Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/source/NullSourceSection.java @ 16068:74e142bd2b12
Truffle/Source: major API revision
- All source-related classes now in com.oracle.truffle.api.source
- SourceFactory replaced with factory methods on Source
- Revision, renaming, and documentation to methods on Source and SourceSection
- NullSourceSection is now a utility class
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
---|---|
date | Fri, 06 Jun 2014 22:13:00 -0700 |
parents | |
children | 33bdafbf285d |
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/* * Copyright (c) 2014, 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. * * 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 com.oracle.truffle.api.source; /** * A special subtype of {@link SourceSection} that represents unavailable source, e.g. for language * <em>builtins</em>. */ public class NullSourceSection implements SourceSection { private final String kind; private final String name; private final String asCode; /** * Placeholder for source that is unavailable, e.g. for language <em>builtins</em>. * * @param kind the general category, e.g. "JS builtin" * @param name specific name for this section */ public NullSourceSection(String kind, String name) { this(kind, name, kind); } /** * Placeholder for source that is unavailable, e.g. for language <em>builtins</em>. * * @param kind the general category, e.g. "JS builtin" * @param name specific name for this section * @param asCode string to return when {@link #getCode()} is called */ public NullSourceSection(String kind, String name, String asCode) { this.kind = kind; this.name = name; this.asCode = asCode; } public final Source getSource() { return null; } public final int getStartLine() { throw new UnsupportedOperationException(this.toString()); } public final LineLocation getLineLocation() { throw new UnsupportedOperationException(this.toString()); } public final int getStartColumn() { throw new UnsupportedOperationException(this.toString()); } public final int getCharIndex() { throw new UnsupportedOperationException(this.toString()); } public final int getCharLength() { throw new UnsupportedOperationException(this.toString()); } public final int getCharEndIndex() { throw new UnsupportedOperationException(this.toString()); } public final String getIdentifier() { return name; } public final String getCode() { return asCode; } public final String getShortDescription() { return kind + ": " + name; } @Override public String toString() { return getShortDescription(); } }