Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/ASTPrinter.java @ 13563:fb846424299f
Truffle/Ruby: extend Instrumentation framework with language-agnostic interfaces for access to AST printing utilities and a Ruby implementation
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 07 Jan 2014 18:09:42 -0800 |
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13562:58ca96949f2e | 13563:fb846424299f |
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1 /* | |
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. Oracle designates this | |
8 * particular file as subject to the "Classpath" exception as provided | |
9 * by Oracle in the LICENSE file that accompanied this code. | |
10 * | |
11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 * version 2 for more details (a copy is included in the LICENSE file that | |
15 * accompanied this code). | |
16 * | |
17 * You should have received a copy of the GNU General Public License version | |
18 * 2 along with this work; if not, write to the Free Software Foundation, | |
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 * | |
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
22 * or visit www.oracle.com if you need additional information or have any | |
23 * questions. | |
24 */ | |
25 package com.oracle.truffle.api; | |
26 | |
27 import java.io.*; | |
28 | |
29 import com.oracle.truffle.api.nodes.*; | |
30 | |
31 /** | |
32 * Language-agnostic access to AST-based debugging support. | |
33 * <p> | |
34 * <strong>WARNING:</strong> this interface is under development and will change substantially. | |
35 */ | |
36 public interface ASTPrinter { | |
37 | |
38 /** | |
39 * Print a textual AST display, one line per node, with nesting. | |
40 * | |
41 * @param p | |
42 * @param node the root node of the display. | |
43 * @param maxDepth the maximum number of levels to print below the root | |
44 * @param markNode a node to mark with a textual arrow prefix, if present. | |
45 */ | |
46 void printTree(PrintWriter p, Node node, int maxDepth, Node markNode); | |
47 | |
48 } |