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Truffle Language Server backend implementation.
/*
* Copyright (c) 2020, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*
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package org.graalvm.tools.lsp.server.utils;
import java.net.URI;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Supplier;
import com.oracle.truffle.api.instrumentation.TruffleInstrument;
import com.oracle.truffle.api.nodes.LanguageInfo;
import com.oracle.truffle.api.source.Source;
public final class TextDocumentSurrogateMap {
private final TruffleInstrument.Env env;
private final Map uri2TextDocumentSurrogate = new HashMap<>();
public TextDocumentSurrogateMap(TruffleInstrument.Env env) {
this.env = env;
}
public TextDocumentSurrogate get(URI uri) {
return uri2TextDocumentSurrogate.get(uri);
}
public void put(URI uri, TextDocumentSurrogate surrogate) {
uri2TextDocumentSurrogate.put(uri, surrogate);
}
public TextDocumentSurrogate getOrCreateSurrogate(URI uri, LanguageInfo languageInfo) {
return uri2TextDocumentSurrogate.computeIfAbsent(uri,
(anUri) -> new TextDocumentSurrogate(env.getTruffleFile(anUri), languageInfo));
}
public TextDocumentSurrogate getOrCreateSurrogate(URI uri, Supplier languageInfoSupplier) {
return uri2TextDocumentSurrogate.computeIfAbsent(uri,
(anUri) -> {
LanguageInfo languageInfo = languageInfoSupplier.get();
return new TextDocumentSurrogate(env.getTruffleFile(anUri), languageInfo);
});
}
public Collection getSurrogates() {
return uri2TextDocumentSurrogate.values();
}
public boolean containsSurrogate(URI uri) {
return uri2TextDocumentSurrogate.containsKey(uri);
}
public void remove(URI uri) {
uri2TextDocumentSurrogate.remove(uri);
}
public boolean isSourceNewestInSurrogate(Source source) {
TextDocumentSurrogate surrogate = get(source.getURI());
if (surrogate != null) {
return source.equals(surrogate.getSource());
}
return false;
}
}
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