Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/SourceSection.java @ 15093:5634b199c4da
Truffle: API-change: renamed CallNode to DirectCallNode and added IndirectCallNode.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 14 Apr 2014 20:32:25 +0200 |
parents | 35f637594acc |
children | c54f5fa05fd5 |
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/* * Copyright (c) 2013, 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; /** * Description of contiguous text section within the source code of a guest language program. */ public interface SourceSection { /** * Returns the object representing the source program that contains this section. * * @return the source object */ Source getSource(); /** * Returns 1-based line number of the first character in this source section (inclusive). * * @return the starting line number */ int getStartLine(); /** * Returns the 1-based column number of the first character in this source section (inclusive). * * @return the starting column number */ int getStartColumn(); /** * Returns the 0-based index of the first character in this source section. * <p> * The complete text of the source that contains this section can be retrieved via * {@link Source#getCode()}. * * @return the starting character index */ int getCharIndex(); /** * Returns the length of this source section in characters. * <p> * The complete text of the source that contains this section can be retrieved via * {@link Source#getCode()}. * * @return the number of characters in the section */ int getCharLength(); /** * Returns the index of the text position immediately following the last character in the * section. * * @return the end position of the section */ int getCharEndIndex(); /** * Returns the identifier of this source section that is used for printing the section. * * @return the identifier of the section */ String getIdentifier(); /** * Returns text of the code represented by this source section. * * @return the code as a String object */ String getCode(); /** * Singleton instance with no content. */ SourceSection NULL = new NullSourceSection() { public Source getSource() { return null; } public int getStartLine() { return 0; } public int getStartColumn() { return 0; } public int getCharIndex() { return 0; } @Override public int getCharLength() { return 0; } public int getCharEndIndex() { return 0; } public String getIdentifier() { return null; } public String getCode() { return null; } }; }