langtools/test/tools/javac/resolve/Candidate.java
author mcimadamore
Mon, 24 Oct 2011 13:00:30 +0100
changeset 10816 ce8a7e9d8882
child 34752 9c262a013456
permissions -rw-r--r--
7098660: Write better overload resolution/inference tests Summary: Add overload/inference debug diagnostics - added test harness using annotations to check outcome of overload resolution/inference Reviewed-by: jjg
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/*
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 * Copyright (c) 2011, 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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import java.lang.annotation.ElementType;
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import java.lang.annotation.Target;
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@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
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@interface Candidate {
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    /**
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     * the candidate position (line/col of the method call for which this candidate
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     * is a potential overload candidate)
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     */
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    Pos pos() default @Pos(userDefined=false);
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    /**
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     * resolution phases for which this candidate is applicable
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     */
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    Phase[] applicable() default { };
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    /**
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     * is this candidate the most specific (in the resolution phases for which it
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     * is also applicable)
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     */
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    boolean mostSpecific() default false;
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    /**
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     * this candidate inferred signature (in the resolution phases for which it
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     * is also applicable, in case it corresponds to a generic method)
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     */
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    String sig() default "";
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}
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enum Phase {
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    BASIC("BASIC"),
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    BOX("BOX"),
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    VARARGS("VARARITY");
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    final String javacString;
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    private Phase(String javacString) {
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        this.javacString = javacString;
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    }
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    static Phase fromString(String s) {
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        for (Phase phase : Phase.values()) {
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            if (phase.javacString.equals(s)) {
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                return phase;
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            }
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        }
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        throw new AssertionError("Invalid resolution phase string " + s);
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    }
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}