override
public char executeChar(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeChar(frame, e[last], last, arg);
}
@Override
public int executeInt(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeInt(frame, e[last], last, arg);
}
@Override
public long executeLong(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeLong(frame, e[last], last, arg);
}
@Override
public float executeFloat(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeFloat(frame, e[last], last, arg);
}
@Override
public double executeDouble(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeDouble(frame, e[last], last, arg);
}
@Override
public boolean executeBoolean(VirtualFrame frame, int arg) throws UnexpectedResultException {
ElementExecutor ex = this.executor;
T[] e = getElements();
int last = e.length - 1;
for (int i = 0; i < last; ++i) {
ex.executeVoid(frame, e[i], i, arg);
}
return ex.executeBoolean(frame, e[last], last, arg);
}
}