52 lines
1.9 KiB
Java
52 lines
1.9 KiB
Java
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/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.lib.template_framework;
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import java.util.List;
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/**
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* This class collects code, i.e. {@link String}s or {@link List}s of {@link String}s.
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* All the {@link String}s are later collected in a {@link StringBuilder}. If we used a {@link StringBuilder}
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* directly to collect the {@link String}s, we could not as easily insert code at an "earlier" position, i.e.
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* reaching out to a {@link Hook#anchor}.
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*/
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sealed interface Code permits Code.Token, Code.CodeList {
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record Token(String s) implements Code {
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@Override
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public void renderTo(StringBuilder builder) {
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builder.append(s);
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}
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}
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record CodeList(List<Code> list) implements Code {
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@Override
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public void renderTo(StringBuilder builder) {
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list.forEach(code -> code.renderTo(builder));
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}
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}
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void renderTo(StringBuilder builder);
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}
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