jdk/test/hotspot/jtreg/compiler/lib/template_library/Value.java
2025-02-24 12:51:51 +01:00

72 lines
2.8 KiB
Java

/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.lib.template_library;
import java.util.ArrayList;
import java.util.List;
import java.util.HashSet;
import java.util.Random;
import jdk.test.lib.Utils;
import compiler.lib.template_framework.Template;
import compiler.lib.template_framework.Name;
import compiler.lib.template_framework.TemplateWithArgs;
import static compiler.lib.template_framework.Template.body;
import static compiler.lib.template_framework.Template.$;
import static compiler.lib.template_framework.Template.addName;
import static compiler.lib.template_framework.Template.weighNames;
import static compiler.lib.template_framework.Template.sampleName;
/**
* TODO: description
* How are we allowed to use this? To make sure that the Names are available!
*/
public record Value(Object defTokens, Object useTokens) {
private static final Random RANDOM = Utils.getRandomInstance();
private static int nextUniqueId = 0;
public static Value fromUseToken(Object useToken) {
return new Value("", useToken);
}
public static Value makeRandom(Type type) {
// TODO: more cases
// Method argument Names?
// Load from existing Name (e.g. variable or field).
if (RANDOM.nextInt(3) == 0 && weighNames(type, false) > 0) {
Name name = sampleName(type, false);
return fromUseToken(name.name());
}
// Define new field, load from it.
if (RANDOM.nextInt(4) == 0 && Library.CLASS_HOOK.isSet()) {
String fieldName = $("field") + "_" + (nextUniqueId++);
Name name = new Name(fieldName, type, false, 1);
Object value = type.con();
TemplateWithArgs def = Library.defineField(name, true, value);
return new Value(def, fieldName);
}
return fromUseToken(type.con());
}
}