Mercurial > hg > graal-jvmci-8

comparison graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/debug/RubyBreakBeforeLineProbe.java @ 13569:1894412de0ed

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Ruby: major upgrade in debugging support, mainly for navigation: step, next (passing over calls), return (from enclosing function), etc. Also a few bug fixes.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Wed, 08 Jan 2014 14:03:36 -0800
parents graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/debug/RubyBreakBeforeProbe.java@0fbee3eb71f0
children
comparison
equal deleted inserted replaced
13568:f29a358cf3da 13569:1894412de0ed
1 /*
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. This
3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
4 * redistribute it and/or modify it under the terms of the:
5 *
6 * Eclipse Public License version 1.0
7 * GNU General Public License version 2
8 * GNU Lesser General Public License version 2.1
9 */
10 package com.oracle.truffle.ruby.runtime.debug;
11
12 import com.oracle.truffle.api.frame.*;
13 import com.oracle.truffle.api.nodes.*;
14 import com.oracle.truffle.api.source.*;
15 import com.oracle.truffle.ruby.runtime.*;
16
17 /**
18 * A probe for halting execution at a line before a child execution method.
19 */
20 public final class RubyBreakBeforeLineProbe extends RubyLineProbe {
21
22 /**
23 * Creates a probe that will cause a halt just before child execution starts; a {@code oneShot}
24 * probe will remove itself the first time it halts.
25 */
26 public RubyBreakBeforeLineProbe(RubyContext context, SourceLineLocation location, boolean oneShot) {
27 super(context, location, oneShot);
28 }
29
30 @Override
31 public void enter(Node astNode, VirtualFrame frame) {
32
33 if (!isStepping()) {
34 // Ordinary line breakpoints ignored during stepping so no double halts.
35 if (oneShot) {
36 // One-shot breakpoints retire after one activation.
37 context.getDebugManager().retireLineProbe(location, this);
38 }
39 context.getDebugManager().haltedAt(astNode, frame.materialize());
40 }
41 }
42 }