src/jdk.jshell/share/classes/jdk/jshell/MethodSnippet.java
author shinyafox
Sat, 24 Mar 2018 14:43:04 +0900
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parent 47216 71c04702a3d5
child 54952 a978d86ac389
permissions -rw-r--r--
8199762: JShell API: Failed to detect override when snippet to be overridden has been changed before Reviewed-by: rfield
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/*
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 * Copyright (c) 2015, 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.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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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 jdk.jshell;
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import java.util.Collection;
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import jdk.jshell.Key.MethodKey;
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/**
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 * Snippet for a method definition.
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 * The Kind is {@link jdk.jshell.Snippet.Kind#METHOD}.
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 * <p>
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 * <code>MethodSnippet</code> is immutable: an access to
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 * any of its methods will always return the same result.
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 * and thus is thread-safe.
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 *
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 * @since 9
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 * @jls 8.4: MethodDeclaration.
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 */
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public class MethodSnippet extends DeclarationSnippet {
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    final String signature;
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    private String qualifiedParameterTypes;
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    MethodSnippet(MethodKey key, String userSource, Wrap guts,
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            String name, String signature, Wrap corralled,
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            Collection<String> declareReferences, Collection<String> bodyReferences,
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            DiagList syntheticDiags) {
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        super(key, userSource, guts, name, SubKind.METHOD_SUBKIND, corralled,
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                declareReferences, bodyReferences, syntheticDiags);
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        this.signature = signature;
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    }
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    /**
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     * A String representation of the parameter types of the method.
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     * @return a comma separated list of user entered parameter types for the
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     * method.
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     */
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    public String parameterTypes() {
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        return key().parameterTypes();
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    }
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    /**
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     * The full type signature of the method, including return type.
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     * @return A String representation of the parameter and return types
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     */
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    public String signature() {
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        return signature;
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    }
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    @Override
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    public String toString() {
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        StringBuilder sb = new StringBuilder();
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        sb.append("MethodSnippet:");
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        sb.append(name());
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        sb.append('/');
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        sb.append(signature());
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        sb.append('-');
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        sb.append(source());
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        return sb.toString();
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    }
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    /**** internal access ****/
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    @Override
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    MethodKey key() {
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        return (MethodKey) super.key();
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    }
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    String qualifiedParameterTypes() {
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        return qualifiedParameterTypes;
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    }
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    void setQualifiedParameterTypes(String sig) {
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        qualifiedParameterTypes = sig;
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    }
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}